Which airline has the best punctuality record on Seattle to Las Vegas flights?

According to our data, Aeromexico have had the least number of delays on this route over the last 12 months; with about 7% of their flights experiencing any sort of delay.

What is the cheapest airline that flies from Seattle/Tacoma Intl to Las Vegas Harry Reid Intl?

Frontier, Southwest, and Alaska Airlines are the most popular carriers operating from Seattle/Tacoma Intl to Las Vegas Harry Reid Intl

How many flights depart from Seattle to Las Vegas on average per week?

As of October 2025, there are 287 flights per week flying from Seattle to Las Vegas. The most common day of the week flights depart is Thu, with 20% of flights taking off on this day.

What is the most punctual flight time for Seattle to Las Vegas flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights at night have, in the past, seen delays more frequently in comparison.

How many flights depart from Seattle to Las Vegas on average per day?

The number of flights available between Seattle and Las Vegas is 41 per day as of October 2025. The most frequent departure time is 12:00PM, with 48% of daily flights leaving in the afternoon.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

How often are flights from Seattle to Las Vegas delayed?

Historically, on average around 16% of flights between Seattle and Las Vegas have experienced a delay on any given week. The average delay length over the past 12 months has been 124 minutes.

What airlines fly to Las Vegas?

Alaska Airlines, Delta and Frontier are the top three most popular airlines that fly to Las Vegas from Seattle according to our data. Alaska Airlines is the first choice among our users, with 32% of people opting to fly with this airline when traveling to Las Vegas. Keep in mind that there are 7 different airlines that fly to Las Vegas on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Las Vegas Harry Reid Intl Airport?

Prices for flights from Seattle/Tacoma Intl Airport to Las Vegas Harry Reid Intl Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Las Vegas Harry Reid Intl Airport?

The number of operators available for flights from Seattle/Tacoma Intl Airport to Las Vegas Harry Reid Intl Airport is 7 as of October 2025.

How old do you have to be to fly from Seattle/Tacoma Intl Airport to Las Vegas Harry Reid Intl Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seattle/Tacoma Intl Airport to Las Vegas Harry Reid Intl Airport.

What documentation or ID do you need to fly to Las Vegas Harry Reid Intl Airport?

The travel and health documents you'll need for your trip to Las Vegas Harry Reid Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Las Vegas Harry Reid Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$50 Cheap Flights from Seattle to Las Vegas in 2025/26

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11:35 am - 2:21 pmSEA-LAS

2h 46mnonstop

7:45 am - 10:44 amLAS-SEA

2h 59mnonstop

$103Multiple Airlines

Find Deal

Sun, Nov 9 - Wed, Nov 12

6:23 pm - 8:58 pmSEA-LAS

2h 35mnonstop

8:37 am - 11:31 amLAS-SEA

2h 54mnonstop

$107Frontier

Find Deal

Sun, Dec 21 - Sat, Dec 27

8:37 am - 11:18 amSEA-LAS

2h 41mnonstop

10:24 am - 1:22 pmLAS-SEA

2h 58mnonstop

$109Multiple Airlines

Find Deal

Wed, Nov 19 - Wed, Nov 26

11:43 am - 2:29 pmSEA-LAS

2h 46mnonstop

1:59 pm - 6:57 pmLAS-SEA

4h 58m1 stop

$110Multiple Airlines

Find Deal

Mon, Nov 3 - Thu, Nov 20

6:15 am - 12:10 pmSEA-LAS

5h 55m2 stops

11:25 am - 2:15 pmLAS-SEA

2h 50mnonstop

$112Southwest

Find Deal

Tue, Nov 11 - Sat, Nov 15

1:20 pm - 8:45 pmSEA-LAS

7h 25m1 stop

4:10 pm - 10:30 pmLAS-SEA

6h 20m1 stop

$116Southwest

Find Deal

Fri, Jan 9 - Mon, Jan 12

3:45 pm - 6:17 pmSEA-LAS

2h 32mnonstop

11:05 am - 2:04 pmLAS-SEA

2h 59mnonstop

$117Delta

Find Deal

Wed, Nov 19 - Tue, Dec 2

8:24 am - 4:09 pmSEA-LAS

7h 45m1 stop

8:05 pm - 10:58 pmLAS-SEA

2h 53mnonstop

$127Alaska Airlines

Find Deal

Wed, Nov 19 - Wed, Nov 26

12:03 pm - 2:41 pmSEA-LAS

2h 38mnonstop

6:00 pm - 10:33 pmLAS-SEA

4h 33m1 stop

$129Alaska Airlines

Find Deal

Tue, Jan 13 - Fri, Jan 16

3:45 pm - 6:17 pmSEA-LAS

2h 32mnonstop

2:10 pm - 4:54 pmLAS-SEA

2h 44mnonstop

$147Delta

Find Deal

Thu, Nov 20 - Tue, Dec 2

Southwest flights from Seattle to Las Vegas

Our best Southwest deals on Seattle to Las Vegas flight tickets

Southwest

Nov 11

SEA6:15 amSeattle/Tacoma Intl

5h 55m

2 stops

LAS12:10 pmLas Vegas Harry Reid Intl

Nov 15

LAS11:25 amLas Vegas Harry Reid Intl

2h 50m

SEA2:15 pmSeattle/Tacoma Intl

$112

Find similar

Southwest

Jan 9

SEA1:20 pmSeattle/Tacoma Intl

7h 25m

1 stop

LAS8:45 pmLas Vegas Harry Reid Intl

Jan 12

LAS4:10 pmLas Vegas Harry Reid Intl

6h 20m

1 stop

SEA10:30 pmSeattle/Tacoma Intl

$116

Find similar

Southwest

Nov 12

SEA6:15 amSeattle/Tacoma Intl

5h 55m

2 stops

LAS12:10 pmLas Vegas Harry Reid Intl

Nov 19

LAS7:40 pmLas Vegas Harry Reid Intl

2h 50m

SEA10:30 pmSeattle/Tacoma Intl

$132

Find similar

Alaska Airlines flights from Seattle to Las Vegas

Our best Alaska Airlines deals on Seattle to Las Vegas flight tickets

Alaska Airlines

Nov 19

SEA8:24 amSeattle/Tacoma Intl

7h 45m

1 stop

LAS4:09 pmLas Vegas Harry Reid Intl

Nov 26

LAS8:05 pmLas Vegas Harry Reid Intl

2h 53m

SEA10:58 pmSeattle/Tacoma Intl

$127

Find similar

Alaska Airlines

Jan 13

SEA12:03 pmSeattle/Tacoma Intl

2h 38m

LAS2:41 pmLas Vegas Harry Reid Intl

Jan 16

LAS6:00 pmLas Vegas Harry Reid Intl

4h 33m

1 stop

SEA10:33 pmSeattle/Tacoma Intl

$129

Find similar

Alaska Airlines

Feb 6

SEA4:30 pmSeattle/Tacoma Intl

6h 58m

1 stop

LAS11:28 pmLas Vegas Harry Reid Intl

Feb 9

LAS5:42 pmLas Vegas Harry Reid Intl

2h 53m

SEA8:35 pmSeattle/Tacoma Intl

$137

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Sun 11/9

11:35 am-2:21 pm

Nonstop2h 46m

Las Vegas Harry Reid Intl

Wed 11/12

7:45 am-10:44 am

Nonstop2h 59m

$103

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Sun 12/21

6:23 pm-8:58 pm

Nonstop2h 35m

Las Vegas Harry Reid Intl

Sat 12/27

8:37 am-11:31 am

Nonstop2h 54m

$107

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Wed 11/19

8:37 am-11:18 am

Nonstop2h 41m

Las Vegas Harry Reid Intl

Wed 11/26

10:24 am-1:22 pm

Nonstop2h 58m

$109

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Mon 11/3

11:43 am-2:29 pm

Nonstop2h 46m

Las Vegas Harry Reid Intl

Thu 11/20

1:59 pm-6:57 pm

1 stop4h 58m

$110

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Tue 11/11

6:15 am-12:10 pm

2 stops5h 55m

Las Vegas Harry Reid Intl

Sat 11/15

11:25 am-2:15 pm

Nonstop2h 50m

$112

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Fri 1/9

1:20 pm-8:45 pm

1 stop7h 25m

Las Vegas Harry Reid Intl

Mon 1/12

4:10 pm-10:30 pm

1 stop6h 20m

$116

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Wed 11/19

3:45 pm-6:17 pm

Nonstop2h 32m

Las Vegas Harry Reid Intl

Tue 12/2

11:05 am-2:04 pm

Nonstop2h 59m

$117

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Wed 11/19

8:24 am-4:09 pm

1 stop7h 45m

Las Vegas Harry Reid Intl

Wed 11/26

8:05 pm-10:58 pm

Nonstop2h 53m

$127

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Tue 1/13

12:03 pm-2:41 pm

Nonstop2h 38m

Las Vegas Harry Reid Intl

Fri 1/16

6:00 pm-10:33 pm

1 stop4h 33m

$129

SeattleLas Vegas

SEA - LAS

SEALAS

Seattle/Tacoma Intl

Thu 11/20

3:45 pm-6:17 pm

Nonstop2h 32m

Las Vegas Harry Reid Intl

Tue 12/2

2:10 pm-4:54 pm

Nonstop2h 44m

$147

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How to get the cheapest flight ticket from Seattle to Las Vegas

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Delays

Other information

What is the cheapest month to fly to Las Vegas?

The month of February is, on average, the cheapest month to fly to Las Vegas from Seattle, with most prices found around $180. The month of March is another great option to travel to Las Vegas, with average flight prices from Seattle averaging around $192.

What is the cheapest day to depart on your flight to Las Vegas?

Our data shows that Tuesday is the least expensive day to fly to Las Vegas. Tickets to fly out on this day can be as low as $183. Flights from Seattle to Las Vegas on a Friday will generally be more expensive and average around $257. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Las Vegas?

The cheapest time of day to fly to Las Vegas is at noon when flights can be purchased for as low as $219. Flights to Las Vegas are more costly in the evening, with an average ticket price of $237. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Seattle/Tacoma Intl to Las Vegas Harry Reid Intl flight route?

Fly from Seattle/Tacoma Intl to Las Vegas Harry Reid Intl for the best Seattle/Tacoma Intl - Las Vegas Harry Reid Intl flight prices

How far in advance should I book a flight to Las Vegas?

You are more likely to see cheaper flights to Las Vegas from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Las Vegas for around $206 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Las Vegas from Seattle for as low as $170 on momondo.

What cabin class options are available on Seattle/Tacoma Intl to Las Vegas Harry Reid Intl flights?

There are 4 cabin classes available to choose from on Seattle/Tacoma Intl to Las Vegas Harry Reid Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Seattle to Las Vegas flight prices changed over time?

As of October 2025, prices for Seattle to Las Vegas flights are approximately 100% more expensive when compared to flights at the same time last year.

When to book flights from Seattle to Las Vegas

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Las Vegas according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Seattle to Las Vegas (SEA to LAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Las Vegas

Best Price Found	$80
Fastest flight time	2h 26m
Direct flights	Every day
Airports in Las Vegas	1 airport

The best one-way flight to Las Vegas from Seattle in the past 72 hours is $80. The best round-trip flight deal from Seattle to Las Vegas found on momondo in the last 72 hours is $176.

The fastest flight from Seattle to Las Vegas takes 2h 26m

Direct flights go from Seattle to Las Vegas every day.

There is 1 airport near Las Vegas: Las Vegas Harry Reid Intl (LAS)

Search flight deals

How far is Seattle/Tacoma Intl to Las Vegas Harry Reid Intl by plane?
A flight from Seattle/Tacoma Intl to Las Vegas Harry Reid Intl will travel around 871.3 mi. Flights usually cover this in 2h 32m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Las Vegas Harry Reid Intl Airport?
Prices for flights from Seattle/Tacoma Intl Airport to Las Vegas Harry Reid Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Las Vegas Harry Reid Intl Airport?
The number of operators available for flights from Seattle/Tacoma Intl Airport to Las Vegas Harry Reid Intl Airport is 7 as of October 2025.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Las Vegas Harry Reid Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seattle/Tacoma Intl Airport to Las Vegas Harry Reid Intl Airport.
What documentation or ID do you need to fly to Las Vegas Harry Reid Intl Airport?
The travel and health documents you'll need for your trip to Las Vegas Harry Reid Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Las Vegas Harry Reid Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Seattle to Las Vegas?
momondo data reveals that the most frequently booked plane model on the route from Seattle to Las Vegas is Boeing 737-800 Passenger/BBJ2 (winglets), representing 21.60% of all bookings. The subsequent popular models are Boeing 737-900 at 14.02%, Boeing 737-900 Passenger/BBJ3 (winglets) at 13.88%, and Airbus A321neo at 9.41%.
What is the most popular airline from Seattle to Las Vegas?
Based on momondo bookings for flights between Seattle and Las Vegas, the leading airline is Alaska Airlines, making up 26% of the total bookings. Other popular airlines include Delta with 22%, Frontier with 21%, and Spirit Airlines with 20%.

Best airlines flying from Seattle to Las Vegas

Compare and see reviews for airlines that fly from Seattle to Las Vegas with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $51	Free Cancellation	Rating 5.8 3,137 reviews	Search Frontier flights
Spirit Airlines	PriceFrom $55	Free Cancellation	Rating 6.3 8,096 reviews	Search Spirit Airlines flights
Hawaiian Airlines	PriceFrom $78	Free Cancellation	Rating 7.8 2,780 reviews	Search Hawaiian Airlines flights
Delta	PriceFrom $99	Free Cancellation	Rating 7.9 7,979 reviews	Search Delta flights
Southwest	PriceFrom $136	Free Cancellation	Rating 8.0 4,239 reviews	Search Southwest flights
Alaska Airlines	PriceFrom $141	Free Cancellation	Rating 8.0 11,095 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $196	Free Cancellation	Rating 7.4 8,979 reviews	Search United Airlines flights

Southwest Flights From Seattle to Las Vegas
Southwest operates around 13 flights from Seattle to Las Vegas every week. The average price of these flights found in the last 72 hours has been $271, but momondo users have found Southwest deals from Seattle to Las Vegas from as low as $136 round-trip. Southwest has been scored 8.0/10 in 4,239 reviews.
Alaska Airlines Flights From Seattle to Las Vegas
Alaska Airlines is also a popular choice for this route. Alaska Airlines flight deals for Seattle to Las Vegas start from as low as $141 round-trip, depending on your selected dates, with average Alaska Airlines deals seen on momondo around $283. Alaska Airlines operates 39 flights to Las Vegas from Seattle in an average week. Users have rated it 8.0/10 across 11,095 reviews.

Laughlin

Mount Charleston

Henderson

Mesquite

Paradise

North Las Vegas

Kingman

Pahrump

Primm

Furnace Creek

Boulder City

Sunrise Manor

Winchester

Needles

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Las Vegas?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Seattle to Las Vegas. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Seattle to Las Vegas with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Seattle to Las Vegas flights to just show those with flexible booking policies.

How can momondo help me find flights from Seattle to Las Vegas?

momondo provides multiple filters to help you find the best flight to Las Vegas from Seattle. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Seattle to Las Vegas right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Las Vegas, momondo offers a useful price alert feature which will track prices for flights to Las Vegas from Seattle and alert you when they change.

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Cheap flights from Seattle to Las Vegas from $54

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Las Vegas departing on 12/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Use the filters below to find and compare flights from Seattle to Las Vegas that are best for you.

See travel insights to Las Vegas from

How to get the cheapest flight ticket from Seattle to Las Vegas

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Las Vegas?

The month of February is, on average, the cheapest month to fly to Las Vegas from Seattle, with most prices found around $180. The month of March is another great option to travel to Las Vegas, with average flight prices from Seattle averaging around $192.

What is the cheapest day to depart on your flight to Las Vegas?

What is the cheapest time of day to depart on your flight to Las Vegas?

What is the cheapest Seattle/Tacoma Intl to Las Vegas Harry Reid Intl flight route?

Fly from Seattle/Tacoma Intl to Las Vegas Harry Reid Intl for the best Seattle/Tacoma Intl - Las Vegas Harry Reid Intl flight prices

How far in advance should I book a flight to Las Vegas?

What cabin class options are available on Seattle/Tacoma Intl to Las Vegas Harry Reid Intl flights?

There are 4 cabin classes available to choose from on Seattle/Tacoma Intl to Las Vegas Harry Reid Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Seattle to Las Vegas flight prices changed over time?

As of October 2025, prices for Seattle to Las Vegas flights are approximately 100% more expensive when compared to flights at the same time last year.

What is the cheapest airline that flies from Seattle/Tacoma Intl to Las Vegas Harry Reid Intl?

Frontier, Southwest, and Alaska Airlines are the most popular carriers operating from Seattle/Tacoma Intl to Las Vegas Harry Reid Intl

What airlines fly to Las Vegas?

How often are flights from Seattle to Las Vegas delayed?

Historically, on average around 16% of flights between Seattle and Las Vegas have experienced a delay on any given week. The average delay length over the past 12 months has been 124 minutes.

What is the most punctual flight time for Seattle to Las Vegas flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights at night have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Seattle to Las Vegas flights?

According to our data, Aeromexico have had the least number of delays on this route over the last 12 months; with about 7% of their flights experiencing any sort of delay.

How many flights depart from Seattle to Las Vegas on average per day?

The number of flights available between Seattle and Las Vegas is 41 per day as of October 2025. The most frequent departure time is 12:00PM, with 48% of daily flights leaving in the afternoon.

How many flights depart from Seattle to Las Vegas on average per week?

As of October 2025, there are 287 flights per week flying from Seattle to Las Vegas. The most common day of the week flights depart is Thu, with 20% of flights taking off on this day.

When to book flights from Seattle to Las Vegas

Cheap Seattle to Las Vegas (SEA to LAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Las Vegas

Best Price Found

Fastest flight time

Direct flights

Airports in Las Vegas

How far is Seattle/Tacoma Intl to Las Vegas Harry Reid Intl by plane?

When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Las Vegas Harry Reid Intl Airport?

How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Las Vegas Harry Reid Intl Airport?

How old do you have to be to fly from Seattle/Tacoma Intl Airport to Las Vegas Harry Reid Intl Airport?

What documentation or ID do you need to fly to Las Vegas Harry Reid Intl Airport?

What is the most popular plane model from Seattle to Las Vegas?

What is the most popular airline from Seattle to Las Vegas?

Best airlines flying from Seattle to Las Vegas

Compare and see reviews for airlines that fly from Seattle to Las Vegas with momondo

Southwest Flights From Seattle to Las Vegas

Alaska Airlines Flights From Seattle to Las Vegas

Traveling to a place near Las Vegas?

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Las Vegas?

Can I find flights from Seattle to Las Vegas with flexible booking policies on momondo?

How can momondo help me find flights from Seattle to Las Vegas?

I’m not ready to book a flight from Seattle to Las Vegas right now. Can momondo alert me if prices change?

An easier way to manage your Las Vegas trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Nevada