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Cheap flights from Seattle to Denver from $28

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 Denver departing on 2/26. 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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Find the cheapest flights from Seattle to Denver

Cheap round-trip flights

These are some of the best round-trip flight deals from Seattle to Denver that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Seattle to Denver.

Cheap last minute flights

Planning a quick getaway from Seattle to Denver? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Denver, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Seattle to Denver

Find recent round-trip train or bus tickets from Seattle to Denver.

All round-trip flight deals to Denver

The cheapest plane tickets to Denver found on KAYAK recently.
3:18 pm - 7:05 pmSEA-DEN
2h 47mnonstop
10:30 am - 12:36 pmDEN-SEA
3h 06mnonstop
$77Frontier
Find Deal
Sun, Feb 9 - Wed, Feb 12
1:36 pm - 5:25 pmSEA-DEN
2h 49mnonstop
10:30 am - 12:36 pmDEN-SEA
3h 06mnonstop
$82Frontier
Find Deal
Wed, Feb 26 - Sun, Mar 2
7:59 pm - 11:51 pmSEA-DEN
2h 52mnonstop
12:50 pm - 3:04 pmDEN-SEA
3h 14mnonstop
$117Delta
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Sat, Jan 4 - Sat, Jan 11
5:00 am - 8:47 amSEA-DEN
2h 47mnonstop
7:45 am - 3:21 pmDEN-SEA
8h 36m1 stop
$122United Airlines
Find Deal
Tue, Dec 10 - Thu, Dec 12
7:55 pm - 11:42 pmSEA-DEN
2h 47mnonstop
5:40 am - 9:45 amDEN-SEA
5h 05m1 stop
$127Delta
Find Deal
Wed, Jan 15 - Sun, Jan 19
6:10 am - 9:52 amSEA-DEN
2h 42mnonstop
5:10 pm - 7:19 pmDEN-SEA
3h 09mnonstop
$147Alaska Airlines
Find Deal
Tue, Dec 17 - Tue, Dec 24
7:45 pm - 11:29 pmSEA-DEN
2h 44mnonstop
4:45 pm - 6:52 pmDEN-SEA
3h 07mnonstop
$167Alaska Airlines
Find Deal
Tue, Jan 14 - Wed, Jan 22
5:50 am - 2:10 pmSEA-DEN
7h 20m2 stops
8:55 pm - 10:55 pmDEN-SEA
3h 00mnonstop
$212Southwest
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Sat, Dec 7 - Wed, Dec 11
8:50 am - 12:36 pmSEA-DEN
2h 46mnonstop
9:40 am - 3:54 pmDEN-SEA
7h 14m1 stop
$242United Airlines
Find Deal
Sat, Mar 1 - Fri, Mar 7
1:25 pm - 8:55 pmSEA-DEN
6h 30m2 stops
10:25 pm - 12:25 amDEN-SEA
3h 00mnonstop
$247Southwest
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Fri, Feb 14 - Mon, Feb 17
1:36 pm - 5:25 pmSEA-DEN
2h 49mnonstop
$28Frontier
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Wed, Feb 26
1:36 pm - 5:25 pmSEA-DEN
2h 49mnonstop
$31Frontier
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Wed, Feb 12
3:25 pm - 7:09 pmSEA-DEN
2h 44mnonstop
$59United Airlines
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Tue, Dec 17
3:04 pm - 10:28 pmSEA-DEN
6h 24m1 stop
$64United Airlines
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Thu, Feb 20
5:30 am - 1:18 pmSEA-DEN
6h 48m1 stop
$68Delta
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Wed, Dec 11
7:35 am - 11:30 amSEA-DEN
2h 55mnonstop
$94Delta
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Mon, Dec 16
7:45 pm - 11:29 pmSEA-DEN
2h 44mnonstop
$104Alaska Airlines
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Fri, Dec 20
6:42 am - 1:57 pmSEA-DEN
6h 15m1 stop
$131Alaska Airlines
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Mon, Feb 17
9:05 am - 5:45 pmSEA-DEN
7h 40m1 stop
$138Southwest
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Fri, Feb 14
1:25 pm - 8:55 pmSEA-DEN
6h 30m2 stops
$143Southwest
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Fri, Feb 28
9:09 am - 12:54 pmSEA-DEN
2h 45mnonstop
6:04 am - 8:19 amDEN-SEA
3h 15mnonstop
$201Frontier
Find Deal
Sun, Nov 24 - Tue, Nov 26
12:10 pm - 4:01 pmSEA-DEN
2h 51mnonstop
6:04 am - 8:19 amDEN-SEA
3h 15mnonstop
$203Frontier
Find Deal
Fri, Nov 22 - Tue, Nov 26
3:31 pm - 7:19 pmSEA-DEN
2h 48mnonstop
7:59 pm - 10:20 pmDEN-SEA
3h 21mnonstop
$337Delta
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Thu, Nov 21 - Wed, Nov 27
7:15 am - 3:07 pmSEA-DEN
6h 52m1 stop
7:59 pm - 10:20 pmDEN-SEA
3h 21mnonstop
$347Delta
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Thu, Nov 21 - Wed, Nov 27
5:40 am - 2:55 pmSEA-DEN
8h 15m2 stops
10:50 pm - 12:50 amDEN-SEA
3h 00mnonstop
$357Southwest
Find Deal
Fri, Nov 22 - Wed, Nov 27
3:00 pm - 11:40 pmSEA-DEN
7h 40m2 stops
5:45 pm - 11:55 pmDEN-SEA
7h 10m1 stop
$361Southwest
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Sat, Nov 23 - Wed, Nov 27
3:18 pm - 6:56 pmSEA-DEN
2h 38mnonstop
1:49 pm - 3:54 pmDEN-SEA
3h 05mnonstop
$362Alaska Airlines
Find Deal
Thu, Nov 21 - Fri, Nov 29
6:35 am - 11:45 amSEA-DEN
4h 10m1 stop
9:40 pm - 11:44 pmDEN-SEA
3h 04mnonstop
$371Alaska Airlines
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Thu, Nov 21 - Fri, Nov 29
12:55 pm - 7:40 pmSEA-DEN
5h 45m1 stop
1:35 pm - 9:07 pmDEN-SEA
8h 32m2 stops
$481United Airlines
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Sat, Nov 23 - Mon, Nov 25
9:41 am - 4:40 pmSEA-DEN
5h 59m1 stop
6:00 am - 3:29 pmDEN-SEA
10h 29m2 stops
$716United Airlines
Find Deal
Sun, Nov 24 - Wed, Nov 27
3:18 pm - 7:05 pmSEA-DEN
2h 47mnonstop
10:30 am - 12:36 pmDEN-SEA
3h 06mnonstop
$77Frontier
Find Deal
Sun, Feb 9 - Wed, Feb 12
1:36 pm - 5:25 pmSEA-DEN
2h 49mnonstop
10:30 am - 12:36 pmDEN-SEA
3h 06mnonstop
$82Frontier
Find Deal
Wed, Feb 26 - Sun, Mar 2
9:36 pm - 1:21 amSEA-DEN
2h 45mnonstop
11:00 am - 1:10 pmDEN-SEA
3h 10mnonstop
$85Frontier
Find Deal
Tue, Dec 24 - Wed, Dec 25
1:36 pm - 5:25 pmSEA-DEN
2h 49mnonstop
10:40 am - 12:46 pmDEN-SEA
3h 06mnonstop
$88Frontier
Find Deal
Sat, Feb 22 - Sat, Mar 1
7:59 pm - 11:51 pmSEA-DEN
2h 52mnonstop
6:25 am - 8:39 amDEN-SEA
3h 14mnonstop
$117Delta
Find Deal
Sat, Jan 4 - Sat, Jan 11
7:55 pm - 11:42 pmSEA-DEN
2h 47mnonstop
6:25 am - 8:39 amDEN-SEA
3h 14mnonstop
$118Delta
Find Deal
Thu, Jan 9 - Mon, Jan 13
9:36 pm - 1:21 amSEA-DEN
2h 45mnonstop
6:00 am - 8:14 amDEN-SEA
3h 14mnonstop
Wed, Dec 18 - Tue, Dec 24
3:15 pm - 6:59 pmSEA-DEN
2h 44mnonstop
7:00 am - 9:19 amDEN-SEA
3h 19mnonstop
Thu, Jan 9 - Mon, Jan 13
6:10 am - 9:52 amSEA-DEN
2h 42mnonstop
5:10 pm - 7:19 pmDEN-SEA
3h 09mnonstop
$147Alaska Airlines
Find Deal
Tue, Dec 17 - Tue, Dec 24
7:45 pm - 11:29 pmSEA-DEN
2h 44mnonstop
7:00 am - 9:21 amDEN-SEA
3h 21mnonstop
$167Alaska Airlines
Find Deal
Tue, Jan 14 - Sat, Jan 18

Alaska Airlines flights from Seattle to Denver

Our best Alaska Airlines deals on Seattle to Denver flight tickets
Alaska Airlines
Dec 17
SEA6:10 amSeattle/Tacoma Intl
2h 42m
DEN9:52 amDenver Intl
Dec 24
DEN5:10 pmDenver Intl
3h 09m
SEA7:19 pmSeattle/Tacoma Intl
Alaska Airlines
Jan 14
SEA7:45 pmSeattle/Tacoma Intl
2h 44m
DEN11:29 pmDenver Intl
Jan 22
DEN4:45 pmDenver Intl
3h 07m
SEA6:52 pmSeattle/Tacoma Intl
Alaska Airlines
Jan 22
SEA6:59 pmSeattle/Tacoma Intl
2h 37m
DEN10:36 pmDenver Intl
Feb 4
DEN7:00 amDenver Intl
3h 19m
SEA9:19 amSeattle/Tacoma Intl

Frontier flights from Seattle to Denver

Our best Frontier deals on Seattle to Denver flight tickets
Frontier
Feb 9
SEA3:18 pmSeattle/Tacoma Intl
2h 47m
DEN7:05 pmDenver Intl
Feb 12
DEN10:30 amDenver Intl
3h 06m
SEA12:36 pmSeattle/Tacoma Intl
Frontier
Feb 26
SEA1:36 pmSeattle/Tacoma Intl
2h 49m
DEN5:25 pmDenver Intl
Mar 2
DEN10:30 amDenver Intl
3h 06m
SEA12:36 pmSeattle/Tacoma Intl
Frontier
Dec 24
SEA9:36 pmSeattle/Tacoma Intl
2h 45m
DEN1:21 amDenver Intl
Dec 25
DEN11:00 amDenver Intl
3h 10m
SEA1:10 pmSeattle/Tacoma Intl

See travel insights to Denver from

How to get the cheapest flight ticket from Seattle to Denver

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 from Seattle to Denver?

January. The cheapest time of year to fly to Denver from Seattle is January. Most expensive is December

What is the cheapest day to depart Seattle for Denver?

Wednesday. The cheapest day of the week is typically Wednesday. The most expensive is typically Sunday

When is the cheapest time to fly from Seattle to Denver?

In the evening. Seattle to Denver flights are approximately 33% more expensive at noon than in the evening

What is the cheapest Seattle to Denver flight route?

Seattle/Tacoma Intl - Denver Intl. Fly from Seattle/Tacoma Intl to Denver Intl for the best Seattle - Denver flight prices

How far in advance should you book Seattle to Denver flights?

56 days before. The cheapest time to buy a flight from Seattle to Denver is approximately 56 days to departure

What cabin class options are available on Seattle to Denver flights?

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

Can stopping save me money on Seattle to Denver flights?

No. A direct flight is the cheapest option for a flight between Seattle to Denver.

How have Seattle to Denver flight prices changed over time?

As of November 2024, prices for Seattle to Denver flights are approximately 28% more expensive when compared to flights at the same time last year.

When to book flights from Seattle to Denver

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Denver according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Denver (SEA to DEN) flight deals and tips

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

Best Price Found

$28

Fastest flight time

2h 37m

Direct flights

Every day

Airports in Denver

1 airport
The best one-way flight to Denver from Seattle in the past 72 hours is $28. The best round-trip flight deal from Seattle to Denver found on momondo in the last 72 hours is $77.
The fastest flight from Seattle to Denver takes 2h 37m
Direct flights go from Seattle to Denver every day.
There is 1 airport near Denver: Denver Intl (DEN)

  • How far is Seattle/Tacoma Intl to Denver Intl by plane?

    A flight from Seattle/Tacoma Intl to Denver Intl will travel around 1019.6 mi. Flights usually cover this in 2h 37m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Denver Intl Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Denver Intl Airport refresh daily.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Denver Intl Airport?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Denver Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Denver Intl Airport.

  • What documentation or ID do you need to fly to Denver Intl Airport?

    The necessary travel and health documents for your Denver Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Seattle to Denver?

  • What is the most popular airline from Seattle to Denver?


Best airlines flying from Seattle to Denver

Compare and see reviews for airlines that fly from Seattle to Denver with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $54Free CancellationRating
6.1
3,539 reviews
Search Frontier flights
DeltaPriceFrom $88Free CancellationRating
8.0
8,756 reviews
Search Delta flights
Alaska AirlinesPriceFrom $111Free CancellationRating
8.0
9,461 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $123Free CancellationRating
7.4
9,171 reviews
Search United Airlines flights
SouthwestPriceFrom $132Free CancellationRating
8.1
5,014 reviews
Search Southwest flights
  • Southwest Flights From Seattle to Denver

    Southwest operates around 18 flights from Seattle to Denver every week. The average price of these flights found in the last 72 hours has been $216, but momondo users have found Southwest deals from Seattle to Denver from as low as $132 round-trip. Southwest has been scored 8.1/10 in 5,014 reviews.

  • Delta Flights From Seattle to Denver

    Across 8,756 Delta reviews on momondo, the average score is 8.0/10. Delta flies from Seattle to Denver about 18 times each week, with ticket deals ranging from $88 to $231. Price data is based on momondo searches in the last 72 hours.


Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Seattle to Denver for you.

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

Flights from Seattle to Denver with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Seattle to Denver?

momondo provides multiple filters to help you find the best flight to Denver 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 Denver right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Seattle to Denver flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


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