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Cheap flights from Buffalo to Seattle from $125

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Buffalo to Seattle departing on 1/31. 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 Buffalo to Seattle

Cheap round-trip flights

These are some of the best round-trip flight deals from Buffalo to Seattle 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 Buffalo to Seattle.

Cheap last minute flights

Planning a quick getaway from Buffalo to Seattle? 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 Seattle, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Buffalo to Seattle

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

All round-trip flight deals to Seattle

The cheapest plane tickets to Seattle found on KAYAK recently.
5:40 pm - 10:53 pmBUF-SEA
8h 13m1 stop
11:17 pm - 11:04 amSEA-BUF
8h 47m1 stop
$346United Airlines
Find Deal
ter, jan 14 - ter, jan 21
7:00 am - 12:07 pmBUF-SEA
8h 07m1 stop
11:59 pm - 2:08 pmSEA-BUF
11h 09m2 stops
$351United Airlines
Find Deal
ter, jan 14 - ter, jan 21
5:49 pm - 10:25 pmBUF-SEA
7h 36m1 stop
6:00 am - 5:09 pmSEA-BUF
8h 09m1 stop
$386Delta
Find Deal
qua, jan 15 - ter, jan 21
10:59 am - 10:25 pmBUF-SEA
14h 26m2 stops
11:05 pm - 11:28 amSEA-BUF
9h 23m1 stop
$390Delta
Find Deal
ter, jan 14 - ter, jan 21
3:22 pm - 11:31 pmBUF-SEA
11h 09m2 stops
11:10 pm - 12:17 pmSEA-BUF
10h 07m1 stop
$411American Airlines
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seg, fev 10 - sex, fev 14
12:05 pm - 9:20 pmBUF-SEA
12h 15m2 stops
11:59 pm - 12:42 pmSEA-BUF
9h 43m1 stop
$422American Airlines
Find Deal
ter, fev 18 - sex, fev 21
2:05 pm - 9:29 pmBUF-SEA
10h 24m1 stop
10:39 pm - 1:08 pmSEA-BUF
11h 29m1 stop
$452JetBlue
Find Deal
ter, mai 20 - sex, mai 30
2:05 pm - 9:29 pmBUF-SEA
10h 24m1 stop
10:39 pm - 1:08 pmSEA-BUF
11h 29m1 stop
$459JetBlue
Find Deal
sáb, mai 10 - sáb, mai 17
4:56 pm - 9:14 amBUF-SEA
19h 18m2 stops
11:00 pm - 10:39 amSEA-BUF
8h 39m1 stop
$591Alaska Airlines
Find Deal
qui, abr 17 - ter, abr 22
5:15 am - 1:52 pmBUF-SEA
11h 37m2 stops
9:55 am - 9:01 pmSEA-BUF
8h 06m1 stop
$621Alaska Airlines
Find Deal
qui, mai 29 - dom, jun 1
8:09 am - 2:10 pmBUF-SEA
9h 01m1 stop
$125JetBlue
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sex, jan 31
8:24 am - 2:10 pmBUF-SEA
8h 46m1 stop
$162JetBlue
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qua, jan 15
5:15 am - 10:17 amBUF-SEA
8h 02m1 stop
$208American Airlines
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qui, abr 17
12:39 pm - 9:18 pmBUF-SEA
11h 39m2 stops
$213American Airlines
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qua, jan 15
4:58 pm - 9:41 pmBUF-SEA
7h 43m1 stop
$258Alaska Airlines
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sáb, mai 17
5:15 am - 1:52 pmBUF-SEA
11h 37m2 stops
$263Alaska Airlines
Find Deal
sáb, mai 17
7:45 pm - 11:20 amBUF-SEA
18h 35m3 stops
$269United Airlines
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qua, jan 15
6:00 am - 9:28 pmBUF-SEA
18h 28m3 stops
$297United Airlines
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qua, mai 7
5:55 pm - 10:25 pmBUF-SEA
7h 30m1 stop
$639Delta
Find Deal
ter, dez 31
6:00 am - 2:36 pmBUF-SEA
11h 36m1 stop
$789Delta
Find Deal
seg, dez 30
6:00 am - 2:36 pmBUF-SEA
11h 36m1 stop
11:55 am - 11:03 pmSEA-BUF
8h 08m1 stop
$729Delta
Find Deal
sex, dez 20 - ter, dez 31
1:55 pm - 11:17 pmBUF-SEA
12h 22m2 stops
10:56 am - 9:01 pmSEA-BUF
7h 05m1 stop
$784United Airlines
Find Deal
dom, dez 22 - ter, dez 31
1:55 pm - 11:17 pmBUF-SEA
12h 22m2 stops
5:00 am - 9:01 pmSEA-BUF
13h 01m2 stops
$789United Airlines
Find Deal
dom, dez 22 - qua, jan 1
11:55 am - 6:20 pmBUF-SEA
9h 25m1 stop
12:00 pm - 11:58 pmSEA-BUF
8h 58m1 stop
$809Delta
Find Deal
seg, dez 23 - seg, jan 6
6:23 am - 5:03 pmBUF-SEA
13h 40m2 stops
12:31 am - 11:41 amSEA-BUF
8h 10m1 stop
$814American Airlines
Find Deal
sex, dez 20 - sáb, jan 4
6:10 am - 10:45 amBUF-SEA
7h 35m1 stop
6:00 am - 5:11 pmSEA-BUF
8h 11m1 stop
$819Delta
Find Deal
sex, dez 20 - qui, jan 2
6:23 am - 1:23 pmBUF-SEA
10h 00m1 stop
12:31 am - 8:21 pmSEA-BUF
16h 50m1 stop
$829American Airlines
Find Deal
sex, dez 20 - seg, dez 30
3:55 pm - 11:55 pmBUF-SEA
11h 00m1 stop
6:30 am - 7:05 pmSEA-BUF
9h 35m1 stop
$831Southwest
Find Deal
dom, dez 22 - sex, jan 3
3:55 pm - 11:55 pmBUF-SEA
11h 00m1 stop
6:50 am - 10:50 pmSEA-BUF
13h 00m2 stops
$877Southwest
Find Deal
sex, dez 20 - ter, dez 24
5:08 pm - 10:00 pmBUF-SEA
7h 52m1 stop
7:59 pm - 10:04 pmSEA-BUF
23h 05m2 stops
$1,097Alaska Airlines
Find Deal
sex, dez 20 - qua, dez 25

Delta flights from Buffalo to Seattle

Our best Delta deals on Buffalo to Seattle flight tickets
Delta
Jan 15
BUF5:49 pmBuffalo
7h 36m
1 stop
SEA10:25 pmSeattle/Tacoma Intl
Jan 21
SEA6:00 amSeattle/Tacoma Intl
8h 09m
1 stop
BUF5:09 pmBuffalo
Delta
Jan 14
BUF10:59 amBuffalo
14h 26m
2 stops
SEA10:25 pmSeattle/Tacoma Intl
Jan 21
SEA11:05 pmSeattle/Tacoma Intl
9h 23m
1 stop
BUF11:28 amBuffalo
Delta
Jan 14
BUF11:47 amBuffalo
13h 38m
1 stop
SEA10:25 pmSeattle/Tacoma Intl
Jan 21
SEA11:05 pmSeattle/Tacoma Intl
9h 23m
1 stop
BUF11:28 amBuffalo

Alaska Airlines flights from Buffalo to Seattle

Our best Alaska Airlines deals on Buffalo to Seattle flight tickets
Alaska Airlines
Apr 17
BUF4:56 pmBuffalo
19h 18m
2 stops
SEA9:14 amSeattle/Tacoma Intl
Apr 22
SEA11:00 pmSeattle/Tacoma Intl
8h 39m
1 stop
BUF10:39 amBuffalo
Alaska Airlines
May 29
BUF5:15 amBuffalo
11h 37m
2 stops
SEA1:52 pmSeattle/Tacoma Intl
Jun 1
SEA9:55 amSeattle/Tacoma Intl
8h 06m
1 stop
BUF9:01 pmBuffalo
Alaska Airlines
May 29
BUF5:15 amBuffalo
11h 37m
2 stops
SEA1:52 pmSeattle/Tacoma Intl
Jun 1
SEA7:00 amSeattle/Tacoma Intl
11h 01m
2 stops
BUF9:01 pmBuffalo

See travel insights to Seattle from

How to get the cheapest flight ticket from Buffalo to Seattle

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 Seattle?

In general, January is the cheapest month to fly from Buffalo to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $321. If you don’t want to visit Seattle in January, then you should wait until February to fly from Buffalo, when ticket prices are also cheap, with an average price of $336.

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from Buffalo is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $471. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Buffalo because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $605.

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

Flying to Seattle from Buffalo in the evening is the least expensive time of day to depart. momondo users have found prices as low as $400 when looking at flights departing in the evening. Flights to Seattle are more costly in the morning, with an average ticket price of $537. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Buffalo to Seattle/Tacoma Intl flight route?

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

How far in advance should I book a flight to Seattle?

You are more likely to see cheaper flights to Seattle from Buffalo when booking 24 days ahead of your departure date. In general, you can expect to find flights to Seattle for around $474 when searching 24 days out. Keep in mind that you might be able to find cheaper flights to Seattle at any time. In fact, our users found flights for as low as $262 in the past 72 hours.

What cabin class options are available on Buffalo to Seattle/Tacoma Intl flights?

There are 1 cabin classes available to choose from on Buffalo to Seattle/Tacoma Intl 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 Buffalo to Seattle flights?

You could potentially save up to 41% on your flight if you consider stops on a Buffalo to Seattle flight.

How have Buffalo to Seattle flight prices changed over time?

As of December 2024, prices for Buffalo to Seattle flights are approximately 108% more expensive when compared to flights at the same time last year.

When to book flights from Buffalo to Seattle

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

Cheap Buffalo to Seattle (BUF to SEA) flight deals and tips

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

Best Price Found

$125

Fastest flight time

7h 30m

Direct flights

None

Airports in Seattle

1 airport
The best one-way flight to Seattle from Buffalo in the past 72 hours is $125. The best round-trip flight deal from Buffalo to Seattle found on momondo in the last 72 hours is $346.
The fastest flight from Buffalo to Seattle takes 7h 30m
There are no direct flights from Buffalo to Seattle. Popular non-direct route for this connection is Buffalo Airport - Seattle/Tacoma Intl Airport.
There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)

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

    A flight from Buffalo to Seattle/Tacoma Intl will travel around 2109.4 mi. In terms of flight time, this usually takes a little over 7h 36m.

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

    Prices for flights from Buffalo Airport to Seattle/Tacoma Intl Airport are updated daily.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Buffalo Airport to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The required travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

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


Best airlines flying from Buffalo to Seattle

Compare and see reviews for airlines that fly from Buffalo to Seattle with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $196Free CancellationRating
6.1
3,479 reviews
Search Frontier flights
JetBluePriceFrom $239Free CancellationRating
7.4
3,279 reviews
Search JetBlue flights
DeltaPriceFrom $256Free CancellationRating
8.0
8,604 reviews
Search Delta flights
American AirlinesPriceFrom $257Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $293Free CancellationRating
7.4
9,055 reviews
Search United Airlines flights
Sun Country AirPriceFrom $303Free CancellationRating
6.9
399 reviews
Search Sun Country Air flights
SouthwestPriceFrom $356Free CancellationRating
8.1
4,848 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $499Free CancellationRating
8.0
9,554 reviews
Search Alaska Airlines flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Buffalo to Seattle. momondo saves you time and could save you money on your trip.

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

momondo does allow users to show only those flights to Seattle from Buffalo which offer a flexible booking policy as well as other useful filters and features.

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

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

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

Yes momondo offers price alerts on flights to Seattle from Buffalo. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


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