Cheap Flights from Buffalo, NY to Seattle, WA from $87

Return flight: Seattle – Buffalo

On Cheapflightsplus.com you will find 122 connecting flights from Buffalo to Seattle. You can compare airfare deals from 3 airlines and multiple travel sites from $87, book and save on cheap plane tickets and last minute offers. Also check out BUF-SEA flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip Buffalo to Seattle Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $87 (one-way), $149 (round-trip).
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Full flight schedule will help you in detecting at what time planes fly from Buffalo to Seattle. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.
Departure Arrival Flight Details Flight Duration Price
05:29 — 11:06
05:21 — 06:50 AS6276 Alaska Airlines
Buffalo — Washington D.C.
1h 9m stop
08:00 — 11:05 AS1 Alaska Airlines
Washington D.C. — Seattle
8h 37m
including layover
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from$415
05:40 — 10:58
05:30 — 06:54 AS6125 Alaska Airlines
Buffalo — Washington D.C.
56m stop
08:00 — 10:58 AS1 Alaska Airlines
Washington D.C. — Seattle
8h 18m
including layover
Find flight
from$354
06:00 — 22:37
06:00 — 07:23 UA1598 United Airlines
Buffalo — Newark
11h 47m stop
19:10 — 22:37 UA2044 United Airlines
Newark — Seattle
19h 37m
including layover
Find flight
from$276
06:00 — 11:35
06:00 — 07:21 UA3428 United Airlines
Buffalo — Washington D.C.
1h 14m stop
08:35 — 11:35 UA1964 United Airlines
Washington D.C. — Seattle
8h 35m
including layover
Find flight
from$293
07:00 — 12:07
07:00 — 08:03 UA329 United Airlines
Buffalo — Chicago
1h 17m stop
09:20 — 12:07 UA2849 United Airlines
Chicago — Seattle
8h 7m
including layover
Find flight
from$278
07:14 — 12:43
07:14 — 08:15 AS6540 Alaska Airlines
Buffalo — Chicago
1h 45m stop
10:00 — 12:43 AS462 Alaska Airlines
Chicago — Seattle
8h 29m
including layover
Find flight
from$281
10:33 — 11:35
+1 day
10:33 — 11:54 UA4875 United Airlines
Buffalo — Washington D.C.
20h 41m stop
08:35 — 11:35 UA1964 United Airlines
Washington D.C. — Seattle
28h 2m
including layover
Find flight
from$341
10:33 — 20:20
10:33 — 11:54 UA4875 United Airlines
Buffalo — Washington D.C.
5h 21m stop
17:15 — 20:20 UA326 United Airlines
Washington D.C. — Seattle
12h 47m
including layover
Find flight
from$416
11:13 — 16:42
11:13 — 12:14 AS6789 Alaska Airlines
Buffalo — Chicago
1h 46m stop
14:00 — 16:42 AS335 Alaska Airlines
Chicago — Seattle
8h 29m
including layover
Find flight
from$281
11:50 — 22:00
11:50 — 13:22 UA4188 United Airlines
Buffalo — Newark
5h 18m stop
18:40 — 22:00 UA2044 United Airlines
Newark — Seattle
13h 10m
including layover
Find flight
from$293
12:29 — 20:35
12:29 — 13:53 AS6570 Alaska Airlines
Buffalo — Washington D.C.
3h 32m stop
17:25 — 20:35 AS3 Alaska Airlines
Washington D.C. — Seattle
11h 6m
including layover
Find flight
from$357
12:35 — 20:34
12:35 — 13:59 AS6276 Alaska Airlines
Buffalo — Washington D.C.
3h 40m stop
17:39 — 20:34 AS3 Alaska Airlines
Washington D.C. — Seattle
10h 59m
including layover
Find flight
from$354
13:23 — 22:37
13:23 — 15:00 UA3436 United Airlines
Buffalo — Newark
4h 10m stop
19:10 — 22:37 UA2044 United Airlines
Newark — Seattle
12h 14m
including layover
Find flight
from$351
13:54 — 22:46
13:54 — 14:55 UA4628 United Airlines
Buffalo — Chicago
5h stop
19:55 — 22:46 UA2850 United Airlines
Chicago — Seattle
11h 52m
including layover
Find flight
from$377
15:00 — 20:20
14:55 — 16:15 UA4291 United Airlines
Buffalo — Washington D.C.
55m stop
17:15 — 20:20 UA326 United Airlines
Washington D.C. — Seattle
8h 20m
including layover
Find flight
from$276
15:28 — 22:00
15:28 — 16:49 AS6541 Alaska Airlines
Buffalo — Philadelphia
2h 6m stop
18:55 — 22:00 AS443 Alaska Airlines
Philadelphia — Seattle
9h 32m
including layover
Find flight
from$276
16:04 — 21:51
16:04 — 17:26 AS4256 Alaska Airlines
Buffalo — Philadelphia
59m stop
18:25 — 21:51 AS443 Alaska Airlines
Philadelphia — Seattle
8h 47m
including layover
Find flight
from$357
17:50 — 22:46
17:50 — 18:47 UA630 United Airlines
Buffalo — Chicago
1h 8m stop
19:55 — 22:46 UA2850 United Airlines
Chicago — Seattle
7h 56m
including layover
Find flight
from$271
17:58 — 22:46
17:50 — 18:47 UA630 United Airlines
Buffalo — Chicago
1h stop
19:55 — 22:46 UA2211 United Airlines
Chicago — Seattle
7h 48m
including layover
Find flight
from$240
18:46 — 08:37
+1 day
18:46 — 20:15 F92751 Frontier Airlines
Buffalo — Denver
10h 20m stop
06:35 — 08:37 F91175 Frontier Airlines
Denver — Seattle
16h 51m
including layover
Find flight
from$87
18:46 — 21:11
+1 day
18:46 — 20:15 F92751 Frontier Airlines
Buffalo — Denver
22h 53m stop
19:08 — 21:11 F93405 Frontier Airlines
Denver — Seattle
29h 25m
including layover
Find flight
from$213
19:20 — 11:16
+1 day
19:20 — 20:53 UA4484 United Airlines
Buffalo — Newark
11h 6m stop
07:59 — 11:16 UA1330 United Airlines
Newark — Seattle
18h 56m
including layover
Find flight
from$299
19:20 — 22:00
+1 day
19:20 — 20:53 UA4484 United Airlines
Buffalo — Newark
21h 47m stop
18:40 — 22:00 UA2044 United Airlines
Newark — Seattle
29h 40m
including layover
Find flight
from$299
*Departure and arrival times - local. Updated on November 15, 2024

Flight Information

Below we will explain in detail what the flights cost on the destination from Buffalo to Seattle depends on and how to choose the most interesting flight option for you.

Distance between Buffalo and Seattle is 3405 miles. Time difference between the cities is 3h. Airplanes depart 05:21 to 19:50 from 1 Buffalo airport and arrive 05:21 to 19:50 to 3 Seattle airports. Average flight time is 15h 2m.

  • The fastest flight 7h 46m
  • Average flight time 15h 2m
  • The earliest flight 05:21
  • The latest flight 19:50
  • Distance 2116 ml

The cheapest months to travel to Seattle are february (from 87 $), november (from 240 $), december (from 242 $).

The most expensive months are january (from 278 $), december (from 242 $), november (from 240 $).

What is the lowest airfare Buffalo to Seattle?

The cheapest plane ticket found by our users is $87. This airfare is for economy class on one-way F92751 flight by Frontier Airlines for February 21, 2025 which leaves Niagara in Buffalo at 18:46 am and arrives at Seattle Seattle-Tacoma Intl at 08:37.

Economy class
$87
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Business class
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First class
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Popular Airlines on the Route

The flight Buffalo — Seattle is served by 3 regular airlines and 1 low-cost airline. Most of the flights on this route are operated by Alaska Airlines - 20 departures per week at the price of from $ 276 . And the most expensive tickets are offered by Alaska Airlines airline - from $ 1562.

Direct flights

There’re no direct flights on this route. Try flights with stops.

Connecting Flights

There are 122 flights with layovers on the route. The fastest connecting flight is AS4524 by Alaska Airlines takes 7h 46m and the cheapest is F92751 by Frontier Airlines for $87.

  • AS - Alaska Airlines
    from $276
    Find
  • F9 - Frontier Airlines
    from $87
    Find
  • UA - United Airlines
    from $240
    Find
See more connecting flights

Airports

You can fly from Buffalo to Seattle from 1 airports (Niagara).

Buffalo airports

  • Niagara-BUF
    from $87
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Seattle airports

  • Boeing Field International Airport-BFI
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  • Seattle-Tacoma Intl-SEA
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  • Kenmore Air Harbor SPB-LKE
    Find

How to book a plane ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

    To find a plane ticket, please select dates.

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