Cheap Flights from Seattle, WA to Buffalo, NY from $287

Return flight: Buffalo – Seattle

On Cheapflightsplus.com you will find 215 connecting flights from Seattle to Buffalo. You can compare airfare deals from 4 airlines and multiple travel sites from $287, book and save on cheap plane tickets and last minute offers. Also check out SEA-BUF flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip Seattle to Buffalo 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: $287 (one-way), $492 (round-trip).
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Full flight schedule will help you in detecting at what time planes fly from Seattle to Buffalo. 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
06:00 — 16:38
06:00 — 12:09 AS408 Alaska Airlines
Seattle — Chicago
1h 53m stop
15:10 — 17:39 AS4524 Alaska Airlines
Chicago — Buffalo
7h 38m
including layover
Find flight
from$418
06:00 — 16:38
06:00 — 12:10 AS408 Alaska Airlines
Seattle — Chicago
1h 50m stop
14:00 — 16:38 AS4197 Alaska Airlines
Chicago — Buffalo
7h 38m
including layover
Find flight
from$474
07:00 — 16:53
07:00 — 13:06 UA1373 United Airlines
Seattle — Chicago
1h 4m stop
14:10 — 16:53 UA3591 United Airlines
Chicago — Buffalo
6h 53m
including layover
Find flight
from$333
07:00 — 18:33
07:00 — 15:09 UA1329 United Airlines
Seattle — Newark
1h 51m stop
17:00 — 18:33 UA4582 United Airlines
Newark — Buffalo
8h 33m
including layover
Find flight
from$333
08:00 — 23:25
08:00 — 16:06 UA1360 United Airlines
Seattle — Washington D.C.
5h 59m stop
22:05 — 23:25 UA4492 United Airlines
Washington D.C. — Buffalo
12h 25m
including layover
Find flight
from$385
08:14 — 21:51
08:14 — 16:20 AS4 Alaska Airlines
Seattle — Washington D.C.
3h 55m stop
20:15 — 21:51 AS6220 Alaska Airlines
Washington D.C. — Buffalo
10h 37m
including layover
Find flight
from$330
09:01 — 23:30
09:01 — 17:29 AS398 Alaska Airlines
Seattle — Newark
4h 30m stop
21:59 — 23:30 UA3522 United Airlines
Newark — Buffalo
11h 29m
including layover
Find flight
from$513
09:44 — 22:42
09:44 — 17:50 AS442 Alaska Airlines
Seattle — Philadelphia
3h 30m stop
21:25 — 22:55 AS6683 Alaska Airlines
Philadelphia — Buffalo
9h 58m
including layover
Find flight
from$330
10:38 — 20:21
10:50 — 16:58 AS352 Alaska Airlines
Seattle — Chicago
50m stop
20:35 — 23:17 AS4197 Alaska Airlines
Chicago — Buffalo
6h 43m
including layover
Find flight
from$329
10:55 — 20:47
10:55 — 16:59 UA747 United Airlines
Seattle — Chicago
1h 7m stop
18:06 — 20:47 UA1335 United Airlines
Chicago — Buffalo
6h 52m
including layover
Find flight
from$396
11:05 — 21:10
11:05 — 17:10 UA747 United Airlines
Seattle — Chicago
1h 20m stop
18:30 — 21:10 UA2663 United Airlines
Chicago — Buffalo
7h 5m
including layover
Find flight
from$333
12:37 — 23:46
12:37 — 20:40 UA2275 United Airlines
Seattle — Washington D.C.
1h 45m stop
22:25 — 23:46 UA6126 United Airlines
Washington D.C. — Buffalo
8h 9m
including layover
Find flight
from$489
12:47 — 23:42
12:47 — 20:45 UA2275 United Airlines
Seattle — Washington D.C.
1h 35m stop
22:20 — 23:42 UA3708 United Airlines
Washington D.C. — Buffalo
7h 55m
including layover
Find flight
from$396
14:06 — 16:51
+1 day
14:06 — 20:09 UA2013 United Airlines
Seattle — Chicago
18h 1m stop
14:10 — 16:51 UA1448 United Airlines
Chicago — Buffalo
23h 45m
including layover
Find flight
from$503
14:20 — 13:20
+1 day
14:06 — 20:09 UA2013 United Airlines
Seattle — Chicago
14h 10m stop
10:35 — 13:10 UA4382 United Airlines
Chicago — Buffalo
20h
including layover
Find flight
from$503
22:36 — 16:44
+1 day
22:36 — 04:40 AS328 Alaska Airlines
Seattle — Chicago
9h 22m stop
14:02 — 16:44 UA3662 United Airlines
Chicago — Buffalo
15h 8m
including layover
Find flight
from$512
22:50 — 14:03
+1 day
22:50 — 07:08 UA341 United Airlines
Seattle — Newark
5h 27m stop
12:35 — 14:03 UA4575 United Airlines
Newark — Buffalo
12h 13m
including layover
Find flight
from$414
23:15 — 09:47
+1 day
23:15 — 07:07 UA1810 United Airlines
Seattle — Washington D.C.
1h 18m stop
08:25 — 09:47 UA6144 United Airlines
Washington D.C. — Buffalo
7h 32m
including layover
Find flight
from$287
23:17 — 10:59
+1 day
23:17 — 07:35 UA341 United Airlines
Seattle — Newark
1h 50m stop
09:30 — 11:04 UA4415 United Airlines
Newark — Buffalo
8h 42m
including layover
Find flight
from$333
*Departure and arrival times - local. Updated on May 9, 2025

Flight Information

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

Distance between Seattle and Buffalo is 3405 miles. Time difference between the cities is 3h. Airplanes depart 05:00 to 23:59 from 3 Seattle airports and arrive 05:00 to 23:59 to 1 Buffalo airport. Average flight time is 12h 47m.

  • The fastest flight 6h 41m
  • Average flight time 12h 47m
  • The earliest flight 05:00
  • The latest flight 23:59
  • Distance 2116 ml

The cheapest months to travel to Buffalo are december (from 287 $), january (from 333 $), february (from 333 $).

The most expensive months are november (from 368 $), february (from 333 $), january (from 333 $).

What is the lowest airfare Seattle to Buffalo?

The cheapest plane ticket found by our users is $287. This airfare is for economy class on one-way UA1810 flight by United Airlines for December 31, 2024 which leaves Seattle-Tacoma Intl in Seattle at 23:15 am and arrives at Buffalo Niagara at 09:47.

Economy class
$287
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Business class
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First class
?
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Popular Airlines on the Route

The flight Seattle — Buffalo is served by 4 regular airlines and 1 low-cost airline. Most of the flights on this route are operated by Alaska Airlines - 62 departures per week at the price of from $ 329 . And the most expensive tickets are offered by Alaska Airlines airline - from $ 1127.

Direct flights

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

Connecting Flights

There are 215 flights with layovers on the route. The fastest connecting flight is UA2494 by United Airlines takes 6h 41m and the cheapest is UA1810 by United Airlines for $287.

  • AS - Alaska Airlines
    from $329
    Find
  • F9 - Frontier Airlines
    from $732
    Find
  • UA - United Airlines
    from $287
    Find
  • AM - Aeromexico
    from $1097
    Find
See more connecting flights

Airports

You can fly from Seattle to Buffalo from 3 airports (Boeing Field International Airport, Seattle-Tacoma Intl, Kenmore Air Harbor SPB).

Seattle airports

  • Boeing Field International Airport-BFI
    Find
  • Seattle-Tacoma Intl-SEA
    from $287
    Find
  • Kenmore Air Harbor SPB-LKE
    Find

Buffalo airports

  • Niagara-BUF
    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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