Cheap Flights from Seattle, WA to Buffalo, NY from $329

Return flight: Buffalo – Seattle

On Cheapflightsplus.com you will find 26 connecting flights from Seattle to Buffalo. You can compare airfare deals from 3 airlines and multiple travel sites from $329, 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: $329 (one-way), $564 (round-trip).
Direct flights
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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
06:15 — 18:34
06:15 — 14:33 AS280 Alaska Airlines
Seattle — Newark
2h 27m stop
17:00 — 18:34 UA4515 United Airlines
Newark — Buffalo
9h 19m
including layover
Find flight
from$927
07:00 — 16:45
07:00 — 13:04 UA1448 United Airlines
Seattle — Chicago
1h 6m stop
14:10 — 16:45 UA1448 United Airlines
Chicago — Buffalo
6h 45m
including layover
Find flight
from$458
07:00 — 20:55
07:00 — 13:04 UA1448 United Airlines
Seattle — Chicago
5h 11m stop
18:15 — 20:55 UA1335 United Airlines
Chicago — Buffalo
10h 55m
including layover
Find flight
from$550
08:10 — 19:14
08:10 — 16:09 UA1102 United Airlines
Seattle — Washington D.C.
1h 36m stop
17:45 — 19:14 UA4483 United Airlines
Washington D.C. — Buffalo
8h 4m
including layover
Find flight
from$511
08:10 — 23:41
08:10 — 16:09 UA1102 United Airlines
Seattle — Washington D.C.
6h 6m stop
22:15 — 23:41 UA4353 United Airlines
Washington D.C. — Buffalo
12h 31m
including layover
Find flight
from$542
09:37 — 17:46
+1 day
09:37 — 13:25 F93406 Frontier Airlines
Seattle — Denver
23h 13m stop
12:38 — 17:46 F92752 Frontier Airlines
Denver — Buffalo
29h 9m
including layover
Find flight
from$609
10:52 — 20:55
10:55 — 16:59 UA2296 United Airlines
Seattle — Chicago
1h 17m stop
18:15 — 21:00 UA1335 United Airlines
Chicago — Buffalo
7h 3m
including layover
Find flight
from$330
10:52 — 13:16
+1 day
10:52 — 16:58 UA2296 United Airlines
Seattle — Chicago
17h 38m stop
10:36 — 13:16 UA4382 United Airlines
Chicago — Buffalo
23h 24m
including layover
Find flight
from$596
11:46 — 21:52
10:38 — 16:50 AS352 Alaska Airlines
Seattle — Chicago
1h 5m stop
19:09 — 22:04 AS4524 Alaska Airlines
Chicago — Buffalo
7h 6m
including layover
Find flight
from$533
12:20 — 23:44
12:20 — 20:32 UA2033 United Airlines
Seattle — Newark
1h 43m stop
22:15 — 23:44 UA2212 United Airlines
Newark — Buffalo
8h 24m
including layover
Find flight
from$463
12:20 — 12:27
+1 day
12:20 — 20:32 UA2033 United Airlines
Seattle — Newark
14h 24m stop
10:56 — 12:27 UA3457 United Airlines
Newark — Buffalo
21h 7m
including layover
Find flight
from$564
22:08 — 17:46
+1 day
22:08 — 01:51 F91176 Frontier Airlines
Seattle — Denver
10h 47m stop
12:38 — 17:46 F92752 Frontier Airlines
Denver — Buffalo
16h 38m
including layover
Find flight
from$609
23:20 — 12:27
+1 day
22:36 — 06:43 UA341 United Airlines
Seattle — Newark
3h 30m stop
10:30 — 11:59 UA3457 United Airlines
Newark — Buffalo
10h 7m
including layover
Find flight
from$329
23:59 — 16:45
+1 day
23:55 — 05:52 UA747 United Airlines
Seattle — Chicago
8h 17m stop
14:12 — 16:53 UA1448 United Airlines
Chicago — Buffalo
13h 46m
including layover
Find flight
from$425
09:25 — 23:44
09:25 — 17:36 AS402 Alaska Airlines
Seattle — Charleston
1h 44m stop
19:20 — 21:26 UA2212 United Airlines
Charleston — Newark
49m stop
22:15 — 23:44 UA2212 United Airlines
Newark — Buffalo
11h 19m
including layover
Find flight
from$888
16:58 — 13:16
+1 day
16:58 — 19:10 UA2482 United Airlines
Seattle — San Francisco
3h 25m stop
22:35 — 04:53 UA2482 United Airlines
San Francisco — Chicago
5h 43m stop
10:36 — 13:16 UA4382 United Airlines
Chicago — Buffalo
17h 18m
including layover
Find flight
from$556
16:58 — 16:45
+1 day
16:58 — 19:10 UA2482 United Airlines
Seattle — San Francisco
3h 25m stop
22:35 — 04:53 UA2482 United Airlines
San Francisco — Chicago
9h 17m stop
14:10 — 16:45 UA1448 United Airlines
Chicago — Buffalo
20h 47m
including layover
Find flight
from$620
*Departure and arrival times - local. Updated on February 23, 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 06:15 to 23:59 from 3 Seattle airports and arrive 06:15 to 23:59 to 1 Buffalo airport. Average flight time is 11h 55m.

  • The fastest flight 6h 45m
  • Average flight time 11h 55m
  • The earliest flight 06:15
  • The latest flight 23:59
  • Distance 2116 ml

The cheapest months to travel to Buffalo are november (from 329 $), december (from 330 $), february (from 458 $).

What is the lowest airfare Seattle to Buffalo?

The cheapest plane ticket found by our users is $329. This airfare is for economy class on one-way UA341 flight by United Airlines for February 21, 2025 which leaves Seattle-Tacoma Intl in Seattle at 23:20 am and arrives at Buffalo Niagara at 12:27.

Economy class
$329
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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 3 regular airlines and 1 low-cost airline. Most of the flights on this route are operated by Alaska Airlines - 6 departures per week at the price of from $ 533 . And the most expensive tickets are offered by Alaska Airlines airline - from $ 937.

Direct flights

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

Connecting Flights

There are 26 flights with layovers on the route. The fastest connecting flight is UA1448 by United Airlines takes 6h 45m and the cheapest is UA341 by United Airlines for $329.

  • AS - Alaska Airlines
    from $533
    Find
  • F9 - Frontier Airlines
    from $609
    Find
  • UA - United Airlines
    from $329
    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 $329
    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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