$136+ Cheap flights from Seattle to Buffalo (SEA - BUF)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BUF
лип. 9 — лип. 161
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Seattle to Buffalo with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Seattle to Buffalo
Cheapest
Best
Last-minute
One-way
Cheapest flights from Seattle to BuffaloExplore the most affordable flight options available from Seattle to Buffalo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on червень 9, 2026.
Explore the most affordable flight options available from Seattle to Buffalo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on червень 9, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
сб 10/39:40 pm
SEA
- BUF
1 stop7h 44m
JetBlue
ср 10/1412:10 pm
BUF
- SEA
1 stop12h 05m
JetBlue
Deal found 6/5![JetBlue logo]()
$268
This JetBlue deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ср 9/309:40 pm
SEA
- BUF
1 stop7h 44m
JetBlue
вт 10/1312:10 pm
BUF
- SEA
1 stop12h 05m
JetBlue
Deal found 6/5![JetBlue logo]()
$273
This JetBlue deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ср 9/309:40 pm
SEA
- BUF
1 stop7h 44m
JetBlue
сб 10/173:10 pm
BUF
- SEA
1 stop10h 28m
JetBlue
Deal found 6/5![JetBlue logo]()
$278
This JetBlue deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
чт 10/19:40 pm
SEA
- BUF
1 stop7h 44m
JetBlue
ср 10/1412:10 pm
BUF
- SEA
1 stop12h 05m
JetBlue
Deal found 6/5![JetBlue logo]()
$304
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
вт 10/279:55 pm
SEA
- BUF
1 stop9h 27m
Delta
вт 11/31:15 pm
BUF
- SEA
1 stop9h 08m
Delta
Deal found 6/8![Delta logo]()
$305
This JetBlue deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
чт 10/19:40 pm
SEA
- BUF
1 stop7h 44m
JetBlue
сб 10/173:10 pm
BUF
- SEA
1 stop10h 28m
JetBlue
Deal found 6/5![JetBlue logo]()
$309
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ср 9/25:20 am
SEA
- BUF
2 stops9h 25m
Southwest
ср 9/96:25 pm
BUF
- SEA
1 stop8h 10m
Southwest
Deal found 6/8![Southwest logo]()
$312
This American Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
вт 9/15:50 am
SEA
- BUF
1 stop8h 10m
American Airlines
нд 9/66:09 pm
BUF
- SEA
1 stop9h 04m
American Airlines
Deal found 6/8![American Airlines logo]()
$314
This Cheapflightsfares deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ср 10/79:40 pm
SEA
- BUF
1 stop7h 44m
JetBlue
сб 10/103:10 pm
BUF
- SEA
1 stop10h 28m
JetBlue
Deal found 6/9![JetBlue logo]()
$318
This JetBlue deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ср 9/309:40 pm
SEA
- BUF
1 stop7h 44m
JetBlue
пт 10/163:10 pm
BUF
- SEA
1 stop10h 28m
JetBlue
Deal found 6/5![JetBlue logo]()
$323
This Delta deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
вт 8/411:30 am
SEA
- BUF
1 stop10h 10m
Delta
вт 8/116:27 am
BUF
- SEA
1 stop7h 04m
Delta
Deal found 6/4![Delta logo]()
$333
Best flights from Seattle to BuffaloDiscover carefully curated flight deals from Seattle to Buffalo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated червень 9, 2026.
Discover carefully curated flight deals from Seattle to Buffalo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated червень 9, 2026.
This JetBlue deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
вт 9/299:40 pm
SEA
- BUF
1 stop7h 44m
JetBlue
сб 10/312:10 pm
BUF
- SEA
1 stop11h 32m
JetBlue
Deal found 6/8![JetBlue logo]()
$273
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ср 9/25:20 am
SEA
- BUF
2 stops9h 25m
Southwest
ср 9/96:25 pm
BUF
- SEA
1 stop8h 10m
Southwest
Deal found 6/8![Southwest logo]()
$312
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
вт 9/2911:13 pm
SEA
- BUF
1 stop7h 16m
United Airlines
сб 10/310:40 am
BUF
- SEA
2 stops13h 35m
United Airlines
Deal found 6/8![United Airlines logo]()
$452
This Sun Country Air deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
чт 8/611:59 pm
SEA
- BUF
1 stop7h 37m
Sun Country Air
пн 8/1011:40 am
BUF
- SEA
1 stop23h 15m
Sun Country Air
Deal found 6/7![Sun Country Air logo]()
$475
This Delta deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ср 8/263:00 pm
SEA
- BUF
1 stop5h 58m
Delta
пн 8/316:40 am
BUF
- SEA
1 stop6h 51m
Delta
Deal found 6/6![Delta logo]()
$477
This JetBlue deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ср 9/239:40 pm
SEA
- BUF
1 stop7h 44m
JetBlue
нд 9/272:30 pm
BUF
- SEA
1 stop11h 08m
JetBlue
Deal found 6/5![JetBlue logo]()
$323
This Southwest deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
вт 9/811:05 pm
SEA
- BUF
1 stop9h 15m
Southwest
сб 9/1210:50 am
BUF
- SEA
2 stops10h 25m
Southwest
Deal found 6/5![Southwest logo]()
$342
This Southwest deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
вт 10/66:35 am
SEA
- BUF
2 stops8h 45m
Southwest
сб 10/107:20 am
BUF
- SEA
2 stops12h 20m
Southwest
Deal found 6/5![Southwest logo]()
$427
This Southwest deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
чт 11/56:45 am
SEA
- BUF
1 stop9h 30m
Southwest
нд 11/89:05 am
BUF
- SEA
2 stops11h 45m
Southwest
Deal found 6/9![Southwest logo]()
$429
This Southwest deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
вт 7/711:05 pm
SEA
- BUF
1 stop8h 20m
Southwest
ср 7/154:25 pm
BUF
- SEA
2 stops10h 10m
Southwest
Deal found 6/4![Southwest logo]()
$459
This Southwest deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
чт 8/205:15 am
SEA
- BUF
1 stop7h 00m
Southwest
пн 8/245:25 pm
BUF
- SEA
1 stop9h 55m
Southwest
Deal found 6/6![Southwest logo]()
$477
Last-minute flights from Seattle to BuffaloDiscover last-minute flight deals from Seattle to Buffalo. Data last updated червень 9, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Buffalo. Data last updated червень 9, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
пн 6/294:00 pm
SEA
- BUF
1 stop14h 40m
Delta
сб 7/47:45 pm
BUF
- SEA
1 stop7h 14m
Delta
Deal found 6/5![Delta logo]()
$418
This Delta deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
вт 6/3010:20 pm
SEA
- BUF
1 stop23h 18m
Delta
сб 7/47:45 pm
BUF
- SEA
1 stop7h 14m
Delta
Deal found 6/5![Delta logo]()
$399
This Delta deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ср 7/17:15 am
SEA
- BUF
1 stop9h 11m
Delta
сб 7/47:45 pm
BUF
- SEA
1 stop7h 14m
Delta
Deal found 6/5![Delta logo]()
$441
This Expedia deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
вт 7/711:45 am
SEA
- BUF
1 stop9h 03m
JetBlue
вт 7/1410:25 am
BUF
- SEA
1 stop15h 29m
JetBlue
Deal found 6/7![JetBlue logo]()
$429
This American Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
вт 7/710:35 pm
SEA
- BUF
1 stop8h 41m
American Airlines
вт 7/146:32 am
BUF
- SEA
1 stop9h 47m
American Airlines
Deal found 6/9![American Airlines logo]()
$431
This American Airlines deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
вт 7/2110:35 pm
SEA
- BUF
1 stop8h 41m
American Airlines
вт 8/48:08 am
BUF
- SEA
1 stop9h 19m
American Airlines
Deal found 6/4![American Airlines logo]()
$411
This Southwest deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
вт 7/217:30 pm
SEA
- BUF
2 stops9h 30m
Southwest
вт 7/287:10 pm
BUF
- SEA
1 stop8h 15m
Southwest
Deal found 6/5![Southwest logo]()
$436
This Southwest deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
вт 7/217:30 pm
SEA
- BUF
2 stops9h 30m
Southwest
вт 8/46:25 pm
BUF
- SEA
1 stop8h 10m
Southwest
Deal found 6/4![Southwest logo]()
$437
This Kiwi.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
чт 7/2311:59 pm
SEA
- BUF
1 stop7h 37m
Multiple Airlines
пн 8/32:48 pm
BUF
- SEA
2 stops47h 20m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$422
This Kiwi.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
чт 7/2311:59 pm
SEA
- BUF
1 stop7h 37m
Multiple Airlines
вт 8/411:29 am
BUF
- SEA
2 stops24h 35m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$427
This Kiwi.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
чт 7/2311:59 pm
SEA
- BUF
1 stop7h 37m
Multiple Airlines
пт 8/72:48 pm
BUF
- SEA
2 stops47h 20m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$439
This Kiwi.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
чт 7/2311:59 pm
SEA
- BUF
1 stop7h 37m
Multiple Airlines
чт 8/611:29 am
BUF
- SEA
2 stops26h 39m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$450
One-way flights from Seattle to BuffaloSearch for one-way flight options from Seattle to Buffalo. Find affordable one-way fares based on user searches. Data last updated червень 9, 2026.
Search for one-way flight options from Seattle to Buffalo. Find affordable one-way fares based on user searches. Data last updated червень 9, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ср 10/79:40 pm
SEA
- BUF
1 stop7h 44m
JetBlue
Deal found 6/6![JetBlue logo]()
$136
This Cheapflightsfares deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
сб 7/411:44 pm
SEA
- BUF
1 stop9h 52m
JetBlue
Deal found 6/6![JetBlue logo]()
$137
This Delta deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
вт 8/256:05 am
SEA
- BUF
1 stop9h 18m
Delta
Deal found 6/5![Delta logo]()
$167
This Cheapflightsfares deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
пн 7/611:45 am
SEA
- BUF
1 stop9h 03m
JetBlue
Deal found 6/6![JetBlue logo]()
$169
This JetBlue deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
пн 7/1311:45 am
SEA
- BUF
1 stop8h 58m
JetBlue
Deal found 6/6![JetBlue logo]()
$174
This United Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
чт 8/2711:00 pm
SEA
- BUF
1 stop7h 28m
United Airlines
Deal found 6/5![United Airlines logo]()
$176
This Delta deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
пт 8/2811:59 pm
SEA
- BUF
1 stop8h 12m
Delta
Deal found 6/5![Delta logo]()
$181
This Delta deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
чт 8/1311:10 pm
SEA
- BUF
1 stop9h 12m
Delta
Deal found 6/9![Delta logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ср 7/227:06 pm
SEA
- BUF
2 stops12h 23m
Frontier
Deal found 6/8![Frontier logo]()
$186
This Kiwi.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
сб 8/293:19 pm
SEA
- BUF
2 stops16h 21m
Frontier
Deal found 6/5![Frontier logo]()
$192
This Kiwi.com deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ср 8/268:13 pm
SEA
- BUF
2 stops11h 27m
Frontier
Deal found 6/7![Frontier logo]()
$194
This Kiwi.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
вт 8/253:19 pm
SEA
- BUF
2 stops19h 36m
Frontier
Deal found 6/5![Frontier logo]()
$197
Find flight deals from Seattle to Buffalo
Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Buffalo (BUF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated червень 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $268 (Cheapflightsfares) |
One-way from | $136 (Cheapflightsfares) |
Popular in | December |
Cheapest in | October |
Average price | $550 |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to Buffalo that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated червень 9, 2026.
Use the filters below to find and compare flights from Seattle to Buffalo that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattleBuffalo
SEA - BUF
SEABUF
Seattle/Tacoma Intl
вт 9/29
9:40 pm-8:24 am
1 stop7h 44m
Buffalo
сб 10/3
12:10 pm-8:42 pm
1 stop11h 32m
$273
SeattleBuffalo
SEA - BUF
SEABUF
Seattle/Tacoma Intl
ср 9/2
5:20 am-5:45 pm
2 stops9h 25m
Buffalo
ср 9/9
6:25 pm-11:35 pm
1 stop8h 10m
$312
SeattleBuffalo
SEA - BUF
SEABUF
Seattle/Tacoma Intl
ср 9/23
9:40 pm-8:24 am
1 stop7h 44m
Buffalo
нд 9/27
2:30 pm-10:38 pm
1 stop11h 08m
$323
SeattleBuffalo
SEA - BUF
SEABUF
Seattle/Tacoma Intl
вт 9/8
11:05 pm-11:20 am
1 stop9h 15m
Buffalo
сб 9/12
10:50 am-6:15 pm
2 stops10h 25m
$342
SeattleBuffalo
SEA - BUF
SEABUF
Seattle/Tacoma Intl
вт 10/6
6:35 am-6:20 pm
2 stops8h 45m
Buffalo
сб 10/10
7:20 am-4:40 pm
2 stops12h 20m
$427
SeattleBuffalo
SEA - BUF
SEABUF
Seattle/Tacoma Intl
чт 11/5
6:45 am-7:15 pm
1 stop9h 30m
Buffalo
нд 11/8
9:05 am-5:50 pm
2 stops11h 45m
$429
SeattleBuffalo
SEA - BUF
SEABUF
Seattle/Tacoma Intl
вт 9/29
11:13 pm-9:29 am
1 stop7h 16m
Buffalo
сб 10/3
10:40 am-9:15 pm
2 stops13h 35m
$452
SeattleBuffalo
SEA - BUF
SEABUF
Seattle/Tacoma Intl
вт 7/7
11:05 pm-10:25 am
1 stop8h 20m
Buffalo
ср 7/15
4:25 pm-11:35 pm
2 stops10h 10m
$459
SeattleBuffalo
SEA - BUF
SEABUF
Seattle/Tacoma Intl
чт 8/6
11:59 pm-10:36 am
1 stop7h 37m
Buffalo
пн 8/10
11:40 am-7:55 am
1 stop23h 15m
$475
Quickest round-trip
SeattleBuffalo
SEA - BUF
SEABUF
Seattle/Tacoma Intl
ср 8/26
3:00 pm-11:58 pm
1 stop5h 58m
Buffalo
пн 8/31
6:40 am-10:31 am
1 stop6h 51m
$477
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from Seattle to Buffalo
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Buffalo in June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Seattle-Buffalo flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Buffalo flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Buffalo flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Seattle-Buffalo flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Buffalo flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Seattle to Buffalo
Have a flexible travel schedule? Discover the best time to fly to Buffalo from Seattle with our price prediction graph.
SEA-BUF
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Seattle to Buffalo
How far ahead should I book a flight from Seattle to Buffalo?
The best time to book flights from Seattle to Buffalo is 10 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Seattle to Buffalo?
Currently, October is the cheapest month in which you can book a flight from Seattle to Buffalo (average of $370). Flying from Seattle to Buffalo in December is currently the most expensive (average of $654). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Seattle to Buffalo?
Reviews of airlines servicing Buffalo
Get insights into the airlines that provide service to Buffalo. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Buffalo. Reviews last updated червень 9, 2026.
See what other customers who have flown with Southwest,Delta, andUnited Airlines from Seattle to Buffalo have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Comfort
8.0
Overall
7.9
Boarding
8.1
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Food
7.0
Comfort
8.0
Overall
7.9
Boarding
8.1
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Food
7.0
Comfort
8.0
Overall
7.9
Boarding
8.1
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Food
7.0
Comfort
8.0
Overall
7.9
Boarding
8.1
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Food
7.0
Comfort
8.0
Overall
7.9
Boarding
8.1
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Food
7.0
Comfort
8.0
Overall
7.9
Boarding
8.1
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Related info for your journey
Find useful and relevant information for your journey from Seattle to Buffalo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Buffalo?
Book flights to Buffalo if you plan to visit one of these locationsLockport
Cheektowaga
Amherst
Batavia
Williamsville
Orchard Park
Eden
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Buffalo flight routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Seattle
Popular flights
Alternative routes for Seattle to Buffalo
See prices for flight routes from nearby airports that may be better suited for you.
Other flights to Buffalo
Explore flights to Buffalo departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on червень 9, 2026.
Complete your trip
Complete your trip to Buffalo by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Seattle to Buffalo by cabin class
Find flights from Seattle to Buffalo, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Seattle and Buffalo flights
Browse other Seattle and Buffalo flight options. Last updated on червень 9, 2026.
Other flights from Seattle
Browse through other flights departing from Seattle. Flights are based on user searches made on Cheapflights and were last updated on червень 9, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 6 airlines flying from Seattle to Buffalo
Discover the top 6 airlines that operate flights from Seattle to Buffalo. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated червень 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$131 | Average$303 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$139 | Average$287 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$218 | Average$498 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$274 | Average$514 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$286 | Average$497 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$335 | Average$476 | FlexibilityNo cancel fee | On-time63% |