$128+ Cheap flights from Washington to Buffalo (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 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BUF
May 30 — Jun 61
Round-trip
1 adult, Economy
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Find cheap flights from Washington to Buffalo with Cheapflights
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Cheapest flights from Washington to BuffaloExplore the most affordable flight options available from Washington to Buffalo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2026.
Explore the most affordable flight options available from Washington to Buffalo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2026.
This Trip.com deal was found by Cheapflights users on 4/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/258:12 pm
SEA
- BUF
2 stops14h 43m
Multiple Airlines
Fri 7/311:29 am
BUF
- SEA
1 stop14h 17m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$383
This Delta deal was found by Cheapflights users on 4/28. 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.
Tue 9/2211:05 pm
SEA
- BUF
1 stop6h 18m
Delta
Wed 9/303:50 pm
BUF
- SEA
1 stop9h 15m
Delta
Deal found 4/28![Delta logo]()
$391
This Southwest deal was found by Cheapflights users on 4/27. 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.
Wed 5/2711:55 pm
PDX
- BUF
1 stop7h 20m
Southwest
Tue 6/26:55 pm
BUF
- PDX
1 stop7h 15m
Southwest
Deal found 4/27![Southwest logo]()
$391
This American Airlines deal was found by Cheapflights users on 4/29. 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.
Tue 6/1610:59 pm
PDX
- BUF
1 stop7h 30m
American Airlines
Tue 6/236:00 am
BUF
- PDX
1 stop7h 25m
American Airlines
Deal found 4/29![American Airlines logo]()
$392
This Southwest deal was found by Cheapflights users on 4/27. 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.
Wed 5/277:10 pm
SEA
- BUF
2 stops9h 40m
Southwest
Wed 6/36:55 pm
BUF
- SEA
1 stop8h 15m
Southwest
Deal found 4/27![Southwest logo]()
$396
This American Airlines deal was found by Cheapflights users on 4/29. 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.
Wed 6/175:15 am
SEA
- BUF
1 stop10h 25m
American Airlines
Wed 6/248:00 am
BUF
- SEA
1 stop9h 15m
American Airlines
Deal found 4/29![American Airlines logo]()
$397
This Southwest deal was found by Cheapflights users on 4/25. 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.
Wed 8/2611:00 pm
SEA
- BUF
2 stops10h 45m
Southwest
Wed 9/29:45 am
BUF
- SEA
2 stops11h 25m
Southwest
Deal found 4/25![Southwest logo]()
$401
This Delta deal was found by Cheapflights users on 4/29. 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.
Tue 5/265:30 am
SEA
- BUF
1 stop6h 42m
Delta
Mon 6/13:52 pm
BUF
- SEA
1 stop9h 54m
Delta
Deal found 4/29![Delta logo]()
$406
This American Airlines deal was found by Cheapflights users on 4/30. 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.
Sat 5/235:49 am
PDX
- BUF
1 stop9h 50m
American Airlines
Wed 5/272:47 pm
BUF
- PDX
1 stop11h 36m
American Airlines
Deal found 4/30![American Airlines logo]()
$406
This American Airlines deal was found by Cheapflights users on 4/30. 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.
Wed 6/171:45 pm
PDX
- BUF
1 stop7h 53m
American Airlines
Tue 6/235:25 am
BUF
- PDX
1 stop9h 09m
American Airlines
Deal found 4/30![American Airlines logo]()
$408
This American Airlines deal was found by Cheapflights users on 4/26. 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.
Wed 6/242:01 pm
GEG
- BUF
1 stop7h 37m
American Airlines
Thu 7/28:01 am
BUF
- GEG
1 stop8h 38m
American Airlines
Deal found 4/26![American Airlines logo]()
$416
This Delta deal was found by Cheapflights users on 4/25. 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.
Mon 5/2511:05 pm
SEA
- BUF
1 stop6h 15m
Delta
Mon 6/16:25 am
BUF
- SEA
1 stop7h 40m
Delta
Deal found 4/25![Delta logo]()
$421
Best flights from Washington to BuffaloDiscover carefully curated flight deals from Washington to Buffalo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 30, 2026.
Discover carefully curated flight deals from Washington to Buffalo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 30, 2026.
This Southwest deal was found by Cheapflights users on 4/30. 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.
Wed 9/910:30 pm
SEA
- BUF
1 stop9h 40m
Southwest
Tue 9/156:00 am
BUF
- SEA
1 stop10h 00m
Southwest
Deal found 4/30![Southwest logo]()
$391
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Wed 6/101:00 pm
SEA
- BUF
1 stop7h 59m
United Airlines
Wed 6/175:52 pm
BUF
- SEA
1 stop9h 07m
United Airlines
Deal found 4/29![United Airlines logo]()
$425
This Delta deal was found by Cheapflights users on 4/25. 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.
Wed 5/207:15 am
SEA
- BUF
1 stop9h 00m
Delta
Sun 5/243:52 pm
BUF
- SEA
1 stop9h 56m
Delta
Deal found 4/25![Delta logo]()
$434
This American Airlines deal was found by Cheapflights users on 4/30. 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.
Tue 6/1610:59 pm
PDX
- BUF
1 stop7h 30m
American Airlines
Wed 7/154:46 pm
BUF
- PDX
1 stop11h 09m
American Airlines
Deal found 4/30![American Airlines logo]()
$434
This Alaska Airlines deal was found by Cheapflights users on 4/30. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/26:00 am
GEG
- BUF
2 stops12h 57m
Alaska Airlines
Wed 6/310:01 am
BUF
- GEG
2 stops14h 44m
Alaska Airlines
Deal found 4/30![Alaska Airlines logo]()
$517
This Southwest deal was found by Cheapflights users on 4/26. 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.
Wed 8/2611:05 pm
SEA
- BUF
1 stop8h 40m
Southwest
Wed 9/23:55 pm
BUF
- SEA
1 stop10h 10m
Southwest
Deal found 4/26![Southwest logo]()
$391
This Southwest deal was found by Cheapflights users on 4/30. 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.
Thu 5/2811:55 pm
PDX
- BUF
1 stop7h 20m
Southwest
Tue 6/26:55 pm
BUF
- PDX
1 stop7h 15m
Southwest
Deal found 4/30![Southwest logo]()
$406
This United Airlines deal was found by Cheapflights users on 4/30. 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.
Tue 6/21:41 pm
GEG
- BUF
1 stop6h 17m
United Airlines
Wed 6/37:00 am
BUF
- GEG
1 stop7h 50m
United Airlines
Deal found 4/30![United Airlines logo]()
$475
This American Airlines deal was found by Cheapflights users on 4/26. 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.
Wed 6/246:30 am
GEG
- BUF
2 stops13h 20m
American Airlines
Thu 7/26:27 am
BUF
- GEG
1 stop10h 12m
American Airlines
Deal found 4/26![American Airlines logo]()
$475
This Delta deal was found by Cheapflights users on 4/30. 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.
Mon 6/2911:15 pm
PDX
- BUF
1 stop6h 08m
Delta
Thu 7/27:30 pm
BUF
- PDX
1 stop6h 48m
Delta
Deal found 4/30![Delta logo]()
$477
This Delta deal was found by Cheapflights users on 4/27. 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.
Fri 9/410:55 pm
PDX
- BUF
1 stop6h 28m
Delta
Mon 9/77:35 pm
BUF
- PDX
1 stop6h 59m
Delta
Deal found 4/27![Delta logo]()
$477
This Southwest deal was found by Cheapflights users on 4/29. 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.
Tue 5/2611:55 pm
PDX
- BUF
1 stop7h 25m
Southwest
Fri 5/298:00 pm
BUF
- PDX
1 stop7h 10m
Southwest
Deal found 4/29![Southwest logo]()
$434
This American Airlines deal was found by Cheapflights users on 4/29. 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.
Tue 7/286:30 am
GEG
- BUF
2 stops13h 21m
American Airlines
Mon 8/36:00 am
BUF
- GEG
2 stops10h 39m
American Airlines
Deal found 4/29![American Airlines logo]()
$500
This Southwest deal was found by Cheapflights users on 4/27. 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.
Fri 5/295:10 am
PDX
- BUF
2 stops11h 35m
Southwest
Tue 6/26:55 pm
BUF
- PDX
1 stop7h 15m
Southwest
Deal found 4/27![Southwest logo]()
$439
This Delta deal was found by Cheapflights users on 4/28. 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.
Thu 5/219:30 am
GEG
- BUF
2 stops11h 29m
Delta
Wed 5/277:00 am
BUF
- GEG
2 stops11h 58m
Delta
Deal found 4/28![Delta logo]()
$509
This Southwest deal was found by Cheapflights users on 4/29. 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.
Wed 6/109:25 pm
SEA
- BUF
1 stop7h 45m
Southwest
Wed 6/174:25 pm
BUF
- SEA
2 stops10h 55m
Southwest
Deal found 4/29![Southwest logo]()
$469
This Southwest deal was found by Cheapflights users on 4/26. 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.
Wed 6/1010:45 am
SEA
- BUF
2 stops8h 55m
Southwest
Sun 6/147:45 pm
BUF
- SEA
1 stop7h 20m
Southwest
Deal found 4/26![Southwest logo]()
$471
This Southwest deal was found by Cheapflights users on 4/28. 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.
Wed 7/89:25 pm
SEA
- BUF
1 stop7h 45m
Southwest
Wed 7/157:10 pm
BUF
- SEA
1 stop8h 10m
Southwest
Deal found 4/28![Southwest logo]()
$477
This Southwest deal was found by Cheapflights users on 4/30. 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.
Tue 6/168:35 pm
PDX
- BUF
2 stops10h 50m
Southwest
Wed 7/154:25 pm
BUF
- PDX
2 stops10h 05m
Southwest
Deal found 4/30![Southwest logo]()
$478
This Alaska Airlines deal was found by Cheapflights users on 4/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/45:53 pm
BLI
- BUF
2 stops13h 26m
Alaska Airlines
Sun 6/72:47 pm
BUF
- BLI
2 stops12h 20m
Alaska Airlines
Deal found 4/29![Alaska Airlines logo]()
$1,024
This Southwest deal was found by Cheapflights users on 4/28. 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.
Wed 6/247:30 pm
SEA
- BUF
2 stops9h 40m
Southwest
Mon 7/207:55 pm
BUF
- SEA
1 stop7h 30m
Southwest
Deal found 4/28![Southwest logo]()
$482
This Southwest deal was found by Cheapflights users on 4/28. 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.
Thu 9/2411:05 pm
SEA
- BUF
2 stops10h 40m
Southwest
Mon 9/2811:45 am
BUF
- SEA
1 stop9h 35m
Southwest
Deal found 4/28![Southwest logo]()
$482
This Southwest deal was found by Cheapflights users on 4/27. 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.
Tue 7/147:40 pm
PDX
- BUF
2 stops9h 20m
Southwest
Tue 7/212:55 pm
BUF
- PDX
1 stop8h 00m
Southwest
Deal found 4/27![Southwest logo]()
$482
This Southwest deal was found by Cheapflights users on 4/28. 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.
Sat 8/1511:30 pm
PDX
- BUF
2 stops9h 55m
Southwest
Sat 8/2212:00 pm
BUF
- PDX
1 stop7h 40m
Southwest
Deal found 4/28![Southwest logo]()
$482
This Southwest deal was found by Cheapflights users on 4/27. 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.
Fri 9/257:55 pm
PDX
- BUF
2 stops11h 00m
Southwest
Fri 10/22:50 pm
BUF
- PDX
2 stops9h 25m
Southwest
Deal found 4/27![Southwest logo]()
$487
This Southwest deal was found by Cheapflights users on 4/27. 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.
Wed 6/246:00 am
GEG
- BUF
2 stops12h 25m
Southwest
Thu 7/24:40 pm
BUF
- GEG
1 stop9h 45m
Southwest
Deal found 4/27![Southwest logo]()
$519
This Southwest deal was found by Cheapflights users on 4/27. 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.
Fri 6/126:25 am
GEG
- BUF
1 stop12h 10m
Southwest
Sun 6/281:20 pm
BUF
- GEG
1 stop6h 55m
Southwest
Deal found 4/27![Southwest logo]()
$533
This Southwest deal was found by Cheapflights users on 4/28. 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.
Thu 5/215:35 pm
GEG
- BUF
2 stops11h 15m
Southwest
Wed 5/271:10 pm
BUF
- GEG
2 stops12h 45m
Southwest
Deal found 4/28![Southwest logo]()
$539
Last-minute flights from Washington to BuffaloDiscover last-minute flight deals from Washington to Buffalo. Data last updated April 30, 2026 and is based on user searches.
Discover last-minute flight deals from Washington to Buffalo. Data last updated April 30, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 4/25. 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.
Wed 5/207:15 am
SEA
- BUF
1 stop9h 00m
Delta
Sun 5/243:52 pm
BUF
- SEA
1 stop9h 56m
Delta
Deal found 4/25![Delta logo]()
$434
This American Airlines deal was found by Cheapflights users on 4/25. 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.
Wed 5/2011:33 pm
SEA
- BUF
1 stop6h 58m
American Airlines
Mon 5/255:25 am
BUF
- SEA
1 stop9h 21m
American Airlines
Deal found 4/25![American Airlines logo]()
$443
This American Airlines deal was found by Cheapflights users on 4/30. 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.
Sat 5/235:49 am
PDX
- BUF
1 stop9h 50m
American Airlines
Wed 5/272:47 pm
BUF
- PDX
1 stop11h 36m
American Airlines
Deal found 4/30![American Airlines logo]()
$406
This Delta deal was found by Cheapflights users on 4/25. 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.
Mon 5/2511:05 pm
SEA
- BUF
1 stop6h 15m
Delta
Mon 6/16:25 am
BUF
- SEA
1 stop7h 40m
Delta
Deal found 4/25![Delta logo]()
$421
This American Airlines deal was found by Cheapflights users on 4/27. 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.
Mon 5/2510:59 pm
PDX
- BUF
1 stop7h 32m
American Airlines
Mon 6/15:25 am
BUF
- PDX
1 stop9h 09m
American Airlines
Deal found 4/27![American Airlines logo]()
$421
This American Airlines deal was found by Cheapflights users on 4/26. 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.
Mon 5/255:15 am
SEA
- BUF
1 stop10h 26m
American Airlines
Mon 6/12:47 pm
BUF
- SEA
1 stop11h 11m
American Airlines
Deal found 4/26![American Airlines logo]()
$448
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Tue 5/2610:40 pm
SEA
- BUF
1 stop8h 35m
United Airlines
Mon 6/15:52 pm
BUF
- SEA
1 stop9h 07m
United Airlines
Deal found 4/29![United Airlines logo]()
$406
This United Airlines deal was found by Cheapflights users on 4/30. 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.
Tue 5/2611:40 pm
PDX
- BUF
1 stop7h 35m
United Airlines
Fri 5/295:57 pm
BUF
- PDX
1 stop7h 50m
United Airlines
Deal found 4/30![United Airlines logo]()
$434
This Southwest deal was found by Cheapflights users on 4/29. 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.
Tue 5/265:40 am
PDX
- BUF
2 stops9h 35m
Southwest
Fri 5/298:00 pm
BUF
- PDX
1 stop7h 10m
Southwest
Deal found 4/29![Southwest logo]()
$439
This Southwest deal was found by Cheapflights users on 4/27. 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.
Wed 5/2711:45 pm
SEA
- BUF
1 stop7h 30m
Southwest
Wed 6/36:55 pm
BUF
- SEA
1 stop8h 15m
Southwest
Deal found 4/27![Southwest logo]()
$391
This Southwest deal was found by Cheapflights users on 4/27. 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.
Wed 5/2711:55 pm
PDX
- BUF
1 stop7h 20m
Southwest
Tue 6/26:55 pm
BUF
- PDX
1 stop7h 15m
Southwest
Deal found 4/27![Southwest logo]()
$391
This Southwest deal was found by Cheapflights users on 4/27. 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.
Fri 5/295:10 am
PDX
- BUF
2 stops11h 35m
Southwest
Tue 6/23:10 pm
BUF
- PDX
2 stops11h 00m
Southwest
Deal found 4/27![Southwest logo]()
$444
One-way flights from Washington to BuffaloSearch for one-way flight options from Washington to Buffalo. Find affordable one-way fares based on user searches. Data last updated April 30, 2026.
Search for one-way flight options from Washington to Buffalo. Find affordable one-way fares based on user searches. Data last updated April 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/28. 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.
Tue 6/95:20 pm
PDX
- BUF
2 stops17h 35m
Frontier
Deal found 4/28![Frontier logo]()
$128
This Trip.com deal was found by Cheapflights users on 4/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2911:21 am
SEA
- BUF
2 stops21h 07m
Frontier
Deal found 4/28![Frontier logo]()
$144
This Kiwi.com deal was found by Cheapflights users on 4/28. 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.
Fri 6/57:50 pm
SEA
- BUF
2 stops35h 51m
Frontier
Deal found 4/28![Frontier logo]()
$149
This Kiwi.com deal was found by Cheapflights users on 4/27. 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.
Wed 5/207:50 pm
SEA
- BUF
2 stops39h 04m
Frontier
Deal found 4/27![Frontier logo]()
$156
This Kiwi.com deal was found by Cheapflights users on 4/26. 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.
Tue 5/127:50 pm
SEA
- BUF
2 stops35h 51m
Frontier
Deal found 4/26![Frontier logo]()
$160
This Trip.com deal was found by Cheapflights users on 4/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/133:33 pm
SEA
- BUF
2 stops16h 07m
Frontier
Deal found 4/29![Frontier logo]()
$161
This Kiwi.com deal was found by Cheapflights users on 4/30. 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.
Mon 6/158:12 pm
SEA
- BUF
2 stops11h 43m
Frontier
Deal found 4/30![Frontier logo]()
$165
This Kiwi.com deal was found by Cheapflights users on 4/30. 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.
Thu 6/258:12 pm
SEA
- BUF
2 stops14h 43m
Frontier
Deal found 4/30![Frontier logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 4/28. 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.
Mon 8/107:41 pm
SEA
- BUF
2 stops39h 12m
Frontier
Deal found 4/28![Frontier logo]()
$174
This Trip.com deal was found by Cheapflights users on 4/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/911:06 am
SEA
- BUF
2 stops20h 35m
Frontier
Deal found 4/28![Frontier logo]()
$177
This Trip.com deal was found by Cheapflights users on 4/26. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/158:46 pm
PDX
- BUF
2 stops11h 47m
Frontier
Deal found 4/26![Frontier logo]()
$179
This Kiwi.com deal was found by Cheapflights users on 4/28. 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.
Mon 5/1111:06 am
SEA
- BUF
2 stops20h 35m
Frontier
Deal found 4/28![Frontier logo]()
$181
Find flight deals from Washington to Buffalo
Keep the following information in mind while searching for Washington to Buffalo flight deals. Data was last updated April 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $383 (Trip.com) |
One-way from | $128 (Kiwi.com) |
Popular in | December |
Cheapest in | March |
Average price | $500 |
Cheapflights Fare Finder
Customize your flight search to find flights from Washington 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 April 30, 2026.
Use the filters below to find and compare flights from Washington to Buffalo that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattleBuffalo
SEA - BUF
SEABUF
Seattle/Tacoma Intl
Wed 9/9
10:30 pm-11:10 am
1 stop9h 40m
Buffalo
Tue 9/15
6:00 am-1:00 pm
1 stop10h 00m
$391
SeattleBuffalo
SEA - BUF
SEABUF
Seattle/Tacoma Intl
Wed 8/26
11:05 pm-10:45 am
1 stop8h 40m
Buffalo
Wed 9/2
3:55 pm-11:05 pm
1 stop10h 10m
$391
PortlandBuffalo
PDX - BUF
PDXBUF
Portland
Thu 5/28
11:55 pm-10:15 am
1 stop7h 20m
Buffalo
Tue 6/2
6:55 pm-11:10 pm
1 stop7h 15m
$406
SeattleBuffalo
SEA - BUF
SEABUF
Seattle/Tacoma Intl
Wed 6/10
1:00 pm-11:59 pm
1 stop7h 59m
Buffalo
Wed 6/17
5:52 pm-11:59 pm
1 stop9h 07m
$425
SeattleBuffalo
SEA - BUF
SEABUF
Seattle/Tacoma Intl
Wed 5/20
7:15 am-7:15 pm
1 stop9h 00m
Buffalo
Sun 5/24
3:52 pm-10:48 pm
1 stop9h 56m
$434
PortlandBuffalo
PDX - BUF
PDXBUF
Portland
Tue 6/16
10:59 pm-9:29 am
1 stop7h 30m
Buffalo
Wed 7/15
4:46 pm-12:55 am
1 stop11h 09m
$434
PortlandBuffalo
PDX - BUF
PDXBUF
Portland
Tue 5/26
11:55 pm-10:20 am
1 stop7h 25m
Buffalo
Fri 5/29
8:00 pm-12:10 am
1 stop7h 10m
$434
PortlandBuffalo
PDX - BUF
PDXBUF
Portland
Fri 5/29
5:10 am-7:45 pm
2 stops11h 35m
Buffalo
Tue 6/2
6:55 pm-11:10 pm
1 stop7h 15m
$439
SeattleBuffalo
SEA - BUF
SEABUF
Seattle/Tacoma Intl
Wed 6/10
9:25 pm-8:10 am
1 stop7h 45m
Buffalo
Wed 6/17
4:25 pm-12:20 am
2 stops10h 55m
$469
SeattleBuffalo
SEA - BUF
SEABUF
Seattle/Tacoma Intl
Wed 6/10
10:45 am-10:40 pm
2 stops8h 55m
Buffalo
Sun 6/14
7:45 pm-12:05 am
1 stop7h 20m
$471
Showing 1-10 of 54 resultsSorted by cheapest first
Best time to book a flight from Washington to Buffalo
Have a flexible travel schedule? Discover the best time to fly to Buffalo from Washington with our price prediction graph.
SEA-BUF
PDX-BUF
GEG-BUF
BLI-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 Washington to Buffalo
USWA-BUF
SEA-BUF
PDX-BUF
GEG-BUF
BLI-BUF
How far ahead should I book a flight from State of Washington to Buffalo?
The best time to book flights from State of Washington to Buffalo is 7 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 State of Washington to Buffalo?
Currently, September is the cheapest month in which you can book a flight from State of Washington to Buffalo (average of $81). Flying from State of Washington to Buffalo in February is currently the most expensive (average of $384). 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 State of Washington to Buffalo?
Related info for your journey
Find useful and relevant information for your journey from Washington 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
Batavia
Williamsville
Orchard Park
Eden
Amherst
West Seneca
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
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Alternative routes for Washington 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 April 30, 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 Washington to Buffalo by cabin class
Find flights from Washington to Buffalo, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Washington and Buffalo flights
Browse other Washington and Buffalo flight options. Last updated on April 30, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Washington to Buffalo flights
Consider these flights traveling from Washington to Buffalo.
Top 7 airlines flying from Washington to Buffalo
Discover the top 7 airlines that operate flights from Washington 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 April 30, 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$183 | Average$415 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$268 | Average$452 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$274 | Average$546 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$335 | Average$516 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$500 | Average$777 | FlexibilityNo cancel fee | On-time75% |