$115+ Cheap flights from Buffalo to Seattle (BUF - SEA)
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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SEA
Apr 4 — Apr 111
Round-trip
1 adult, Economy
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Find cheap flights from Buffalo to Seattle 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
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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 Buffalo to Seattle
Cheapest
Best
Last-minute
One-way
Cheapest flights from Buffalo to SeattleExplore the most affordable flight options available from Buffalo to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 5, 2026.
Explore the most affordable flight options available from Buffalo to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 5, 2026.
This Southwest deal was found by Cheapflights users on 3/3. 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 3/257:00 pm
BUF
- SEA
1 stop7h 55m
Southwest
Tue 3/3111:55 pm
SEA
- BUF
1 stop7h 15m
Southwest
Deal found 3/3![Southwest logo]()
$311
This United Airlines deal was found by Cheapflights users on 3/5. 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.
Tue 4/1410:35 am
BUF
- SEA
2 stops11h 25m
United Airlines
Wed 4/2911:59 pm
SEA
- BUF
1 stop6h 42m
United Airlines
Deal found 3/5![United Airlines logo]()
$316
This Southwest deal was found by Cheapflights users on 3/5. 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.
Tue 4/144:00 pm
BUF
- SEA
2 stops11h 10m
Southwest
Wed 4/296:00 am
SEA
- BUF
2 stops9h 15m
Southwest
Deal found 3/5![Southwest logo]()
$321
This Southwest deal was found by Cheapflights users on 3/3. 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 4/98:00 pm
BUF
- SEA
1 stop7h 05m
Southwest
Wed 4/1511:45 pm
SEA
- BUF
1 stop7h 30m
Southwest
Deal found 3/3![Southwest logo]()
$323
This Southwest deal was found by Cheapflights users on 3/2. 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 4/156:55 pm
BUF
- SEA
1 stop8h 15m
Southwest
Wed 4/2211:45 pm
SEA
- BUF
1 stop7h 30m
Southwest
Deal found 3/2![Southwest logo]()
$335
This United Airlines deal was found by Cheapflights users on 3/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/16:00 pm
BUF
- SEA
1 stop7h 42m
United Airlines
Wed 4/811:59 pm
SEA
- BUF
1 stop7h 13m
United Airlines
Deal found 3/4![United Airlines logo]()
$354
This American Airlines deal was found by Cheapflights users on 3/4. 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.
Mon 4/136:00 pm
BUF
- SEA
1 stop9h 36m
American Airlines
Mon 4/2011:16 am
SEA
- BUF
1 stop7h 20m
American Airlines
Deal found 3/4![American Airlines logo]()
$358
Best flights from Buffalo to SeattleDiscover carefully curated flight deals from Buffalo to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 5, 2026.
Discover carefully curated flight deals from Buffalo to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 5, 2026.
This United Airlines deal was found by Cheapflights users on 2/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3011:02 am
BUF
- SEA
1 stop7h 46m
United Airlines
Mon 5/411:53 pm
SEA
- BUF
1 stop6h 48m
United Airlines
Deal found 2/28![United Airlines logo]()
$335
This Southwest deal was found by Cheapflights users on 3/2. 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 3/217:45 pm
BUF
- SEA
1 stop7h 30m
Southwest
Mon 3/2311:55 pm
SEA
- BUF
1 stop7h 15m
Southwest
Deal found 3/2![Southwest logo]()
$386
This Delta deal was found by Cheapflights users on 3/4. 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.
Fri 4/105:50 pm
BUF
- SEA
1 stop7h 25m
Delta
Mon 4/1311:14 pm
SEA
- BUF
1 stop9h 25m
Delta
Deal found 3/4![Delta logo]()
$497
This United Airlines deal was found by Cheapflights users on 3/1. 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 4/296:02 pm
BUF
- SEA
1 stop7h 40m
United Airlines
Sat 5/210:52 am
SEA
- BUF
2 stops10h 03m
United Airlines
Deal found 3/1![United Airlines logo]()
$340
This Southwest deal was found by Cheapflights users on 3/1. 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 4/294:00 pm
BUF
- SEA
2 stops11h 10m
Southwest
Sat 5/26:40 am
SEA
- BUF
2 stops13h 45m
Southwest
Deal found 3/1![Southwest logo]()
$396
This Southwest deal was found by Cheapflights users on 2/28. 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 5/206:55 pm
BUF
- SEA
1 stop8h 15m
Southwest
Thu 5/286:30 am
SEA
- BUF
2 stops12h 00m
Southwest
Deal found 2/28![Southwest logo]()
$433
This United Airlines deal was found by Cheapflights users on 3/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/67:00 am
BUF
- SEA
2 stops15h 44m
United Airlines
Sat 5/97:00 am
SEA
- BUF
2 stops13h 55m
United Airlines
Deal found 3/4![United Airlines logo]()
$453
This Southwest deal was found by Cheapflights users on 3/3. 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 4/17:00 pm
BUF
- SEA
1 stop7h 55m
Southwest
Mon 4/611:55 pm
SEA
- BUF
1 stop7h 25m
Southwest
Deal found 3/3![Southwest logo]()
$446
This United Airlines deal was found by Cheapflights users on 3/1. 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.
Mon 4/137:45 pm
BUF
- SEA
2 stops17h 01m
United Airlines
Mon 4/2010:55 pm
SEA
- BUF
1 stop7h 52m
United Airlines
Deal found 3/1![United Airlines logo]()
$500
Last-minute flights from Buffalo to SeattleDiscover last-minute flight deals from Buffalo to Seattle. Data last updated March 5, 2026 and is based on user searches.
Discover last-minute flight deals from Buffalo to Seattle. Data last updated March 5, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 3/3. 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 3/257:00 pm
BUF
- SEA
1 stop7h 55m
Southwest
Tue 3/3111:55 pm
SEA
- BUF
1 stop7h 15m
Southwest
Deal found 3/3![Southwest logo]()
$311
This United Airlines deal was found by Cheapflights users on 3/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/16:00 pm
BUF
- SEA
1 stop7h 42m
United Airlines
Wed 4/811:59 pm
SEA
- BUF
1 stop7h 13m
United Airlines
Deal found 3/4![United Airlines logo]()
$354
This Southwest deal was found by Cheapflights users on 3/3. 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 4/98:00 pm
BUF
- SEA
1 stop7h 05m
Southwest
Wed 4/1511:45 pm
SEA
- BUF
1 stop7h 30m
Southwest
Deal found 3/3![Southwest logo]()
$323
This American Airlines deal was found by Cheapflights users on 3/4. 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.
Mon 4/136:00 pm
BUF
- SEA
1 stop9h 36m
American Airlines
Mon 4/2011:16 am
SEA
- BUF
1 stop7h 20m
American Airlines
Deal found 3/4![American Airlines logo]()
$358
This United Airlines deal was found by Cheapflights users on 3/5. 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.
Tue 4/1410:35 am
BUF
- SEA
2 stops11h 25m
United Airlines
Wed 4/2911:59 pm
SEA
- BUF
1 stop6h 42m
United Airlines
Deal found 3/5![United Airlines logo]()
$316
This Southwest deal was found by Cheapflights users on 3/5. 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.
Tue 4/144:00 pm
BUF
- SEA
2 stops11h 10m
Southwest
Wed 4/296:00 am
SEA
- BUF
2 stops9h 15m
Southwest
Deal found 3/5![Southwest logo]()
$321
This Southwest deal was found by Cheapflights users on 3/2. 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 4/156:55 pm
BUF
- SEA
1 stop8h 15m
Southwest
Wed 4/2211:45 pm
SEA
- BUF
1 stop7h 30m
Southwest
Deal found 3/2![Southwest logo]()
$335
One-way flights from Buffalo to SeattleSearch for one-way flight options from Buffalo to Seattle. Find affordable one-way fares based on user searches. Data last updated March 5, 2026.
Search for one-way flight options from Buffalo to Seattle. Find affordable one-way fares based on user searches. Data last updated March 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/1. 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 4/151:56 pm
BUF
- SEA
2 stops22h 31m
Frontier
Deal found 3/1![Frontier logo]()
$115
This Kiwi.com deal was found by Cheapflights users on 3/1. 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.
Sat 5/161:08 pm
BUF
- SEA
2 stops23h 19m
Frontier
Deal found 3/1![Frontier logo]()
$134
This Kiwi.com deal was found by Cheapflights users on 3/3. 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 4/1712:08 pm
BUF
- SEA
2 stops24h 19m
Frontier
Deal found 3/3![Frontier logo]()
$153
This Delta deal was found by Cheapflights users on 3/1. 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 4/1512:50 pm
BUF
- SEA
1 stop8h 38m
Delta
Deal found 3/1![Delta logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 3/5. 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.
Fri 5/81:08 pm
BUF
- SEA
2 stops31h 34m
Frontier
Deal found 3/5![Frontier logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 3/4. 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.
Sat 4/181:11 pm
BUF
- SEA
2 stops23h 16m
Frontier
Deal found 3/4![Frontier logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 3/3. 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.
Sun 4/2612:07 pm
BUF
- SEA
2 stops29h 58m
Frontier
Deal found 3/3![Frontier logo]()
$180
This Southwest deal was found by Cheapflights users on 3/1. 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 4/153:10 pm
BUF
- SEA
2 stops11h 25m
Southwest
Deal found 3/1![Southwest logo]()
$184
This Southwest deal was found by Cheapflights users on 3/3. 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 4/178:00 pm
BUF
- SEA
1 stop7h 05m
Southwest
Deal found 3/3![Southwest logo]()
$189
This Kiwi.com deal was found by Cheapflights users on 3/5. 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.
Sun 5/312:32 pm
BUF
- SEA
2 stops29h 33m
Frontier
Deal found 3/5![Frontier logo]()
$192
This Southwest deal was found by Cheapflights users on 3/3. 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 4/2411:25 am
BUF
- SEA
2 stops11h 40m
Southwest
Deal found 3/3![Southwest logo]()
$194
This Kiwi.com deal was found by Cheapflights users on 3/1. 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 5/141:08 pm
BUF
- SEA
2 stops34h 12m
Multiple Airlines
Deal found 3/1![Multiple Airlines logo]()
$198
Find flight deals from Buffalo to Seattle
Discover tips and strategies to find the most affordable flight options for your journey from Buffalo (BUF) to Seattle (SEA). 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 March 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $311 (Southwest) |
One-way from | $115 (Kiwi.com) |
Popular in | November |
Cheapest in | October |
Average price | $416 |
Cheapflights Fare Finder
Customize your flight search to find flights from Buffalo to Seattle 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 March 5, 2026.
Use the filters below to find and compare flights from Buffalo to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
BuffaloSeattle
BUF - SEA
BUFSEA
Buffalo
Thu 4/30
11:02 am-3:48 pm
1 stop7h 46m
Seattle/Tacoma Intl
Mon 5/4
11:53 pm-9:41 am
1 stop6h 48m
$335
BuffaloSeattle
BUF - SEA
BUFSEA
Buffalo
Wed 4/29
6:02 pm-10:42 pm
1 stop7h 40m
Seattle/Tacoma Intl
Sat 5/2
10:52 am-11:55 pm
2 stops10h 03m
$340
BuffaloSeattle
BUF - SEA
BUFSEA
Buffalo
Sat 3/21
7:45 pm-12:15 am
1 stop7h 30m
Seattle/Tacoma Intl
Mon 3/23
11:55 pm-10:10 am
1 stop7h 15m
$386
BuffaloSeattle
BUF - SEA
BUFSEA
Buffalo
Wed 4/29
4:00 pm-12:10 am
2 stops11h 10m
Seattle/Tacoma Intl
Sat 5/2
6:40 am-11:25 pm
2 stops13h 45m
$396
BuffaloSeattle
BUF - SEA
BUFSEA
Buffalo
Wed 5/20
6:55 pm-12:10 am
1 stop8h 15m
Seattle/Tacoma Intl
Thu 5/28
6:30 am-9:30 pm
2 stops12h 00m
$433
BuffaloSeattle
BUF - SEA
BUFSEA
Buffalo
Wed 4/1
7:00 pm-11:55 pm
1 stop7h 55m
Seattle/Tacoma Intl
Mon 4/6
11:55 pm-10:20 am
1 stop7h 25m
$446
BuffaloSeattle
BUF - SEA
BUFSEA
Buffalo
Wed 5/6
7:00 am-7:44 pm
2 stops15h 44m
Seattle/Tacoma Intl
Sat 5/9
7:00 am-11:55 pm
2 stops13h 55m
$453
BuffaloSeattle
BUF - SEA
BUFSEA
Buffalo
Fri 4/10
5:50 pm-10:15 pm
1 stop7h 25m
Seattle/Tacoma Intl
Mon 4/13
11:14 pm-11:39 am
1 stop9h 25m
$497
BuffaloSeattle
BUF - SEA
BUFSEA
Buffalo
Mon 4/13
7:45 pm-9:46 am
2 stops17h 01m
Seattle/Tacoma Intl
Mon 4/20
10:55 pm-9:47 am
1 stop7h 52m
$500
Cheapest one-way
BuffaloSeattle
BUF - SEA
BUFSEA
Buffalo
Wed 4/15
12:50 pm-6:28 pm
1 stop8h 38m
$168
Showing 1-10 of 20 resultsSorted by cheapest first
Compare providers for flights from Buffalo to Seattle
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 Buffalo to Seattle in March.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars |
- Most accurate provider: When it comes to deals on Buffalo-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Buffalo-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Buffalo-Seattle flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Buffalo-Seattle 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 Buffalo-Seattle 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 Buffalo to Seattle
Have a flexible travel schedule? Discover the best time to fly to Seattle from Buffalo with our price prediction graph.
BUF-SEA
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 Buffalo to Seattle
How far ahead should I book a flight from Buffalo to Seattle?
Use this chart to determine the optimal time to book a round-trip flight from Buffalo to Seattle. Price data was last updated on February 27, 2026.
The best time to book flights from Buffalo to Seattle is 48 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 Buffalo to Seattle?
Currently, September is the cheapest month in which you can book a flight from Buffalo to Seattle (average of $155). Flying from Buffalo to Seattle in December is currently the most expensive (average of $326). 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.
Reviews of airlines servicing Seattle
Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated March 5, 2026.
Peruse reviews from past customers who have flown with Southwest, Delta, and United Airlines from Buffalo to Seattle to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Overall
8.0
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Boarding
8.1
Overall
8.0
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Boarding
8.1
Overall
8.0
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Boarding
8.1
Overall
8.0
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Boarding
8.1
Overall
8.0
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Boarding
8.1
Overall
8.0
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Related info for your journey
Find useful and relevant information for your journey from Buffalo to Seattle. 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 Seattle?
Book flights to Seattle if you plan to visit one of these locationsTacoma
SeaTac
Lakewood
Ocean Shores
Olympia
Kent
Lynnwood
Edmonds
Lacey
Renton
Puyallup
Kirkland
Tukwila
Fife
Aberdeen
Shoreline
Marysville
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Federal Way
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Alternative routes for Buffalo to Seattle
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Complete your trip
Complete your trip to Seattle by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Buffalo to Seattle by cabin class
Find flights from Buffalo to Seattle, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Buffalo and Seattle flights
Browse other Buffalo and Seattle flight options. Last updated on March 5, 2026.
Other flights from Buffalo
Browse through other flights departing from Buffalo. Flights are based on user searches made on Cheapflights and were last updated on March 5, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Seattle
Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on March 5, 2026.
Top 6 airlines flying from Buffalo to Seattle
Discover the top 6 airlines that operate flights from Buffalo to Seattle. 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 March 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$145 | Average$273 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$150 | Average$277 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$173 | Average$473 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$268 | Average$461 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$324 | Average$448 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$335 | Average$441 | FlexibilityNo cancel fee | On-time63% |