$189+ Cheap flights from Seattle to Buffalo (SEA - BUF)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/24. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BUF
Dec 5 — Dec 121
Round-trip
1 adult, Economy
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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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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 November 5, 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 November 5, 2026.
This Delta deal was found by Cheapflights users on 11/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/511:50 am -
1 stop9h 14m
Fri 12/116:00 am -
1 stop9h 41m
Deal found 11/3![Delta logo]()
$377
This United Airlines deal was found by Cheapflights users on 11/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/57:00 am -
1 stop6h 57m
Sat 12/1210:00 am -
2 stops11h 24m
Deal found 11/3![United Airlines logo]()
$382
This American Airlines deal was found by Cheapflights users on 11/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/56:20 am -
1 stop8h 43m
Sat 12/1211:56 am -
2 stops11h 35m
Deal found 11/1![American Airlines logo]()
$397
This Delta deal was found by Cheapflights users on 11/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/66:00 am -
1 stop6h 19m
Mon 12/1412:11 pm -
1 stop11h 39m
Deal found 11/3![Delta logo]()
$412
This United Airlines deal was found by Cheapflights users on 11/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/510:48 am -
2 stops9h 46m
Sun 12/136:30 am -
1 stop8h 14m
Deal found 11/3![United Airlines logo]()
$417
This United Airlines deal was found by Cheapflights users on 11/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/55:05 am -
2 stops8h 52m
Fri 12/118:17 am -
2 stops11h 05m
Deal found 11/3![United Airlines logo]()
$419
This Southwest deal was found by Cheapflights users on 11/3. 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.
Sun 12/66:25 pm -
2 stops11h 00m
Sat 12/126:00 am -
2 stops13h 05m
Deal found 11/3![Southwest logo]()
$422
This Southwest deal was found by Cheapflights users on 11/3. 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.
Sat 12/55:30 am -
2 stops13h 55m
Fri 12/114:55 pm -
2 stops11h 25m
Deal found 11/3![Southwest logo]()
$450
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 November 5, 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 November 5, 2026.
This Delta deal was found by Cheapflights users on 11/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/41:36 pm -
1 stop7h 25m
Sat 12/125:24 pm -
1 stop9h 31m
Deal found 11/3![Delta logo]()
$377
This American Airlines deal was found by Cheapflights users on 10/31. 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.
Fri 12/119:15 am -
1 stop10h 39m
Tue 12/1512:12 pm -
2 stops11h 19m
Deal found 10/31![American Airlines logo]()
$397
This United Airlines deal was found by Cheapflights users on 11/1. 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.
Sat 12/55:05 am -
2 stops8h 52m
Sat 12/1210:00 am -
2 stops11h 24m
Deal found 11/1![United Airlines logo]()
$398
This Southwest deal was found by Cheapflights users on 10/31. 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 11/218:15 pm -
2 stops11h 10m
Mon 11/234:55 pm -
2 stops11h 25m
Deal found 10/31![Southwest logo]()
$489
This Delta deal was found by Cheapflights users on 11/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/66:00 am -
1 stop6h 19m
Wed 12/96:00 am -
1 stop9h 41m
Deal found 11/3![Delta logo]()
$412
This United Airlines deal was found by Cheapflights users on 11/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/911:33 pm -
1 stop8h 16m
Sat 12/128:17 am -
1 stop8h 32m
Deal found 11/2![United Airlines logo]()
$507
This Southwest deal was found by Cheapflights users on 10/31. 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 11/205:30 am -
1 stop12h 45m
Sun 11/223:05 pm -
2 stops12h 30m
Deal found 10/31![Southwest logo]()
$558
This United Airlines deal was found by Cheapflights users on 10/31. 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.
Fri 12/117:30 pm -
2 stops11h 14m
Tue 12/1510:00 am -
2 stops11h 24m
Deal found 10/31![United Airlines logo]()
$517
This Southwest deal was found by Cheapflights users on 11/4. 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.
Fri 12/2511:20 am -
1 stop6h 35m
Mon 12/287:25 pm -
1 stop8h 55m
Deal found 11/4![Southwest logo]()
$573
This United Airlines deal was found by Cheapflights users on 11/4. 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.
Sun 12/68:09 am -
1 stop8h 10m
Sat 12/1210:00 am -
2 stops14h 21m
Deal found 11/4![United Airlines logo]()
$548
This Southwest deal was found by Cheapflights users on 11/1. 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.
Sat 12/2612:15 am -
1 stop6h 50m
Sun 1/37:25 pm -
1 stop8h 55m
Deal found 11/1![Southwest logo]()
$608
Last-minute flights from Seattle to BuffaloDiscover last-minute flight deals from Seattle to Buffalo. Data last updated November 5, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Buffalo. Data last updated November 5, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 11/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/56:00 am -
1 stop6h 19m
Sat 12/1212:06 pm -
1 stop9h 37m
Deal found 11/3![Delta logo]()
$377
This United Airlines deal was found by Cheapflights users on 11/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/57:00 am -
1 stop6h 57m
Sat 12/1210:00 am -
2 stops11h 24m
Deal found 11/3![United Airlines logo]()
$382
This American Airlines deal was found by Cheapflights users on 11/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/56:20 am -
1 stop8h 43m
Sat 12/1211:56 am -
2 stops11h 35m
Deal found 11/1![American Airlines logo]()
$397
This United Airlines deal was found by Cheapflights users on 11/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/510:48 am -
2 stops9h 46m
Sun 12/136:30 am -
1 stop8h 14m
Deal found 11/3![United Airlines logo]()
$417
This United Airlines deal was found by Cheapflights users on 11/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/55:05 am -
2 stops8h 52m
Fri 12/118:17 am -
2 stops11h 05m
Deal found 11/3![United Airlines logo]()
$419
This Southwest deal was found by Cheapflights users on 11/3. 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.
Sat 12/55:30 am -
2 stops13h 55m
Fri 12/114:55 pm -
2 stops11h 25m
Deal found 11/3![Southwest logo]()
$450
This United Airlines deal was found by Cheapflights users on 11/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/67:00 am -
1 stop6h 57m
Sat 12/123:00 pm -
1 stop9h 01m
Deal found 11/3![United Airlines logo]()
$412
This Southwest deal was found by Cheapflights users on 11/3. 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.
Sun 12/66:25 pm -
2 stops11h 00m
Sat 12/126:00 am -
2 stops13h 05m
Deal found 11/3![Southwest logo]()
$422
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 November 5, 2026.
Search for one-way flight options from Seattle to Buffalo. Find affordable one-way fares based on user searches. Data last updated November 5, 2026.
This Delta deal was found by Cheapflights users on 11/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/237:15 am -
1 stop8h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Delta logo]()
$189
This United Airlines deal was found by Cheapflights users on 10/31. 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.
Sat 12/127:30 pm -
2 stops11h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/31![United Airlines logo]()
$194
This United Airlines deal was found by Cheapflights users on 10/31. 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 12/2210:50 pm -
1 stop7h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/31![United Airlines logo]()
$204
This United Airlines deal was found by Cheapflights users on 11/1. 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.
Thu 12/247:25 pm -
2 stops11h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![United Airlines logo]()
$218
This Delta deal was found by Cheapflights users on 11/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/67:15 am -
1 stop8h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Delta logo]()
$224
This United Airlines deal was found by Cheapflights users on 11/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/297:10 pm -
2 stops11h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![United Airlines logo]()
$226
This United Airlines deal was found by Cheapflights users on 11/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/67:30 pm -
2 stops11h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![United Airlines logo]()
$229
This United Airlines deal was found by Cheapflights users on 11/1. 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 12/2310:50 pm -
1 stop7h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![United Airlines logo]()
$242
This Delta deal was found by Cheapflights users on 11/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/116:00 am -
1 stop8h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Delta logo]()
$254
This United Airlines deal was found by Cheapflights users on 11/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/237:00 am -
2 stops12h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![United Airlines logo]()
$259
This Southwest deal was found by Cheapflights users on 11/1. 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 12/238:30 pm -
2 stops11h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Southwest logo]()
$276
This Southwest deal was found by Cheapflights users on 11/4. 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.
Sat 12/265:50 am -
1 stop6h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Southwest logo]()
$289
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 November 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $377 (Delta) |
One-way from | $189 (Delta) |
Popular in | December |
Cheapest in | March |
Average price | $476 |
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 7,457,451 searches. Data last updated November 5, 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
Quickest round-trip
SeattleBuffalo
SEA Seattle/Tacoma Intl - BUF Buffalo
SEABUF
Seattle/Tacoma Intl
Thu 12/24
11:59 pm-10:17 am
1 stop7h 18m
Buffalo
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$189
SeattleBuffalo
SEA Seattle/Tacoma Intl - BUF Buffalo
SEABUF
Seattle/Tacoma Intl
Wed 12/16
1:36 pm-12:01 am
1 stop7h 25m
Buffalo
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$189
SeattleBuffalo
SEA Seattle/Tacoma Intl - BUF Buffalo
SEABUF
Seattle/Tacoma Intl
Sat 12/12
10:49 am-9:49 pm
1 stop8h 00m
Buffalo
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$189
SeattleBuffalo
SEA Seattle/Tacoma Intl - BUF Buffalo
SEABUF
Seattle/Tacoma Intl
Wed 12/30
7:10 pm-9:45 am
2 stops11h 35m
Buffalo
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$194
SeattleBuffalo
SEA Seattle/Tacoma Intl - BUF Buffalo
SEABUF
Seattle/Tacoma Intl
Sat 12/12
7:30 pm-9:44 am
2 stops11h 14m
Buffalo
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$194
SeattleBuffalo
SEA Seattle/Tacoma Intl - BUF Buffalo
SEABUF
Seattle/Tacoma Intl
Thu 12/24
7:25 pm-9:43 am
2 stops11h 18m
Buffalo
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$218
SeattleBuffalo
SEA Seattle/Tacoma Intl - BUF Buffalo
SEABUF
Seattle/Tacoma Intl
Tue 12/29
7:10 pm-9:45 am
2 stops11h 35m
Buffalo
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$226
SeattleBuffalo
SEA Seattle/Tacoma Intl - BUF Buffalo
SEABUF
Seattle/Tacoma Intl
Mon 12/21
6:30 am-9:35 pm
2 stops12h 05m
Buffalo
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$259
SeattleBuffalo
SEA Seattle/Tacoma Intl - BUF Buffalo
SEABUF
Seattle/Tacoma Intl
Sun 12/20
8:30 pm-10:05 am
2 stops10h 35m
Buffalo
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$259
SeattleBuffalo
SEA Seattle/Tacoma Intl - BUF Buffalo
SEABUF
Seattle/Tacoma Intl
Wed 12/23
8:30 pm-10:40 am
2 stops11h 10m
Buffalo
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$276
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 November.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 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 80 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, March is the cheapest month in which you can book a flight from Seattle to Buffalo (average of $387). 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?
Airfare is typical for this route at the moment.
Seattle to Buffalo flights typically cost between $376 and $602 in December.The cheapest round-trip price found within the last 5 days was $377 on Delta (Dec 5-Dec 12).
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 November 5, 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
Crew
8.6
Entertainment
7.5
Boarding
8.1
Overall
8.0
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Food
7.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Overall
8.0
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Food
7.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Overall
8.0
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Food
7.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Overall
8.0
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Food
7.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Overall
8.0
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Food
7.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Overall
8.0
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
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 locationsCheektowaga
Lockport
Amherst
Williamsville
Orchard Park
Eden
Bowmansville
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Alternative routes for Seattle to Buffalo
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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 November 5, 2026.
Complete your trip
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Seattle and Buffalo flights
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Other flights from Seattle
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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 7,457,451 searches. Data last updated November 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$131 | Average$411 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$310 | Average$518 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$337 | Average$488 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$358 | Average$550 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$389 | Average$539 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$648 | Average$800 | FlexibilityNo cancel fee | On-time75% |