Cheap flights from Seattle to Buffalo (SEA - BUF)

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The best prices from Seattle/Tacoma Intl to Buffalo are usually found in August or February, booked 56 days in advance, depart on a Thursday or Wednesday and return on a Wednesday

How to find the cheapest flight from
Seattle (SEA) to Buffalo (BUF)

All the information you need to plan the best SEA to BUF flight in 2022: compare Seattle to Buffalo flight prices with the expected peak season, weather and rainfall in Buffalo.
SEA - BUF
Price
$299 - $472
BUF
Temperature
24.8 - 71.6 °F
BUF
Rainfall
2.5 - 4 inches

Popular in

December

High demand for flights, 23% potential price rise

Cheapest in

August

Best time to find cheap flights, 18% potential price drop

Average price

$364

Average for round-trip flights in May 2022

Round-trip from

$299

From Seattle/Tacoma Intl to Buffalo

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Seattle to Buffalo?

Saturday flights are found to be more expensive to fly from Seattle to Buffalo. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Buffalo.

What is the cheapest month to fly from Seattle to Buffalo?

The best pricing can be found in the month of August. Prices to Buffalo from Seattle average $365. You can even find prices in August for less than $365, as users have found deals to Buffalo from as low as $170. The month of December appears to be one of the more expensive times to travel to Buffalo from Seattle. Flying in the targeted month can save you up to 29%.

How far in advance should I book a flight from Seattle to Buffalo?

Travelers have found it’s best to book a flight 56 days in advance to save up to 47% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 56 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Seattle to Buffalo 1-2 weeks in advance for as low as $391, or $525 for flights within the next 24 hours.

When is the cheapest time to fly from Seattle to Buffalo (SEA - BUF)?

One of the essential ways to save on airfare from Seattle to Buffalo is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the afternoon could potentially save you up to 18% on airfare.

Cheap flights from Seattle to Buffalo in May, June 2022

The best prices found for SEA to BUF flights for May, June
1 Jun - 5 Jun
$543pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
BUF
Buffalo
BUF
Buffalo
Multiple Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
1 Jun - 6 Jun
$549pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
BUF
Buffalo
BUF
Buffalo
Multiple Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
3 Jun - 5 Jun
$560pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
BUF
Buffalo
BUF
Buffalo
Multiple Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl

Seattle/Tacoma Intl to Buffalo 2022 flight deals

Cheap flights to Buffalo from Seattle found for this year
19 Oct - 26 Oct
$356pp
SEA
Seattle/Tacoma Intl
American Airlines
 
1 STOP
BUF
Buffalo
BUF
Buffalo
American Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
18 Oct - 26 Oct
$358pp
SEA
Seattle/Tacoma Intl
American Airlines
 
1 STOP
BUF
Buffalo
BUF
Buffalo
American Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
19 Oct - 26 Oct
$361pp
SEA
Seattle/Tacoma Intl
American Airlines
 
1 STOP
BUF
Buffalo
BUF
Buffalo
American Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl

Last minute flights from Seattle to Buffalo

Late deals on round-trip flights to Buffalo from Seattle, departing today and this week
26 May - 31 May
$734pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
BUF
Buffalo
BUF
Buffalo
Multiple Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
25 May - 28 May
$738pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
BUF
Buffalo
BUF
Buffalo
Multiple Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
23 May - 27 May
$784pp
SEA
Seattle/Tacoma Intl
Delta
 
1 STOP
BUF
Buffalo
BUF
Buffalo
Delta
 
1 STOP
SEA
Seattle/Tacoma Intl

One-way flights to Buffalo from Seattle

The cheapest one-way flights from Seattle to Buffalo
7:59 pm - 5:46 am
United Airlines
1 Stop
6h 47m
SEA - BUF
United Airlines
$319
United
2:00 am - 7:45 am
Multiple Airlines
2 Stops
26h 45m
SEA - BUF
Multiple Airlines
$320
Kiwi.com
1:00 pm - 10:49 am
Frontier
2 Stops
18h 49m
SEA - BUF
Frontier
$324
Kiwi.com

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Seattle</span> to <span class="emphasized">Buffalo</span> flights.

Flight FAQs

From Seattle to Buffalo

Which airlines flying from Seattle/Tacoma Intl to Buffalo have flexible cancellations due to COVID-19?

Some of our airline partners flying from Seattle/Tacoma Intl to Buffalo have new flexible policies in place due to COVID-19. Delta, United Airlines, and American Airlines are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like Delta with this kind of flexibility.

Can I find flights from Seattle to Buffalo for under $400 on Cheapflights?

Yes, there are multiple flights from Seattle to Buffalo for under $400. The cheapest flight booked recently is on American Airlines for just $356, but on average you can expect to pay $381.

Are there last-minute flights available from Seattle to Buffalo for under $800?

There are currently 20+ open flights from Seattle to Buffalo within the next 7 days for less than $800.

How popular is this Seattle to Buffalo flight route?

Within the past month, 31 users have taken a look at flights from Seattle/Tacoma Intl to Buffalo.

What are the cheapest airlines flying from Seattle to Buffalo round-trip?

Our cheapest airline available from Seattle to Buffalo is American Airlines. Our recent data shows that you can find tickets from as low as $356 on this airline. Additional options worth looking into are United Airlines and JetBlue, starting at $378 and $394 round-trip. American Airlines is 2% cheaper than the average price of flights available within the next 90 days to this destination.

What are the cheapest airlines to fly from Seattle to Buffalo one-way?

$182 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Sun Country Air and American Airlines, with prices starting from $259 and $269, respectively.

What are the cheapest flights from Seattle to Buffalo?

Looking for the cheapest flight from Seattle to Buffalo? While on average our users pay $815, our data indicates the cheapest price to be $157. The most popular route (Seattle/Tacoma Intl - Buffalo), is priced around $384.

What are the most popular airlines that fly from Seattle to Buffalo?

Before booking your flight from Seattle to Buffalo check out the most popular airlines for this route: American Airlines, Alaska Airlines or JetBlue.

COVID Restrictions

View COVID Travel Restrictions for Buffalo, NY

Do I need a COVID test to fly to Buffalo from Seattle?

Information is based on travel restrictions for travel to Buffalo within the United States

Most visitors from Seattle/Tacoma Intl need to provide a negative COVID-19 test result and/or quarantine to enter Buffalo.

COVID-19 testing requirements
Visitors from Seattle/Tacoma Intl must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 1 day for RT-PCR (NAAT) and 1 day for Antigen (quick-test) before departing to Buffalo.

Quarantine requirements
Visitors from Seattle/Tacoma Intl are not required to quarantine after entering Buffalo.

Do I need a test to fly back to Seattle from Buffalo?

Returning to Seattle/Tacoma Intl from Buffalo

COVID-19 testing requirements
Visitors from Buffalo must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 1 day for RT-PCR (NAAT) and 1 day for Antigen (quick-test) before departing to Seattle/Tacoma Intl.

Quarantine requirements
Visitors from Buffalo are not required to quarantine after entering Seattle/Tacoma Intl.

Hide COVID Travel Restrictions for Buffalo, NY

Alternative routes for Seattle to Buffalo

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for Buffalo

Things to know before you go - useful duration and weather info for your trip from Seattle to Buffalo.
Average temperature for May in Buffalo
68.0 °F
Avg rainfall for May in Buffalo
3.6 ″

Airports servicing Seattle

Airports servicing Buffalo

Top 6 airlines flying from Seattle/Tacoma Intl to Buffalo

The chart below displays the airlines Cheapflights users traveling from Seattle to Buffalo choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
JetBlue
$133 $402 No cancel fee 62%
Frontier
$148 $316 No cancel fee 62%
United Airlines
$179 $448 No cancel fee 69%
Delta
$238 $470 No cancel fee N/A
American Airlines
$257 $495 No cancel fee 71%
Alaska Airlines
$284 $528 No cancel fee 75%
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