Cheap flights from Buffalo to Seattle-Tacoma International

Round-trip
Economy
Buffalo (BUF)
Seattle (SEA)
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The best prices from Buffalo to Seattle-Tacoma International are usually found in February or October, booked 60 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

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

All the information you need to plan the best BUF to SEA flight in 2021: compare Buffalo to Seattle-Tacoma International flight prices with the expected peak season, weather and rainfall in Seattle-Tacoma International.
BUF - SEA
Price
C$ 371 - C$ 590

Popular in

December

High demand for flights, 25% potential price rise

Cheapest in

February

Best time to find cheap flights, 16% potential price drop

Round-trip from

C$ 371

From Buffalo to Seattle-Tacoma International

One-way from

C$ 320

One-way flight from Buffalo to Seattle-Tacoma International

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 Buffalo to Seattle-Tacoma International?

Departing on a Tuesday is a good option for securing a great price. You can expect to save up to 58% when planning your travel around this day of the week.

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

Travellers have found it’s best to book a flight 46 days in advance to save up to 14% 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 46 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 Buffalo to Seattle-Tacoma International 1-2 weeks in advance for as low as C$ 628, or C$ 647 for flights within the next 24 hours.

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

It’s typically best to fly out from Buffalo to Seattle-Tacoma International in the evening. Doing so could potentially save you 53% on the flight price compared to flying in the morning, which is usually more expensive.

Cheap flights from Buffalo to Seattle-Tacoma International in June, July 2021

The best prices found for BUF to SEA flights for June, July
24 Jul - 2 Aug
C$ 545pp
BUF
Buffalo
Delta
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Delta
 
1 STOP
BUF
Buffalo
24 Jun - 30 Jun
C$ 554pp
BUF
Buffalo
Multiple Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Multiple Airlines
     
3 STOPS
BUF
Buffalo
23 Jul - 2 Aug
C$ 582pp
BUF
Buffalo
Delta
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Delta
 
1 STOP
BUF
Buffalo

Buffalo to Seattle-Tacoma International 2021 flight deals

Cheap flights to Seattle-Tacoma International from Buffalo found for this year
30 Oct - 1 Nov
C$ 299pp
BUF
Buffalo
Delta
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Delta
 
1 STOP
BUF
Buffalo
30 Oct - 1 Nov
C$ 355pp
BUF
Buffalo
Delta
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Delta
 
1 STOP
BUF
Buffalo
1 Oct - 6 Oct
C$ 387pp
BUF
Buffalo
Delta
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Delta
 
1 STOP
BUF
Buffalo

Last minute flights from Buffalo to Seattle-Tacoma International

Late deals on round-trip flights to Seattle-Tacoma International from Buffalo, departing today and this week
24 Jun - 30 Jun
C$ 554pp
BUF
Buffalo
Multiple Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Multiple Airlines
     
3 STOPS
BUF
Buffalo
24 Jun - 30 Jun
C$ 625pp
BUF
Buffalo
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Multiple Airlines
     
3 STOPS
BUF
Buffalo
24 Jun - 30 Jun
C$ 710pp
BUF
Buffalo
Multiple Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
BUF
Buffalo

One-way flights to Seattle-Tacoma International from Buffalo

The cheapest one-way flights from Buffalo to Seattle-Tacoma International
3:19 p.m. - 7:44 p.m.
Frontier
1 stop
31h 25m
BUF - SEA
Frontier
C$ 320
Kiwi.com
12:35 p.m. - 2:18 p.m.
Multiple Airlines
3 stops
28h 43m
BUF - SEA
Multiple Airlines
C$ 370
Kiwi.com
3:05 a.m. - 8:40 a.m.
JetBlue
1 stop
8h 35m
BUF - SEA
JetBlue
C$ 436

Related info for your journey

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

Flight FAQs

From Buffalo to Seattle-Tacoma International

Can I find flights from Buffalo to Seattle-Tacoma International for under C$ 366 on Cheapflights?

Yes, there are multiple flights from Buffalo to Seattle-Tacoma International for under C$ 366. The cheapest flight booked recently is on Delta for just C$ 299, but on average you can expect to pay C$ 547.

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

Some of the carriers operating flights from Buffalo to Seattle/Tacoma Intl that may be offering flexible cancellation policies are American Airlines, Delta, and United Airlines. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Are there direct flights from Buffalo to Seattle-Tacoma International for under C$ 244 on Cheapflights?

There are no direct flights from Buffalo to Seattle-Tacoma International, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Are there last-minute flights available from Buffalo to Seattle-Tacoma International for under C$ 610?

There are currently 16+ open flights from Buffalo to Seattle-Tacoma International within the next 7 days for less than C$ 610.

How popular is this flight route?

Within the past month, 169 users have taken a look at flights from Buffalo to Seattle/Tacoma Intl.

Does it rain more in Buffalo or Seattle?

When travelling, we recommend packing in preparation to handle common weather conditions. The rainfall in Buffalo is typically greater than that of Seattle. We can gather that this will continue over the next 18 days.

Is Buffalo weather warmer or cooler than Seattle?

Temperatures around the 27 °C's can be experienced in July. The weather in Seattle is colder than in Buffalo. Plan for potential changes in flight availability as peak weather approaches in this location.

How long is the flight from Buffalo to Seattle-Tacoma International?

Delta, JetBlue, and Alaska Airlines can get you from Buffalo to Seattle-Tacoma International in just under 6h 44m. Your travel time can differ by up to 3h 16m. This flight may include one or multiple stops.

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

Cheapflights users have booked flights from Buffalo to Seattle-Tacoma International round-trip from C$ 299. Other airlines that can offer you cheap pricing are JetBlue, from C$ 579, and United Airlines, from C$ 610. Delta is currently priced 32% below the average price you’ll pay for this route.

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

To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at C$ 193. Delta flights start at C$ 194 while deals on Frontier start at C$ 205 one-way.

Related searches

Flights to Seattle-Tacoma International from Buffalo
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Rent a Car

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Destination information for Seattle-Tacoma International

Things to know before you go - useful duration and weather info for your trip from Buffalo to Seattle-Tacoma International.

Airports servicing Buffalo

Airports servicing Seattle

Top 5 airlines flying from Buffalo to Seattle-Tacoma International

The chart below displays the airlines Cheapflights users travelling from Buffalo to Seattle-Tacoma International 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
Frontier
C$ 121 C$ 304 No cancel fee 62%
Search Frontier flights
JetBlue
C$ 235 C$ 338 No cancel fee 62%
Search JetBlue flights
Delta
C$ 169 C$ 429 No cancel fee N/A
Search Delta flights
United Airlines
C$ 214 C$ 461 No cancel fee 69%
Search United Airlines flights
American Airlines
C$ 304 C$ 475 No cancel fee 71%
Search American Airlines flights
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