Cheap flights from Buffalo to Seattle

Round-trip
Economy
Buffalo (BUF)
Seattle (SEA)
Depart
Return
Any month
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The best prices from Buffalo to Seattle 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 (SEA)

All the information you need to plan the best BUF to SEA flight in 2021: compare Buffalo to Seattle flight prices with the expected peak season, weather and rainfall in Seattle.
BUF - SEA
Price
C$ 382 - C$ 608
SEA
Temperature
8 - 25 °C
SEA
Rainfall
18 - 166 mm

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$ 382

From Buffalo to Seattle

One-way from

C$ 197

One-way flight from Buffalo to Seattle

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?

Saturday flights are found to be more expensive to fly from Buffalo to Seattle. 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 Seattle.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 46 days in advance, which can save you up to 14% on flights from Buffalo to Seattle compared to booking the week you need them. Waiting 46 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at C$ 647. For sooner than that we have options available in the next 3 days from C$ 666.

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

A simple way to save on the total cost of your ticket is to fly from Buffalo to Seattle in the evening. If you’re flexible enough to do this you can expect to save up to 52% on your trip compared to booking a flight in the morning.

Cheap flights from Buffalo to Seattle in April, May 2021

The best prices found for BUF to SEA flights for April, May
7 May - 11 May
C$ 396pp
BUF
Buffalo
Delta
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Delta
 
1 STOP
BUF
Buffalo
13 May - 16 May
C$ 398pp
BUF
Buffalo
Delta
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Delta
 
1 STOP
BUF
Buffalo
29 Apr - 2 May
C$ 444pp
BUF
Buffalo
Delta
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Delta
 
1 STOP
BUF
Buffalo

Buffalo to Seattle 2021 flight deals

Cheap flights to Seattle from Buffalo found for this year
27 Sep - 11 Oct
C$ 373pp
BUF
Buffalo
United Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
United Airlines
 
1 STOP
BUF
Buffalo
27 Sep - 11 Oct
C$ 378pp
BUF
Buffalo
United Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
United Airlines
   
2 STOPS
BUF
Buffalo
7 May - 12 May
C$ 396pp
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

Late deals on round-trip flights to Seattle from Buffalo, departing today and this week
23 Apr - 3 May
C$ 464pp
BUF
Buffalo
Delta
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Delta
 
1 STOP
BUF
Buffalo
23 Apr - 3 May
C$ 489pp
BUF
Buffalo
Delta
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Delta
 
1 STOP
BUF
Buffalo
22 Apr - 28 Apr
C$ 599pp
BUF
Buffalo
Delta
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Delta
 
1 STOP
BUF
Buffalo

One-way flights to Seattle from Buffalo

The cheapest one-way flights from Buffalo to Seattle
2:00 a.m. - 10:03 a.m.
Delta
1 stop
11h 03m
BUF - SEA
Delta
C$ 198
Delta
9:45 a.m. - 2:15 p.m.
Delta
1 stop
7h 30m
BUF - SEA
Delta
C$ 200
Delta
7:40 a.m. - 5:58 p.m.
Delta
1 stop
13h 18m
BUF - SEA
Delta
C$ 207
Delta

Related info for your journey

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

Flight FAQs

From Buffalo to Seattle

Can I find flights from Buffalo to Seattle for under C$ 377 on Cheapflights?

Yes, there are multiple flights from Buffalo to Seattle for under C$ 377. The cheapest flight booked recently is on United Airlines for just C$ 373, but on average you can expect to pay C$ 445.

What safety measures are being taken by airlines flying from Buffalo to Seattle/Tacoma Intl to control the spread of COVID-19?

Airlines globally have implemented additional safety measures to accommodate you. Delta is one of them. New policies for travellers booking flights from Buffalo to Seattle/Tacoma Intl include masks being provided and required on board, daily cleaning and sanitization, use of HEPA filters, pre-flight testing for antibodies and symptoms, and socially-distanced seating (for a limited time). Keep in mind that policies will vary by airline.

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 for under C$ 377 on Cheapflights?

There are no direct flights from Buffalo to Seattle, 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 for under C$ 503?

There are currently 3+ open flights from Buffalo to Seattle within the next 7 days for less than C$ 503.

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 similar to Seattle. We can gather that this will continue over the next 19 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?

Departing from Buffalo to Seattle will take you 8h 22m. This flight may include one or multiple stops.

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

United Airlines, at C$ 374, was found to be the cheapest airline from Buffalo to Seattle.Alternate airlines to your destination round-trip include Delta and Alaska Airlines. United Airlines is currently priced 18% below the average price you’ll pay for this route.

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

To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at C$ 198. Delta is not the only option available. At the moment, Alaska Airlines is another option, for C$ 279.

Destination information for Seattle

Things to know before you go - useful duration and weather info for your trip from Buffalo to Seattle.
Average temperature for April in Seattle
16.0 °C
Avg rainfall for April in Seattle
75.0 mm

Airports servicing Buffalo

Airports servicing Seattle

Top 5 airlines flying from Buffalo to Seattle

The chart below displays the airlines Cheapflights users travelling from Buffalo to Seattle 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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