Lowest Prices
Uncover the best deals on Buffalo to Seattle flights by comparing fares from hundreds of airlines and agencies.
Good to Know: Cheapest and Fastest BUF - SEA Flights
Useful information for finding best airline tickets from Buffalo Niagara International to Seattle Tacoma International on your next trip.
Cheapest Round Trip Flight
$372
Southwest Airlines
• 1 stop
• 15h 30m
Jun 24 – Jul 01
The cheapest round trip flight from Buffalo to Seattle (BUF-SEA-BUF) is currently $372
Fastest Flight
15h 30m
The fastest nonstop flight from Buffalo to Seattle (BUF-SEA) takes 15h 30m
Top Airlines Flying from Buffalo to Seattle
Latest Flight Deals from Buffalo (BUF) to Seattle (SEA)
Compare and book low fare round-trip air tickets from Buffalo to Seattle. Ideal for travelers with confirmed return itineraries.
Jun 24 - Jul 01, Economy
Buffalo → Seattle
15h 30m
9:45 AM - 4:15 PM • 1 stop
Buffalo → Seattle
13h 45m
9:40 PM - 9:05 AM • 1 stop
Southwest Airlines
Jun 24 - Jul 01, Economy
Buffalo → Seattle
17h 35m
7:45 AM - 3:40 PM • 2 stops
Buffalo → Seattle
10h 40m
11:55 AM - 9:35 PM • 1 stop
Southwest Airlines
Jun 24 - Jul 01, Economy
Buffalo → Seattle
22h 5m
7:00 AM - 5:25 PM • 2 stops
Buffalo → Seattle
10h 15m
5:30 AM - 2:45 PM • 1 stop
Southwest Airlines
Jun 24 - Jul 01, Economy
Buffalo → Seattle
20h 40m
7:45 AM - 5:25 PM • 2 stops
Buffalo → Seattle
11h 45m
9:40 PM - 7:45 AM • 1 stop
Southwest Airlines
Jun 24 - Jul 01, Economy
Buffalo → Seattle
17h 35m
8:20 AM - 4:15 PM • 1 stop
Buffalo → Seattle
14h 5m
8:00 PM - 7:45 AM • 2 stops
Southwest Airlines
FAQs on Buffalo to Seattle Flights
What are the airports in Buffalo?
BUF
What’s the most popular airline flying from BUF to SEA?
The most popular airline flying from Buffalo to Seattle are
Can I fly from BUF to SEA non-stop?
NO
Which airlines fly nonstop between Buffalo and Seattle?
The non-stop flights between Buffalo and Seattle are .
What’s the earliest departure time from BUF to SEA Airport?
The earliest flight leaves BUF at 7:00 am and lands in SEA - Seattle Tacoma International
What are the airports in Seattle?
SEA
Can I make changes to my Buffalo to Seattle flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from BUF to SEA?
Read the fare rules of the Buffalo to Seattle air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Buffalo and Seattle?
operate flights between Buffalo and Seattle
How long does a flight from Buffalo to Seattle take?
It takes approximately 5 hour to fly non-stop from BUF to SEA, which is 2121.97 miles by air.
Which airlines provide the cheapest flights from Buffalo (BUF) to Seattle (SEA) ?
In the past couple of days, the cheapest tickets to SEA from BUF were found on WN : USD 372
Do I need a passport to fly between BUF and SEA?
No
What’s the latest departure time from BUF to SEA ?
The last flight leaves BUF at 3:25 pm
Buffalo (BUF) to Seattle (SEA): Airport Information
| Origin Airport | Buffalo Niagara International , Buffalo, US |
| Destination Airport | Seattle Tacoma International , Seattle, US |
| Distance | 2122 miles |
More Flight Options for Buffalo (BUF) and Seattle (SEA)
Flights from Buffalo (BUF)
to Orlando (MCO)
Flights from Buffalo (BUF)
to Tampa (TPA)
Flights from Buffalo (BUF)
to Miami (MIA)
Flights from Buffalo (BUF)
to Sarasota/Bradenton (SRQ)
Flights from Buffalo (BUF)
to Washington (IAD)
Flights from Buffalo (BUF)
to Phoenix (PHX)
Flights from Buffalo (BUF)
to Seattle (SEA)
Flights from Buffalo (BUF)
to Sacramento (SMF)
Flights from Buffalo (BUF)
to Fort Lauderdale (FLL)
Flights from Buffalo (BUF)
to Santiago (STI)
Flights from Buffalo (BUF)
to San Juan (SJU)
Flights from Buffalo (BUF)
to Memphis (MEM)
Flights from Buffalo (BUF)
to Las Vegas (LAS)
Flights from Buffalo (BUF)
to Raleigh/Durham (RDU)
Flights from Buffalo (BUF)
to Raleigh/Durham (RDU)
Flights from Buffalo (BUF)
to Minneapolis (MSP)
Flights from Buffalo (BUF)
to Minneapolis (MSP)
Flights from Buffalo (BUF)
to New York (JFK)
Flights from Buffalo (BUF)
to Orlando (ORL)
Flights from Buffalo (BUF)
to Atlanta (ATL)
Flights from Orlando (MCO)
to Seattle (SEA)
Flights from Denver (DEN)
to Seattle (SEA)
Flights from Ontario (ONT)
to Seattle (SEA)
Flights from Ontario (ONT)
to Seattle (SEA)
Flights from Phoenix (PHX)
to Seattle (SEA)
Flights from Los Angeles (LAX)
to Seattle (SEA)
Flights from Austin (AUS)
to Seattle (SEA)
Flights from Salt Lake City (SLC)
to Seattle (SEA)
Flights from Pittsburgh (PIT)
to Seattle (SEA)
Flights from New York (JFK)
to Seattle (SEA)
Flights from Detroit (DTW)
to Seattle (SEA)
Flights from San Diego (SAN)
to Seattle (SEA)
Flights from Sioux Falls (FSD)
to Seattle (SEA)
Flights from Burbank (BUR)
to Seattle (SEA)
Flights from Dallas (DFW)
to Seattle (SEA)
Flights from Dallas (DFW)
to Seattle (SEA)
Flights from Oakland (OAK)
to Seattle (SEA)
Flights from Pasco (PSC)
to Seattle (SEA)
Flights from Kahului (OGG)
to Seattle (SEA)
Flights from Las Vegas (LAS)
to Seattle (SEA)
Cheap flights to North America (NA)
Cheap flights to United States (US)
Cheap flights to Washington (US-WA)
Cheap flights to New York (US-NY)
Cheap flights from North America (NA)
Cheap flights from United States (US)
Cheap flights from Washington (US-WA)
Cheap flights from New York (US-NY)
Flights to Buffalo (BUF)
Flights to Seattle (SEA)
Flights from Buffalo (BUF)
Flights from Seattle (SEA)
Flights from Seattle (SEA)
to Buffalo (BUF)
Why Fareleaders for BUF to SEA Plane Tickets
New Deals Everyday
Get the best prices on BUF to SEA flights—we update our fares daily so you never miss a saving.
No Service Fees
Compare hundreds of Buffalo to Seattle flights and secure the best deals—we never add any service fees.