$120 Cheap Flights from Seattle (SEA) to Buffalo (BUF)

Bundle Your Flight + Hotel & Save!

Flight deals we found

These prices are lower than our typical predictions for similar flights.
55% less than typical
$520
Roundtrip per traveler
Mon, Jun 24 - Wed, Jun 26
JetBlue AirwaysJetBlue Airways
7h 52m
11:38pm
10:30am
+1
SEA
1 stop • 1h 1m in JFK
BUF
Found 2 hours ago
60% less than typical
$260
Roundtrip per traveler
Fri, May 31 - Wed, Jun 5
UnitedUnited
8h 11m
12:10pm
11:21pm
SEA
1 stop • 1h 16m in EWR
BUF
Found 3 hours ago
50% less than typical
$309
Roundtrip per traveler
Mon, Jun 17 - Thu, Jun 20
JetBlue AirwaysJetBlue Airways
7h 50m
8:50pm
7:40am
+1
SEA
1 stop • 55m in BOS
BUF
Found 23 hours ago
50% less than typical
$322
Roundtrip per traveler
Thu, Aug 29 - Sun, Sep 1
American AirlinesAmerican Airlines
8h 40m
6:00am
5:40pm
SEA
1 stop • 3h 4m in ORD
BUF
Found 10 hours ago
55% less than typical
$255
Roundtrip per traveler
Tue, Jun 11 - Wed, Jun 12
American AirlinesAmerican Airlines
9h 3m
5:53am
5:56pm
SEA
1 stop • 2h 15m in CLT
BUF
Found 2 hours ago
45% less than typical
$341
Roundtrip per traveler
Sun, Jun 16 - Thu, Jun 20
JetBlue AirwaysJetBlue Airways
7h 52m
11:38pm
10:30am
+1
SEA
1 stop • 1h 1m in JFK
BUF
Found 23 hours ago
45% less than typical
$349
Roundtrip per traveler
Mon, Jun 17 - Fri, Jun 21
JetBlue AirwaysJetBlue Airways
7h 50m
8:50pm
7:40am
+1
SEA
1 stop • 55m in BOS
BUF
Found 23 hours ago
40% less than typical
$381
Roundtrip per traveler
Sun, Jun 16 - Fri, Jun 21
JetBlue AirwaysJetBlue Airways
7h 52m
11:38pm
10:30am
+1
SEA
1 stop • 1h 1m in JFK
BUF
Found 23 hours ago
40% less than typical
$378
Roundtrip per traveler
Thu, Aug 29 - Mon, Sep 2
American AirlinesAmerican Airlines
8h 40m
6:00am
5:40pm
SEA
1 stop • 3h 4m in ORD
BUF
Found 10 hours ago
35% less than typical
$417
Roundtrip per traveler
Thu, Jun 13 - Fri, Jun 21
American AirlinesAmerican Airlines
9h 3m
5:53am
5:56pm
SEA
1 stop • 2h 15m in CLT
BUF
Found 18 hours ago
25% less than typical
$496
Roundtrip per traveler
Fri, May 24 - Sun, May 26
UnitedUnited
8h 16m
10:25pm
9:41am
+1
SEA
1 stop • 1h 56m in IAD
BUF
Found 13 hours ago

Featured airlines

Top nine airline logos for desktop

    Plan, book, fly with confidence
    trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
    bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
    one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash

Cheap Flights from Seattle to Buffalo (SEA-BUF)

Prices were available within the past 7 days and start at $120 for one-way flights and $228 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Frontier Airlines
Frontier Airlines
JetBlue Airways
Frontier Airlines
Frontier Airlines
JetBlue Airways
Frontier Airlines
United
American Airlines
Flights from Seattle (SEA) to Buffalo (BUF)
Origin airport
Seattle - Tacoma Intl.
Destination airport
Buffalo Niagara Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, JetBlue Airways, Sun Country Airlines, United
Roundtrip price
$228
Distance
2116 mi

Seattle to Buffalo Flights

Whether you’re looking for a grand adventure or just want to get away for a last-minute break, flights from Seattle to Buffalo offer the perfect respite. Not only does exploring Buffalo provide the chance to make some magical memories, dip into delectable dishes, and tour the local landmarks, but the cheap airfare means you won’t bust your budget. So no matter whether your ideal itinerary involves flying one way, non-stop, or round trip, you’re bound to find flights that match your schedule on Expedia, and at prices that won’t shock your wallet.

Bagging a cheap flight from Seattle to Buffalo may mean more dollars to spend on for one-of-a-kind souvenirs when you arrive, but it doesn’t mean you have to skimp on your travel experience, as Expedia offers a sizzling selection of cheap airlines that’ll put you in your happy place on their planes, whether that’s getting lost in a hair-raising airport thriller, dreaming on the passing landscape over a glass of bubbly, or jotting down your vacation bucket list at 38,000 feet. There’s also bound to be plenty of opportunities to snap a few photos of the high life that will make your friends green with envy. After all, enjoying the journey is part of the fun.

With so many affordable flights and so many wonderful adventures awaiting you, there’s no reason to put off booking a fantastic flight from to today. So don’t leave it to the last minute to make your dream trip a reality: pack your bags with your go-to travel accessories, put together your list of must-see attractions and can’t-miss activities, and get ready to broaden your horizons – with Expedia, the wonders of Buffalo are only a plane trip away. Book your travel arrangements with us today!

If you would like to book flights to Buffalo more flexibly many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Buffalo is $120 now!

Frequently asked questions

How much is a flight from SEA to BUF?
If you’re planning on traveling between Sea-Tac Airport and Buffalo Niagara International Airport, round-trip journeys start from $228. This price is based on airfares available within the last 7 days on Expedia for flights departing within the next year, so don’t hang around. Book now and save yourself money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from SEA to Buffalo Niagara Intl. Airport (BUF)?
We get that things come up unexpectedly, so we’ve made it as easy as possible for you to cancel your trip online. Just visit the Customer Service Portal and follow the instructions.
How do I find cheap flights from SEA to Buffalo Niagara International Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for Sea-Tac Airport to BUF flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from SEA to Buffalo Niagara Intl. Airport (BUF)?
The flying distance between Seattle - Tacoma Intl. Airport (SEA) and Buffalo Niagara International Airport is 2113 mi. Listen to your favorite tunes or finish that novel and the journey will zip by.
Which airlines fly direct from Sea-Tac Airport to Buffalo Niagara International Airport?
Unfortunately, there are no airlines that fly direct between SEA and BUF. You’ll need to book a flight with one or more stops.
Are Seattle - Tacoma Intl. Airport (SEA) to Buffalo Niagara Intl. Airport (BUF) flight tickets cheaper when they're purchased at the last minute?
Tickets from SEA to BUF are available up to 12 months before departure on Expedia. And although you may occasionally nab great last-minute deal, it’s never a sure thing. Also, booking your flights ahead of time means you’ll have more options — and you can avoid landing the dreaded middle seat! We’re constantly updating our fares to make sure you get the biggest bargains, so check back often for all the latest specials.
Seattle nearby Airports

Seattle Paine Field Intl. Airport

*Available to One Key members.