
Popular airlines from Seattle-Tacoma International Airport (SEA) to Buffalo Niagara Intl. Airport (BUF)
- Delta
Delta
- Alaska Airlines
Alaska Airlines
- JetBlue Airways
JetBlue Airways
- American Airlines
American Airlines
- United
United
- Sun Country Airlines
Sun Country Airlines
- Plan, book, fly with confidence
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Cheap flights from Seattle (SEA) to Buffalo (BUF)
Prices were available within the past 7 days and start at CA $209 for one-way flights and CA $420 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.









Find the cheapest month to fly from Seattle (SEA) to Buffalo (BUF)
September is typically the cheapest month to fly
Graph displaying average flight prices per month
Origin airport | Seattle - Tacoma Intl. |
Destination airport | Buffalo Niagara Intl. |
Airlines serving | Alaska Airlines, American Airlines, Delta, JetBlue Airways, Sun Country Airlines, United |
Roundtrip price | CA $420 |
Distance | 3385 km |
Seattle to Buffalo Flights
The easy way to book your flights from Seattle to Buffalo
With Expedia, it’s simple to find and book flights to Buffalo from Seattle whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Buffalo Niagara Intl., too.
Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Seattle to Buffalo today, tomorrow, or this week.
Save dollars with cheap flights from Seattle - Tacoma Intl., SEA to Buffalo Niagara Intl., BUF
Sort your search results by price to find great deals on your flight from Seattle to Buffalo—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Buffalo from Seattle currently is just CA $420 rising to CA $620.
Here are more money-saving tips:
- Fly in September when flight prices are normally at their lowest
- Book about a month to 6 weeks before you travel for the best prices to Buffalo
- Avoid peak season and weekends when flights can cost more
- Early morning and late-night flights are sometimes cheaper, so try varying your travel times
- One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free!
Reasons to choose Expedia for your flight to Buffalo from Seattle
Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Buffalo with Expedia today.
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