Cheap Flights from Buffalo (BUF) to Seattle (BFI)

Popular airlines from Buffalo Niagara Intl. Airport (BUF) to Seattle, WA (BFI-Boeing Field)

Alternative airports near Seattle

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Seattle - Tacoma Intl. SEA. Cheapest option available. Average driving time to city center is 20 minutes. Flights from $478
SEA
Seattle - Tacoma Intl.
Cheapest
Average driving time to city center20 min
Flights from $478

Frequently asked questions

How much does a flight from Buffalo Niagara Intl. Airport (BUF) to Boeing Field Airport (BFI) cost?
Lock in a cheap one-way flight or cheap return flight from Buffalo Niagara Intl. Airport (BUF) to Boeing Field Airport (BFI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Buffalo Niagara Intl. Airport (BUF) to Boeing Field Airport (BFI)?
Flying in may help you find better deals, as it's the cheapest month for flights between BUF and BFI. You'll often find the lowest fares during the off-season.
What is the cheapest airline that flies from Buffalo Niagara Intl. Airport (BUF) to Boeing Field Airport (BFI)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest BUF to BFI flight.
How many flights per day from Buffalo Niagara Intl. Airport (BUF) to Boeing Field Airport (BFI)?
Nonstop flights from Buffalo Niagara Intl. Airport (BUF) to Boeing Field Airport (BFI) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from BUF to BFI?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Buffalo Niagara Intl. Airport (BUF) to Boeing Field Airport (BFI)?
Book a flight from Buffalo Niagara Intl. Airport (BUF) to Boeing Field Airport (BFI) that takes off before 3 PM to reduce the risk of delays and cancellations. Departures after this hour have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Buffalo Niagara Intl. Airport (BUF) to Boeing Field Airport (BFI) last-minute?
Last-minute fares from BUF to BFI are generally more expensive. To secure the best rates, start searching for flights early. That being said, if your travel plans are flexible, you may land a cheap ticket just before your departure.
Is it cheaper to book a BUF to BFI flight and hotel package?
You'll generally save money by securing a BUF to BFI flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one convenient place. Once you've selected your preferred accommodations and flights, consider adding extras including car rentals, tours and activities.
Can I cancel or change the date of my flight from Buffalo Niagara Intl. Airport (BUF) to Boeing Field Airport (BFI)?
In most cases, you're able to reschedule or cancel your BUF to BFI flight. However, there may be additional fees, especially if you made your booking over 24 hours ago. Check your itinerary for the airline's fees and rules on flight changes, or if you need more information, go to our Customer Service portal.

Travel information

Origin airport
Buffalo Niagara Intl.
Destination airport
Boeing Field
Distance
2115 mi

Book with confidence

Buffalo to Seattle Flights

The cheapest times to fly from Buffalo to Seattle

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Buffalo to Seattle are during the month of . You can find some of the cheapest flights from Buffalo to Seattle with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Buffalo to Seattle

Sunday is one of the best days to book for cheap flights from Buffalo to Seattle: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Buffalo to Seattle

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Buffalo to Seattle in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Buffalo to Seattle flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Buffalo to Seattle airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Buffalo to Seattle Flights

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*Available to One Key members.