Cheap Flights from Buffalo Niagara to Seattle

Compare Buffalo Niagara to Seattle flight deals

Find the cheapest month or even day of the year to fly to Seattle

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Flight deals from Buffalo Niagara to Seattle

Looking for a cheap last-minute deal or the best round-trip flight from Buffalo Niagara to Seattle? Find the lowest prices on one-way and round-trip tickets right here.
Map with a flight path from Buffalo Niagara to Seattle. A plane icon is halfway along the route with a label that says "1+ stops."
1+ stops

Your route at a glance

Cheapest dealAED 1,142
Cheapest monthJanuary
Most popular airlineDelta

Find the cheapest month to fly from Buffalo Niagara to Seattle

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Buffalo Niagara to Seattle flights are currently cheapest in January.

Alternative Buffalo Niagara to Seattle routes

Looking for the cheapest, fastest or easiest route from Buffalo Niagara to Seattle? You could fly into the following airports instead.

Finding cheap flights from Buffalo Niagara to Seattle: Frequently asked questions

There are 4 airports in Seattle: Seattle Lake Union SPB, Seattle Boeing Fld, Seattle / Tacoma International, and Paine Field.
The best price we found for a round-trip flight from Buffalo Niagara to Seattle is AED 1,142. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Buffalo Niagara to Seattle. But we found flights with one or more stops from AED 1,142.
There are no flights flying from Buffalo Niagara to Seattle, as of December 2025.
The cheapest month to fly from Buffalo Niagara to Seattle is usually January.
If you're flying from Buffalo Niagara Airport, the cheapest airport near Seattle is Seattle / Tacoma International – which is 19.5 km away from the center of Seattle. We've found flights to this airport from AED 1,142.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Buffalo Niagara Airport to Seattle on Sunday, January 11, 2026.
No airlines currently offer direct flights between Buffalo Niagara Airport and Seattle. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Seattle but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Seattle is around 40 days in advance, so don’t leave your flight to the last minute.
In December, the average temperature is usually around 3°C. August is typically the warmest month in Seattle, when it usually averages around 23°C. You can expect the least rain in July. The coldest month is December, with temperatures averaging 0°C. The rainiest month is November.
Currently, Frontier Airlines offers the cheapest flight tickets to Seattle.

Traveling from Buffalo Niagara International Airport (BUF) to Seattle: what you need to know

  • Seattle is three hours behind Buffalo, where Buffalo Niagara International Airport is located. Seattle observes the UTC-7 timezone.

  • For hassle-free travel, turn up at the airport two hours ahead of international flights and an hour before domestic departures. This will give you enough time to catch your BUF to Seattle flight.

  • Traveling during a peak period like public or school holidays? Expect longer lines at check-in and security. For peace of mind, arrive up to four hours before international flights and two hours before domestic departures.

  • BUF is about 13 kilometers from central Buffalo. If you're driving, catching a cab or ride-sharing from the center, it'll take you 20 minutes or so to get there, depending on traffic. If you're using public transport, expect the travel time to be around 1 hour 15 minutes.

  • Planning to catch an early flight from Buffalo Niagara International Airport to Seattle? Avoid rushing to the airport (and catch some extra z's) by choosing one of these hotels near BUF:

  • When it comes to Buffalo Niagara International Airport's on-time performance, 75.46% of flights meet their scheduled arrival time.

  • You'll find BUF at Genesee Street.

How to find the cheapest flights from Buffalo Niagara International Airport (BUF) to Seattle

  • AED 509 is currently the best price for a one-way Buffalo Niagara International Airport to Seattle flight. Return flight tickets start at AED 1,142. These prices can change based on demand and availability.

  • Booking ahead of time is often the key to finding a cheap flight from BUF to Seattle. Fares tend to rise as demand increases, so the nearer your departure date, the more you'll likely pay.

  • If you can be flexible with your travel plans, take advantage of the 'Whole month' search tool. It'll show you the cheapest price across every month when looking for a Buffalo Niagara International Airport to Seattle ticket.

  • Never miss a deal on cheap flights from BUF to Seattle by creating a Price Alert. You'll receive an email or push notification on the app when a lower fare pops up.

  • Tailor your trip with filters. Choose your preferred departure and arrival times, total journey duration and airlines. You can also sort your results by 'Cheapest,' 'Best' or 'Fastest' flights from Buffalo Niagara International Airport to Seattle.

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

  • The distance from Seattle-Tacoma International Airport (SEA) to central Seattle is roughly 23 kilometers. It'll take you about 20 minutes to reach the center driving.

  • When traveling by public transport, expect a journey time of about 55 minutes.

  • The last thing you need is a lengthy journey to your hotel if you're landing late on a flight from Buffalo Niagara International Airport to Seattle. Check in to one of these accommodation options near SEA instead:

  • Travel at your own pace with a Seattle-Tacoma International Airport rental car. Book your wheels from Thrifty, Europcar or Budget and find adventure across Seattle and beyond.

  • Reserving your ride from Seattle-Tacoma International Airport around one week in advance of your flight from BUF to Seattle can help you get the best possible rate.

Lake Union Sea Plane Base Airport (LKE)

  • Central Seattle is located around 3 kilometers from Lake Union Sea Plane Base Airport (LKE). After your flight from Buffalo Niagara International Airport to Seattle has landed and you've navigated your way to arrivals, expect a drive of about 10 minutes.

  • If you choose to travel on public transport, you'll reach the center in 25 minutes or so.

  • Following your BUF to Seattle flight, tuck yourself in at a hotel close to LKE. These are some comfortable options that'll help you sink into relaxation mode:

Best time to go to Seattle

  • Before locking in your flights from Buffalo Niagara International Airport to Seattle, consider which time of year is best for you. High season in Seattle offers a bustling atmosphere and plenty of things to do, while low season means you'll get better hotel deals and fewer crowds.

  • The warmest month in Seattle is August, with temperatures ranging between 12ºC (54ºF) and 28ºC (82ºF). Lock in your Buffalo Niagara International Airport to Seattle flight ticket then if that's your ideal forecast.

  • If you like traveling in cooler conditions, search for a cheap ticket from BUF to Seattle in February when temperatures average between -1ºC (30ºF) and 11ºC (52ºF).

More about Seattle

  • When it comes to looking for somewhere to rest your head, you'll find the top stays in Seattle right here. Check out these options after locking in your flight from Buffalo Niagara International Airport to Seattle:

  • LMN Architects and Greyhound: Bus Station are just the start of the popular attractions to add to your Seattle travel itinerary. Keep the momentum going by heading to Boeing Radiation Effects Lab.

Explore more of United States

  • Seattle is easy to fall in love with, but there are so many other corners of United States just waiting to be discovered. About 241 kilometers south of Seattle, a visit to Portland will fill your itinerary to the brim. Start with leading attractions like Pioneer Courthouse Square, Portland Japanese Garden and Pittock Mansion.

  • Around 370 kilometers east of Seattle, Spokane is another favorite stop in United States. Get a taste of what this destination has to offer at Manito Park, Northwest Museum of Arts & Culture and Spokane Falls.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.