Route guide
Cheap Flights from Seattle to Buffalo: Book Airline Tickets
- Distance
- about 2,120 mi
- Typical flight time
- 4 h 30 min – 5 h 30 min
- Airports
- 1 × 1
- Time difference
- 3 h ahead
This page covers the practical side of flying between Seattle and Buffalo: which airports to compare, how long the trip takes, and when it is busy. It works for either direction. For a price on your dates, ask a specialist.
Quick answer: Seattle to Buffalo is about 2,120 miles (3,410 km) and a typical flight takes 4 h 30 min to 5 h 30 min. Buffalo is 3 hours ahead of Seattle. Seattle has 1 airport to compare and Buffalo has 1.
Airport pairs to compare
Seattle's airport is connected to downtown by light rail, which makes arrival simple even at busy times. Buffalo's airport is the usual gateway for visitors to Niagara Falls.
| Pair | Departure airport | Arrival airport |
|---|---|---|
| SEA to BUF | Seattle-Tacoma International | Buffalo Niagara International |
About the airports
- SEA · Seattle-Tacoma International
Connected to downtown by Link light rail. - BUF · Buffalo Niagara International
The main airport, northeast of downtown and the usual gateway to Niagara Falls.
Airlines with a major base at either end
- At Seattle: Delta Air Lines, Alaska Airlines
Airlines with a base at one end often connect through their hub. A specialist can compare nonstop and connecting options on your dates.
When to go and what to expect
Seattle
July through September is the driest and busiest period. From November to March it is rainy, and fares are often lower.
Buffalo
Summer is the most popular time, especially for visits to the falls. Winters are cold and snowy, and lake-effect storms can disrupt flights.
How long is Seattle to Buffalo?
At about 2,120 miles, Seattle to Buffalo is a long domestic-style flight of several hours. Meal options, seat choice and baggage rules matter more on a trip this long, so compare the full total rather than just the base fare.
Time zones and timing
Buffalo is 3 hours ahead of Seattle, so you land at a local time 3 hours later than departure time plus flight time would suggest. Plan your arrival day around local time at the destination. Check the arrival date on any overnight itinerary, since it can differ from the departure date.
Getting between the airport and town
Seattle: Link light rail runs from the airport to downtown in roughly 40 minutes.
Buffalo: Rental cars, taxis and ride-hail are the most common ways into the city.
Planning ground transport too? See our car rental guide.
Good to know
- Alaska cruises depart from the city roughly from spring through early fall, which can lift demand and hotel prices at that time.
- Winter storms and summer thunderstorms are the usual causes of delays, so leave extra connection time in those seasons.
- Compare the total with bags included, not just the base fare. See baggage fees and taxes and fees.
Flying Buffalo to Seattle?
This route guide works in both directions. For other trips, see all flights from Seattle or all flights from Buffalo.
Frequently asked questions
How far is Seattle from Buffalo?
The straight-line distance between the main airports is about 2,120 miles (3,410 km). Routes can be longer in practice because of air traffic and weather.
How long is a flight from Seattle to Buffalo?
A typical scheduled flight takes roughly 4 h 30 min to 5 h 30 min in the air, depending on winds, the aircraft and the airports. Connecting itineraries take longer, and nonstop availability depends on the airline and dates.
Which airports can I use?
At Seattle: SEA (Seattle-Tacoma International). At Buffalo: BUF (Buffalo Niagara International). Ask for prices on more than one pairing.
Is there a time difference?
Buffalo is 3 hours ahead of Seattle.
When is the best time to fly from Seattle to Buffalo?
In Seattle: July through September is the driest and busiest period. From November to March it is rainy, and fares are often lower. In Buffalo: Summer is the most popular time, especially for visits to the falls. Winters are cold and snowy, and lake-effect storms can disrupt flights. Fares are usually highest in the busy periods described for each city, so flexible dates can help.
Which airlines should I compare for Seattle to Buffalo?
Airlines with a major base at either end include Delta Air Lines and Alaska Airlines. A specialist compares them with other carriers on your dates, since schedules and availability change.
Do you show fares on this page?
No. Fares change constantly, so we do not publish prices that might be out of date. A specialist checks live availability and confirms the full total, including taxes and bags, before you pay.
Route details updated October 18, 2026.