Cheap flights from Seattle to Buffalo from $118
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Buffalo departing on 8/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Seattle to Buffalo
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Buffalo?
If you aren’t able to travel during the month of October, then book flights to Buffalo from Seattle during September instead. Flights to Buffalo in September, while not as cheap as those in October, still average around $423.
What is the cheapest day to depart on your flight to Buffalo?
Our data shows that Wednesday is the least expensive day to fly to Buffalo. Tickets to fly out on this day can be as low as $465. Flights from Seattle to Buffalo on a Saturday will generally be more expensive and average around $611. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Buffalo?
In the evening is the cheapest time of day to fly from Seattle to Buffalo when you can find flight prices for as low as $467. Flying to Buffalo in the evening is an ideal time because this is during off-peak travel hours. In the afternoon is when there is more demand to fly to Buffalo, so prices are often more expensive at around $547 per ticket.
What is the cheapest Seattle/Tacoma Intl to Buffalo flight route?
Fly from Seattle/Tacoma Intl to Buffalo for the best Seattle/Tacoma Intl - Buffalo flight prices
How far in advance should I book a flight to Buffalo?
You are more likely to see cheaper flights to Buffalo from Seattle when booking 20 weeks ahead of your departure date. In general, you can expect to find flights to Buffalo for around $494 when searching 20 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Buffalo from Seattle for as low as $278 on momondo.
What cabin class options are available on Seattle/Tacoma Intl to Buffalo flights?
There are 1 cabin classes available to choose from on Seattle/Tacoma Intl to Buffalo flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Seattle/Tacoma Intl to Buffalo?
American Airlines, Sun Country Air, and United Airlines are the most popular carriers operating from Seattle/Tacoma Intl to Buffalo
What airlines fly to Buffalo?
United Airlines, Delta and American Airlines are the top three most popular airlines that fly to Buffalo from Seattle according to our data. United Airlines is the first choice among our users, with 34% of people opting to fly with this airline when traveling to Buffalo. Keep in mind that there are 7 different airlines that fly to Buffalo on a routine basis, so you have a few additional options to choose from.
When to book flights from Seattle to Buffalo
Cheap Seattle to Buffalo (SEA to BUF) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Seattle to Buffalo
How far is Seattle/Tacoma Intl to Buffalo by plane?
Buffalo is 2109.4 mi away from Seattle/Tacoma Intl. Typically, this will take 6h 14m by plane in normal conditions.
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Buffalo Airport?
Prices for flights from Seattle/Tacoma Intl Airport to Buffalo Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Buffalo Airport?
As of June 2025, there are 7 operators available to choose from for flights from Seattle/Tacoma Intl Airport to Buffalo Airport.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Buffalo Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seattle/Tacoma Intl Airport to Buffalo Airport.
What documentation or ID do you need to fly to Buffalo Airport?
The necessary travel and health documents for your Buffalo Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Seattle to Buffalo?
Based on momondo bookings for flights between Seattle and Buffalo, the leading plane model is Airbus A220-300, making up 100.00% of the total bookings.
What is the most popular airline from Seattle to Buffalo?
momondo data reveals that the most frequently booked airline on the route from Seattle to Buffalo is American Airlines, representing 27% of all bookings. The subsequent popular airlines are Delta at 24%, United Airlines at 23%, and Southwest at 12%.
Best airlines flying from Seattle to Buffalo
Compare and see reviews for airlines that fly from Seattle to Buffalo with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $130 | Free Cancellation | Rating 5.9 3,295 reviews | |||
| PriceFrom $239 | Free Cancellation | Rating 7.3 2,925 reviews | |||
| PriceFrom $299 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $327 | Free Cancellation | Rating 8.0 7,946 reviews | |||
| PriceFrom $342 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $366 | Free Cancellation | Rating 8.0 4,287 reviews | |||
| PriceFrom $445 | Free Cancellation | Rating 8.0 10,000 reviews |
Traveling to a place near Buffalo?
Book flights to Buffalo if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Seattle to Buffalo?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Seattle to Buffalo. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Seattle to Buffalo with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Buffalo from Seattle with this policy.
How can momondo help me find flights from Seattle to Buffalo?
momondo provides multiple filters to help you find the best flight to Buffalo from Seattle. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Seattle to Buffalo right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Seattle to Buffalo flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.