Cheap flights from Buffalo to Seattle from $127
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Buffalo to Seattle departing on 7/14. 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 Buffalo to Seattle
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 typical price of a round-trip flight between Buffalo and Seattle?
What is the cheapest month to fly to Seattle?
In general, October is the cheapest month to fly from Buffalo to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $414. If you don’t want to visit Seattle in October, then you should wait until March to fly from Buffalo, when ticket prices are also cheap, with an average price of $419.
What is the cheapest day to depart on your flight to Seattle?
On average, the least expensive day to fly to Seattle from Buffalo is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $473. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Buffalo because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $600.
What is the cheapest time of day to depart on your flight to Seattle?
Flying to Seattle from Buffalo in the evening is the least expensive time of day to depart. momondo users have found prices as low as $400 when looking at flights departing in the evening. Flights to Seattle are more costly at noon, with an average ticket price of $499. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.
What is the cheapest Buffalo to Seattle/Tacoma Intl flight route?
Fly from Buffalo to Seattle/Tacoma Intl for the best Buffalo - Seattle/Tacoma Intl flight prices
How far in advance should I book a flight to Seattle?
You are more likely to see cheaper flights to Seattle from Buffalo when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $474 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Buffalo for as low as $368 on momondo.
What cabin class options are available on Buffalo to Seattle/Tacoma Intl flights?
There are 1 cabin classes available to choose from on Buffalo to Seattle/Tacoma Intl 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 Buffalo to Seattle/Tacoma Intl?
Frontier, JetBlue, and Sun Country Air are the most popular carriers operating from Buffalo to Seattle/Tacoma Intl
What airlines fly to Seattle?
United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Seattle from Buffalo according to our data. United Airlines is the first choice among our users, with 38% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 8 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.
When to book flights from Buffalo to Seattle
Cheap Buffalo to Seattle (BUF to SEA) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Buffalo to Seattle
How far is Buffalo to Seattle/Tacoma Intl by plane?
A flight from Buffalo to Seattle/Tacoma Intl will travel around 2109.4 mi. In terms of flight time, this usually takes a little over 7h 20m.
When did momondo last update prices for flights from Buffalo Airport to Seattle/Tacoma Intl Airport?
Prices for flights from Buffalo Airport to Seattle/Tacoma Intl Airport are updated daily.
How many operators does momondo search for flights from Buffalo Airport to Seattle/Tacoma Intl Airport?
There are 8 operators available for flights from Buffalo Airport to Seattle/Tacoma Intl Airport as of July 2025.
How old do you have to be to fly from Buffalo Airport to Seattle/Tacoma Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Buffalo Airport to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The required travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Buffalo to Seattle?
Based on momondo bookings for flights between Buffalo and Seattle, the leading plane model is Airbus A319, making up 50.00% of the total bookings. Other popular models include Airbus A220-300 with 50.00%.
What is the most popular airline from Buffalo to Seattle?
Based on momondo bookings for flights between Buffalo and Seattle, the leading airline is American Airlines, making up 33% of the total bookings. Other popular airlines include United Airlines with 22%, Delta with 22%, and Southwest with 11%.
Best airlines flying from Buffalo to Seattle
Compare and see reviews for airlines that fly from Buffalo to Seattle with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $145 | Free Cancellation | Rating 7.3 2,916 reviews | |||
| PriceFrom $166 | Free Cancellation | Rating 5.9 3,284 reviews | |||
| PriceFrom $187 | Free Cancellation | Rating 6.9 339 reviews | |||
| PriceFrom $316 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $332 | Free Cancellation | Rating 8.0 7,983 reviews | |||
| PriceFrom $336 | Free Cancellation | Rating 7.4 8,861 reviews | |||
| PriceFrom $345 | Free Cancellation | Rating 8.0 4,270 reviews | |||
| PriceFrom $532 | Free Cancellation | Rating 8.0 10,000 reviews |
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Buffalo to Seattle?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Buffalo to Seattle. momondo saves you time and could save you money on your trip.
Can I find flights from Buffalo to Seattle with flexible booking policies on momondo?
momondo does allow users to show only those flights to Seattle from Buffalo which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Buffalo to Seattle?
momondo provides multiple filters to help you find the best flight to Seattle from Buffalo. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Buffalo to Seattle right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Seattle from Buffalo. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.