CA $258 Cheap Flights from Seattle (SEA) to Buffalo (BUF)

View CA $258 flight on Sat, Sep 12, 2026Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Buffalo Niagara Intl. Airport (BUF)

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Cheap flights from Seattle (SEA) to Buffalo (BUF)

Prices were available within the past 7 days and start at CA $258 for one-way flights and CA $535 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Jun 9 - Tue, Jun 16
SEA
Seattle
BUF
Buffalo
CA $535 Roundtrip, found 1 day ago
CA $535
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Jun 9 from Seattle to Buffalo, returning Tue, Jun 16, priced at CA $535 found 1 day ago
Delta
Mon, Jun 8 - Tue, Jun 16
SEA
Seattle
BUF
Buffalo
CA $556 Roundtrip, found 1 day ago
CA $556
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Jun 8 from Seattle to Buffalo, returning Tue, Jun 16, priced at CA $556 found 1 day ago
Delta
Thu, Jun 4 - Sat, Jun 6
SEA
Seattle
BUF
Buffalo
CA $576 Roundtrip, found 3 days ago
CA $576
Roundtrip
found 3 days ago
Select Delta flight, departing Thu, Jun 4 from Seattle to Buffalo, returning Sat, Jun 6, priced at CA $576 found 3 days ago
Delta
Tue, Jun 9 - Mon, Jun 15
SEA
Seattle
BUF
Buffalo
CA $593 Roundtrip, found 1 day ago
CA $593
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Jun 9 from Seattle to Buffalo, returning Mon, Jun 15, priced at CA $593 found 1 day ago
American Airlines
Wed, Jun 10 - Fri, Jun 19
SEA
Seattle
BUF
Buffalo
CA $598 Roundtrip, found 1 day ago
CA $598
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Jun 10 from Seattle to Buffalo, returning Fri, Jun 19, priced at CA $598 found 1 day ago
Delta
Tue, Jun 9 - Sat, Jun 13
SEA
Seattle
BUF
Buffalo
CA $612 Roundtrip, found 1 day ago
CA $612
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Jun 9 from Seattle to Buffalo, returning Sat, Jun 13, priced at CA $612 found 1 day ago
Delta
Mon, Jun 8 - Mon, Jun 15
SEA
Seattle
BUF
Buffalo
CA $615 Roundtrip, found 1 day ago
CA $615
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Jun 8 from Seattle to Buffalo, returning Mon, Jun 15, priced at CA $615 found 1 day ago
JetBlue Airways
Tue, Jun 9 - Sat, Jun 20
SEA
Seattle
BUF
Buffalo
CA $620 Roundtrip, found 1 day ago
CA $620
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Tue, Jun 9 from Seattle to Buffalo, returning Sat, Jun 20, priced at CA $620 found 1 day ago
Sun Country Airlines
Sat, Jul 25 - Sun, Aug 9
SEA
Seattle
BUF
Buffalo
CA $687 Roundtrip, found 6 days ago
CA $687
Roundtrip
found 6 days ago
Select Sun Country Airlines flight, departing Sat, Jul 25 from Seattle to Buffalo, returning Sun, Aug 9, priced at CA $687 found 6 days ago
Alaska Airlines
Mon, Jun 1 - Tue, Jun 9
SEA
Seattle
BUF
Buffalo
CA $723 Roundtrip, found 6 hours ago
CA $723
Roundtrip
found 6 hours ago
Select Alaska Airlines flight, departing Mon, Jun 1 from Seattle to Buffalo, returning Tue, Jun 9, priced at CA $723 found 6 hours ago

Alternative airports near Buffalo

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

Select flight to Buffalo Niagara Intl. BUF. Cheapest and Closest option available. Average driving time to city centre is 16 minutes. Flights from CA $947
BUF
Buffalo Niagara Intl.
CheapestClosest
Average driving time to city centre16 min
Flights from CA $947

Frequently asked questions

How do I find cheap flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
To find a cheap flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
There are approximately 81 connecting flights per day from Seattle - Tacoma Intl. (SEA) to Buffalo Niagara Intl. (BUF). Some common connection points include O'Hare Intl. (ORD), Denver Intl. (DEN), and Dallas-Fort Worth Intl. (DFW).
What is the earliest flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
The earliest flight from Seattle - Tacoma Intl. (SEA) to Buffalo Niagara Intl. (BUF) typically departs at approximately 12:05 AM local time, operated by American Airlines. This is a seasonal service active in February and March. An early departure like this can help you maximize your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
You'll typically find the most flights from Seattle - Tacoma Intl. (SEA) to Buffalo Niagara Intl. (BUF) on a Thursday, with around 54 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include United Airlines, Alaska Airlines, and Delta Air Lines. Flight schedules are consistent throughout the week, with Thursday offering only slightly more flights than other days.
What are the most popular departure times for flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
The most popular departure times for flights from Seattle - Tacoma Intl. (SEA) to Buffalo Niagara Intl. (BUF) are in the early morning, from 6am to 9am. About 32% of passengers prefer this time window. Many major carriers, including American Airlines, United Airlines and Delta Air Lines, offer flights during this window. This timing works well because it allows you to get an early start on your travel day, often arriving at your destination with plenty of time left in the day.
How long does it take to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
Flying from SEA to BUF with a connection usually takes about 8 hours 20 minutes, traveling roughly 2,116 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
Select the "Business class" and "First class" filters when looking for SEA to BUF flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) flight with Expedia?
It's easy to earn miles on a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Buffalo from Seattle - Tacoma Intl. (SEA)?
If you're planning to travel to Buffalo from Seattle - Tacoma Intl. (SEA), you can fly directly into Buffalo Niagara Intl. (BUF) Some flights may connect through major hubs like Denver Intl. (DEN), Sky Harbor Intl. (PHX), Dallas-Fort Worth Intl. (DFW) before reaching Buffalo. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) at the last minute?
Typically, booking a last minute flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) flight and hotel package?
Securing a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
If you booked your Seattle, WA (SEA-Seattle - Tacoma Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Buffalo Niagara Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, JetBlue Airways
Roundtrip price
CA $416
Distance
3385 km

Book with confidence

Seattle to Buffalo Flights

The easy way to book your flights from Seattle to Buffalo 

With Expedia, it’s simple to find and book flights to Buffalo from Seattle whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Buffalo Niagara Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Seattle to Buffalo today, tomorrow, or this week.  

 

Save dollars with cheap flights from Seattle - Tacoma Intl., SEA to Buffalo Niagara Intl., BUF 

Sort your search results by price to find great deals on your flight from Seattle to Buffalo—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Buffalo from Seattle currently is just CA $535 rising to CA $723.  

Here are more money-saving tips: 

  • Fly in June when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Buffalo  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Buffalo from Seattle 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Buffalo with Expedia today.

Seattle to Buffalo Flights

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