$289 Cheap Flights from Bellingham (BLI) to Buffalo (BUF)

View $289 flight on Mon, Mar 23, 2026Opens in a new window

Popular airlines from Bellingham, WA (BLI-Bellingham Intl.) to Buffalo Niagara Intl. Airport (BUF)

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Cheap Flights from Bellingham to Buffalo (BLI-BUF)

Prices were available within the past 7 days and start at $289 for one-way flights and $647 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, Mar 30 - Wed, Apr 8
BLI
Bellingham
BUF
Buffalo
$647 Roundtrip, found 1 day ago
$647
Roundtrip
found 1 day ago
Select American Airlines flight, departing Mon, Mar 30 from Bellingham to Buffalo, returning Wed, Apr 8, priced at $647 found 1 day ago
American Airlines
Mon, Mar 30 - Thu, Apr 9
BLI
Bellingham
BUF
Buffalo
$668 Roundtrip, found 1 day ago
$668
Roundtrip
found 1 day ago
Select American Airlines flight, departing Mon, Mar 30 from Bellingham to Buffalo, returning Thu, Apr 9, priced at $668 found 1 day ago
American Airlines
Mon, Mar 30 - Tue, Apr 7
BLI
Bellingham
BUF
Buffalo
$687 Roundtrip, found 1 day ago
$687
Roundtrip
found 1 day ago
Select American Airlines flight, departing Mon, Mar 30 from Bellingham to Buffalo, returning Tue, Apr 7, priced at $687 found 1 day ago
American Airlines
Sat, Mar 28 - Thu, Apr 9
BLI
Bellingham
BUF
Buffalo
$689 Roundtrip, found 1 day ago
$689
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Mar 28 from Bellingham to Buffalo, returning Thu, Apr 9, priced at $689 found 1 day ago
American Airlines
Thu, Mar 26 - Tue, Mar 31
BLI
Bellingham
BUF
Buffalo
$708 Roundtrip, found 1 day ago
$708
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Mar 26 from Bellingham to Buffalo, returning Tue, Mar 31, priced at $708 found 1 day ago
American Airlines
Fri, Mar 27 - Wed, Apr 15
BLI
Bellingham
BUF
Buffalo
$715 Roundtrip, found 1 day ago
$715
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Mar 27 from Bellingham to Buffalo, returning Wed, Apr 15, priced at $715 found 1 day ago
Alaska Airlines
Wed, Mar 25 - Tue, Apr 7
BLI
Bellingham
BUF
Buffalo
$749 Roundtrip, found 1 day ago
$749
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Wed, Mar 25 from Bellingham to Buffalo, returning Tue, Apr 7, priced at $749 found 1 day ago
Alaska Airlines
Thu, Mar 26 - Tue, Apr 7
BLI
Bellingham
BUF
Buffalo
$752 Roundtrip, found 1 day ago
$752
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Thu, Mar 26 from Bellingham to Buffalo, returning Tue, Apr 7, priced at $752 found 1 day ago
Alaska Airlines
Thu, Mar 26 - Fri, Apr 17
BLI
Bellingham
BUF
Buffalo
$755 Roundtrip, found 1 day ago
$755
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Thu, Mar 26 from Bellingham to Buffalo, returning Fri, Apr 17, priced at $755 found 1 day ago
Alaska Airlines
Wed, Mar 25 - Tue, Mar 31
BLI
Bellingham
BUF
Buffalo
$811 Roundtrip, found 1 day ago
$811
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Wed, Mar 25 from Bellingham to Buffalo, returning Tue, Mar 31, priced at $811 found 1 day ago

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Flights from Bellingham (BLI) to Buffalo (BUF)
Origin airport
Bellingham Intl.
Destination airport
Buffalo Niagara Intl.
Airlines serving
Alaska Airlines, American Airlines
Roundtrip price
$647
Distance
2115 mi

Bellingham to Buffalo Flights

The cheapest times to fly from Bellingham to Buffalo

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Bellingham to Buffalo are during the month of March. You can find some of the cheapest flights from Bellingham to Buffalo with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Bellingham to Buffalo

Sunday is one of the best days to book for cheap flights from Bellingham to Buffalo: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Bellingham to Buffalo

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Bellingham to Buffalo in 2026. You can also book with separate airlines for your outbound and return journeys, from $289 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Bellingham to Buffalo flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Bellingham to Buffalo airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Bellingham, WA (BLI-Bellingham Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) cost?
You can find cheap one-way flights from $289 and cheap return flights from $647 Bellingham, WA (BLI-Bellingham Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) with Expedia. Roundtrip flights usually range from $932 to $2355. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Bellingham, WA (BLI-Bellingham Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Bellingham, WA (BLI-Bellingham Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
The cheapest month to fly from BLI to BUF is March when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Bellingham, WA (BLI-Bellingham Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
Enter BLI to BUF and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Bellingham, WA (BLI-Bellingham Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
To find a cheap flight from Bellingham, WA (BLI-Bellingham 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 Bellingham, WA (BLI-Bellingham 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.
What is the earliest flight from Bellingham, WA (BLI-Bellingham Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
The earliest flight from Bellingham International Airport (BLI) to Buffalo Niagara International Airport (BUF) typically departs at around 5:20 AM, operated by Alaska Airlines and American Airlines. This seasonal service is active in December, and an early flight can help you maximize your time in Buffalo. 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 Bellingham, WA (BLI-Bellingham Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
You'll usually find the most flights from Bellingham Intl. (BLI) to Buffalo Niagara Intl. (BUF) on a Saturday, with around 5 flights available. This gives you plenty of options for your travel plans. A major airline on this route is Alaska Airlines.
What are the most popular departure times for flights from Bellingham, WA (BLI-Bellingham Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
The most popular departure times for flights from Bellingham (BLI) to Buffalo (BUF) are in the late morning, from 9am to noon. About 53% of passengers prefer this time window. Many major carriers, including Alaska Airlines, operate flights during this window. This timing is popular because it lets you start your day early and arrive in Buffalo with time to spare.
Can you fly business or first class from Bellingham, WA (BLI-Bellingham Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
Select the "Business class" and "First class" filters when looking for BLI 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 Bellingham, WA (BLI-Bellingham Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) flight with Expedia?
It's easy to earn miles on a Bellingham, WA (BLI-Bellingham 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 Bellingham Intl. (BLI)?
From Bellingham Intl. (BLI), you can fly typically into Buffalo Niagara Intl. (BUF) to reach Buffalo. Some flights may connect through major hubs like Seattle - Tacoma Intl. (SEA) 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 Bellingham, WA (BLI-Bellingham Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) at the last minute?
Typically, booking a last minute flight from Bellingham, WA (BLI-Bellingham 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 Bellingham, WA (BLI-Bellingham Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) flight and hotel package?
Securing a Bellingham, WA (BLI-Bellingham Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) Buffalo Vacation Packages 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 Bellingham, WA (BLI-Bellingham Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
If you booked your Bellingham, WA (BLI-Bellingham 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.

*Flight schedules are subject to change.

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*Available to One Key members.