$137 Cheap Flights from Boise (BOI) to Bellingham (BLI)

View $137 flight on Wed, Dec 10, 2025Opens in a new window

Popular airlines from Boise Airport (BOI) to Bellingham, WA (BLI-Bellingham Intl.)

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Cheap Flights from Boise to Bellingham (BOI-BLI)

Prices were available within the past 7 days and start at $137 for one-way flights and $222 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sat, Nov 15 - Sat, Nov 22
BOI
Boise
BLI
Bellingham
$222 Roundtrip, found 5 hours ago
$222
Roundtrip
found 5 hours ago
Select Alaska Airlines flight, departing Sat, Nov 15 from Boise to Bellingham, returning Sat, Nov 22, priced at $222 found 5 hours ago
Hawaiian Airlines
Sat, Oct 11 - Tue, Oct 14
BOI
Boise
BLI
Bellingham
$228 Roundtrip, found 6 hours ago
$228
Roundtrip
found 6 hours ago
Select Hawaiian Airlines flight, departing Sat, Oct 11 from Boise to Bellingham, returning Tue, Oct 14, priced at $228 found 6 hours ago
Hawaiian Airlines
Sat, Nov 15 - Fri, Nov 21
BOI
Boise
BLI
Bellingham
$233 Roundtrip, found 6 hours ago
$233
Roundtrip
found 6 hours ago
Select Hawaiian Airlines flight, departing Sat, Nov 15 from Boise to Bellingham, returning Fri, Nov 21, priced at $233 found 6 hours ago
Hawaiian Airlines
Sat, Nov 15 - Tue, Nov 18
BOI
Boise
BLI
Bellingham
$242 Roundtrip, found 6 hours ago
$242
Roundtrip
found 6 hours ago
Select Hawaiian Airlines flight, departing Sat, Nov 15 from Boise to Bellingham, returning Tue, Nov 18, priced at $242 found 6 hours ago
Hawaiian Airlines
Sat, Oct 11 - Fri, Oct 24
BOI
Boise
BLI
Bellingham
$248 Roundtrip, found 6 hours ago
$248
Roundtrip
found 6 hours ago
Select Hawaiian Airlines flight, departing Sat, Oct 11 from Boise to Bellingham, returning Fri, Oct 24, priced at $248 found 6 hours ago
Hawaiian Airlines
Sat, Nov 15 - Thu, Nov 20
BOI
Boise
BLI
Bellingham
$253 Roundtrip, found 6 hours ago
$253
Roundtrip
found 6 hours ago
Select Hawaiian Airlines flight, departing Sat, Nov 15 from Boise to Bellingham, returning Thu, Nov 20, priced at $253 found 6 hours ago
Hawaiian Airlines
Mon, Oct 13 - Wed, Oct 22
BOI
Boise
BLI
Bellingham
$258 Roundtrip, found 6 hours ago
$258
Roundtrip
found 6 hours ago
Select Hawaiian Airlines flight, departing Mon, Oct 13 from Boise to Bellingham, returning Wed, Oct 22, priced at $258 found 6 hours ago
Alaska Airlines
Wed, Nov 26 - Thu, Dec 4
BOI
Boise
BLI
Bellingham
$262 Roundtrip, found 7 hours ago
$262
Roundtrip
found 7 hours ago
Select Alaska Airlines flight, departing Wed, Nov 26 from Boise to Bellingham, returning Thu, Dec 4, priced at $262 found 7 hours ago
Hawaiian Airlines
Sun, Nov 16 - Fri, Nov 21
BOI
Boise
BLI
Bellingham
$264 Roundtrip, found 6 hours ago
$264
Roundtrip
found 6 hours ago
Select Hawaiian Airlines flight, departing Sun, Nov 16 from Boise to Bellingham, returning Fri, Nov 21, priced at $264 found 6 hours ago
American Airlines
Mon, Oct 20 - Thu, Oct 23
BOI
Boise
BLI
Bellingham
$868 Roundtrip, found 2 days ago
$868
Roundtrip
found 2 days ago
Select American Airlines flight, departing Mon, Oct 20 from Boise to Bellingham, returning Thu, Oct 23, priced at $868 found 2 days ago

Find the cheapest month to fly from Boise (BOI) to Bellingham (BLI)

January is typically the cheapest month to fly

From $212 - $634 per traveler.

Frequently asked questions

How much does a flight from Boise Airport (BOI) to Bellingham Intl. Airport (BLI) cost?
Grab a cheap one-way flight from $137 or cheap return flight from $222 from Boise Airport (BOI) to Bellingham Intl. Airport (BLI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Boise Airport (BOI) to Bellingham Intl. Airport (BLI)?
November is the least expensive month to fly from BOI to BLI. Traveling outside of peak seasons is often the key to finding a great deal.
What is the cheapest airline that flies from Boise Airport (BOI) to Bellingham Intl. Airport (BLI)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll take you from BOI to BLI. Then, sort your results by "Price (lowest to highest)" to score a good deal.
How many flights per day from Boise Airport (BOI) to Bellingham Intl. Airport (BLI)?
There aren't any daily nonstop flights available from Boise Airport (BOI) to Bellingham Intl. Airport (BLI). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be soaring above the clouds before you know it.
What day of the week has the most flights from BOI to BLI?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can change based on various factors, such as the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Boise Airport (BOI) to Bellingham Intl. Airport (BLI)?
To touch down at Bellingham Intl. Airport (BLI) without delays, choose a flight that takes off from Boise Airport (BOI) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Boise Airport (BOI) to Bellingham Intl. Airport (BLI) last-minute?
Last-minute bookings from BOI to BLI are generally more expensive. For the best rates, start searching for flights ahead of time. That being said, if your travel plans are flexible, it's possible to land a cheap fare right before your journey.
Is it cheaper to book a BOI to BLI flight and hotel package?
Compared with arranging hotels and flights separately, booking a BOI to BLI flight and hotel package with Expedia could lead to significant savings. What's more, managing everything in one place will take the hassle out of planning your trip. Simply pick your flights and select from our wide range of hotels, then personalize your trip with other add-ons like tours and car rentals.
Can I cancel or change the date of my flight from Boise Airport (BOI) to Bellingham Intl. Airport (BLI)?
In most instances, you can reschedule or cancel your BOI to BLI flight. However, additional fees may apply, especially if your booking was made over 24 hours ago. Check your itinerary for the airline's rules and fees on flight changes, or if you want more information, head to our Customer Service portal.

Travel information

Travel information

Origin airport
Boise
Destination airport
Bellingham Intl.
Airlines serving
Alaska Airlines, American Airlines, Hawaiian Airlines
Roundtrip price
$222
Distance
470 mi

Book with confidence

Book with confidence

Boise to Bellingham Flights

The cheapest times to fly from Boise to Bellingham

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 Boise to Bellingham are during the month of November. You can find some of the cheapest flights from Boise to Bellingham with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Boise to Bellingham

Sunday is one of the best days to book for cheap flights from Boise to Bellingham: 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 Boise to Bellingham

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 Boise to Bellingham in 2025. You can also book with separate airlines for your outbound and return journeys, from $137 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 Boise to Bellingham 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 Boise to Bellingham 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.

 

Boise to Bellingham Flights

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Explore a world of travel with Expedia

*Available to One Key members.