$201 Cheap Flights from Baltimore (BWI) to Bellingham (BLI)

View $201 flight on Wed, Nov 19, 2025Opens in a new window

Popular airlines from Baltimore Washington Intl. Airport (BWI) to Bellingham, WA (BLI-Bellingham Intl.)

Cheap Flights from Baltimore to Bellingham (BWI-BLI)

Prices were available within the past 7 days and start at $201 for one-way flights and $372 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hawaiian Airlines
Wed, Dec 24 - Wed, Dec 31
BWI
Baltimore
BLI
Bellingham
$372 Roundtrip, found 5 days ago
$372
Roundtrip
found 5 days ago
Select Hawaiian Airlines flight, departing Wed, Dec 24 from Baltimore to Bellingham, returning Wed, Dec 31, priced at $372 found 5 days ago
Alaska Airlines
Wed, Feb 4 - Sat, Feb 7
BWI
Baltimore
BLI
Bellingham
$380 Roundtrip, found 15 hours ago
$380
Roundtrip
found 15 hours ago
Select Alaska Airlines flight, departing Wed, Feb 4 from Baltimore to Bellingham, returning Sat, Feb 7, priced at $380 found 15 hours ago
Hawaiian Airlines
Wed, Dec 24 - Mon, Jan 12
BWI
Baltimore
BLI
Bellingham
$381 Roundtrip, found 5 days ago
$381
Roundtrip
found 5 days ago
Select Hawaiian Airlines flight, departing Wed, Dec 24 from Baltimore to Bellingham, returning Mon, Jan 12, priced at $381 found 5 days ago
Alaska Airlines
Sat, Nov 15 - Sat, Nov 22
BWI
Baltimore
BLI
Bellingham
$413 Roundtrip, found 2 days ago
$413
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Sat, Nov 15 from Baltimore to Bellingham, returning Sat, Nov 22, priced at $413 found 2 days ago
Alaska Airlines
Tue, Nov 11 - Wed, Nov 12
BWI
Baltimore
BLI
Bellingham
$420 Roundtrip, found 5 days ago
$420
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Tue, Nov 11 from Baltimore to Bellingham, returning Wed, Nov 12, priced at $420 found 5 days ago
Alaska Airlines
Wed, Nov 26 - Mon, Dec 8
BWI
Baltimore
BLI
Bellingham
$423 Roundtrip, found 2 days ago
$423
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Wed, Nov 26 from Baltimore to Bellingham, returning Mon, Dec 8, priced at $423 found 2 days ago
Alaska Airlines
Tue, Feb 3 - Mon, Feb 9
BWI
Baltimore
BLI
Bellingham
$430 Roundtrip, found 12 hours ago
$430
Roundtrip
found 12 hours ago
Select Alaska Airlines flight, departing Tue, Feb 3 from Baltimore to Bellingham, returning Mon, Feb 9, priced at $430 found 12 hours ago
Alaska Airlines
Sat, Nov 1 - Sat, Nov 8
BWI
Baltimore
BLI
Bellingham
$434 Roundtrip, found 1 day ago
$434
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sat, Nov 1 from Baltimore to Bellingham, returning Sat, Nov 8, priced at $434 found 1 day ago
Alaska Airlines
Mon, Dec 8 - Sat, Dec 13
BWI
Baltimore
BLI
Bellingham
$443 Roundtrip, found 1 day ago
$443
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Mon, Dec 8 from Baltimore to Bellingham, returning Sat, Dec 13, priced at $443 found 1 day ago
American Airlines
Wed, Feb 4 - Sat, Feb 7
BWI
Baltimore
BLI
Bellingham
$455 Roundtrip, found 15 hours ago
$455
Roundtrip
found 15 hours ago
Select American Airlines flight, departing Wed, Feb 4 from Baltimore to Bellingham, returning Sat, Feb 7, priced at $455 found 15 hours ago

Frequently asked questions

How much does a flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Bellingham Intl. Airport (BLI) cost?
Lock in a cheap one-way flight from $201 or cheap return flight from $372 from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Bellingham Intl. Airport (BLI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Bellingham Intl. Airport (BLI)?
December is the most affordable month to fly from BWI to BLI. Traveling during an off-peak travel window is often the key to finding better deals on flights.
What is the cheapest airline that flies from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Bellingham Intl. Airport (BLI)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest BWI to BLI flight.
How many flights per day from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Bellingham Intl. Airport (BLI)?
You'll need to book a flight with a layover when traveling from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Bellingham Intl. Airport (BLI). There are no daily direct flights on this route. However, just filter your search to include one or two stops to find an option that works for you.
What day of the week has the most flights from BWI to BLI?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can change depending on a number of factors, including the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Bellingham Intl. Airport (BLI)?
Select a flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Bellingham Intl. Airport (BLI) that takes off before 3 PM to reduce the likelihood of delays. Departures after this time are on average 22% more likely to be canceled.**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 Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Bellingham Intl. Airport (BLI) last-minute?
Booking your flight from BWI to BLI right before your trip is generally more expensive. But if you're flexible with your departure times and dates, you could grab a cheap last-minute fare.
Is it cheaper to book a BWI to BLI flight and hotel package?
Opting for a BWI to BLI flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Choose from our wide range of stays and then add flights, activities and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Bellingham Intl. Airport (BLI)?
In most instances, you can reschedule or cancel your BWI to BLI flight. However, additional fees may apply, especially if you booked more than 24 hours ago. Check your itinerary for the airline's fees and rules on flight changes, or if you need further information, go to our Customer Service portal.

Travel information

Travel information

Origin airport
Baltimore Washington Intl. Thurgood Marshall
Destination airport
Bellingham Intl.
Airlines serving
Alaska Airlines, American Airlines
Roundtrip price
$371
Distance
2335 mi

Book with confidence

Book with confidence

Baltimore to Bellingham Flights

The cheapest times to fly from Baltimore 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 Baltimore to Bellingham are during the month of December. You can find some of the cheapest flights from Baltimore to Bellingham with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Baltimore to Bellingham

Sunday is one of the best days to book for cheap flights from Baltimore 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 Baltimore 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 Baltimore to Bellingham in 2025. You can also book with separate airlines for your outbound and return journeys, from $201 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 Baltimore 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 Baltimore 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.

 

Baltimore to Bellingham Flights

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*Available to One Key members.