$203 Cheap Flights from Bellingham (BLI) to Washington (IAD)

View $203 flight on Wed, Dec 10, 2025Opens in a new window

Popular airlines from Bellingham, WA (BLI-Bellingham Intl.) to Washington Dulles Intl. Airport (IAD)

Cheap Flights from Bellingham to Washington (BLI-IAD)

Prices were available within the past 7 days and start at $203 for one-way flights and $344 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hawaiian Airlines
Tue, Nov 4 - Sat, Nov 8
BLI
Bellingham
IAD
Washington
$344 Roundtrip, found 19 hours ago
$344
Roundtrip
found 19 hours ago
Select Hawaiian Airlines flight, departing Tue, Nov 4 from Bellingham to Washington, returning Sat, Nov 8, priced at $344 found 19 hours ago
Alaska Airlines
Wed, Oct 29 - Sat, Nov 1
BLI
Bellingham
IAD
Washington
$353 Roundtrip, found 5 days ago
$353
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Wed, Oct 29 from Bellingham to Washington, returning Sat, Nov 1, priced at $353 found 5 days ago
Hawaiian Airlines
Sat, Nov 8 - Thu, Nov 13
BLI
Bellingham
IAD
Washington
$354 Roundtrip, found 19 hours ago
$354
Roundtrip
found 19 hours ago
Select Hawaiian Airlines flight, departing Sat, Nov 8 from Bellingham to Washington, returning Thu, Nov 13, priced at $354 found 19 hours ago
Hawaiian Airlines
Wed, Nov 12 - Thu, Dec 4
BLI
Bellingham
IAD
Washington
$360 Roundtrip, found 6 days ago
$360
Roundtrip
found 6 days ago
Select Hawaiian Airlines flight, departing Wed, Nov 12 from Bellingham to Washington, returning Thu, Dec 4, priced at $360 found 6 days ago
Alaska Airlines
Sat, Nov 1 - Wed, Nov 5
BLI
Bellingham
IAD
Washington
$361 Roundtrip, found 4 days ago
$361
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Sat, Nov 1 from Bellingham to Washington, returning Wed, Nov 5, priced at $361 found 4 days ago
Alaska Airlines
Mon, Nov 24 - Mon, Dec 8
BLI
Bellingham
IAD
Washington
$363 Roundtrip, found 4 days ago
$363
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Mon, Nov 24 from Bellingham to Washington, returning Mon, Dec 8, priced at $363 found 4 days ago
Hawaiian Airlines
Fri, Nov 7 - Thu, Nov 13
BLI
Bellingham
IAD
Washington
$364 Roundtrip, found 19 hours ago
$364
Roundtrip
found 19 hours ago
Select Hawaiian Airlines flight, departing Fri, Nov 7 from Bellingham to Washington, returning Thu, Nov 13, priced at $364 found 19 hours ago
Hawaiian Airlines
Thu, Nov 27 - Fri, Dec 12
BLI
Bellingham
IAD
Washington
$369 Roundtrip, found 6 days ago
$369
Roundtrip
found 6 days ago
Select Hawaiian Airlines flight, departing Thu, Nov 27 from Bellingham to Washington, returning Fri, Dec 12, priced at $369 found 6 days ago
Hawaiian Airlines
Sat, Nov 1 - Sat, Nov 15
BLI
Bellingham
IAD
Washington
$369 Roundtrip, found 6 days ago
$369
Roundtrip
found 6 days ago
Select Hawaiian Airlines flight, departing Sat, Nov 1 from Bellingham to Washington, returning Sat, Nov 15, priced at $369 found 6 days ago
American Airlines
Fri, Nov 7 - Mon, Nov 10
BLI
Bellingham
IAD
Washington
$825 Roundtrip, found 19 hours ago
$825
Roundtrip
found 19 hours ago
Select American Airlines flight, departing Fri, Nov 7 from Bellingham to Washington, returning Mon, Nov 10, priced at $825 found 19 hours ago

Alternative airports near Washington

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

Select flight to Ronald Reagan Washington National DCA. Closest option available. Average driving time to city center is 8 minutes. Flights from $579
DCA
Ronald Reagan Washington National
Closest
Average driving time to city center8 min
Flights from $579

Frequently asked questions

How much does a flight from Bellingham Intl. Airport (BLI) to Washington Dulles Intl. Airport (IAD) cost?
Lock in a cheap one-way flight from $203 or cheap return flight from $344 from Bellingham Intl. Airport (BLI) to Washington Dulles Intl. Airport (IAD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Bellingham Intl. Airport (BLI) to Washington Dulles Intl. Airport (IAD)?
Flying in November is a good way to save, as it's the cheapest month for flights between BLI and IAD. You'll typically find the lowest fares during the off-season.
What is the cheapest airline that flies from Bellingham Intl. Airport (BLI) to Washington Dulles Intl. Airport (IAD)?
Use the filters on Expedia to compare different airlines and find the most affordable carrier that'll take you from BLI to IAD. Then, sort your results by "Price (lowest to highest)" to score the best deal available.
How many flights per day from Bellingham Intl. Airport (BLI) to Washington Dulles Intl. Airport (IAD)?
There are no daily direct flights from Bellingham Intl. Airport (BLI) to Washington Dulles Intl. Airport (IAD). But you can choose flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be cruising above the clouds before you know it.
What day of the week has the most flights from BLI to IAD?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can change depending on various factors, such as 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 Bellingham Intl. Airport (BLI) to Washington Dulles Intl. Airport (IAD)?
To land at Washington Dulles Intl. Airport (IAD) on schedule, pick a flight that takes off from Bellingham Intl. Airport (BLI) before 3 PM. The likelihood 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 Bellingham Intl. Airport (BLI) to Washington Dulles Intl. Airport (IAD) last-minute?
Last-minute fares from BLI to IAD are usually more expensive. For the cheapest rates, start searching for flights as soon as possible. That being said, if you're flexible with your travel dates, it's possible to find a cheap ticket right before your trip.
Is it cheaper to book a BLI to IAD flight and hotel package?
Opting for a BLI to IAD flight and hotel package tends to be 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 hotels and then add activities, flights 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 Intl. Airport (BLI) to Washington Dulles Intl. Airport (IAD)?
If you booked your BLI to IAD flight within the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of fare you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you want more information.

Travel information

Origin airport
Bellingham Intl.
Destination airport
Washington Dulles Intl.
Airlines serving
Alaska Airlines, American Airlines, Hawaiian Airlines
Roundtrip price
$344
Distance
2308 mi

Book with confidence

Bellingham to Washington Flights

The cheapest times to fly from Bellingham to Washington

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

 

The best time to book a flight from Bellingham to Washington

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

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 Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $203 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 Washington 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 Washington 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.

 

Bellingham to Washington Flights

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*Available to One Key members.