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Dulles Intl

$239+ Cheap flights from Bellingham (BLI) to Dulles Intl (IAD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/23. Fares are subject to change and may not be available on all flights or dates of travel.
BLI — IAD
Feb 14 — Feb 211
Sat 2/14
Sat 2/21
1 adult, Economy
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Cheap flight deals from Bellingham to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Bellingham (BLI) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 15, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$383
(Alaska Airlines)

One-way from

$239
(Kiwi.com)
Provider with most accurate pricing for Bellingham-Washington, D.C. Dulles Intl flight deals.
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Provider most trusted by Cheapflights users for Bellingham-Washington, D.C. Dulles Intl flights.
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From Bellingham to Washington, D.C. Dulles Intl
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One-way flight from Bellingham to Washington, D.C. Dulles Intl
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Find flight deals from Bellingham to Dulles Intl

Cheapest flights from Bellingham to Dulles Intl
Explore the most affordable flight options available from Bellingham to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 15, 2026.

This Alaska Airlines deal was found by Cheapflights users on 1/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/156:19 pm
BLI
-
IAD
1 stop20h 52m
Alaska Airlines
Thu 4/237:10 am
IAD
-
BLI
1 stop8h 10m
Alaska Airlines
Deal found 1/12$383
This Alaska Airlines deal was found by Cheapflights users on 1/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/24:19 pm
BLI
-
IAD
1 stop22h 01m
Alaska Airlines
Wed 3/47:05 am
IAD
-
BLI
1 stop11h 10m
Alaska Airlines
Deal found 1/12$425
This Alaska Airlines deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/121:54 pm
BLI
-
IAD
1 stop7h 05m
Alaska Airlines
Mon 6/156:05 am
IAD
-
BLI
1 stop21h 04m
Alaska Airlines
Deal found 1/14$588

Cheapflights Fare Finder

 
Customize your flight search to find flights from Bellingham to Dulles Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 15, 2026.
Use the filters below to find and compare flights from Bellingham to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Bellingham

Fly to

Dulles Intl

Route

Depart

Return

Price

BellinghamWashington, D.C.

BLI - IAD

BLIIAD

Bellingham

Wed 4/15

6:19 pm-6:11 pm

1 stop20h 52m

Washington, D.C. Dulles Intl

Thu 4/23

7:10 am-12:20 pm

1 stop8h 10m

$383

BellinghamWashington, D.C.

BLI - IAD

BLIIAD

Bellingham

Mon 3/2

4:19 pm-5:20 pm

1 stop22h 01m

Washington, D.C. Dulles Intl

Wed 3/4

7:05 am-3:15 pm

1 stop11h 10m

$425

BellinghamWashington, D.C.

BLI - IAD

BLIIAD

Bellingham

Mon 2/23

3:05 pm-2:09 pm

3 stops44h 04m

$239

BellinghamWashington, D.C.

BLI - IAD

BLIIAD

Bellingham

Sun 2/22

1:05 pm-2:09 pm

3 stops46h 04m

$264

BellinghamWashington, D.C.

BLI - IAD

BLIIAD

Bellingham

Sun 2/22

11:53 am-5:27 pm

2 stops26h 34m

$284

BellinghamWashington, D.C.

BLI - IAD

BLIIAD

Bellingham

Mon 7/13

7:19 pm-11:59 pm

1 stop25h 40m

$302

BellinghamWashington, D.C.

BLI - IAD

BLIIAD

Bellingham

Mon 2/23

4:19 pm-5:27 pm

2 stops46h 08m

$302

BellinghamWashington, D.C.

BLI - IAD

BLIIAD

Bellingham

Mon 7/13

6:00 am-2:17 pm

2 stops29h 17m

$331

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/14

  • Most accurate provider: When it comes to deals on Bellingham-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Bellingham-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Bellingham-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Bellingham-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Bellingham-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Bellingham to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Bellingham with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Bellingham to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Bellingham to Washington, D.C. Dulles Intl?

    Bellingham (BLI), located 3.2 mi from the city center, is the airport you fly out of when you book flights from Bellingham to Washington, D.C. Dulles Intl. 0 airlines have flights from Bellingham to Washington, D.C. Dulles Intl on a regular basis. Booking flights from Bellingham to Washington, D.C. Dulles Intl should not be difficult; the airport handles an average of 0 outbound flights to Washington, D.C. Dulles Intl per day.

  • How long is the flight from Bellingham to Washington, D.C. Dulles Intl Airport?

    Departing from Bellingham to Washington, D.C. Dulles Intl Airport will take you 20h 52m. There are 2307 mi between Bellingham and Washington, D.C. Dulles Intl Airport.

  • Can I find deals for flights from Bellingham to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on Bellingham to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Bellingham to Dulles Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Bellingham to Dulles Intl.

  • Can I find deals for business class flights from Bellingham to Dulles Intl?

    Yes. Cheapflights offers flight deals from Bellingham to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Silver Spring
Hanover
Fredericksburg
Linthicum Heights
Rockville
Laurel
Towson
Manassas
National Harbor
Largo
Bowie
McLean
Clinton
Herndon

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