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Dulles Intl

$380+ Cheap flights from Bellingham (BLI) to Dulles Intl (IAD)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
BLI — IAD
Mar 5 — Mar 121
Thu 3/5
Thu 3/12
1 adult, Economy
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Cheap 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 February 3, 2026.

This Alaska Airlines deal was found by Cheapflights users on 2/2. 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 4/1512:56 pm
BLI
-
IAD
1 stop13h 44m
Alaska Airlines
Thu 4/237:20 pm
IAD
-
BLI
1 stop7h 39m
Alaska Airlines
Deal found 2/2$380
This Alaska Airlines deal was found by Cheapflights users on 2/1. 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.
Thu 4/307:19 pm
BLI
-
IAD
1 stop25h 50m
Alaska Airlines
Mon 5/47:20 pm
IAD
-
BLI
1 stop20h 00m
Alaska Airlines
Deal found 2/1$393
This Alaska Airlines deal was found by Cheapflights users on 2/3. 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 3/186:19 pm
BLI
-
IAD
1 stop8h 21m
Alaska Airlines
Fri 3/207:11 pm
IAD
-
BLI
2 stops30h 39m
Alaska Airlines
Deal found 2/3$512
This Orbitz deal was found by Cheapflights users on 2/3. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/173:55 pm
BLI
-
IAD
2 stops22h 27m
Alaska Airlines
Fri 3/207:00 am
IAD
-
BLI
1 stop8h 16m
Alaska Airlines
Deal found 2/3$551
This Alaska Airlines deal was found by Cheapflights users on 2/2. 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 7/138:00 am
BLI
-
IAD
2 stops20h 32m
Alaska Airlines
Thu 7/166:55 pm
IAD
-
BLI
2 stops32h 14m
Alaska Airlines
Deal found 2/2$553

Find 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 February 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$380
(Alaska Airlines)
Provider with most accurate pricing for Bellingham-Washington, D.C. Dulles Intl flight deals.
Search Deals
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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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 February 3, 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

12:56 pm-5:40 am

1 stop13h 44m

Washington, D.C. Dulles Intl

Thu 4/23

7:10 am-11:59 pm

1 stop19h 49m

$380

BellinghamWashington, D.C.

BLI - IAD

BLIIAD

Bellingham

Thu 4/30

7:19 pm-12:09 am

1 stop25h 50m

Washington, D.C. Dulles Intl

Mon 5/4

7:20 pm-11:59 pm

1 stop7h 39m

$393

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/31

  • 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 13h 44m. 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
Herndon
Fredericksburg
Hanover
Linthicum Heights
Rockville
Laurel
Towson
Upper Marlboro
Manassas
Largo
Bowie
McLean
Clinton

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