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Bellingham

$203+ Cheap flights from Dulles Intl (IAD) to Bellingham (BLI)

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 4/3. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — BLI
Apr 3 — Apr 101
Fri 4/3
Fri 4/10
1 adult, Economy
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Cheap flight deals from Dulles Intl to Bellingham

Cheapest flights from Dulles Intl to Bellingham
Explore the most affordable flight options available from Dulles Intl to Bellingham. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 4, 2026.

This Expedia deal was found by Cheapflights users on 3/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/77:00 am
IAD
-
BLI
1 stop8h 16m
Alaska Airlines
Tue 4/146:19 pm
BLI
-
IAD
1 stop8h 21m
Alaska Airlines
Deal found 3/1$315
This Alaska Airlines deal was found by Cheapflights users on 3/3. 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.
Sat 5/29:00 am
IAD
-
BLI
1 stop12h 39m
Alaska Airlines
Sat 5/91:00 pm
BLI
-
IAD
1 stop8h 09m
Alaska Airlines
Deal found 3/3$333
This Expedia deal was found by Cheapflights users on 3/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/77:00 am
IAD
-
BLI
1 stop8h 16m
Alaska Airlines
Sun 4/126:19 pm
BLI
-
IAD
1 stop8h 21m
Alaska Airlines
Deal found 3/1$340
This Alaska Airlines deal was found by Cheapflights users on 3/3. 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.
Sun 5/106:47 pm
IAD
-
BLI
2 stops23h 34m
Alaska Airlines
Sat 5/162:00 pm
BLI
-
IAD
1 stop6h 59m
Alaska Airlines
Deal found 3/3$355
This Alaska Airlines deal was found by Cheapflights users on 2/28. 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 5/17:10 am
IAD
-
BLI
1 stop8h 10m
Alaska Airlines
Sat 5/91:00 pm
BLI
-
IAD
1 stop8h 09m
Alaska Airlines
Deal found 2/28$382

Find flight deals from Dulles Intl to Bellingham

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Bellingham (BLI). 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 March 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$315
(Expedia)

One-way from

$203
(Expedia)

Popular in

July

Cheapest in

January
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Bellingham flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Bellingham flights.
Search Deals
From Washington, D.C. Dulles Intl to Bellingham
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Bellingham
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($168 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease ($67 potential savings vs. average RT price).
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Bellingham 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 March 4, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Bellingham that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Bellingham

IAD - BLI

IADBLI

Washington, D.C. Dulles Intl

Sat 5/2

9:00 am-6:39 pm

1 stop12h 39m

Bellingham

Sat 5/9

1:00 pm-12:09 am

1 stop8h 09m

$333

Washington, D.C.Bellingham

IAD - BLI

IADBLI

Washington, D.C. Dulles Intl

Sun 5/10

6:47 pm-3:21 pm

2 stops23h 34m

Bellingham

Sat 5/16

2:00 pm-11:59 pm

1 stop6h 59m

$355

Washington, D.C.Bellingham

IAD - BLI

IADBLI

Washington, D.C. Dulles Intl

Fri 5/1

7:10 am-12:20 pm

1 stop8h 10m

Bellingham

Sat 5/9

1:00 pm-12:09 am

1 stop8h 09m

$382

Washington, D.C.Bellingham

IAD - BLI

IADBLI

Washington, D.C. Dulles Intl

Thu 6/11

6:14 pm-11:59 pm

1 stop8h 45m

Bellingham

Tue 6/16

1:49 pm-11:59 pm

1 stop7h 10m

$635

Washington, D.C.Bellingham

IAD - BLI

IADBLI

Washington, D.C. Dulles Intl

Fri 5/22

5:35 pm-10:51 pm

2 stops32h 16m

Bellingham

Tue 5/26

6:00 am-4:35 pm

1 stop7h 35m

$662

Washington, D.C.Bellingham

IAD - BLI

IADBLI

Washington, D.C. Dulles Intl

Fri 4/3

7:00 am-11:59 pm

1 stop19h 59m

$203

Washington, D.C.Bellingham

IAD - BLI

IADBLI

Washington, D.C. Dulles Intl

Fri 4/3

7:15 pm-1:19 pm

3 stops45h 04m

$288

Washington, D.C.Bellingham

IAD - BLI

IADBLI

Washington, D.C. Dulles Intl

Mon 3/30

1:55 pm-5:08 pm

2 stops30h 13m

$363

Washington, D.C.Bellingham

IAD - BLI

IADBLI

Washington, D.C. Dulles Intl

Mon 3/30

7:11 pm-12:16 pm

1 stop20h 05m

$387

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/27

Sorted by cheapest first

Compare providers for flights from Dulles Intl to Bellingham

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to Bellingham in March.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Bellingham flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Bellingham flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Bellingham flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Bellingham 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 Washington, D.C. Dulles Intl Airport-Bellingham 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 Dulles Intl to Bellingham

Have a flexible travel schedule? Discover the best time to fly to Bellingham from Dulles Intl 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.

Reviews of airlines servicing Bellingham

Get insights into the airlines that provide service to Bellingham. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Bellingham. Reviews last updated March 4, 2026.
Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to Bellingham, such as Alaska Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,982 reviews

Entertainment

7.0

Comfort

7.8

Crew

8.5

Overall

8.0

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
Alaska Airlines
8.0
Very good
11,982 reviews
Alaska Airlines
8.0
Very good
11,982 reviews

Entertainment

7.0

Comfort

7.8

Crew

8.5

Overall

8.0

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Bellingham. 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 into for flights to Bellingham from Washington, D.C. Dulles Intl?

    If you book a flight to Bellingham from Washington, D.C. Dulles Intl, you will be flying to Bellingham, which is the city’s only airport. Bellingham (BLI) is located 3.2 mi from the center of Bellingham. There are 0 flights from Washington, D.C. Dulles Intl to Bellingham per day from 1 airline.

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

    There are many flights that can get you from Washington, D.C. Dulles Intl Airport to Bellingham in 12h 39m. Fly via Alaska Airlines to get the fastest option. Washington, D.C. Dulles Intl Airport and Bellingham are separated by a distance of 2307 mi.

  • What is the cheapest airline to fly from Washington, D.C. Dulles Intl Airport to Bellingham round-trip?

    Alaska Airlines, at $388, was found to be the cheapest airline from Washington, D.C. Dulles Intl Airport to Bellingham..

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl to Bellingham 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 Bellingham?

Book flights to Bellingham if you plan to visit one of these locations
Burlington
Mount Vernon
Ferndale
Blaine

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Top airline flying from Dulles Intl to Bellingham

Discover the top airline that operate flights from Dulles Intl to Bellingham. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$388Average$626FlexibilityNo cancel feeOn-time75%

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