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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 1/25. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — BLI
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
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 December 12, 2025.

This Alaska Airlines deal was found by Cheapflights users on 12/9. 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 12/257:33 amIAD - BLI
1 stop19h 43mAlaska Airlines
Mon 12/295:20 amBLI - IAD
1 stop9h 23mAlaska Airlines
Deal found 12/9$941
This Alaska Airlines deal was found by Cheapflights users on 12/10. 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.
Tue 12/236:43 pmIAD - BLI
1 stop20h 33mAlaska Airlines
Wed 12/3112:56 pmBLI - IAD
1 stop25h 47mAlaska Airlines
Deal found 12/10$978
This Alaska Airlines deal was found by Cheapflights users on 12/11. 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 12/266:43 pmIAD - BLI
1 stop30h 39mAlaska Airlines
Tue 12/3012:56 pmBLI - IAD
1 stop25h 47mAlaska Airlines
Deal found 12/11$1,179
This Alaska Airlines deal was found by Cheapflights users on 12/11. 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 12/226:43 pmIAD - BLI
1 stop8h 33mAlaska Airlines
Sat 12/2712:56 pmBLI - IAD
1 stop25h 47mAlaska Airlines
Deal found 12/11$1,205
This American Airlines deal was found by Cheapflights users on 12/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:35 amIAD - BLI
2 stops11h 51mAmerican Airlines
Mon 12/298:05 amBLI - IAD
2 stops11h 28mAmerican Airlines
Deal found 12/9$1,225
This American Airlines deal was found by Cheapflights users on 12/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/261:57 pmIAD - BLI
2 stops13h 19mAmerican Airlines
Tue 12/308:05 amBLI - IAD
2 stops11h 28mAmerican Airlines
Deal found 12/11$1,320
This American Airlines deal was found by Cheapflights users on 12/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/226:35 amIAD - BLI
2 stops11h 51mAmerican Airlines
Sat 12/278:05 amBLI - IAD
2 stops11h 28mAmerican Airlines
Deal found 12/11$1,605

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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$326
(Alaska Airlines)

One-way from

$203
(Alaska Airlines)

Popular in

July

Cheapest in

October

Average price

$697
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. 17% potential increase in price ($156 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($59 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
Search Deals

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 December 12, 2025.
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

Dulles Intl

Fly to

Bellingham

Route

Depart

Return

Price

Washington, D.C.Bellingham

IAD - BLI

IADBLI

Washington, D.C. Dulles Intl

Mon 1/12

6:04 pm-12:23 pm

1 stop21h 19m

Bellingham

Mon 1/19

9:15 am-4:26 pm

1 stop28h 11m

$345

Washington, D.C.Bellingham

IAD - BLI

IADBLI

Washington, D.C. Dulles Intl

Mon 1/12

6:04 pm-12:23 pm

1 stop21h 19m

Bellingham

Tue 1/20

1:03 pm-5:04 pm

2 stops25h 01m

$384

Washington, D.C.Bellingham

IAD - BLI

IADBLI

Washington, D.C. Dulles Intl

Thu 1/8

6:04 pm-12:06 am

1 stop9h 02m

Bellingham

Fri 1/9

5:15 am-4:26 pm

1 stop8h 11m

$416

Washington, D.C.Bellingham

IAD - BLI

IADBLI

Washington, D.C. Dulles Intl

Wed 1/7

6:04 pm-12:06 am

1 stop9h 02m

Bellingham

Sun 1/11

1:03 pm-5:04 pm

2 stops25h 01m

$554

Washington, D.C.Bellingham

IAD - BLI

IADBLI

Washington, D.C. Dulles Intl

Sun 1/25

6:04 pm-12:06 am

1 stop9h 02m

$203

Washington, D.C.Bellingham

IAD - BLI

IADBLI

Washington, D.C. Dulles Intl

Wed 1/28

6:04 pm-12:06 am

1 stop9h 02m

$203

Washington, D.C.Bellingham

IAD - BLI

IADBLI

Washington, D.C. Dulles Intl

Mon 1/26

6:04 pm-12:06 am

1 stop9h 02m

$203

Washington, D.C.Bellingham

IAD - BLI

IADBLI

Washington, D.C. Dulles Intl

Tue 1/27

6:04 pm-12:06 am

1 stop9h 02m

$203

Washington, D.C.Bellingham

IAD - BLI

IADBLI

Washington, D.C. Dulles Intl

Sun 1/25

10:50 am-8:48 pm

3 stops36h 58m

$207

Washington, D.C.Bellingham

IAD - BLI

IADBLI

Washington, D.C. Dulles Intl

Thu 1/22

6:04 pm-12:23 pm

1 stop21h 19m

$219

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 14 results
1
2

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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Washington, D.C. Dulles Intl Airport-Bellingham flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Bellingham

What is the cheapest time of day to fly from IAD to BLI?

Find hourly flight availability from Dulles Intl to Bellingham. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.

One of the essential ways to save on airfare from Washington, D.C. Dulles Intl Airport to Bellingham is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 19% on airfare.

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 December 12, 2025.
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
11,432 reviews

Entertainment

7.0

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

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
11,432 reviews
Alaska Airlines
8.0
Very good
11,432 reviews

Entertainment

7.0

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

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 21h 19m. 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
Mount Vernon
Burlington
Ferndale
Blaine

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Alternative routes for Dulles Intl to Bellingham

See prices for flight routes from nearby airports that may be better suited for you.
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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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$388Average$568FlexibilityNo cancel feeOn-time75%

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