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$241+ 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 6/8. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — BLI
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
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Cheap 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 April 29, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$421
(Alaska Airlines)

One-way from

$241
(Alaska Airlines)

Popular in

December

Cheapest in

June

Average price

$594
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Bellingham flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Bellingham flights.
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From Washington, D.C. Dulles Intl to Bellingham
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One-way flight from Washington, D.C. Dulles Intl to Bellingham
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Highest demand for flights based on searches. 29% potential increase in price ($307 potential increase over avg. RT price).
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Cheapest flight prices on average. 11% potential price decrease ($72 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find 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 April 29, 2025.

This Alaska Airlines deal was found by Cheapflights users on 4/29. 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 8/56:13 pmIAD - BLI
1 stop8h 46mAlaska Airlines
Tue 8/124:05 pmBLI - IAD
1 stop28h 54mAlaska Airlines
Deal found 4/29$421
This Mytrip deal was found by Cheapflights users on 4/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1112:40 pmIAD - BLI
2 stops26h 28mMultiple Airlines
Wed 6/1812:00 pmBLI - IAD
2 stops20h 49mMultiple Airlines
Deal found 4/29$442
This Hawaiian Airlines deal was found by Cheapflights users on 4/29. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/119:00 amIAD - BLI
1 stop9h 25mHawaiian Airlines
Wed 6/1812:56 pmBLI - IAD
1 stop8h 03mHawaiian Airlines
Deal found 4/29$473

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 April 29, 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

Tue 8/5

6:13 pm-11:59 pm

1 stop8h 46m

Bellingham

Tue 8/12

4:05 pm-11:59 pm

1 stop28h 54m

$421

Washington, D.C.Bellingham

IAD - BLI

IADBLI

Washington, D.C. Dulles Intl

Wed 6/11

12:40 pm-12:08 pm

2 stops26h 28m

Bellingham

Wed 6/18

12:00 pm-11:49 am

2 stops20h 49m

$442

Washington, D.C.Bellingham

IAD - BLI

IADBLI

Washington, D.C. Dulles Intl

Wed 6/11

9:00 am-3:25 pm

1 stop9h 25m

Bellingham

Wed 6/18

12:56 pm-11:59 pm

1 stop8h 03m

$473

Washington, D.C.Bellingham

IAD - BLI

IADBLI

Washington, D.C. Dulles Intl

Sun 6/8

6:15 pm-11:59 pm

1 stop8h 44m

$241

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
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 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 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 April 29, 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 17% on airfare.

Rainfall in Bellingham by month

Plan your trip to Bellingham by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Bellingham ranges from 1.1 - 5.8 inches per month. November is typically the wettest month, when rainfall can reach 5.8 in. July is typically the driest time to visit Bellingham when rainfall is around 1.1 in.

Temperature in Bellingham by month

Plan your trip to Bellingham by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Bellingham, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 64.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

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 April 29, 2025.
Alaska Airlines
8.0
Very good
9,961 reviews

Crew

8.5

Entertainment

7.1

Food

7.1

Boarding

8.2

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,961 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Crew

8.5

Entertainment

7.1

Food

7.1

Boarding

8.2

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Hawaiian Airlines
7.9
Good
2,405 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Crew

8.5

Entertainment

7.1

Food

7.1

Boarding

8.2

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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.

  • What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Bellingham round-trip?

    Alaska Airlines, at $421, was found to be the cheapest airline from Washington, D.C. Dulles Intl Airport to Bellingham. An alternate airline flying to your destination would be Hawaiian Airlines.

  • 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.

  • What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Bellingham?

    Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Bellingham (average of $317). Flying from Washington, D.C. Dulles Intl Airport to Bellingham in November is currently the most expensive (average of $469). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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
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 April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$388Average$679FlexibilityNo cancel feeOn-time75%

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