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Bellingham

$175+ 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 11/20. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — BLI
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
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 September 11, 2025.

Round-trip from

$459
(Alaska Airlines)

One-way from

$175
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$515
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. 35% potential increase in price ($438 potential increase over avg. RT price).
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Cheapest flight prices on average. 9% potential price decrease ($71 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 11, 2025.

This Alaska Airlines deal was found by Cheapflights users on 9/11. 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.
Wed 12/246:43 pmIAD - BLI
1 stop8h 33mAlaska Airlines
Sat 1/34:06 pmBLI - IAD
1 stop11h 07mAlaska Airlines
Deal found 9/11$459
This Alaska Airlines deal was found by Cheapflights users on 9/10. 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.
Fri 10/37:00 amIAD - BLI
1 stop11h 07mAlaska Airlines
Sun 10/54:14 pmBLI - IAD
1 stop12h 19mAlaska Airlines
Deal found 9/10$461
This Alaska Airlines deal was found by Cheapflights users on 9/11. 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 12/227:33 amIAD - BLI
1 stop17h 49mAlaska Airlines
Sat 12/274:06 pmBLI - IAD
1 stop11h 07mAlaska Airlines
Deal found 9/11$575
This Alaska Airlines deal was found by Cheapflights users on 9/10. 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.
Thu 9/259:00 amIAD - BLI
1 stop9h 07mAlaska Airlines
Mon 9/291:08 pmBLI - IAD
1 stop8h 15mAlaska Airlines
Deal found 9/10$722
This Trip.com deal was found by Cheapflights users on 9/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2510:17 amIAD - BLI
2 stops14h 25mMultiple Airlines
Mon 9/291:08 pmBLI - IAD
1 stop8h 15mMultiple Airlines
Deal found 9/10$782
This American Airlines deal was found by Cheapflights users on 9/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/311:18 amIAD - BLI
2 stops13h 27mAmerican Airlines
Sun 10/55:15 amBLI - IAD
2 stops11h 27mAmerican Airlines
Deal found 9/10$855
This Trip.com deal was found by Cheapflights users on 9/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/156:09 pmIAD - BLI
1 stop9h 02mMultiple Airlines
Sun 9/217:30 amBLI - IAD
2 stops22h 47mMultiple Airlines
Deal found 9/10$899
This Alaska Airlines deal was found by Cheapflights users on 9/10. 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.
Mon 9/159:00 amIAD - BLI
1 stop9h 07mAlaska Airlines
Sun 9/215:20 amBLI - IAD
1 stop8h 49mAlaska Airlines
Deal found 9/10$1,176
This American Airlines deal was found by Cheapflights users on 9/11. 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.
Wed 12/241:57 pmIAD - BLI
2 stops11h 25mAmerican Airlines
Sat 1/38:05 amBLI - IAD
2 stops11h 28mAmerican Airlines
Deal found 9/11$1,289

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 September 11, 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

Wed 12/24

6:43 pm-12:16 am

1 stop8h 33m

Bellingham

Sat 1/3

4:06 pm-6:13 am

1 stop11h 07m

$459

Washington, D.C.Bellingham

IAD - BLI

IADBLI

Washington, D.C. Dulles Intl

Tue 3/10

6:55 pm-12:01 am

1 stop8h 06m

Bellingham

Wed 3/11

8:10 am-5:55 pm

1 stop6h 45m

$488

Washington, D.C.Bellingham

IAD - BLI

IADBLI

Washington, D.C. Dulles Intl

Tue 3/10

7:00 am-12:18 pm

1 stop8h 18m

Bellingham

Wed 3/11

8:10 am-5:55 pm

1 stop6h 45m

$488

Washington, D.C.Bellingham

IAD - BLI

IADBLI

Washington, D.C. Dulles Intl

Mon 12/22

7:33 am-10:22 pm

1 stop17h 49m

Bellingham

Sat 12/27

4:06 pm-6:13 am

1 stop11h 07m

$575

Washington, D.C.Bellingham

IAD - BLI

IADBLI

Washington, D.C. Dulles Intl

Thu 9/25

9:00 am-3:07 pm

1 stop9h 07m

Bellingham

Mon 9/29

1:08 pm-12:23 am

1 stop8h 15m

$722

Washington, D.C.Bellingham

IAD - BLI

IADBLI

Washington, D.C. Dulles Intl

Thu 9/25

10:17 am-9:42 pm

2 stops14h 25m

Bellingham

Mon 9/29

1:08 pm-12:23 am

1 stop8h 15m

$782

Washington, D.C.Bellingham

IAD - BLI

IADBLI

Washington, D.C. Dulles Intl

Thu 11/20

11:12 am-7:15 pm

2 stops35h 03m

$175

Washington, D.C.Bellingham

IAD - BLI

IADBLI

Washington, D.C. Dulles Intl

Wed 10/15

6:25 am-12:22 pm

1 stop8h 57m

$209

Washington, D.C.Bellingham

IAD - BLI

IADBLI

Washington, D.C. Dulles Intl

Thu 11/20

7:43 am-12:06 am

1 stop19h 23m

$258

Washington, D.C.Bellingham

IAD - BLI

IADBLI

Washington, D.C. Dulles Intl

Wed 10/15

5:42 pm-12:06 am

2 stops33h 24m

$341

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 12 results
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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 September 11, 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.

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 September 11, 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
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why

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 8h 06m. Fly via Alaska Airlines or Hawaiian Airlines to get the fastest option. Washington, D.C. Dulles Intl Airport and Bellingham are separated by a distance of 2307 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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.

  • 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 $470). 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

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Ferndale
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Alternative routes for Dulles Intl to Bellingham

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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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$388Average$568FlexibilityNo cancel feeOn-time75%

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