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Dulles Intl

$175+ Cheap flights from Bellingham (BLI) to Dulles Intl (IAD)

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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
BLI — IAD
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
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Cheap 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 junio 12, 2025.

Round-trip from

$331
(Trip.com)

One-way from

$175
(Alaska Airlines)

Popular in

May

Cheapest in

August

Average price

$726
From Bellingham to Washington, D.C. Dulles Intl
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One-way flight from Bellingham to Washington, D.C. Dulles Intl
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Highest demand for flights based on searches. 21% potential increase in price ($152 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find 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 junio 12, 2025.

This Trip.com deal was found by Cheapflights users on 6/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/261:08 pmBLI - IAD
1 stop8h 12mHawaiian Airlines
mié. 9/39:00 amIAD - BLI
1 stop9h 07mHawaiian Airlines
Deal found 6/11$331
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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.
mié. 8/271:08 pmBLI - IAD
1 stop8h 12mAlaska Airlines
mié. 9/39:00 amIAD - BLI
1 stop9h 07mAlaska Airlines
Deal found 6/11$339
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 7/176:00 amBLI - IAD
2 stops27h 29mMultiple Airlines
mar. 7/2212:40 pmIAD - BLI
2 stops32h 23mMultiple Airlines
Deal found 6/10$416
This American Airlines deal was found by Cheapflights users on 6/11. 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.
sáb. 8/235:20 amBLI - IAD
2 stops11h 29mAmerican Airlines
jue. 9/41:42 pmIAD - BLI
2 stops13h 17mAmerican Airlines
Deal found 6/11$606

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 junio 12, 2025.
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

mar. 8/26

1:08 pm-12:20 am

1 stop8h 12m

Washington, D.C. Dulles Intl

mié. 9/3

9:00 am-3:07 pm

1 stop9h 07m

$331

BellinghamWashington, D.C.

BLI - IAD

BLIIAD

Bellingham

mié. 8/27

1:08 pm-12:20 am

1 stop8h 12m

Washington, D.C. Dulles Intl

sáb. 9/6

6:09 pm-11:59 pm

1 stop8h 50m

$339

BellinghamWashington, D.C.

BLI - IAD

BLIIAD

Bellingham

jue. 7/17

6:00 am-12:29 pm

2 stops27h 29m

Washington, D.C. Dulles Intl

mar. 7/22

12:40 pm-6:03 pm

2 stops32h 23m

$416

BellinghamWashington, D.C.

BLI - IAD

BLIIAD

Bellingham

sáb. 8/23

5:20 am-7:49 pm

2 stops11h 29m

Washington, D.C. Dulles Intl

jue. 9/4

1:42 pm-11:59 pm

2 stops13h 17m

$606

BellinghamWashington, D.C.

BLI - IAD

BLIIAD

Bellingham

lun. 9/22

3:47 pm-7:32 am

1 stop12h 45m

$175

BellinghamWashington, D.C.

BLI - IAD

BLIIAD

Bellingham

lun. 8/4

6:00 am-11:26 am

3 stops26h 26m

$216

BellinghamWashington, D.C.

BLI - IAD

BLIIAD

Bellingham

lun. 9/22

1:08 pm-12:20 am

1 stop8h 12m

$220

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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.

Cheapflights Insights

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

Rainfall in Dulles Intl by month

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

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

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

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated junio 12, 2025.
Read through reviews of airlines operating flights from Bellingham to Washington, D.C., such as Alaska Airlines, Hawaiian Airlines and American Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

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.

  • 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.

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

    Currently, August is the cheapest month in which you can book a flight from Bellingham to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Bellingham to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $349). 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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