What is the cheapest airline that flies from Washington, D.C. Dulles Intl to Bellingham?

Alaska Airlines is the most popular carrier operating from Washington, D.C. Dulles Intl to Bellingham

When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Bellingham Airport?

Prices for flights from Washington, D.C. Dulles Intl Airport to Bellingham Airport are refreshed on a daily basis.

How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Bellingham Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Bellingham Airport.

What documentation or ID do you need to fly to Bellingham Airport?

The necessary travel and health documents for your Bellingham Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$185 Cheap Flights from Washington, D.C. Dulles Intl Airport to Bellingham in 2025/26

1 adult

0 bags

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Bellingham

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:51 pm - 12:18 pmIAD-BLI

21h 27m2 stops

3:30 pm - 5:55 amBLI-IAD

11h 25m1 stop

$408Alaska Airlines

Find Deal

Tue, Mar 10 - Wed, Mar 11

6:55 pm - 12:01 amIAD-BLI

8h 06m1 stop

8:10 am - 5:55 pmBLI-IAD

6h 45m1 stop

$416Alaska Airlines

Find Deal

Tue, Mar 10 - Wed, Mar 11

5:51 pm - 12:18 pmIAD-BLI

21h 27m2 stops

3:30 pm - 5:55 amBLI-IAD

11h 25m1 stop

$428Alaska Airlines

Find Deal

Tue, Mar 10 - Wed, Mar 11

7:00 am - 12:01 amIAD-BLI

20h 01m1 stop

3:30 pm - 5:55 amBLI-IAD

11h 25m1 stop

$443Alaska Airlines

Find Deal

Tue, Mar 10 - Wed, Mar 11

7:34 am - 10:32 pmIAD-BLI

17h 58m1 stop

12:56 pm - 6:13 amBLI-IAD

14h 17m1 stop

$511Alaska Airlines

Find Deal

Wed, Dec 17 - Thu, Jan 1

5:51 pm - 12:18 pmIAD-BLI

21h 27m2 stops

3:30 pm - 5:25 pmBLI-IAD

22h 55m2 stops

$524Alaska Airlines

Find Deal

Tue, Mar 10 - Wed, Mar 11

5:37 pm - 12:16 amIAD-BLI

33h 39m2 stops

5:20 am - 6:13 amBLI-IAD

21h 53m1 stop

$546Alaska Airlines

Find Deal

Wed, Dec 17 - Thu, Jan 1

6:30 pm - 3:41 pmIAD-BLI

24h 11m1 stop

12:56 pm - 6:13 amBLI-IAD

14h 17m1 stop

$633Alaska Airlines

Find Deal

Fri, Dec 12 - Fri, Dec 19

10:48 am - 12:01 amIAD-BLI

16h 13m2 stops

5:20 am - 11:54 pmBLI-IAD

15h 34m2 stops

$653American Airlines

Find Deal

Tue, Mar 10 - Wed, Mar 11

2:16 pm - 9:20 pmIAD-BLI

10h 04m2 stops

9:25 am - 11:07 pmBLI-IAD

10h 42m2 stops

$833American Airlines

Find Deal

Fri, Nov 14 - Tue, Nov 18

American Airlines flights from Washington, D.C. Dulles Intl Airport to Bellingham

Our best American Airlines deals on Washington, D.C. Dulles Intl Airport to Bellingham flight tickets

American Airlines

Mar 10

IAD10:48 amWashington, D.C. Dulles Intl

16h 13m

2 stops

BLI12:01 amBellingham

Mar 11

BLI5:20 amBellingham

15h 34m

2 stops

IAD11:54 pmWashington, D.C. Dulles Intl

$653

Find similar

American Airlines

Nov 14

IAD2:16 pmWashington, D.C. Dulles Intl

10h 04m

2 stops

BLI9:20 pmBellingham

Nov 18

BLI9:25 amBellingham

10h 42m

2 stops

IAD11:07 pmWashington, D.C. Dulles Intl

$833

Find similar

American Airlines

Nov 13

IAD6:24 amWashington, D.C. Dulles Intl

12h 00m

2 stops

BLI3:24 pmBellingham

Nov 17

BLI9:25 amBellingham

10h 42m

2 stops

IAD11:07 pmWashington, D.C. Dulles Intl

$925

Find similar

Alaska Airlines flights from Washington, D.C. Dulles Intl Airport to Bellingham

Our best Alaska Airlines deals on Washington, D.C. Dulles Intl Airport to Bellingham flight tickets

Alaska Airlines

Mar 10

IAD5:51 pmWashington, D.C. Dulles Intl

21h 27m

2 stops

BLI12:18 pmBellingham

Mar 11

BLI3:30 pmBellingham

11h 25m

1 stop

IAD5:55 amWashington, D.C. Dulles Intl

$408

Find similar

Alaska Airlines

Mar 10

IAD6:55 pmWashington, D.C. Dulles Intl

8h 06m

1 stop

BLI12:01 amBellingham

Mar 11

BLI8:10 amBellingham

6h 45m

1 stop

IAD5:55 pmWashington, D.C. Dulles Intl

$416

Find similar

Alaska Airlines

Mar 10

IAD5:51 pmWashington, D.C. Dulles Intl

21h 27m

2 stops

BLI12:18 pmBellingham

Mar 11

BLI3:30 pmBellingham

11h 25m

1 stop

IAD5:55 amWashington, D.C. Dulles Intl

$428

Find similar

momondo Fare Finder

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

Tue 3/10

5:51 pm-12:18 pm

2 stops21h 27m

Bellingham

Wed 3/11

3:30 pm-5:55 am

1 stop11h 25m

$408

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

$416

Washington, D.C.Bellingham

IAD - BLI

IADBLI

Washington, D.C. Dulles Intl

Tue 3/10

5:51 pm-12:18 pm

2 stops21h 27m

Bellingham

Wed 3/11

3:30 pm-5:55 am

1 stop11h 25m

$428

Washington, D.C.Bellingham

IAD - BLI

IADBLI

Washington, D.C. Dulles Intl

Tue 3/10

7:00 am-12:01 am

1 stop20h 01m

Bellingham

Wed 3/11

3:30 pm-5:55 am

1 stop11h 25m

$443

Washington, D.C.Bellingham

IAD - BLI

IADBLI

Washington, D.C. Dulles Intl

Wed 12/17

7:34 am-10:32 pm

1 stop17h 58m

Bellingham

Thu 1/1

12:56 pm-6:13 am

1 stop14h 17m

$511

Washington, D.C.Bellingham

IAD - BLI

IADBLI

Washington, D.C. Dulles Intl

Tue 3/10

5:51 pm-12:18 pm

2 stops21h 27m

Bellingham

Wed 3/11

3:30 pm-5:25 pm

2 stops22h 55m

$524

Washington, D.C.Bellingham

IAD - BLI

IADBLI

Washington, D.C. Dulles Intl

Wed 12/17

5:37 pm-12:16 am

2 stops33h 39m

Bellingham

Thu 1/1

5:20 am-6:13 am

1 stop21h 53m

$546

Washington, D.C.Bellingham

IAD - BLI

IADBLI

Washington, D.C. Dulles Intl

Fri 12/12

6:30 pm-3:41 pm

1 stop24h 11m

Bellingham

Fri 12/19

12:56 pm-6:13 am

1 stop14h 17m

$633

Washington, D.C.Bellingham

IAD - BLI

IADBLI

Washington, D.C. Dulles Intl

Tue 3/10

10:48 am-12:01 am

2 stops16h 13m

Bellingham

Wed 3/11

5:20 am-11:54 pm

2 stops15h 34m

$653

Washington, D.C.Bellingham

IAD - BLI

IADBLI

Washington, D.C. Dulles Intl

Fri 11/14

2:16 pm-9:20 pm

2 stops10h 04m

Bellingham

Tue 11/18

9:25 am-11:07 pm

2 stops10h 42m

$833

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Bellingham

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest day to depart on your flight to Bellingham?

On average, the least expensive day to fly to Bellingham from Washington, D.C. Dulles Intl Airport is on a Saturday. momondo users have found tickets for Saturday departures for as low as $489. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Washington, D.C. Dulles Intl Airport to Bellingham for around $844.

What is the cheapest time of day to depart on your flight to Bellingham?

The cheapest time of day to fly to Bellingham is in the evening when flights can be purchased for as low as $515. In the morning is when there is more demand to fly to Bellingham, so prices are often more expensive at around $686 per ticket.

When to book flights from Washington, D.C. Dulles Intl Airport to Bellingham

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport to Bellingham according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Washington, D.C. Dulles Intl Airport to Bellingham (IAD to BLI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Bellingham

Direct flights	None

There are no direct flights from Washington, D.C. Dulles Intl Airport to Bellingham. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to Bellingham.

Search flight deals

How far is Washington, D.C. Dulles Intl to Bellingham by plane?
There are 2305.3 mi between Washington, D.C. Dulles Intl and Bellingham. A reasonable flight in good conditions will take 7h 43m.
When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Bellingham Airport?
Prices for flights from Washington, D.C. Dulles Intl Airport to Bellingham Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Bellingham Airport?
The number of operators available for flights from Washington, D.C. Dulles Intl Airport to Bellingham Airport is 1 as of October 2025.
How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Bellingham Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Bellingham Airport.
What documentation or ID do you need to fly to Bellingham Airport?
The necessary travel and health documents for your Bellingham Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Washington, D.C. Dulles Intl Airport to Bellingham?
Based on momondo bookings for flights between Washington, D.C. Dulles Intl Airport and Bellingham, the leading airline is Alaska Airlines, making up 100% of the total bookings.

Best airlines flying from Washington, D.C. Dulles Intl Airport to Bellingham

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Bellingham with momondo

Airline	Rating	Free Cancellation	Price
Alaska Airlines	PriceFrom $388	Free Cancellation	Rating 8.0 11,217 reviews		Search Alaska Airlines flights

Mount Vernon

Burlington

Ferndale

Blaine

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Bellingham?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington, D.C. to Bellingham. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Washington, D.C. to Bellingham with flexible booking policies on momondo?

Flights from Washington, D.C. to Bellingham with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Washington, D.C. to Bellingham?

momondo helps you find the best flight between Washington, D.C. and Bellingham by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Washington, D.C. to Bellingham right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Bellingham from Washington, D.C.. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Bellingham trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Sat 11/29

Sat 12/6

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Cheap flights from Washington, D.C. Dulles Intl Airport to Bellingham from $185

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Bellingham

Cheap round-trip flights

Cheap one-way flights

American Airlines flights from Washington, D.C. Dulles Intl Airport to Bellingham

Our best American Airlines deals on Washington, D.C. Dulles Intl Airport to Bellingham flight tickets

Alaska Airlines flights from Washington, D.C. Dulles Intl Airport to Bellingham

Our best Alaska Airlines deals on Washington, D.C. Dulles Intl Airport to Bellingham flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Bellingham that are best for you.

See travel insights to Bellingham from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Bellingham

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Bellingham?

What is the cheapest time of day to depart on your flight to Bellingham?

The cheapest time of day to fly to Bellingham is in the evening when flights can be purchased for as low as $515. In the morning is when there is more demand to fly to Bellingham, so prices are often more expensive at around $686 per ticket.

What is the cheapest airline that flies from Washington, D.C. Dulles Intl to Bellingham?

Alaska Airlines is the most popular carrier operating from Washington, D.C. Dulles Intl to Bellingham

When to book flights from Washington, D.C. Dulles Intl Airport to Bellingham

Cheap Washington, D.C. Dulles Intl Airport to Bellingham (IAD to BLI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Bellingham

Direct flights

How far is Washington, D.C. Dulles Intl to Bellingham by plane?

When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Bellingham Airport?

How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Bellingham Airport?

How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Bellingham Airport?

What documentation or ID do you need to fly to Bellingham Airport?

What is the most popular airline from Washington, D.C. Dulles Intl Airport to Bellingham?

Best airlines flying from Washington, D.C. Dulles Intl Airport to Bellingham

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Bellingham with momondo

Traveling to a place near Bellingham?

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Bellingham?

Can I find flights from Washington, D.C. to Bellingham with flexible booking policies on momondo?

How can momondo help me find flights from Washington, D.C. to Bellingham?

I’m not ready to book a flight from Washington, D.C. to Bellingham right now. Can momondo alert me if prices change?

An easier way to manage your Bellingham trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Washington