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Cheap flights from Bellingham to Washington, D.C. from $374

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Bellingham to Washington, D.C. departing on 2/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

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Alaska Airlines Logo
5:15 am - 5:20 pm
BLI
-
IAD
9h 05m1 stop
Alaska Airlines Logo
6:27 pm - 11:13 am
IAD
-
BLI
19h 46m1 stop
$374Alaska Airlines
Thu, Feb 26 - Sun, Mar 1
Alaska Airlines Logo
12:56 pm - 5:40 am
BLI
-
IAD
13h 44m1 stop
Alaska Airlines Logo
7:10 am - 12:20 pm
IAD
-
BLI
8h 10m1 stop
$402Alaska Airlines
Wed, Apr 15 - Thu, Apr 23
Alaska Airlines Logo
5:20 am - 5:40 am
BLI
-
IAD
21h 20m1 stop
Alaska Airlines Logo
7:10 am - 11:59 pm
IAD
-
BLI
19h 49m1 stop
$412Alaska Airlines
Wed, Apr 15 - Thu, Apr 23
Alaska Airlines Logo
5:15 am - 5:20 pm
BLI
-
IAD
9h 05m1 stop
Alaska Airlines Logo
6:20 pm - 11:13 am
IAD
-
BLI
19h 53m2 stops
$413Alaska Airlines
Thu, Feb 26 - Sun, Mar 1
Alaska Airlines Logo
8:15 am - 5:40 am
BLI
-
IAD
18h 25m2 stops
Alaska Airlines Logo
7:10 am - 12:20 pm
IAD
-
BLI
8h 10m1 stop
$481Alaska Airlines
Wed, Apr 15 - Thu, Apr 23
Alaska Airlines Logo
5:20 am - 5:22 pm
BLI
-
IAD
33h 02m2 stops
Alaska Airlines Logo
7:10 am - 12:20 pm
IAD
-
BLI
8h 10m1 stop
$485Alaska Airlines
Wed, Apr 15 - Thu, Apr 23
American Airlines Logo
5:20 am - 7:36 pm
BLI
-
IAD
11h 16m2 stops
American Airlines Logo
2:12 pm - 11:59 pm
IAD
-
BLI
12h 47m2 stops
$559American Airlines
Wed, Apr 15 - Thu, Apr 23
Alaska Airlines Logo
1:03 pm - 5:04 pm
BLI
-
IAD
49h 01m2 stops
Alaska Airlines Logo
6:04 pm - 12:23 pm
IAD
-
BLI
21h 19m1 stop
$562Alaska Airlines
Fri, Jan 9 - Tue, Jan 13
Alaska Airlines Logo
5:15 am - 4:26 pm
BLI
-
IAD
8h 11m1 stop
Alaska Airlines Logo
6:04 pm - 12:06 am
IAD
-
BLI
9h 02m1 stop
$584Alaska Airlines
Fri, Jan 9 - Tue, Jan 13
Alaska Airlines Logo
12:56 pm - 5:04 pm
BLI
-
IAD
25h 08m2 stops
Alaska Airlines Logo
6:04 pm - 12:23 pm
IAD
-
BLI
21h 19m1 stop
$614Alaska Airlines
Tue, Jan 6 - Tue, Jan 27

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

Our best Alaska Airlines deals on Bellingham to Washington, D.C. Dulles Intl Airport flight tickets
Alaska Airlines
Feb 26
BLI5:15 amBellingham
9h 05m
1 stop
IAD5:20 pmWashington, D.C. Dulles Intl
Mar 1
IAD6:27 pmWashington, D.C. Dulles Intl
19h 46m
1 stop
BLI11:13 amBellingham
$374
Find similar
Alaska Airlines
Apr 15
BLI12:56 pmBellingham
13h 44m
1 stop
IAD5:40 amWashington, D.C. Dulles Intl
Apr 23
IAD7:10 amWashington, D.C. Dulles Intl
8h 10m
1 stop
BLI12:20 pmBellingham
$402
Find similar
Alaska Airlines
Apr 15
BLI5:20 amBellingham
21h 20m
1 stop
IAD5:40 amWashington, D.C. Dulles Intl
Apr 23
IAD7:10 amWashington, D.C. Dulles Intl
19h 49m
1 stop
BLI11:59 pmBellingham
$412
Find similar

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

Our best American Airlines deals on Bellingham to Washington, D.C. Dulles Intl Airport flight tickets
American Airlines
Apr 15
BLI5:20 amBellingham
11h 16m
2 stops
IAD7:36 pmWashington, D.C. Dulles Intl
Apr 23
IAD2:12 pmWashington, D.C. Dulles Intl
12h 47m
2 stops
BLI11:59 pmBellingham
$559
Find similar
American Airlines
Jan 6
BLI8:05 amBellingham
10h 12m
2 stops
IAD9:17 pmWashington, D.C. Dulles Intl
Jan 27
IAD1:08 pmWashington, D.C. Dulles Intl
13h 58m
2 stops
BLI12:06 amBellingham
$898
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Bellingham to Washington, D.C. Dulles Intl Airport 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, momondo users made 832,500 searches. Data last updated December 23, 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

Fly to

Route

Depart

Return

Price

BellinghamWashington, D.C.

BLI - IAD

BLIIAD

Bellingham

Thu 2/26

5:15 am-5:20 pm

1 stop9h 05m

Washington, D.C. Dulles Intl

Sun 3/1

6:27 pm-11:13 am

1 stop19h 46m

$374

BellinghamWashington, D.C.

BLI - IAD

BLIIAD

Bellingham

Wed 4/15

12:56 pm-5:40 am

1 stop13h 44m

Washington, D.C. Dulles Intl

Thu 4/23

7:10 am-12:20 pm

1 stop8h 10m

$402

BellinghamWashington, D.C.

BLI - IAD

BLIIAD

Bellingham

Wed 4/15

5:20 am-5:40 am

1 stop21h 20m

Washington, D.C. Dulles Intl

Thu 4/23

7:10 am-11:59 pm

1 stop19h 49m

$412

BellinghamWashington, D.C.

BLI - IAD

BLIIAD

Bellingham

Thu 2/26

5:15 am-5:20 pm

1 stop9h 05m

Washington, D.C. Dulles Intl

Sun 3/1

6:20 pm-11:13 am

2 stops19h 53m

$413

BellinghamWashington, D.C.

BLI - IAD

BLIIAD

Bellingham

Wed 4/15

8:15 am-5:40 am

2 stops18h 25m

Washington, D.C. Dulles Intl

Thu 4/23

7:10 am-12:20 pm

1 stop8h 10m

$481

BellinghamWashington, D.C.

BLI - IAD

BLIIAD

Bellingham

Wed 4/15

5:20 am-5:22 pm

2 stops33h 02m

Washington, D.C. Dulles Intl

Thu 4/23

7:10 am-12:20 pm

1 stop8h 10m

$485

BellinghamWashington, D.C.

BLI - IAD

BLIIAD

Bellingham

Wed 4/15

5:20 am-7:36 pm

2 stops11h 16m

Washington, D.C. Dulles Intl

Thu 4/23

2:12 pm-11:59 pm

2 stops12h 47m

$559

BellinghamWashington, D.C.

BLI - IAD

BLIIAD

Bellingham

Fri 1/9

1:03 pm-5:04 pm

2 stops49h 01m

Washington, D.C. Dulles Intl

Tue 1/13

6:04 pm-12:23 pm

1 stop21h 19m

$562

BellinghamWashington, D.C.

BLI - IAD

BLIIAD

Bellingham

Fri 1/9

5:15 am-4:26 pm

1 stop8h 11m

Washington, D.C. Dulles Intl

Tue 1/13

6:04 pm-12:06 am

1 stop9h 02m

$584

BellinghamWashington, D.C.

BLI - IAD

BLIIAD

Bellingham

Tue 1/6

12:56 pm-5:04 pm

2 stops25h 08m

Washington, D.C. Dulles Intl

Tue 1/27

6:04 pm-12:23 pm

1 stop21h 19m

$614

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Washington, D.C. from

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

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 Washington, D.C. Dulles Intl Airport?

Our data shows that Tuesday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $687. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Bellingham to Washington, D.C. Dulles Intl Airport for around $951.

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

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

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

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

Fastest flight time

8h 11m

Direct flights

None
The fastest flight from Bellingham to Washington, D.C. Dulles Intl Airport takes 8h 11m
There are no direct flights from Bellingham to Washington, D.C. Dulles Intl Airport. There are no popular flight routes from Bellingham to Washington, D.C. Dulles Intl Airport.
Search flight deals

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

    The distance between Bellingham and Washington, D.C. Dulles Intl is about 2305.3 mi. By plane, this route typically takes 8h 11m.

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

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

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

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The travel and health documents required for your trip to Washington, D.C. Dulles Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C. Dulles Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Winchester
Waldorf
Woodbridge
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Rockville
Harpers Ferry
Gaithersburg
Reston
Manassas
Sterling
Fairfax

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Washington, D.C. from Bellingham.

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

Yes. momondo enables you to select and highlight flights to Washington, D.C. from Bellingham with this policy.

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

momondo helps you find the best flight between Bellingham and Washington, D.C. 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 Bellingham to Washington, D.C. right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Washington, D.C. from Bellingham. 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.

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