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Cheap flights from Bellingham to Washington, D.C. from $326

This is the cheapest one-way 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 9/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
7:19 pm - 4:00 pmBLI  Bellingham-DCA Washington, D.C. Reagan-National
17h 41m2 stops Seattle/Tacoma Intl Portland
Alaska Airlines Logo
5:00 pm - 11:44 pmDCA  Washington, D.C. Reagan-National-BLI Bellingham
9h 44m1 stop Seattle/Tacoma Intl
$546Alaska Airlines
Thu, Sep 3 - Wed, Sep 9
Alaska Airlines Logo
2:17 pm - 9:59 pmBLI  Bellingham-DCA Washington, D.C. Reagan-National
28h 42m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
5:00 pm - 11:53 pmDCA  Washington, D.C. Reagan-National-BLI Bellingham
9h 53m1 stop Seattle/Tacoma Intl
$594Alaska Airlines
Tue, Oct 20 - Sat, Oct 24
Alaska Airlines Logo
7:19 pm - 9:59 pmBLI  Bellingham-DCA Washington, D.C. Reagan-National
23h 40m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
5:00 pm - 11:44 pmDCA  Washington, D.C. Reagan-National-BLI Bellingham
9h 44m1 stop Seattle/Tacoma Intl
$601Alaska Airlines
Thu, Sep 3 - Wed, Sep 9
Alaska Airlines Logo
1:58 pm - 9:59 pmBLI  Bellingham-DCA Washington, D.C. Reagan-National
29h 01m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
8:00 am - 1:18 pmDCA  Washington, D.C. Reagan-National-BLI Bellingham
8h 18m1 stop Seattle/Tacoma Intl
$620Alaska Airlines
Sun, Nov 1 - Wed, Nov 4
Alaska Airlines Logo
7:19 pm - 9:00 pmBLI  Bellingham-DCA Washington, D.C. Reagan-National
22h 41m2 stops Seattle/Tacoma Intl San Diego
Alaska Airlines Logo
5:20 pm - 10:31 pmDCA  Washington, D.C. Reagan-National-BLI Bellingham
8h 11m1 stop Portland
$635Alaska Airlines
Fri, Aug 28 - Sun, Sep 6
Alaska Airlines Logo
7:26 pm - 9:00 pmBLI  Bellingham-DCA Washington, D.C. Reagan-National
22h 34m2 stops Seattle/Tacoma Intl San Diego
Alaska Airlines Logo
5:27 pm - 10:31 pmDCA  Washington, D.C. Reagan-National-BLI Bellingham
8h 04m1 stop Portland
$646Alaska Airlines
Mon, Sep 28 - Fri, Oct 2
Alaska Airlines Logo
7:19 pm - 4:20 pmBLI  Bellingham-DCA Washington, D.C. Reagan-National
18h 01m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
5:00 pm - 11:59 pmDCA  Washington, D.C. Reagan-National-BLI Bellingham
9h 59m1 stop Seattle/Tacoma Intl
$655Alaska Airlines
Fri, Aug 28 - Sun, Sep 6
Alaska Airlines Logo
7:18 pm - 5:57 pmBLI  Bellingham-DCA Washington, D.C. Reagan-National
19h 39m2 stops Seattle/Tacoma Intl San Francisco
Alaska Airlines Logo
8:00 am - 1:37 pmDCA  Washington, D.C. Reagan-National-BLI Bellingham
8h 37m1 stop Seattle/Tacoma Intl
$659Alaska Airlines
Tue, Oct 20 - Sat, Oct 24
Alaska Airlines Logo
7:19 pm - 9:00 pmBLI  Bellingham-DCA Washington, D.C. Reagan-National
22h 41m2 stops Seattle/Tacoma Intl San Diego
Alaska Airlines Logo
5:20 pm - 1:12 pmDCA  Washington, D.C. Reagan-National-BLI Bellingham
22h 52m2 stops Portland Seattle/Tacoma Intl
$681Alaska Airlines
Fri, Aug 28 - Sun, Sep 6
Alaska Airlines Logo
7:26 pm - 9:59 pmBLI  Bellingham-DCA Washington, D.C. Reagan-National
23h 33m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
5:27 pm - 10:31 pmDCA  Washington, D.C. Reagan-National-BLI Bellingham
8h 04m1 stop Portland
$686Alaska Airlines
Mon, Sep 28 - Fri, Oct 2

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Alaska Airlines flights from Bellingham to Washington, D.C. Reagan-National Airport

Our best Alaska Airlines deals on Bellingham to Washington, D.C. Reagan-National Airport flight tickets
Alaska Airlines
Sep 3
BLI7:19 pmBellingham
17h 41m
2 stops
DCA4:00 pmWashington, D.C. Reagan-National
Sep 9
DCA5:00 pmWashington, D.C. Reagan-National
9h 44m
1 stop
BLI11:44 pmBellingham
$546
Alaska Airlines
Oct 20
BLI2:17 pmBellingham
28h 42m
1 stop
DCA9:59 pmWashington, D.C. Reagan-National
Oct 24
DCA5:00 pmWashington, D.C. Reagan-National
9h 53m
1 stop
BLI11:53 pmBellingham
$594
Alaska Airlines
Sep 3
BLI7:19 pmBellingham
23h 40m
1 stop
DCA9:59 pmWashington, D.C. Reagan-National
Sep 9
DCA5:00 pmWashington, D.C. Reagan-National
9h 44m
1 stop
BLI11:44 pmBellingham
$601

momondo Fare Finder

 
Customize your flight search to find flights from Bellingham to Washington, D.C. Reagan-National 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 August 13, 2026.
Use the filters below to find and compare flights from Bellingham to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

BellinghamWashington, D.C.

BLI Bellingham - DCA Washington, D.C. Reagan-National

BLIDCA

Bellingham

Thu 9/3

7:19 pm-4:00 pm

2 stops17h 41m

Washington, D.C. Reagan-National

Wed 9/9

5:00 pm-11:44 pm

1 stop9h 44m

$546

BellinghamWashington, D.C.

BLI Bellingham - DCA Washington, D.C. Reagan-National

BLIDCA

Bellingham

Tue 10/20

2:17 pm-9:59 pm

1 stop28h 42m

Washington, D.C. Reagan-National

Sat 10/24

5:00 pm-11:53 pm

1 stop9h 53m

$594

BellinghamWashington, D.C.

BLI Bellingham - DCA Washington, D.C. Reagan-National

BLIDCA

Bellingham

Thu 9/3

7:19 pm-9:59 pm

1 stop23h 40m

Washington, D.C. Reagan-National

Wed 9/9

5:00 pm-11:44 pm

1 stop9h 44m

$601

BellinghamWashington, D.C.

BLI Bellingham - DCA Washington, D.C. Reagan-National

BLIDCA

Bellingham

Sun 11/1

1:58 pm-9:59 pm

1 stop29h 01m

Washington, D.C. Reagan-National

Wed 11/4

8:00 am-1:18 pm

1 stop8h 18m

$620

BellinghamWashington, D.C.

BLI Bellingham - DCA Washington, D.C. Reagan-National

BLIDCA

Bellingham

Fri 8/28

7:19 pm-9:00 pm

2 stops22h 41m

Washington, D.C. Reagan-National

Sun 9/6

5:20 pm-10:31 pm

1 stop8h 11m

$635

BellinghamWashington, D.C.

BLI Bellingham - DCA Washington, D.C. Reagan-National

BLIDCA

Bellingham

Mon 9/28

7:26 pm-9:00 pm

2 stops22h 34m

Washington, D.C. Reagan-National

Fri 10/2

5:27 pm-10:31 pm

1 stop8h 04m

$646

BellinghamWashington, D.C.

BLI Bellingham - DCA Washington, D.C. Reagan-National

BLIDCA

Bellingham

Fri 8/28

7:19 pm-4:20 pm

1 stop18h 01m

Washington, D.C. Reagan-National

Sun 9/6

5:00 pm-11:59 pm

1 stop9h 59m

$655

BellinghamWashington, D.C.

BLI Bellingham - DCA Washington, D.C. Reagan-National

BLIDCA

Bellingham

Tue 10/20

7:18 pm-5:57 pm

2 stops19h 39m

Washington, D.C. Reagan-National

Sat 10/24

8:00 am-1:37 pm

1 stop8h 37m

$659

BellinghamWashington, D.C.

BLI Bellingham - DCA Washington, D.C. Reagan-National

BLIDCA

Bellingham

Fri 8/28

7:19 pm-9:00 pm

2 stops22h 41m

Washington, D.C. Reagan-National

Sun 9/6

5:20 pm-1:12 pm

2 stops22h 52m

$681

BellinghamWashington, D.C.

BLI Bellingham - DCA Washington, D.C. Reagan-National

BLIDCA

Bellingham

Mon 9/28

7:26 pm-9:59 pm

1 stop23h 33m

Washington, D.C. Reagan-National

Fri 10/2

5:27 pm-10:31 pm

1 stop8h 04m

$686

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Bellingham to Washington, D.C. Reagan-National 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 airline that flies from Bellingham to Washington, D.C. Reagan-National?

Alaska Airlines and American Airlines are the most popular carriers operating from Bellingham to Washington, D.C. Reagan-National

When to book flights from Bellingham to Washington, D.C. Reagan-National Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Bellingham to Washington, D.C. Reagan-National 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. Reagan-National Airport (BLI to DCA) flight deals and tips

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

Fastest flight time

17h 41m

Direct flights

None
The fastest flight from Bellingham to Washington, D.C. Reagan-National Airport takes 17h 41m
There are no direct flights from Bellingham to Washington, D.C. Reagan-National Airport. There are no popular flight routes from Bellingham to Washington, D.C. Reagan-National Airport.
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Frequently asked questions about flying from Bellingham to Washington, D.C. Reagan-National Airport

  • How far is Bellingham to Washington, D.C. Reagan-National by plane?

    The straight-line distance from Bellingham to Washington, D.C. Reagan-National is 2327.5 mi. In terms of flight time, this usually takes a little over 17h 41m.

  • When did momondo last update prices for flights from Bellingham Airport to Washington, D.C. Reagan-National Airport?

    Prices for flights from Bellingham Airport to Washington, D.C. Reagan-National Airport refresh daily.

  • How old do you have to be to fly from Bellingham Airport to Washington, D.C. Reagan-National Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Bellingham Airport to Washington, D.C. Reagan-National Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?

    The travel and health documents required for your trip to Washington, D.C. Reagan-National 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. Reagan-National 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
Arlington
Gettysburg
Waldorf
Laurel
Woodbridge
Fredericksburg
Gaithersburg
Linthicum Heights
Rockville
Silver Spring
Towson
Colonial Beach
Springfield
Fairfax
Tysons
Edgewood
Glen Burnie
College Park

Why use momondo?

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

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

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

Yes. momondo allows you to filter the results for Bellingham to Washington, D.C. flights to just show those with flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Washington, D.C. from Bellingham. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

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