What are the cheapest airlines flying from Washington, D.C. to Bellingham round-trip?

Currently priced at $529, Alaska Airlines will fly you from Washington, D.C. to Bellingham and back. In addition to Alaska Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Hawaiian Airlines and American Airlines - these airlines can fly you to your destination from $675 and $2,052, respectively. Users have found that Alaska Airlines is 27% cheaper than the other options available to this destination.

What are the cheapest airlines to fly from Washington, D.C. to Bellingham one-way?

The cheapest airlines for a one-way flight from Washington, D.C. to Bellingham are Hawaiian Airlines ($179), Alaska Airlines ($318), and American Airlines ($386).

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

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. to Bellingham (average of $317). Flying from Washington, D.C. to Bellingham in November is currently the most expensive (average of $469). 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.

What is the cheapest day to fly from Washington, D.C. to Bellingham?

Travelers seeking maximum savings on their Washington, D.C. to Bellingham flight should consider departing on Saturday afternoons when fares are most often at their lowest. Wednesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

What are the most popular routes from Washington, D.C. to Bellingham?

While some choose either Washington, D.C. Dulles Intl - Bellingham or Baltimore/Washington - Bellingham, Washington, D.C. Reagan-National - Bellingham is the most popular route from Washington, D.C. to Bellingham.

What is the cheapest day to fly round-trip from Washington, D.C. to Bellingham?

Users have found that leaving on a Friday can be a cost-effective option. It’s possible to save up to 72% on your flight compared to booking on days when demand is much higher.

What is the cheapest month to fly from Washington, D.C. to Bellingham?

June is one of the best times of the year to fly to Bellingham from Washington, D.C.. Prices for June average $725 per person but you can even find prices for as low as $452. The most expensive prices can be found in the month of December. Opting for a June flight can save you 99% on your journey compared to booking in December

Most accurate provider : When it comes to deals on Washington, D.C.-Bellingham flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C.-Bellingham flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Bellingham flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Washington, D.C.-Bellingham flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C.-Bellingham flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly into for flights to Bellingham from Washington, D.C.?

Most people fly into Bellingham (BLI) if they book a flight to Bellingham from Washington, D.C.. On average, Bellingham has 0 inbound flights from Washington, D.C. per day from 1 airline. Bellingham is conveniently located just 3.2 mi from Bellingham’s city center.

Can I find deals for flights from Washington, D.C. to Bellingham that include hotel bookings?

Yes. In addition to deals on Washington, D.C. to Bellingham flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Washington, D.C. to Bellingham?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Bellingham.

Can I find deals for business class flights from Washington, D.C. to Bellingham?

Yes. Cheapflights offers flight deals from Washington, D.C. 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.

$179+ Flights from Washington, D.C. to Bellingham

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Cheap flight deals from Washington, D.C. to Bellingham

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$332 (Mytrip)
One-way from	$179 (Hawaiian Airlines)
Popular in	December
Cheapest in	June
Average price	$594

Provider with most accurate pricing for Washington, D.C. (WAS)-Bellingham flight deals.

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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Bellingham flights.

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From Washington, D.C. (WAS) to Bellingham

Search Deals

One-way flight from Washington, D.C. (WAS) to Bellingham

Search Deals

Highest demand for flights based on searches. 29% potential increase in price ($307 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 11% potential price decrease ($72 potential savings vs. average RT price).

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Average for round-trip flights in April 2025

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Find flight deals from Washington, D.C. to Bellingham

Cheapest flights from Washington, D.C. to Bellingham
Explore the most affordable flight options available from Washington, D.C. to Bellingham. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 10, 2025.

Fri 4/259:39 pmBWI - BLI

1 stop19h 33mMultiple Airlines

Tue 4/297:30 amBLI - BWI

2 stops27h 08mMultiple Airlines

Deal found 4/9

$332

Thu 5/2212:49 pmIAD - BLI

2 stops34h 20mMultiple Airlines

Tue 5/2710:00 amBLI - IAD

3 stops46h 47mMultiple Airlines

Deal found 4/9

$483

Mon 10/276:55 pmIAD - BLI

1 stop7h 56mHawaiian Airlines

Sat 11/112:58 pmBLI - IAD

1 stop7h 51mHawaiian Airlines

Deal found 4/9

$521

Mon 10/274:15 pmIAD - BLI

2 stops23h 03mAlaska Airlines

Sat 11/112:58 pmBLI - IAD

1 stop7h 51mAlaska Airlines

Deal found 4/9

$529

Fri 5/99:59 amDCA - BLI

2 stops17h 00mAlaska Airlines

Fri 5/164:05 pmBLI - DCA

2 stops26h 00mAlaska Airlines

Deal found 4/9

$529

Mon 10/275:30 pmDCA - BLI

1 stop7h 35mHawaiian Airlines

Sat 11/15:20 amBLI - DCA

1 stop7h 55mHawaiian Airlines

Deal found 4/9

$597

Fri 4/257:05 pmBWI - BLI

1 stop7h 54mHawaiian Airlines

Tue 4/298:12 amBLI - BWI

1 stop6h 53mHawaiian Airlines

Deal found 4/9

$689

Fri 4/257:06 amBWI - BLI

1 stop10h 05mAlaska Airlines

Tue 4/298:12 amBLI - BWI

1 stop6h 53mAlaska Airlines

Deal found 4/9

$732

Thu 5/223:54 pmDCA - BLI

2 stops11h 05mAmerican Airlines

Tue 5/278:00 amBLI - DCA

2 stops10h 30mAmerican Airlines

Deal found 4/9

$2,052

Best flights from Washington, D.C. to Bellingham
Discover carefully curated flight deals from Washington, D.C. to Bellingham that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 10, 2025.

Fri 4/259:39 pmBWI - BLI

1 stop19h 33mMultiple Airlines

Tue 4/297:30 amBLI - BWI

2 stops27h 08mMultiple Airlines

Deal found 4/9

$332

Fri 5/99:59 amDCA - BLI

2 stops17h 00mAlaska Airlines

Fri 5/164:05 pmBLI - DCA

2 stops26h 00mAlaska Airlines

Deal found 4/9

$529

Fri 4/257:13 pmIAD - BLI

1 stop7h 46mHawaiian Airlines

Tue 4/2912:54 pmBLI - IAD

1 stop8h 04mHawaiian Airlines

Deal found 4/9

$675

Thu 5/2212:49 pmIAD - BLI

2 stops34h 20mMultiple Airlines

Tue 5/2710:00 amBLI - IAD

3 stops46h 47mMultiple Airlines

Deal found 4/9

$483

Thu 5/226:30 amIAD - BLI

1 stop20h 29mAlaska Airlines

Tue 5/274:05 pmBLI - IAD

2 stops21h 09mAlaska Airlines

Deal found 4/9

$553

Fri 4/257:05 pmBWI - BLI

1 stop7h 54mHawaiian Airlines

Tue 4/298:12 amBLI - BWI

1 stop6h 53mHawaiian Airlines

Deal found 4/9

$689

Fri 4/257:06 amBWI - BLI

1 stop10h 05mAlaska Airlines

Tue 4/298:12 amBLI - BWI

1 stop6h 53mAlaska Airlines

Deal found 4/9

$732

Thu 5/223:54 pmDCA - BLI

2 stops11h 05mAmerican Airlines

Tue 5/278:00 amBLI - DCA

2 stops10h 30mAmerican Airlines

Deal found 4/9

$2,052

Last-minute flights from Washington, D.C. to Bellingham
Discover last-minute flight deals from Washington, D.C. to Bellingham. Data last updated April 10, 2025 and is based on user searches.

Fri 4/259:39 pmBWI - BLI

1 stop19h 33mMultiple Airlines

Tue 4/297:30 amBLI - BWI

2 stops27h 08mMultiple Airlines

Deal found 4/9

$332

Fri 4/257:13 pmIAD - BLI

1 stop7h 46mHawaiian Airlines

Tue 4/2912:54 pmBLI - IAD

1 stop8h 04mHawaiian Airlines

Deal found 4/9

$675

Fri 4/257:05 pmBWI - BLI

1 stop7h 54mHawaiian Airlines

Tue 4/298:12 amBLI - BWI

1 stop6h 53mHawaiian Airlines

Deal found 4/9

$689

Fri 4/257:06 amBWI - BLI

1 stop10h 05mAlaska Airlines

Tue 4/298:12 amBLI - BWI

1 stop6h 53mAlaska Airlines

Deal found 4/9

$732

Fri 5/99:59 amDCA - BLI

2 stops17h 00mAlaska Airlines

Fri 5/164:05 pmBLI - DCA

2 stops26h 00mAlaska Airlines

Deal found 4/9

$529

Thu 5/2212:49 pmIAD - BLI

2 stops34h 20mMultiple Airlines

Tue 5/2710:00 amBLI - IAD

3 stops46h 47mMultiple Airlines

Deal found 4/9

$483

Thu 5/226:30 amIAD - BLI

1 stop20h 29mAlaska Airlines

Tue 5/274:05 pmBLI - IAD

2 stops21h 09mAlaska Airlines

Deal found 4/9

$553

Thu 5/223:54 pmDCA - BLI

2 stops11h 05mAmerican Airlines

Tue 5/278:00 amBLI - DCA

2 stops10h 30mAmerican Airlines

Deal found 4/9

$2,052

One-way flights from Washington, D.C. to Bellingham
Search for one-way flight options from Washington, D.C. to Bellingham. Find affordable one-way fares based on user searches. Data last updated April 10, 2025.

Sat 4/195:55 pmDCA - BLI

1 stop9h 04mHawaiian Airlines

Deal found 4/8

$179

Sat 4/198:10 pmBWI - BLI

1 stop19h 04mMultiple Airlines

Deal found 4/8

$202

Sat 4/197:00 amIAD - BLI

1 stop8h 21mHawaiian Airlines

Deal found 4/8

$309

Wed 4/237:05 pmBWI - BLI

1 stop7h 54mAlaska Airlines

Deal found 4/10

$318

Sat 4/199:30 amDCA - BLI

2 stops17h 29mAlaska Airlines

Deal found 4/8

$320

Wed 4/237:00 amIAD - BLI

2 stops16h 42mAlaska Airlines

Deal found 4/10

$364

Wed 4/231:50 pmBWI - BLI

2 stops13h 09mAmerican Airlines

Deal found 4/9

$386

Fri 4/182:12 pmIAD - BLI

2 stops12h 47mAmerican Airlines

Deal found 4/8

$514

Sat 4/199:00 amIAD - BLI

3 stops17h 59mMultiple Airlines

Deal found 4/8

$1,207

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreBellingham

BWI - BLI

BWIBLI

Baltimore/Washington

Fri 4/25

9:39 pm-2:12 pm

1 stop19h 33m

Bellingham

Tue 4/29

7:30 am-1:38 pm

2 stops27h 08m

$332

Washington, D.C.Bellingham

IAD - BLI

IADBLI

Washington, D.C. Dulles Intl

Thu 5/22

12:49 pm-8:09 pm

2 stops34h 20m

Bellingham

Tue 5/27

10:00 am-11:47 am

3 stops46h 47m

$483

Washington, D.C.Bellingham

DCA - BLI

DCABLI

Washington, D.C. Reagan-National

Fri 5/9

9:59 am-11:59 pm

2 stops17h 00m

Bellingham

Fri 5/16

4:05 pm-9:05 pm

2 stops26h 00m

$529

Washington, D.C.Bellingham

IAD - BLI

IADBLI

Washington, D.C. Dulles Intl

Thu 5/22

6:30 am-11:59 pm

1 stop20h 29m

Bellingham

Tue 5/27

4:05 pm-4:14 pm

2 stops21h 09m

$553

Washington, D.C.Bellingham

IAD - BLI

IADBLI

Washington, D.C. Dulles Intl

Fri 4/25

7:13 pm-11:59 pm

1 stop7h 46m

Bellingham

Tue 4/29

12:54 pm-11:58 pm

1 stop8h 04m

$675

BaltimoreBellingham

BWI - BLI

BWIBLI

Baltimore/Washington

Fri 4/25

7:05 pm-11:59 pm

1 stop7h 54m

Bellingham

Tue 4/29

8:12 am-6:05 pm

1 stop6h 53m

$689

BaltimoreBellingham

BWI - BLI

BWIBLI

Baltimore/Washington

Fri 4/25

7:06 am-2:11 pm

1 stop10h 05m

Bellingham

Tue 4/29

8:12 am-6:05 pm

1 stop6h 53m

$732

Washington, D.C.Bellingham

DCA - BLI

DCABLI

Washington, D.C. Reagan-National

Thu 5/22

3:54 pm-11:59 pm

2 stops11h 05m

Bellingham

Tue 5/27

8:00 am-9:30 pm

2 stops10h 30m

$2,052

Washington, D.C.Bellingham

DCA - BLI

DCABLI

Washington, D.C. Reagan-National

Sat 4/19

5:55 pm-11:59 pm

1 stop9h 04m

$179

BaltimoreBellingham

BWI - BLI

BWIBLI

Baltimore/Washington

Sat 4/19

8:10 pm-12:14 pm

1 stop19h 04m

$202

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/8

Showing 1-10 of 17 results

Compare providers for flights from Washington, D.C. to Bellingham

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Washington, D.C. to Bellingham in April.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Washington, D.C.-Bellingham flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C.-Bellingham flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Bellingham flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Washington, D.C.-Bellingham flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C.-Bellingham flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Washington, D.C. to Bellingham

Have a flexible travel schedule? Discover the best time to fly to Bellingham from Washington, D.C. 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. to Bellingham

What is the cheapest time of day to fly from WAS to BLI?

It’s optimal to fly from Washington, D.C. to Bellingham in the afternoon. By choosing this option you can save up to 25% on the cost of your flight, compared to a flight in the morning.

Rainfall in Bellingham by month

In terms of precipitation, rainfall in Bellingham ranges from 1.1 - 5.8 inches per month. November is typically the wettest month, when rainfall can reach 5.8 in. July is typically the driest time to visit Bellingham when rainfall is around 1.1 in.

Temperature in Bellingham by month

If weather is an important factor for your trip to Bellingham, 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 64.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Bellingham

To help decide which airline to fly from Washington, D.C. to Bellingham, see what other customers have to say about Alaska Airlines, Hawaiian Airlines and American Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

9,848 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines

8.0

Very good

9,848 reviews

Alaska Airlines

8.0

Very good

9,848 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Hawaiian Airlines

7.9

Good

2,362 reviews

Alaska Airlines

8.0

Very good

9,848 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

American Airlines

7.2

Good

10,000 reviews

Alaska Airlines

8.0

Very good

9,848 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

What airport do you fly into for flights to Bellingham from Washington, D.C.?
Most people fly into Bellingham (BLI) if they book a flight to Bellingham from Washington, D.C.. On average, Bellingham has 0 inbound flights from Washington, D.C. per day from 1 airline. Bellingham is conveniently located just 3.2 mi from Bellingham’s city center.
What are the cheapest airlines flying from Washington, D.C. to Bellingham round-trip?
Currently priced at $529, Alaska Airlines will fly you from Washington, D.C. to Bellingham and back. In addition to Alaska Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Hawaiian Airlines and American Airlines - these airlines can fly you to your destination from $675 and $2,052, respectively. Users have found that Alaska Airlines is 27% cheaper than the other options available to this destination.
What are the cheapest airlines to fly from Washington, D.C. to Bellingham one-way?
The cheapest airlines for a one-way flight from Washington, D.C. to Bellingham are Hawaiian Airlines ($179), Alaska Airlines ($318), and American Airlines ($386).
What are the most popular routes from Washington, D.C. to Bellingham?
While some choose either Washington, D.C. Dulles Intl - Bellingham or Baltimore/Washington - Bellingham, Washington, D.C. Reagan-National - Bellingham is the most popular route from Washington, D.C. to Bellingham.
Can I find deals for flights from Washington, D.C. to Bellingham that include hotel bookings?
Yes. In addition to deals on Washington, D.C. to Bellingham flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Washington, D.C. to Bellingham?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Bellingham.
Can I find deals for business class flights from Washington, D.C. to Bellingham?
Yes. Cheapflights offers flight deals from Washington, D.C. 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. to Bellingham?
Currently, February is the cheapest month in which you can book a flight from Washington, D.C. to Bellingham (average of $317). Flying from Washington, D.C. to Bellingham in November is currently the most expensive (average of $469). 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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Top airline flying from Washington, D.C. to Bellingham

Airline	Cheapest	Average	Flexibility	On-time
Alaska Airlines	Cheapest$416	Average$704	FlexibilityNo cancel fee	On-time75%

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$179+ Cheap flights from Washington, D.C. (WAS) 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 4/19. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Washington, D.C. to Bellingham with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

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Cheap flight deals from Washington, D.C. to Bellingham

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Find flight deals from Washington, D.C. to Bellingham

Cheapest flights from Washington, D.C. to BellinghamExplore the most affordable flight options available from Washington, D.C. to Bellingham. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 10, 2025.

Explore the most affordable flight options available from Washington, D.C. to Bellingham. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 10, 2025.

Cheapflights Fare Finder

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

Compare providers for flights from Washington, D.C. to Bellingham

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Washington, D.C. to Bellingham in April.

Best time to book a flight from Washington, D.C. to Bellingham

Have a flexible travel schedule? Discover the best time to fly to Bellingham from Washington, D.C. with our price prediction graph.

Cheapflights Insights

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

What is the cheapest time of day to fly from WAS to BLI?

Find hourly flight availability from Washington, D.C. 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 April 10, 2025.

Rainfall in Bellingham by month

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

Temperature in Bellingham by month

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

Reviews of airlines servicing Bellingham

To help decide which airline to fly from Washington, D.C. to Bellingham, see what other customers have to say about Alaska Airlines, Hawaiian Airlines and American Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. 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.?

What are the cheapest airlines flying from Washington, D.C. to Bellingham round-trip?

What are the cheapest airlines to fly from Washington, D.C. to Bellingham one-way?

What are the most popular routes from Washington, D.C. to Bellingham?

Can I find deals for flights from Washington, D.C. to Bellingham that include hotel bookings?

How can I find direct flights from Washington, D.C. to Bellingham?

Can I find deals for business class flights from Washington, D.C. to Bellingham?

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

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

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Alternative routes for Washington, D.C. to Bellingham

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Washington, D.C. to Bellingham

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Cheapest flights from Washington, D.C. to Bellingham
Explore the most affordable flight options available from Washington, D.C. to Bellingham. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 10, 2025.