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

Alaska Airlines, at $429, was found to be the cheapest airline from Bellingham to Washington, D.C. Dulles Intl Airport. An alternate airline flying to your destination would be American Airlines.

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 June is currently the most expensive (average of $387). 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 Bellingham to Washington, D.C. Dulles Intl Airport?

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

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

Users have found that flying from Bellingham to Washington, D.C. Dulles Intl Airport on a Friday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

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

October is one of the best times of the year to fly to Washington, D.C. Dulles Intl Airport from Bellingham. Prices for October average $595 per person but you can even find prices for as low as $390. The most expensive prices can be found in the month of April. Opting for a October flight can save you 53% on your journey compared to booking in April

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Bellingham to Washington, D.C. Dulles Intl Airport as you normally would.

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

Most trusted provider : When it comes to deals on Bellingham-Washington, D.C. Dulles Intl Airport 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 Bellingham-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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. 1 airline 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.

$359+ Save on Flights from Bellingham to Washington, D.C. Dulles Intl Airport

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Bellingham to Dulles Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Bellingham to Dulles Intl

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$429 (Alaska Airlines)
One-way from	$359 (Alaska Airlines)
Popular in	April
Cheapest in	October
Average price	$578

Provider with most accurate pricing for Bellingham-Washington, D.C. Dulles Intl flight deals.

Search Deals

Provider most trusted by Cheapflights users for Bellingham-Washington, D.C. Dulles Intl flights.

Search Deals

From Bellingham to Washington, D.C. Dulles Intl

Search Deals

One-way flight from Bellingham to Washington, D.C. Dulles Intl

Search Deals

Highest demand for flights based on searches. 7% potential increase in price ($47 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease ($32 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in March 2025

Search Deals

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 March 25, 2025.

Mon 4/216:15 pmBLI - IAD

1 stop26h 43mAlaska Airlines

Sun 4/276:30 amIAD - BLI

1 stop20h 29mAlaska Airlines

Deal found 3/23

$429

Tue 4/85:20 amBLI - IAD

2 stops11h 21mAmerican Airlines

Sat 4/122:12 pmIAD - BLI

2 stops12h 47mAmerican Airlines

Deal found 3/24

$1,635

Best flights from Bellingham to Dulles Intl
Discover carefully curated flight deals from Bellingham to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 25, 2025.

Mon 4/216:15 pmBLI - IAD

1 stop26h 43mAlaska Airlines

Sun 4/276:30 amIAD - BLI

1 stop20h 29mAlaska Airlines

Deal found 3/23

$429

Tue 4/85:20 amBLI - IAD

2 stops11h 21mAmerican Airlines

Sat 4/122:12 pmIAD - BLI

2 stops12h 47mAmerican Airlines

Deal found 3/24

$1,635

Last-minute flights from Bellingham to Dulles Intl
Discover last-minute flight deals from Bellingham to Dulles Intl. Data last updated March 25, 2025 and is based on user searches.

Tue 4/85:20 amBLI - IAD

2 stops11h 21mAmerican Airlines

Sat 4/122:12 pmIAD - BLI

2 stops12h 47mAmerican Airlines

Deal found 3/24

$1,635

Mon 4/216:15 pmBLI - IAD

1 stop26h 43mAlaska Airlines

Sun 4/276:30 amIAD - BLI

1 stop20h 29mAlaska Airlines

Deal found 3/23

$429

One-way flights from Bellingham to Dulles Intl
Search for one-way flight options from Bellingham to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated March 25, 2025.

Sat 4/125:20 amBLI - IAD

1 stop11h 14mAlaska Airlines

Deal found 3/24

$359

Sat 7/57:30 amBLI - IAD

2 stops25h 13mMultiple Airlines

Deal found 3/24

$404

Cheapflights Fare Finder

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

Mon 4/21

6:15 pm-11:58 pm

1 stop26h 43m

Washington, D.C. Dulles Intl

Sun 4/27

6:30 am-11:59 pm

1 stop20h 29m

$429

BellinghamWashington, D.C.

BLI - IAD

BLIIAD

Bellingham

Tue 4/8

5:20 am-7:41 pm

2 stops11h 21m

Washington, D.C. Dulles Intl

Sat 4/12

2:12 pm-11:59 pm

2 stops12h 47m

$1,635

BellinghamWashington, D.C.

BLI - IAD

BLIIAD

Bellingham

Sat 4/12

5:20 am-7:34 pm

1 stop11h 14m

$359

BellinghamWashington, D.C.

BLI - IAD

BLIIAD

Bellingham

Sat 7/5

7:30 am-11:43 am

2 stops25h 13m

$404

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

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

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

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

Alaska Airlines

8.0

Very good

9,782 reviews

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

9,782 reviews

Alaska Airlines

8.0

Very good

9,782 reviews

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

9,782 reviews

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

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. 1 airline 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.
What are the cheapest airlines flying from Bellingham to Washington, D.C. Dulles Intl Airport round-trip?
Alaska Airlines, at $429, was found to be the cheapest airline from Bellingham to Washington, D.C. Dulles Intl Airport. An alternate airline flying to your destination would be American Airlines.
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 June is currently the most expensive (average of $387). 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

Arlington

Alexandria

Fairfax

Tysons

Springfield

Rockville

Woodbridge

Gaithersburg

Fredericksburg

Linthicum Heights

Silver Spring

Falls Church

Laurel

Easton

Herndon

Sterling

Bowie

Gettysburg

National Harbor

Oxon Hill

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Bellingham to Dulles Intl

Complete your trip

Washington, D.C. Dulles Intl Airport car rentals

Washington, D.C. car rentals

Dupont Circle car rentals

Downtown car rentals

Capitol Hill car rentals

Georgetown car rentals

Foggy Bottom - West End car rentals

Southwest Waterfront car rentals

Columbia Heights car rentals

Adams Morgan car rentals

Anacostia car rentals

Petworth car rentals

Other flights to Dulles Intl

South Bend to Dulles Intl flights

Atlanta to Dulles Intl flights

Orlando to Dulles Intl flights

Miami to Dulles Intl flights

Sarasota to Dulles Intl flights

Tampa to Dulles Intl flights

Washington, D.C. Dulles Intl Airport to Miami flights

Washington, D.C. Dulles Intl Airport to South Bend flights

Washington, D.C. Dulles Intl Airport to Tampa flights

Washington, D.C. Dulles Intl Airport to Orlando Airport flights

Washington, D.C. Dulles Intl Airport to Knoxville flights

Washington, D.C. Dulles Intl Airport to South Bend flights

Washington, D.C. Dulles Intl Airport to New York LaGuardia Airport flights

Washington, D.C. Dulles Intl Airport to New York John F Kennedy Intl Airport flights

Washington, D.C. Dulles Intl Airport to Atlanta flights

Washington, D.C. Dulles Intl Airport to Lancaster, Pennsylvania flights

Washington, D.C. Dulles Intl Airport to Sarasota flights

Washington, D.C. Dulles Intl Airport to Savannah flights

Washington, D.C. Dulles Intl Airport to Jacksonville flights

Washington, D.C. Dulles Intl Airport to Ogdensburg flights

Washington, D.C. Dulles Intl Airport to Orlando Airport flights

Washington, D.C. Dulles Intl Airport to Morgantown flights

Washington, D.C. Dulles Intl Airport to Raleigh flights

Washington, D.C. Dulles Intl Airport to Newark Airport flights

Top airline flying from Bellingham to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
Alaska Airlines	Cheapest$504	Average$890	FlexibilityNo cancel fee	On-time75%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$359+ 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 4/12. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Bellingham to Dulles Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Bellingham to Dulles Intl

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Bellingham to Dulles Intl

Cheapest flights from Bellingham to Dulles IntlExplore 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 March 25, 2025.

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 March 25, 2025.

Cheapflights Fare Finder

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

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.

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.

Temperature in Dulles Intl by month

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

Reviews of airlines servicing Dulles Intl

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?

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

Can I find deals for flights from Bellingham to Dulles Intl that include hotel bookings?

How can I find direct flights from Bellingham to Dulles Intl?

Can I find deals for business class flights from Bellingham to Dulles Intl?

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

Traveling to a place near Bellingham?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Bellingham to Dulles Intl

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

Top airline flying from Bellingham to Dulles Intl

100% Free

Book with Flexibility

Travel Smart

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 March 25, 2025.