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Washington, D.C.

$187+ Cheap flights from Billings (BIL) to Washington, D.C. (WAS)

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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — WAS
Mar 12 — Mar 191
Thu 3/12
Thu 3/19
1 adult, Economy
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Cheap flight deals from Billings to Washington, D.C.

Cheapest flights from Billings to Washington, D.C.
Explore the most affordable flight options available from Billings to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 10, 2026.

This Alaska Airlines deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:00 am
BIL
-
BWI
1 stop10h 06m
Alaska Airlines
Sat 10/317:51 am
BWI
-
BIL
1 stop9h 17m
Alaska Airlines
Deal found 2/8$309
This Delta deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/106:25 am
BIL
-
IAD
1 stop5h 07m
Delta
Tue 3/172:15 pm
IAD
-
BIL
1 stop8h 04m
Delta
Deal found 2/8$309
This Delta deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/106:21 pm
BIL
-
BWI
1 stop9h 30m
Delta
Tue 3/1711:45 am
BWI
-
BIL
2 stops10h 34m
Delta
Deal found 2/8$314
This Delta deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/86:21 pm
BIL
-
BWI
1 stop9h 30m
Delta
Sat 4/113:03 pm
BWI
-
BIL
1 stop7h 16m
Delta
Deal found 2/9$319
This Delta deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/105:15 am
BIL
-
DCA
2 stops11h 03m
Delta
Tue 3/1712:29 pm
DCA
-
BIL
2 stops9h 50m
Delta
Deal found 2/8$319
This Delta deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/86:21 pm
BIL
-
BWI
1 stop9h 30m
Delta
Tue 4/1412:27 pm
BWI
-
BIL
2 stops9h 39m
Delta
Deal found 2/9$324
This United Airlines deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/222:35 pm
BIL
-
BWI
1 stop6h 49m
United Airlines
Tue 4/284:18 pm
BWI
-
BIL
1 stop8h 25m
United Airlines
Deal found 2/8$334
This American Airlines deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/136:00 am
BIL
-
DCA
1 stop8h 16m
American Airlines
Wed 8/195:45 pm
DCA
-
BIL
1 stop7h 14m
American Airlines
Deal found 2/7$334
This American Airlines deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/265:27 am
BIL
-
IAD
1 stop9h 23m
American Airlines
Tue 3/311:30 am
IAD
-
BIL
2 stops14h 05m
American Airlines
Deal found 2/7$339
This Alaska Airlines deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/27:21 pm
BIL
-
BWI
1 stop9h 07m
Alaska Airlines
Sun 6/75:30 pm
BWI
-
BIL
1 stop23h 24m
Alaska Airlines
Deal found 2/8$354
This Expedia deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:17 pm
BIL
-
IAD
1 stop10h 11m
Alaska Airlines
Mon 9/287:18 pm
IAD
-
BIL
1 stop21h 50m
Alaska Airlines
Deal found 2/7$354
This Expedia deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/107:00 am
BIL
-
DCA
1 stop12h 59m
Alaska Airlines
Tue 3/178:00 am
DCA
-
BIL
1 stop17h 38m
Alaska Airlines
Deal found 2/8$363

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

Discover tips and strategies to find the most affordable flight options for your journey from Billings (BIL) to Washington, D.C. (WAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$309
(Delta)

One-way from

$187
(Alaska Airlines)
Provider with most accurate pricing for Billings Logan Intl-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Billings Logan Intl-Washington, D.C. (WAS) flights.
Search Deals
From Billings Logan Intl to Washington, D.C. (WAS)
Search Deals
One-way flight from Billings Logan Intl to Washington, D.C. (WAS)
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Billings to Washington, D.C. 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, Cheapflights users made 2,558,603 searches. Data last updated February 10, 2026.
Use the filters below to find and compare flights from Billings to Washington, D.C. that are best for you.

Fly from

Billings

Fly to

Washington, D.C.

Route

Depart

Return

Price

BillingsBaltimore

BIL - BWI

BILBWI

Billings Logan Intl

Tue 3/10

6:21 pm-5:51 am

1 stop9h 30m

Baltimore/Washington

Tue 3/17

11:45 am-8:19 pm

2 stops10h 34m

$314

BillingsWashington, D.C.

BIL - IAD

BILIAD

Billings Logan Intl

Tue 3/10

5:15 am-6:33 pm

2 stops11h 18m

Washington, D.C. Dulles Intl

Tue 3/17

12:14 pm-8:19 pm

2 stops10h 05m

$319

BillingsWashington, D.C.

BIL - DCA

BILDCA

Billings Logan Intl

Tue 3/10

5:15 am-6:18 pm

2 stops11h 03m

Washington, D.C. Reagan-National

Tue 3/17

12:29 pm-8:19 pm

2 stops9h 50m

$319

BillingsBaltimore

BIL - BWI

BILBWI

Billings Logan Intl

Thu 4/9

6:21 pm-5:51 am

1 stop9h 30m

Baltimore/Washington

Tue 4/14

10:41 am-8:06 pm

2 stops11h 25m

$324

BillingsBaltimore

BIL - BWI

BILBWI

Billings Logan Intl

Wed 4/22

2:35 pm-11:24 pm

1 stop6h 49m

Baltimore/Washington

Tue 4/28

4:18 pm-10:43 pm

1 stop8h 25m

$334

BillingsBaltimore

BIL - BWI

BILBWI

Billings Logan Intl

Tue 6/2

7:21 pm-6:28 am

1 stop9h 07m

Baltimore/Washington

Sun 6/7

5:30 pm-2:54 pm

1 stop23h 24m

$354

BillingsWashington, D.C.

BIL - DCA

BILDCA

Billings Logan Intl

Tue 3/10

7:00 am-9:59 pm

1 stop12h 59m

Washington, D.C. Reagan-National

Tue 3/17

8:00 am-11:38 pm

1 stop17h 38m

$363

BillingsWashington, D.C.

BIL - IAD

BILIAD

Billings Logan Intl

Tue 4/7

2:35 pm-11:34 pm

1 stop6h 59m

Washington, D.C. Dulles Intl

Tue 4/28

5:15 pm-10:43 pm

1 stop7h 28m

$365

BillingsWashington, D.C.

BIL - IAD

BILIAD

Billings Logan Intl

Thu 2/26

6:20 am-1:34 pm

1 stop5h 14m

Washington, D.C. Dulles Intl

Tue 3/3

2:17 pm-7:39 pm

1 stop7h 22m

$384

BillingsWashington, D.C.

BIL - IAD

BILIAD

Billings Logan Intl

Wed 7/1

2:30 pm-12:37 am

1 stop8h 07m

Washington, D.C. Dulles Intl

Mon 7/6

5:38 pm-10:13 pm

1 stop6h 35m

$389

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/9

Showing 1-10 of 54 results
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Compare providers for flights from Billings to Washington, D.C.

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 Billings to Washington, D.C. in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust 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 Billings-Washington, D.C. flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Billings-Washington, D.C. flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Billings-Washington, D.C. flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Billings-Washington, D.C. 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 Billings-Washington, D.C. 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 Billings to Washington, D.C.

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

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

Currently, June is the cheapest month in which you can book a flight from Billings to Washington, D.C. (average of $218). Flying from Billings to Washington, D.C. in September is currently the most expensive (average of $475). 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.

Reviews of airlines servicing Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington, D.C.. Reviews last updated February 10, 2026.
Read through reviews of airlines operating flights from Billings to Washington, D.C., such as Delta and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,178 reviews

Comfort

7.9

Entertainment

7.8

Overall

7.9

Boarding

8.1

Food

7.2

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,178 reviews
Delta
7.9
Good
8,178 reviews

Comfort

7.9

Entertainment

7.8

Overall

7.9

Boarding

8.1

Food

7.2

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,267 reviews
Delta
7.9
Good
8,178 reviews

Comfort

7.9

Entertainment

7.8

Overall

7.9

Boarding

8.1

Food

7.2

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

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

    Most people fly from Billings Logan Intl (BIL) if they book a flight from Billings to Washington, D.C.. On average, Billings Logan Intl has 0 outbound flights to Washington, D.C. per day from 3 airlines. Billings Logan Intl is conveniently located just 2.7 mi from Billings’s city center.

  • How long is the flight from Billings to Washington, D.C.?

    A quick flight from Billings to Washington, D.C. can take about 6h 49m. Delta provides one of the quickest options available for as low as $334. There are 1674 mi between Billings and Washington, D.C.. This flight may include one or multiple stops.

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

    According to our current data, United Airlines ($239), Delta ($398), and American Airlines ($408) offers the cheapest pricing from Billings to Washington, D.C..

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

    Most travelers choose Billings Logan Intl - Washington, D.C. Reagan-National, Billings Logan Intl - Washington, D.C. Dulles Intl or Billings Logan Intl - Baltimore/Washington when deciding on the best route from Billings to Washington, D.C..

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Billings to Washington, D.C. 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 Billings to Washington, D.C.?

    Currently, June is the cheapest month in which you can book a flight from Billings to Washington, D.C. (average of $218). Flying from Billings to Washington, D.C. in September is currently the most expensive (average of $475). 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

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Silver Spring
Herndon
Fredericksburg
Hanover
Laurel
Linthicum Heights
Rockville
Upper Marlboro
Manassas
Bowie
Largo
McLean
Clinton
Towson

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Billings to Washington, D.C.

Discover the top 3 airlines that operate flights from Billings to Washington, D.C.. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$229Average$519FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$239Average$530FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$408Average$595FlexibilityNo cancel feeOn-time71%

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