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Washington, D.C.

$205+ 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 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — WAS
Dec 4 — Dec 111
Thu 12/4
Thu 12/11
1 adult, Economy
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Find 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 November 4, 2025.

This Alaska Airlines deal was found by Cheapflights users on 11/3. 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.
Wed 12/32:02 pmBIL - IAD
1 stop24h 34mAlaska Airlines
Mon 12/86:30 pmIAD - BIL
1 stop31h 38mAlaska Airlines
Deal found 11/3$390
This Delta deal was found by Cheapflights users on 11/3. 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 12/35:14 amBIL - IAD
2 stops10h 58mDelta
Mon 12/86:56 pmIAD - BIL
1 stop6h 52mDelta
Deal found 11/3$414
This Alaska Airlines deal was found by Cheapflights users on 11/3. 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.
Mon 12/86:00 amBIL - IAD
1 stop8h 36mAlaska Airlines
Mon 12/86:30 pmIAD - BIL
1 stop31h 38mAlaska Airlines
Deal found 11/3$416
This Mytrip deal was found by Cheapflights users on 11/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1712:00 pmBIL - BWI
1 stop15h 24mMultiple Airlines
Fri 11/215:45 amBWI - BIL
1 stop12h 46mMultiple Airlines
Deal found 11/1$433
This Alaska Airlines deal was found by Cheapflights users on 11/3. 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.
Mon 12/86:00 amBIL - BWI
1 stop10h 16mAlaska Airlines
Mon 12/87:16 pmBWI - BIL
1 stop30h 52mAlaska Airlines
Deal found 11/3$441
This United Airlines deal was found by Cheapflights users on 11/3. 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.
Mon 12/810:54 amBIL - IAD
1 stop6h 14mUnited Airlines
Mon 12/810:23 pmIAD - BIL
2 stops24h 58mUnited Airlines
Deal found 11/3$450
This Alaska Airlines deal was found by Cheapflights users on 11/3. 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.
Mon 12/86:00 amBIL - BWI
1 stop10h 16mAlaska Airlines
Fri 12/127:00 amBWI - BIL
1 stop19h 08mAlaska Airlines
Deal found 11/3$451
This Delta deal was found by Cheapflights users on 11/4. 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 11/196:24 pmBIL - BWI
1 stop9h 34mDelta
Sun 11/236:58 pmBWI - BIL
1 stop6h 26mDelta
Deal found 11/4$501
This Delta deal was found by Cheapflights users on 11/3. 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.
Mon 11/175:18 amBIL - DCA
1 stop8h 42mDelta
Thu 11/205:10 pmDCA - BIL
1 stop9h 00mDelta
Deal found 11/3$501
This United Airlines deal was found by Cheapflights users on 11/4. 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 11/197:00 amBIL - BWI
2 stops12h 24mUnited Airlines
Sun 11/2310:10 amBWI - BIL
1 stop9h 06mUnited Airlines
Deal found 11/4$506
This Delta deal was found by Cheapflights users on 11/4. 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 11/196:25 amBIL - IAD
2 stops13h 07mDelta
Sun 11/236:59 pmIAD - BIL
1 stop6h 25mDelta
Deal found 11/4$506
This United Airlines deal was found by Cheapflights users on 11/3. 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.
Thu 12/42:40 pmBIL - BWI
1 stop6h 20mUnited Airlines
Mon 12/84:15 pmBWI - BIL
1 stop7h 06mUnited Airlines
Deal found 11/3$511

Cheap 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 November 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$390
(Alaska Airlines)

One-way from

$205
(United Airlines)

Popular in

March

Cheapest in

February

Average price

$474
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
Highest demand for flights based on searches. 2% potential increase in price ($11 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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 November 4, 2025.
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

BillingsWashington, D.C.

BIL - IAD

BILIAD

Billings Logan Intl

Wed 12/3

2:02 pm-4:36 pm

1 stop24h 34m

Washington, D.C. Dulles Intl

Mon 12/8

6:30 pm-12:08 am

1 stop31h 38m

$390

BillingsWashington, D.C.

BIL - IAD

BILIAD

Billings Logan Intl

Tue 3/31

6:15 am-1:55 pm

1 stop5h 40m

Washington, D.C. Dulles Intl

Wed 4/1

12:30 pm-10:37 pm

2 stops12h 07m

$414

BillingsWashington, D.C.

BIL - IAD

BILIAD

Billings Logan Intl

Mon 12/8

6:00 am-4:36 pm

1 stop8h 36m

Washington, D.C. Dulles Intl

Mon 12/8

6:30 pm-12:08 am

1 stop31h 38m

$416

BillingsWashington, D.C.

BIL - IAD

BILIAD

Billings Logan Intl

Wed 12/3

5:14 am-6:12 pm

2 stops10h 58m

Washington, D.C. Dulles Intl

Mon 12/8

5:03 pm-11:48 pm

2 stops8h 45m

$419

BillingsWashington, D.C.

BIL - DCA

BILDCA

Billings Logan Intl

Tue 3/10

7:40 am-9:55 pm

1 stop12h 15m

Washington, D.C. Reagan-National

Wed 3/11

8:00 am-10:43 pm

1 stop16h 43m

$424

BillingsWashington, D.C.

BIL - IAD

BILIAD

Billings Logan Intl

Tue 3/10

7:40 am-5:55 pm

1 stop8h 15m

Washington, D.C. Dulles Intl

Wed 3/11

7:00 am-10:43 pm

1 stop17h 43m

$435

BillingsWashington, D.C.

BIL - IAD

BILIAD

Billings Logan Intl

Fri 3/27

2:40 pm-11:18 pm

1 stop6h 38m

Washington, D.C. Dulles Intl

Sat 4/4

5:15 pm-10:41 pm

1 stop7h 26m

$441

BillingsBaltimore

BIL - BWI

BILBWI

Billings Logan Intl

Mon 12/8

6:00 am-6:16 pm

1 stop10h 16m

Baltimore/Washington

Mon 12/8

7:16 pm-12:08 am

1 stop30h 52m

$441

BillingsWashington, D.C.

BIL - IAD

BILIAD

Billings Logan Intl

Mon 12/8

10:54 am-7:08 pm

1 stop6h 14m

Washington, D.C. Dulles Intl

Mon 12/8

10:23 pm-9:21 pm

2 stops24h 58m

$450

BillingsWashington, D.C.

BIL - IAD

BILIAD

Billings Logan Intl

Tue 3/10

2:40 pm-11:51 am

2 stops19h 11m

Washington, D.C. Dulles Intl

Wed 3/11

2:12 pm-8:54 pm

1 stop8h 42m

$453

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/2

Showing 1-10 of 49 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 November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Billings-Washington, D.C. flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 March is currently the most expensive (average of $543). 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 November 4, 2025.
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
8,003 reviews

Entertainment

7.9

Overall

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Boarding

8.2

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
8,003 reviews
Delta
7.9
Good
8,003 reviews

Entertainment

7.9

Overall

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Boarding

8.2

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
9,002 reviews
Delta
7.9
Good
8,003 reviews

Entertainment

7.9

Overall

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Boarding

8.2

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 5h 40m. Alaska Airlines provides one of the quickest options available for as low as $414. There are 1643 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 ($373), American Airlines ($394), and Delta ($411) offers the cheapest pricing from Billings to Washington, D.C.. You may be able to fly from Billings to Washington, D.C. for 29% less than the average price by searching for these airlines.

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

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $205. However, be on the lookout for offers from Alaska Airlines and American Airlines, as they are both options that can get you from Billings to Washington, D.C. for a low price.

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

    Most travelers choose Billings Logan Intl - Washington, D.C. Dulles Intl, Billings Logan Intl - Washington, D.C. Reagan-National 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 March is currently the most expensive (average of $543). 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
Tysons
Woodbridge
Arlington
Owings Mills
Springfield
Hanover
Silver Spring
Fairfax
Fredericksburg
Falls Church
Linthicum Heights
Manassas
Laurel
Towson
National Harbor
Waldorf
Bowie
Largo
McLean

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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 November 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$373Average$587FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$394Average$578FlexibilityNo cancel feeOn-time71%
DeltaCheapest$398Average$585FlexibilityNo cancel feeOn-timeN/A

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