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$169+ Cheap flights from Washington, D.C. (WAS) to Billings (BIL)

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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — BIL
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Washington, D.C. to Billings

Cheapest flights from Washington, D.C. to Billings
Explore the most affordable flight options available from Washington, D.C. to Billings. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This American Airlines deal was found by Cheapflights users on 12/16. 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.
Tue 12/236:30 amDCA - BIL
1 stop8h 54mAmerican Airlines
Fri 12/261:54 pmBIL - DCA
1 stop7h 05mAmerican Airlines
Deal found 12/16$581
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Tue 12/236:20 amIAD - BIL
1 stop9h 04mUnited Airlines
Fri 12/266:35 amBIL - IAD
1 stop8h 04mUnited Airlines
Deal found 12/16$635
This United Airlines deal was found by Cheapflights users on 12/17. 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 12/188:15 amBWI - BIL
1 stop7h 09mUnited Airlines
Wed 12/242:40 pmBIL - BWI
1 stop6h 36mUnited Airlines
Deal found 12/17$656
This United Airlines deal was found by Cheapflights users on 12/17. 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 12/184:17 pmDCA - BIL
1 stop7h 07mUnited Airlines
Thu 12/256:35 amBIL - DCA
1 stop6h 24mUnited Airlines
Deal found 12/17$656
This United Airlines deal was found by Cheapflights users on 12/17. 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 12/182:33 pmIAD - BIL
1 stop8h 51mUnited Airlines
Thu 12/256:35 amBIL - IAD
1 stop6h 59mUnited Airlines
Deal found 12/17$656
This United Airlines deal was found by Cheapflights users on 12/17. 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 12/1810:44 amBWI - BIL
2 stops12h 40mUnited Airlines
Thu 12/2510:55 amBIL - BWI
1 stop6h 35mUnited Airlines
Deal found 12/17$661
This Delta deal was found by Cheapflights users on 12/17. 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.
Thu 12/183:38 pmIAD - BIL
2 stops10h 45mDelta
Thu 12/2511:52 amBIL - IAD
1 stop9h 26mDelta
Deal found 12/17$661
This Delta deal was found by Cheapflights users on 12/17. 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.
Thu 12/183:06 pmDCA - BIL
2 stops10h 42mDelta
Thu 12/256:25 amBIL - DCA
2 stops12h 07mDelta
Deal found 12/17$666
This Delta deal was found by Cheapflights users on 12/17. 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.
Fri 12/195:11 pmDCA - BIL
1 stop9h 12mDelta
Fri 12/265:14 amBIL - DCA
1 stop8h 47mDelta
Deal found 12/17$706
This Delta deal was found by Cheapflights users on 12/17. 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.
Fri 12/191:52 pmBWI - BIL
2 stops12h 31mDelta
Fri 12/266:25 amBIL - BWI
1 stop5h 26mDelta
Deal found 12/17$711
This American Airlines deal was found by Cheapflights users on 12/17. 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.
Wed 12/311:57 pmIAD - BIL
2 stops10h 57mAmerican Airlines
Mon 1/56:50 amBIL - IAD
2 stops15h 14mAmerican Airlines
Deal found 12/17$721
This American Airlines deal was found by Cheapflights users on 12/16. 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.
Tue 12/236:00 amBWI - BIL
1 stop9h 24mAmerican Airlines
Fri 12/261:54 pmBIL - BWI
1 stop7h 02mAmerican Airlines
Deal found 12/16$746

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

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Billings (BIL). 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 December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$344
(Alaska Airlines)

One-way from

$169
(American Airlines)

Popular in

December

Cheapest in

April

Average price

$745
Provider with most accurate pricing for Washington, D.C. (WAS)-Billings Logan Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Billings Logan Intl flights.
Search Deals
From Washington, D.C. (WAS) to Billings Logan Intl
Search Deals
One-way flight from Washington, D.C. (WAS) to Billings Logan Intl
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($40 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Billings 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 December 18, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Billings that are best for you.

Fly from

Washington, D.C.

Fly to

Billings

Route

Depart

Return

Price

Washington, D.C.Billings

DCA - BIL

DCABIL

Washington, D.C. Reagan-National

Sat 2/7

8:00 am-2:55 pm

1 stop8h 55m

Billings Logan Intl

Wed 2/11

7:00 am-9:59 pm

1 stop12h 59m

$344

Washington, D.C.Billings

DCA - BIL

DCABIL

Washington, D.C. Reagan-National

Sat 1/31

8:00 am-2:55 pm

1 stop8h 55m

Billings Logan Intl

Wed 2/4

7:00 am-9:59 pm

1 stop12h 59m

$344

Washington, D.C.Billings

IAD - BIL

IADBIL

Washington, D.C. Dulles Intl

Thu 3/12

4:00 pm-9:07 pm

1 stop7h 07m

Billings Logan Intl

Tue 3/17

2:36 pm-11:20 pm

1 stop6h 44m

$355

BaltimoreBillings

BWI - BIL

BWIBIL

Baltimore/Washington

Sat 1/31

7:14 pm-1:22 pm

2 stops20h 08m

Billings Logan Intl

Wed 2/4

7:00 am-6:14 pm

1 stop9h 14m

$373

Washington, D.C.Billings

IAD - BIL

IADBIL

Washington, D.C. Dulles Intl

Sat 1/31

6:04 pm-11:36 pm

1 stop31h 32m

Billings Logan Intl

Wed 2/4

3:35 pm-4:26 pm

1 stop22h 51m

$393

Washington, D.C.Billings

IAD - BIL

IADBIL

Washington, D.C. Dulles Intl

Sat 2/7

6:04 pm-2:55 pm

1 stop22h 51m

Billings Logan Intl

Wed 2/11

3:35 pm-5:20 pm

1 stop23h 45m

$393

Washington, D.C.Billings

IAD - BIL

IADBIL

Washington, D.C. Dulles Intl

Sat 1/24

8:15 am-1:24 pm

1 stop7h 09m

Billings Logan Intl

Fri 1/30

6:30 am-4:35 pm

1 stop8h 05m

$399

Washington, D.C.Billings

DCA - BIL

DCABIL

Washington, D.C. Reagan-National

Fri 3/13

3:10 pm-8:20 pm

1 stop7h 10m

Billings Logan Intl

Wed 3/18

6:25 am-6:51 pm

2 stops10h 26m

$404

Washington, D.C.Billings

IAD - BIL

IADBIL

Washington, D.C. Dulles Intl

Sat 1/24

12:29 pm-7:24 pm

2 stops8h 55m

Billings Logan Intl

Fri 1/30

6:10 am-1:35 pm

1 stop5h 25m

$404

Washington, D.C.Billings

IAD - BIL

IADBIL

Washington, D.C. Dulles Intl

Sat 1/24

11:34 am-10:33 pm

2 stops12h 59m

Billings Logan Intl

Fri 1/30

6:54 am-11:12 pm

2 stops14h 18m

$409

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 41 results
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Compare providers for flights from Washington, D.C. to Billings

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

Have a flexible travel schedule? Discover the best time to fly to Billings 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 Billings

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

Currently, September is the cheapest month in which you can book a flight from Washington, D.C. to Billings (average of $336). Flying from Washington, D.C. to Billings in October is currently the most expensive (average of $499). 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 time of day to fly from WAS to BIL?

Find hourly flight availability from Washington, D.C. to Billings. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

One of the essential ways to save on airfare from Washington, D.C. to Billings is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 13% on airfare.

Reviews of airlines servicing Billings

Get insights into the airlines that provide service to Billings. 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 Billings. Reviews last updated December 18, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from Washington, D.C. to Billings to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,005 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Crew

8.5

Overall

7.9

Food

7.3

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
8,005 reviews
Delta
7.9
Good
8,005 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Crew

8.5

Overall

7.9

Food

7.3

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
9,091 reviews
Delta
7.9
Good
8,005 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Crew

8.5

Overall

7.9

Food

7.3

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.
American Airlines
7.2
Good
11,054 reviews
Delta
7.9
Good
8,005 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Crew

8.5

Overall

7.9

Food

7.3

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 Washington, D.C. to Billings. 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 Billings from Washington, D.C.?

    Located just 2.7 mi from the city center, Billings Logan Intl is the airport most travelers will use when flying to Billings from Washington, D.C.. Booking flights from Washington, D.C. to Billings Logan Intl (BIL) should be relatively easy as there are 0 daily inbound flights from Washington, D.C. from 3 different airlines.

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

    Airlines like Alaska Airlines, United Airlines, and Delta fly from Washington, D.C. to Billings in about 7h 07m. The time it takes to get you to your destination can typically vary by up to 1h 48m. Airlines will cover a distance of 1643 mi. This flight may include one or multiple stops.

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

    American Airlines, at $388, was found to be the cheapest airline from Washington, D.C. to Billings. An alternate airline flying to your destination would be United Airlines. These flights start at 29% lower than the current average price 3 months from now.

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

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

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

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

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

    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 Billings.

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

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

    Currently, September is the cheapest month in which you can book a flight from Washington, D.C. to Billings (average of $336). Flying from Washington, D.C. to Billings in October is currently the most expensive (average of $499). 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 3 airlines flying from Washington, D.C. to Billings

Discover the top 3 airlines that operate flights from Washington, D.C. to Billings. 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$298Average$484FlexibilityNo cancel feeOn-time71%
DeltaCheapest$400Average$470FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$426Average$565FlexibilityNo cancel feeOn-time69%

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