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$205+ 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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — BIL
Oct 19 — Oct 261
Sun 10/19
Sun 10/26
1 adult, Economy
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Cheap 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 September 19, 2025.

Round-trip from

$392
(Alaska Airlines)

One-way from

$205
(Delta)

Popular in

March

Cheapest in

September

Average price

$487
From Washington, D.C. (WAS) to Billings Logan Intl
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One-way flight from Washington, D.C. (WAS) to Billings Logan Intl
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Highest demand for flights based on searches. 13% potential increase in price ($89 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 19, 2025.

This United Airlines deal was found by Cheapflights users on 9/15. 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 10/146:29 amBWI - BIL
1 stop6h 47mUnited Airlines
Tue 10/212:30 pmBIL - BWI
1 stop6h 48mUnited Airlines
Deal found 9/15$393
This Delta deal was found by Cheapflights users on 9/15. 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 10/145:39 pmBWI - BIL
2 stops7h 39mDelta
Tue 10/2111:45 amBIL - BWI
2 stops10h 56mDelta
Deal found 9/15$403
This American Airlines deal was found by Cheapflights users on 9/16. 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.
Thu 10/236:00 amBWI - BIL
1 stop7h 50mAmerican Airlines
Sat 11/11:17 pmBIL - BWI
1 stop8h 31mAmerican Airlines
Deal found 9/16$407
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/57:43 amIAD - BIL
1 stop9h 17mAlaska Airlines
Wed 11/122:00 pmBIL - IAD
1 stop14h 23mAlaska Airlines
Deal found 9/16$408
This American Airlines deal was found by Cheapflights users on 9/18. 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.
Sat 10/186:59 amDCA - BIL
1 stop6h 51mAmerican Airlines
Wed 10/2212:20 pmBIL - DCA
1 stop7h 55mAmerican Airlines
Deal found 9/18$409
This United Airlines deal was found by Cheapflights users on 9/18. 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 10/166:30 amIAD - BIL
1 stop6h 46mUnited Airlines
Thu 10/232:30 pmBIL - IAD
1 stop6h 52mUnited Airlines
Deal found 9/18$409
This Delta deal was found by Cheapflights users on 9/17. 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.
Tue 11/186:58 pmBWI - BIL
1 stop6h 21mDelta
Sat 11/226:24 pmBIL - BWI
1 stop9h 34mDelta
Deal found 9/17$410
This American Airlines deal was found by Cheapflights users on 9/16. 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.
Wed 11/57:55 amIAD - BIL
2 stops15h 23mAmerican Airlines
Wed 11/126:00 amBIL - IAD
1 stop8h 11mAmerican Airlines
Deal found 9/16$414
This United Airlines deal was found by Cheapflights users on 9/18. 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 11/184:12 pmBWI - BIL
1 stop7h 06mUnited Airlines
Sun 11/235:00 amBIL - BWI
2 stops10h 14mUnited Airlines
Deal found 9/18$415
This Alaska Airlines deal was found by Cheapflights users on 9/17. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/47:38 amBWI - BIL
1 stop9h 22mAlaska Airlines
Fri 11/77:19 pmBIL - BWI
1 stop8h 59mAlaska Airlines
Deal found 9/17$423
This American Airlines deal was found by Cheapflights users on 9/16. 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 10/146:00 amBWI - BIL
1 stop7h 50mAmerican Airlines
Tue 10/2112:20 pmBIL - BWI
1 stop9h 28mAmerican Airlines
Deal found 9/16$424
This United Airlines deal was found by Cheapflights users on 9/18. 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 10/78:32 amBWI - BIL
1 stop6h 46mUnited Airlines
Sat 10/112:30 pmBIL - BWI
1 stop6h 48mUnited Airlines
Deal found 9/18$437

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 September 19, 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

BaltimoreBillings

BWI - BIL

BWIBIL

Baltimore/Washington

Tue 1/27

6:55 pm-12:51 pm

1 stop19h 56m

Billings Logan Intl

Sat 1/31

7:40 am-5:55 pm

1 stop8h 15m

$392

BaltimoreBillings

BWI - BIL

BWIBIL

Baltimore/Washington

Wed 11/5

10:10 am-5:16 pm

1 stop9h 06m

Billings Logan Intl

Wed 11/12

2:31 pm-10:57 pm

1 stop6h 26m

$393

BaltimoreBillings

BWI - BIL

BWIBIL

Baltimore/Washington

Tue 10/14

6:29 am-11:16 am

1 stop6h 47m

Billings Logan Intl

Tue 10/21

2:30 pm-11:18 pm

1 stop6h 48m

$393

BaltimoreBillings

BWI - BIL

BWIBIL

Baltimore/Washington

Tue 1/27

5:00 am-12:05 pm

2 stops9h 05m

Billings Logan Intl

Sat 1/31

2:03 pm-10:23 pm

1 stop6h 20m

$398

BaltimoreBillings

BWI - BIL

BWIBIL

Baltimore/Washington

Sat 10/18

10:51 am-8:49 pm

2 stops11h 58m

Billings Logan Intl

Wed 10/22

5:00 am-3:13 pm

1 stop8h 13m

$398

BaltimoreBillings

BWI - BIL

BWIBIL

Baltimore/Washington

Tue 10/14

5:39 pm-11:18 pm

2 stops7h 39m

Billings Logan Intl

Tue 10/21

11:45 am-12:41 am

2 stops10h 56m

$403

BaltimoreBillings

BWI - BIL

BWIBIL

Baltimore/Washington

Tue 1/27

10:05 am-9:23 pm

2 stops13h 18m

Billings Logan Intl

Sat 1/31

10:52 am-9:41 pm

2 stops8h 49m

$403

Washington, D.C.Billings

DCA - BIL

DCABIL

Washington, D.C. Reagan-National

Sat 10/18

6:59 am-11:50 am

1 stop6h 51m

Billings Logan Intl

Wed 10/22

12:20 pm-10:15 pm

1 stop7h 55m

$409

Washington, D.C.Billings

IAD - BIL

IADBIL

Washington, D.C. Dulles Intl

Wed 11/19

6:59 pm-11:19 pm

1 stop6h 20m

Billings Logan Intl

Fri 11/28

6:25 am-1:28 pm

1 stop5h 03m

$409

BaltimoreBillings

BWI - BIL

BWIBIL

Baltimore/Washington

Tue 11/18

6:58 pm-11:19 pm

1 stop6h 21m

Billings Logan Intl

Sun 11/23

6:24 pm-5:58 am

1 stop9h 34m

$410

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 38 results
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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, January is the cheapest month in which you can book a flight from Washington, D.C. to Billings (average of $395). Flying from Washington, D.C. to Billings in June is currently the most expensive (average of $509). 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 September 19, 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 evening tend to be the most expensive. A flight at noon could potentially save you up to 6% 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 September 19, 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
8.0
Very good
7,964 reviews

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,964 reviews
Delta
8.0
Very good
7,964 reviews

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,926 reviews
Delta
8.0
Very good
7,964 reviews

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,964 reviews

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 American Airlines fly from Washington, D.C. to Billings in about 6h 51m. The time it takes to get you to your destination can typically vary by up to 13h 05m. Airlines will cover a distance of 1666 mi. This flight may include one or multiple stops.

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

    Delta, at $349, was found to be the cheapest airline from Washington, D.C. to Billings.Alternate airlines to your destination round-trip include American Airlines and United Airlines. These flights start at 40% lower than the current average price 3 months from now.

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

    To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $205. American Airlines flights start at $205 while deals on United Airlines start at $205 one-way.

  • 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, January is the cheapest month in which you can book a flight from Washington, D.C. to Billings (average of $395). Flying from Washington, D.C. to Billings in June is currently the most expensive (average of $509). 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

Browse thousands of different options on Cheapflights for your next trip

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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 September 19, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$298Average$514FlexibilityNo cancel feeOn-time71%
DeltaCheapest$349Average$435FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$434Average$574FlexibilityNo cancel feeOn-time69%

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