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

According to our current data, Delta ($367), Alaska Airlines ($388), and United Airlines ($389) offers the cheapest pricing from Billings to Washington, D.C.. You may be able to fly from Billings to Washington, D.C. for 38% 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 Delta, with whom users have recently found tickets for as low as $230. However, be on the lookout for offers from American Airlines and United Airlines, as they are both options that can get you from Billings to Washington, D.C. for a low price.

What is the cheapest day to fly from Billings to Washington, D.C.?

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

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..

What is the cheapest day to fly round-trip from Billings to Washington, D.C.?

Saturday flights are found to be more expensive to fly from Billings to Washington, D.C.. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Washington, D.C..

What is the cheapest month to fly from Billings to Washington, D.C.?

February can be a great time to fly to Washington, D.C. from Billings with a flight ticket averaging about $592. Cheapflights users have found deals in the month of February for as cheap as $398. The most expensive prices can be found in the month of August.

What is the cheapest time of day to fly from BIL to WAS?

Unlike in the morning, when flights are generally more expensive, you can save up to 21% on flights from Billings to Washington, D.C. by exploring options for tickets at noon.

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.

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.

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.

$230+ Save on Flights from Billings to Washington, D.C.

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

Find cheap flights from Billings to Washington, D.C. 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 Billings to Washington, D.C.

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$367 (Delta)
One-way from	$230 (Delta)
Popular in	August
Cheapest in	February
Average price	$431

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. 8% potential increase in price ($52 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($20 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in February 2025

Search Deals

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 February 20, 2025.

Tue 4/296:21 amBIL - BWI

1 stop5h 38mDelta

Wed 5/76:15 pmBWI - BIL

1 stop6h 21mDelta

Deal found 2/20

$367

Wed 4/27:45 amBIL - IAD

1 stop8h 14mAlaska Airlines

Wed 4/97:00 amIAD - BIL

1 stop18h 19mAlaska Airlines

Deal found 2/20

$388

Wed 4/22:30 pmBIL - IAD

1 stop6h 44mUnited Airlines

Wed 4/95:30 pmIAD - BIL

1 stop7h 14mUnited Airlines

Deal found 2/18

$389

Wed 4/25:00 amBIL - DCA

1 stop8h 59mAmerican Airlines

Wed 4/97:55 amDCA - BIL

1 stop7h 33mAmerican Airlines

Deal found 2/18

$389

Wed 4/22:00 pmBIL - IAD

2 stops7h 58mAmerican Airlines

Wed 4/96:18 amIAD - BIL

1 stop9h 10mAmerican Airlines

Deal found 2/19

$394

Wed 4/27:00 amBIL - BWI

1 stop9h 11mAmerican Airlines

Wed 4/96:15 amBWI - BIL

1 stop9h 13mAmerican Airlines

Deal found 2/20

$403

Thu 5/12:40 pmBIL - BWI

1 stop6h 37mUnited Airlines

Tue 5/64:10 pmBWI - BIL

1 stop8h 30mUnited Airlines

Deal found 2/20

$424

Thu 3/135:20 amBIL - DCA

1 stop8h 40mDelta

Sun 3/165:10 pmDCA - BIL

1 stop9h 06mDelta

Deal found 2/20

$424

Wed 4/22:18 pmBIL - DCA

2 stops28h 41mAlaska Airlines

Mon 4/76:55 pmDCA - BIL

1 stop20h 43mAlaska Airlines

Deal found 2/20

$451

Thu 3/207:45 amBIL - BWI

1 stop8h 18mAlaska Airlines

Thu 3/277:03 pmBWI - BIL

1 stop30h 16mAlaska Airlines

Deal found 2/20

$455

Wed 4/26:26 pmBIL - IAD

2 stops12h 52mDelta

Wed 4/93:05 pmIAD - BIL

2 stops11h 03mDelta

Deal found 2/20

$464

Wed 7/27:00 amBIL - DCA

1 stop6h 05mUnited Airlines

Mon 7/77:25 amDCA - BIL

1 stop6h 06mUnited Airlines

Deal found 2/20

$515

Best flights from Billings to Washington, D.C.
Discover carefully curated flight deals from Billings to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 20, 2025.

Tue 4/296:21 amBIL - BWI

1 stop5h 38mDelta

Wed 5/76:15 pmBWI - BIL

1 stop6h 21mDelta

Deal found 2/20

$367

Wed 4/27:45 amBIL - IAD

1 stop8h 14mAlaska Airlines

Wed 4/97:00 amIAD - BIL

1 stop18h 19mAlaska Airlines

Deal found 2/20

$388

Wed 4/22:30 pmBIL - IAD

1 stop6h 44mUnited Airlines

Wed 4/95:30 pmIAD - BIL

1 stop7h 14mUnited Airlines

Deal found 2/18

$389

Wed 4/25:00 amBIL - DCA

1 stop8h 59mAmerican Airlines

Wed 4/97:55 amDCA - BIL

1 stop7h 33mAmerican Airlines

Deal found 2/18

$389

Mon 5/2610:26 pmBIL - BWI

1 stop29h 32mMultiple Airlines

Sun 6/18:30 pmBWI - BIL

3 stops27h 01mMultiple Airlines

Deal found 2/20

$517

Sun 5/256:05 amBIL - DCA

1 stop8h 39mHawaiian Airlines

Mon 6/25:00 pmDCA - BIL

1 stop8h 59mHawaiian Airlines

Deal found 2/20

$760

Wed 4/22:00 pmBIL - IAD

2 stops7h 58mAmerican Airlines

Wed 4/96:18 amIAD - BIL

1 stop9h 10mAmerican Airlines

Deal found 2/19

$394

Thu 5/12:40 pmBIL - BWI

1 stop6h 37mUnited Airlines

Tue 5/64:10 pmBWI - BIL

1 stop8h 30mUnited Airlines

Deal found 2/20

$424

Thu 3/135:20 amBIL - DCA

1 stop8h 40mDelta

Sun 3/165:10 pmDCA - BIL

1 stop9h 06mDelta

Deal found 2/20

$424

Wed 4/27:00 amBIL - BWI

1 stop9h 11mAmerican Airlines

Wed 4/96:15 amBWI - BIL

1 stop9h 13mAmerican Airlines

Deal found 2/20

$403

Wed 4/22:18 pmBIL - DCA

2 stops28h 41mAlaska Airlines

Mon 4/76:55 pmDCA - BIL

1 stop20h 43mAlaska Airlines

Deal found 2/20

$451

Thu 3/207:45 amBIL - BWI

1 stop8h 18mAlaska Airlines

Thu 3/277:03 pmBWI - BIL

1 stop30h 16mAlaska Airlines

Deal found 2/20

$455

Last-minute flights from Billings to Washington, D.C.
Discover last-minute flight deals from Billings to Washington, D.C.. Data last updated February 20, 2025 and is based on user searches.

Thu 2/277:00 amBIL - IAD

2 stops14h 53mAmerican Airlines

Tue 3/46:30 amIAD - BIL

2 stops16h 46mAmerican Airlines

Deal found 2/19

$658

Thu 2/2710:55 amBIL - IAD

1 stop8h 16mUnited Airlines

Tue 3/45:15 pmIAD - BIL

1 stop22h 08mUnited Airlines

Deal found 2/19

$736

Fri 2/289:56 amBIL - BWI

2 stops28h 40mMultiple Airlines

Sun 3/25:30 amBWI - BIL

2 stops29h 36mMultiple Airlines

Deal found 2/20

$609

Sat 3/12:00 pmBIL - DCA

1 stop6h 39mAmerican Airlines

Thu 3/276:00 amDCA - BIL

2 stops9h 28mAmerican Airlines

Deal found 2/20

$639

Sat 3/12:00 pmBIL - BWI

1 stop6h 59mAmerican Airlines

Thu 3/276:03 amBWI - BIL

1 stop9h 25mAmerican Airlines

Deal found 2/20

$669

Sat 3/16:25 amBIL - BWI

2 stops11h 44mDelta

Thu 3/2712:28 pmBWI - BIL

2 stops13h 48mDelta

Deal found 2/20

$679

Sat 3/16:25 amBIL - DCA

2 stops11h 13mDelta

Thu 3/274:40 pmDCA - BIL

2 stops9h 36mDelta

Deal found 2/20

$679

Sat 3/16:25 amBIL - IAD

1 stop5h 22mDelta

Thu 3/277:35 amIAD - BIL

2 stops12h 10mDelta

Deal found 2/20

$689

Fri 3/77:00 amBIL - BWI

1 stop9h 11mAmerican Airlines

Tue 3/113:13 pmBWI - BIL

1 stop8h 01mAmerican Airlines

Deal found 2/20

$665

Thu 3/136:26 pmBIL - IAD

2 stops12h 54mDelta

Sun 3/163:05 pmIAD - BIL

2 stops11h 11mDelta

Deal found 2/20

$464

Thu 3/132:45 pmBIL - DCA

3 stops22h 51mUnited Airlines

Sun 3/166:25 amDCA - BIL

2 stops29h 20mUnited Airlines

Deal found 2/19

$808

Thu 3/201:22 pmBIL - IAD

1 stop14h 12mAlaska Airlines

Thu 3/277:00 amIAD - BIL

1 stop18h 19mAlaska Airlines

Deal found 2/20

$388

One-way flights from Billings to Washington, D.C.
Search for one-way flight options from Billings to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated February 20, 2025.

Fri 4/186:21 amBIL - DCA

1 stop5h 14mDelta

Deal found 2/20

$230

Fri 4/186:26 pmBIL - BWI

1 stop9h 24mDelta

Deal found 2/20

$260

Mon 3/102:00 pmBIL - IAD

1 stop6h 14mAmerican Airlines

Deal found 2/19

$332

Sun 3/96:26 pmBIL - IAD

2 stops12h 53mDelta

Deal found 2/19

$337

Fri 4/182:50 pmBIL - BWI

3 stops31h 16mMultiple Airlines

Deal found 2/20

$354

Sun 3/910:55 amBIL - IAD

1 stop22h 23mUnited Airlines

Deal found 2/19

$355

Fri 4/182:30 pmBIL - BWI

2 stops21h 48mUnited Airlines

Deal found 2/20

$368

Fri 4/185:49 pmBIL - DCA

3 stops21h 11mUnited Airlines

Deal found 2/19

$530

Find flights from Billings to Washington, D.C. within your budget

Fly from

Fly to

Route

Depart

Return

Price

BillingsBaltimore

BIL - BWI

BILBWI

Billings Logan Intl

Tue 4/29

6:21 am-1:59 pm

1 stop5h 38m

Baltimore/Washington

Wed 5/7

6:15 pm-10:36 pm

1 stop6h 21m

$367

BillingsWashington, D.C.

BIL - IAD

BILIAD

Billings Logan Intl

Wed 4/2

7:45 am-5:59 pm

1 stop8h 14m

Washington, D.C. Dulles Intl

Wed 4/9

7:00 am-11:19 pm

1 stop18h 19m

$388

BillingsWashington, D.C.

BIL - IAD

BILIAD

Billings Logan Intl

Wed 4/2

2:30 pm-11:14 pm

1 stop6h 44m

Washington, D.C. Dulles Intl

Wed 4/9

5:30 pm-10:44 pm

1 stop7h 14m

$389

BillingsWashington, D.C.

BIL - DCA

BILDCA

Billings Logan Intl

Wed 4/2

5:00 am-3:59 pm

1 stop8h 59m

Washington, D.C. Reagan-National

Wed 4/9

7:55 am-1:28 pm

1 stop7h 33m

$389

BillingsWashington, D.C.

BIL - IAD

BILIAD

Billings Logan Intl

Wed 4/2

2:00 pm-11:58 pm

2 stops7h 58m

Washington, D.C. Dulles Intl

Wed 4/9

6:18 am-1:28 pm

1 stop9h 10m

$394

BillingsBaltimore

BIL - BWI

BILBWI

Billings Logan Intl

Wed 4/2

7:00 am-6:11 pm

1 stop9h 11m

Baltimore/Washington

Wed 4/9

6:15 am-1:28 pm

1 stop9h 13m

$403

BillingsBaltimore

BIL - BWI

BILBWI

Billings Logan Intl

Thu 5/1

2:40 pm-11:17 pm

1 stop6h 37m

Baltimore/Washington

Tue 5/6

4:10 pm-10:40 pm

1 stop8h 30m

$424

BillingsWashington, D.C.

BIL - DCA

BILDCA

Billings Logan Intl

Thu 3/13

5:20 am-4:00 pm

1 stop8h 40m

Washington, D.C. Reagan-National

Sun 3/16

5:10 pm-12:16 am

1 stop9h 06m

$424

BillingsWashington, D.C.

BIL - DCA

BILDCA

Billings Logan Intl

Wed 4/2

2:18 pm-8:59 pm

2 stops28h 41m

Washington, D.C. Reagan-National

Mon 4/7

6:55 pm-1:38 pm

1 stop20h 43m

$451

BillingsBaltimore

BIL - BWI

BILBWI

Billings Logan Intl

Thu 3/20

7:45 am-6:03 pm

1 stop8h 18m

Baltimore/Washington

Thu 3/27

7:03 pm-11:19 pm

1 stop30h 16m

$455

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 22 results

Compare providers for flights from Billings to Washington, D.C.

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.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust 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.

Travel insights for flights from Billings to Washington, D.C.

Get recent, data-driven insights about flights from Billings to Washington, D.C. including ideal travel times, pricing trends, and more.

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

Currently, August is the cheapest month in which you can book a flight from Billings to Washington, D.C. (average of $309). Flying from Billings to Washington, D.C. in June is currently the most expensive (average of $389). 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.

Rainfall in Washington, D.C. by month

In terms of precipitation, rainfall in Washington, D.C. 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. when rainfall is around 2.6 in.

Temperature in Washington, D.C. by month

If weather is an important factor for your trip to Washington, D.C., 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 Washington, D.C.

Get a feel of what it's like to fly with Alaska Airlines, Delta and Hawaiian Airlines from Billings to Washington, D.C. by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

9,692 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines

8.0

Very good

9,692 reviews

Alaska Airlines

8.0

Very good

9,692 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Delta

8.0

Very good

8,220 reviews

Alaska Airlines

8.0

Very good

9,692 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Hawaiian Airlines

7.9

Good

2,317 reviews

Alaska Airlines

8.0

Very good

9,692 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

United Airlines

7.4

Good

8,766 reviews

Alaska Airlines

8.0

Very good

9,692 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

American Airlines

7.2

Good

10,000 reviews

Alaska Airlines

8.0

Very good

9,692 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

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.
What are the cheapest airlines flying from Billings to Washington, D.C. round-trip?
According to our current data, Delta ($367), Alaska Airlines ($388), and United Airlines ($389) offers the cheapest pricing from Billings to Washington, D.C.. You may be able to fly from Billings to Washington, D.C. for 38% 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 Delta, with whom users have recently found tickets for as low as $230. However, be on the lookout for offers from American Airlines and United 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. 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, August is the cheapest month in which you can book a flight from Billings to Washington, D.C. (average of $309). Flying from Billings to Washington, D.C. in June is currently the most expensive (average of $389). 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

Springfield

Rockville

Tysons

Gaithersburg

Silver Spring

Fredericksburg

Linthicum Heights

Laurel

Falls Church

Woodbridge

Easton

Herndon

Bowie

Reston

National Harbor

Oxon Hill

Gettysburg

Browse thousands of different options on Cheapflights for your next trip

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

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$274	Average$654	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$365	Average$522	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$400	Average$580	FlexibilityNo cancel fee	On-timeN/A

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.

$230+ 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 4/18. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Billings to Washington, D.C. with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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 February 20, 2025.

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 20, 2025.

Find flights from Billings to Washington, D.C. within your budget

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.

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.

Travel insights for flights from Billings to Washington, D.C.

Get recent, data-driven insights about flights from Billings to Washington, D.C. including ideal travel times, pricing trends, and more.

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

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

Reviews of airlines servicing Washington, D.C.

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.?

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

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

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

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

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

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

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

Traveling to a place near Billings?

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 Billings to Washington, D.C.

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

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

100% Free

Book with Flexibility

Travel Smart

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 20, 2025.