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

According to our current data, American Airlines ($337), Delta ($369), 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 42% 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 Alaska Airlines, with whom users have recently found tickets for as low as $149. However, be on the lookout for offers from United Airlines and Hawaiian 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 - Baltimore/Washington, Billings Logan Intl - Washington, D.C. Dulles Intl or Billings Logan Intl - Washington, D.C. Reagan-National when deciding on the best route from Billings to Washington, D.C..

What are the most popular airlines that fly from Billings to Washington, D.C.?

When booking a flight from Billings to Washington, D.C., you may want to consider flying on American Airlines, Delta or United Airlines as they are the most popular for this route.

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 $581. Cheapflights users have found deals in the month of February for as cheap as $389. 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.

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.

$149+ Flights from Billings to Washington, D.C.

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

Round-trip from	$337 (American Airlines)
One-way from	$149 (Alaska Airlines)
Popular in	August
Cheapest in	February
Average price	$562

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. 16% potential increase in price ($111 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($21 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in June 2025

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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 juin 12, 2025.

mer. 8/65:49 amBIL - BWI

1 stop10h 01mAmerican Airlines

mar. 8/1212:22 pmBWI - BIL

1 stop12h 38mAmerican Airlines

Deal found 6/11

$337

mer. 8/65:49 amBIL - DCA

1 stop10h 38mAmerican Airlines

mar. 8/1210:55 amDCA - BIL

1 stop14h 05mAmerican Airlines

Deal found 6/11

$337

mar. 7/16:20 amBIL - BWI

1 stop5h 35mDelta

mar. 7/87:18 pmBWI - BIL

1 stop5h 52mDelta

Deal found 6/10

$369

mer. 8/64:15 pmBIL - IAD

1 stop6h 30mUnited Airlines

mar. 8/122:39 pmIAD - BIL

1 stop8h 24mUnited Airlines

Deal found 6/10

$389

mer. 7/26:20 amBIL - DCA

2 stops10h 35mDelta

jeu. 7/103:40 pmDCA - BIL

2 stops10h 27mDelta

Deal found 6/11

$399

jeu. 8/72:35 pmBIL - BWI

1 stop6h 42mUnited Airlines

dim. 8/106:15 amBWI - BIL

1 stop7h 21mUnited Airlines

Deal found 6/11

$401

mer. 8/67:17 pmBIL - IAD

1 stop10h 10mAlaska Airlines

mar. 8/126:30 amIAD - BIL

1 stop19h 38mAlaska Airlines

Deal found 6/9

$411

mer. 7/166:26 pmBIL - IAD

2 stops12h 33mDelta

lun. 8/43:37 pmIAD - BIL

2 stops9h 33mDelta

Deal found 6/10

$444

mer. 8/65:49 amBIL - IAD

2 stops15h 07mAmerican Airlines

mar. 8/1210:25 amIAD - BIL

2 stops13h 05mAmerican Airlines

Deal found 6/10

$449

mer. 8/65:00 amBIL - DCA

2 stops12h 02mUnited Airlines

mar. 8/121:00 pmDCA - BIL

3 stops26h 17mUnited Airlines

Deal found 6/11

$561

mer. 8/66:00 amBIL - DCA

1 stop8h 43mHawaiian Airlines

mar. 8/128:00 amDCA - BIL

1 stop9h 05mHawaiian Airlines

Deal found 6/10

$624

sam. 6/282:03 pmBIL - IAD

1 stop7h 56mHawaiian Airlines

dim. 7/66:30 amIAD - BIL

1 stop10h 35mHawaiian Airlines

Deal found 6/10

$727

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 juin 12, 2025.

mer. 8/65:49 amBIL - BWI

1 stop10h 01mAmerican Airlines

mar. 8/1212:22 pmBWI - BIL

1 stop12h 38mAmerican Airlines

Deal found 6/11

$337

mar. 7/16:20 amBIL - BWI

1 stop5h 35mDelta

mar. 7/87:18 pmBWI - BIL

1 stop5h 52mDelta

Deal found 6/10

$369

mer. 8/64:15 pmBIL - IAD

1 stop6h 30mUnited Airlines

mar. 8/122:39 pmIAD - BIL

1 stop8h 24mUnited Airlines

Deal found 6/10

$389

mer. 8/67:17 pmBIL - IAD

1 stop10h 10mAlaska Airlines

mar. 8/126:30 amIAD - BIL

1 stop19h 38mAlaska Airlines

Deal found 6/9

$411

mer. 8/66:00 amBIL - DCA

1 stop8h 43mHawaiian Airlines

mar. 8/128:00 amDCA - BIL

1 stop9h 05mHawaiian Airlines

Deal found 6/10

$624

mer. 8/65:49 amBIL - DCA

1 stop10h 38mAmerican Airlines

mar. 8/1210:55 amDCA - BIL

1 stop14h 05mAmerican Airlines

Deal found 6/11

$337

mar. 7/296:20 amBIL - DCA

1 stop5h 38mDelta

mar. 8/56:56 pmDCA - BIL

1 stop6h 14mDelta

Deal found 6/12

$389

jeu. 8/72:35 pmBIL - BWI

1 stop6h 42mUnited Airlines

dim. 8/106:15 amBWI - BIL

1 stop7h 21mUnited Airlines

Deal found 6/11

$401

mer. 8/62:35 pmBIL - BWI

1 stop6h 42mMultiple Airlines

mar. 8/127:51 amBWI - BIL

1 stop9h 14mMultiple Airlines

Deal found 6/10

$855

mer. 7/166:26 pmBIL - IAD

2 stops12h 33mDelta

lun. 8/43:37 pmIAD - BIL

2 stops9h 33mDelta

Deal found 6/10

$444

mer. 8/65:49 amBIL - IAD

2 stops15h 07mAmerican Airlines

mar. 8/1210:25 amIAD - BIL

2 stops13h 05mAmerican Airlines

Deal found 6/10

$449

lun. 8/45:55 pmBIL - DCA

2 stops13h 02mUnited Airlines

sam. 8/97:25 amDCA - BIL

1 stop6h 11mUnited Airlines

Deal found 6/12

$507

Last-minute flights from Billings to Washington, D.C.
Discover last-minute flight deals from Billings to Washington, D.C.. Data last updated juin 12, 2025 and is based on user searches.

ven. 6/202:38 pmBIL - BWI

1 stop6h 16mUnited Airlines

sam. 6/2810:05 amBWI - BIL

1 stop12h 58mUnited Airlines

Deal found 6/12

$763

ven. 6/202:00 pmBIL - IAD

1 stop8h 41mAmerican Airlines

sam. 6/286:27 amIAD - BIL

1 stop18h 10mAmerican Airlines

Deal found 6/11

$820

ven. 6/206:26 pmBIL - BWI

1 stop9h 21mDelta

sam. 6/2812:32 pmBWI - BIL

2 stops12h 39mDelta

Deal found 6/10

$835

ven. 6/206:26 pmBIL - IAD

2 stops13h 48mDelta

sam. 6/2812:13 pmIAD - BIL

2 stops12h 58mDelta

Deal found 6/11

$835

dim. 6/226:00 amBIL - BWI

1 stop8h 48mAmerican Airlines

mer. 7/26:00 amBWI - BIL

1 stop8h 06mAmerican Airlines

Deal found 6/11

$1,370

dim. 6/226:00 amBIL - DCA

1 stop12h 43mAmerican Airlines

mer. 7/22:59 pmDCA - BIL

2 stops8h 01mAmerican Airlines

Deal found 6/11

$1,541

dim. 6/227:00 amBIL - IAD

1 stop15h 34mUnited Airlines

mer. 7/210:34 pmIAD - BIL

1 stop24h 29mUnited Airlines

Deal found 6/11

$1,825

dim. 6/226:20 amBIL - DCA

2 stops10h 35mDelta

mer. 7/21:40 pmDCA - BIL

2 stops11h 31mDelta

Deal found 6/11

$1,959

sam. 6/282:03 pmBIL - IAD

1 stop7h 56mHawaiian Airlines

dim. 7/66:30 amIAD - BIL

1 stop10h 35mHawaiian Airlines

Deal found 6/10

$727

mar. 7/16:20 amBIL - BWI

1 stop5h 35mDelta

mar. 7/87:18 pmBWI - BIL

1 stop5h 52mDelta

Deal found 6/10

$369

mar. 7/17:00 amBIL - BWI

1 stop6h 14mUnited Airlines

jeu. 7/1010:05 amBWI - BIL

1 stop7h 19mUnited Airlines

Deal found 6/10

$460

mar. 7/16:22 amBIL - IAD

1 stop14h 17mAmerican Airlines

mar. 7/86:27 amIAD - BIL

1 stop17h 44mAmerican Airlines

Deal found 6/10

$567

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 juin 12, 2025.

mar. 9/307:18 pmBIL - BWI

1 stop8h 15mAlaska Airlines

Deal found 6/12

$149

mar. 9/305:00 amBIL - BWI

2 stops10h 26mUnited Airlines

Deal found 6/12

$155

lun. 10/67:18 pmBIL - IAD

1 stop10h 15mHawaiian Airlines

Deal found 6/10

$194

ven. 9/191:59 pmBIL - IAD

1 stop6h 50mAmerican Airlines

Deal found 6/12

$195

mar. 9/306:00 amBIL - DCA

1 stop6h 24mAmerican Airlines

Deal found 6/12

$195

ven. 9/199:58 amBIL - BWI

2 stops33h 04mMultiple Airlines

Deal found 6/12

$198

mar. 6/246:20 amBIL - DCA

1 stop5h 38mDelta

Deal found 6/10

$241

mar. 6/244:16 pmBIL - IAD

1 stop6h 18mUnited Airlines

Deal found 6/11

$281

mar. 6/246:26 pmBIL - BWI

2 stops12h 14mDelta

Deal found 6/11

$286

mar. 6/246:26 pmBIL - IAD

2 stops12h 46mDelta

Deal found 6/11

$286

mar. 9/307:00 amBIL - DCA

3 stops13h 10mUnited Airlines

Deal found 6/12

$590

Cheapflights Fare Finder

Use the filters below to find and compare flights from Billings to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BillingsBaltimore

BIL - BWI

BILBWI

Billings Logan Intl

mer. 8/6

5:49 am-5:50 pm

1 stop10h 01m

Baltimore/Washington

mar. 8/12

12:22 pm-11:00 pm

1 stop12h 38m

$337

BillingsWashington, D.C.

BIL - DCA

BILDCA

Billings Logan Intl

mer. 8/6

5:49 am-6:27 pm

1 stop10h 38m

Washington, D.C. Reagan-National

mar. 8/12

10:55 am-11:00 pm

1 stop14h 05m

$337

BillingsBaltimore

BIL - BWI

BILBWI

Billings Logan Intl

mar. 7/1

6:20 am-1:55 pm

1 stop5h 35m

Baltimore/Washington

mar. 7/8

7:18 pm-11:10 pm

1 stop5h 52m

$369

BillingsWashington, D.C.

BIL - IAD

BILIAD

Billings Logan Intl

mer. 8/6

4:15 pm-12:45 am

1 stop6h 30m

Washington, D.C. Dulles Intl

mar. 8/12

2:39 pm-9:03 pm

1 stop8h 24m

$389

BillingsWashington, D.C.

BIL - DCA

BILDCA

Billings Logan Intl

mar. 7/29

6:20 am-1:58 pm

1 stop5h 38m

Washington, D.C. Reagan-National

mar. 8/5

6:56 pm-11:10 pm

1 stop6h 14m

$389

BillingsBaltimore

BIL - BWI

BILBWI

Billings Logan Intl

jeu. 8/7

2:35 pm-11:17 pm

1 stop6h 42m

Baltimore/Washington

dim. 8/10

6:15 am-11:36 am

1 stop7h 21m

$401

BillingsWashington, D.C.

BIL - IAD

BILIAD

Billings Logan Intl

mer. 8/6

7:17 pm-7:27 am

1 stop10h 10m

Washington, D.C. Dulles Intl

mar. 8/12

6:30 am-12:08 am

1 stop19h 38m

$411

BillingsWashington, D.C.

BIL - IAD

BILIAD

Billings Logan Intl

mer. 7/16

6:26 pm-8:59 am

2 stops12h 33m

Washington, D.C. Dulles Intl

lun. 8/4

3:37 pm-11:10 pm

2 stops9h 33m

$444

BillingsWashington, D.C.

BIL - IAD

BILIAD

Billings Logan Intl

mer. 8/6

5:49 am-10:56 pm

2 stops15h 07m

Washington, D.C. Dulles Intl

mar. 8/12

10:25 am-9:30 pm

2 stops13h 05m

$449

BillingsWashington, D.C.

BIL - DCA

BILDCA

Billings Logan Intl

lun. 8/4

5:55 pm-8:57 am

2 stops13h 02m

Washington, D.C. Reagan-National

sam. 8/9

7:25 am-11:36 am

1 stop6h 11m

$507

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 25 results

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, August is the cheapest month in which you can book a flight from Billings to Washington, D.C. (average of $241). Flying from Billings to Washington, D.C. in March is currently the most expensive (average of $290). 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

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Alaska Airlines

8.0

Very good

10,000 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Delta

8.0

Very good

7,950 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Hawaiian Airlines

7.9

Good

2,494 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

United Airlines

7.4

Good

8,790 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

American Airlines

7.2

Good

10,000 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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, American Airlines ($337), Delta ($369), 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 42% 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 Alaska Airlines, with whom users have recently found tickets for as low as $149. However, be on the lookout for offers from United Airlines and Hawaiian 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 - Baltimore/Washington, Billings Logan Intl - Washington, D.C. Dulles Intl or Billings Logan Intl - Washington, D.C. Reagan-National 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 $241). Flying from Billings to Washington, D.C. in March is currently the most expensive (average of $290). 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

Woodbridge

Tysons

Silver Spring

Linthicum Heights

Fredericksburg

Gaithersburg

Fairfax

Falls Church

Easton

Herndon

Towson

Bowie

Rockville

Reston

National Harbor

Springfield

Manassas

Dundalk

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$581	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$365	Average$531	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$400	Average$546	FlexibilityNo cancel fee	On-timeN/A

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$149+ 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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.

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

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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 juin 12, 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 juin 12, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Billings to Washington, D.C. that are best for you.

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.

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.?

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?

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Alternative routes for Billings to Washington, D.C.

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

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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 juin 12, 2025.