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

A quick flight from Billings to Washington, D.C. can take about 8h 24m. American Airlines provides one of the quickest options available for as low as $408. 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 ($388), and Delta ($388) offers the cheapest pricing from Billings to Washington, D.C.. You may be able to fly from Billings to Washington, D.C. for 30% 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 Hawaiian Airlines, with whom users have recently found tickets for as low as $204. However, be on the lookout for offers from United Airlines and Delta, 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.

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.

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).

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 - Baltimore/Washington or Billings Logan Intl - Washington, D.C. Reagan-National 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 $537. 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 March.

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.

$204+ Cheap Flights from Billings to Washington, D.C.

Q: How much does it cost to fly round-trip from Billings to Washington, D.C.?

Airfare is below average for this route at the moment. Billings to Washington, D.C. flights typically cost between $518 and $693 in October. The cheapest round-trip price found within the last 3 days was $341 on Multiple Airlines (Oct 6-Oct 9).

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

Round-trip from	$341 (Kiwi.com)
One-way from	$204 (Hawaiian Airlines)
Popular in	March
Cheapest in	February
Average price	$533

From Billings Logan Intl to Washington, D.C. (WAS)

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One-way flight from Billings Logan Intl to Washington, D.C. (WAS)

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Highest demand for flights based on searches. 0% potential increase in price ($3 potential increase over avg. RT price).

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Cheapest flight prices on average. 4% potential price decrease ($24 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 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 September 11, 2025.

Mon 10/610:02 amBIL - BWI

1 stop16h 28mMultiple Airlines

Thu 10/912:12 pmBWI - BIL

2 stops23h 12mMultiple Airlines

Deal found 9/9

$341

Wed 10/112:19 pmBIL - DCA

1 stop9h 40mAmerican Airlines

Mon 10/66:59 amDCA - BIL

1 stop6h 51mAmerican Airlines

Deal found 9/9

$372

Wed 10/81:59 pmBIL - IAD

1 stop8h 24mAlaska Airlines

Wed 10/158:53 amIAD - BIL

1 stop11h 42mAlaska Airlines

Deal found 9/11

$408

Thu 11/2010:45 amBIL - IAD

1 stop8h 36mUnited Airlines

Mon 11/243:59 pmIAD - BIL

1 stop8h 50mUnited Airlines

Deal found 9/8

$409

Wed 10/812:20 pmBIL - DCA

1 stop7h 55mAmerican Airlines

Wed 10/156:59 amDCA - BIL

1 stop6h 51mAmerican Airlines

Deal found 9/11

$409

Fri 10/316:25 amBIL - BWI

1 stop5h 25mDelta

Tue 11/45:39 pmBWI - BIL

2 stops7h 39mDelta

Deal found 9/10

$412

Wed 10/15:25 amBIL - DCA

2 stops13h 17mDelta

Mon 10/63:05 pmDCA - BIL

2 stops10h 13mDelta

Deal found 9/9

$419

Mon 10/62:30 pmBIL - IAD

1 stop6h 52mUnited Airlines

Thu 10/96:30 amIAD - BIL

1 stop6h 46mUnited Airlines

Deal found 9/9

$420

Fri 9/269:58 amBIL - BWI

1 stop16h 32mMultiple Airlines

Tue 9/307:49 pmBWI - BIL

2 stops50h 56mMultiple Airlines

Deal found 9/11

$427

Fri 10/312:00 pmBIL - BWI

1 stop26h 16mAlaska Airlines

Tue 11/47:38 amBWI - BIL

1 stop9h 22mAlaska Airlines

Deal found 9/8

$456

Wed 10/16:00 amBIL - IAD

1 stop23h 33mAlaska Airlines

Mon 10/66:25 amIAD - BIL

1 stop19h 43mAlaska Airlines

Deal found 9/9

$462

Thu 11/206:00 amBIL - DCA

1 stop13h 59mAlaska Airlines

Mon 11/245:00 pmDCA - BIL

1 stop9h 28mAlaska Airlines

Deal found 9/8

$462

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 September 11, 2025.

Mon 10/610:02 amBIL - BWI

1 stop16h 28mMultiple Airlines

Thu 10/912:12 pmBWI - BIL

2 stops23h 12mMultiple Airlines

Deal found 9/9

$341

Wed 10/112:19 pmBIL - DCA

1 stop9h 40mAmerican Airlines

Mon 10/66:59 amDCA - BIL

1 stop6h 51mAmerican Airlines

Deal found 9/9

$372

Wed 10/81:59 pmBIL - IAD

1 stop8h 24mHawaiian Airlines

Wed 10/156:25 amIAD - BIL

1 stop10h 39mHawaiian Airlines

Deal found 9/9

$408

Wed 10/81:59 pmBIL - IAD

1 stop8h 24mAlaska Airlines

Wed 10/156:25 amIAD - BIL

1 stop10h 39mAlaska Airlines

Deal found 9/9

$408

Fri 10/316:25 amBIL - BWI

1 stop5h 25mDelta

Tue 11/47:05 amBWI - BIL

2 stops12h 11mDelta

Deal found 9/8

$412

Mon 10/62:30 pmBIL - IAD

1 stop6h 52mUnited Airlines

Thu 10/96:30 amIAD - BIL

1 stop6h 46mUnited Airlines

Deal found 9/9

$420

Wed 10/812:20 pmBIL - DCA

1 stop7h 55mAmerican Airlines

Wed 10/156:59 amDCA - BIL

1 stop6h 51mAmerican Airlines

Deal found 9/10

$409

Wed 10/15:25 amBIL - DCA

2 stops13h 17mDelta

Mon 10/63:05 pmDCA - BIL

2 stops10h 13mDelta

Deal found 9/9

$419

Fri 10/312:00 pmBIL - BWI

1 stop26h 16mAlaska Airlines

Tue 11/47:38 amBWI - BIL

1 stop9h 22mAlaska Airlines

Deal found 9/8

$456

Fri 10/315:57 pmBIL - BWI

1 stop27h 00mUnited Airlines

Tue 11/48:15 amBWI - BIL

1 stop27h 31mUnited Airlines

Deal found 9/10

$472

Thu 2/197:43 amBIL - BWI

1 stop8h 28mAmerican Airlines

Fri 2/273:21 pmBWI - BIL

1 stop7h 36mAmerican Airlines

Deal found 9/9

$450

Mon 3/26:15 amBIL - BWI

1 stop5h 12mDelta

Tue 3/1010:00 amBWI - BIL

2 stops14h 37mDelta

Deal found 9/9

$455

Last-minute flights from Billings to Washington, D.C.
Discover last-minute flight deals from Billings to Washington, D.C.. Data last updated September 11, 2025 and is based on user searches.

Fri 9/269:58 amBIL - BWI

1 stop16h 32mMultiple Airlines

Tue 9/307:49 pmBWI - BIL

2 stops50h 56mMultiple Airlines

Deal found 9/11

$427

Wed 10/112:19 pmBIL - DCA

1 stop9h 40mAmerican Airlines

Mon 10/66:59 amDCA - BIL

1 stop6h 51mAmerican Airlines

Deal found 9/9

$372

Wed 10/15:25 amBIL - DCA

2 stops13h 17mDelta

Mon 10/63:05 pmDCA - BIL

2 stops10h 13mDelta

Deal found 9/9

$419

Wed 10/16:00 amBIL - IAD

1 stop23h 33mAlaska Airlines

Mon 10/66:25 amIAD - BIL

1 stop19h 43mAlaska Airlines

Deal found 9/9

$462

Mon 10/610:02 amBIL - BWI

1 stop16h 28mMultiple Airlines

Thu 10/912:12 pmBWI - BIL

2 stops23h 12mMultiple Airlines

Deal found 9/9

$341

Mon 10/62:30 pmBIL - IAD

1 stop6h 52mUnited Airlines

Thu 10/96:30 amIAD - BIL

1 stop6h 46mUnited Airlines

Deal found 9/9

$420

Mon 10/611:58 amBIL - DCA

1 stop8h 45mUnited Airlines

Thu 10/96:25 amDCA - BIL

1 stop6h 51mUnited Airlines

Deal found 9/9

$472

Wed 10/81:59 pmBIL - IAD

1 stop8h 24mAlaska Airlines

Wed 10/158:53 amIAD - BIL

1 stop11h 42mAlaska Airlines

Deal found 9/11

$408

Wed 10/812:20 pmBIL - DCA

1 stop7h 55mAmerican Airlines

Wed 10/156:59 amDCA - BIL

1 stop6h 51mAmerican Airlines

Deal found 9/11

$409

Fri 10/316:25 amBIL - BWI

1 stop5h 25mDelta

Tue 11/45:39 pmBWI - BIL

2 stops7h 39mDelta

Deal found 9/10

$412

Fri 10/312:00 pmBIL - BWI

1 stop26h 16mAlaska Airlines

Tue 11/47:38 amBWI - BIL

1 stop9h 22mAlaska Airlines

Deal found 9/8

$456

Fri 10/315:57 pmBIL - BWI

1 stop27h 00mUnited Airlines

Tue 11/48:15 amBWI - BIL

1 stop27h 31mUnited Airlines

Deal found 9/10

$472

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 September 11, 2025.

Mon 10/67:15 pmBIL - IAD

1 stop10h 18mHawaiian Airlines

Deal found 9/11

$204

Sun 11/235:00 amBIL - DCA

1 stop7h 55mUnited Airlines

Deal found 9/10

$205

Sun 12/216:20 pmBIL - BWI

1 stop9h 25mDelta

Deal found 9/9

$240

Mon 10/62:30 pmBIL - IAD

1 stop6h 52mUnited Airlines

Deal found 9/9

$250

Mon 10/63:44 pmBIL - IAD

2 stops22h 58mAlaska Airlines

Deal found 9/11

$254

Mon 10/66:00 amBIL - IAD

2 stops11h 45mAmerican Airlines

Deal found 9/10

$266

Sun 11/236:00 amBIL - IAD

1 stop9h 34mHawaiian Airlines

Deal found 9/10

$268

Sun 12/219:25 amBIL - BWI

3 stops36h 13mMultiple Airlines

Deal found 9/9

$357

Tue 9/166:00 amBIL - BWI

1 stop10h 25mAlaska Airlines

Deal found 9/10

$365

Tue 9/166:00 amBIL - IAD

1 stop9h 09mHawaiian Airlines

Deal found 9/10

$365

Tue 9/1612:00 pmBIL - BWI

1 stop7h 42mUnited Airlines

Deal found 9/10

$366

Tue 9/167:00 amBIL - IAD

1 stop6h 34mUnited Airlines

Deal found 9/10

$366

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

Mon 10/6

10:02 am-4:30 am

1 stop16h 28m

Baltimore/Washington

Thu 10/9

12:12 pm-9:24 am

2 stops23h 12m

$341

BillingsWashington, D.C.

BIL - DCA

BILDCA

Billings Logan Intl

Wed 10/1

12:19 pm-11:59 pm

1 stop9h 40m

Washington, D.C. Reagan-National

Mon 10/6

6:59 am-11:50 am

1 stop6h 51m

$372

BillingsWashington, D.C.

BIL - IAD

BILIAD

Billings Logan Intl

Wed 10/8

1:59 pm-12:23 am

1 stop8h 24m

Washington, D.C. Dulles Intl

Wed 10/15

6:25 am-3:04 pm

1 stop10h 39m

$408

BillingsWashington, D.C.

BIL - IAD

BILIAD

Billings Logan Intl

Wed 10/8

1:59 pm-12:23 am

1 stop8h 24m

Washington, D.C. Dulles Intl

Wed 10/15

6:25 am-3:04 pm

1 stop10h 39m

$408

BillingsWashington, D.C.

BIL - DCA

BILDCA

Billings Logan Intl

Wed 10/8

12:20 pm-10:15 pm

1 stop7h 55m

Washington, D.C. Reagan-National

Wed 10/15

6:59 am-11:50 am

1 stop6h 51m

$409

BillingsBaltimore

BIL - BWI

BILBWI

Billings Logan Intl

Fri 10/31

6:25 am-1:50 pm

1 stop5h 25m

Baltimore/Washington

Tue 11/4

7:05 am-5:16 pm

2 stops12h 11m

$412

BillingsWashington, D.C.

BIL - DCA

BILDCA

Billings Logan Intl

Wed 10/1

5:25 am-8:42 pm

2 stops13h 17m

Washington, D.C. Reagan-National

Mon 10/6

3:05 pm-11:18 pm

2 stops10h 13m

$419

BillingsWashington, D.C.

BIL - IAD

BILIAD

Billings Logan Intl

Mon 10/6

2:30 pm-11:22 pm

1 stop6h 52m

Washington, D.C. Dulles Intl

Thu 10/9

6:30 am-11:16 am

1 stop6h 46m

$420

BillingsBaltimore

BIL - BWI

BILBWI

Billings Logan Intl

Thu 2/19

7:43 am-6:11 pm

1 stop8h 28m

Baltimore/Washington

Fri 2/27

3:21 pm-8:57 pm

1 stop7h 36m

$450

BillingsBaltimore

BIL - BWI

BILBWI

Billings Logan Intl

Mon 3/2

6:15 am-1:27 pm

1 stop5h 12m

Baltimore/Washington

Tue 3/10

10:00 am-10:37 pm

2 stops14h 37m

$455

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 40 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 $292). Flying from Billings to Washington, D.C. in April is currently the most expensive (average of $337). 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.

How much does it cost to fly round-trip from Billings to Washington, D.C.?

Reviews of airlines servicing Washington, D.C.

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

8.0

Very good

7,960 reviews

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

7,960 reviews

Delta

8.0

Very good

7,960 reviews

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

8,937 reviews

Delta

8.0

Very good

7,960 reviews

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

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 8h 24m. American Airlines provides one of the quickest options available for as low as $408. 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 ($388), and Delta ($388) offers the cheapest pricing from Billings to Washington, D.C.. You may be able to fly from Billings to Washington, D.C. for 30% 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 Hawaiian Airlines, with whom users have recently found tickets for as low as $204. However, be on the lookout for offers from United Airlines and Delta, 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 - Baltimore/Washington 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 $292). Flying from Billings to Washington, D.C. in April is currently the most expensive (average of $337). 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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National Harbor

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

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$373	Average$590	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$388	Average$560	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$388	Average$585	FlexibilityNo cancel fee	On-timeN/A

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$204+ 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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.

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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 September 11, 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 September 11, 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.?

How much does it cost to fly round-trip from Billings to Washington, D.C.?

Reviews of airlines servicing Washington, D.C.

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.

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.?

How long is the flight 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 Washington, D.C.?

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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 September 11, 2025.