$150 Cheap Flights from Washington (DCA) to Billings (BIL)

View $150 flight on Tue, Mar 17, 2026Opens in a new window

Popular airlines from Ronald Reagan Washington National Airport (DCA) to Billings Logan Intl. Airport (BIL)

Cheap Flights from Washington to Billings (DCA-BIL)

Prices were available within the past 7 days and start at $150 for one-way flights and $324 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Mon, Jan 12 - Wed, Jan 21
DCA
Washington
BIL
Billings
$324 Roundtrip, found 6 days ago
$324
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Mon, Jan 12 from Washington to Billings, returning Wed, Jan 21, priced at $324 found 6 days ago
Alaska Airlines
Sat, Jan 17 - Sat, Jan 24
DCA
Washington
BIL
Billings
$344 Roundtrip, just found
$344
Roundtrip
just found
Select Alaska Airlines flight, departing Sat, Jan 17 from Washington to Billings, returning Sat, Jan 24, priced at $344 just found
Alaska Airlines
Mon, Jan 12 - Wed, Jan 21
DCA
Washington
BIL
Billings
$359 Roundtrip, found 6 days ago
$359
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Mon, Jan 12 from Washington to Billings, returning Wed, Jan 21, priced at $359 found 6 days ago
Delta
Wed, Apr 1 - Tue, Apr 21
DCA
Washington
BIL
Billings
$365 Roundtrip, found 5 days ago
$365
Roundtrip
found 5 days ago
Select Delta flight, departing Wed, Apr 1 from Washington to Billings, returning Tue, Apr 21, priced at $365 found 5 days ago
Alaska Airlines
Sat, Jan 10 - Sat, Jan 17
DCA
Washington
BIL
Billings
$369 Roundtrip, found 6 days ago
$369
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Sat, Jan 10 from Washington to Billings, returning Sat, Jan 17, priced at $369 found 6 days ago
Alaska Airlines
Sat, Jan 10 - Sat, Jan 17
DCA
Washington
BIL
Billings
$375 Roundtrip, found 6 days ago
$375
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Sat, Jan 10 from Washington to Billings, returning Sat, Jan 17, priced at $375 found 6 days ago
Alaska Airlines
Sat, Jan 10 - Sat, Jan 17
DCA
Washington
BIL
Billings
$379 Roundtrip, found 6 days ago
$379
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Sat, Jan 10 from Washington to Billings, returning Sat, Jan 17, priced at $379 found 6 days ago
Hawaiian Airlines
Tue, Feb 3 - Tue, Feb 17
DCA
Washington
BIL
Billings
$382 Roundtrip, found 2 days ago
$382
Roundtrip
found 2 days ago
Select Hawaiian Airlines flight, departing Tue, Feb 3 from Washington to Billings, returning Tue, Feb 17, priced at $382 found 2 days ago
United
Wed, Dec 31 - Wed, Jan 7
DCA
Washington
BIL
Billings
$400 Roundtrip, found 4 days ago
$400
Roundtrip
found 4 days ago
Select United flight, departing Wed, Dec 31 from Washington to Billings, returning Wed, Jan 7, priced at $400 found 4 days ago
American Airlines
Sat, Sep 12 - Sat, Sep 19
DCA
Washington
BIL
Billings
$409 Roundtrip, found 4 hours ago
$409
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Sat, Sep 12 from Washington to Billings, returning Sat, Sep 19, priced at $409 found 4 hours ago

Alternative airports near Billings

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Logan Intl. BIL. Cheapest and Closest option available. Average driving time to city center is 5 minutes. Flights from $907
BIL
Logan Intl.
CheapestClosest
Average driving time to city center5 min
Flights from $907
Flights from Washington (DCA) to Billings (BIL)
Origin airport
Ronald Reagan Washington National
Destination airport
Logan Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, United
Roundtrip price
$324
Distance
1666 mi

Washington to Billings Flights

The cheapest times to fly from Washington to Billings

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Washington to Billings are during the month of January. You can find some of the cheapest flights from Washington to Billings with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Billings

Sunday is one of the best days to book for cheap flights from Washington to Billings: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Washington to Billings

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Washington to Billings in 2026. You can also book with separate airlines for your outbound and return journeys, from $150 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Washington to Billings flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Washington to Billings airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Ronald Reagan Washington National Airport (DCA) to Logan Intl. Airport (BIL) cost?
Snag a cheap one-way flight from $150 or cheap return flight from $324 from Ronald Reagan Washington National Airport (DCA) to Logan Intl. Airport (BIL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Ronald Reagan Washington National Airport (DCA) to Logan Intl. Airport (BIL)?
Planning your getaway for January is a good way to save, as it's the cheapest month for flights between DCA and BIL. You'll usually find the lowest fares during off-peak months.
What is the cheapest airline that flies from Ronald Reagan Washington National Airport (DCA) to Logan Intl. Airport (BIL)?
To find the cheapest airline flying from DCA to BIL, use Expedia's filter tool. Customize your search based on your travel style, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Ronald Reagan Washington National Airport (DCA) to Logan Intl. Airport (BIL)?
Nonstop flights from Ronald Reagan Washington National Airport (DCA) to Logan Intl. Airport (BIL) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from DCA to BIL?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can vary depending on a number of factors, such as the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Ronald Reagan Washington National Airport (DCA) to Logan Intl. Airport (BIL)?
To touch down at Logan Intl. Airport (BIL) on time, select a flight that leaves from Ronald Reagan Washington National Airport (DCA) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Ronald Reagan Washington National Airport (DCA) to Logan Intl. Airport (BIL) last-minute?
Booking your plane ticket from DCA to BIL shortly before your getaway is usually more expensive. But if you're flexible with your schedule, you could snag a cheap last-minute fare.
Is it cheaper to book a DCA to BIL flight and hotel package?
You can save money by securing a DCA to BIL flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one place. Once you've chosen your ideal flights and accommodations, consider other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Ronald Reagan Washington National Airport (DCA) to Logan Intl. Airport (BIL)?
Usually, it's possible to cancel or reschedule your DCA to BIL flight. However, if it's been more than 24 hours since booking, additional charges may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more information on our Customer Service portal.

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*Available to One Key members.