WAS - BIL

$179 Find Cheap Flights from Washington, D.C. to Billings

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Washington, D.C. to Billings departing on 2/24. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Billings

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Billings, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Billings, as well as popular online travel agencies
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Everything you should know

Cheapest round-trip
$314
Delta
Tue 4/14Sat 4/18
DCA - BIL • 1 stop
Cheapest one-way
$179
Alaska Airlines
Tue 2/24
IAD - BIL • 1 stop
Top airlines
Delta
Cheapest • from $314 (round-trip)
Delta
Best reviews • 7.9 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
When to travel
April
Cheapest • 28% price drop
June
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Billings!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Washington, D.C. to Billings (WAS-BIL)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Washington, D.C. to Billings that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Washington, D.C. to Billings

Tue, Apr 14 - Sat, Apr 18
Delta Logo
2:55 pm - 8:11 pm
DCA
-
BIL
7h 16m
1 stop
Delta Logo
6:18 pm - 9:09 am
BIL
-
DCA
12h 51m
2 stops
$314Delta
Wed, Feb 25 - Mon, Mar 2
Delta Logo
12:59 pm - 10:26 pm
DCA
-
BIL
11h 27m
2 stops
Delta Logo
6:15 pm - 9:10 am
BIL
-
DCA
12h 55m
2 stops
$320Delta
Tue, Jun 16 - Sat, Jun 20
United Airlines Logo
6:20 am - 11:21 am
IAD
-
BIL
7h 01m
1 stop
United Airlines Logo
5:00 am - 1:27 pm
BIL
-
IAD
6h 27m
1 stop
$334United Airlines
Sat, Apr 18 - Sat, Apr 25
Delta Logo
5:10 pm - 10:26 pm
DCA
-
BIL
7h 16m
1 stop
Delta Logo
5:15 am - 4:00 pm
BIL
-
DCA
8h 45m
1 stop
$334Delta
Wed, Feb 25 - Mon, Mar 2
Delta Logo
2:17 pm - 7:39 pm
IAD
-
BIL
7h 22m
1 stop
Delta Logo
6:15 pm - 9:13 am
BIL
-
IAD
12h 58m
2 stops
$339Delta
Thu, Feb 5 - Mon, Feb 9
United Airlines Logo
10:02 am - 3:20 pm
IAD
-
BIL
7h 18m
1 stop
United Airlines Logo
2:45 pm - 11:22 pm
BIL
-
IAD
6h 37m
1 stop
$359United Airlines
Thu, Feb 5 - Mon, Feb 9
American Airlines Logo
6:30 am - 1:36 pm
DCA
-
BIL
9h 06m
1 stop
American Airlines Logo
2:15 pm - 11:00 pm
BIL
-
DCA
6h 45m
1 stop
$359American Airlines
Wed, Feb 25 - Mon, Mar 2
Alaska Airlines Logo
7:05 am - 11:38 pm
IAD
-
BIL
18h 33m
1 stop
Alaska Airlines Logo
2:04 pm - 5:40 am
BIL
-
IAD
13h 36m
1 stop
$374Alaska Airlines
Wed, Feb 25 - Mon, Mar 2
American Airlines Logo
6:00 am - 1:18 pm
BWI
-
BIL
9h 18m
1 stop
American Airlines Logo
1:48 pm - 10:59 pm
BIL
-
BWI
7h 11m
1 stop
$394American Airlines
Wed, Feb 25 - Mon, Mar 2
Alaska Airlines Logo
8:00 am - 11:38 pm
DCA
-
BIL
17h 38m
1 stop
Alaska Airlines Logo
2:04 pm - 9:59 pm
BIL
-
DCA
29h 55m
1 stop
$400Alaska Airlines
Booking Insights

KAYAK's insights & trends for Washington, D.C. to Billings flights

Get data-powered insights and trends into flights from Washington, D.C. to Billings to help you find the cheapest flights, the best time to fly and much more.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Washington, D.C. to Billings, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Washington, D.C. to Billings is April, where tickets cost $408 (return) on average. On the other hand, the most expensive months are December and March, where the average cost of round-trip tickets is $745 and $690 respectively.

Good to know

Low seasonJanuary
Cheapest flight$179
Best time to beat the crowds but there is an average 13% increase in price.
Most popular time to fly with an average 11% increase in price.
Flight from Washington Dulles Airport to Billings

When to book flights from Washington, D.C. to Billings

Are your dates flexible? Find out the best times to travel from Washington, D.C. to Billings based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Washington, D.C. to Billings

  • What is the cheapest flight from Washington, D.C. to Billings?

    In the last 3 days, the lowest price for a flight from Washington, D.C. to Billings was $179 for a one-way ticket and $314 for a round-trip.

  • Do I need a passport to fly between Washington, D.C. and Billings?

    Even though you are not required to have a passport, keep in mind that an official ID is needed to board the airplane.

  • Which airports will I be using when flying from Washington, D.C. to Billings?

    When flying out of Washington, D.C. you will be using one of these airports: Washington, D.C. Reagan-National or Washington, D.C. Dulles Intl. You will be landing at Billings Logan Intl.

  • Which aircraft models fly most regularly from Washington, D.C. to Billings?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Washington, D.C. to Billings?

    oneworld, and Star Alliance are the airline alliances operating flights between Washington, D.C. and Billings, with oneworld being the most commonly used for this route.

  • Which is the best airline for flights from Washington, D.C. to Billings, Delta or United Airlines?

    The two airlines most popular with KAYAK users for flights from Washington, D.C. to Billings are Delta and United Airlines. With an average price for the route of $484 and an overall rating of 7.9, Delta is the most popular choice. United Airlines is also a great choice for the route, with an average price of $580 and an overall rating of 7.4.

  • How does KAYAK find such low prices on flights from Washington, D.C. to Billings?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington, D.C. to Billings.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington, D.C. to Billings?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Billings from Washington, D.C. is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Washington, D.C. to Billings?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Billings with an airline and back to Washington, D.C. with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington, D.C. to Billings?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Billings from Washington, D.C. up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top 3 airlines serving from Washington, D.C. to Billings

 
See real verified KAYAK customer reviews for airlines flying from Washington, D.C. to Billings. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Washington, D.C. to Billings? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.9
DeltaOverall score based on 8093 reviews
7.2Food
7.8Entertainment
7.9Comfort
8.5Crew
8.1Boarding
Airline reviews

My flight out of Baton Rouge to Atlanta was delayed by a half hour. This got us into Atlanta airport 30 minutes late. I ran through the airport to get to my connecting flight. As I approached the boarding gate, I saw the boarding door was still open and a passenger was being checked in. But when I got to the gate, the boarding agent told me they had already given away my seat and there were no empty seats on that flight. So I had to take a later flight. That has never happened to me before. Very frustrating.

2.0 MediocreWade, Jan 2026
BTR - ATL
Read more Delta reviews

My flight out of Baton Rouge to Atlanta was delayed by a half hour. This got us into Atlanta airport 30 minutes late. I ran through the airport to get to my connecting flight. As I approached the boarding gate, I saw the boarding door was still open and a passenger was being checked in. But when I got to the gate, the boarding agent told me they had already given away my seat and there were no empty seats on that flight. So I had to take a later flight. That has never happened to me before. Very frustrating.

Connection through Atlanta was difficult. Mechanical issue on plane caused a two hour delay. New gate was a mile away.

No WiFi. Comfort plus should have alcohol provided, crew only offered water or tea. Who the heck wants tea?

The flight was delayed and oversold. I volunteered to give up my seat for compensation. Thinking I could get a good night's sleep instead of arriving home at 2 am. It took over an hour to get the new reservation confirmed, three different gate attendants, and two red coats. It took even longer to confirm the overnight hotel, and when I arrived, the line was 45 minutes long, with two people checking in, and at least 15 people slowly, very slowly—no food except frozen convenience food, no coupon for food from airlines. Slept, headed back to the airport, and that flight had an equipment change and a gate change just as they were about to board. It took an additional hour to board as they cleaned the plane from storage.

There was no wifi available on this flight. And there were no screens, no onboard entertainment, no entertainment options at all. It was like travelling in the 1990s again, except without even a main screen for options. Seats, as usual, were tight and uncomfortable.

Good seat comfort ORF to ATL. Bad seat ATL to SEA (terrible lumbar support, hard, ouch)..

Because I was moved to an exit row, the snacks in economy comfort, the selection of snacks was better.

I upgraded to first. Quick and easy boarding. Comfortable seat with power and a nice IPA.

Probably not the fault of Delta but there was delay after delay after delay and I ended up getting home 4 hours later then I should have at 1:30 in the morning

No in flight service, no explanation - FC got service, C+ did not, unsure about Economy. No turbulence to speak of, so I guess another way to cut cost, or promote health and well being of Delta employees? Also, boarding in MEM combined zones, and with overhead space already full on both flights after Zone 2/ Diamond, presents a huge challenge to find a space for a bag. Delta, other than point A to B, is no longer reasonable to fly - very poor experiences, not even taking into account the chastising at the gate and rude crews, across the board.

Very good. Because of the delays with my previous flight, I missed my connection, but I was able to book another flight through the United app easily.

Was happy we finally got upgraded in 1st class. The seat getting old. The cushiness need some improvement.

Ineffective communication with United resulted in lost baggage. Their Baggage Tracing counter at MUC was shut down from 11:00-14:15 on my arrival. Undertrained, underinformed staff had me Running all over MUC to find someone to help me to no avail. Staff was rude, unhelpful, and unable to effectively use the systems they did have operational. They refused to contact United in any way or provide any accommodation or other resources while I waited for my luggage. This has destroyed my downstream itinerary. If they had even the slightest visibility I may have been able to reschedule/plan, but again, their staff provided nothing, and did nothing more than their website, which doesn’t even work on a standard phone browser. Miserable failure at all levels that weren’t associated with the operation of the aircraft.

Sat next to a one year old. She crawled all over the place and made me laugh.

The Crew and the food was the worst I ever had in Business Class. First they told us there were no space for carry on. It was plenty of space over our 2 row seats, we had to ask to let us travel with it which was accepted. They were aware that we had to run for the connection due to the previous flight delay. Have us one hour waiting for more customers and not even offer a glass of water. Then started the service and they started to serve other passengers drinks in business and did not offer any drinks until they serve our pre ordered meal and I ask for something to drink. I had to wait until they finished to serve all passengers until Inget something. The crew was the worts I ever had for Business Class in my life.

Not great experience - we were super late boarding due to issues with aircraft. Then when we finally all got onboard and seated and they started taxiing out to the runway they just stopped then turned around and went back to the airport. Apparently the crew “ran out of time” to legally fly us. They mentioned that they were about 2 minutes away from taking off. I understand the rules and safety but kinda wonder why they would have bothered boarding us in the first place? Had to go all the way back and de plane and then wait in a HUGE line to get a hotel (this is somewhere around 2:30am) finally got to hotel by Uber (no shuttle after 20min so gave up) and they ended up putting us all back on the same aircraft at 10am next morning so got about 2.5 hours sleep. They did give us. $250 credit, but it was a São Paulo Brazil flight out of Dulles. The flight and everything was fine.

Starlink wifi on the Embraer E175 is an excellent experience. I was able to connect and work from IAD all the way to approach into BTV.

7 hours delayed due to operational issues on United’s end. Basically laziness.

Short flight but an "eager to help" crew made the journey more enjoyable!

During booking, I kept trying submitting my payment from the Mexican website and it didn't work. After I had the idea to change it to the Canadian website, it worked but I had to be charged the equivalent of 50 CAD more. I received the clear instruction that I would only be able to check-in at the airport and that it was impossible to select a seat 24 hours before departure, that I had to pay 144 CAD to do so, although not only was I able to check-in 24 hours before departure, but I could have selected my seats for free then. All in all, I almost threw $200 out the window due to misleading information. Besides, the app kept crashing, the information to get to the gate on the app was inaccurate, my gate was switched and I was only informed once in the air (luckily I had noticed the departure pannel), I was not addressed in my language beforehand and even if I tried I was immediately answered in English (which meant the crew understood but didn't want to answer accordingly), there was only one snack & beverage service on my medium haul flight and no beverage service on my short haul flight. To be fair, the planes were comfortable, the crew apart from the language issue was helpful, dynamic and engaging, the plane was clean and the directions were clear and direct. United has a lot of potential to be one of my favourite airlines, but the devil is in the details and a lot of them missed the target.

Trip delayed for 2 hours because of rain. We boarded and have to get down the flight and reboard again.

The aircraft had several problems - from excess fuel to non operational ac. Two hours of delay in Chicago could have been avoided with proper planning and aircraft maintenance.

This flight captain and crew were amazing, started ahead of time of departure and reached 30 mins before arrival time. Amazing!

Long delays, lack of information about the status of the flight. The flight was delayed 4 times.

Could we please end the loud announcements about credit card offers on your flights? We are trying to sleep, work, watch videos, etc. and if we need a credit card, we will ask for one. Flying is already not what it used to be.

I would like the crew to talk LESS over the PA and specifically about credit card offers. I am trying to work, sleep, watch a movie and the PA was booming about a credit card offer. Could we go back to the days when the customer was more important than selling a credit card?

No enough space plus only allowing one laggage instead of two like other airlines.

It was good. But the gate team made me check my carry on when there was plenty of space for my luggage on the plane. Otherwise our trip was fine.

The entertainment options were at best, fair. It was exactly the same as my outbound flight. It would have been more entertaining if there were some series from Apple TV, HBO, Showtime or other carriers for me to catch up with.

delayed due to weather. Could not communicate with family since the wifi was broken

Everything you need to know for your flight from Washington, D.C. to Billings

Information on your arrival and departure airports