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CA $251 Cheap Flights from Billings (BIL) to Washington (IAD)

View CA $251 flight on Tue, Oct 27, 2026Opens in a new window

Popular airlines from Billings Logan Intl. Airport (BIL) to Washington Dulles International Airport (IAD)

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Cheap flights from Billings (BIL) to Washington (IAD)

Prices were available within the past 7 days and start at CA $251 for one-way flights and CA $500 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Tue, Oct 27 - Tue, Nov 17
BIL
Billings
IAD
Washington
CA $500 Roundtrip, found 5 hours ago
CA $500
Roundtrip
found 5 hours ago
Select Alaska Airlines flight, departing Tue, Oct 27 from Billings to Washington, returning Tue, Nov 17, priced at CA $500 found 5 hours ago
Delta
Fri, Sep 11 - Tue, Sep 22
BIL
Billings
IAD
Washington
CA $500 Roundtrip, found 5 hours ago
CA $500
Roundtrip
found 5 hours ago
Select Delta flight, departing Fri, Sep 11 from Billings to Washington, returning Tue, Sep 22, priced at CA $500 found 5 hours ago
Delta
Fri, Sep 11 - Wed, Sep 30
BIL
Billings
IAD
Washington
CA $507 Roundtrip, found 5 hours ago
CA $507
Roundtrip
found 5 hours ago
Select Delta flight, departing Fri, Sep 11 from Billings to Washington, returning Wed, Sep 30, priced at CA $507 found 5 hours ago
Delta
Tue, Sep 15 - Wed, Sep 30
BIL
Billings
IAD
Washington
CA $515 Roundtrip, found 5 hours ago
CA $515
Roundtrip
found 5 hours ago
Select Delta flight, departing Tue, Sep 15 from Billings to Washington, returning Wed, Sep 30, priced at CA $515 found 5 hours ago
Delta
Tue, Sep 15 - Tue, Oct 6
BIL
Billings
IAD
Washington
CA $529 Roundtrip, found 5 hours ago
CA $529
Roundtrip
found 5 hours ago
Select Delta flight, departing Tue, Sep 15 from Billings to Washington, returning Tue, Oct 6, priced at CA $529 found 5 hours ago
Alaska Airlines
Thu, Oct 29 - Tue, Nov 17
BIL
Billings
IAD
Washington
CA $549 Roundtrip, found 5 hours ago
CA $549
Roundtrip
found 5 hours ago
Select Alaska Airlines flight, departing Thu, Oct 29 from Billings to Washington, returning Tue, Nov 17, priced at CA $549 found 5 hours ago
Delta
Fri, Sep 11 - Mon, Sep 28
BIL
Billings
IAD
Washington
CA $557 Roundtrip, found 5 hours ago
CA $557
Roundtrip
found 5 hours ago
Select Delta flight, departing Fri, Sep 11 from Billings to Washington, returning Mon, Sep 28, priced at CA $557 found 5 hours ago
Delta
Tue, Sep 15 - Mon, Sep 28
BIL
Billings
IAD
Washington
CA $564 Roundtrip, found 5 hours ago
CA $564
Roundtrip
found 5 hours ago
Select Delta flight, departing Tue, Sep 15 from Billings to Washington, returning Mon, Sep 28, priced at CA $564 found 5 hours ago
United
Sat, Sep 12 - Sat, Oct 3
BIL
Billings
IAD
Washington
CA $640 Roundtrip, found 5 hours ago
CA $640
Roundtrip
found 5 hours ago
Select United flight, departing Sat, Sep 12 from Billings to Washington, returning Sat, Oct 3, priced at CA $640 found 5 hours ago
American Airlines
Thu, Sep 3 - Fri, Sep 11
BIL
Billings
IAD
Washington
CA $689 Roundtrip, found 5 hours ago
CA $689
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Thu, Sep 3 from Billings to Washington, returning Fri, Sep 11, priced at CA $689 found 5 hours ago

Frequently asked questions

How much does a flight from Billings, MT (BIL-Logan Intl.) to Washington, DC (IAD-Washington Dulles Intl.) cost?
You can find one-way and return flights from BIL to IAD with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when BIL to IAD ticket fares go up or down.
What is the cheapest month to fly from Billings, MT (BIL-Logan Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
The cheapest months to fly from BIL to IAD are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Billings, MT (BIL-Logan Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
Enter BIL to IAD and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Billings, MT (BIL-Logan Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
American Airlines is one of the cheapest airlines offering connecting return flights from Billings, MT (BIL-Logan Intl.) to Washington, DC (IAD-Washington Dulles Intl.), with prices starting from around CA$415 for flights that can be booked for departure within the next year. These flights typically include a layover in Chicago (ORD-O'Hare Intl.). Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from Billings, MT (BIL-Logan Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
To find a cheap flight from Billings, MT (BIL-Logan Intl.) to Washington, DC (IAD-Washington Dulles Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Billings, MT (BIL-Logan Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Billings, MT (BIL-Logan Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
There are approximately 14 connecting flights per day from Billings, MT (BIL-Logan Intl.) to Washington, DC (IAD-Washington Dulles Intl.). Some common connection points include Denver Intl., Seattle - Tacoma Intl., and Portland Intl.
What is the earliest flight from Billings, MT (BIL-Logan Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
The earliest flight from Billings Logan International Airport (BIL) to Washington Dulles International Airport (IAD) typically departs around 5:00 AM local time. This flight is operated by United and is a seasonal service, active in September. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Billings, MT (BIL-Logan Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
You'll typically find the most flights from Billings, MT (BIL-Logan Intl.) to Washington, DC (IAD-Washington Dulles Intl.) on a Friday, with around 15 flights available. This gives you a good selection of options if you're planning to travel at the end of the week. Major airlines on this route include United, Alaska Airlines, and Delta.
What are the most popular departure times for flights from Billings, MT (BIL-Logan Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
The most popular departure times for flights from Billings, MT (BIL-Logan Intl.) to Washington, DC (IAD-Washington Dulles Intl.) are in the early morning, from 6am to 9am. Many major carriers, including United, Alaska Airlines and Delta, offer flights during this window. Many travellers prefer these times as they allow for an early start to your journey, often getting you to your destination with plenty of time left in the day.
How long does it take to fly from Billings, MT (BIL-Logan Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
There are no nonstop flights from Billings, MT (BIL-Logan Intl.) to Washington, DC (IAD-Washington Dulles Intl.). For flights with one stop, you can expect the journey to typically take around 6 hours 30 minutes. If your flight has two or more stops, the travel time usually increases to about 8 hours 48 minutes. The distance covered on this route is approximately 2646 kilometres. Keep in mind that actual flight times can vary due to factors like routing, weather, and wind patterns.
Can you fly business or first class from Billings, MT (BIL-Logan Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
You can fly business class or first class between BIL and IAD. First class cabins are available on Delta, Alaska Airlines, United, and American Airlines.
How do I earn miles on a Billings, MT (BIL-Logan Intl.) to Washington, DC (IAD-Washington Dulles Intl.) flight with Expedia?
It's easy to earn miles on a Billings, MT (BIL-Logan Intl.) to Washington, DC (IAD-Washington Dulles Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Washington, DC (IAD) from Billings, MT (BIL)?
If you're planning to travel to Washington from Logan Intl. (BIL), you can fly directly into Washington Dulles Intl. (IAD). Some flights may connect through major hubs like Salt Lake City Intl. (SLC), Denver Intl. (DEN), or Minneapolis - St. Paul Intl. (MSP) before reaching Washington. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Billings, MT (BIL-Logan Intl.) to Washington, DC (IAD-Washington Dulles Intl.) at the last minute?
Typically, booking a last minute flight from Billings, MT (BIL-Logan Intl.) to Washington, DC (IAD-Washington Dulles Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Billings, MT (BIL-Logan Intl.) to Washington, DC (IAD-Washington Dulles Intl.) flight and hotel package?
Securing a Billings, MT (BIL-Logan Intl.) to Washington, DC (IAD-Washington Dulles Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Billings, MT (BIL-Logan Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
If you booked your Billings, MT (BIL-Logan Intl.) to Washington, DC (IAD-Washington Dulles Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Logan Intl.
Destination airport
Washington Dulles Intl.
Roundtrip price
CA $499
Distance
2630 km

Book with confidence

Billings to Chantilly Flights

The easy way to book your flights from Billings to Washington 

With Expedia, it’s simple to find and book flights to Washington from Billings whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Washington Dulles Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Billings to Washington today, tomorrow, or this week.  

 

Save dollars with cheap flights from Logan Intl., BIL to Washington Dulles Intl., IAD 

Sort your search results by price to find great deals on your flight from Billings to Washington—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Washington from Billings currently is just CA $500 rising to CA $689.  

Here are more money-saving tips: 

  • Fly in October when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Washington  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Washington from Billings 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Washington with Expedia today.

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