$116 Cheap Flights from Washington (IAD) to Bozeman (BZN)

Popular airlines from Washington Dulles Intl. Airport (IAD) to Bozeman Yellowstone Intl. Airport (BZN)

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Cheap Flights from Washington to Bozeman (IAD-BZN)

Prices were available within the past 7 days and start at $116 for one-way flights and $231 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
American Airlines
Hawaiian Airlines
Southwest Airlines
American Airlines
Alaska Airlines
American Airlines
Delta
Southwest Airlines
Alaska Airlines
Flights from Washington (IAD) to Bozeman (BZN)
Origin airport
Washington Dulles Intl.
Destination airport
Bozeman Yellowstone Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, Southwest Airlines, United
Roundtrip price
$230
Distance
1769 mi

Washington to Bozeman Flights

The cheapest times to fly from Washington to Bozeman

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 Bozeman are during the month of June. You can find some of the cheapest flights from Washington to Bozeman with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Washington to Bozeman

Sunday is one of the best days to book for cheap flights from Washington to Bozeman: 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 Bozeman

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 Bozeman in 2025. You can also book with separate airlines for your outbound and return journeys, from $116 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 Bozeman 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 Bozeman 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 Washington Dulles Intl. Airport (IAD) to Gallatin Field Airport (BZN) cost?
Discover the latest flight deals from IAD to BZN by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from IAD to BZN?
The cheapest flights from IAD to BZN are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Washington Dulles Intl. Airport (IAD) to Gallatin Field Airport (BZN)?
When departing from Washington Dulles Intl. Airport (IAD), you can catch a direct flight to Gallatin Field Airport (BZN) with United Airlines.
What is the cheapest airline that flies from IAD to BZN?
Take off from IAD to BZN with United. This airline currently offers the cheapest one-way ticket for this route, starting at $166. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from IAD on July 5 2025. Prices were last updated on April 24 2025 and have not changed since.
How many flights per day from Washington Dulles Intl. Airport (IAD) to Gallatin Field Airport (BZN)?
On average, Washington Dulles Intl. Airport (IAD) has 1 direct flights to Gallatin Field Airport (BZN) weekly. For more choice, take advantage of Expedia’s filters to find flights with a layover. Squeeze in a quick visit to another city or simply break up your travels.
What are the most popular departure times for flights from Washington Dulles Intl. Airport (IAD) to Gallatin Field Airport (BZN)?
More travelers fly between IAD and BZN at 9 AM than at any other time. Looking for a quieter experience? Try choosing a quieter departure window and it’s possible you’ll save on your ticket as well.
What day of the week has the most flights from IAD to BZN?
If you depart on a Saturday, you’ll get the widest range of options for flights from Washington Dulles Intl. Airport (IAD) to Gallatin Field Airport (BZN).
What is the earliest flight from Washington Dulles Intl. Airport (IAD) to Gallatin Field Airport (BZN)?
Take the earliest flight at around 9:00AM UTC-5, heading out of Washington Dulles Intl. Airport (IAD). You’ll be flying for roughly 4h 46m, reaching Gallatin Field Airport (BZN) at approximately 11:46AM UTC-7.
How long does it take to fly from Washington Dulles Intl. Airport (IAD) to Gallatin Field Airport (BZN)?
The average flight time from IAD to BZN is 4 hours and 46 minutes, covering a total distance of 1,750 mi.
What airline has the least delays from IAD to BZN?
With 83% of flights typically arriving on time, United Airlines has the best on-time performance for nonstop flights from Washington Dulles Intl. Airport (IAD) to Gallatin Field Airport (BZN). To check your flight status and get notified if anything changes, simply head to the Expedia App.
What is the best time to fly from Washington Dulles Intl. Airport (IAD) to Gallatin Field Airport (BZN)?
Opt for a flight from Washington Dulles Intl. Airport (IAD) to Gallatin Field Airport (BZN) that takes off before 3 PM to reduce the risk of delays and cancellations. Departures later than this have a 22% higher chance of being canceled, on average.**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.
What airports do you fly into for Bozeman from Washington Dulles Intl. Airport (IAD)?
If you’re taking a direct flight from Washington Dulles Intl. Airport (IAD) to Bozeman, Gallatin Field Airport (BZN) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from Washington Dulles Intl. Airport (IAD) to Gallatin Field Airport (BZN) last-minute?
Booking your flight from IAD to BZN shortly before your journey is generally more expensive. But if there’s some wiggle room with your travel dates and times, you could score a cheap last-minute fare.
Is it cheaper to book an IAD to BZN flight and hotel package?
Compared with arranging hotels and flights separately, booking an IAD to BZN flight and hotel package with Expedia could lead to significant savings. What’s more, having everything in one easy place will take the stress out of travel planning. Just secure your flights and choose from our wide range of hotels, then tailor your trip with extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Washington Dulles Intl. Airport (IAD) to Gallatin Field Airport (BZN)?
Usually, it’s possible to cancel or reschedule your IAD to BZN flight. However, if it’s been more than 24 hours since booking, additional fees may apply. Refer to your airline’s policies in your itinerary to see what changes are allowed and if any costs are involved. You’ll also find further details on our Customer Service portal.

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