$85 Cheap Flights from Bozeman (BZN) to Washington (IAD)

View $85 flight on Wed, Feb 11, 2026Opens in a new window

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

Cheap Flights from Bozeman to Washington (BZN-IAD)

Prices were available within the past 7 days and start at $85 for one-way flights and $175 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Tue, Jan 13 - Wed, Jan 14
BZN
Bozeman
IAD
Washington
$175 Roundtrip, found 4 days ago
$175
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Tue, Jan 13 from Bozeman to Washington, returning Wed, Jan 14, priced at $175 found 4 days ago
Southwest Airlines
Sat, Feb 14 - Tue, Feb 17
BZN
Bozeman
IAD
Washington
$206 Roundtrip, found 2 days ago
$206
Roundtrip
found 2 days ago
Select Southwest Airlines flight, departing Sat, Feb 14 from Bozeman to Washington, returning Tue, Feb 17, priced at $206 found 2 days ago
Southwest Airlines
Thu, Jan 8 - Mon, Jan 12
BZN
Bozeman
IAD
Washington
$224 Roundtrip, found 3 days ago
$224
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Thu, Jan 8 from Bozeman to Washington, returning Mon, Jan 12, priced at $224 found 3 days ago
Southwest Airlines
Sun, Jan 18 - Wed, Jan 21
BZN
Bozeman
IAD
Washington
$229 Roundtrip, found 19 hours ago
$229
Roundtrip
found 19 hours ago
Select Southwest Airlines flight, departing Sun, Jan 18 from Bozeman to Washington, returning Wed, Jan 21, priced at $229 found 19 hours ago
Southwest Airlines
Tue, Feb 24 - Sat, Feb 28
BZN
Bozeman
IAD
Washington
$234 Roundtrip, found 3 days ago
$234
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Tue, Feb 24 from Bozeman to Washington, returning Sat, Feb 28, priced at $234 found 3 days ago
Southwest Airlines
Tue, Feb 10 - Tue, Feb 17
BZN
Bozeman
IAD
Washington
$244 Roundtrip, found 3 days ago
$244
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Tue, Feb 10 from Bozeman to Washington, returning Tue, Feb 17, priced at $244 found 3 days ago
Delta
Tue, Mar 10 - Mon, Mar 16
BZN
Bozeman
IAD
Washington
$245 Roundtrip, found 1 day ago
$245
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Mar 10 from Bozeman to Washington, returning Mon, Mar 16, priced at $245 found 1 day ago
American Airlines
Sat, Feb 14 - Tue, Feb 17
BZN
Bozeman
IAD
Washington
$254 Roundtrip, found 2 days ago
$254
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Feb 14 from Bozeman to Washington, returning Tue, Feb 17, priced at $254 found 2 days ago
Alaska Airlines
Tue, Feb 10 - Tue, Feb 17
BZN
Bozeman
IAD
Washington
$258 Roundtrip, found 3 days ago
$258
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Tue, Feb 10 from Bozeman to Washington, returning Tue, Feb 17, priced at $258 found 3 days ago
United
Sat, Jan 10 - Tue, Jan 13
BZN
Bozeman
IAD
Washington
$279 Roundtrip, found 1 hour ago
$279
Roundtrip
found 1 hour ago
Select United flight, departing Sat, Jan 10 from Bozeman to Washington, returning Tue, Jan 13, priced at $279 found 1 hour ago

Find the cheapest month to fly from Bozeman (BZN) to Washington (IAD)

October is typically the cheapest month to fly

From $221 - $460 per traveler.

Alternative airports near Washington

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

Select flight to Ronald Reagan Washington National DCA. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $745
DCA
Ronald Reagan Washington National
CheapestClosest
Average driving time to city center8 min
Flights from $745
Flights from Bozeman (BZN) to Washington (IAD)
Origin airport
Bozeman Yellowstone Intl.
Destination airport
Washington Dulles Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, Southwest Airlines, United
Roundtrip price
$174
Distance
1769 mi

Bozeman to Washington Flights

The cheapest times to fly from Bozeman to Washington

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

 

The best time to book a flight from Bozeman to Washington

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

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 Bozeman to Washington in 2026. You can also book with separate airlines for your outbound and return journeys, from $85 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 Bozeman to Washington 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 Bozeman to Washington 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 Gallatin Field Airport (BZN) to Washington Dulles Intl. Airport (IAD) cost?
Grab a cheap one-way flight from $85 or cheap return flight from $175 from Gallatin Field Airport (BZN) to Washington Dulles Intl. Airport (IAD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Gallatin Field Airport (BZN) to Washington Dulles Intl. Airport (IAD)?
January is the most affordable month to fly from BZN to IAD. Traveling during an off-peak travel window is often the key to better flight prices.
Which airlines fly direct from Gallatin Field Airport (BZN) to Washington Dulles Intl. Airport (IAD)?
Board a direct flight with United Airlines and travel straight from Gallatin Field Airport (BZN) to Washington Dulles Intl. Airport (IAD).
What is the cheapest airline that flies from Gallatin Field Airport (BZN) to Washington Dulles Intl. Airport (IAD)?
Use the filter tool on Expedia to compare airlines and find the most affordable carrier that'll fly you from BZN to IAD. Then, sort your results by "Price (lowest to highest)" to pick up the best deal available.
How many flights per day from Gallatin Field Airport (BZN) to Washington Dulles Intl. Airport (IAD)?
On average you can take your pick of 1 direct flights per week from Gallatin Field Airport (BZN) to Washington Dulles Intl. Airport (IAD). To expand your choices, consider a flight with a layover. Just enter your dates on Expedia and then filter your search results to show one stop or more.
What are the most popular departure times for flights from Gallatin Field Airport (BZN) to Washington Dulles Intl. Airport (IAD)?
The 3 PM departures from BZN to IAD are the most sought after. They can also be more expensive. If you want to save money, book during off-peak hours.
What day of the week has the most flights from BZN to IAD?
If you jet off on a Saturday, you'll get the largest range of options for flights from Gallatin Field Airport (BZN) to Washington Dulles Intl. Airport (IAD).
What is the earliest flight from Gallatin Field Airport (BZN) to Washington Dulles Intl. Airport (IAD)?
Take the earliest flight at around 3:00PM UTC-7, departing from Gallatin Field Airport (BZN). You'll be flying for around 3h 54m, landing at Washington Dulles Intl. Airport (IAD) at approximately 8:54PM UTC-5.
How long does it take to fly from Gallatin Field Airport (BZN) to Washington Dulles Intl. Airport (IAD)?
The average flight time from BZN to IAD is 3 hours and 54 minutes, covering a distance of 1,750 mi.
What is the best time to fly from Gallatin Field Airport (BZN) to Washington Dulles Intl. Airport (IAD)?
Book a flight from Gallatin Field Airport (BZN) to Washington Dulles Intl. Airport (IAD) that takes off before 3 PM to reduce the likelihood 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 Washington from Gallatin Field Airport (BZN)?
If you're boarding a direct flight from Gallatin Field Airport (BZN) to Washington, Washington Dulles Intl. Airport (IAD) is the only airport you can land at.
Is it cheaper to buy a plane ticket from Gallatin Field Airport (BZN) to Washington Dulles Intl. Airport (IAD) last-minute?
Holding off until just before your departure to book a ticket from BZN to IAD often results in higher prices. While it's possible to find some last-minute discounts, they're not always guaranteed. Keep your travel plans flexible to maximize your chances of getting a bargain.
Is it cheaper to book a BZN to IAD flight and hotel package?
Opting for a BZN to IAD flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Pick from our impressive range of stays and then add car rentals, activities and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Gallatin Field Airport (BZN) to Washington Dulles Intl. Airport (IAD)?
If you booked your BZN to IAD flight within the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of ticket you purchased, 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 want more information.

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*Available to One Key members.