Cheap Flights from West Yellowstone (WYS) to Washington (IAD)

Popular airlines from West Yellowstone, MT (WYS-Yellowstone) to Washington Dulles Intl. Airport (IAD)

Frequently asked questions

How much does a flight from Yellowstone Airport (WYS) to Washington Dulles Intl. Airport (IAD) cost?
Grab a cheap one-way flight or cheap return flight from Yellowstone Airport (WYS) to Washington Dulles Intl. Airport (IAD) 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 Yellowstone Airport (WYS) to Washington Dulles Intl. Airport (IAD)?
The cheapest month to fly from WYS to IAD is , when there's less demand. Off-peak season is usually when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Yellowstone Airport (WYS) to Washington Dulles Intl. Airport (IAD)?
To find the cheapest airline flying from WYS to IAD, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Yellowstone Airport (WYS) to Washington Dulles Intl. Airport (IAD)?
You'll need to catch a flight with a layover if you're traveling from Yellowstone Airport (WYS) to Washington Dulles Intl. Airport (IAD). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to find the best option for your trip.
What day of the week has the most flights from WYS to IAD?
Usually you'll have the most choice when it comes to flights on a Friday. Tuesdays tend to be the quietest.* But this can change based on the time of year, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Yellowstone Airport (WYS) to Washington Dulles Intl. Airport (IAD)?
To reach Washington Dulles Intl. Airport (IAD) without delays, choose a flight that leaves Yellowstone Airport (WYS) before 3 PM. The chance 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 Yellowstone Airport (WYS) to Washington Dulles Intl. Airport (IAD) last-minute?
Last-minute bookings from WYS to IAD are usually more expensive. To secure the best rates, start looking for flights ahead of time. That being said, if you're flexible with your travel plans, you may score a cheap ticket right before your trip.
Is it cheaper to book a WYS to IAD flight and hotel package?
Securing a WYS to IAD flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Select from our impressive range of hotels and then add car rentals, flights and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Yellowstone Airport (WYS) to Washington Dulles Intl. Airport (IAD)?
It's usually possible to reschedule or cancel your WYS to IAD flight. However, if it's been more than 24 hours since booking, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
Yellowstone
Destination airport
Washington Dulles Intl.
Distance
1764 mi

Book with confidence

West Yellowstone to Washington Flights

The cheapest times to fly from West Yellowstone 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 West Yellowstone to Washington are during the month of . You can find some of the cheapest flights from West Yellowstone to Washington with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from West Yellowstone to Washington

Sunday is one of the best days to book for cheap flights from West Yellowstone 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 West Yellowstone 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 West Yellowstone to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from 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 West Yellowstone 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 West Yellowstone 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.

 

West Yellowstone to Washington Flights

Explore a world of travel with Expedia

*Available to One Key members.