$337 Cheap Flights from Washington (DCA) to Riverton (RIW)

View $337 flight on Sat, Oct 18, 2025Opens in a new window

Popular airlines from Ronald Reagan Washington National Airport (DCA) to Riverton, WY (RIW-Riverton Regional)

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Cheap Flights from Washington to Riverton (DCA-RIW)

Prices were available within the past 7 days and start at $337 for one-way flights and $433 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, Dec 6 - Thu, Dec 25
DCA
Washington
RIW
Riverton
$433 Roundtrip, found 2 days ago
$433
Roundtrip
found 2 days ago
Select United flight, departing Sat, Dec 6 from Washington to Riverton, returning Thu, Dec 25, priced at $433 found 2 days ago
United
Sat, Dec 6 - Wed, Dec 24
DCA
Washington
RIW
Riverton
$453 Roundtrip, found 2 days ago
$453
Roundtrip
found 2 days ago
Select United flight, departing Sat, Dec 6 from Washington to Riverton, returning Wed, Dec 24, priced at $453 found 2 days ago
United
Sat, Dec 6 - Mon, Dec 15
DCA
Washington
RIW
Riverton
$457 Roundtrip, found 2 days ago
$457
Roundtrip
found 2 days ago
Select United flight, departing Sat, Dec 6 from Washington to Riverton, returning Mon, Dec 15, priced at $457 found 2 days ago
United
Sat, Dec 6 - Tue, Dec 9
DCA
Washington
RIW
Riverton
$478 Roundtrip, found 2 days ago
$478
Roundtrip
found 2 days ago
Select United flight, departing Sat, Dec 6 from Washington to Riverton, returning Tue, Dec 9, priced at $478 found 2 days ago
United
Mon, Dec 15 - Thu, Dec 25
DCA
Washington
RIW
Riverton
$498 Roundtrip, found 2 days ago
$498
Roundtrip
found 2 days ago
Select United flight, departing Mon, Dec 15 from Washington to Riverton, returning Thu, Dec 25, priced at $498 found 2 days ago
United
Sat, Dec 6 - Wed, Dec 17
DCA
Washington
RIW
Riverton
$500 Roundtrip, found 2 days ago
$500
Roundtrip
found 2 days ago
Select United flight, departing Sat, Dec 6 from Washington to Riverton, returning Wed, Dec 17, priced at $500 found 2 days ago
United
Wed, Dec 10 - Thu, Dec 25
DCA
Washington
RIW
Riverton
$518 Roundtrip, found 2 days ago
$518
Roundtrip
found 2 days ago
Select United flight, departing Wed, Dec 10 from Washington to Riverton, returning Thu, Dec 25, priced at $518 found 2 days ago
United
Sat, Dec 6 - Mon, Dec 8
DCA
Washington
RIW
Riverton
$522 Roundtrip, found 2 days ago
$522
Roundtrip
found 2 days ago
Select United flight, departing Sat, Dec 6 from Washington to Riverton, returning Mon, Dec 8, priced at $522 found 2 days ago
United
Sat, Dec 13 - Thu, Dec 25
DCA
Washington
RIW
Riverton
$522 Roundtrip, found 2 days ago
$522
Roundtrip
found 2 days ago
Select United flight, departing Sat, Dec 13 from Washington to Riverton, returning Thu, Dec 25, priced at $522 found 2 days ago
United
Wed, Oct 29 - Tue, Nov 4
DCA
Washington
RIW
Riverton
$523 Roundtrip, found 1 day ago
$523
Roundtrip
found 1 day ago
Select United flight, departing Wed, Oct 29 from Washington to Riverton, returning Tue, Nov 4, priced at $523 found 1 day ago

Frequently asked questions

How much does a flight from Ronald Reagan Washington National Airport (DCA) to Riverton Regional Airport (RIW) cost?
Secure a cheap one-way flight from $337 or cheap return flight from $433 from Ronald Reagan Washington National Airport (DCA) to Riverton Regional Airport (RIW) 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 Ronald Reagan Washington National Airport (DCA) to Riverton Regional Airport (RIW)?
December is the least expensive month to fly from DCA to RIW. Planning your trip for the off-season is often the key to better flight prices.
What is the cheapest airline that flies from Ronald Reagan Washington National Airport (DCA) to Riverton Regional Airport (RIW)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest DCA to RIW flight.
How many flights per day from Ronald Reagan Washington National Airport (DCA) to Riverton Regional Airport (RIW)?
You'll have to catch a flight with a layover when traveling from Ronald Reagan Washington National Airport (DCA) to Riverton Regional Airport (RIW). Direct flights don't operate daily on this route. However, simply filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from DCA to RIW?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can vary depending on a range of factors, such as the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Ronald Reagan Washington National Airport (DCA) to Riverton Regional Airport (RIW)?
To avoid possible delays on the Ronald Reagan Washington National Airport (DCA) to Riverton Regional Airport (RIW) route, aim to fly before 3 PM. Later departures have a 22% higher chance of being canceled.**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 Ronald Reagan Washington National Airport (DCA) to Riverton Regional Airport (RIW) last-minute?
Booking your plane ticket from DCA to RIW shortly before your journey is typically more expensive. However, if there's some wiggle room with your schedule, you could snag a cheap last-minute fare.
Is it cheaper to book a DCA to RIW flight and hotel package?
Compared with arranging flights and hotels separately, booking a DCA to RIW flight and hotel package with Expedia could result in significant savings. Better still, managing everything in one place takes the hassle out of planning your trip. Just secure your flights and select from our extensive range of stays, then personalize your trip with other add-ons like activities and car rentals.
Can I cancel or change the date of my flight from Ronald Reagan Washington National Airport (DCA) to Riverton Regional Airport (RIW)?
If you reserved your DCA to RIW flight within the last 24 hours, you may be able to cancel or modify it without 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, go to our Customer Service portal for more details.

Travel information

Travel information

Origin airport
Ronald Reagan Washington National
Destination airport
Riverton Regional
Airlines serving
United
Roundtrip price
$433
Distance
1654 mi

Book with confidence

Book with confidence

Washington to Riverton Flights

The cheapest times to fly from Washington to Riverton

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

 

The best time to book a flight from Washington to Riverton

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

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 Riverton in 2025. You can also book with separate airlines for your outbound and return journeys, from $337 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 Riverton 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 Riverton 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.

 

Washington to Riverton Flights

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*Available to One Key members.