$390 Cheap Flights from Phoenix (PHX) to Riverton (RIW)

View $390 flight on Thu, Nov 6, 2025Opens in a new window

Popular airlines from Phoenix Sky Harbor Intl. Airport (PHX) to Riverton, WY (RIW-Riverton Regional)

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Cheap Flights from Phoenix to Riverton (PHX-RIW)

Prices were available within the past 7 days and start at $390 for one-way flights and $238 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, Apr 2 - Mon, Apr 6
PHX
Phoenix
RIW
Riverton
$238 Roundtrip, found 3 days ago
$238
Roundtrip
found 3 days ago
Select United flight, departing Thu, Apr 2 from Phoenix to Riverton, returning Mon, Apr 6, priced at $238 found 3 days ago
United
Fri, Apr 3 - Mon, Apr 6
PHX
Phoenix
RIW
Riverton
$244 Roundtrip, found 3 days ago
$244
Roundtrip
found 3 days ago
Select United flight, departing Fri, Apr 3 from Phoenix to Riverton, returning Mon, Apr 6, priced at $244 found 3 days ago
United
Thu, Apr 2 - Wed, Apr 8
PHX
Phoenix
RIW
Riverton
$286 Roundtrip, just found
$286
Roundtrip
just found
Select United flight, departing Thu, Apr 2 from Phoenix to Riverton, returning Wed, Apr 8, priced at $286 just found
United
Thu, Apr 2 - Wed, Apr 8
PHX
Phoenix
RIW
Riverton
$291 Roundtrip, just found
$291
Roundtrip
just found
Select United flight, departing Thu, Apr 2 from Phoenix to Riverton, returning Wed, Apr 8, priced at $291 just found
United
Thu, Apr 2 - Mon, Apr 6
PHX
Phoenix
RIW
Riverton
$308 Roundtrip, found 3 days ago
$308
Roundtrip
found 3 days ago
Select United flight, departing Thu, Apr 2 from Phoenix to Riverton, returning Mon, Apr 6, priced at $308 found 3 days ago
United
Fri, Apr 3 - Sat, Apr 4
PHX
Phoenix
RIW
Riverton
$314 Roundtrip, found 3 days ago
$314
Roundtrip
found 3 days ago
Select United flight, departing Fri, Apr 3 from Phoenix to Riverton, returning Sat, Apr 4, priced at $314 found 3 days ago
United
Sat, Nov 15 - Thu, Dec 4
PHX
Phoenix
RIW
Riverton
$323 Roundtrip, found 4 days ago
$323
Roundtrip
found 4 days ago
Select United flight, departing Sat, Nov 15 from Phoenix to Riverton, returning Thu, Dec 4, priced at $323 found 4 days ago
United
Wed, Apr 1 - Mon, Apr 6
PHX
Phoenix
RIW
Riverton
$326 Roundtrip, found 5 days ago
$326
Roundtrip
found 5 days ago
Select United flight, departing Wed, Apr 1 from Phoenix to Riverton, returning Mon, Apr 6, priced at $326 found 5 days ago
United
Mon, Nov 17 - Thu, Dec 4
PHX
Phoenix
RIW
Riverton
$329 Roundtrip, found 4 days ago
$329
Roundtrip
found 4 days ago
Select United flight, departing Mon, Nov 17 from Phoenix to Riverton, returning Thu, Dec 4, priced at $329 found 4 days ago
United
Fri, Apr 3 - Mon, Apr 6
PHX
Phoenix
RIW
Riverton
$331 Roundtrip, found 3 days ago
$331
Roundtrip
found 3 days ago
Select United flight, departing Fri, Apr 3 from Phoenix to Riverton, returning Mon, Apr 6, priced at $331 found 3 days ago

Alternative airports near Riverton

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

Select flight to Riverton Regional RIW. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $452
RIW
Riverton Regional
CheapestClosest
Average driving time to city center8 min
Flights from $452

Frequently asked questions

How much does a flight from Sky Harbor Intl. Airport (PHX) to Riverton Regional Airport (RIW) cost?
Grab a cheap one-way flight from $390 or cheap return flight from $238 from Sky Harbor Intl. Airport (PHX) to Riverton Regional Airport (RIW) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Sky Harbor Intl. Airport (PHX) to Riverton Regional Airport (RIW)?
April is the most affordable month to fly from PHX to RIW. Avoiding peak travel times is often the key to landing a great deal.
What is the cheapest airline that flies from Sky Harbor Intl. Airport (PHX) to Riverton Regional Airport (RIW)?
To find the cheapest airline flying from PHX to RIW, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Sky Harbor Intl. Airport (PHX) to Riverton Regional Airport (RIW)?
There are no daily nonstop flights departing from Sky Harbor Intl. Airport (PHX) to Riverton Regional Airport (RIW). But you can book flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be cruising above the clouds before you know it.
What day of the week has the most flights from PHX to RIW?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Sky Harbor Intl. Airport (PHX) to Riverton Regional Airport (RIW)?
To avoid potential delays on the Sky Harbor Intl. Airport (PHX) to Riverton Regional Airport (RIW) route, aim to travel before 3 PM. Departures after this hour 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 Sky Harbor Intl. Airport (PHX) to Riverton Regional Airport (RIW) last-minute?
Last-minute bookings from PHX to RIW are generally more expensive. To lock in the best prices, start searching for flights as soon as possible. That said, if you can play around with your travel dates, you may land a cheap ticket right before you leave.
Is it cheaper to book a PHX to RIW flight and hotel package?
Compared with arranging flights and hotels separately, booking a PHX to RIW flight and hotel package with Expedia could lead to significant savings. What's more, having everything in one easy place will take the hassle out of planning your trip. Just pick your flights and choose from our extensive range of stays, then tailor your trip with extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Sky Harbor Intl. Airport (PHX) to Riverton Regional Airport (RIW)?
In most instances, you can cancel or modify your PHX to RIW flight. However, additional fees may apply, especially if you made your booking over 24 hours ago. Double-check your itinerary for the airline's fees and rules on flight changes, or if you want further information, go to our Customer Service portal.

Travel information

Origin airport
Sky Harbor Intl.
Destination airport
Riverton Regional
Airlines serving
United
Roundtrip price
$238
Distance
692 mi

Book with confidence

Phoenix to Riverton Flights

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

 

The best time to book a flight from Phoenix to Riverton

Sunday is one of the best days to book for cheap flights from Phoenix 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 Phoenix 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 Phoenix to Riverton in 2025. You can also book with separate airlines for your outbound and return journeys, from $390 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 Phoenix 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 Phoenix 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.

 

Phoenix to Riverton Flights

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*Available to One Key members.