$334 Cheap Flights from Riverton (RIW) to Phoenix (PHX)

View $334 flight on Mon, Mar 16, 2026Opens in a new window

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

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 30% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Riverton to Phoenix (RIW-PHX)

Prices were available within the past 7 days and start at $334 for one-way flights and $258 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Fri, May 8 - Sun, May 10
RIW
Riverton
PHX
Phoenix
$258 Roundtrip, found 5 hours ago
$258
Roundtrip
found 5 hours ago
Select United flight, departing Fri, May 8 from Riverton to Phoenix, returning Sun, May 10, priced at $258 found 5 hours ago
United
Thu, May 7 - Mon, May 11
RIW
Riverton
PHX
Phoenix
$279 Roundtrip, found 6 days ago
$279
Roundtrip
found 6 days ago
Select United flight, departing Thu, May 7 from Riverton to Phoenix, returning Mon, May 11, priced at $279 found 6 days ago
United
Tue, Mar 31 - Tue, Apr 7
RIW
Riverton
PHX
Phoenix
$282 Roundtrip, found 3 hours ago
$282
Roundtrip
found 3 hours ago
Select United flight, departing Tue, Mar 31 from Riverton to Phoenix, returning Tue, Apr 7, priced at $282 found 3 hours ago
United
Thu, May 7 - Mon, May 11
RIW
Riverton
PHX
Phoenix
$285 Roundtrip, found 6 days ago
$285
Roundtrip
found 6 days ago
Select United flight, departing Thu, May 7 from Riverton to Phoenix, returning Mon, May 11, priced at $285 found 6 days ago
United
Tue, Mar 31 - Tue, Apr 7
RIW
Riverton
PHX
Phoenix
$287 Roundtrip, found 3 hours ago
$287
Roundtrip
found 3 hours ago
Select United flight, departing Tue, Mar 31 from Riverton to Phoenix, returning Tue, Apr 7, priced at $287 found 3 hours ago
United
Tue, Mar 31 - Tue, Apr 7
RIW
Riverton
PHX
Phoenix
$289 Roundtrip, found 3 hours ago
$289
Roundtrip
found 3 hours ago
Select United flight, departing Tue, Mar 31 from Riverton to Phoenix, returning Tue, Apr 7, priced at $289 found 3 hours ago
United
Tue, Mar 31 - Tue, Apr 7
RIW
Riverton
PHX
Phoenix
$294 Roundtrip, found 3 hours ago
$294
Roundtrip
found 3 hours ago
Select United flight, departing Tue, Mar 31 from Riverton to Phoenix, returning Tue, Apr 7, priced at $294 found 3 hours ago
United
Tue, Mar 31 - Tue, Apr 7
RIW
Riverton
PHX
Phoenix
$307 Roundtrip, found 3 hours ago
$307
Roundtrip
found 3 hours ago
Select United flight, departing Tue, Mar 31 from Riverton to Phoenix, returning Tue, Apr 7, priced at $307 found 3 hours ago
United
Tue, Mar 31 - Tue, Apr 7
RIW
Riverton
PHX
Phoenix
$315 Roundtrip, found 3 hours ago
$315
Roundtrip
found 3 hours ago
Select United flight, departing Tue, Mar 31 from Riverton to Phoenix, returning Tue, Apr 7, priced at $315 found 3 hours ago
United
Fri, May 8 - Sun, May 10
RIW
Riverton
PHX
Phoenix
$328 Roundtrip, found 5 hours ago
$328
Roundtrip
found 5 hours ago
Select United flight, departing Fri, May 8 from Riverton to Phoenix, returning Sun, May 10, priced at $328 found 5 hours ago

The Annual Vacation Sale

Members save up to 40% on hotels and homes. Plan this year’s big trip and save.
Book now

Alternative airports near Phoenix

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

Select flight to Sky Harbor Intl. PHX. Cheapest and Closest option available. Average driving time to city center is 10 minutes. Flights from $656
PHX
Sky Harbor Intl.
CheapestClosest
Average driving time to city center10 min
Flights from $656

Frequently asked questions

How much does a flight from Riverton Regional Airport (RIW) to Sky Harbor Intl. Airport (PHX) cost?
Get a cheap one-way flight from $334 or cheap return flight from $258 from Riverton Regional Airport (RIW) to Sky Harbor Intl. Airport (PHX) 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 Riverton Regional Airport (RIW) to Sky Harbor Intl. Airport (PHX)?
Planning your getaway for May is a good way to save, as it's the cheapest month for flights between RIW and PHX. You'll usually find the lowest prices during the off-season.
What is the cheapest airline that flies from Riverton Regional Airport (RIW) to Sky Harbor Intl. Airport (PHX)?
Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll take you from RIW to PHX. Then, sort your results by "Price (lowest to highest)" to pick up the best deal available.
How many flights per day from Riverton Regional Airport (RIW) to Sky Harbor Intl. Airport (PHX)?
Nonstop flights from Riverton Regional Airport (RIW) to Sky Harbor Intl. Airport (PHX) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your travel dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from RIW to PHX?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can vary based on a number 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 Riverton Regional Airport (RIW) to Sky Harbor Intl. Airport (PHX)?
To arrive at Sky Harbor Intl. Airport (PHX) on time, select a flight that leaves Riverton Regional Airport (RIW) before 3 PM. The likelihood 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 Riverton Regional Airport (RIW) to Sky Harbor Intl. Airport (PHX) last-minute?
Booking your plane ticket from RIW to PHX right before your journey is usually more expensive. However, if you're flexible with your schedule, you could snag a cheap last-minute fare.
Is it cheaper to book a RIW to PHX flight and hotel package?
Opting for a RIW to PHX flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Pick from our impressive range of accommodations and then add activities, flights and car rentals 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 Riverton Regional Airport (RIW) to Sky Harbor Intl. Airport (PHX)?
It's usually possible to cancel or reschedule your RIW to PHX flight. However, for bookings made more than 24 hours ago, 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 further details on our Customer Service portal.

Travel information

Origin airport
Riverton Regional
Destination airport
Sky Harbor Intl.
Airlines serving
United
Roundtrip price
$258
Distance
692 mi

Book with confidence

Riverton to Phoenix Flights

The cheapest times to fly from Riverton to Phoenix

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

 

The best time to book a flight from Riverton to Phoenix

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

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 Riverton to Phoenix in 2026. You can also book with separate airlines for your outbound and return journeys, from $334 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 Riverton to Phoenix 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 Riverton to Phoenix 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.

 

Riverton to Phoenix Flights

*Flight schedules are subject to change.

Explore a world of travel with Expedia

*Available to One Key members.