$109 Cheap Flights from Phoenix (PHX) to Sun Valley (SUN)

View $109 flight on Sat, Jan 31, 2026Opens in a new window

Popular airlines from Phoenix Sky Harbor Intl. Airport (PHX) to Sun Valley, ID (SUN-Friedman Memorial)

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

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

    Earn twice

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

Cheap Flights from Phoenix to Sun Valley (PHX-SUN)

Prices were available within the past 7 days and start at $109 for one-way flights and $218 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Mon, Jan 5 - Wed, Jan 7
PHX
Phoenix
SUN
Sun Valley
$218 Roundtrip, found 1 day ago
$218
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Mon, Jan 5 from Phoenix to Sun Valley, returning Wed, Jan 7, priced at $218 found 1 day ago
Delta
Sat, Feb 21 - Tue, Feb 24
PHX
Phoenix
SUN
Sun Valley
$219 Roundtrip, found 4 hours ago
$219
Roundtrip
found 4 hours ago
Select Delta flight, departing Sat, Feb 21 from Phoenix to Sun Valley, returning Tue, Feb 24, priced at $219 found 4 hours ago
United
Mon, Jan 5 - Wed, Jan 7
PHX
Phoenix
SUN
Sun Valley
$219 Roundtrip, found 1 day ago
$219
Roundtrip
found 1 day ago
Select United flight, departing Mon, Jan 5 from Phoenix to Sun Valley, returning Wed, Jan 7, priced at $219 found 1 day ago
Delta
Wed, Jan 28 - Thu, Jan 29
PHX
Phoenix
SUN
Sun Valley
$220 Roundtrip, found 4 days ago
$220
Roundtrip
found 4 days ago
Select Delta flight, departing Wed, Jan 28 from Phoenix to Sun Valley, returning Thu, Jan 29, priced at $220 found 4 days ago
Delta
Mon, Jan 12 - Tue, Jan 13
PHX
Phoenix
SUN
Sun Valley
$224 Roundtrip, found 1 day ago
$224
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Jan 12 from Phoenix to Sun Valley, returning Tue, Jan 13, priced at $224 found 1 day ago
Alaska Airlines
Mon, Jan 5 - Wed, Jan 7
PHX
Phoenix
SUN
Sun Valley
$226 Roundtrip, found 1 day ago
$226
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Mon, Jan 5 from Phoenix to Sun Valley, returning Wed, Jan 7, priced at $226 found 1 day ago
United
Tue, Feb 3 - Fri, Feb 6
PHX
Phoenix
SUN
Sun Valley
$231 Roundtrip, found 4 days ago
$231
Roundtrip
found 4 days ago
Select United flight, departing Tue, Feb 3 from Phoenix to Sun Valley, returning Fri, Feb 6, priced at $231 found 4 days ago
Delta
Fri, Nov 21 - Sat, Nov 22
PHX
Phoenix
SUN
Sun Valley
$232 Roundtrip, found 4 days ago
$232
Roundtrip
found 4 days ago
Select Delta flight, departing Fri, Nov 21 from Phoenix to Sun Valley, returning Sat, Nov 22, priced at $232 found 4 days ago
Hawaiian Airlines
Thu, Jan 29 - Wed, Feb 4
PHX
Phoenix
SUN
Sun Valley
$260 Roundtrip, found 3 days ago
$260
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Thu, Jan 29 from Phoenix to Sun Valley, returning Wed, Feb 4, priced at $260 found 3 days ago
American Airlines
Sun, Feb 22 - Thu, Feb 26
PHX
Phoenix
SUN
Sun Valley
$331 Roundtrip, found 4 hours ago
$331
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Sun, Feb 22 from Phoenix to Sun Valley, returning Thu, Feb 26, priced at $331 found 4 hours ago

Alternative airports near Sun Valley

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

Select flight to Friedman Memorial SUN. Cheapest and Closest option available. Average driving time to city center is 23 minutes. Flights from $239
SUN
Friedman Memorial
CheapestClosest
Average driving time to city center23 min
Flights from $239

Frequently asked questions

How much does a flight from Sky Harbor Intl. Airport (PHX) to Friedman Memorial Airport (SUN) cost?
Lock in a cheap one-way flight from $109 or cheap return flight from $218 from Sky Harbor Intl. Airport (PHX) to Friedman Memorial Airport (SUN) 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 Sky Harbor Intl. Airport (PHX) to Friedman Memorial Airport (SUN)?
January is the cheapest month to fly from PHX to SUN. Timing your trip outside of the busy season is often the key to landing a great deal.
What is the cheapest airline that flies from Sky Harbor Intl. Airport (PHX) to Friedman Memorial Airport (SUN)?
To find the cheapest airline that'll fly you from PHX to SUN, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Sky Harbor Intl. Airport (PHX) to Friedman Memorial Airport (SUN)?
Direct flights from Sky Harbor Intl. Airport (PHX) to Friedman Memorial Airport (SUN) 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 details and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from PHX to SUN?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during public holidays or peak travel times.*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 Friedman Memorial Airport (SUN)?
To avoid potential delays on the Sky Harbor Intl. Airport (PHX) to Friedman Memorial Airport (SUN) route, travel before 3 PM. Later departures have a 22% higher chance of cancellation.**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 Friedman Memorial Airport (SUN) last-minute?
Waiting until just before your trip to book a flight from PHX to SUN often results in higher prices. While you might find some last-minute deals, they're not always guaranteed. Be flexible with your travel plans for a better chance of getting a bargain.
Is it cheaper to book a PHX to SUN flight and hotel package?
Compared with arranging flights and hotels separately, booking a PHX to SUN flight and hotel package with Expedia could lead to significant savings. What's more, having everything in one easy place will take the stress out of planning your trip. Just secure your flights and choose from our wide 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 Friedman Memorial Airport (SUN)?
Typically, it's possible to cancel or reschedule your PHX to SUN flight. However, if it's been more than 24 hours since booking, additional fees may apply. Check your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
Sky Harbor Intl.
Destination airport
Friedman Memorial
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, United
Roundtrip price
$218
Distance
706 mi

Book with confidence

Phoenix to Sun Valley Flights

The cheapest times to fly from Phoenix to Sun Valley

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

 

The best time to book a flight from Phoenix to Sun Valley

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

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 Sun Valley in 2025. You can also book with separate airlines for your outbound and return journeys, from $109 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 Sun Valley 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 Sun Valley 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 Sun Valley Flights

Explore a world of travel with Expedia

*Available to One Key members.