$136 Cheap Flights from Phoenix (PHX) to Sun Valley (SUN)

View $136 flight on Wed, May 20, 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at $136 for one-way flights and $271 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, Jun 5 - Mon, Jun 8
PHX
Phoenix
SUN
Sun Valley
$271 Roundtrip, found 21 hours ago
$271
Roundtrip
found 21 hours ago
Select Delta flight, departing Fri, Jun 5 from Phoenix to Sun Valley, returning Mon, Jun 8, priced at $271 found 21 hours ago
Alaska Airlines
Thu, Aug 6 - Mon, Aug 10
PHX
Phoenix
SUN
Sun Valley
$271 Roundtrip, found 1 day ago
$271
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Thu, Aug 6 from Phoenix to Sun Valley, returning Mon, Aug 10, priced at $271 found 1 day ago
United
Wed, May 20 - Mon, May 25
PHX
Phoenix
SUN
Sun Valley
$271 Roundtrip, found 2 hours ago
$271
Roundtrip
found 2 hours ago
Select United flight, departing Wed, May 20 from Phoenix to Sun Valley, returning Mon, May 25, priced at $271 found 2 hours ago
Delta
Thu, Aug 6 - Mon, Aug 10
PHX
Phoenix
SUN
Sun Valley
$276 Roundtrip, found 1 day ago
$276
Roundtrip
found 1 day ago
Select Delta flight, departing Thu, Aug 6 from Phoenix to Sun Valley, returning Mon, Aug 10, priced at $276 found 1 day ago
Delta
Tue, Aug 25 - Fri, Aug 28
PHX
Phoenix
SUN
Sun Valley
$281 Roundtrip, found 6 days ago
$281
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, Aug 25 from Phoenix to Sun Valley, returning Fri, Aug 28, priced at $281 found 6 days ago
United
Wed, May 20 - Sat, May 30
PHX
Phoenix
SUN
Sun Valley
$287 Roundtrip, found 2 days ago
$287
Roundtrip
found 2 days ago
Select United flight, departing Wed, May 20 from Phoenix to Sun Valley, returning Sat, May 30, priced at $287 found 2 days ago
United
Mon, Aug 31 - Tue, Sep 1
PHX
Phoenix
SUN
Sun Valley
$288 Roundtrip, found 5 days ago
$288
Roundtrip
found 5 days ago
Select United flight, departing Mon, Aug 31 from Phoenix to Sun Valley, returning Tue, Sep 1, priced at $288 found 5 days ago
United
Wed, May 20 - Mon, May 25
PHX
Phoenix
SUN
Sun Valley
$298 Roundtrip, found 2 hours ago
$298
Roundtrip
found 2 hours ago
Select United flight, departing Wed, May 20 from Phoenix to Sun Valley, returning Mon, May 25, priced at $298 found 2 hours ago
United
Wed, May 20 - Mon, May 25
PHX
Phoenix
SUN
Sun Valley
$311 Roundtrip, found 2 hours ago
$311
Roundtrip
found 2 hours ago
Select United flight, departing Wed, May 20 from Phoenix to Sun Valley, returning Mon, May 25, priced at $311 found 2 hours ago
Delta
Fri, Jun 5 - Mon, Jun 8
PHX
Phoenix
SUN
Sun Valley
$316 Roundtrip, found 21 hours ago
$316
Roundtrip
found 21 hours ago
Select Delta flight, departing Fri, Jun 5 from Phoenix to Sun Valley, returning Mon, Jun 8, priced at $316 found 21 hours ago

Frequently asked questions

How much does a flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Sun Valley, ID (SUN-Friedman Memorial) cost?
You can find cheap one-way flights from $136 and cheap return flights from $271 Phoenix, AZ (PHX-Sky Harbor Intl.) to Sun Valley, ID (SUN-Friedman Memorial) with Expedia. One-way flights generally range between $183 and $1077, and roundtrip flights usually range from $358 to $1930. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Phoenix, AZ (PHX-Sky Harbor Intl.) to Sun Valley, ID (SUN-Friedman Memorial) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Phoenix, AZ (PHX-Sky Harbor Intl.) to Sun Valley, ID (SUN-Friedman Memorial)?
The cheapest month to fly from PHX to SUN is June when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Phoenix, AZ (PHX-Sky Harbor Intl.) to Sun Valley, ID (SUN-Friedman Memorial)?
You can fly direct from PHX to SUN on American Airlines, with around 7 flights per week.
What is the cheapest airline that flies from Phoenix, AZ (PHX-Sky Harbor Intl.) to Sun Valley, ID (SUN-Friedman Memorial)?
American Airlines is one of the cheapest airlines offering nonstop flights from Phoenix, AZ (PHX) to Sun Valley, ID (SUN), with round-trip tickets starting from around $311. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Phoenix, AZ (PHX-Sky Harbor Intl.) to Sun Valley, ID (SUN-Friedman Memorial)?
To find a cheap flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Sun Valley, ID (SUN-Friedman Memorial), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Phoenix, AZ (PHX-Sky Harbor Intl.) to Sun Valley, ID (SUN-Friedman Memorial)?
The best airline to fly with from Phoenix, AZ (PHX) to Sun Valley, ID (SUN) will differ from traveler to traveler. If you like to fly early, American Airlines offers early morning flights. If price is the most important factor, American Airlines typically offers the lowest fares. Alaska Airlines offers the most daily flights from PHX to SUN, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Phoenix, AZ (PHX-Sky Harbor Intl.) to Sun Valley, ID (SUN-Friedman Memorial)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Phoenix, AZ (PHX-Sky Harbor Intl.) to Sun Valley, ID (SUN-Friedman Memorial)?
On average, there are around 1 nonstop flights per day from Sky Harbor Intl. (PHX) to Friedman Memorial (SUN). For more options, look at flights that include layovers.
What is the earliest flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Sun Valley, ID (SUN-Friedman Memorial)?
The earliest flight from Sky Harbor International (PHX) to Friedman Memorial (SUN) usually leaves at around 12:45 AM, operated by American Airlines. This seasonal service is active in January, giving you an early start to enjoy Sun Valley. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Phoenix, AZ (PHX-Sky Harbor Intl.) to Sun Valley, ID (SUN-Friedman Memorial)?
The most popular departure times for flights from Phoenix (PHX) to Sun Valley (SUN) are in the early morning, from 6am to 9am. About 31% of passengers prefer this time window. Many major carriers, including United Airlines, Alaska Airlines, and Delta, offer flights during this window. This timing works well because it allows you to arrive in Sun Valley with plenty of time to enjoy the day.
How long does it take to fly from Phoenix, AZ (PHX-Sky Harbor Intl.) to Sun Valley, ID (SUN-Friedman Memorial)?
A nonstop flight from PHX to SUN typically takes around 2 hours 20 minutes, covering approximately 707 miles. Connecting flights on this route usually add 4 hours 30 minutes to your travel time. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Phoenix, AZ (PHX-Sky Harbor Intl.) to Sun Valley, ID (SUN-Friedman Memorial)?
You can fly first class between PHX and SUN. First class cabins are available on:

  • Delta Air Lines
  • American Airlines
  • United Airlines

How much is a business class flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Sun Valley, ID (SUN-Friedman Memorial)?
A direct, return business class ticket from Phoenix, AZ (PHX) to Sun Valley, ID (SUN) typically costs between $817 - $1,181. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Phoenix, AZ (PHX-Sky Harbor Intl.) to Sun Valley, ID (SUN-Friedman Memorial) if you opt for a connecting flight.*Prices based on flights available on Expedia in the last year.
How do I earn miles on a Phoenix, AZ (PHX-Sky Harbor Intl.) to Sun Valley, ID (SUN-Friedman Memorial) flight with Expedia?
It's easy to earn miles on a Phoenix, AZ (PHX-Sky Harbor Intl.) to Sun Valley, ID (SUN-Friedman Memorial) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Sun Valley from Sky Harbor Intl. (PHX)?
From Sky Harbor Intl. (PHX), you can fly into Friedman Memorial (SUN) to reach Sun Valley. Some flights may connect through major hubs like Portland Intl. (PDX), Los Angeles Intl. (LAX), San Diego Intl. (SAN) before reaching Sun Valley. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Phoenix, AZ (PHX-Sky Harbor Intl.) to Sun Valley, ID (SUN-Friedman Memorial) at the last minute?
Typically, booking a last minute flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Sun Valley, ID (SUN-Friedman Memorial) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Phoenix, AZ (PHX-Sky Harbor Intl.) to Sun Valley, ID (SUN-Friedman Memorial) flight and hotel package?
Securing a Phoenix, AZ (PHX-Sky Harbor Intl.) to Sun Valley, ID (SUN-Friedman Memorial) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Sun Valley, ID (SUN-Friedman Memorial)?
If you booked your Phoenix, AZ (PHX-Sky Harbor Intl.) to Sun Valley, ID (SUN-Friedman Memorial) flight within the last 24 hours, you may be able to modify or cancel it without any 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, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Sky Harbor Intl.
Destination airport
Friedman Memorial
Airlines serving
Alaska Airlines, Delta, United
Roundtrip price
$270
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 June. 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 2026. You can also book with separate airlines for your outbound and return journeys, from $136 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

*Flight schedules are subject to change.

*Available to One Key members.

 

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