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

View $136 flight on Mon, May 25, 2026Opens in a new window

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

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

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
Wed, May 20 - Sat, May 30
SUN
Sun Valley
PHX
Phoenix
$271 Roundtrip, found 3 hours ago
$271
Roundtrip
found 3 hours ago
Select Delta flight, departing Wed, May 20 from Sun Valley to Phoenix, returning Sat, May 30, priced at $271 found 3 hours ago
United
Wed, May 20 - Sat, May 30
SUN
Sun Valley
PHX
Phoenix
$271 Roundtrip, found 3 hours ago
$271
Roundtrip
found 3 hours ago
Select United flight, departing Wed, May 20 from Sun Valley to Phoenix, returning Sat, May 30, priced at $271 found 3 hours ago
Delta
Mon, May 11 - Wed, May 13
SUN
Sun Valley
PHX
Phoenix
$275 Roundtrip, found 18 hours ago
$275
Roundtrip
found 18 hours ago
Select Delta flight, departing Mon, May 11 from Sun Valley to Phoenix, returning Wed, May 13, priced at $275 found 18 hours ago
Delta
Mon, May 11 - Wed, May 13
SUN
Sun Valley
PHX
Phoenix
$280 Roundtrip, found 18 hours ago
$280
Roundtrip
found 18 hours ago
Select Delta flight, departing Mon, May 11 from Sun Valley to Phoenix, returning Wed, May 13, priced at $280 found 18 hours ago
United
Sat, May 30 - Sun, May 31
SUN
Sun Valley
PHX
Phoenix
$282 Roundtrip, found 1 day ago
$282
Roundtrip
found 1 day ago
Select United flight, departing Sat, May 30 from Sun Valley to Phoenix, returning Sun, May 31, priced at $282 found 1 day ago
United
Mon, May 11 - Thu, May 14
SUN
Sun Valley
PHX
Phoenix
$288 Roundtrip, found 2 days ago
$288
Roundtrip
found 2 days ago
Select United flight, departing Mon, May 11 from Sun Valley to Phoenix, returning Thu, May 14, priced at $288 found 2 days ago
United
Wed, May 20 - Sat, May 30
SUN
Sun Valley
PHX
Phoenix
$295 Roundtrip, found 3 hours ago
$295
Roundtrip
found 3 hours ago
Select United flight, departing Wed, May 20 from Sun Valley to Phoenix, returning Sat, May 30, priced at $295 found 3 hours ago
United
Sat, May 30 - Sun, May 31
SUN
Sun Valley
PHX
Phoenix
$298 Roundtrip, found 1 day ago
$298
Roundtrip
found 1 day ago
Select United flight, departing Sat, May 30 from Sun Valley to Phoenix, returning Sun, May 31, priced at $298 found 1 day ago
Delta
Wed, May 20 - Sat, May 30
SUN
Sun Valley
PHX
Phoenix
$311 Roundtrip, found 3 hours ago
$311
Roundtrip
found 3 hours ago
Select Delta flight, departing Wed, May 20 from Sun Valley to Phoenix, returning Sat, May 30, priced at $311 found 3 hours ago
Alaska Airlines
Sun, May 10 - Wed, May 13
SUN
Sun Valley
PHX
Phoenix
$315 Roundtrip, found 2 days ago
$315
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Sun, May 10 from Sun Valley to Phoenix, returning Wed, May 13, priced at $315 found 2 days ago

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 $385
PHX
Sky Harbor Intl.
CheapestClosest
Average driving time to city center10 min
Flights from $385

Frequently asked questions

How much does a flight from Sun Valley, ID (SUN-Friedman Memorial) to Phoenix, AZ (PHX-Sky Harbor Intl.) cost?
You can find cheap one-way flights and cheap return flights from $271 Sun Valley, ID (SUN-Friedman Memorial) to Phoenix, AZ (PHX-Sky Harbor Intl.) with Expedia. One-way flights usually range from $148 to $954, and return flights typically cost between $369 and $1515. 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 Sun Valley, ID (SUN-Friedman Memorial) to Phoenix, AZ (PHX-Sky Harbor Intl.) 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 Sun Valley, ID (SUN-Friedman Memorial) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
The cheapest month to fly from SUN to PHX is May 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 Sun Valley, ID (SUN-Friedman Memorial) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
American Airlines offers around 10 weekly direct flights from SUN to PHX.
What is the cheapest airline that flies from Sun Valley, ID (SUN-Friedman Memorial) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
American Airlines is one of the cheapest airlines offering nonstop flights from Sun Valley, ID (SUN-Friedman Memorial) to Phoenix, AZ (PHX-Sky Harbor Intl.), 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 Sun Valley, ID (SUN-Friedman Memorial) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
To find a cheap flight from Sun Valley, ID (SUN-Friedman Memorial) to Phoenix, AZ (PHX-Sky Harbor Intl.), 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 Sun Valley, ID (SUN-Friedman Memorial) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
The best airline to fly with from Sun Valley, ID (SUN) to Phoenix, AZ (PHX) 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 Sun Valley to Phoenix, 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 Sun Valley, ID (SUN-Friedman Memorial) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
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 Sun Valley, ID (SUN-Friedman Memorial) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
You can find approximately 1 nonstop flights per day from Friedman Memorial (SUN) to Sky Harbor Intl. (PHX). For more options, look at flights that include layovers.
What is the earliest flight from Sun Valley, ID (SUN-Friedman Memorial) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
The earliest flight from Friedman Memorial Airport (SUN) to Sky Harbor International Airport (PHX) usually departs at around 7:00 AM, operated by United and American Airlines. This seasonal service is available in October, giving you a great start to your day in Phoenix. 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 Sun Valley, ID (SUN-Friedman Memorial) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
When flying from Sun Valley, ID (SUN-Friedman Memorial) to Phoenix, AZ (PHX-Sky Harbor Intl.), the most popular departure times are in the early morning, from 6am to 9am. About 39% of passengers opt for this time window. Major carriers like American Airlines and United Airlines provide flights during this period. This timing works well because it allows you to arrive in Phoenix with a full day ahead of you.
How long does it take to fly from Sun Valley, ID (SUN-Friedman Memorial) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
Direct flights from SUN to PHX usually take about 2 hours 30 minutes, traveling roughly 707 miles. If you opt for a connecting flight, expect to add around 3 hours 20 minutes to your journey. 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 Sun Valley, ID (SUN-Friedman Memorial) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
You can fly first class between SUN and PHX. First class cabins are available on:

  • Delta Air Lines
  • American Airlines
  • United Airlines

How do I earn miles on a Sun Valley, ID (SUN-Friedman Memorial) to Phoenix, AZ (PHX-Sky Harbor Intl.) flight with Expedia?
It's easy to earn miles on a Sun Valley, ID (SUN-Friedman Memorial) to Phoenix, AZ (PHX-Sky Harbor Intl.) 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 Phoenix from Friedman Memorial (SUN)?
From Friedman Memorial (SUN), you can fly into Sky Harbor Intl. (PHX) to reach Phoenix. Some flights may connect through major hubs like Seattle - Tacoma Intl. (SEA), Denver Intl. (DEN), Los Angeles Intl. (LAX) before reaching Phoenix. 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 Sun Valley, ID (SUN-Friedman Memorial) to Phoenix, AZ (PHX-Sky Harbor Intl.) at the last minute?
Typically, booking a last minute flight from Sun Valley, ID (SUN-Friedman Memorial) to Phoenix, AZ (PHX-Sky Harbor Intl.) 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 Sun Valley, ID (SUN-Friedman Memorial) to Phoenix, AZ (PHX-Sky Harbor Intl.) flight and hotel package?
Securing a Sun Valley, ID (SUN-Friedman Memorial) to Phoenix, AZ (PHX-Sky Harbor Intl.) Phoenix Vacation Packages 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 Sun Valley, ID (SUN-Friedman Memorial) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
If you booked your Sun Valley, ID (SUN-Friedman Memorial) to Phoenix, AZ (PHX-Sky Harbor Intl.) 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
Friedman Memorial
Destination airport
Sky Harbor Intl.
Airlines serving
Alaska Airlines, Delta, United
Roundtrip price
$270
Distance
706 mi

Book with confidence

Sun Valley to Phoenix Flights

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

 

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

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

 

Sun Valley to Phoenix Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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