$243 Cheap Flights from Austin (AUS) to Sun Valley (SUN)
Popular airlines from Austin-Bergstrom Intl. Airport (AUS) to Sun Valley, ID (SUN-Friedman Memorial)
Alaska AirlinesAlaska Airlines
DeltaDelta
UnitedUnited
American AirlinesAmerican Airlines
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Cheap Flights from Austin to Sun Valley (AUS-SUN)
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Austin (AUS) to Sun Valley (SUN) at a glance
Experience a variety of options for your journey from Austin (AUS) to Sun Valley (SUN) on this domestic short-haul route. Explore different airlines and compare full-service carriers to find the best airfares for Austin that match your travel budget and schedule. Discover key details for flights from Austin-Bergstrom International Airport (AUS) to Friedman Memorial Airport (SUN) as you prepare to explore the beautiful sights and neighborhoods of Sun Valley.
- Fastest flight duration: around 4h 30m in-flight, plus roughly 1h 30m layover with one stop
- Route distance: roughly 1,300 miles (2,090 km)
- Flights per week: around 7 departures on average
- Typical fares (one-way): economy tickets often range from $145–$550, depending on seasonality and how far ahead you book
Flights from Austin-Bergstrom International Airport (AUS) to Friedman Memorial Airport (SUN)
Based on the latest traveler bookings, here are the top airlines favored for flights from Austin to Sun Valley, particularly for one-stop services. Common layover points include Denver International Airport (DEN) with a layover of about 1 hour and 30 minutes, Salt Lake City International Airport (SLC) offering a shorter stop of roughly 40 minutes, and Seattle-Tacoma International Airport (SEA) with a longer layover of around 1 hour and 45 minutes. These options allow you to balance price, total travel time, and cabin class to create the ideal itinerary.
- United: As a comprehensive airline, United provides one-stop service with one-way ticket prices generally falling between $175 and $550. This carrier represents about 48% of all departures on this route, offering an in-flight duration of 4 hours and 30 minutes, with a total travel time nearing 6 hours, including layover.
- Delta: Delta functions as a full-service airline featuring one-stop flights, with one-way fares usually ranging from $145 to $495. It accounts for roughly 43% of the departures along this route, providing an in-flight time of 4 hours and 30 minutes, while the entire journey takes approximately 6 hours, factoring in the layover.
Alternative route from Austin (AUS) to Sun Valley (SUN)
- San Antonio to Sun Valley (SAT-SUN): Located approximately 67 miles from Austin-Bergstrom International Airport (AUS), San Antonio International Airport (SAT) serves as a departure point for this route. One-way economy ticket prices generally range from $145 to $675, influenced by the season and the timing of the booking. This route is primarily serviced by one-stop flights, often featuring layovers at Salt Lake City International Airport (SLC) and Denver International Airport (DEN). Leading airlines operating on this route include United and Delta.
How to find the best prices for flights from Austin (AUS) to Sun Valley (SUN)
Getting some of the best deals on flights from Austin to Sun Valley is all about timing and flexibility. Here are some key tips to help you save:
- Best times to book and fly: cheaper fares are typically found when booking 2-8 weeks in advance, which coincides with when most travelers make their reservations. Afternoon departures between 12 PM and 6 PM often offer lower prices, while morning flights from 5 AM to 12 PM are the most popular. Additionally, flying on Friday usually yields cheaper rates, though Thursday is the busiest travel day.
- Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
- Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.* Find Sun Valley hotel and flight deals.
- Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
- Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
- Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.
*Members only. Savings vary and are not available on all bundles. Select hotels.
Arriving at Friedman Memorial Airport from Austin-Bergstrom International Airport
Sun Valley welcomes travelers from Austin with a range of transport options based on price, convenience, and proximity. Sun Valley city center is approximately a 30-minute drive (covering about 18 miles) from Friedman Memorial Airport, depending on traffic. Here's how to reach Sun Valley efficiently:
- Hotel transfer: Transfers offer a convenient way to reach your hotel in Sun Valley, with options including free hotel shuttles and private rides, which can be arranged in advance with your hotel.
- Car rental: Renting a car from Friedman Memorial Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Friedman Memorial Airport on Expedia.
- Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
Austin to Sun Valley Flights
The cheapest times to fly from Austin 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 Austin to Sun Valley are during the month of February. You can find some of the cheapest flights from Austin to Sun Valley with Expedia's search tool and vast selection of airlines.
The best time to book a flight from Austin to Sun Valley
Sunday is one of the best days to book for cheap flights from Austin 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 Austin 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 Austin to Sun Valley in 2026. You can also book with separate airlines for your outbound and return journeys, from $243 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 Austin 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 Austin 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.
Frequently Asked Questions
How much does a flight from Austin, TX (AUS-Austin-Bergstrom Intl.) to Sun Valley, ID (SUN-Friedman Memorial) cost?
You can find cheap one-way flights from $243 and cheap return flights $451 Austin, TX (AUS-Austin-Bergstrom Intl.) to Sun Valley, ID (SUN-Friedman Memorial) with Expedia. One-way flights usually range from $240 to $1251, and return flights typically cost between $315 and $1424. 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 Austin, TX (AUS-Austin-Bergstrom 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 Austin, TX (AUS-Austin-Bergstrom Intl.) to Sun Valley, ID (SUN-Friedman Memorial)?
The cheapest month to fly from AUS to SUN is February 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 Austin, TX (AUS-Austin-Bergstrom Intl.) to Sun Valley, ID (SUN-Friedman Memorial)?
Enter AUS to SUN and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Austin, TX (AUS-Austin-Bergstrom Intl.) to Sun Valley, ID (SUN-Friedman Memorial)?
American Airlines is one of the cheapest airlines offering connecting flights from Austin (AUS) to Sun Valley (SUN) with a layover in Dallas-Fort Worth Intl. (DFW), starting from around $216. 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 Austin, TX (AUS-Austin-Bergstrom Intl.) to Sun Valley, ID (SUN-Friedman Memorial)?
To find a cheap flight from Austin, TX (AUS-Austin-Bergstrom 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 time to fly from Austin, TX (AUS-Austin-Bergstrom 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.
What is the earliest flight from Austin, TX (AUS-Austin-Bergstrom Intl.) to Sun Valley, ID (SUN-Friedman Memorial)?
The earliest flight from Austin (AUS) to Sun Valley (SUN) usually departs at around 5:00 AM, operated by American Airlines. This seasonal service is available in January, perfect for those looking to hit the slopes early in the day. 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 Austin, TX (AUS-Austin-Bergstrom Intl.) to Sun Valley, ID (SUN-Friedman Memorial)?
The most popular departure times for flights from Austin (AUS) to Sun Valley (SUN) are from noon to 3pm. About 44% of passengers prefer this time window. Many major carriers, including American Airlines and United Airlines, offer flights during this window. This timing is great because it gives you the morning to prepare and enjoy a leisurely start before heading to your destination.
How long does it take to fly from Austin, TX (AUS-Austin-Bergstrom Intl.) to Sun Valley, ID (SUN-Friedman Memorial)?
Flying from AUS to SUN with a connection usually takes about 7 hours 30 minutes, traveling roughly 1,296 miles. 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 Austin, TX (AUS-Austin-Bergstrom Intl.) to Sun Valley, ID (SUN-Friedman Memorial)?
First class seats are offered on the AUS to SUN route. First class cabins are available on:
- Delta Air Lines
- American Airlines
- United Airlines
How do I earn miles on a Austin, TX (AUS-Austin-Bergstrom Intl.) to Sun Valley, ID (SUN-Friedman Memorial) flight with Expedia?
It's easy to earn miles on a Austin, TX (AUS-Austin-Bergstrom 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 Austin-Bergstrom Intl. (AUS)?
If you're planning to travel to Sun Valley from Austin-Bergstrom Intl. (AUS), you can fly into Friedman Memorial (SUN) Some flights may connect through major hubs like George Bush Intercontinental (IAH), San Francisco Intl. (SFO), 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 Austin, TX (AUS-Austin-Bergstrom Intl.) to Sun Valley, ID (SUN-Friedman Memorial) at the last minute?
Typically, booking a last minute flight from Austin, TX (AUS-Austin-Bergstrom 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 Austin, TX (AUS-Austin-Bergstrom Intl.) to Sun Valley, ID (SUN-Friedman Memorial) flight and hotel package?
Securing a Austin, TX (AUS-Austin-Bergstrom 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 Austin, TX (AUS-Austin-Bergstrom Intl.) to Sun Valley, ID (SUN-Friedman Memorial)?
If you booked your Austin, TX (AUS-Austin-Bergstrom 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 | Austin-Bergstrom Intl. Airport |
|---|---|
Destination airport | Sun Valley, ID |
Distance | 1,295 miles away |
Airlines serving | Alaska Airlines, Delta, United, American Airlines |
Popular airline | Alaska Airlines |
Roundtrip price | $451 |