$216 Cheap Flights from Madison (MSN) to Sun Valley (SUN)

View $216 flight on Sun, Mar 22, 2026Opens in a new window

Popular airlines from Dane County Regional Airport (MSN) to Sun Valley, ID (SUN-Friedman Memorial)

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Cheap Flights from Madison to Sun Valley (MSN-SUN)

Prices were available within the past 7 days and start at $216 for one-way flights and $301 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, Mar 21 - Tue, Mar 24
MSN
Madison
SUN
Sun Valley
$301 Roundtrip, found 2 hours ago
$301
Roundtrip
found 2 hours ago
Select United flight, departing Sat, Mar 21 from Madison to Sun Valley, returning Tue, Mar 24, priced at $301 found 2 hours ago
United
Sat, Mar 21 - Tue, Mar 24
MSN
Madison
SUN
Sun Valley
$347 Roundtrip, found 2 hours ago
$347
Roundtrip
found 2 hours ago
Select United flight, departing Sat, Mar 21 from Madison to Sun Valley, returning Tue, Mar 24, priced at $347 found 2 hours ago
United
Sun, Mar 22 - Tue, Mar 24
MSN
Madison
SUN
Sun Valley
$371 Roundtrip, found 2 hours ago
$371
Roundtrip
found 2 hours ago
Select United flight, departing Sun, Mar 22 from Madison to Sun Valley, returning Tue, Mar 24, priced at $371 found 2 hours ago
United
Sat, Mar 21 - Tue, Mar 24
MSN
Madison
SUN
Sun Valley
$381 Roundtrip, found 2 hours ago
$381
Roundtrip
found 2 hours ago
Select United flight, departing Sat, Mar 21 from Madison to Sun Valley, returning Tue, Mar 24, priced at $381 found 2 hours ago
United
Sat, Mar 21 - Tue, Mar 24
MSN
Madison
SUN
Sun Valley
$381 Roundtrip, found 2 hours ago
$381
Roundtrip
found 2 hours ago
Select United flight, departing Sat, Mar 21 from Madison to Sun Valley, returning Tue, Mar 24, priced at $381 found 2 hours ago
United
Sun, Mar 8 - Tue, Mar 24
MSN
Madison
SUN
Sun Valley
$390 Roundtrip, found 2 days ago
$390
Roundtrip
found 2 days ago
Select United flight, departing Sun, Mar 8 from Madison to Sun Valley, returning Tue, Mar 24, priced at $390 found 2 days ago
United
Wed, Mar 18 - Wed, Mar 25
MSN
Madison
SUN
Sun Valley
$400 Roundtrip, found 2 hours ago
$400
Roundtrip
found 2 hours ago
Select United flight, departing Wed, Mar 18 from Madison to Sun Valley, returning Wed, Mar 25, priced at $400 found 2 hours ago
American Airlines
Mon, Mar 23 - Mon, Mar 30
MSN
Madison
SUN
Sun Valley
$565 Roundtrip, found 7 hours ago
$565
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Mon, Mar 23 from Madison to Sun Valley, returning Mon, Mar 30, priced at $565 found 7 hours ago
Alaska Airlines
Thu, Mar 26 - Sun, Mar 29
MSN
Madison
SUN
Sun Valley
$782 Roundtrip, found 6 days ago
$782
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Thu, Mar 26 from Madison to Sun Valley, returning Sun, Mar 29, priced at $782 found 6 days ago
Delta
Fri, Mar 27 - Mon, Mar 30
MSN
Madison
SUN
Sun Valley
$977 Roundtrip, found 6 days ago
$977
Roundtrip
found 6 days ago
Select Delta flight, departing Fri, Mar 27 from Madison to Sun Valley, returning Mon, Mar 30, priced at $977 found 6 days ago

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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 $400
SUN
Friedman Memorial
CheapestClosest
Average driving time to city center23 min
Flights from $400

Frequently asked questions

How much does a flight from Madison, WI (MSN-Dane County Regional) to Sun Valley, ID (SUN-Friedman Memorial) cost?
You can find cheap one-way flights from $216 and cheap return flights from $301 Madison, WI (MSN-Dane County Regional) to Sun Valley, ID (SUN-Friedman Memorial) with Expedia. One-way flights typically cost between $330 and $1448, and return flights often range between $1386 and $1776. 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 Madison, WI (MSN-Dane County Regional) 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 Madison, WI (MSN-Dane County Regional) to Sun Valley, ID (SUN-Friedman Memorial)?
The cheapest month to fly from MSN to SUN is March 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 Madison, WI (MSN-Dane County Regional) to Sun Valley, ID (SUN-Friedman Memorial)?
Enter MSN to SUN and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Madison, WI (MSN-Dane County Regional) to Sun Valley, ID (SUN-Friedman Memorial)?
United is one of the cheapest airlines offering connecting flights from Madison, WI (MSN) to Sun Valley, ID (SUN), with round-trip tickets starting from around $1,328. 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 Madison, WI (MSN-Dane County Regional) to Sun Valley, ID (SUN-Friedman Memorial)?
To find a cheap flight from Madison, WI (MSN-Dane County Regional) 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 Madison, WI (MSN-Dane County Regional) 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 Madison, WI (MSN-Dane County Regional) to Sun Valley, ID (SUN-Friedman Memorial)?
The earliest flight from Dane County Regional Airport (MSN) to Friedman Memorial Airport (SUN) typically departs at around 5:45 AM, operated by Delta Airlines. This early departure can help you maximize your time in 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 Madison, WI (MSN-Dane County Regional) to Sun Valley, ID (SUN-Friedman Memorial)?
The most popular departure times for flights from Dane County Regional Airport (MSN) to Friedman Memorial Airport (SUN) are in the morning, from 6am to 9am. About 77% of passengers prefer this time window. Many major carriers, including United Airlines and Delta, offer flights during this window. This timing works well because it lets you arrive in Sun Valley with plenty of time to enjoy the day.
How long does it take to fly from Madison, WI (MSN-Dane County Regional) to Sun Valley, ID (SUN-Friedman Memorial)?
A flight from MSN to SUN with a layover takes around 6 hours 30 minutes, with the route covering approximately 1,250 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 Madison, WI (MSN-Dane County Regional) to Sun Valley, ID (SUN-Friedman Memorial)?
First class seats are offered on the MSN to SUN route with Delta Air Lines and United Airlines.
How do I earn miles on a Madison, WI (MSN-Dane County Regional) to Sun Valley, ID (SUN-Friedman Memorial) flight with Expedia?
It's easy to earn miles on a Madison, WI (MSN-Dane County Regional) 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 Dane County Regional (MSN)?
From Dane County Regional (MSN), you can fly into Friedman Memorial (SUN) to reach Sun Valley. Some flights may connect through major hubs like Minneapolis - St. Paul Intl. (MSP), Hartsfield-Jackson Atlanta Intl. (ATL), O'Hare Intl. (ORD) 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 Madison, WI (MSN-Dane County Regional) to Sun Valley, ID (SUN-Friedman Memorial) at the last minute?
Typically, booking a last minute flight from Madison, WI (MSN-Dane County Regional) 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 Madison, WI (MSN-Dane County Regional) to Sun Valley, ID (SUN-Friedman Memorial) flight and hotel package?
Securing a Madison, WI (MSN-Dane County Regional) 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 Madison, WI (MSN-Dane County Regional) to Sun Valley, ID (SUN-Friedman Memorial)?
If you booked your Madison, WI (MSN-Dane County Regional) 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
Dane County Regional
Destination airport
Friedman Memorial
Airlines serving
American Airlines, Delta, United
Roundtrip price
$300
Distance
1249 mi

Book with confidence

Madison to Sun Valley Flights

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

 

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

Sunday is one of the best days to book for cheap flights from Madison 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 Madison 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 Madison to Sun Valley in 2026. You can also book with separate airlines for your outbound and return journeys, from $216 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 Madison 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 Madison 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.

 

Madison to Sun Valley Flights

*Flight schedules are subject to change.

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*Available to One Key members.