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£342 Cheap Flights from Chicago (ORD) to Sun Valley (SUN)

View £342 flight on Sun, 16 Aug 2026Opens in a new window

Popular airlines from Chicago O'Hare International Airport (ORD) to Sun Valley, ID (SUN-Friedman Memorial)

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Cheap Flights from Chicago (ORD) to Sun Valley (SUN)

Prices were available within the past 7 days and start at £342 for one-way flights and £5,494 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sun, 13 Sept - Sun, 20 Sept
ORD
Chicago
SUN
Sun Valley
£5,494 Return, found 1 day ago
£5,494
Return
found 1 day ago
Select Alaska Airlines flight, departing Sun, 13 Sept from Chicago to Sun Valley, returning Sun, 20 Sept, priced at £5,494 found 1 day ago
Alaska Airlines
Sun, 13 Sept - Sun, 20 Sept
ORD
Chicago
SUN
Sun Valley
£5,580 Return, found 1 day ago
£5,580
Return
found 1 day ago
Select Alaska Airlines flight, departing Sun, 13 Sept from Chicago to Sun Valley, returning Sun, 20 Sept, priced at £5,580 found 1 day ago
Alaska Airlines
Sun, 13 Sept - Sun, 20 Sept
ORD
Chicago
SUN
Sun Valley
£5,606 Return, found 1 day ago
£5,606
Return
found 1 day ago
Select Alaska Airlines flight, departing Sun, 13 Sept from Chicago to Sun Valley, returning Sun, 20 Sept, priced at £5,606 found 1 day ago
Alaska Airlines
Sun, 13 Sept - Sun, 20 Sept
ORD
Chicago
SUN
Sun Valley
£5,689 Return, found 1 day ago
£5,689
Return
found 1 day ago
Select Alaska Airlines flight, departing Sun, 13 Sept from Chicago to Sun Valley, returning Sun, 20 Sept, priced at £5,689 found 1 day ago
Alaska Airlines
Sun, 13 Sept - Sun, 20 Sept
ORD
Chicago
SUN
Sun Valley
£5,696 Return, found 1 day ago
£5,696
Return
found 1 day ago
Select Alaska Airlines flight, departing Sun, 13 Sept from Chicago to Sun Valley, returning Sun, 20 Sept, priced at £5,696 found 1 day ago
Alaska Airlines
Sun, 13 Sept - Sun, 20 Sept
ORD
Chicago
SUN
Sun Valley
£5,775 Return, found 1 day ago
£5,775
Return
found 1 day ago
Select Alaska Airlines flight, departing Sun, 13 Sept from Chicago to Sun Valley, returning Sun, 20 Sept, priced at £5,775 found 1 day ago
Alaska Airlines
Sun, 13 Sept - Sun, 20 Sept
ORD
Chicago
SUN
Sun Valley
£5,802 Return, found 1 day ago
£5,802
Return
found 1 day ago
Select Alaska Airlines flight, departing Sun, 13 Sept from Chicago to Sun Valley, returning Sun, 20 Sept, priced at £5,802 found 1 day ago
Alaska Airlines
Sun, 13 Sept - Sun, 20 Sept
ORD
Chicago
SUN
Sun Valley
£5,891 Return, found 1 day ago
£5,891
Return
found 1 day ago
Select Alaska Airlines flight, departing Sun, 13 Sept from Chicago to Sun Valley, returning Sun, 20 Sept, priced at £5,891 found 1 day ago

Frequently asked questions

How much does a flight from Chicago, IL (ORD-O'Hare Intl.) to Sun Valley, ID (SUN-Friedman Memorial) cost?
You can find one-way and return flights from ORD to SUN with Expedia. 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 our cheapest fares first, and use the Price Tracking tool to receive alerts when ORD to SUN ticket fares go up or down.
What is the cheapest month to fly from Chicago, IL (ORD-O'Hare Intl.) to Sun Valley, ID (SUN-Friedman Memorial)?
The cheapest months to fly from ORD to SUN are typically during off-peak season 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 are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Chicago, IL (ORD-O'Hare Intl.) to Sun Valley, ID (SUN-Friedman Memorial)?
Only one airline offers direct flights from Chicago, IL (ORD-O'Hare Intl.) to Sun Valley, ID (SUN-Friedman Memorial). United operates 11 direct flights from Chicago, IL (ORD-O'Hare Intl.) to Sun Valley, ID (SUN-Friedman Memorial) every week.
What is the cheapest airline that flies from Chicago, IL (ORD-O'Hare Intl.) to Sun Valley, ID (SUN-Friedman Memorial)?
American Airlines is one of the cheapest airlines offering nonstop return flights from Chicago O'Hare International Airport (ORD) to Sun Valley (SUN), with tickets starting from around £180 for flights that can be booked for departure within the next year. American Airlines also offers one of the cheapest connecting return flights on this route, with a layover in Dallas-Fort Worth Intl. (DFW), starting from around £252. 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.
How do I find cheap flights from Chicago, IL (ORD-O'Hare Intl.) to Sun Valley, ID (SUN-Friedman Memorial)?
To find a cheap flight from Chicago, IL (ORD-O'Hare 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 Chicago, IL (ORD-O'Hare Intl.) to Sun Valley, ID (SUN-Friedman Memorial)?
The best airline to fly with from Chicago, IL (ORD-O'Hare Intl.) to Sun Valley, ID (SUN-Friedman Memorial) will differ from traveler to traveler. If you like to fly early, United offers early morning flights. If price is the most important factor, United typically offers the lowest fares. Alaska Airlines offers the most daily flights from Chicago, IL (ORD-O'Hare Intl.) to Sun Valley, ID (SUN-Friedman Memorial), 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 Chicago, IL (ORD-O'Hare 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 Chicago, IL (ORD-O'Hare Intl.) to Sun Valley, ID (SUN-Friedman Memorial)?
There is 1 nonstop flight per day from Chicago O'Hare International (ORD) to Sun Valley Friedman Memorial (SUN). For even more choices, look at flights that include layovers, as there are around 27 connecting flights per day. Some common connection points include Portland International (PDX), Seattle - Tacoma International (SEA), and San Diego International (SAN).
What is the earliest flight from Chicago, IL (ORD-O'Hare Intl.) to Sun Valley, ID (SUN-Friedman Memorial)?
The earliest flight from Chicago O'Hare International Airport (ORD) to Sun Valley Friedman Memorial (SUN) typically departs around 1:55 AM local time. This service is operated by Alaska Airlines and is seasonal, active in July and August. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Chicago, IL (ORD-O'Hare Intl.) to Sun Valley, ID (SUN-Friedman Memorial)?
You'll typically find the most flights from Chicago O'Hare International Airport (ORD) to Sun Valley Friedman Memorial (SUN) on a Wednesday, with around 28 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include United, Alaska Airlines, and Delta. Wednesday sees notably more flight options compared to other days of the week, offering you greater flexibility.
What are the most popular departure times for flights from Chicago, IL (ORD-O'Hare Intl.) to Sun Valley, ID (SUN-Friedman Memorial)?
The most popular departure time for flights from Chicago O'Hare International Airport (ORD) to Sun Valley (SUN) is in the early morning, between 6am and 9am. Many major carriers, including United, Delta and Alaska Airlines, offer flights during this window. Many travellers prefer this time as it allows for an early start to their journey, getting them to their destination with plenty of time left in the day.
How long does it take to fly from Chicago, IL (ORD-O'Hare Intl.) to Sun Valley, ID (SUN-Friedman Memorial)?
A non-stop flight from Chicago O'Hare International Airport (ORD) to Sun Valley Friedman Memorial (SUN) typically takes around 4 hours. This route covers a distance of approximately 2,153 kilometers. If you opt for a one-stop flight, your journey will usually take longer, averaging about 7 hours 55 minutes. Flights with two or more stops will extend your travel time even further, typically around 9 hours 30 minutes. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic, so it's always a good idea to allow for some flexibility in your travel plans.
Can you fly business or first class from Chicago, IL (ORD-O'Hare Intl.) to Sun Valley, ID (SUN-Friedman Memorial)?
You can fly business class or first class between ORD and SUN. You can fly business class with Delta.First class cabins are available on:
  • Alaska Airlines
  • Delta
  • United
  • American Airlines

How do I earn miles on a Chicago, IL (ORD-O'Hare Intl.) to Sun Valley, ID (SUN-Friedman Memorial) flight with Expedia?
It's easy to earn miles on a Chicago, IL (ORD-O'Hare 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, ID (SUN) from Chicago, IL (ORD)?
If you're planning to travel to Sun Valley from O'Hare Intl. (ORD), you can fly directly into Friedman Memorial (SUN). Some flights may connect through major hubs like Portland Intl. (PDX), San Diego Intl. (SAN), or Seattle - Tacoma Intl. (SEA) 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 Chicago, IL (ORD-O'Hare Intl.) to Sun Valley, ID (SUN-Friedman Memorial) at the last minute?
Typically, booking a last minute flight from Chicago, IL (ORD-O'Hare 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 Chicago, IL (ORD-O'Hare Intl.) to Sun Valley, ID (SUN-Friedman Memorial) flight and hotel package?
Securing a Chicago, IL (ORD-O'Hare 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 Chicago, IL (ORD-O'Hare Intl.) to Sun Valley, ID (SUN-Friedman Memorial)?
If you booked your Chicago, IL (ORD-O'Hare 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
O'Hare Intl.
Destination airport
Friedman Memorial
Airlines serving
Alaska Airlines
Return price
£5,493
Distance
2140 km
Average flight time
3 hours 58 mins

Book with confidence

Compare flights from Chicago to Sun Valley easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Chicago to Sun Valley. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Friedman Memorial in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from O'Hare Intl. to Friedman Memorial.  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from O'Hare Intl. (ORD) to Friedman Memorial (SUN)

The easiest way to view the best deals on flights from Chicago to Sun Valley today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from O'Hare Intl. to Friedman Memorial start at just £5,494 and range up to £5,891.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Chicago and Sun Valley
  • booking your flight during September, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Chicago to Sun Valley flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from O'Hare Intl. to Friedman Memorial for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Chicago to Sun Valley easily and book with confidence

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*Available to Expedia members.