$149 Cheap Flights from Sun Valley (SUN) to Chicago (ORD)

View $149 flight on Tue, Apr 14, 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at $149 for one-way flights and $329 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, May 8 - Tue, May 12
SUN
Sun Valley
ORD
Chicago
$329 Roundtrip, found 14 hours ago
$329
Roundtrip
found 14 hours ago
Select Delta flight, departing Fri, May 8 from Sun Valley to Chicago, returning Tue, May 12, priced at $329 found 14 hours ago
Alaska Airlines
Fri, May 8 - Tue, May 12
SUN
Sun Valley
ORD
Chicago
$335 Roundtrip, found 14 hours ago
$335
Roundtrip
found 14 hours ago
Select Alaska Airlines flight, departing Fri, May 8 from Sun Valley to Chicago, returning Tue, May 12, priced at $335 found 14 hours ago
United
Fri, May 8 - Tue, May 12
SUN
Sun Valley
ORD
Chicago
$361 Roundtrip, found 14 hours ago
$361
Roundtrip
found 14 hours ago
Select United flight, departing Fri, May 8 from Sun Valley to Chicago, returning Tue, May 12, priced at $361 found 14 hours ago
Delta
Fri, May 8 - Tue, May 12
SUN
Sun Valley
ORD
Chicago
$374 Roundtrip, found 14 hours ago
$374
Roundtrip
found 14 hours ago
Select Delta flight, departing Fri, May 8 from Sun Valley to Chicago, returning Tue, May 12, priced at $374 found 14 hours ago
Delta
Tue, Jun 16 - Tue, Jun 30
SUN
Sun Valley
ORD
Chicago
$375 Roundtrip, found 3 days ago
$375
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Jun 16 from Sun Valley to Chicago, returning Tue, Jun 30, priced at $375 found 3 days ago
Alaska Airlines
Thu, Apr 16 - Mon, Apr 20
SUN
Sun Valley
ORD
Chicago
$380 Roundtrip, found 1 day ago
$380
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Thu, Apr 16 from Sun Valley to Chicago, returning Mon, Apr 20, priced at $380 found 1 day ago
American Airlines
Wed, Apr 1 - Wed, Apr 8
SUN
Sun Valley
ORD
Chicago
$382 Roundtrip, found 5 days ago
$382
Roundtrip
found 5 days ago
Select American Airlines flight, departing Wed, Apr 1 from Sun Valley to Chicago, returning Wed, Apr 8, priced at $382 found 5 days ago
Alaska Airlines
Fri, May 8 - Tue, May 12
SUN
Sun Valley
ORD
Chicago
$386 Roundtrip, found 14 hours ago
$386
Roundtrip
found 14 hours ago
Select Alaska Airlines flight, departing Fri, May 8 from Sun Valley to Chicago, returning Tue, May 12, priced at $386 found 14 hours ago
United
Wed, Apr 1 - Wed, Apr 8
SUN
Sun Valley
ORD
Chicago
$390 Roundtrip, found 5 days ago
$390
Roundtrip
found 5 days ago
Select United flight, departing Wed, Apr 1 from Sun Valley to Chicago, returning Wed, Apr 8, priced at $390 found 5 days ago
Delta
Tue, Jun 16 - Tue, Jun 30
SUN
Sun Valley
ORD
Chicago
$391 Roundtrip, found 3 days ago
$391
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Jun 16 from Sun Valley to Chicago, returning Tue, Jun 30, priced at $391 found 3 days ago

Find the cheapest month to fly from Sun Valley (SUN) to Chicago (ORD)

January is typically the cheapest month to fly

From $225 - $1,262 per traveler.

Frequently asked questions

How much does a flight from Sun Valley, ID (SUN-Friedman Memorial) to Chicago, IL (ORD-O'Hare Intl.) cost?
You can find cheap one-way flights from $149 and cheap return flights from $329 Sun Valley, ID (SUN-Friedman Memorial) to Chicago, IL (ORD-O'Hare Intl.) with Expedia. One-way flights usually range from $280 to $1118, and return flights typically cost between $473 and $1659. 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 Chicago, IL (ORD-O'Hare 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 Chicago, IL (ORD-O'Hare Intl.)?
January is the cheapest month to fly from Sun Valley, ID (SUN) to Chicago, IL (ORD), with average round-trip fares around $341. This is about 37% lower than the average price throughout the year, as January typically sees a drop in travel demand after the holiday season. Other cheap months to fly from Sun Valley to Chicago include March and December.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Sun Valley, ID (SUN-Friedman Memorial) to Chicago, IL (ORD-O'Hare Intl.)?
2 airlines operate nonstop service from SUN to ORD:

  • American Airlines operates around 8 direct flights from SUN to ORD every week
  • United operates around 7 direct flights from SUN to ORD every week

What is the cheapest airline that flies from Sun Valley, ID (SUN-Friedman Memorial) to Chicago, IL (ORD-O'Hare Intl.)?
American Airlines is one of the cheapest airlines offering connecting flights from Sun Valley, ID (SUN) to Chicago, IL (ORD), with round-trip tickets starting from around $341 with a layover in an unspecified location. 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 Chicago, IL (ORD-O'Hare Intl.)?
To find a cheap flight from Sun Valley, ID (SUN-Friedman Memorial) to Chicago, IL (ORD-O'Hare 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 time to fly from Sun Valley, ID (SUN-Friedman Memorial) to Chicago, IL (ORD-O'Hare Intl.)?
The best time to fly from Sun Valley (SUN) to Chicago (ORD) is in January or March. You can find return flights for about $341 in January, which is a great deal after the holiday rush. March also offers good options, with pleasant spring weather making it an attractive time to visit Chicago.*Prices based on flights available on Expedia in the last year.
How many flights per day from Sun Valley, ID (SUN-Friedman Memorial) to Chicago, IL (ORD-O'Hare Intl.)?
On average, there are around 2 nonstop flights per day from Friedman Memorial (SUN) to O'Hare Intl. (ORD). For more options, look at flights that include layovers.
What is the earliest flight from Sun Valley, ID (SUN-Friedman Memorial) to Chicago, IL (ORD-O'Hare Intl.)?
The earliest flight from Sun Valley, ID (SUN-Friedman Memorial) to Chicago, IL (ORD-O'Hare Intl.) typically departs at around 7:00 AM, operated by United and Alaska Airlines. This is a seasonal service active in August, and an early departure can help you make the most of your day in Chicago. 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 Chicago, IL (ORD-O'Hare Intl.)?
The most popular departure times for flights from Sun Valley, ID (SUN) to Chicago, IL (ORD) are in the early afternoon, from 12pm to 3pm. About 39% of passengers prefer this time window. Many major carriers, including United Airlines and American Airlines, offer flights during this window. This timing works well because it allows you to enjoy your morning in Sun Valley before heading to Chicago.
How long does it take to fly from Sun Valley, ID (SUN-Friedman Memorial) to Chicago, IL (ORD-O'Hare Intl.)?
Direct flights from SUN to ORD usually take about 3 hours 30 minutes, traveling roughly 1,338 miles. If you opt for a connecting flight, expect to add around 4 hours 30 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 Chicago, IL (ORD-O'Hare Intl.)?
You can fly first class between SUN and ORD. 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 Chicago, IL (ORD-O'Hare Intl.) flight with Expedia?
It's easy to earn miles on a Sun Valley, ID (SUN-Friedman Memorial) to Chicago, IL (ORD-O'Hare 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 Chicago from Friedman Memorial (SUN)?
When traveling from Friedman Memorial (SUN) to Chicago, you can fly into Midway Intl. (MDW) and O'Hare Intl. (ORD). Some flights may connect through major hubs like Salt Lake City Intl. (SLC) before reaching Chicago. 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 Chicago, IL (ORD-O'Hare Intl.) at the last minute?
Typically, booking a last minute flight from Sun Valley, ID (SUN-Friedman Memorial) to Chicago, IL (ORD-O'Hare 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 Chicago, IL (ORD-O'Hare Intl.) flight and hotel package?
Securing a Sun Valley, ID (SUN-Friedman Memorial) to Chicago, IL (ORD-O'Hare Intl.) Chicago 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 Chicago, IL (ORD-O'Hare Intl.)?
If you booked your Sun Valley, ID (SUN-Friedman Memorial) to Chicago, IL (ORD-O'Hare 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
O'Hare Intl.
Airlines serving
Alaska Airlines, Delta, United
Roundtrip price
$328
Distance
1337 mi
Average flight time
4 hours 32 mins

Book with confidence

Sun Valley to Chicago Flights

The cheapest times to fly from Sun Valley to Chicago

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

 

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

Sunday is one of the best days to book for cheap flights from Sun Valley to Chicago: 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 Chicago

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 Chicago in 2026. You can also book with separate airlines for your outbound and return journeys, from $149 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 Chicago 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 Chicago 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 Chicago Flights

*Flight schedules are subject to change.

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*Available to One Key members.