$79 Cheap flight deals from Chicago (CHI) to Sun Valley (BOI)

Earn rewards on top of your airline miles with Orbitz Rewards

Many airlines offer flexible change policies

Sign up to receive text alerts about your trip

This Weekend's Flight Deals from Chicago to Sun Valley

This weekend's flight prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, May 3 - Sat, May 10
ORD
O'Hare Intl.
BOI
Boise
$213 Roundtrip, found 6 days ago
$213
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Sat, May 3 from O'Hare Intl. to Boise, returning Sat, May 10, priced at $213 found 6 days ago

Airfares from $79 One Way, $170 Round Trip from Chicago to Sun Valley

Prices starting at $170 for return flights and $79 for one-way flights to Sun Valley were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Jun 27 - Wed, Jul 2
ORD
Chicago
BOI
Boise
$170 Roundtrip, found 4 days ago
$170
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Fri, Jun 27 from Chicago to Boise, returning Wed, Jul 2, priced at $170 found 4 days ago
Thu, Jul 3 - Tue, Jul 8
MDW
Chicago
BOI
Boise
$175 Roundtrip, found 4 days ago
$175
Roundtrip
found 4 days ago
Select Delta flight, departing Thu, Jul 3 from Chicago to Boise, returning Tue, Jul 8, priced at $175 found 4 days ago
Fri, Aug 29 - Wed, Sep 10
ORD
Chicago
BOI
Boise
$201 Roundtrip, found 2 hours ago
$201
Roundtrip
found 2 hours ago
Select United flight, departing Fri, Aug 29 from Chicago to Boise, returning Wed, Sep 10, priced at $201 found 2 hours ago
Wed, May 28 - Wed, Jun 11
ORD
Chicago
BOI
Boise
$207 Roundtrip, found 6 days ago
$207
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Wed, May 28 from Chicago to Boise, returning Wed, Jun 11, priced at $207 found 6 days ago
Sun, May 25 - Thu, May 29
ORD
Chicago
BOI
Boise
$211 Roundtrip, found 3 days ago
$211
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Sun, May 25 from Chicago to Boise, returning Thu, May 29, priced at $211 found 3 days ago

More About Flying To Sun Valley from Chicago

Route Information for Flights from Chicago to Sun Valley

Origin Airport IATA Code
CHI
Destination Airport IATA Code
BOI
Distance
Direct Flight Airlines
Earliest Flight Arrival
Latest Flight Arrival

Chicago to Sun Valley

Planning a romantic getaway, traveling the world at last or flying out to see the kids and grandkids? Orbitz On-the-Go saves you both time and money. Our cutting edge mobile tools and guaranteed low prices leave plenty of room in your budget for the important things in life. Find same-day deals on domestic flights from Chicago to Sun Valley, and bargain sales on international Chicago to Sun Valley flights.

Family Matters, and So Do Cheap Tickets

Don’t miss another birthday, graduation or wedding, wherever they are. Take advantage of Orbitz On-the-Go’s discount travel planning features to save on flights from Chicago to Sun Valley and Chicago to Sun Valley flights. Tell them you’ll be there, every single time.

Escape to Romance

Treat yourself and the one you love to a romantic hideaway. Orbitz budget air flights from Chicago to Sun Valley and Chicago to Sun Valley flights can be bundled into packages for extravagant savings at spa resorts and hotels.

See the World

It’s finally your time. Go wherever the wind takes you. Orbitz On-the-Go makes dreams come true. Book low fare flights from Chicago to Sun Valley, the world is at your fingertips.

Flight or Gate Changes? No Problem

Once you’ve reserved your low cost air ticket on Chicago to Sun Valley flights or flights from Chicago to Sun Valley, stay informed with Orbitz On-the-Go free alerts. Choose from email, voice and text notification. You’ll always know your flight status and gate number, and where and how to pick up your bags.

Frequently asked questions

Are there non-stop flights from Chicago to Sun Valley?
There most certainly are. As a matter of fact, there are 3 airlines that will take you directly from O’Hare Intl. Airport (ORD) to BOI. Book a ticket with one of these carriers:

  • United Airlines
  • Alaska Airlines
  • American Airlines

What is the shortest flight from Chicago to Sun Valley?
The fastest flight from Chicago, IL (MDW-Midway Intl.) to Boise, ID (BOI) is 4 hours and 30 minutes. Bring something extra to help pass the time, like an interesting read or your travel journal.
What airlines fly from Chicago to Sun Valley most frequently?
The carriers that fly frequently between O’Hare Intl. Airport (ORD) and Boise, ID (BOI) include United Airlines (UA). This well-known option offers 91 flights on the route each month. If you can’t find the right flight for you there, check out the airfares with Alaska Airlines (AS). This airline is a fantastic alternative and offers 30 flights between Chicago and Sun Valley monthly.
What is the cheapest day of the week to fly?
Consider flying out early in the week to save on your airfare. Orbitz data from 2021 shows that Monday is the cheapest day to depart, followed by Tuesday. Saturday showed the highest average ticket prices likely because many travelers prefer to start their vacation on a weekend.
What is the cheapest month to fly?
We won’t keep you guessing, according to Orbitz data from 2021, the cheapest month to fly is February. Perfect for those who need a weekend getaway, or just a break from it all in the shortest month of the year. Be aware that the most expensive time to fly is during the height of summer in July, and in the holiday month of December.*According to flight demand on Orbitz.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.