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Cheap flights from Illinois (IL) to Idaho (ID)

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How to find the cheapest flight from
Illinois to Idaho

How far in advance should I book a flight from Illinois to Idaho?

To save on the cost of your flight from Illinois to Idaho, book at least 45 days before your planned departure. Booking around this time can save you about 68% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $182 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $247.

What is the cheapest month to fly from Illinois to Idaho?

September can be a great time to fly to Idaho from Illinois with a flight ticket averaging about $172. Cheapflights users have found deals in the month of September for as cheap as $98. The most expensive prices can be found in the month of March.

Cheap flights from Illinois to Idaho in October, November 2020

The best prices found for Illinois to Idaho flights for October, November
29 Oct - 1 Nov
$125pp
ORD
Chicago O'Hare Intl
Multiple Airlines
 
1 STOP
GEG
Spokane
GEG
Spokane
Multiple Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
19 Nov - 22 Nov
$180pp
ORD
Chicago O'Hare Intl
Multiple Airlines
 
1 STOP
GEG
Spokane
GEG
Spokane
Multiple Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
4 Nov - 12 Nov
$196pp
ORD
Chicago O'Hare Intl
United Airlines
 
1 STOP
BOI
Boise Air Term. Gowen Fld
BOI
Boise Air Term. Gowen Fld
United Airlines
 
1 STOP
ORD
Chicago O'Hare Intl

Illinois to Idaho 2020 flight deals

Cheap flights to Idaho from Illinois found for this year
29 Oct - 1 Nov
$125pp
ORD
Chicago O'Hare Intl
Multiple Airlines
 
1 STOP
GEG
Spokane
GEG
Spokane
Multiple Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
19 Nov - 22 Nov
$180pp
ORD
Chicago O'Hare Intl
Multiple Airlines
 
1 STOP
GEG
Spokane
GEG
Spokane
Multiple Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
4 Nov - 12 Nov
$196pp
ORD
Chicago O'Hare Intl
United Airlines
 
1 STOP
BOI
Boise Air Term. Gowen Fld
BOI
Boise Air Term. Gowen Fld
United Airlines
 
1 STOP
ORD
Chicago O'Hare Intl

Non-stop flights to Idaho from Illinois

Save time with Illinois to Idaho direct flight deals
5 Jan - 12 Jan
$269pp
ORD
Chicago O'Hare Intl
American Airlines
Non-Stop
BOI
Boise Air Term. Gowen Fld
BOI
Boise Air Term. Gowen Fld
American Airlines
Non-Stop
ORD
Chicago O'Hare Intl
8 Jan - 11 Jan
$278pp
ORD
Chicago O'Hare Intl
American Airlines
Non-Stop
BOI
Boise Air Term. Gowen Fld
BOI
Boise Air Term. Gowen Fld
American Airlines
Non-Stop
ORD
Chicago O'Hare Intl
6 Jan - 7 Jan
$287pp
ORD
Chicago O'Hare Intl
American Airlines
Non-Stop
BOI
Boise Air Term. Gowen Fld
BOI
Boise Air Term. Gowen Fld
American Airlines
Non-Stop
ORD
Chicago O'Hare Intl

Last minute flights from Illinois to Idaho

Late deals on round-trip flights to Idaho from Illinois, departing today and this week
29 Oct - 1 Nov
$125pp
ORD
Chicago O'Hare Intl
Multiple Airlines
 
1 STOP
GEG
Spokane
GEG
Spokane
Multiple Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
29 Oct - 1 Nov
$240pp
ORD
Chicago O'Hare Intl
Multiple Airlines
   
2 STOPS
GEG
Spokane
GEG
Spokane
Multiple Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
29 Oct - 1 Nov
$295pp
ORD
Chicago O'Hare Intl
Multiple Airlines
     
3 STOPS
GEG
Spokane
GEG
Spokane
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl

One-way flights to Idaho from Illinois

The cheapest one-way flights from Illinois to Idaho
8:20 am - 4:53 pm
Alaska Airlines
1 Stop
9h 33m
ORD - BOI
Alaska Airlines
3:35 am - 1:35 pm
Frontier
1 Stop
12h 00m
ORD - GEG
Frontier
$97
FlightNetwork
4:30 am - 4:54 pm
American Airlines
2 Stops
14h 24m
ORD - GEG
American Airlines

Related info for your journey

Useful info, stats and facts about Illinois to Idaho flights.

Flight FAQs

From Illinois to Idaho

Are flight prices decreasing from Illinois to Idaho due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Illinois and Idaho for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from Illinois to Idaho to control the spread of COVID-19?

New policies can now be found on Alaska Airlines and Delta to help keep travelers safe while flying. Airline carriers are regularly disinfecting and sanitizing their aircraft. Masks are provided and are mandatory while on board. Pre-flight testing for symptoms and antibodies, alongside socially distanced seating (for a limited time) will work towards keeping travelers safer while flying from Illinois to Idaho. Policies will vary by airline.

Which airlines flying from Illinois to Idaho have flexible cancellations due to COVID-19?

Some of our airline partners flying from Illinois to Idaho have new flexible policies in place due to COVID-19. Delta, United Airlines, and American Airlines are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like Delta with this kind of flexibility.

Can I find flights from Illinois to Idaho for under $200 on Cheapflights?

Yes, there are multiple flights from Illinois to Idaho for under $200. The cheapest flight booked recently is on Multiple Airlines for just $125, but on average you can expect to pay $204.

Are there nonstop flights from Illinois to Idaho for under $300 on Cheapflights?

Cheapflights has at least 20 direct flights from Illinois to Idaho under $300. A good price for a nonstop flight from Illinois to Idaho is less than $361.

Are there last-minute flights available from Illinois to Idaho for under $200?

There are currently 20+ open flights from Illinois to Idaho within the next 7 days for less than $200.

What days are nonstop flights available from Illinois to Idaho?

You can find nonstop flights on the following days: Tuesday, Thursday, Friday.

What are the most popular airlines that fly from Illinois to Idaho?

Before booking your flight from Illinois to Idaho check out the most popular airlines for this route: American Airlines, Alaska Airlines or Delta.

What are the most popular routes from Illinois to Idaho?

Most travelers choose Chicago O'Hare Intl - Boise Air Term. Gowen Fld, Chicago O'Hare Intl - Spokane or Chicago O'Hare Intl - Idaho Falls Fanning Field when deciding on the best route from Illinois to Idaho.

What are the cheapest Flights from Illinois to Idaho?

On average you can expect to pay $374 for a flight from Illinois to Idaho. The cheapest flight overall is $189 while the most popular route, (Chicago O'Hare Intl - Boise Air Term. Gowen Fld) is currently priced at $182.

What are the most reliable airlines from Illinois to Idaho?

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Illinois to Idaho on time: SkyWest Airlines(99%), Aer Lingus(98%), Lufthansa(98%.)

How long is the flight from Illinois to Idaho?

United Airlines, Delta, and American Airlines can get you from Illinois to Idaho in just under 4h 09m. Your travel time can differ by up to 2h 52m. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

What are the cheapest airlines flying from Illinois to Idaho round-trip?

Our cheapest airline available from Illinois to Idaho is United Airlines. Our recent data shows that you can find tickets from as low as $184 on this airline. Additional options worth looking into are Delta and Alaska Airlines, starting at $220 and $224 round-trip.

What are the cheapest airlines to fly from Illinois to Idaho one-way?

$88 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Frontier and Alaska Airlines, with prices starting from $95 and $95, respectively.

Destination information for Idaho

Things to know before you go. Useful info for your trip from Illinois to Idaho

Airports servicing

Bloomington (BMI)
Champaign (CMI)
Decatur (DEC)
Moline (MLI)
Marion (MWA)

Airports servicing

Idaho Falls (IDA)
Lewiston (LWS)
Pocatello (PIH)
Friedman Memorial (SUN)
Twin Falls (TWF)
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