BOI

$99 Find Cheap Flights from Illinois to Boise

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Boise departing on 3/11. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$207
Overall average: $512
Hawaiian Airlines
Mon 3/2Mon 3/9
ORD - BOI • 1 stop
Cheapest non-stop
$249
Typical prices: $293-$476
American Airlines
Sat 5/2Tue 5/5
ORD - BOI • Non-stop
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We hope you love your trip to Boise!
Flight Deals
Useful Info
Flight Deals

Cheap Flights from Illinois to Boise

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Illinois to Boise that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Illinois to Boise

Mon, Mar 2 - Mon, Mar 9
Hawaiian Airlines Logo
5:29 pm - 11:59 pm
ORD
-
BOI
7h 30m
1 stop
Hawaiian Airlines Logo
3:47 pm - 11:56 pm
BOI
-
ORD
7h 09m
1 stop
$207Hawaiian Airlines
Mon, Mar 2 - Wed, Mar 4
Alaska Airlines Logo
3:54 pm - 11:59 pm
ORD
-
BOI
9h 05m
1 stop
Alaska Airlines Logo
6:00 pm - 12:01 pm
BOI
-
ORD
17h 01m
1 stop
$229Alaska Airlines
Wed, Apr 8 - Sun, Apr 12
Frontier Logo
3:29 pm - 11:08 am
ORD
-
BOI
20h 39m
1 stop
Frontier Logo
12:03 pm - 1:19 pm
BOI
-
ORD
24h 16m
1 stop
$236Frontier
Mon, Mar 16 - Mon, Mar 23
Hawaiian Airlines Logo
7:00 am - 3:08 pm
ORD
-
BOI
9h 08m
1 stop
Hawaiian Airlines Logo
8:28 pm - 6:39 am
BOI
-
ORD
9h 11m
1 stop
$241Hawaiian Airlines
Wed, Apr 15 - Sat, Apr 18
Southwest Logo
10:05 am - 4:40 pm
MDW
-
BOI
7h 35m
1 stop
Southwest Logo
1:55 pm - 11:05 pm
BOI
-
MDW
8h 10m
1 stop
$247Southwest
Thu, Feb 19 - Thu, Feb 26
Frontier Logo
4:16 pm - 11:11 am
ORD
-
BOI
19h 55m
1 stop
Frontier Logo
12:38 pm - 11:14 pm
BOI
-
ORD
9h 36m
1 stop
$251Frontier
Wed, Apr 22 - Sat, Apr 25
Southwest Logo
6:10 am - 1:20 pm
MDW
-
BOI
8h 10m
1 stop
Southwest Logo
2:50 pm - 9:20 pm
BOI
-
MDW
5h 30m
1 stop
$258Southwest
Sat, May 2 - Tue, May 5
American Airlines Logo
12:01 pm - 11:41 pm
ORD
-
BOI
12h 40m
1 stop
American Airlines Logo
1:29 pm - 6:03 pm
BOI
-
ORD
3h 34mnonstop
$258American Airlines
Sat, Feb 21 - Thu, Feb 26
Multiple Airlines Logo
3:07 pm - 11:30 pm
ORD
-
BOI
9h 23m
1 stop
Multiple Airlines Logo
12:38 pm - 11:14 pm
BOI
-
ORD
9h 36m
1 stop
$264Multiple Airlines
Sat, May 16 - Tue, May 26
American Airlines Logo
6:00 am - 12:49 pm
PIA
-
BOI
7h 49m
1 stop
American Airlines Logo
2:58 pm - 11:42 pm
BOI
-
PIA
7h 44m
1 stop
$339American Airlines
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$99
Best time to beat the crowds with an average 2% drop in price.
Most popular time to fly and prices are also 2% lower on average.
Flight from Chicago Midway Airport to Boise

FAQs for booking flights from Illinois to Boise

  • How does KAYAK find such low prices on flights from Illinois to Boise?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Boise.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Boise?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Boise from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Illinois to Boise?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Boise with an airline and back to Illinois with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Boise?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Boise from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near Boise?

Book flights to Boise if you plan to visit one of these locations
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Everything you need to know for your flight to Boise

Information on the airport you'll fly into in Boise

Boise (BOI)