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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

$109 CHEAP FLIGHTS from Illinois to Boise

BOI

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Cheap Flights from Illinois to Boise

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Illinois to Boise

Tue, Jun 2 - Tue, Jun 9

7:40 am - 2:10 pm

ORD

BOI

7h 30m

1 stop

1:25 pm - 8:43 pm

BOI

ORD

6h 18m

1 stop

$268Multiple Airlines

Mon, Jun 1 - Tue, Jun 9

5:27 pm - 12:30 pm

STL

BOI

20h 03m

2 stops

1:25 pm - 7:23 pm

BOI

STL

28h 58m

1 stop

$281Frontier

Tue, Jun 2 - Wed, Jun 3

7:40 am - 3:34 pm

ORD

BOI

8h 54m

1 stop

6:35 am - 4:48 pm

BOI

ORD

9h 13m

1 stop

$295Alaska Airlines

Thu, May 28 - Mon, Jun 1

7:40 am - 3:34 pm

ORD

BOI

8h 54m

1 stop

6:12 pm - 1:14 pm

BOI

ORD

18h 02m

1 stop

$310Alaska Airlines

Wed, Sep 23 - Sat, Oct 3

9:45 am - 12:31 pm

ORD

BOI

3h 46mnonstop

1:18 pm - 5:55 pm

BOI

ORD

3h 37mnonstop

$315American Airlines

Sat, Jun 13 - Sat, Jun 20

11:30 am - 2:20 pm

ORD

BOI

3h 50mnonstop

3:11 pm - 8:04 pm

BOI

ORD

3h 53mnonstop

$316American Airlines

Tue, Jun 2 - Tue, Jun 9

5:35 pm - 11:30 pm

MDW

BOI

6h 55m

1 stop

7:10 am - 11:30 am

BOI

MDW

3h 20mnonstop

$325Southwest

Tue, Jun 2 - Tue, Jun 9

4:00 pm - 12:25 am

MDW

BOI

9h 25m

2 stops

7:10 am - 11:30 am

BOI

MDW

3h 20mnonstop

$330Southwest

Sat, Jun 6 - Sat, Jun 13

7:13 pm - 11:46 pm

MDW

BOI

5h 33m

1 stop

5:30 am - 1:09 pm

BOI

MDW

6h 39m

1 stop

$335Delta

Sat, Jun 6 - Sat, Jun 13

1:22 pm - 11:46 pm

MDW

BOI

11h 24m

2 stops

5:30 am - 1:09 pm

BOI

MDW

6h 39m

1 stop

$340Delta

Useful Info

Low season	January
High season	May
Cheapest flight	$109

Best time to beat the crowds with an average 16% drop in price.

Most popular time to fly with an average 1% increase in price.

Flight from Chicago O'Hare Airport 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.

McCall

Ontario

Everything you need to know for your flight to Boise

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Cabin class

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Direct Flights

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Information on the airport you'll fly into in Boise

Boise (BOI)

BOI

$109 Find Cheap Flights from Illinois to Boise

KAYAK searches hundreds of travel sites at once for deals on flights to Boise

Cheap Flights from Illinois to Boise

Recent round-trip flight deals from Illinois to Boise

Recent one-way flight deals from Illinois to Boise

Recent last minute flight deals from Illinois to Boise

Recent direct flight deals from Illinois to Boise

Good to know

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?

Everything you need to know for your flight to Boise

Information on the airport you'll fly into in Boise

Cabin class types available on flights to Illinois

Complete your trip to Boise with a hotel stay or car rental

Find direct flights for Boise

Flights to other popular destinations

Flights from domestic origins to Boise

Choose which airport to fly into in Boise

Find deals for your return flight