Find Cheap Flights from Boise to Chicago (BOI - CHI)

Flights overview

Useful information for finding cheap flights from Boise to Chicago and booking your next trip

Cheapest round-trip flights	$244	Frontier 1 stop 7 hr Thu, Jul 30 — Sat, Aug 8	The cheapest round-trip flight from Boise to Chicago is currently $244
Cheapest one-way flight	$125	Frontier 1 stop 7 hr Thu, Jul 16	The cheapest one-way flight from Boise to Chicago is currently $125
Cheapest nonstop flights	$315	American Nonstop 4 hr Sat, Jul 4 — Sat, Jul 11	The cheapest nonstop round-trip flight from Boise to Chicago is currently $315
Last-minute weekend getaway	$435	Alaska 1 stop 11 hr Sat, May 9 — Mon, May 11	The cheapest last-minute weekend getaway from Boise to Chicago is currently $435
Cheapest business class flights	$646	Frontier 1 stop 7 hr Sun, Jul 5 — Sat, Jul 11	The cheapest business class round-trip flight from Boise to Chicago is currently $646

Fastest flight	3 hr 20 min	The fastest nonstop flight from Boise to Chicago takes 3 hr 20 min
Nonstop flights	Every day	There are direct flights on this route every day.

When is the cheapest time to fly?

The cheapest month to fly from Boise to Chicago is typically September. The most expensive month to fly is typically March.

September Cheapest	Typical prices: $170–295
March Most expensive	Typical prices: $255–550

Popular airlines from Boise to Chicago

Southwest

from $340

Typical price: $270–440

2370 weekly connecting flights

BOI - MDW, ORD Every day
United

Nonstop

from $325

Typical price: $255–460

14 weekly nonstop flights

BOI - ORD Every day

513 weekly connecting flights

BOI - ORD Every day
American

Nonstop

from $315

Typical price: $285–495

7 weekly nonstop flights

BOI - ORD Every day

114 weekly connecting flights

BOI - ORD Every day
Delta

from $335

Typical price: $260–490

449 weekly connecting flights

BOI - MDW, ORD Every day
Alaska

from $295

Typical price: $250–530

103 weekly connecting flights

BOI - ORD Every day
Frontier

from $244

Typical price: $190–560

6 weekly connecting flights

BOI - MDW, ORD Every Thu

Popular airports near Boise

Boise Airport (BOI)

Boise United States 19 min 3 mi
Friedman Memorial Airport (SUN) (SUN)

Sun Valley United States 2 hr 16 min 96 mi
Magic Valley Regional Airport (TWF)

Twin Falls United States 2 hr 9 min 116 mi
Pocatello Regional Airport (PIH)

Pocatello United States 3 hr 16 min 188 mi

Popular airports near Chicago

Chicago O'Hare International Airport (ORD)

Chicago United States 26 min 16 mi
Chicago Midway International Airport (MDW)

Chicago United States 25 min 9 mi
Milwaukee Mitchell International Airport (MKE)

Milwaukee United States 1 hr 23 min 75 mi
Indianapolis International Airport (IND)

Indianapolis United States 2 hr 58 min 165 mi

Frequently asked questions about flying from Boise to Chicago

The cheapest flights from Boise to Chicago are usually in September. Typical ticket prices in September range from $170 to $295.

The cheapest round-trip flight from Boise to Chicago recently found on Google Flights was with Frontier from $244. The cheapest one-way flight was with Frontier from $125.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest Southwest flight from Boise to Chicago is $340, flying from Jun 6 to Jun 13.
The cheapest United flight from Boise to Chicago is $325, flying from Jun 27 to Jul 4.
The cheapest American flight from Boise to Chicago is $315, flying from Jul 4 to Jul 11.
The cheapest Delta flight from Boise to Chicago is $335, flying from Jun 27 to Jul 3.
The cheapest Alaska flight from Boise to Chicago is $295, flying from May 29 to Jun 6.
The cheapest Frontier flight from Boise to Chicago is $244, flying from Jul 30 to Aug 8.

The cheapest round-trip flight from Boise to Chicago starts at $244 from Thu, Jul 30 to Sat, Aug 8. The cheapest one-way flight starts at $125 and departs on Thu, Jul 16.

3 hr 20 min is the shortest flight time from Boise to Chicago.

Chicago's peak season is Jun–Aug. Popular events throughout year include St. Patrick's Day, when the river is tinted green (Mar 17); the Pride Parade (Jun); the Taste of Chicago culinary festival (Jul) and the Jazz Festival (Sep). During the holiday season (Nov–Dec), the Magnificent Mile Lights Festival and Christkindlmarket, a German Christmas market in Daley Plaza, draw crowds to the city.

It's easy to use Google Flights to find the cheapest days to fly from Boise to Chicago.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.

What counts as the best airline for your flights from Boise to Chicago really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from Boise to Chicago.

In terms of nonstop flights, United is the most popular. United offers 14 nonstop flights and 513 connecting flights per week. United flies from Boise Airport (BOI) to Chicago O'Hare International Airport (ORD) .

In terms of flights, Southwest is the most popular. Southwest offers 2,370 connecting flights per week. Southwest flies from Boise Airport (BOI) to Chicago Midway International Airport (MDW) , Chicago O'Hare International Airport (ORD) .

Other popular airlines flying from Boise to Chicago are:

American offers 7 nonstop flights and 114 connecting flights per week. American flies from Boise Airport (BOI) to Chicago O'Hare International Airport (ORD) .
Delta offers 449 connecting flights per week. Delta flies from Boise Airport (BOI) to Chicago Midway International Airport (MDW) , Chicago O'Hare International Airport (ORD) .
Alaska offers 103 connecting flights per week. Alaska flies from Boise Airport (BOI) to Chicago O'Hare International Airport (ORD) .
Frontier offers 6 connecting flights per week. Frontier flies from Boise Airport (BOI) to Chicago Midway International Airport (MDW) , Chicago O'Hare International Airport (ORD) .

The number of connecting flights refers to distinct flights with at least one stop between Boise and Chicago.

The cheapest round-trip flight from Boise to Chicago recently found on Google Flights was with Frontier from $244. The cheapest one-way flight was with Frontier from $125.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest Southwest flight from Boise to Chicago is $340, flying from Jun 6 to Jun 13.
The cheapest United flight from Boise to Chicago is $325, flying from Jun 27 to Jul 4.
The cheapest American flight from Boise to Chicago is $315, flying from Jul 4 to Jul 11.
The cheapest Delta flight from Boise to Chicago is $335, flying from Jun 27 to Jul 3.
The cheapest Alaska flight from Boise to Chicago is $295, flying from May 29 to Jun 6.
The cheapest Frontier flight from Boise to Chicago is $244, flying from Jul 30 to Aug 8.

United and American fly direct from Boise to Chicago.

There are 14 United direct flights from Boise to Chicago per week. Flights are available every day.
There are 7 American direct flights from Boise to Chicago per week. Flights are available every day.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

The cheapest last-minute deal between Boise and Chicago at price $435 is offered by Alaska from Sat, May 9 to Mon, May 11.

United and American fly direct from Boise to Chicago.

There are 14 United direct flights from Boise to Chicago per week. Flights are available every day.
There are 7 American direct flights from Boise to Chicago per week. Flights are available every day.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

There are direct flights from Boise to Chicago on a daily basis.

The cheapest direct (nonstop) round-trip flights between Boise and Chicago start at $315 from Sat, Jul 4 to Sat, Jul 11 with American.

It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Boise to Chicago, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.

The cheapest business class round-trip flights between Boise and Chicago start at $646 from Sun, Jul 5 to Sat, Jul 11 with Frontier.

The cheapest economy class round-trip flights between Boise and Chicago start at $244 from Thu, Jul 30 to Sat, Aug 8.

To book business class trips from Boise to Chicago, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

You can also adjust the trip type to view one-way fares.

The best last-minute getaway deal for the next weekend between Boise and Chicago starts at $435 from Sat, May 9 to Mon, May 11 with Alaska.

The cheapest last-minute deal between Boise and Chicago at price $435 is offered by Alaska from Sat, May 9 to Mon, May 11.

To find last-minute flight deals from Boise to Chicago, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.