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Cheap Flights from Chicago O'Hare International to Boise

Compare Chicago O'Hare International to Boise flight deals

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Flight deals from Chicago O'Hare International to Boise

Looking for a cheap last-minute deal or the best return flight from Chicago O'Hare International Airport to Boise Airport? If you want to travel next month, return fares start from R 3,484. Find the lowest prices on one-way and return tickets right here.
Boise.R 1,213 per passenger.Departing Thu, 10 Sep.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Chicago O'Hare International on Thu, 10 Sep, arriving in Boise.Price includes taxes and charges.From R 1,213, select.
Boise.R 1,869 per passenger.Departing Mon, 5 Oct.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Chicago O'Hare International on Mon, 5 Oct, arriving in Boise.Price includes taxes and charges.From R 1,869, select.
Boise.R 1,956 per passenger.Departing Tue, 11 Aug.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Chicago O'Hare International on Tue, 11 Aug, arriving in Boise.Price includes taxes and charges.From R 1,956, select.
Boise.R 2,034 per passenger.Departing Sat, 15 Aug.One-way flight with United.Outbound direct flight with United departs from Chicago O'Hare International on Sat, 15 Aug, arriving in Boise.Price includes taxes and charges.From R 2,034, select.
Boise.R 2,034 per passenger.Departing Tue, 1 Sep.One-way flight with United.Outbound direct flight with United departs from Chicago O'Hare International on Tue, 1 Sep, arriving in Boise.Price includes taxes and charges.From R 2,034, select.
Boise.R 2,410 per passenger.Departing Wed, 22 Jul.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Chicago O'Hare International on Wed, 22 Jul, arriving in Boise.Price includes taxes and charges.From R 2,410, select.
Boise.R 2,506 per passenger.Departing Sat, 10 Oct.One-way flight with United.Outbound direct flight with United departs from Chicago O'Hare International on Sat, 10 Oct, arriving in Boise.Price includes taxes and charges.From R 2,506, select.
Boise.R 2,506 per passenger.Departing Tue, 3 Nov.One-way flight with United.Outbound direct flight with United departs from Chicago O'Hare International on Tue, 3 Nov, arriving in Boise.Price includes taxes and charges.From R 2,506, select.
Boise.R 2,666 per passenger.Departing Wed, 2 Dec.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Chicago O'Hare International on Wed, 2 Dec, arriving in Boise.Price includes taxes and charges.From R 2,666, select.
Boise.R 2,734 per passenger.Departing Wed, 6 Jan.One-way flight with United.Outbound direct flight with United departs from Chicago O'Hare International on Wed, 6 Jan, arriving in Boise.Price includes taxes and charges.From R 2,734, select.
Boise.R 2,845 per passenger.Departing Sat, 5 Dec.One-way flight with United.Outbound direct flight with United departs from Chicago O'Hare International on Sat, 5 Dec, arriving in Boise.Price includes taxes and charges.From R 2,845, select.
Boise.R 3,395 per passenger.Departing Mon, 1 Feb.One-way flight with Delta.Outbound indirect flight with Delta, departs from Chicago O'Hare International on Mon, 1 Feb, arriving in Boise.Price includes taxes and charges.From R 3,395, select.
Boise.R 3,453 per passenger.Departing Wed, 22 Jul.One-way flight with United.Outbound direct flight with United departs from Chicago O'Hare International on Wed, 22 Jul, arriving in Boise.Price includes taxes and charges.From R 3,453, select.
Boise.R 3,975 per passenger.Departing Mon, 1 Feb.One-way flight with United.Outbound direct flight with United departs from Chicago O'Hare International on Mon, 1 Feb, arriving in Boise.Price includes taxes and charges.From R 3,975, select.

Find the cheapest month to fly from Chicago O'Hare International to Boise

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Chicago O'Hare International to Boise flights are currently cheapest in September.
Jul
from R 2,410
Aug
from R 1,956
Sep
from R 1,213
Oct
from R 1,869
Nov
from R 2,506
Dec
from R 2,666
Jan
from R 2,734
Feb
from R 3,395
Mar
Find prices
Apr
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May
Find prices
Jun
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Direct flights from Chicago O'Hare International to Boise

Chicago O'Hare International to Boise: Alternative routes

Compare routes from Chicago O'Hare International to Boise below. You may find an airport to fly into that's cheaper, faster, or easier than Boise.

Boise

5km from central Boise
ClosestCheapest
from R 1,213
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Chicago to Boise: Flight information

The things to know before you go.
Cheapest flight foundR 1,213
Cheapest month to flySeptember
Average flight time4 hrs
Most popular airlineAmerican Airlines
Average flights per week67

Finding cheap flights from Chicago O'Hare International to Boise: Frequently asked questions

The best price we found for a return flight from Chicago O'Hare International to Boise is R 3,484. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
4 hours is the average flight time from Chicago O'Hare International to Boise.
American Airlines, United and Air Canada fly direct from Chicago O'Hare International to Boise.
As of July 2026, there are 67 flights per week flying from Chicago O'Hare International to Boise.
The cheapest month to fly from Chicago O'Hare International to Boise is usually August.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Chicago O'Hare International Airport to Boise Airport on Thursday, 6 August 2026.
Yes – the average flight time is 4 hours.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Boise but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Boise is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, American Airlines offers the cheapest flight tickets to Boise.

Flying from Chicago O'Hare International Airport (ORD) to Boise Airport (BOI): what you need to know

  • The average time for a direct flight from Chicago O'Hare International Airport to Boise Airport is 4 hours 5 minutes.

  • Take your pick of 21 weekly Chicago O'Hare International Airport to Boise Airport flights. The 08:45 departure with United Airlines is the earliest flight you can take. United Airlines operates the latest service of the day at 19:50.

  • To ensure you catch your ORD to BOI flight, leave enough time to check in and drop off your luggage. Turning up two hours ahead of international departures and one hour before domestic flights is the standard rule.

  • Be prepared for longer lines during popular months such as July. Arriving up to four hours in advance for an international flight and two hours for a domestic departure is a smart move.

  • United has direct flights from Chicago O'Hare International Airport to Boise Airport. Book with this popular carrier, then get ready to discover the sights in Boise — and maybe even more of the United States if time allows.

  • United tops the list for bookings on this route.

  • With 70.69% of services arriving as scheduled, American Airlines is the most punctual carrier operating ORD to BOI flights.

  • Think about adding a stopover when booking your ticket from Chicago O'Hare International Airport to Boise Airport. Just uncheck 'Direct flights only' to break up your trip, or perhaps see a new city along the way. Here are some options between ORD and BOI:

    • Denver International Airport

    • Minneapolis St Paul Airport

    • Salt Lake City Airport

Handy information about Chicago O'Hare International Airport (ORD)

  • ORD's address is 10000 West O'Hare.

  • Of the departures from Chicago O'Hare International Airport, 70% arrive as scheduled at their destination.

  • To get to Chicago O'Hare International Airport from central Chicago, it takes around 30 minutes if you're going by car. This depends on traffic, however. It's approximately 27 kilometres from the airport to the city centre.

  • You can expect a trip time of around 45 minutes on public transport.

  • Booked an early flight from Chicago O'Hare International Airport to Boise Airport? Avoid the last-minute rush to the terminal (and catch some extra z's) by choosing one of these hotels close to ORD:

Arriving at Boise Airport (BOI)

Getting from Boise Airport (BOI) to central Boise

  • You'll find BOI at 3201 Airport Way.

  • From Boise Airport, Boise is approximately 6 kilometres away. It takes around 15 minutes to get to the centre driving.

  • It takes around 30 minutes if you're using public transport.

When to fly to Boise Airport (BOI)

  • It's time to pick your dates for your flight from Chicago O'Hare International Airport to Boise Airport. October is the busiest month to visit Boise. If you want a quieter vibe, go in March.

  • When reserving your flight from Chicago O'Hare International Airport to Boise Airport, consider the kind of weather you like. July is the warmest month in Boise, with the temperature ranging from 15ºC (59ºF) to 35ºC (95ºF).

  • January sees average temperatures of between -11ºC (12ºF) and 5ºC (41ºF). Look for cheap tickets from ORD to BOI around that time if you like travelling in cooler conditions.

Explore more of the United States

  • Boise has plenty going for it, but there are so many other parts of the United States just waiting to be discovered. About 467 kilometres north of Boise, a visit to Spokane will keep you on the go. Check out popular attractions like Riverside State Park, Spokane Falls (Upper Falls) and Cathedral of Our Lady of Lourdes.

  • Salt Lake City is another well-known destination in the United States and is around 483 kilometres south-east of Boise. No trip is complete without seeing Salt Lake Utah Temple, Temple Square and Salt Lake City Tabernacle.

Plan the rest of your trip from Chicago to Boise

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.