Cheap flights from Chicago O'Hare International to Boise

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Flight deals from Chicago O'Hare International to Boise

Looking for a cheap last-minute deal or the best round-trip flight from Chicago O'Hare International Airport to Boise Airport? If you want to travel next month, round-trip fares start from $333. Find the lowest prices on one-way and round-trip tickets right here.

Boise.$251 per passenger.Departing Wed, Jul 22, returning Tue, Aug 4.Round-trip flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Chicago O'Hare International on Wed, Jul 22, arriving in Boise.Inbound indirect flight with Frontier Airlines, departing from Boise on Tue, Aug 4, arriving in Chicago O'Hare International.Price includes taxes and charges.From $251, select.

Boise.$276 per passenger.Departing Wed, Oct 14, returning Sat, Oct 17.Round-trip flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departing from Chicago O'Hare International on Wed, Oct 14, arriving in Boise.Inbound indirect flight with Alaska Airlines, departing from Boise on Sat, Oct 17, arriving in Chicago O'Hare International.Price includes taxes and charges.From $276, select.

Boise.$308 per passenger.Departing Sat, Aug 29, returning Sat, Sep 5.Round-trip flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departing from Chicago O'Hare International on Sat, Aug 29, arriving in Boise.Inbound indirect flight with Alaska Airlines, departing from Boise on Sat, Sep 5, arriving in Chicago O'Hare International.Price includes taxes and charges.From $308, select.

Boise.$308 per passenger.Departing Tue, Aug 11, returning Thu, Aug 20.Round-trip flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departing from Chicago O'Hare International on Tue, Aug 11, arriving in Boise.Inbound indirect flight with Alaska Airlines, departing from Boise on Thu, Aug 20, arriving in Chicago O'Hare International.Price includes taxes and charges.From $308, select.

Boise.$314 per passenger.Departing Sat, Jun 27, returning Sat, Jul 4.Round-trip flight with American Airlines.Outbound direct flight with American Airlines departing from Chicago O'Hare International on Sat, Jun 27, arriving in Boise.Inbound direct flight with American Airlines departing from Boise on Sat, Jul 4, arriving in Chicago O'Hare International.Price includes taxes and charges.From $314, select.

Boise.$316 per passenger.Departing Fri, May 29, returning Mon, Jun 1.Round-trip flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departing from Chicago O'Hare International on Fri, May 29, arriving in Boise.Inbound indirect flight with Alaska Airlines, departing from Boise on Mon, Jun 1, arriving in Chicago O'Hare International.Price includes taxes and charges.From $316, select.

Boise.$316 per passenger.Departing Tue, Jul 21, returning Tue, Jul 28.Round-trip flight with United.Outbound direct flight with United departing from Chicago O'Hare International on Tue, Jul 21, arriving in Boise.Inbound direct flight with United departing from Boise on Tue, Jul 28, arriving in Chicago O'Hare International.Price includes taxes and charges.From $316, select.

Boise.$316 per passenger.Departing Sat, Aug 29, returning Sat, Sep 5.Round-trip flight with United.Outbound direct flight with United departing from Chicago O'Hare International on Sat, Aug 29, arriving in Boise.Inbound direct flight with United departing from Boise on Sat, Sep 5, arriving in Chicago O'Hare International.Price includes taxes and charges.From $316, select.

Boise.$317 per passenger.Departing Thu, May 28, returning Fri, May 29.Round-trip flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departing from Chicago O'Hare International on Thu, May 28, arriving in Boise.Inbound indirect flight with Alaska Airlines, departing from Boise on Fri, May 29, arriving in Chicago O'Hare International.Price includes taxes and charges.From $317, select.

Boise.$318 per passenger.Departing Wed, Sep 9, returning Sat, Sep 19.Round-trip flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departing from Chicago O'Hare International on Wed, Sep 9, arriving in Boise.Inbound indirect flight with Alaska Airlines, departing from Boise on Sat, Sep 19, arriving in Chicago O'Hare International.Price includes taxes and charges.From $318, select.

Boise.$324 per passenger.Departing Sat, Aug 1, returning Sat, Aug 8.Round-trip flight with United.Outbound direct flight with United departing from Chicago O'Hare International on Sat, Aug 1, arriving in Boise.Inbound direct flight with United departing from Boise on Sat, Aug 8, arriving in Chicago O'Hare International.Price includes taxes and charges.From $324, select.

Boise.$333 per passenger.Departing Tue, Jun 23, returning Tue, Jun 30.Round-trip flight with United.Outbound indirect flight with United, departing from Chicago O'Hare International on Tue, Jun 23, arriving in Boise.Inbound indirect flight with United, departing from Boise on Tue, Jun 30, arriving in Chicago O'Hare International.Price includes taxes and charges.From $333, select.

Boise.$336 per passenger.Departing Fri, Nov 20, returning Sun, Nov 22.Round-trip flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departing from Chicago O'Hare International on Fri, Nov 20, arriving in Boise.Inbound indirect flight with Alaska Airlines, departing from Boise on Sun, Nov 22, arriving in Chicago O'Hare International.Price includes taxes and charges.From $336, select.

Boise.$395 per passenger.Departing Sat, Jun 20, returning Thu, Jun 25.Round-trip flight with United.Outbound direct flight with United departing from Chicago O'Hare International on Sat, Jun 20, arriving in Boise.Inbound direct flight with United departing from Boise on Thu, Jun 25, arriving in Chicago O'Hare International.Price includes taxes and charges.From $395, select.

Boise.$407 per passenger.Departing Thu, May 28, returning Sat, Jun 6.Round-trip flight with United.Outbound direct flight with United departing from Chicago O'Hare International on Thu, May 28, arriving in Boise.Inbound direct flight with United departing from Boise on Sat, Jun 6, arriving in Chicago O'Hare International.Price includes taxes and charges.From $407, select.

Boise.$409 per passenger.Departing Sat, May 23, returning Fri, May 29.Round-trip flight with United.Outbound direct flight with United departing from Chicago O'Hare International on Sat, May 23, arriving in Boise.Inbound direct flight with United departing from Boise on Fri, May 29, arriving in Chicago O'Hare International.Price includes taxes and charges.From $409, 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 October.

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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 $251

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Chicago to Boise: Flight information

The things to know before you go.

Cheapest flight found	$251
Cheapest month to fly	July
Average flight time	4 hrs, 1 min
Most popular airline	American Airlines
Average flights per week	63

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

How much are round-trip flights from Chicago O'Hare International to Boise?

The best price we found for a round-trip flight from Chicago O'Hare International to Boise is $251. 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.

How long does it take to fly from Chicago O'Hare International to Boise?

4 hours and 1 minute is the average flight time from Chicago O'Hare International to Boise.

Which airlines fly direct from Chicago O'Hare International to Boise?

American Airlines, United and Envoy Air fly direct from Chicago O'Hare International to Boise.

How many flights are there a week from Chicago O'Hare International to Boise?

There are 63 flights per week flying from Chicago O'Hare International to Boise, as of May 2026.

When is the cheapest time to fly from Chicago O'Hare International to Boise?

The cheapest month to fly from Chicago O'Hare International to Boise is usually July.

Which upcoming date is cheapest to fly from Chicago O'Hare International Airport to Boise Airport on?

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 Wednesday, July 22, 2026.

Can I get a direct flight from Chicago O'Hare International Airport to Boise Airport?

Yes – the average flight time is 4 hours and 1 minute.

How can I find the best flight deal to Boise?

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.

When is the best time to book flights to Boise?

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.

Which is the cheapest airline to fly with from Chicago O'Hare International Airport to Boise?

Currently, Frontier Airlines and American Airlines offer the cheapest flight tickets to Boise.

Flying from O'Hare International Airport (ORD) to Boise Air Terminal (Gowen Field) Airport (BOI): what you need to know

Leave enough time to catch your ORD to BOI flight. As a general rule, arrive two hours before international departures and an hour ahead for domestic flights.
Be prepared for bigger queues in popular months like August. Arriving up to four hours ahead of an international flight and two hours for domestic departures will help ensure a smooth travel experience.
United Airlines offers direct flights from O'Hare International Airport to Boise Air Terminal (Gowen Field) Airport. Book with this popular airline, then get ready to see the sights in Boise — and maybe even more of United States if you have time.
The majority of travelers choose to travel with United Airlines on this route.
With 72.03% of services landing as planned, United Airlines is the most punctual carrier offering ORD to BOI flights.
If you want to add a stop to your trip, just uncheck 'Direct flights only' when searching for your ticket from O'Hare International Airport to Boise Air Terminal (Gowen Field) Airport. Here are the top stopovers between ORD and BOI:
- Salt Lake City International Airport
- Denver International Airport
- Minneapolis-St. Paul International Airport

How to find the cheapest flights from O'Hare International Airport (ORD) to Boise Air Terminal (Gowen Field) Airport (BOI)

$111 is the best price for a one-way O'Hare International Airport to Boise Air Terminal (Gowen Field) Airport flight. Return flights start from $251. These fares may change based on demand.
To get your hands on cheap tickets from ORD to BOI, book in advance. Airlines generally offer their best fares when flights are first released.
The 'Whole month' tool shows you the cheapest flights from O'Hare International Airport to Boise Air Terminal (Gowen Field) Airport across each month. It's a great way to find a bargain if your dates aren't set in stone.
Save time searching for cheap flights from ORD to BOI by setting up a Price Alert. You'll receive an email or notification on the app when a new discounted fare appears.
Tailor your trip using filters. Select your preferred departure and arrival times, total journey duration and airlines. You can also sort the results by 'Best,' 'Fastest' or 'Cheapest' flights from O'Hare International Airport to Boise Air Terminal (Gowen Field) Airport.

Handy information about O'Hare International Airport (ORD)

ORD is located at 10000 West O'Hare.
When it comes to the on-time performance of O'Hare International Airport, 74.85% of flights complete their journey on time.
O'Hare International Airport is about 40 kilometers from central Chicago. If you're catching a cab, ride-sharing or driving from the center, it'll take 35 minutes or so to get there, depending on the traffic.
The trip when using public transport takes about 55 minutes.
Need a handy hotel close to ORD? If you're catching an early flight from O'Hare International Airport to Boise Air Terminal (Gowen Field) Airport, these accommodation options will put you moments from your departure lounge:

Arriving at Boise Air Terminal (Gowen Field) Airport (BOI)

The last thing you want is a lengthy trip to your hotel if you're landing late on an O'Hare International Airport to Boise Air Terminal (Gowen Field) Airport flight. Book one of these accommodation options near BOI instead:
Travel at your own pace with a Boise Air Terminal (Gowen Field) Airport rental car. Pick up your wheels from Budget, Alamo or Avis and experience more of Boise and beyond.
Reserving your ride from Boise Air Terminal (Gowen Field) Airport about one week in advance gives you the best shot at securing a great deal.

Getting from Boise Air Terminal (Gowen Field) Airport (BOI) to central Boise

BOI is located at 3201 Airport Way.
From Boise Air Terminal (Gowen Field) Airport, Boise is approximately 18 kilometers away. It takes around 20 minutes to reach the center driving.
If you're taking public transport, expect a journey time of roughly 1 hour 35 minutes.

When to fly to Boise Air Terminal (Gowen Field) Airport (BOI)

The quietest month for a flight from O'Hare International Airport to Boise Air Terminal (Gowen Field) Airport is May, while July is the busiest. Pick the best time to visit Boise based on whether you prefer a more fast-paced or easygoing experience.
Lock in your flight from O'Hare International Airport to Boise Air Terminal (Gowen Field) Airport for July if you want to explore Boise during its warmest month. Expect temperatures of between 15ºC (59ºF) and 35ºC (95ºF).
If you want to travel in cooler conditions, search for a cheap ticket from ORD to BOI in January. Temperatures average between -11ºC (12ºF) and 5ºC (41ºF) then.

Explore more of United States

You've visited Boise, now it's time to discover more of United States. Travel around 467 kilometers north to Spokane to tick off its leading sights. From Manito Park to Northwest Museum of Arts & Culture and Spokane Falls, your itinerary will be busy.
Salt Lake City is another standout destination in United States and is around 483 kilometers south-east of Boise. No trip is complete without seeing Temple Square, Utah State Capitol and Red Butte Garden.