£109 Cheap Flights from Chicago (ORD) to Boise (BOI)

View £109 flight on Tue, 2 Jun 2026Opens in a new window

Popular airlines from Chicago O'Hare International Airport (ORD) to Boise Airport (BOI)

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Cheap Flights from Chicago (ORD) to Boise (BOI)

Prices were available within the past 7 days and start at £109 for one-way flights and £246 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Fri, 9 Oct - Fri, 16 Oct
ORD
Chicago
BOI
Boise
£246 Return, found 6 days ago
£246
Return
found 6 days ago
Select Alaska Airlines flight, departing Fri, 9 Oct from Chicago to Boise, returning Fri, 16 Oct, priced at £246 found 6 days ago
Alaska Airlines
Tue, 21 Jul - Sat, 15 Aug
ORD
Chicago
BOI
Boise
£247 Return, found 5 days ago
£247
Return
found 5 days ago
Select Alaska Airlines flight, departing Tue, 21 Jul from Chicago to Boise, returning Sat, 15 Aug, priced at £247 found 5 days ago
Alaska Airlines
Fri, 9 Oct - Fri, 16 Oct
ORD
Chicago
BOI
Boise
£270 Return, found 6 days ago
£270
Return
found 6 days ago
Select Alaska Airlines flight, departing Fri, 9 Oct from Chicago to Boise, returning Fri, 16 Oct, priced at £270 found 6 days ago
Alaska Airlines
Sat, 30 May - Sat, 6 Jun
ORD
Chicago
BOI
Boise
£271 Return, found 5 days ago
£271
Return
found 5 days ago
Select Alaska Airlines flight, departing Sat, 30 May from Chicago to Boise, returning Sat, 6 Jun, priced at £271 found 5 days ago
Alaska Airlines
Fri, 9 Oct - Fri, 16 Oct
ORD
Chicago
BOI
Boise
£284 Return, found 6 days ago
£284
Return
found 6 days ago
Select Alaska Airlines flight, departing Fri, 9 Oct from Chicago to Boise, returning Fri, 16 Oct, priced at £284 found 6 days ago
Alaska Airlines
Tue, 21 Jul - Sat, 15 Aug
ORD
Chicago
BOI
Boise
£285 Return, found 5 days ago
£285
Return
found 5 days ago
Select Alaska Airlines flight, departing Tue, 21 Jul from Chicago to Boise, returning Sat, 15 Aug, priced at £285 found 5 days ago
Alaska Airlines
Tue, 21 Jul - Sat, 15 Aug
ORD
Chicago
BOI
Boise
£286 Return, found 5 days ago
£286
Return
found 5 days ago
Select Alaska Airlines flight, departing Tue, 21 Jul from Chicago to Boise, returning Sat, 15 Aug, priced at £286 found 5 days ago
Alaska Airlines
Mon, 11 May - Thu, 14 May
ORD
Chicago
BOI
Boise
£293 Return, found 3 days ago
£293
Return
found 3 days ago
Select Alaska Airlines flight, departing Mon, 11 May from Chicago to Boise, returning Thu, 14 May, priced at £293 found 3 days ago
Alaska Airlines
Mon, 11 May - Thu, 14 May
ORD
Chicago
BOI
Boise
£294 Return, found 3 days ago
£294
Return
found 3 days ago
Select Alaska Airlines flight, departing Mon, 11 May from Chicago to Boise, returning Thu, 14 May, priced at £294 found 3 days ago
Alaska Airlines
Sat, 30 May - Sat, 6 Jun
ORD
Chicago
BOI
Boise
£307 Return, found 5 days ago
£307
Return
found 5 days ago
Select Alaska Airlines flight, departing Sat, 30 May from Chicago to Boise, returning Sat, 6 Jun, priced at £307 found 5 days ago

Frequently asked questions

How much is a flight from ORD to BOI?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price available for a round-trip journey between O'Hare Airport and Boise Airport (BOI) was £246. Cheap fares don't stick around for long, so make sure you book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from O'Hare Airport to Boise Airport (BOI)?
Each airline has its own set of terms and conditions. If you decide to cancel your trip, head to our Customer Service Portal.
How do I find cheap flights from ORD to Boise Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for O'Hare Intl. Airport (ORD) to Boise Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from O'Hare Airport to Boise Airport?
The flight distance from Chicago to Boise is 2,300 kilometres. Pack yourself a drink, some snacks and a laptop filled with movies. Keep yourself busy in the air and the hours will zip by.
Which airlines fly direct from ORD to BOI?
With 60 flights a month operating from O'Hare Intl. Airport (ORD) to Boise Airport (BOI), United Airlines (UA) is a great choice. Another airline operating on this route is Alaska Airlines (AS). You'll have 13 flights each month to take your pick of.
Are O'Hare Airport to Boise Airport flight tickets cheaper when they're purchased at the last minute?
Airline tickets from O'Hare Intl. Airport (ORD) to Boise Airport are available up to 12 months before departure on Expedia. And although you may pick up great last-minute deal, it's never a sure thing. Also, booking your flights in advance means you'll have more choices — and you can avoid getting caught in the dreaded middle seat! We're always updating our fares to bring you the best bargains, so keep checking in for all the latest specials.

Frequently asked questions

How much does a flight from Chicago, IL (ORD-O'Hare Intl.) to Boise, ID (BOI) cost?
One-way flights typically cost between £320 and £1,220 and return flights often range between £320 and £1,220. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Anaa (AAA) to Toronto, ON (YYZ-Pearson Intl.) ticket fares go up or down.
What is the cheapest month to fly from Chicago, IL (ORD-O'Hare Intl.) to Boise, ID (BOI)?
September is typically the cheapest month to fly from Chicago, IL (ORD-O'Hare Intl.) to Boise, ID (BOI), with average return fares of approximately £431. This is about 18% lower than the average price throughout the year. September often sees lower prices as the summer travel rush ends and before the holiday season begins, leading to reduced demand. Other cheap months to fly from Chicago, IL (ORD-O'Hare Intl.) to Boise, ID (BOI) include April and October.
Which airlines fly direct from Chicago, IL (ORD-O'Hare Intl.) to Boise, ID (BOI)?
Enter ORD to BOI and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Chicago, IL (ORD-O'Hare Intl.) to Boise, ID (BOI)?
To find a cheap flight from Chicago, IL (ORD-O'Hare Intl.) to Boise, ID (BOI), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Chicago, IL (ORD-O'Hare Intl.) to Boise, ID (BOI)?
The best airline to fly with from Chicago, IL (ORD-O'Hare Intl.) (ORD) to Boise, ID (BOI) (BOI) will differ from traveller to traveller. If you like to fly early, UA offers early morning flights. If price is the most important factor, UA typically offers the lowest fares. AS offers the most daily flights from Chicago, IL (ORD-O'Hare Intl.) (ORD) to Boise, ID (BOI) (BOI), which is brilliant if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Chicago, IL (ORD-O'Hare Intl.) to Boise, ID (BOI)?
Based on booking data from the past year, the cheapest months to fly from Chicago, IL (ORD-O'Hare Intl.) (ORD) to Boise, ID (BOI) (BOI) are typically September and April, with average prices around £431 for a return flight. While November is the most popular month for this route, offering plenty of flight options, it's not the cheapest. If you're looking for the best value, aiming for September or April will help you find more budget-friendly fares.
How many flights per day from Chicago, IL (ORD-O'Hare Intl.) to Boise, ID (BOI)?
When flying from Chicago, IL (ORD-O'Hare Intl.) to Boise, ID (BOI), you'll find approximately 4 nonstop flights per day. For even more choice, look at flights that include layovers, as there are around 80 connecting flights per day. Some common connection points include Seattle - Tacoma Intl. (SEA), Denver Intl. (DEN), and Portland Intl. (PDX).
What is the earliest flight from Chicago, IL (ORD-O'Hare Intl.) to Boise, ID (BOI)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from ORD to BOI. To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Chicago, IL (ORD-O'Hare Intl.) to Boise, ID (BOI)?
You'll typically find the most flights from Chicago, IL (ORD-O'Hare Intl.) (ORD) to Boise, ID (BOI) (BOI) on a Friday, with around 51 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include United Airlines, American Airlines, and Delta Air Lines. Fridays offer notably more flight options compared to other days of the week, making it a good day to consider if you need flexibility.
What are the most popular departure times for flights from Chicago, IL (ORD-O'Hare Intl.) to Boise, ID (BOI)?
The most popular departure times for flights from Chicago, IL (ORD-O'Hare Intl.) to Boise, ID (BOI) are in the early morning, from 6am to 9am. About 30% of passengers prefer this time. Many major carriers, including Delta Air Lines, Alaska Airlines and United Airlines, offer flights during this window. This timing works well because it allows you to get an early start on your travel day and arrive in Boise with plenty of time.
How long does it take to fly from Chicago, IL (ORD-O'Hare Intl.) to Boise, ID (BOI)?
Direct flights from ORD to BOI usually take about 4 hours 20 minutes, traveling roughly 1,433 miles. If you opt for a connecting flight, expect to add around 4 hours 10 minutes to your journey. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Chicago, IL (ORD-O'Hare Intl.) to Boise, ID (BOI)?
Select the "Business class" and "First class" filters when looking for ORD to BOI flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Chicago, IL (ORD-O'Hare Intl.) to Boise, ID (BOI) flight with Expedia?
It's easy to earn miles on a Chicago, IL (ORD-O'Hare Intl.) to Boise, ID (BOI) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
Is it cheaper to buy a plane ticket from Chicago, IL (ORD-O'Hare Intl.) to Boise, ID (BOI) at the last minute?
Typically, booking a last minute flight from Chicago, IL (ORD-O'Hare Intl.) to Boise, ID (BOI) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Chicago, IL (ORD-O'Hare Intl.) to Boise, ID (BOI) flight and hotel package?
Securing a Chicago, IL (ORD-O'Hare Intl.) to Boise, ID (BOI) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Chicago, IL (ORD-O'Hare Intl.) to Boise, ID (BOI)?
If you booked your Chicago, IL (ORD-O'Hare Intl.) to Boise, ID (BOI) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
O'Hare Intl.
Destination airport
Boise
Return price
£246
Distance
2293 km
Average flight time
3 hours 32 mins

Book with confidence

Compare flights from Chicago to Boise easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Chicago to Boise. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Boise in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from O'Hare Intl. to Boise.  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from O'Hare Intl. (ORD) to Boise (BOI)

The easiest way to view the best deals on flights from Chicago to Boise today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from O'Hare Intl. to Boise start at just £246 and range up to £307.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Chicago and Boise
  • booking your flight during October, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Chicago to Boise flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from O'Hare Intl. to Boise for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Chicago to Boise easily and book with confidence

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