Cheap Flights from Chicago O'Hare International to Idaho Falls

Compare Chicago O'Hare International to Idaho Falls flight deals

Find the cheapest month or even day of the year to fly to Idaho Falls

Book the best Idaho Falls fare with no extra fees

Flight deals from Chicago O'Hare International to Idaho Falls

Looking for a cheap last-minute deal or the best return flight from Chicago O'Hare International to Idaho Falls? Find the lowest prices on one-way and return tickets right here.

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

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 Idaho Falls flights are currently cheapest in January.

Direct flights from Chicago O'Hare International to Idaho Falls

Chicago O'Hare International to Idaho Falls: Alternative routes

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

Chicago to Idaho Falls: Flight information

The things to know before you go.
Cheapest flight foundR 2,727
Cheapest month to flyJanuary
Average flight time3 hrs, 34 mins
Most popular airlineSkyWest Airlines
Average flights per week17

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

The best price we found for a return flight from Chicago O'Hare International to Idaho Falls is R 5,963. 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.
3 hours and 34 minutes is the average flight time from Chicago O'Hare International to Idaho Falls.
SkyWest Airlines, American Airlines and United fly direct from Chicago O'Hare International to Idaho Falls.
As of January 2026, there are 17 flights per week flying from Chicago O'Hare International to Idaho Falls.
The cheapest month to fly from Chicago O'Hare International to Idaho Falls is usually January.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Chicago O'Hare International Airport to Idaho Falls Airport on Wednesday, 28 January 2026.
Yes – the average flight time is 3 hours and 34 minutes.
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 Idaho Falls 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 Idaho Falls is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Spirit Airlines offers the cheapest flight tickets to Idaho Falls.

Travelling from O'Hare International Airport (ORD) to Idaho Falls Regional Airport (IDA): what you need to know

  • Your ORD to IDA flight won't wait if you're late, so don't forget to check in on time. Arrive up to one hour in advance for domestic flights and two hours ahead for international travel.

  • Flying during a peak time like August? Major public holidays and other popular seasons can lead to longer queues and delays at security. Play things extra safe and arrive up to four hours ahead of international flights and two hours before a domestic departure.

  • Consider adding a stopover when booking your ticket from O'Hare International Airport to Idaho Falls Regional Airport. Just deselect 'Direct flights only' to break up your trip, or visit a new city along the way. Here are some options between ORD and IDA:

    • Salt Lake City International Airport

    • Denver International Airport

    • Harry Reid Airport (formerly McCarran Airport)

How to find the cheapest flights from O'Hare International Airport (ORD) to Idaho Falls Regional Airport (IDA)

  • The lowest price we've found for a one-way O'Hare International Airport to Idaho Falls Regional Airport flight is R 2,727. A round-trip ticket is currently R 5,963. Depending on the availability when you book, these fares could change.

  • Don't leave things to the last moment. You're more likely to find cheap tickets from ORD to IDA if you book in advance. Airlines often offer some amazing early bird discounts.

  • The 'Whole month' search function shows you the cheapest flights from O'Hare International Airport to Idaho Falls Regional Airport across each month. It's a great way to find a bargain if your travel dates are flexible.

  • Stay on top of deals for cheap flights from ORD to IDA by setting up a Price Alert. You'll receive an email or push notification on the app when a new discounted fare appears.

  • Tailor your trip using filters. Select your ideal arrival and departure times, total journey duration and airlines. You can also sort your results by 'Cheapest,' 'Best' or 'Fastest' flights from O'Hare International Airport to Idaho Falls Regional Airport.

Handy information about O'Hare International Airport (ORD)

  • You'll find ORD at 10000 West O'Hare.

  • When it comes to the on-time performance of O'Hare International Airport, data shows 74.85% of flights arrive within the expected timeframe.

  • To get to O'Hare International Airport from central Chicago, it'll take about 35 minutes if you're travelling by car. Of course, this depends on traffic. It's approximately 40 kilometres from the airport to the city centre.

  • The journey on public transport typically takes 55 minutes.

  • Get your travels off to a hassle-free start by staying near ORD. Whether you're boarding an early flight from O'Hare International Airport to Idaho Falls Regional Airport or just don't like being rushed, these stays are perfect:

Arriving at Idaho Falls Regional Airport (IDA)

  • The last thing you want is a long journey to your hotel if you're getting in late on an O'Hare International Airport to Idaho Falls Regional Airport flight. Check in to one of these accommodation options near IDA instead:

  • Go wherever you want, whenever you want with an Idaho Falls Regional Airport rental car. Book your wheels from Budget, Avis or Alamo and discover more of Idaho Falls and beyond.

  • Reserve your vehicle from Idaho Falls Regional Airport several weeks before your departure date to get the best possible rate. If you're going away during a peak period, it's a smart idea to book even earlier.

Getting from Idaho Falls Regional Airport (IDA) to central Idaho Falls

  • You'll find IDA at 2140 North Skyline.

  • Idaho Falls Regional Airport is approximately 5 kilometres from central Idaho Falls. Driving there takes about 10 minutes.

  • It takes roughly 1 hour if you're travelling on public transport.

When to fly to Idaho Falls Regional Airport (IDA)

  • July is the busiest month for flights from O'Hare International Airport to Idaho Falls Regional Airport. To escape the crowds, visit Idaho Falls in February.

  • The warmest month in Idaho Falls is July, with temperatures ranging between 11ºC (52ºF) and 35ºC (95ºF). Lock in your flights from O'Hare International Airport to Idaho Falls Regional Airport in this month if you like this kind of weather.

  • For cooler conditions, look for a cheap ticket from ORD to IDA in January. Average temperatures are between -15ºC (5ºF) and 1ºC (34ºF) then.

Explore more of United States

  • Idaho Falls has its own special appeal, but there are so many other parts of United States waiting to be explored. Around 306 kilometres south of Idaho Falls, a trip to Salt Lake City will keep you on the move. Start with leading attractions like Temple Square, Utah State Capitol and Red Butte Garden.

  • Boise is another essential stop in United States and is around 338 kilometres west of Idaho Falls. No trip is complete without experiencing Idaho State Capitol Building, Old Idaho Penitentiary and Zoo Boise.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.