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Cheap Flights from Chicago (ORD) to Idaho Falls (IDA)

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      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 Airport to Idaho Falls Airport? If you want to travel next month, return fares start from $446. Find the lowest prices on one-way and return tickets right here.
      Idaho Falls.$446 per passenger.Departing Wed, 14 Oct, returning Sat, 17 Oct.Return flight with United.Outbound indirect flight with United, departs from Chicago O'Hare International on Wed, 14 Oct, arriving in Idaho Falls.Inbound indirect flight with United, departs from Idaho Falls on Sat, 17 Oct, arriving in Chicago O'Hare International.Price includes taxes and charges.From $446, select.
      Idaho Falls.$446 per passenger.Departing Tue, 15 Dec, returning Tue, 29 Dec.Return flight with United.Outbound indirect flight with United, departs from Chicago O'Hare International on Tue, 15 Dec, arriving in Idaho Falls.Inbound indirect flight with United, departs from Idaho Falls on Tue, 29 Dec, arriving in Chicago O'Hare International.Price includes taxes and charges.From $446, select.
      Idaho Falls.$531 per passenger.Departing Thu, 19 Nov, returning Thu, 3 Dec.Return flight with United.Outbound indirect flight with United, departs from Chicago O'Hare International on Thu, 19 Nov, arriving in Idaho Falls.Inbound indirect flight with United, departs from Idaho Falls on Thu, 3 Dec, arriving in Chicago O'Hare International.Price includes taxes and charges.From $531, select.
      Idaho Falls.$531 per passenger.Departing Fri, 13 Nov, returning Fri, 27 Nov.Return flight with United.Outbound indirect flight with United, departs from Chicago O'Hare International on Fri, 13 Nov, arriving in Idaho Falls.Inbound indirect flight with United, departs from Idaho Falls on Fri, 27 Nov, arriving in Chicago O'Hare International.Price includes taxes and charges.From $531, select.
      Idaho Falls.$542 per passenger.Departing Sat, 13 Feb, returning Sat, 20 Feb.Return flight with Delta.Outbound indirect flight with Delta, departs from Chicago O'Hare International on Sat, 13 Feb, arriving in Idaho Falls.Inbound indirect flight with Delta, departs from Idaho Falls on Sat, 20 Feb, arriving in Chicago O'Hare International.Price includes taxes and charges.From $542, select.
      Idaho Falls.$543 per passenger.Departing Sat, 26 Sep, returning Sat, 10 Oct.Return flight with United.Outbound indirect flight with United, departs from Chicago O'Hare International on Sat, 26 Sep, arriving in Idaho Falls.Inbound indirect flight with United, departs from Idaho Falls on Sat, 10 Oct, arriving in Chicago O'Hare International.Price includes taxes and charges.From $543, select.
      Idaho Falls.$555 per passenger.Departing Tue, 8 Dec, returning Wed, 21 Apr.Return flight with Delta.Outbound indirect flight with Delta, departs from Chicago O'Hare International on Tue, 8 Dec, arriving in Idaho Falls.Inbound indirect flight with Delta, departs from Idaho Falls on Wed, 21 Apr, arriving in Chicago O'Hare International.Price includes taxes and charges.From $555, select.
      Idaho Falls.$557 per passenger.Departing Thu, 15 Oct, returning Sun, 8 Nov.Return flight with United.Outbound indirect flight with United, departs from Chicago O'Hare International on Thu, 15 Oct, arriving in Idaho Falls.Inbound indirect flight with United, departs from Idaho Falls on Sun, 8 Nov, arriving in Chicago O'Hare International.Price includes taxes and charges.From $557, select.
      Idaho Falls.$568 per passenger.Departing Sat, 2 Jan, returning Sat, 16 Jan.Return flight with United.Outbound indirect flight with United, departs from Chicago O'Hare International on Sat, 2 Jan, arriving in Idaho Falls.Inbound indirect flight with United, departs from Idaho Falls on Sat, 16 Jan, arriving in Chicago O'Hare International.Price includes taxes and charges.From $568, select.
      Idaho Falls.$614 per passenger.Departing Mon, 12 Apr, returning Wed, 21 Apr.Return flight with United.Outbound indirect flight with United, departs from Chicago O'Hare International on Mon, 12 Apr, arriving in Idaho Falls.Inbound indirect flight with United, departs from Idaho Falls on Wed, 21 Apr, arriving in Chicago O'Hare International.Price includes taxes and charges.From $614, select.
      Idaho Falls.$618 per passenger.Departing Tue, 29 Dec, returning Tue, 12 Jan.Return flight with United.Outbound indirect flight with United, departs from Chicago O'Hare International on Tue, 29 Dec, arriving in Idaho Falls.Inbound indirect flight with United, departs from Idaho Falls on Tue, 12 Jan, arriving in Chicago O'Hare International.Price includes taxes and charges.From $618, select.
      Idaho Falls.$636 per passenger.Departing Fri, 25 Sep, returning Tue, 29 Sep.Return flight with United.Outbound indirect flight with United, departs from Chicago O'Hare International on Fri, 25 Sep, arriving in Idaho Falls.Inbound indirect flight with United, departs from Idaho Falls on Tue, 29 Sep, arriving in Chicago O'Hare International.Price includes taxes and charges.From $636, select.
      Idaho Falls.$703 per passenger.Departing Tue, 27 Jul, returning Mon, 2 Aug.Return flight with United.Outbound indirect flight with United, departs from Chicago O'Hare International on Tue, 27 Jul, arriving in Idaho Falls.Inbound indirect flight with United, departs from Idaho Falls on Mon, 2 Aug, arriving in Chicago O'Hare International.Price includes taxes and charges.From $703, select.
      Idaho Falls.$814 per passenger.Departing Sun, 20 Jun, returning Tue, 29 Jun.Return flight with United.Outbound indirect flight with United, departs from Chicago O'Hare International on Sun, 20 Jun, arriving in Idaho Falls.Inbound indirect flight with United, departs from Idaho Falls on Tue, 29 Jun, arriving in Chicago O'Hare International.Price includes taxes and charges.From $814, select.
      Idaho Falls.$821 per passenger.Departing Sat, 3 Jul, returning Sat, 10 Jul.Return flight with United.Outbound indirect flight with United, departs from Chicago O'Hare International on Sat, 3 Jul, arriving in Idaho Falls.Inbound indirect flight with United, departs from Idaho Falls on Sat, 10 Jul, arriving in Chicago O'Hare International.Price includes taxes and charges.From $821, select.
      Idaho Falls.$1,134 per passenger.Departing Mon, 2 Aug, returning Mon, 9 Aug.Return flight with United.Outbound indirect flight with United, departs from Chicago O'Hare International on Mon, 2 Aug, arriving in Idaho Falls.Inbound indirect flight with United, departs from Idaho Falls on Mon, 9 Aug, arriving in Chicago O'Hare International.Price includes taxes and charges.From $1,134, select.
      How did we find these deals? The deals you see here are the lowest prices for flight tickets from Chicago O'Hare International to Idaho Falls found in the last 4 days, and are subject to change and availability.

      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 October.
      Sep
      from $636
      Oct
      from $446
      Nov
      from $531
      Dec
      from $446
      Jan
      from $568
      Feb
      from $542
      Mar
      Find prices
      Apr
      from $614
      May
      Find prices
      Jun
      from $814
      Jul
      from $821
      Aug
      from $1,134

      Direct flights from Chicago O'Hare International to Idaho Falls

      American Airlines
      SkyWest Airlines
      United

      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.

      Idaho Falls

      4km from central Idaho Falls
      ClosestCheapest
      from $446
      Search flights

      Pocatello

      79km from central Idaho Falls
      from $1,089
      Search flights

      Chicago to Idaho Falls: Flight information

      The things to know before you go.
      Cheapest flight found$446
      Cheapest month to flyDecember
      Average flight time3 hrs, 43 mins
      Most popular airlineSkyWest Airlines
      Average flights per week16

      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 $446. 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 43 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 September 2026, there are 16 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 December.
      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 Tuesday, 15 December 2026.
      Yes – the average flight time is 3 hours and 43 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, United offers the cheapest flight tickets to Idaho Falls.

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

      • Around 3 hours 35 minutes is how long you can expect to be travelling on a direct flight from Chicago O'Hare International Airport to Idaho Falls Airport.

      • Every week, there are three Chicago O'Hare International Airport to Idaho Falls Airport flights.

      • Leave enough time to make your ORD to IDA flight. A good rule of thumb is to arrive two hours before international departures and an hour ahead for domestic flights.

      • Be prepared for bigger queues during popular months such as July. Arriving up to four hours ahead of an international flight and two hours for domestic departures will help ensure a smooth travel experience.

      • American Airlines is your ticket to exploring Idaho Falls (and maybe even some other exciting corners of the United States!). Check out the direct flights from Chicago O'Hare International Airport to Idaho Falls Airport offered by this popular carrier.

      • Most travellers choose to fly with American Airlines on this route.

      • American Airlines is the most punctual carrier offering ORD to IDA flights.

      • We make it easy to book a flight with a stopover. To see your options for tickets from Chicago O'Hare International Airport to Idaho Falls Airport, deselect 'Direct flights only.' Then, choose a flight that has a stop long enough to explore your chosen city. Popular stopovers between ORD and IDA include:

        • Denver International Airport

        • Harry Reid International Airport

        • Salt Lake City Airport

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

      • ORD is located at 10000 West O'Hare.

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

      • Central Chicago to Chicago O'Hare International Airport is around 27 kilometres. Depending on traffic, it'll take you about 30 minutes to get there if you're catching a taxi, ride-sharing or driving.

      • The trip when using public transport usually takes 45 minutes.

      • Booked an early flight from Chicago O'Hare International Airport to Idaho Falls Airport? Avoid the hassle of rushing to the airport (and sneak in some extra precious sleep) by picking one of these stays close to ORD:

      Arriving at Idaho Falls Airport (IDA)

      • The last thing you need is a long trip to your hotel if you're getting in late on a Chicago O'Hare International Airport to Idaho Falls Airport flight. Book one of these accommodation options near IDA instead:

      • Grab a Idaho Falls Airport rental car and discover Idaho Falls and beyond with your own wheels. Budget, Avis and Alamo are top providers you can book with here.

      • To lock in the best rate, reserve your ride from Idaho Falls Airport several weeks in advance. Prices typically go up closer to your travel date.

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

      • The address for IDA is 2140 North Skyline.

      • From Idaho Falls Airport, Idaho Falls is approximately 8 kilometres away. It takes around 10 minutes to reach the centre driving.

      • It takes roughly 30 minutes to get there by public transport.

      When to fly to Idaho Falls Airport (IDA)

      • June is the most popular month for flights from Chicago O'Hare International Airport to Idaho Falls Airport. To steer clear of the crowds, visit Idaho Falls in March.

      • Book your flight from Chicago O'Hare International Airport to Idaho Falls Airport for July if you'd like to visit Idaho Falls during its warmest month. Expect temperatures of between 9ºC (48ºF) and 35ºC (95ºF).

      • January sees average temperatures of between -15ºC (5ºF) and 1ºC (34ºF). Look for cheap tickets from ORD to IDA sometime around then if you'd rather travel in cooler conditions.

      Explore more of the United States

      • You've visited Idaho Falls, now it's time to explore more of the United States. Travel about 306 kilometres south to Salt Lake City to check off its top sights. From Salt Lake Utah Temple to Temple Square and Salt Lake City Tabernacle, your itinerary will be busy.

      • Boise is another essential stop in the United States and is around 338 kilometres west of Idaho Falls. No journey is complete without visiting Cathedral Of The Rockies, Boise Depot and St. John's Cathedral.

      Plan smart, explore more

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