Cheap flights from Idaho Falls to Chicago

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      SkyWest Airlines
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      Compare Idaho Falls to Chicago flight deals

      Find the cheapest month or even day of the year to fly to Chicago

      Book the best Chicago fare with no extra fees

      Flight deals from Idaho Falls to Chicago

      Looking for a cheap last-minute deal or the best round-trip flight from Idaho Falls Airport to Chicago? If you want to travel next month, round-trip fares start from $401. Find the lowest prices on one-way and round-trip tickets right here.

      Find the cheapest month to fly from Idaho Falls to Chicago

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Idaho Falls to Chicago flights are currently cheapest in October.

      Direct flights from Idaho Falls to Chicago

      American Airlines
      SkyWest Airlines
      United

      Alternative Idaho Falls to Chicago routes

      Looking for the cheapest, fastest or easiest route from Idaho Falls to Chicago? You could fly into the following airports instead.

      Idaho Falls to Chicago: Flight information

      The things to know before you go.
      Cheapest flight found$301
      Cheapest month to flyOctober
      Average flight time3 hrs, 34 mins
      Most popular airlineSkyWest Airlines
      Average flights per week17

      Finding cheap flights from Idaho Falls to Chicago: Frequently asked questions

      There are 3 airports in Chicago: Chicago Midway, Chicago O'Hare International and Chicago Rockford.
      The best price we found for a round-trip flight from Idaho Falls to Chicago is $301. 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 Idaho Falls to Chicago.
      SkyWest Airlines, American Airlines and United fly direct from Idaho Falls to Chicago.
      There are 17 flights per week flying from Idaho Falls to Chicago, as of August 2026.
      The cheapest month to fly from Idaho Falls to Chicago is usually October.
      If you're flying from Idaho Falls Airport, the cheapest airport near Chicago is Chicago O'Hare International – which is 25.5 km away from the center of Chicago. We've found flights to this airport from $301.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Idaho Falls Airport to Chicago on Wednesday, October 14, 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 Chicago 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 Chicago is around 40 days in advance, so don’t leave your flight to the last minute.

      In August, the average temperature is usually around 22°C. July is typically the warmest month in Chicago, when it usually averages around 26°C. You can expect the least rain in January. The coldest month is January, with temperatures averaging -8°C. The rainiest month is August.
      Currently, Delta offers the cheapest flight tickets to Chicago.

      Flying from Idaho Falls Regional Airport (IDA) to Chicago: what you need to know

      • Expect to be traveling for 3 hours 30 minutes. That's the average duration of a direct flight from Idaho Falls Regional Airport to Chicago.

      • The timezone in Chicago is UTC-6. The city is one hour ahead of Idaho Falls, where Idaho Falls Regional Airport is located.

      • The busiest flight route is from Idaho Falls Regional Airport (IDA) to Chicago O'Hare International Airport (ORD). You can choose from three services between these airports each week.

      • Leave plenty of time to get on your IDA to Chicago flight. As a general rule, turn up at least two hours before international departures and an hour ahead for domestic flights.

      • You can expect bigger queues during popular months like July. Arriving up to four hours ahead of an international flight and two hours for domestic departures is a good idea.

      • Direct Idaho Falls Regional Airport to Chicago tickets are available for booking. Chicago O'Hare International Airport (ORD) is where you'll step off the plane.

      • American Airlines is a popular carrier that operates direct flights from Idaho Falls Regional Airport to Chicago.

      • Located around 3 kilometers from the center of Idaho Falls, IDA can be reached in about 10 minutes by car. Traveling on public transport will take roughly 30 minutes.

      • Searching for a hotel close to IDA? If you're boarding an early flight from Idaho Falls Regional Airport to Chicago, these stays will put you moments from check-in:

      • Idaho Falls Regional Airport gets high marks for its on-time performance. 81% of flights that depart IDA reach their destination without delay.

      • You'll find IDA at 2140 North Skyline.

      How to find the cheapest flights from Idaho Falls Regional Airport (IDA) to Chicago

      • $119 is currently the best price for a one-way Idaho Falls Regional Airport to Chicago flight. Return plane tickets start from $301. These prices can change based on demand and availability.

      • Booking ahead of time is often the key to securing a cheap flight from IDA to Chicago. Flight prices rise as demand increases, so the closer you get to departure, the more you'll likely spend on your ticket.

      • The 'Whole month' search tool will show you the cheapest tickets from Idaho Falls Regional Airport to Chicago across every month. It's a good way to find a bargain if your travel dates are flexible.

      • Picking up a cheap flight from IDA to Chicago couldn't be easier with Price Alerts. Simply set up one of these automatic notifications and we'll notify you as soon as a new discount appears.

      • Choose your ideal departure and arrival times, airlines and number of stops with our filters. Then, sort the results for your flight from Idaho Falls Regional Airport to Chicago by 'Cheapest,' 'Best' or 'Fastest.'

      Airports in Chicago

      Chicago O'Hare International Airport (ORD)

      • Chicago O'Hare International Airport (ORD) is around 27 kilometers from the center of Chicago. If you're getting a cab or a ride-share, the drive will take roughly 30 minutes.

      • Traveling to the center by public transport takes about 45 minutes.

      • The last thing you need is a lengthy journey to your hotel if you're arriving on a late flight from Idaho Falls Regional Airport to Chicago. Check in to one of these accommodation options near ORD instead:

      • Booking your vehicle from Chicago O'Hare International Airport about four weeks ahead of your flight from IDA to Chicago can help you lock in the best possible rate.

      • The street address for ORD is 10000 West O'Hare.

      Chicago Midway International Airport (MDW)

      • Chicago Midway International Airport (MDW) is around 16 kilometers from central Chicago. After your flight from Idaho Falls Regional Airport to Chicago, it'll take you around 25 minutes to get to the heart of the city in a cab or ride-share.

      • The trip will take roughly 30 minutes on public transport.

      • Following your IDA to Chicago flight, tuck yourself in at a hotel close to MDW. These are some comfortable accommodation options that'll help you sink into relaxation mode:

      • Score the best price by securing your ride from MDW four weeks ahead of time. You can also expect to have a greater range of vehicles.

      • Chicago Midway International Airport can be found at 5700 South Cicero.

      Chicago Rockford International Airport (RFD)

      • Hop off your flight from Idaho Falls Regional Airport to Chicago and head straight for your hotel or jump right into exploring. Central Chicago is around 145 kilometers from Chicago Rockford International Airport (RFD) and typically takes 1 hour 40 minutes to reach by car.

      • The journey will take roughly 2 hours when traveling by public transport.

      • Enjoy a low-stress, comfortable start to your break by staying at a hotel near RFD after your IDA to Chicago flight. Rest up after a long day of travel or simply give yourself time to get your footing in a new city at:

      • Rental agencies sometimes offer discounts for early bookings, so book your vehicle from RFD a few weeks in advance of your flight from Idaho Falls Regional Airport to Chicago. A little planning can save you money.

      • Chicago Rockford International Airport can be found at 2 Airport Cir.

      Best time to go to Chicago

      • It's time to work out your dates for your flight from Idaho Falls Regional Airport to Chicago. July is the busiest month for a trip to Chicago. If you prefer a quieter vibe, go in January.

      • Lock in a Idaho Falls Regional Airport to Chicago plane ticket with a departure in July to explore the city during its warmest month. You can expect temperatures to range from 16ºC (61ºF) to 28ºC (82ºF).

      • January has average temperatures of between -12ºC (10ºF) and 3ºC (37ºF). Search for a cheap ticket from IDA to Chicago around that time if you'd rather travel in cooler conditions.

      More about Chicago

      Explore more of the United States

      • You've visited Chicago, now it's time to discover other corners of the United States. Journey about 451 kilometers southeast to Columbus to check off its must-visit sights. From Franklin Park Conservatory and Botanical Gardens to Whetstone Park / Park of Roses and Ohio Theater, there's plenty to keep you busy.

      • Around 257 kilometers southeast of Chicago, Indianapolis is another favorite stop in the United States. No visit is complete without checking out Lucas Oil Stadium, Eiteljorg Museum and The Children's Museum of Indianapolis.

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