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Idaho Falls

$162+ Cheap flights from Chicago (CHI) to Idaho Falls (IDA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/7. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — IDA
may. 6 — may. 131
mar. 5/6
mar. 5/13
1 adult, Economy
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Cheap flight deals from Chicago to Idaho Falls

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Idaho Falls (IDA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated mayo 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$342
(Hawaiian Airlines)

One-way from

$171
(Alaska Airlines)

Popular in

January

Cheapest in

September

Average price

$593

Good round-trip deal

$323 or less
Provider with most accurate pricing for Chicago (CHI)-Idaho Falls Fanning Field flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Idaho Falls Fanning Field flights.
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From Chicago (CHI) to Idaho Falls Fanning Field
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One-way flight from Chicago (CHI) to Idaho Falls Fanning Field
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Highest demand for flights based on searches. 19% potential increase in price ($126 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Price to beat on a round-trip flight from Chicago (CHI) to Idaho Falls Fanning Field.
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Find flight deals from Chicago to Idaho Falls

Cheapest flights from Chicago to Idaho Falls
Explore the most affordable flight options available from Chicago to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on mayo 1, 2025.

This American Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/149:55 amORD - IDA
Nonstop3h 15mAmerican Airlines
lun. 8/2512:46 pmIDA - ORD
Nonstop3h 25mAmerican Airlines
Deal found 4/29$323
This Alaska Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/296:00 amORD - IDA
1 stop10h 40mAlaska Airlines
lun. 6/24:20 pmIDA - ORD
1 stop6h 39mAlaska Airlines
Deal found 4/29$342
This United Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/145:00 amORD - IDA
1 stop5h 44mUnited Airlines
lun. 8/186:03 pmIDA - ORD
1 stop5h 27mUnited Airlines
Deal found 4/29$343
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 6/61:45 pmORD - IDA
2 stops10h 06mDelta
mar. 6/103:04 pmIDA - ORD
1 stop6h 05mDelta
Deal found 4/28$348
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/271:55 pmMDW - IDA
2 stops9h 56mDelta
mar. 6/36:00 amIDA - MDW
2 stops10h 45mDelta
Deal found 4/29$353
This Hawaiian Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/63:44 pmORD - IDA
1 stop7h 52mHawaiian Airlines
jue. 5/86:00 amIDA - ORD
1 stop10h 00mHawaiian Airlines
Deal found 4/29$560

Cheapflights Fare Finder

Customize your flight search to find flights from Chicago to Idaho Falls that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated mayo 1, 2025.
Use the filters below to find and compare flights from Chicago to Idaho Falls that are best for you.

Fly from

Chicago

Fly to

Idaho Falls

Route

Depart

Return

Price

ChicagoIdaho Falls

ORD - IDA

ORDIDA

Chicago O'Hare Intl

jue. 8/14

9:55 am-12:10 pm

Nonstop3h 15m

Idaho Falls Fanning Field

lun. 8/18

12:46 pm-5:11 pm

Nonstop3h 25m

$323

ChicagoIdaho Falls

ORD - IDA

ORDIDA

Chicago O'Hare Intl

jue. 5/29

6:00 am-3:40 pm

1 stop10h 40m

Idaho Falls Fanning Field

lun. 6/2

4:20 pm-11:59 pm

1 stop6h 39m

$342

ChicagoIdaho Falls

ORD - IDA

ORDIDA

Chicago O'Hare Intl

jue. 8/14

5:00 am-9:44 am

1 stop5h 44m

Idaho Falls Fanning Field

lun. 8/18

6:03 pm-12:30 am

1 stop5h 27m

$343

ChicagoIdaho Falls

ORD - IDA

ORDIDA

Chicago O'Hare Intl

vie. 6/6

1:45 pm-10:51 pm

2 stops10h 06m

Idaho Falls Fanning Field

mar. 6/10

3:04 pm-10:09 pm

1 stop6h 05m

$348

ChicagoIdaho Falls

MDW - IDA

MDWIDA

Chicago Midway

mar. 5/27

1:55 pm-10:51 pm

2 stops9h 56m

Idaho Falls Fanning Field

mar. 6/3

6:00 am-5:45 pm

2 stops10h 45m

$353

ChicagoIdaho Falls

ORD - IDA

ORDIDA

Chicago O'Hare Intl

jue. 8/7

9:55 am-12:10 pm

Nonstop3h 15m

$162

ChicagoIdaho Falls

ORD - IDA

ORDIDA

Chicago O'Hare Intl

mié. 5/28

3:17 pm-10:34 pm

1 stop8h 17m

$171

ChicagoIdaho Falls

ORD - IDA

ORDIDA

Chicago O'Hare Intl

vie. 5/30

1:40 pm-6:10 pm

1 stop5h 30m

$172

ChicagoIdaho Falls

ORD - IDA

ORDIDA

Chicago O'Hare Intl

lun. 5/26

5:02 am-9:44 am

1 stop5h 42m

$212

ChicagoIdaho Falls

MDW - IDA

MDWIDA

Chicago Midway

lun. 5/26

9:16 am-6:10 pm

2 stops9h 54m

$375

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Compare providers for flights from Chicago to Idaho Falls

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Chicago to Idaho Falls in May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Chicago-Idaho Falls flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago-Idaho Falls flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago-Idaho Falls flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago-Idaho Falls flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago-Idaho Falls flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Chicago to Idaho Falls

Have a flexible travel schedule? Discover the best time to fly to Idaho Falls from Chicago with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Chicago to Idaho Falls

What is the cheapest month to book a flight from Chicago to Idaho Falls?

Currently, October is the cheapest month in which you can book a flight from Chicago to Idaho Falls (average of $380). Flying from Chicago to Idaho Falls in July is currently the most expensive (average of $628). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CHI to IDA?

Find hourly flight availability from Chicago to Idaho Falls. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated mayo 1, 2025.

It’s typically best to fly out from Chicago to Idaho Falls in the afternoon. Doing so could potentially save you 25% on the flight price compared to flying at noon, which is usually more expensive.

Rainfall in Idaho Falls by month

Plan your trip to Idaho Falls by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Idaho Falls ranges from 0.6 - 2.0 inches per month. May is typically the wettest month, when rainfall can reach 2.0 in. July is typically the driest time to visit Idaho Falls when rainfall is around 0.6 in.

Temperature in Idaho Falls by month

Plan your trip to Idaho Falls by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Idaho Falls, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Idaho Falls

Get insights into the airlines that provide service to Idaho Falls. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Idaho Falls. Reviews last updated mayo 1, 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta and Hawaiian Airlines from Chicago to Idaho Falls. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,968 reviews

Boarding

8.2

Food

7.1

Overall

8.0

Comfort

7.9

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,968 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Boarding

8.2

Food

7.1

Overall

8.0

Comfort

7.9

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,934 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Boarding

8.2

Food

7.1

Overall

8.0

Comfort

7.9

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,406 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Boarding

8.2

Food

7.1

Overall

8.0

Comfort

7.9

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Boarding

8.2

Food

7.1

Overall

8.0

Comfort

7.9

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Boarding

8.2

Food

7.1

Overall

8.0

Comfort

7.9

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from Chicago to Idaho Falls. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Idaho Falls from Chicago?

    For a flight from Chicago to Idaho Falls, you will be flying into Fanning Field. Idaho Falls Fanning Field (IDA) is just 3.8 mi from the center of the city. Fanning Field is the only Idaho Falls airport and it handles 0 inbound flights from Chicago per day. 3 airlines have flights to Idaho Falls Fanning Field from Chicago on a regular basis.

  • What are the cheapest airlines flying from Chicago to Idaho Falls round-trip?

    Flying on Hawaiian Airlines is currently your cheapest option to Idaho Falls, with prices starting at $342. Additional round-trip tickets that might be worth considering are offered by Delta and Alaska Airlines, with the lowest prices starting at $343 and $369, respectively. These flights start at 32% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Chicago to Idaho Falls one-way?

    The cheapest airline one-way is Alaska Airlines, with whom users have recently found tickets for as low as $171. However, be on the lookout for offers from Delta and United Airlines, as they are both options that can get you from Chicago to Idaho Falls for a low price.

  • What are the cheapest flights from Chicago to Idaho Falls?

    While on average a flight from Chicago to Idaho Falls is generally $323, our data shows the cheapest flight currently is $323. When looking at the most popular route, (Chicago O'Hare Intl - Idaho Falls Fanning Field), you can expect to pay $342 for that flight.

  • Can I find deals for flights from Chicago to Idaho Falls that include hotel bookings?

    Yes. In addition to deals on Chicago to Idaho Falls flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chicago to Idaho Falls?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to Idaho Falls.

  • Can I find deals for business class flights from Chicago to Idaho Falls?

    Yes. Cheapflights offers flight deals from Chicago to Idaho Falls by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Chicago to Idaho Falls?

    Currently, October is the cheapest month in which you can book a flight from Chicago to Idaho Falls (average of $380). Flying from Chicago to Idaho Falls in July is currently the most expensive (average of $628). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Alternative routes for Chicago to Idaho Falls

See prices for flight routes from nearby airports that may be better suited for you.
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Bloomington to Boise flights

Top 3 airlines flying from Chicago to Idaho Falls

Discover the top 3 airlines that operate flights from Chicago to Idaho Falls. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated mayo 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$237Average$464FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$314Average$323FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$363Average$620FlexibilityNo cancel feeOn-time69%

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