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Idaho Falls

$325+ Cheap flights from Chicago (CHI) to Idaho Falls (IDA)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/31. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — IDA
feb. 24 — mar. 31
lun. 2/24
lun. 3/3
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 febrero 19, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$325
(American Airlines)

Popular in

January

Cheapest in

September

Average price

$538
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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Highest demand for flights based on searches. 16% potential increase in price ($109 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($27 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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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 febrero 19, 2025.

This American Airlines deal was found by Cheapflights users on 2/18. 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.
lun. 3/316:00 amORD - IDA
1 stop7h 28mAmerican Airlines
jue. 4/312:58 pmIDA - ORD
1 stop7h 08mAmerican Airlines
Deal found 2/18$325
This Delta deal was found by Cheapflights users on 2/19. 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.
mié. 3/1210:25 amMDW - IDA
2 stops8h 48mDelta
mar. 4/86:55 pmIDA - MDW
2 stops13h 12mDelta
Deal found 2/19$389
This Alaska Airlines deal was found by Cheapflights users on 2/19. 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.
mié. 3/57:45 amORD - IDA
1 stop8h 45mAlaska Airlines
mié. 3/124:07 pmIDA - ORD
1 stop6h 52mAlaska Airlines
Deal found 2/19$410
This United Airlines deal was found by Cheapflights users on 2/18. 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.
mar. 8/55:00 amORD - IDA
1 stop5h 28mUnited Airlines
sáb. 8/94:15 pmIDA - ORD
1 stop5h 19mUnited Airlines
Deal found 2/18$423
This Delta deal was found by Cheapflights users on 2/19. 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.
jue. 3/207:45 amORD - IDA
1 stop5h 33mDelta
lun. 3/246:55 pmIDA - ORD
2 stops17h 29mDelta
Deal found 2/19$645
This Hawaiian Airlines deal was found by Cheapflights users on 2/18. 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.
dom. 2/237:45 amORD - IDA
1 stop8h 45mHawaiian Airlines
vie. 2/284:07 pmIDA - ORD
1 stop6h 52mHawaiian Airlines
Deal found 2/18$789

Find flights from Chicago to Idaho Falls within your budget

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 febrero 19, 2025.

Fly from

Chicago

Fly to

Idaho Falls

Route

Depart

Return

Price

ChicagoIdaho Falls

ORD - IDA

ORDIDA

Chicago O'Hare Intl

lun. 3/31

6:00 am-12:28 pm

1 stop7h 28m

Idaho Falls Fanning Field

jue. 4/3

12:58 pm-9:06 pm

1 stop7h 08m

$325

ChicagoIdaho Falls

MDW - IDA

MDWIDA

Chicago Midway

mié. 3/12

10:25 am-6:13 pm

2 stops8h 48m

Idaho Falls Fanning Field

mar. 4/8

6:55 pm-9:07 am

2 stops13h 12m

$389

ChicagoIdaho Falls

ORD - IDA

ORDIDA

Chicago O'Hare Intl

mié. 3/5

7:45 am-3:30 pm

1 stop8h 45m

Idaho Falls Fanning Field

mié. 3/12

4:07 pm-11:59 pm

1 stop6h 52m

$410

ChicagoIdaho Falls

ORD - IDA

ORDIDA

Chicago O'Hare Intl

jue. 3/20

5:00 am-9:34 am

1 stop5h 34m

Idaho Falls Fanning Field

jue. 3/27

5:48 pm-12:23 am

1 stop5h 35m

$490

ChicagoIdaho Falls

ORD - IDA

ORDIDA

Chicago O'Hare Intl

jue. 3/20

7:45 am-12:18 pm

1 stop5h 33m

Idaho Falls Fanning Field

lun. 3/24

6:55 pm-1:24 pm

2 stops17h 29m

$645

ChicagoIdaho Falls

ORD - IDA

ORDIDA

Chicago O'Hare Intl

dom. 2/23

7:45 am-3:30 pm

1 stop8h 45m

Idaho Falls Fanning Field

vie. 2/28

4:07 pm-11:59 pm

1 stop6h 52m

$789

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/18

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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 FlightHub the most. FlightHub 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.

Travel insights for flights from Chicago to Idaho Falls

Get recent, data-driven insights about flights from Chicago to Idaho Falls including ideal travel times, pricing trends, and more.

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 febrero 19, 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 febrero 19, 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta and United 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
9,691 reviews

Boarding

8.2

Food

7.1

Comfort

7.9

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines
8.0
Very good
9,691 reviews
Alaska Airlines
8.0
Very good
9,691 reviews

Boarding

8.2

Food

7.1

Comfort

7.9

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Delta
8.0
Very good
8,236 reviews
Alaska Airlines
8.0
Very good
9,691 reviews

Boarding

8.2

Food

7.1

Comfort

7.9

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

United Airlines
7.4
Good
8,771 reviews
Alaska Airlines
8.0
Very good
9,691 reviews

Boarding

8.2

Food

7.1

Comfort

7.9

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,691 reviews

Boarding

8.2

Food

7.1

Comfort

7.9

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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. 1 airline has 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 American Airlines is currently your cheapest option to Idaho Falls, with prices starting at $325. Additional round-trip tickets that might be worth considering are offered by Delta and Alaska Airlines, with the lowest prices starting at $389 and $410, respectively. These flights start at 39% lower than the current average price 3 months from now.

  • 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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Top airline flying from Chicago to Idaho Falls

Discover the top airline 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 febrero 19, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$363Average$647FlexibilityNo cancel feeOn-time69%
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