O'Hare Intl

$87+ Cheap flights from Idaho to O'Hare Intl (ORD)

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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — ORD
Jan 17 — Jan 241
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Cheap flight deals from Idaho to O'Hare Intl

Cheapest flights from Idaho to O'Hare Intl
Explore the most affordable flight options available from Idaho to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This Expedia deal was found by Cheapflights users on 12/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3012:02 pmGEG - ORD
1 stop10h 10mMultiple Airlines
Sat 4/186:50 pmORD - GEG
1 stop7h 23mMultiple Airlines
Deal found 12/16$272
This United Airlines deal was found by Cheapflights users on 12/15. 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.
Tue 12/3012:20 pmBOI - ORD
Nonstop3h 44mUnited Airlines
Tue 1/69:15 amORD - BOI
Nonstop4h 24mUnited Airlines
Deal found 12/15$279
This Delta deal was found by Cheapflights users on 12/16. 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.
Wed 12/315:00 amGEG - ORD
1 stop6h 20mDelta
Sat 4/185:20 pmORD - GEG
1 stop7h 44mDelta
Deal found 12/16$290
This Delta deal was found by Cheapflights users on 12/16. 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.
Wed 12/315:00 amGEG - ORD
1 stop6h 20mDelta
Tue 4/213:50 pmORD - GEG
2 stops9h 45mDelta
Deal found 12/16$295
This Delta deal was found by Cheapflights users on 12/16. 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.
Wed 12/315:00 amGEG - ORD
1 stop6h 20mDelta
Sun 4/196:59 pmORD - GEG
1 stop6h 36mDelta
Deal found 12/16$307
This Frontier deal was found by Cheapflights users on 12/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3012:02 pmGEG - ORD
1 stop10h 10mFrontier
Sat 1/37:00 amORD - GEG
1 stop6h 07mFrontier
Deal found 12/16$308
This United Airlines deal was found by Cheapflights users on 12/15. 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.
Tue 12/3012:20 pmBOI - ORD
Nonstop3h 44mUnited Airlines
Sat 1/37:42 pmORD - BOI
Nonstop4h 17mUnited Airlines
Deal found 12/15$309
This Delta deal was found by Cheapflights users on 12/16. 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.
Wed 12/315:00 amGEG - ORD
1 stop6h 20mDelta
Fri 4/175:20 pmORD - GEG
2 stops8h 15mDelta
Deal found 12/16$315
This Frontier deal was found by Cheapflights users on 12/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2112:38 pmBOI - ORD
1 stop10h 34mFrontier
Thu 1/17:00 amORD - BOI
1 stop5h 43mFrontier
Deal found 12/16$318
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Wed 12/314:00 pmGEG - ORD
1 stop5h 59mUnited Airlines
Wed 4/154:35 pmORD - GEG
Nonstop4h 16mUnited Airlines
Deal found 12/16$335
This Delta deal was found by Cheapflights users on 12/16. 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.
Mon 12/2910:04 amGEG - ORD
1 stop5h 56mDelta
Tue 4/216:00 pmORD - GEG
1 stop8h 19mDelta
Deal found 12/16$337
This Frontier deal was found by Cheapflights users on 12/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2112:38 pmBOI - ORD
1 stop10h 34mFrontier
Thu 12/257:00 amORD - BOI
1 stop5h 43mFrontier
Deal found 12/16$338

Find flight deals from Idaho to O'Hare Intl

Keep the following information in mind while searching for Idaho to O'Hare Intl flight deals. Data was last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$164
(Kiwi.com)

One-way from

$87
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$438

Good round-trip deal

$412 or less

Good one-way deal

$259 or less
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Chicago (CHI) flight deals.
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Chicago (CHI) flights.
From Idaho to Chicago O'Hare Intl
One-way flight from Idaho to Chicago O'Hare Intl
Highest demand for flights based on searches. 7% potential increase in price ($31 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Average for round-trip flights in December 2025
Price to beat on a round-trip flight from Idaho to Chicago O'Hare Intl.
Price to beat on a one-way flight from Idaho to Chicago O'Hare Intl.

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho to O'Hare Intl 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 December 18, 2025.
Use the filters below to find and compare flights from Idaho to Chicago O'Hare Intl Airport that are best for you.

Fly from

Idaho

Fly to

O'Hare Intl

Route

Depart

Return

Price

SpokaneChicago

GEG - ORD

GEGORD

Spokane

Thu 1/15

11:22 am-9:24 pm

1 stop8h 02m

Chicago O'Hare Intl

Wed 1/21

6:06 pm-11:04 pm

1 stop6h 58m

$198

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Mon 1/12

1:55 pm-11:50 pm

1 stop8h 55m

Chicago O'Hare Intl

Thu 1/15

9:00 am-11:42 pm

1 stop15h 42m

$228

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Tue 1/20

7:55 pm-2:29 pm

1 stop17h 34m

Chicago O'Hare Intl

Sat 1/24

3:44 pm-11:42 pm

1 stop8h 58m

$228

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Sun 1/11

7:45 am-11:37 pm

1 stop14h 52m

Chicago O'Hare Intl

Wed 1/14

6:06 pm-11:59 pm

1 stop6h 53m

$228

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Wed 1/14

1:55 pm-11:50 pm

1 stop8h 55m

Chicago O'Hare Intl

Wed 1/21

9:00 am-11:42 pm

1 stop15h 42m

$228

BoiseChicago

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Sun 1/11

7:45 am-11:37 pm

1 stop14h 52m

Chicago O'Hare Intl

Thu 1/15

8:00 am-3:10 pm

1 stop8h 10m

$228

SpokaneChicago

GEG - ORD

GEGORD

Spokane

Sat 2/7

1:38 pm-11:50 pm

1 stop8h 12m

Chicago O'Hare Intl

Sun 2/8

8:00 am-12:44 pm

1 stop6h 44m

$231

SpokaneChicago

GEG - ORD

GEGORD

Spokane

Sun 1/25

6:48 am-11:37 pm

1 stop14h 49m

Chicago O'Hare Intl

Sat 1/31

8:00 am-12:44 pm

1 stop6h 44m

$231

SpokaneChicago

GEG - ORD

GEGORD

Spokane

Tue 1/20

9:05 am-11:50 pm

1 stop12h 45m

Chicago O'Hare Intl

Thu 1/29

6:06 pm-11:04 pm

1 stop6h 58m

$231

SpokaneChicago

GEG - ORD

GEGORD

Spokane

Tue 1/13

5:00 am-1:10 pm

1 stop6h 10m

Chicago O'Hare Intl

Mon 1/26

8:00 am-12:44 pm

1 stop6h 44m

$239

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 60 results
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Best time to book a flight from Idaho to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Idaho 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 Idaho to Chicago O'Hare Intl Airport

What is the cheapest month to book a flight from Idaho to Chicago O'Hare Intl Airport?

Currently, May is the cheapest month in which you can book a flight from Idaho to Chicago O'Hare Intl Airport (average of $87). Flying from Idaho to Chicago O'Hare Intl Airport in November is currently the most expensive (average of $288). 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 ID to ORD?

Find hourly flight availability from Idaho to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

It’s typically best to fly out from Idaho to Chicago O'Hare Intl Airport at noon. Doing so could potentially save you 27% on the flight price compared to flying in the morning, which is usually more expensive.

Weekly flight availability from Idaho to Chicago O'Hare Intl Airport

Explore weekly flight availability from Idaho to O'Hare Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated December 18, 2025.

The most flights from USID to ORD are scheduled on a Thursday (8 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (6 on average).

Related info for your journey

Find useful and relevant information for your journey from Idaho to O'Hare Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from Idaho to Chicago O'Hare Intl Airport?

    A quick flight from Idaho to Chicago O'Hare Intl Airport can take about 3h 33m. Alaska Airlines provides one of the quickest options available for as low as $248. Idaho and Chicago O'Hare Intl Airport are separated by a distance of 1159 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Idaho to Chicago O'Hare Intl Airport one-way?

    For one-way options, check prices for Alaska Airlines. According to our data, you can fly for as low as $87. Users have also found prices from $87 and $117 on Delta and American Airlines, respectively.

  • What are the most popular routes from Idaho to Chicago O'Hare Intl Airport?

  • What are the most reliable airlines from Idaho to Chicago O'Hare Intl Airport?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Idaho to Chicago O'Hare Intl Airport on time: United Airlines (86%), Air Canada (81%), Lufthansa (80%).

  • What are the cheapest flights from Idaho to Chicago O'Hare Intl Airport?

    While on average a flight from Idaho to Chicago O'Hare Intl Airport is generally $825, our data shows the cheapest flight currently is $154. When looking at the most popular route, (Spokane - Chicago O'Hare Intl), you can expect to pay $222 for that flight.

  • Can I find deals for flights from Idaho to O'Hare Intl that include hotel bookings?

    Yes. In addition to deals on Idaho to O'Hare Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Idaho to O'Hare Intl?

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

  • Can I find deals for business class flights from Idaho to O'Hare Intl?

    Yes. Cheapflights offers flight deals from Idaho to O'Hare Intl 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 Idaho to Chicago O'Hare Intl Airport?

    Currently, May is the cheapest month in which you can book a flight from Idaho to Chicago O'Hare Intl Airport (average of $87). Flying from Idaho to Chicago O'Hare Intl Airport in November is currently the most expensive (average of $288). 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.

See more FAQs

Traveling to a place near Chicago O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Schaumburg
Rosemont
Gurnee
Elgin
Naperville
Hoffman Estates
Beloit
Delavan
Oak Brook
Downers Grove
Des Plaines
Elk Grove Village
Skokie
Lake Geneva
Bridgeview
Warrenville
Waukegan
Aurora
Kenosha
Evanston

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Alternative routes for Idaho to O'Hare Intl

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Idaho to O'Hare Intl

Discover the top 5 airlines that operate flights from Idaho to O'Hare Intl. 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$134Average$299FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$224Average$353FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$228Average$473FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$242Average$408FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$255Average$388FlexibilityNo cancel feeOn-time71%

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