What are the cheapest airlines to fly from Illinois to Idaho one-way?

One-way options have recently been found by users for as low as $63 on Spirit Airlines. Other airlines that offer cheap prices include Delta from $118 and Sun Country Air from $125 one-way.

Currently, December is the cheapest month in which you can book a flight from Illinois to Idaho (average of $312). Flying from Illinois to Idaho in June is currently the most expensive (average of $440). 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.

How recently were the Illinois to Idaho flight deals updated?

The Illinois to Idaho flight deals you see on this page were last updated on 5/8.

Can I find flights from Illinois to Idaho for under $200 on Cheapflights?

Yes, there are multiple flights from Illinois to Idaho for under $200. The cheapest flight booked recently is on Spirit Airlines for just $120, but on average you can expect to pay $176.

Are there nonstop flights from Illinois to Idaho for under $300 on Cheapflights?

Cheapflights has at least 20 direct flights from Illinois to Idaho under $300. A good price for a nonstop flight from Illinois to Idaho is less than $439.

Are there last-minute flights available from Illinois to Idaho for under $200?

There are currently 20+ open flights from Illinois to Idaho within the next 7 days for less than $200.

What does ORD to BOI mean?

These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Chicago O'Hare Intl Airport to Boise Air Term. Gowen Fld Airport flight would often be abbreviated as a ORD to BOI flight. This flight route has multiple associated airports, so we think it might be helpful to learn the name and codes of them as well. They are Idaho Falls Fanning Field Airport (IDA), Hailey Sun Valley-Friedman Airport (SUN), Lewiston Nez Perce Rgnl Airport (LWS), Pocatello Airport (PIH), Twin Falls Joslin Airport (TWF).

Can I find deals for flights from Illinois to Idaho that include extra baggage allowance?

The amount of baggage you can bring on your Illinois to Idaho flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

Can I find deals on flights from Illinois to Idaho with specific airlines?

Yes, Cheapflights allows you to browse and filter Illinois to Idaho flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

Can I find deals for flights from Illinois to Idaho that include hotel bookings?

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

How can I find direct flights from Illinois to Idaho?

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

Can I find deals for business class flights from Illinois to Idaho?

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

Can I find deals for flights from Illinois to Idaho that allow pets onboard?

Many airlines flying from Illinois to Idaho offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

Can I find deals on last-minute flights from Illinois to Idaho?

Yes, you can often find last-minute deals on Illinois to Idaho flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

Cheap Flights from Illinois (IL) to Idaho (ID) from $63 - Find Tickets & Airfare Deals at Cheapflights.com

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How far in advance should I book a flight from Illinois to Idaho?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 51 days in advance, which can save you up to 110% on flights from Illinois to Idaho compared to booking the week you need them. Waiting 51 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $345. For sooner than that we have options available in the next 3 days from $457.

What is the cheapest month to fly from Illinois to Idaho?

November is one of the best times of the year to fly to Idaho from Illinois. Prices for November average $388 per person but you can even find prices for as low as $121. The most expensive prices can be found in the month of June. Opting for a November flight can save you 23% on your journey compared to booking in June

When is the cheapest time to fly from Illinois to Idaho (IL - ID)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Idaho as you normally would.

Cheap Spirit Airlines flights from Illinois to Idaho

Find some of the cheapest Spirit Airlines flights traveling from Illinois to Idaho. Make sure to double check the flight details before booking.

Wed 6/512:32 pmORD - BOI

1 stop8h 38mSpirit Airlines

Wed 6/124:03 pmBOI - ORD

1 stop13h 21mSpirit Airlines

Deal found 5/7$120

Tue 6/49:36 amORD - BOI

1 stop7h 54mSpirit Airlines

Tue 6/49:15 pmBOI - ORD

1 stop8h 21mSpirit Airlines

Deal found 5/8$136

Wed 6/59:19 amORD - BOI

1 stop11h 51mSpirit Airlines

Wed 6/129:13 pmBOI - ORD

1 stop8h 11mSpirit Airlines

Deal found 5/8$139

Tue 6/410:52 pmORD - BOI

1 stop17h 21mSpirit Airlines

Tue 6/115:39 pmBOI - ORD

1 stop11h 57mSpirit Airlines

Deal found 5/7$150

Tue 6/410:52 pmORD - BOI

1 stop17h 21mSpirit Airlines

Tue 6/115:39 pmBOI - ORD

2 stops16h 53mSpirit Airlines

Deal found 5/7$161

Tue 6/47:00 amORD - BOI

2 stops10h 30mSpirit Airlines

Tue 6/49:15 pmBOI - ORD

1 stop8h 21mSpirit Airlines

Deal found 5/8$163

Wed 6/57:00 amORD - BOI

2 stops14h 10mSpirit Airlines

Wed 6/129:13 pmBOI - ORD

1 stop8h 11mSpirit Airlines

Deal found 5/7$167

Wed 6/57:00 amORD - BOI

2 stops14h 10mSpirit Airlines

Wed 6/124:03 pmBOI - ORD

1 stop13h 21mSpirit Airlines

Deal found 5/8$173

Tue 5/2810:52 pmORD - BOI

1 stop22h 04mSpirit Airlines

Mon 6/39:15 pmBOI - ORD

1 stop8h 25mSpirit Airlines

Deal found 5/7$178

Cheap Delta flights from Illinois to Idaho

Some of the lowest-priced Delta flights we've found at this time heading from Illinois to Idaho. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.

Fri 8/236:59 pmORD - GEG

1 stop6h 41mDelta

Mon 8/268:00 amGEG - ORD

2 stops11h 56mDelta

Deal found 5/6$241

Fri 5/317:30 pmORD - GEG

1 stop6h 24mDelta

Tue 6/49:09 amGEG - ORD

1 stop8h 32mDelta

Deal found 5/7$246

Fri 8/236:59 pmORD - GEG

1 stop6h 41mDelta

Mon 8/268:00 amGEG - ORD

2 stops11h 56mDelta

Deal found 5/7$251

Fri 6/78:35 pmORD - BOI

1 stop5h 22mDelta

Sun 6/161:55 pmBOI - ORD

1 stop9h 03mDelta

Deal found 5/8$258

Tue 6/258:35 pmORD - BOI

1 stop5h 22mDelta

Tue 7/26:01 amBOI - ORD

2 stops11h 28mDelta

Deal found 5/8$263

Thu 6/135:45 pmMDW - BOI

2 stops8h 12mDelta

Mon 6/175:30 amBOI - MDW

2 stops10h 34mDelta

Deal found 5/6$268

Fri 5/177:30 pmORD - GEG

1 stop6h 24mDelta

Mon 5/201:45 pmGEG - ORD

1 stop8h 20mDelta

Deal found 5/7$306

Wed 5/156:00 amORD - GEG

1 stop9h 05mDelta

Sat 5/185:00 amGEG - ORD

2 stops9h 49mDelta

Deal found 5/7$311

Tue 5/141:45 pmORD - GEG

2 stops10h 48mDelta

Mon 5/203:40 pmGEG - ORD

1 stop6h 25mDelta

Deal found 5/6$321

Cheap Illinois to Idaho flights in May & June 2024

Listed are some of the best fares we've found on flights departing from Illinois to Idaho in 2024. Check back in a little while for more flight options.

Wed 5/1511:36 amSTL - BOI

1 stop9h 20mMultiple Airlines

Sun 5/196:15 pmBOI - STL

1 stop19h 59mMultiple Airlines

Deal found 5/7$167

Mon 5/204:05 pmSTL - BOI

1 stop25h 25mSpirit Airlines

Tue 5/219:15 pmBOI - STL

1 stop12h 31mSpirit Airlines

Deal found 5/7$188

Wed 6/261:55 pmSTL - BOI

1 stop7h 15mSpirit Airlines

Tue 7/25:39 pmBOI - STL

1 stop18h 26mSpirit Airlines

Deal found 5/7$217

Wed 6/51:55 pmSTL - BOI

1 stop7h 15mMultiple Airlines

Wed 6/129:13 pmBOI - STL

3 stops18h 02mMultiple Airlines

Deal found 5/7$246

Fri 6/147:19 pmMDW - GEG

1 stop6h 24mDelta

Mon 6/1710:57 pmGEG - MDW

2 stops11h 46mDelta

Deal found 5/8$251

Fri 6/145:45 pmMDW - GEG

2 stops7h 58mDelta

Mon 6/176:00 amGEG - MDW

2 stops9h 04mDelta

Deal found 5/8$256

Sun 6/98:35 pmORD - BOI

1 stop5h 22mDelta

Sat 6/155:30 amBOI - ORD

1 stop5h 14mDelta

Deal found 5/6$258

Wed 6/268:05 pmORD - GEG

1 stop22h 42mSun Country Air

Sun 6/305:00 pmGEG - ORD

1 stop24h 43mSun Country Air

Deal found 5/7$264

Thu 6/135:45 pmMDW - BOI

2 stops8h 12mDelta

Mon 6/175:30 amBOI - MDW

2 stops10h 34mDelta

Deal found 5/6$268

Illinois to Idaho 2024 flight deals

Listed are some of the best fares we've found on flights departing from Illinois to Idaho in 2024. Check back in a little while for more flight options.

Wed 5/1511:36 amSTL - BOI

1 stop9h 20mMultiple Airlines

Sun 5/196:15 pmBOI - STL

1 stop19h 59mMultiple Airlines

Deal found 5/7$167

Mon 5/204:05 pmSTL - BOI

1 stop25h 25mSpirit Airlines

Tue 5/219:15 pmBOI - STL

1 stop12h 31mSpirit Airlines

Deal found 5/7$188

Wed 6/261:55 pmSTL - BOI

1 stop7h 15mSpirit Airlines

Tue 7/25:39 pmBOI - STL

1 stop18h 26mSpirit Airlines

Deal found 5/7$217

Fri 8/236:59 pmORD - GEG

1 stop6h 41mDelta

Mon 8/268:00 amGEG - ORD

2 stops11h 56mDelta

Deal found 5/6$241

Wed 6/51:55 pmSTL - BOI

1 stop7h 15mMultiple Airlines

Wed 6/129:13 pmBOI - STL

3 stops18h 02mMultiple Airlines

Deal found 5/7$246

Fri 5/317:40 pmORD - GEG

1 stop6h 25mDelta

Tue 6/41:45 pmGEG - ORD

1 stop8h 21mDelta

Deal found 5/7$246

Fri 8/236:59 pmORD - GEG

1 stop6h 41mDelta

Tue 9/105:30 amGEG - ORD

2 stops10h 27mDelta

Deal found 5/7$251

Fri 6/147:19 pmMDW - GEG

1 stop6h 24mDelta

Mon 6/1710:57 pmGEG - MDW

2 stops11h 46mDelta

Deal found 5/8$251

Fri 8/28:05 pmORD - BOI

1 stop22h 02mSun Country Air

Wed 8/76:00 pmBOI - ORD

1 stop24h 10mSun Country Air

Deal found 5/7$252

Non-stop flights to Idaho from Illinois

If you're seeking options on non-stop flights from Illinois to Idaho, check out these fares. Users seeking other options on flights from Illinois to Idaho should update the search form at the top of the page.

Fri 8/168:20 pmORD - GEG

Nonstop4h 10mUnited Airlines

Mon 8/1911:59 pmGEG - ORD

Nonstop3h 43mUnited Airlines

Deal found 5/7$267

Wed 6/58:20 pmORD - GEG

Nonstop4h 10mUnited Airlines

Wed 8/76:25 amGEG - ORD

Nonstop3h 40mUnited Airlines

Deal found 5/7$346

Thu 5/308:20 pmORD - GEG

Nonstop4h 10mUnited Airlines

Tue 6/411:59 pmGEG - ORD

Nonstop3h 43mUnited Airlines

Deal found 5/7$364

Fri 8/168:20 pmORD - GEG

Nonstop4h 10mUnited Airlines

Sun 8/1811:59 pmGEG - ORD

Nonstop3h 43mUnited Airlines

Deal found 5/7$374

Fri 5/248:28 pmORD - GEG

Nonstop4h 10mUnited Airlines

Mon 5/2711:59 pmGEG - ORD

Nonstop3h 43mUnited Airlines

Deal found 5/7$380

Sat 6/18:45 amORD - BOI

Nonstop3h 52mUnited Airlines

Sat 6/812:34 pmBOI - ORD

Nonstop3h 31mUnited Airlines

Deal found 5/7$399

Wed 8/148:20 pmORD - GEG

Nonstop4h 10mUnited Airlines

Sun 8/1811:59 pmGEG - ORD

Nonstop3h 43mUnited Airlines

Deal found 5/7$399

Fri 8/237:49 pmORD - GEG

Nonstop4h 11mUnited Airlines

Mon 8/2611:59 pmGEG - ORD

Nonstop3h 43mUnited Airlines

Deal found 5/6$414

Sat 5/258:45 amORD - BOI

Nonstop3h 52mUnited Airlines

Sat 6/112:34 pmBOI - ORD

Nonstop3h 31mUnited Airlines

Deal found 5/7$419

Illinois to Idaho flights leaving soon

Users seeking a last-minute flight from Illinois to Idaho should consider booking one of these fares. Users should be sure to double check the price, date, and time of their last-minute flight.

Wed 5/1511:36 amSTL - BOI

1 stop9h 20mMultiple Airlines

Sun 5/196:15 pmBOI - STL

1 stop19h 59mMultiple Airlines

Deal found 5/7$167

Tue 5/149:36 amORD - BOI

1 stop11h 49mSpirit Airlines

Wed 5/158:46 pmBOI - ORD

1 stop8h 54mSpirit Airlines

Deal found 5/7$203

Mon 5/137:52 pmORD - BOI

1 stop21h 38mSpirit Airlines

Tue 5/149:15 pmBOI - ORD

1 stop8h 15mSpirit Airlines

Deal found 5/7$233

Mon 5/137:52 pmORD - BOI

1 stop25h 33mSpirit Airlines

Wed 5/158:46 pmBOI - ORD

1 stop8h 54mSpirit Airlines

Deal found 5/7$242

Tue 5/149:36 amORD - BOI

1 stop7h 54mSpirit Airlines

Tue 5/149:15 pmBOI - ORD

1 stop8h 15mSpirit Airlines

Deal found 5/7$268

Thu 5/168:00 pmORD - BOI

2 stops25h 25mMultiple Airlines

Tue 5/289:15 pmBOI - ORD

1 stop8h 15mMultiple Airlines

Deal found 5/7$271

Fri 5/178:00 pmORD - BOI

2 stops25h 25mMultiple Airlines

Mon 5/209:15 pmBOI - ORD

2 stops17h 43mMultiple Airlines

Deal found 5/7$283

Mon 5/136:53 pmORD - BOI

2 stops22h 37mSpirit Airlines

Tue 5/149:15 pmBOI - ORD

1 stop8h 15mSpirit Airlines

Deal found 5/7$284

Tue 5/149:36 amORD - BOI

1 stop7h 54mSpirit Airlines

Fri 5/179:15 pmBOI - ORD

1 stop8h 25mSpirit Airlines

Deal found 5/7$288

One-way flights to Idaho from Illinois

Users traveling one-way from Illinois to Idaho can select one of these great deals. For those needing a return trip from Illinois, there is a search form available above.

Sat 5/181:13 pmORD - BOI

1 stop8h 12mSpirit Airlines

Deal found 5/8$63

Sat 5/181:13 pmORD - BOI

1 stop8h 12mSpirit Airlines

Deal found 5/7$64

Tue 6/119:36 amORD - BOI

1 stop11h 47mSpirit Airlines

Deal found 5/7$97

Tue 6/189:36 amORD - BOI

1 stop11h 47mSpirit Airlines

Deal found 5/7$103

Tue 6/187:00 amORD - BOI

2 stops10h 39mSpirit Airlines

Deal found 5/7$118

Wed 8/76:00 amORD - GEG

1 stop6h 07mDelta

Deal found 5/6$118

Thu 9/57:30 amORD - GEG

1 stop7h 07mDelta

Deal found 5/8$123

Fri 6/78:05 pmORD - BOI

2 stops25h 18mMultiple Airlines

Deal found 5/7$124

Mon 5/204:05 pmSTL - BOI

1 stop29h 20mSpirit Airlines

Deal found 5/8$124

Find flights from Illinois to Idaho within your budget

Fly from

Fly to

Budget

$120 - $271

Route

Depart

Return

Price

Chicago O'Hare IntlBoise Air Term. Gowen Fld

ORD - BOI

ORDBOI

Chicago O'Hare Intl

Wed 6/5

1 stop8h 38m

Boise Air Term. Gowen Fld

Wed 6/12

1 stop13h 21m

$120

Chicago O'Hare IntlBoise Air Term. Gowen Fld

ORD - BOI

ORDBOI

Chicago O'Hare Intl

Tue 6/4

1 stop7h 54m

Boise Air Term. Gowen Fld

Tue 6/4

1 stop8h 21m

$136

Chicago O'Hare IntlBoise Air Term. Gowen Fld

ORD - BOI

ORDBOI

Chicago O'Hare Intl

Wed 6/5

1 stop11h 51m

Boise Air Term. Gowen Fld

Wed 6/12

1 stop8h 11m

$139

Chicago O'Hare IntlSpokane

ORD - GEG

ORDGEG

Chicago O'Hare Intl

Fri 8/23

1 stop6h 41m

Spokane

Mon 8/26

2 stops11h 56m

$241

Chicago O'Hare IntlBoise Air Term. Gowen Fld

ORD - BOI

ORDBOI

Chicago O'Hare Intl

Sat 6/15

1 stop11h 09m

Boise Air Term. Gowen Fld

Wed 6/26

2 stops18h 30m

$243

Chicago O'Hare IntlBoise Air Term. Gowen Fld

ORD - BOI

ORDBOI

Chicago O'Hare Intl

Thu 6/13

1 stop7h 09m

Boise Air Term. Gowen Fld

Mon 6/17

1 stop7h 08m

$248

Chicago O'Hare IntlBoise Air Term. Gowen Fld

ORD - BOI

ORDBOI

Chicago O'Hare Intl

Tue 7/2

1 stop24h 15m

Boise Air Term. Gowen Fld

Wed 7/10

1 stop23h 20m

$255

Chicago O'Hare IntlSpokane

ORD - GEG

ORDGEG

Chicago O'Hare Intl

Fri 8/16

1 stop7h 08m

Spokane

Mon 8/19

Nonstop3h 43m

$258

Chicago O'Hare IntlSpokane

ORD - GEG

ORDGEG

Chicago O'Hare Intl

Tue 6/4

1 stop21h 22m

Spokane

Tue 6/11

1 stop5h 55m

$271

Flights are sorted by cheapest first

Deals found on 5/7

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Idaho

Read reviews from past customers who have flown Spirit Airlines, Delta and United Airlines from Illinois to Idaho. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.1

Very good

9,141 reviews

Check prices

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Alaska Airlines

8.1

Very good

9,141 reviews

Alaska Airlines

8.1

Very good

9,141 reviews

Check prices

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Delta

8.1

Very good

10,789 reviews

Alaska Airlines

8.1

Very good

9,141 reviews

Check prices

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

WestJet

7.6

Good

2,945 reviews

Alaska Airlines

8.1

Very good

9,141 reviews

Check prices

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

United Airlines

7.4

Good

11,043 reviews

Alaska Airlines

8.1

Very good

9,141 reviews

Check prices

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

American Airlines

7.3

Good

14,677 reviews

Alaska Airlines

8.1

Very good

9,141 reviews

Check prices

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Related info for your journey

Can I find flights from Illinois to Idaho for under $200 on Cheapflights?
Yes, there are multiple flights from Illinois to Idaho for under $200. The cheapest flight booked recently is on Spirit Airlines for just $120, but on average you can expect to pay $176.
Are there nonstop flights from Illinois to Idaho for under $300 on Cheapflights?
Cheapflights has at least 20 direct flights from Illinois to Idaho under $300. A good price for a nonstop flight from Illinois to Idaho is less than $439.
Are there last-minute flights available from Illinois to Idaho for under $200?
There are currently 20+ open flights from Illinois to Idaho within the next 7 days for less than $200.
What are the cheapest airlines to fly from Illinois to Idaho one-way?
One-way options have recently been found by users for as low as $63 on Spirit Airlines. Other airlines that offer cheap prices include Delta from $118 and Sun Country Air from $125 one-way.
What does ORD to BOI mean?
These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Chicago O'Hare Intl Airport to Boise Air Term. Gowen Fld Airport flight would often be abbreviated as a ORD to BOI flight. This flight route has multiple associated airports, so we think it might be helpful to learn the name and codes of them as well. They are Idaho Falls Fanning Field Airport (IDA), Hailey Sun Valley-Friedman Airport (SUN), Lewiston Nez Perce Rgnl Airport (LWS), Pocatello Airport (PIH), Twin Falls Joslin Airport (TWF).
Can I find deals for flights from Illinois to Idaho that include extra baggage allowance?
The amount of baggage you can bring on your Illinois to Idaho flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.
Can I find deals on flights from Illinois to Idaho with specific airlines?
Yes, Cheapflights allows you to browse and filter Illinois to Idaho flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.
Can I find deals for flights from Illinois to Idaho that include hotel bookings?
Yes. In addition to deals on Illinois to Idaho flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Illinois to Idaho?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Idaho.
Can I find deals for business class flights from Illinois to Idaho?
Yes. Cheapflights offers flight deals from Illinois to Idaho by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
Can I find deals for flights from Illinois to Idaho that allow pets onboard?
Many airlines flying from Illinois to Idaho offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.
Can I find deals on last-minute flights from Illinois to Idaho?
Yes, you can often find last-minute deals on Illinois to Idaho flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.
How recently were the Illinois to Idaho flight deals updated?
The Illinois to Idaho flight deals you see on this page were last updated on 5/8.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Illinois to Idaho
See prices for flight routes from nearby airports that may be better suited for you.

Newark to Fort Lauderdale flights

LaGuardia to Fort Lauderdale flights

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LaGuardia to Orlando flights

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Seattle to Los Angeles flights

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John F Kennedy Intl to Seattle flights

Los Angeles to LaGuardia flights

O'Hare Intl to Las Vegas flights

Dallas/Fort Worth to John F Kennedy Intl flights

Fort Lauderdale to Newark flights

Newark to Seattle flights

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San Francisco to Newark flights

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LaGuardia to Los Angeles flights

Los Angeles to Las Vegas flights

Boston to Orlando flights

O'Hare Intl to John F Kennedy Intl flights

Newark to San Francisco flights

Atlanta to Newark flights

LaGuardia to Las Vegas flights

Complete your trip
Complete your trip to Idaho by adding a car rental and/or hotel reservation to your travel itinerary.

Idaho car rentals

Boise Air Term. Gowen Fld Airport car rentals

Idaho Falls Fanning Field Airport car rentals

Hailey Sun Valley-Friedman Airport car rentals

Lewiston Nez Perce Rgnl Airport car rentals

Pocatello Airport car rentals

Twin Falls Joslin Airport car rentals

Boise car rentals

Idaho Falls car rentals

Twin Falls car rentals

Pocatello car rentals

Find a return flight route from Idaho
Find the right flight back to Illinois after your stay in Idaho

Boise to O'Hare Intl flights

Spokane to O'Hare Intl flights

Boise to Midway flights

Spokane to Midway flights

Boise to St. Louis flights

Boise to Moline flights

Spokane to St. Louis flights

Idaho Falls to Moline flights

Idaho Falls to O'Hare Intl flights

Idaho Falls to Midway flights

Spokane to Moline flights

Pocatello to O'Hare Intl flights

Idaho Falls to St. Louis flights

Hailey to O'Hare Intl flights

Pocatello to St. Louis flights

Pocatello to Midway flights

Spokane to Bloomington flights

Lewiston to O'Hare Intl flights

Boise to Bloomington flights

Hailey to St. Louis flights

Boise to Peoria flights

Lewiston to St. Louis flights

Spokane to Springfield flights

Spokane to Peoria flights

Twin Falls to O'Hare Intl flights

Twin Falls to St. Louis flights

Lewiston to Peoria flights

Spokane to Rockford flights

Spokane to Champaign flights

Boise to Quincy flights

Boise to Springfield flights

Boise to Champaign flights

Illinois to Idaho flights
Consider these flights traveling from Illinois to Idaho.

O'Hare Intl to Spokane flights

O'Hare Intl to Boise flights

Midway to Spokane flights

St. Louis to Spokane flights

Midway to Boise flights

O'Hare Intl to Hailey flights

O'Hare Intl to Idaho Falls flights

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Top 5 airlines flying from Illinois to Idaho

Airline	Cheapest	Average	Flexibility	On-time
Alaska Airlines	Cheapest$89	Average$308	FlexibilityNo cancel fee	On-time75%	Search Alaska Airlines flights
Spirit Airlines	Cheapest$137	Average$278	FlexibilityNo cancel fee	On-time65%	Search Spirit Airlines flights
United Airlines	Cheapest$183	Average$593	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Delta	Cheapest$216	Average$458	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
American Airlines	Cheapest$258	Average$596	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights

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Hourly flight availability from Illinois to Idaho

1%of flight departures	Early morningMidnight to 6 am
77%of flight departures	Morning6 am to noon
0%of flight departures	AfternoonNoon to 6 pm
22%of flight departures	Evening6 pm to midnight

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How does Cheapflights help users find flights from Illinois to Idaho?

Deals for Illinois to Idaho flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Illinois to Idaho?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Illinois to Idaho.

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Yes! Cheapflights helps users easily find flights from Illinois to Idaho with no change fees.

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Cheap flights from Illinois to Idaho from $63

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 5/18. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.

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Cheap Spirit Airlines flights from Illinois to Idaho

Find some of the cheapest Spirit Airlines flights traveling from Illinois to Idaho. Make sure to double check the flight details before booking.

Cheap Delta flights from Illinois to Idaho

Some of the lowest-priced Delta flights we've found at this time heading from Illinois to Idaho. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.

Cheap Illinois to Idaho flights in May & June 2024

Find cheap flight options from Illinois to Idaho specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,752,338 searches. Prices were last updated on May 8, 2024.

Listed are some of the best fares we've found on flights departing from Illinois to Idaho in 2024. Check back in a little while for more flight options.

Illinois to Idaho 2024 flight deals

Discover exclusive flight deals for travel between Illinois and Idaho in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,752,338 searches. Data last updated May 8, 2024.

Listed are some of the best fares we've found on flights departing from Illinois to Idaho in 2024. Check back in a little while for more flight options.

Non-stop flights to Idaho from Illinois

If you're seeking options on non-stop flights from Illinois to Idaho, check out these fares. Users seeking other options on flights from Illinois to Idaho should update the search form at the top of the page.

Illinois to Idaho flights leaving soon

Users seeking a last-minute flight from Illinois to Idaho should consider booking one of these fares. Users should be sure to double check the price, date, and time of their last-minute flight.

One-way flights to Idaho from Illinois

Users traveling one-way from Illinois to Idaho can select one of these great deals. For those needing a return trip from Illinois, there is a search form available above.

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Reviews of airlines servicing Idaho

Get insights into the airlines that provide service to Idaho. 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. Reviews last updated May 8, 2024.

Read reviews from past customers who have flown Spirit Airlines, Delta and United Airlines from Illinois to Idaho. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

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Top 5 airlines flying from Illinois to Idaho

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Find flights from Illinois to Idaho, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Hourly flight availability from Illinois to Idaho

Find hourly flight availability from Illinois to Idaho. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 8, 2024.

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How does Cheapflights help users find flights from Illinois to Idaho?

Why should you use Cheapflights to find cheap flight tickets from Illinois to Idaho?

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Can Cheapflights notify me if prices for flights from Illinois to Idaho become cheaper?

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Alternative routes for Illinois to Idaho
See prices for flight routes from nearby airports that may be better suited for you.