Cheap flights from Boise (BOI) to Illinois from $71

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 4/17. 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.
BOI — ORD
Mar 24 — Mar 311

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

Users have found that booking a flight from Boise to Illinois at least 48 days early can save you up to 376% on average compared to booking a flight this week. If booking 48 days before your flight isn’t an option for you, users have found flights from Boise to Illinois for as little as $334 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $662 for flights departing within the next 3 days.

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

Flights from Boise to Illinois lean towards being more expensive in June. Prices are generally better when you fly from Boise to Illinois in January, with the cheapest ticket starting at $155.

When is the cheapest time to fly from Boise to Illinois (BOI - IL)?

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

Cheap Spirit Airlines flights from Boise to Illinois

Explore cheap flight options specifically provided by Spirit Airlines for the route between Boise and Illinois. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Check out some of the cheapest Spirit Airlines flights we've come across from Boise to Illinois. Deals update often to give you more flight options matching your criteria
Tue 4/99:10 pmBOI - ORD
1 stop7h 57mSpirit Airlines
Sat 4/138:00 amORD - BOI
1 stop12h 25mSpirit Airlines
Deal found 3/18$174
Wed 5/19:21 pmBOI - ORD
1 stop8h 08mSpirit Airlines
Tue 5/79:27 amORD - BOI
1 stop11h 30mSpirit Airlines
Deal found 3/18$181
Thu 5/28:19 pmBOI - ORD
1 stop9h 10mSpirit Airlines
Tue 5/79:27 amORD - BOI
1 stop11h 30mSpirit Airlines
Deal found 3/18$188
Thu 4/118:19 pmBOI - ORD
1 stop9h 10mSpirit Airlines
Sat 4/138:00 amORD - BOI
1 stop12h 25mSpirit Airlines
Deal found 3/18$193
Thu 5/28:19 pmBOI - ORD
1 stop9h 10mSpirit Airlines
Mon 5/67:52 pmORD - BOI
1 stop25h 05mSpirit Airlines
Deal found 3/18$203
Wed 4/249:21 pmBOI - ORD
1 stop8h 08mSpirit Airlines
Thu 4/2511:58 pmORD - BOI
1 stop21h 33mSpirit Airlines
Deal found 3/18$222
Thu 4/118:19 pmBOI - ORD
1 stop9h 10mSpirit Airlines
Sun 4/1411:58 pmORD - BOI
1 stop21h 33mSpirit Airlines
Deal found 3/18$227
Wed 4/311:16 amBOI - ORD
1 stop28h 52mSpirit Airlines
Fri 4/57:54 pmORD - BOI
1 stop24h 14mSpirit Airlines
Deal found 3/18$242
Wed 5/810:59 pmBOI - ORD
1 stop6h 37mSpirit Airlines
Mon 5/131:13 pmORD - BOI
1 stop28h 17mSpirit Airlines
Deal found 3/18$243

Cheap Delta flights from Boise to Illinois

Explore cheap flight options specifically provided by Delta for the route between Boise and Illinois. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Some of the best deals we've found on Delta flights traveling from Boise to Illinois. Make sure to examine the flight information before completing your reservation.
Tue 4/165:59 pmBOI - ORD
1 stop6h 00mDelta
Wed 4/172:20 pmORD - BOI
1 stop7h 07mDelta
Deal found 3/18$248
Wed 5/15:59 pmBOI - ORD
1 stop6h 00mDelta
Tue 5/76:07 amORD - BOI
2 stops7h 15mDelta
Deal found 3/18$253
Mon 7/15:40 amBOI - ORD
1 stop8h 16mDelta
Wed 7/316:00 amORD - BOI
1 stop6h 03mDelta
Deal found 3/19$268
Tue 4/163:00 pmBOI - MDW
1 stop5h 32mDelta
Wed 4/1711:20 amMDW - BOI
2 stops10h 07mDelta
Deal found 3/18$273
Tue 7/167:59 pmBOI - ORD
2 stops10h 23mDelta
Sat 7/202:10 pmORD - BOI
2 stops10h 45mDelta
Deal found 3/18$278
Fri 6/141:15 pmBOI - ORD
1 stop7h 41mDelta
Thu 7/43:50 pmORD - BOI
1 stop5h 39mDelta
Deal found 3/18$288
Sat 6/15:25 amBOI - ORD
1 stop8h 17mDelta
Sat 6/153:50 pmORD - BOI
1 stop5h 39mDelta
Deal found 3/19$298
Fri 6/71:15 pmBOI - ORD
1 stop7h 41mDelta
Mon 6/105:20 pmORD - BOI
1 stop7h 09mDelta
Deal found 3/17$303
Tue 4/92:35 pmBOI - ORD
2 stops9h 24mDelta
Sat 4/135:15 pmORD - BOI
1 stop6h 53mDelta
Deal found 3/18$308

Cheap Boise to Illinois flights in March & April 2024

Find cheap flight options from Boise to Illinois specifically for the months of March and April 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,145,932 searches. Prices were last updated on March 19, 2024.
The lowest fares we've come across on flights traveling from Boise to Illinois in March and April 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Mon 4/299:21 pmBOI - STL
1 stop11h 57mMultiple Airlines
Wed 5/111:33 amSTL - BOI
1 stop9h 58mMultiple Airlines
Deal found 3/19$158
Tue 4/99:10 pmBOI - ORD
1 stop7h 57mSpirit Airlines
Sat 4/138:00 amORD - BOI
1 stop12h 25mSpirit Airlines
Deal found 3/18$174
Mon 4/299:21 pmBOI - STL
2 stops17h 29mMultiple Airlines
Wed 5/111:33 amSTL - BOI
1 stop9h 58mMultiple Airlines
Deal found 3/19$179
Tue 4/239:15 pmBOI - ORD
1 stop7h 52mMultiple Airlines
Fri 4/266:27 pmORD - BOI
2 stops25h 58mMultiple Airlines
Deal found 3/19$179
Wed 4/249:21 pmBOI - ORD
1 stop8h 08mMultiple Airlines
Fri 4/266:27 pmORD - BOI
2 stops25h 58mMultiple Airlines
Deal found 3/19$187
Tue 4/169:15 pmBOI - STL
1 stop12h 03mMultiple Airlines
Sun 4/2110:59 pmSTL - BOI
1 stop22h 32mMultiple Airlines
Deal found 3/18$189
Thu 4/118:19 pmBOI - ORD
1 stop9h 10mSpirit Airlines
Sat 4/138:00 amORD - BOI
1 stop12h 25mSpirit Airlines
Deal found 3/18$193
Wed 4/249:21 pmBOI - ORD
1 stop8h 08mSpirit Airlines
Thu 4/2511:58 pmORD - BOI
1 stop21h 33mSpirit Airlines
Deal found 3/18$222
Tue 4/239:15 pmBOI - ORD
1 stop7h 52mMultiple Airlines
Fri 4/261:06 pmORD - BOI
1 stop10h 21mMultiple Airlines
Deal found 3/19$225

Boise to Illinois 2024 flight deals

Discover exclusive flight deals for travel between Boise and Illinois in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
The lowest fares we've come across on flights traveling from Boise to Illinois in March and April 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Mon 4/299:21 pmBOI - STL
1 stop11h 57mMultiple Airlines
Wed 5/111:33 amSTL - BOI
1 stop9h 58mMultiple Airlines
Deal found 3/19$158
Tue 4/99:10 pmBOI - ORD
1 stop7h 57mSpirit Airlines
Sat 4/138:00 amORD - BOI
1 stop12h 25mSpirit Airlines
Deal found 3/18$174
Mon 4/299:21 pmBOI - STL
2 stops17h 29mMultiple Airlines
Wed 5/111:33 amSTL - BOI
1 stop9h 58mMultiple Airlines
Deal found 3/19$179
Tue 4/239:15 pmBOI - ORD
1 stop7h 52mMultiple Airlines
Fri 4/266:27 pmORD - BOI
2 stops25h 58mMultiple Airlines
Deal found 3/19$179
Wed 5/19:21 pmBOI - ORD
1 stop8h 08mSpirit Airlines
Tue 5/79:27 amORD - BOI
1 stop11h 30mSpirit Airlines
Deal found 3/18$181
Wed 4/249:21 pmBOI - ORD
1 stop8h 08mMultiple Airlines
Fri 4/266:27 pmORD - BOI
2 stops25h 58mMultiple Airlines
Deal found 3/19$187
Thu 5/28:19 pmBOI - ORD
1 stop9h 10mSpirit Airlines
Tue 5/79:27 amORD - BOI
1 stop11h 30mSpirit Airlines
Deal found 3/18$188
Tue 4/169:15 pmBOI - STL
1 stop12h 03mMultiple Airlines
Sun 4/2110:59 pmSTL - BOI
1 stop22h 32mMultiple Airlines
Deal found 3/18$189
Thu 4/118:19 pmBOI - ORD
1 stop9h 10mSpirit Airlines
Sat 4/138:00 amORD - BOI
1 stop12h 25mSpirit Airlines
Deal found 3/18$193

Non-stop flights to Illinois from Boise

Discover non-stop flight options from Boise to Illinois. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Take a look at some of the direct flights traveling from Boise to Illinois in the near future. Select from other flights from Boise to Illinois by using the search form above.
Tue 4/912:33 pmBOI - ORD
Nonstop3h 37mUnited Airlines
Sat 4/138:58 amORD - BOI
Nonstop4h 06mUnited Airlines
Deal found 3/18$474
Sat 6/812:34 pmBOI - ORD
Nonstop3h 31mUnited Airlines
Sat 6/158:45 amORD - BOI
Nonstop3h 52mUnited Airlines
Deal found 3/17$489
Sat 6/812:34 pmBOI - ORD
Nonstop3h 31mUnited Airlines
Thu 6/138:45 amORD - BOI
Nonstop3h 52mUnited Airlines
Deal found 3/17$548
Sat 6/112:34 pmBOI - ORD
Nonstop3h 31mUnited Airlines
Sat 6/158:45 amORD - BOI
Nonstop3h 52mUnited Airlines
Deal found 3/19$589
Thu 4/2512:33 pmBOI - ORD
Nonstop3h 37mUnited Airlines
Sat 4/278:58 amORD - BOI
Nonstop4h 06mUnited Airlines
Deal found 3/19$625
Tue 4/1612:33 pmBOI - ORD
Nonstop3h 37mUnited Airlines
Wed 4/178:58 amORD - BOI
Nonstop4h 06mUnited Airlines
Deal found 3/17$628
Tue 5/2812:34 pmBOI - ORD
Nonstop3h 31mUnited Airlines
Sat 6/88:45 amORD - BOI
Nonstop3h 52mUnited Airlines
Deal found 3/18$633
Wed 5/2912:34 pmBOI - ORD
Nonstop3h 31mUnited Airlines
Sun 6/28:45 amORD - BOI
Nonstop3h 52mUnited Airlines
Deal found 3/19$639
Thu 4/1112:33 pmBOI - ORD
Nonstop3h 37mUnited Airlines
Sat 4/138:58 amORD - BOI
Nonstop4h 06mUnited Airlines
Deal found 3/18$659

Boise to Illinois flights leaving soon

Find last-minute flight options from Boise to Illinois for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Users seeking a last-minute flight from Boise to Illinois should consider booking one of these fares. Users should be sure to double check the price, date, and time of their last-minute flight.
Tue 3/265:20 pmBOI - ORD
1 stop6h 08mAmerican Airlines
Tue 4/29:55 amORD - BOI
1 stop7h 55mAmerican Airlines
Deal found 3/19$300
Wed 3/2711:16 amBOI - ORD
2 stops18h 39mMultiple Airlines
Sat 3/309:40 pmORD - BOI
1 stop13h 46mMultiple Airlines
Deal found 3/18$320
Wed 3/279:40 pmBOI - ORD
1 stop7h 50mSpirit Airlines
Sat 3/309:40 pmORD - BOI
1 stop13h 46mSpirit Airlines
Deal found 3/18$331
Mon 3/251:11 pmBOI - ORD
1 stop7h 24mDelta
Thu 3/286:25 amORD - BOI
1 stop7h 06mDelta
Deal found 3/18$371
Wed 3/273:30 pmBOI - MDW
1 stop5h 14mDelta
Sat 3/306:19 amMDW - BOI
1 stop7h 12mDelta
Deal found 3/18$403
Tue 3/2610:44 amBOI - ORD
1 stop5h 24mUnited Airlines
Tue 4/28:58 amORD - BOI
Nonstop4h 06mUnited Airlines
Deal found 3/19$403
Wed 3/2711:16 amBOI - ORD
3 stops20h 10mSpirit Airlines
Sat 3/309:40 pmORD - BOI
1 stop13h 46mSpirit Airlines
Deal found 3/18$409
Mon 3/257:00 amBOI - ORD
3 stops12h 00mSouthwest
Thu 3/284:00 pmORD - BOI
1 stop9h 25mSouthwest
Deal found 3/18$411
Sun 3/246:05 amBOI - ORD
1 stop5h 43mDelta
Thu 3/287:00 amORD - BOI
1 stop8h 30mDelta
Deal found 3/18$420

One-way flights to Illinois from Boise

Search for one-way flight options from Boise to Illinois. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Take a look at some of the best available options we've come across on one-way flights from Boise to Illinois. Users in need of a round-trip flight from Boise to Illinois instead should update the search form at the top of page.
Wed 4/179:21 pmBOI - STL
1 stop11h 57mMultiple Airlines
Deal found 3/18$71
Mon 4/159:21 pmBOI - MDW
1 stop13h 15mMultiple Airlines
Deal found 3/18$85
Mon 4/89:30 pmBOI - ORD
1 stop8h 00mSpirit Airlines
Deal found 3/18$85
Sun 4/148:50 pmBOI - ORD
1 stop8h 39mSpirit Airlines
Deal found 3/18$87
Mon 4/159:21 pmBOI - MDW
2 stops23h 23mMultiple Airlines
Deal found 3/18$89
Wed 4/109:21 pmBOI - MDW
1 stop13h 15mMultiple Airlines
Deal found 3/18$106
Mon 4/89:30 pmBOI - ORD
2 stops26h 50mMultiple Airlines
Deal found 3/18$106
Wed 4/109:21 pmBOI - MDW
2 stops20h 54mMultiple Airlines
Deal found 3/18$107
Mon 4/19:30 pmBOI - ORD
1 stop8h 00mSpirit Airlines
Deal found 3/18$109

Find flights from Boise to Illinois within your budget

Customize your flight search to find flights from Boise to Illinois 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 3,145,932 searches. Data last updated March 19, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$174 - $424

Route

Depart

Return

Price

Boise Air Term. Gowen FldChicago O'Hare Intl

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Tue 4/9

1 stop7h 57m

Chicago O'Hare Intl

Sat 4/13

1 stop12h 25m

$174

Boise Air Term. Gowen FldChicago O'Hare Intl

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Tue 4/23

1 stop7h 52m

Chicago O'Hare Intl

Fri 4/26

2 stops25h 58m

$179

Boise Air Term. Gowen FldChicago O'Hare Intl

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Wed 5/1

1 stop8h 08m

Chicago O'Hare Intl

Tue 5/7

1 stop11h 30m

$181

Boise Air Term. Gowen FldChicago O'Hare Intl

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Wed 4/24

1 stop8h 08m

Chicago O'Hare Intl

Fri 4/26

2 stops25h 58m

$187

Boise Air Term. Gowen FldChicago O'Hare Intl

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Thu 5/2

1 stop9h 10m

Chicago O'Hare Intl

Tue 5/7

1 stop11h 30m

$188

Boise Air Term. Gowen FldChicago O'Hare Intl

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Tue 4/16

1 stop6h 00m

Chicago O'Hare Intl

Wed 4/17

1 stop7h 07m

$248

Boise Air Term. Gowen FldChicago O'Hare Intl

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Tue 4/9

1 stop5h 41m

Chicago O'Hare Intl

Sat 4/13

Nonstop4h 06m

$318

Boise Air Term. Gowen FldChicago O'Hare Intl

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Wed 4/24

2 stops16h 23m

Chicago O'Hare Intl

Fri 4/26

2 stops8h 34m

$394

Boise Air Term. Gowen FldChicago O'Hare Intl

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Sat 6/22

1 stop11h 15m

Chicago O'Hare Intl

Sat 6/29

1 stop9h 43m

$424

Flights are sorted by cheapest first

Deals found on 3/18

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated March 19, 2024.
Read through reviews of airlines operating flights from Boise to Illinois, such as Spirit Airlines, Delta and Alaska Airlines. 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.
Southwest
8.2
Very good
6,382 reviews

Food

7.4

Boarding

8.3

Crew

8.8

Overall

8.2

Entertainment

7.9

Comfort

8.1

Reviews

1 / 10

No tray tables for food or drink not convenient nor comfortable

Southwest
8.2
Very good
6,382 reviews
Southwest
8.2
Very good
6,382 reviews

Food

7.4

Boarding

8.3

Crew

8.8

Overall

8.2

Entertainment

7.9

Comfort

8.1

Reviews

1 / 10

No tray tables for food or drink not convenient nor comfortable

8.1
Very good
9,150 reviews
Southwest
8.2
Very good
6,382 reviews

Food

7.4

Boarding

8.3

Crew

8.8

Overall

8.2

Entertainment

7.9

Comfort

8.1

Reviews

1 / 10

No tray tables for food or drink not convenient nor comfortable

8.1
Very good
11,551 reviews
Southwest
8.2
Very good
6,382 reviews

Food

7.4

Boarding

8.3

Crew

8.8

Overall

8.2

Entertainment

7.9

Comfort

8.1

Reviews

1 / 10

No tray tables for food or drink not convenient nor comfortable

7.4
Good
11,602 reviews
Southwest
8.2
Very good
6,382 reviews

Food

7.4

Boarding

8.3

Crew

8.8

Overall

8.2

Entertainment

7.9

Comfort

8.1

Reviews

1 / 10

No tray tables for food or drink not convenient nor comfortable

7.3
Good
15,298 reviews
Southwest
8.2
Very good
6,382 reviews

Food

7.4

Boarding

8.3

Crew

8.8

Overall

8.2

Entertainment

7.9

Comfort

8.1

Reviews

1 / 10

No tray tables for food or drink not convenient nor comfortable

Related info for your journey

Find useful and relevant information for your journey from Boise to Illinois. 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 from for flights from Boise to Illinois?

    If you book a flight to Illinois from Boise, you will be flying from Air Term. Gowen Fld, which is the city’s only airport. Boise Air Term. Gowen Fld (BOI) is located 3.3 mi from the center of Boise.

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

    Yes, there are multiple flights from Boise to Illinois for under $200. The cheapest flight booked recently is on Spirit Airlines for just $174, but on average you can expect to pay $220.

  • Are there nonstop flights from Boise to Illinois for under $500 on Cheapflights?

    Cheapflights has at least 20 direct flights from Boise to Illinois under $500. A good price for a nonstop flight from Boise to Illinois is less than $671.

  • Are there last-minute flights available from Boise to Illinois for under $300?

    There are currently 20+ open flights from Boise to Illinois within the next 7 days for less than $300.

  • What days are nonstop flights available from Boise to Illinois?

    Days when nonstop flights are available for this flight are: Friday, Saturday.

  • How many flights depart from Boise to Illinois on average per day?

    On average 1 flight departs from Boise to Illinois per day.
    Morning (6am - Noon) - 100% of flight departures

  • How long is the flight from Boise to Illinois?

    Spirit Airlines and Delta can get you from Boise to Illinois in just under 6h. Your travel time can differ by up to 1h 57m. The distance between Boise and Illinois is about 1441 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most popular routes from Boise to Illinois?

  • What are the most popular airlines that fly from Boise to Illinois?

  • What are the most reliable airlines from Boise to Illinois?

    Consider Air Canada (94%), Lufthansa (93%) or SkyWest Airlines (93%) when booking your flight. These represent the most reliable airlines when flying from Boise to Illinois.

  • What are the cheapest flights from Boise to Illinois?

    Looking for the cheapest flight from Boise to Illinois? While on average our users pay $1,142, our data indicates the cheapest price to be $284. The most popular route (Boise Air Term. Gowen Fld - Chicago O'Hare Intl), is priced around $144.

  • What does BOI to ORD mean?

    BOI and ORD are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. BOI to ORD refers to a flight route from Boise Air Term. Gowen Fld Airport to Chicago O'Hare Intl Airport. While you’re still figuring out your travel plans, it’s not a bad idea to learn the names and codes of other airports around these areas: Chicago Midway Airport (MDW), Moline Quad-City Airport (MLI), Greater Peoria Airport (PIA), Bloomington-Normal Airport (BMI), Springfield Capital Airport (SPI).

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 5 airlines flying from Boise to Illinois

Discover the top 5 airlines that operate flights from Boise to Illinois. 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 3,145,932 searches. Data last updated March 19, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$139Average$249FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
Alaska AirlinesCheapest$139Average$358FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
United AirlinesCheapest$201Average$602FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapest$216Average$352FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapest$286Average$547FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Search flights from Boise to Illinois by cabin class

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

Hourly flight availability from Boise to Illinois

Find hourly flight availability from Boise to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 19, 2024.
0%of flight departuresEarly morningMidnight to 6 am
100%of flight departuresMorning6 am to noon
0%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights helps you search for flights from Boise to Illinois via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights helps you find that perfect flight to Illinois from Boise by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Boise to Illinois with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Boise to Illinois flexibly with Cheapflights today.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.