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Cheap flights from Boise (BOI) to Illinois from $53

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 5/21. 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
May 9 — May 161
From?
To?
Thu 5/9
Thu 5/16
1 adult, Economy
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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 2,864,334 searches. Data last updated May 4, 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 5/149:15 pmBOI - ORD
1 stop8h 15mSpirit Airlines
Sat 5/187:30 amORD - BOI
1 stop9h 34mSpirit Airlines
Deal found 5/2$164
Tue 5/219:15 pmBOI - ORD
1 stop18h 41mSpirit Airlines
Fri 5/317:52 pmORD - BOI
1 stop21h 12mSpirit Airlines
Deal found 5/3$196
Tue 6/189:13 pmBOI - ORD
1 stop8h 23mSpirit Airlines
Wed 6/199:19 amORD - BOI
1 stop6h 54mSpirit Airlines
Deal found 5/3$206
Wed 5/228:46 pmBOI - ORD
1 stop8h 54mSpirit Airlines
Fri 5/317:52 pmORD - BOI
1 stop21h 12mSpirit Airlines
Deal found 5/3$210
Wed 5/228:46 pmBOI - ORD
1 stop8h 54mSpirit Airlines
Sun 5/269:36 amORD - BOI
1 stop6h 54mSpirit Airlines
Deal found 5/2$211
Thu 5/308:50 pmBOI - ORD
1 stop8h 50mSpirit Airlines
Thu 6/69:36 amORD - BOI
1 stop10h 01mSpirit Airlines
Deal found 5/2$216
Thu 5/235:20 pmBOI - ORD
1 stop12h 20mSpirit Airlines
Mon 5/2710:14 amORD - BOI
1 stop7h 16mSpirit Airlines
Deal found 5/3$230
Wed 5/298:46 pmBOI - ORD
1 stop24h 09mSpirit Airlines
Sun 6/24:44 pmORD - BOI
1 stop28h 41mSpirit Airlines
Deal found 5/3$233
Thu 6/139:13 pmBOI - ORD
1 stop23h 04mSpirit Airlines
Mon 6/1712:32 pmORD - BOI
1 stop29h 07mSpirit Airlines
Deal found 5/3$234

Cheap American Airlines flights from Boise to Illinois

Explore cheap flight options specifically provided by American 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 2,864,334 searches. Data last updated May 4, 2024.
Some of the best deals we've found on American Airlines flights traveling from Boise to Illinois. Make sure to examine the flight information before completing your reservation.
Mon 7/812:59 amBOI - ORD
1 stop6h 46mAmerican Airlines
Mon 7/155:00 amORD - BOI
1 stop6h 56mAmerican Airlines
Deal found 5/2$298
Mon 7/1512:59 amBOI - ORD
1 stop6h 46mAmerican Airlines
Sat 7/205:00 amORD - BOI
1 stop6h 56mAmerican Airlines
Deal found 5/3$318
Tue 7/2312:59 amBOI - ORD
1 stop6h 46mAmerican Airlines
Sun 7/288:05 amORD - BOI
1 stop9h 30mAmerican Airlines
Deal found 5/3$363
Sat 7/612:59 amBOI - ORD
1 stop6h 46mAmerican Airlines
Fri 7/128:05 amORD - BOI
1 stop9h 30mAmerican Airlines
Deal found 5/3$368

Cheap Boise to Illinois flights in May & June 2024

Find cheap flight options from Boise to Illinois specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,864,334 searches. Prices were last updated on May 4, 2024.
The lowest fares we've come across on flights traveling from Boise to Illinois in May and June 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Wed 5/155:20 pmBOI - ORD
2 stops11h 40mSpirit Airlines
Tue 5/211:13 pmORD - BOI
1 stop8h 12mSpirit Airlines
Deal found 5/3$158
Tue 5/145:20 pmBOI - ORD
1 stop12h 10mSpirit Airlines
Sat 5/181:13 pmORD - BOI
1 stop8h 12mSpirit Airlines
Deal found 5/3$164
Wed 5/158:46 pmBOI - ORD
1 stop8h 54mSpirit Airlines
Tue 5/211:13 pmORD - BOI
1 stop8h 12mSpirit Airlines
Deal found 5/3$169
Wed 5/155:20 pmBOI - ORD
2 stops11h 40mSpirit Airlines
Tue 5/217:00 amORD - BOI
2 stops14h 25mSpirit Airlines
Deal found 5/3$187
Tue 5/219:15 pmBOI - ORD
1 stop18h 41mSpirit Airlines
Fri 5/317:52 pmORD - BOI
1 stop21h 12mSpirit Airlines
Deal found 5/3$196
Wed 5/158:46 pmBOI - ORD
1 stop8h 54mSpirit Airlines
Mon 5/207:52 pmORD - BOI
1 stop25h 33mSpirit Airlines
Deal found 5/3$205
Tue 6/189:13 pmBOI - ORD
1 stop8h 23mSpirit Airlines
Wed 6/199:19 amORD - BOI
1 stop6h 54mSpirit Airlines
Deal found 5/3$206
Wed 5/228:46 pmBOI - ORD
1 stop8h 54mSpirit Airlines
Fri 5/317:52 pmORD - BOI
1 stop21h 12mSpirit Airlines
Deal found 5/3$210
Wed 5/228:46 pmBOI - ORD
1 stop8h 54mSpirit Airlines
Sun 5/269:36 amORD - BOI
1 stop6h 54mSpirit Airlines
Deal found 5/2$211

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 2,864,334 searches. Data last updated May 4, 2024.
The lowest fares we've come across on flights traveling from Boise to Illinois in May and June 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Wed 5/155:20 pmBOI - ORD
2 stops11h 40mSpirit Airlines
Tue 5/211:13 pmORD - BOI
1 stop8h 12mSpirit Airlines
Deal found 5/3$158
Tue 5/145:20 pmBOI - ORD
1 stop12h 10mSpirit Airlines
Sat 5/181:13 pmORD - BOI
1 stop8h 12mSpirit Airlines
Deal found 5/3$164
Wed 5/158:46 pmBOI - ORD
1 stop8h 54mSpirit Airlines
Tue 5/211:13 pmORD - BOI
1 stop8h 12mSpirit Airlines
Deal found 5/3$169
Wed 5/155:20 pmBOI - ORD
2 stops11h 40mSpirit Airlines
Tue 5/217:00 amORD - BOI
2 stops14h 25mSpirit Airlines
Deal found 5/3$187
Tue 5/219:15 pmBOI - ORD
1 stop18h 41mSpirit Airlines
Fri 5/317:52 pmORD - BOI
1 stop21h 12mSpirit Airlines
Deal found 5/3$196
Wed 5/158:46 pmBOI - ORD
1 stop8h 54mSpirit Airlines
Mon 5/207:52 pmORD - BOI
1 stop25h 33mSpirit Airlines
Deal found 5/3$205
Tue 6/189:13 pmBOI - ORD
1 stop8h 23mSpirit Airlines
Wed 6/199:19 amORD - BOI
1 stop6h 54mSpirit Airlines
Deal found 5/3$206
Wed 5/228:46 pmBOI - ORD
1 stop8h 54mSpirit Airlines
Fri 5/317:52 pmORD - BOI
1 stop21h 12mSpirit Airlines
Deal found 5/3$210
Wed 5/228:46 pmBOI - ORD
1 stop8h 54mSpirit Airlines
Sun 5/269:36 amORD - BOI
1 stop6h 54mSpirit Airlines
Deal found 5/2$211

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 2,864,334 searches. Data last updated May 4, 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.
Wed 5/2212:33 pmBOI - ORD
Nonstop3h 37mUnited Airlines
Sun 5/268:45 amORD - BOI
Nonstop3h 52mUnited Airlines
Deal found 5/2$386
Wed 5/228:30 amBOI - ORD
Nonstop3h 37mUnited Airlines
Fri 5/318:45 amORD - BOI
Nonstop3h 52mUnited Airlines
Deal found 5/3$446
Tue 5/1412:33 pmBOI - ORD
Nonstop3h 37mUnited Airlines
Sat 5/187:40 pmORD - BOI
Nonstop4h 05mUnited Airlines
Deal found 5/2$449
Wed 5/228:30 amBOI - ORD
Nonstop3h 37mUnited Airlines
Mon 5/278:45 amORD - BOI
Nonstop3h 52mUnited Airlines
Deal found 5/2$495
Thu 6/2012:34 pmBOI - ORD
Nonstop3h 31mUnited Airlines
Sat 6/228:45 amORD - BOI
Nonstop3h 52mUnited Airlines
Deal found 5/3$496
Thu 6/2012:34 pmBOI - ORD
Nonstop3h 31mUnited Airlines
Sun 6/238:45 amORD - BOI
Nonstop3h 52mUnited Airlines
Deal found 5/3$545
Sat 8/1012:36 pmBOI - ORD
Nonstop3h 27mUnited Airlines
Thu 8/158:45 amORD - BOI
Nonstop3h 50mUnited Airlines
Deal found 5/3$564
Fri 8/308:25 amBOI - ORD
Nonstop3h 42mUnited Airlines
Sun 9/17:40 pmORD - BOI
Nonstop3h 55mUnited Airlines
Deal found 5/2$570
Tue 7/1612:37 pmBOI - ORD
Nonstop3h 30mUnited Airlines
Sat 7/208:45 amORD - BOI
Nonstop3h 50mUnited Airlines
Deal found 5/3$589

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 2,864,334 searches. Data last updated May 4, 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 5/145:20 pmBOI - ORD
1 stop12h 10mSpirit Airlines
Sat 5/181:13 pmORD - BOI
1 stop8h 12mSpirit Airlines
Deal found 5/3$164
Fri 5/109:15 pmBOI - ORD
1 stop8h 25mSpirit Airlines
Mon 5/137:52 pmORD - BOI
1 stop25h 33mSpirit Airlines
Deal found 5/2$260
Fri 5/109:15 pmBOI - ORD
1 stop16h 10mSpirit Airlines
Mon 5/138:00 pmORD - BOI
2 stops25h 25mSpirit Airlines
Deal found 5/2$263
Mon 5/139:15 pmBOI - ORD
1 stop8h 25mSpirit Airlines
Tue 5/1410:52 pmORD - BOI
1 stop18h 38mSpirit Airlines
Deal found 5/3$268
Thu 5/95:20 pmBOI - ORD
1 stop12h 20mSpirit Airlines
Mon 5/137:52 pmORD - BOI
1 stop25h 33mSpirit Airlines
Deal found 5/2$278
Thu 5/98:50 pmBOI - ORD
1 stop8h 50mSpirit Airlines
Mon 5/138:00 pmORD - BOI
2 stops25h 25mSpirit Airlines
Deal found 5/2$285
Mon 5/135:20 pmBOI - ORD
1 stop12h 20mSpirit Airlines
Tue 5/1410:57 pmORD - BOI
2 stops18h 33mSpirit Airlines
Deal found 5/3$293
Fri 5/109:15 pmBOI - ORD
2 stops27h 03mSpirit Airlines
Mon 5/138:00 pmORD - BOI
2 stops25h 25mSpirit Airlines
Deal found 5/2$295
Mon 5/135:20 pmBOI - ORD
2 stops21h 38mSpirit Airlines
Tue 5/1410:57 pmORD - BOI
2 stops18h 33mSpirit Airlines
Deal found 5/3$297

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 2,864,334 searches. Data last updated May 4, 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.
Tue 5/219:15 pmBOI - STL
1 stop12h 31mSpirit Airlines
Deal found 5/3$53
Tue 5/145:20 pmBOI - ORD
1 stop12h 10mSpirit Airlines
Deal found 5/2$71
Wed 5/158:46 pmBOI - ORD
1 stop8h 54mSpirit Airlines
Deal found 5/2$82
Tue 5/289:15 pmBOI - ORD
3 stops25h 14mSpirit Airlines
Deal found 5/3$89
Wed 5/298:46 pmBOI - ORD
1 stop8h 54mSpirit Airlines
Deal found 5/3$93
Thu 5/168:50 pmBOI - ORD
1 stop8h 50mSpirit Airlines
Deal found 5/3$101
Sat 6/151:43 pmBOI - ORD
1 stop6h 34mSpirit Airlines
Deal found 5/3$102
Wed 5/298:46 pmBOI - ORD
3 stops25h 43mSpirit Airlines
Deal found 5/3$103
Mon 5/279:15 pmBOI - ORD
1 stop15h 57mSpirit Airlines
Deal found 5/3$107

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 2,864,334 searches. Data last updated May 4, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$164 - $358

Route

Depart

Return

Price

Boise Air Term. Gowen FldChicago O'Hare Intl

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Tue 5/14

1 stop8h 15m

Chicago O'Hare Intl

Sat 5/18

1 stop9h 34m

$164

Boise Air Term. Gowen FldChicago O'Hare Intl

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Tue 5/21

1 stop18h 41m

Chicago O'Hare Intl

Fri 5/31

1 stop21h 12m

$196

Boise Air Term. Gowen FldChicago O'Hare Intl

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Tue 6/18

1 stop8h 23m

Chicago O'Hare Intl

Wed 6/19

1 stop6h 54m

$206

Boise Air Term. Gowen FldChicago Midway

BOI - MDW

BOIMDW

Boise Air Term. Gowen Fld

Fri 8/30

1 stop6h 26m

Chicago Midway

Sun 9/1

1 stop7h 29m

$248

Boise Air Term. Gowen FldChicago O'Hare Intl

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Sun 6/2

1 stop5h 34m

Chicago O'Hare Intl

Sun 6/9

1 stop5h 22m

$248

Boise Air Term. Gowen FldChicago O'Hare Intl

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Wed 5/22

1 stop8h 54m

Chicago O'Hare Intl

Sun 5/26

3 stops33h 00m

$251

Boise Air Term. Gowen FldMoline Quad-City

BOI - MLI

BOIMLI

Boise Air Term. Gowen Fld

Sat 8/24

1 stop5h 41m

Moline Quad-City

Wed 8/28

2 stops10h 15m

$293

Boise Air Term. Gowen FldChicago O'Hare Intl

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Mon 7/8

1 stop6h 46m

Chicago O'Hare Intl

Mon 7/15

1 stop6h 56m

$298

Boise Air Term. Gowen FldLambert-St Louis

BOI - STL

BOISTL

Boise Air Term. Gowen Fld

Sat 6/1

1 stop7h 57m

Lambert-St Louis

Sat 6/8

1 stop7h 24m

$358

Flights are sorted by cheapest first

Deals found on 5/2

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

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 May 4, 2024.
Read through reviews of airlines operating flights from Boise to Illinois, such as Spirit Airlines, American Airlines and Delta. 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
8.1
Very good
9,128 reviews
Check prices

Boarding

8.2

Overall

8.1

Entertainment

7.3

Comfort

7.9

Crew

8.6

Food

7.3

Reviews

1 / 10

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

Alaska Airlines
8.1
Very good
9,128 reviews
Alaska Airlines
8.1
Very good
9,128 reviews
Check prices

Boarding

8.2

Overall

8.1

Entertainment

7.3

Comfort

7.9

Crew

8.6

Food

7.3

Reviews

1 / 10

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

Delta
8.1
Very good
10,848 reviews
Alaska Airlines
8.1
Very good
9,128 reviews
Check prices

Boarding

8.2

Overall

8.1

Entertainment

7.3

Comfort

7.9

Crew

8.6

Food

7.3

Reviews

1 / 10

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

United Airlines
7.4
Good
11,134 reviews
Alaska Airlines
8.1
Very good
9,128 reviews
Check prices

Boarding

8.2

Overall

8.1

Entertainment

7.3

Comfort

7.9

Crew

8.6

Food

7.3

Reviews

1 / 10

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

American Airlines
7.3
Good
14,755 reviews
Alaska Airlines
8.1
Very good
9,128 reviews
Check prices

Boarding

8.2

Overall

8.1

Entertainment

7.3

Comfort

7.9

Crew

8.6

Food

7.3

Reviews

1 / 10

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

Spirit Airlines
6.4
Okay
8,730 reviews
Alaska Airlines
8.1
Very good
9,128 reviews
Check prices

Boarding

8.2

Overall

8.1

Entertainment

7.3

Comfort

7.9

Crew

8.6

Food

7.3

Reviews

1 / 10

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

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 $164, but on average you can expect to pay $232.

  • Are there nonstop flights from Boise to Illinois for under $400 on Cheapflights?

    Cheapflights has at least 20 direct flights from Boise to Illinois under $400. A good price for a nonstop flight from Boise to Illinois is less than $595.

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

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

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

    One-way options have recently been found by users for as low as $53 on Spirit Airlines. Other airlines that offer cheap prices include Delta from $124 and Alaska Airlines from $152 one-way.

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

    Most travelers choose Boise Air Term. Gowen Fld - Chicago O'Hare Intl, Boise Air Term. Gowen Fld - Chicago Midway or Boise Air Term. Gowen Fld - Lambert-St Louis when deciding on the best route from Boise to Illinois.

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

    Consider American Airlines, Alaska Airlines or Delta when booking your flight. These represent the most popular airlines when flying from Boise to Illinois.

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

    Consider Air Canada (94%), Lufthansa (91%) or Emirates (89%) 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 $1,109, 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 $141.

  • 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).

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

    The amount of baggage you can bring on your Boise to Illinois 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 Boise to Illinois with specific airlines?

    Yes, Cheapflights allows you to browse and filter Boise to Illinois 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 Boise to Illinois that include hotel bookings?

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

  • How can I find direct flights from Boise to Illinois?

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

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

    Yes. Cheapflights offers flight deals from Boise to Illinois 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 Boise to Illinois that allow pets onboard?

    Many airlines flying from Boise to Illinois 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 Boise to Illinois?

    Yes, you can often find last-minute deals on Boise to Illinois 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 Boise to Illinois flight deals updated?

    The Boise to Illinois flight deals you see on this page were last updated on 5/3.

See more FAQs

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Alternative routes for Boise to Illinois
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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 2,864,334 searches. Data last updated May 4, 2024.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$139Average$338FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
Spirit AirlinesCheapest$156Average$244FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
DeltaCheapest$185Average$347FlexibilityNo cancel feeOn-timeN/A
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United AirlinesCheapest$205Average$614FlexibilityNo cancel feeOn-time69%
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Find flights from Boise to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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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 May 4, 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
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