Cheap flights from Boise (BOI) to Illinois from $54
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 6/25. 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
Jun 2 — Jun 91
From?
To?
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 22 days early can save you up to 244% on average compared to booking a flight this week. If booking 22 days before your flight isn’t an option for you, users have found flights from Boise to Illinois for as little as $325 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 $475 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 April. Prices are generally better when you fly from Boise to Illinois in September, with the cheapest ticket starting at $129.
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 2,740,132 searches. Data last updated May 28, 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
Thu 6/69:13 pmBOI - STL
1 stop16h 03mSpirit Airlines
Mon 6/102:41 pmSTL - BOI
1 stop26h 58mSpirit Airlines
Deal found 5/28$185
Thu 6/69:13 pmBOI - STL
1 stop16h 03mSpirit Airlines
Mon 6/102:41 pmSTL - BOI
1 stop6h 42mSpirit Airlines
Deal found 5/27$191
Thu 9/59:35 pmBOI - ORD
1 stop8h 01mSpirit Airlines
Tue 9/109:36 amORD - BOI
1 stop13h 33mSpirit Airlines
Deal found 5/27$194
Tue 6/259:13 pmBOI - STL
1 stop14h 52mSpirit Airlines
Fri 7/124:02 pmSTL - BOI
1 stop21h 13mSpirit Airlines
Deal found 5/27$202
Mon 9/1610:59 pmBOI - ORD
1 stop6h 37mSpirit Airlines
Wed 9/189:36 amORD - BOI
1 stop13h 33mSpirit Airlines
Deal found 5/27$221
Tue 6/255:39 pmBOI - ORD
1 stop11h 57mSpirit Airlines
Tue 7/29:36 amORD - BOI
1 stop11h 47mSpirit Airlines
Deal found 5/26$225
Tue 6/119:13 pmBOI - STL
1 stop14h 52mSpirit Airlines
Wed 6/191:55 pmSTL - BOI
1 stop7h 15mSpirit Airlines
Deal found 5/27$227
Tue 9/310:59 pmBOI - ORD
1 stop6h 31mSpirit Airlines
Wed 9/111:13 pmORD - BOI
1 stop9h 56mSpirit Airlines
Deal found 5/27$230
Tue 6/185:39 pmBOI - ORD
1 stop11h 57mSpirit Airlines
Mon 7/112:32 pmORD - BOI
1 stop29h 07mSpirit Airlines
Deal found 5/27$233
Cheap United Airlines flights from Boise to Illinois
Explore cheap flight options specifically provided by United 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 2,740,132 searches. Data last updated May 28, 2024.
Some of the best deals we've found on United Airlines flights traveling from Boise to Illinois. Make sure to examine the flight information before completing your reservation.
Fri 7/125:27 pmBOI - ORD
1 stop5h 32mUnited Airlines
Sat 7/135:16 amORD - BOI
1 stop5h 24mUnited Airlines
Deal found 5/27$248
Sun 8/185:43 pmBOI - ORD
1 stop5h 16mUnited Airlines
Sat 8/247:40 pmORD - BOI
Nonstop3h 55mUnited Airlines
Deal found 5/28$319
Tue 6/255:35 pmBOI - ORD
1 stop5h 24mUnited Airlines
Tue 7/28:45 amORD - BOI
Nonstop3h 50mUnited Airlines
Deal found 5/27$329
Wed 7/175:27 pmBOI - ORD
1 stop5h 32mUnited Airlines
Sun 7/218:45 amORD - BOI
Nonstop3h 50mUnited Airlines
Deal found 5/27$349
Sat 8/105:43 pmBOI - ORD
1 stop5h 16mUnited Airlines
Thu 8/158:45 amORD - BOI
Nonstop3h 50mUnited Airlines
Deal found 5/27$369
Fri 6/145:35 pmBOI - ORD
1 stop5h 24mUnited Airlines
Sat 6/157:35 pmORD - BOI
Nonstop4h 02mUnited Airlines
Deal found 5/27$389
Mon 6/245:35 pmBOI - ORD
1 stop5h 24mUnited Airlines
Sat 6/298:45 amORD - BOI
Nonstop3h 50mUnited Airlines
Deal found 5/27$399
Sat 6/812:34 pmBOI - ORD
Nonstop3h 31mUnited Airlines
Sat 6/155:04 amORD - BOI
1 stop5h 37mUnited Airlines
Deal found 5/27$405
Fri 6/215:35 pmBOI - ORD
1 stop5h 24mUnited Airlines
Sat 6/227:35 pmORD - BOI
Nonstop4h 02mUnited Airlines
Deal found 5/28$409
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 2,740,132 searches. Prices were last updated on May 28, 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.
Thu 6/69:13 pmBOI - STL
1 stop16h 03mSpirit Airlines
Mon 6/102:41 pmSTL - BOI
1 stop26h 58mSpirit Airlines
Deal found 5/28$185
Thu 6/69:13 pmBOI - STL
1 stop16h 03mSpirit Airlines
Mon 6/102:41 pmSTL - BOI
1 stop6h 42mSpirit Airlines
Deal found 5/27$191
Tue 6/259:13 pmBOI - STL
1 stop14h 52mSpirit Airlines
Fri 7/124:02 pmSTL - BOI
1 stop21h 13mSpirit Airlines
Deal found 5/27$202
Tue 6/119:13 pmBOI - STL
1 stop14h 52mSpirit Airlines
Wed 6/191:55 pmSTL - BOI
1 stop7h 15mSpirit Airlines
Deal found 5/27$227
Thu 6/139:13 pmBOI - STL
1 stop16h 03mSpirit Airlines
Mon 6/172:41 pmSTL - BOI
1 stop26h 58mSpirit Airlines
Deal found 5/27$252
Tue 6/119:13 pmBOI - STL
1 stop14h 52mSpirit Airlines
Mon 6/172:41 pmSTL - BOI
1 stop26h 58mSpirit Airlines
Deal found 5/27$261
Wed 6/129:13 pmBOI - STL
3 stops18h 32mMultiple Airlines
Wed 6/191:55 pmSTL - BOI
1 stop7h 15mMultiple Airlines
Deal found 5/27$263
Fri 6/79:13 pmBOI - ORD
1 stop8h 11mSpirit Airlines
Sun 6/98:26 pmORD - BOI
2 stops24h 57mSpirit Airlines
Deal found 5/28$265
Fri 6/79:13 pmBOI - ORD
1 stop8h 11mSpirit Airlines
Mon 6/109:54 amORD - BOI
1 stop11h 29mSpirit Airlines
Deal found 5/28$266
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 2,740,132 searches. Data last updated May 28, 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.
Fri 9/1310:59 pmBOI - STL
1 stop15h 42mSpirit Airlines
Mon 9/163:02 pmSTL - BOI
1 stop26h 28mSpirit Airlines
Deal found 5/27$176
Thu 9/510:59 pmBOI - STL
1 stop14h 13mSpirit Airlines
Wed 9/1111:36 amSTL - BOI
1 stop11h 33mSpirit Airlines
Deal found 5/27$180
Thu 6/69:13 pmBOI - STL
1 stop16h 03mSpirit Airlines
Mon 6/102:41 pmSTL - BOI
1 stop26h 58mSpirit Airlines
Deal found 5/28$185
Thu 6/69:13 pmBOI - STL
1 stop16h 03mSpirit Airlines
Mon 6/102:41 pmSTL - BOI
1 stop6h 42mSpirit Airlines
Deal found 5/27$191
Tue 6/259:13 pmBOI - STL
1 stop14h 52mSpirit Airlines
Fri 7/124:02 pmSTL - BOI
1 stop21h 13mSpirit Airlines
Deal found 5/27$202
Tue 6/119:13 pmBOI - STL
1 stop14h 52mSpirit Airlines
Wed 6/191:55 pmSTL - BOI
1 stop7h 15mSpirit Airlines
Deal found 5/27$227
Thu 6/139:13 pmBOI - STL
1 stop16h 03mSpirit Airlines
Mon 6/172:41 pmSTL - BOI
1 stop26h 58mSpirit Airlines
Deal found 5/27$252
Tue 8/65:40 amBOI - MDW
1 stop7h 03mDelta
Mon 8/127:20 pmMDW - BOI
1 stop5h 50mDelta
Deal found 5/27$257
Tue 6/119:13 pmBOI - STL
1 stop14h 52mSpirit Airlines
Mon 6/172:41 pmSTL - BOI
1 stop26h 58mSpirit Airlines
Deal found 5/27$261
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 2,740,132 searches. Data last updated May 28, 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.
Sun 8/1812:37 pmBOI - ORD
Nonstop3h 30mUnited Airlines
Sat 8/247:40 pmORD - BOI
Nonstop3h 55mUnited Airlines
Deal found 5/28$424
Sat 6/812:34 pmBOI - ORD
Nonstop3h 31mUnited Airlines
Sat 6/158:45 amORD - BOI
Nonstop3h 52mUnited Airlines
Deal found 5/27$426
Sat 6/112:34 pmBOI - ORD
Nonstop3h 31mUnited Airlines
Sat 6/157:35 pmORD - BOI
Nonstop4h 02mUnited Airlines
Deal found 5/28$444
Fri 6/1412:34 pmBOI - ORD
Nonstop3h 31mUnited Airlines
Thu 6/208:45 amORD - BOI
Nonstop3h 52mUnited Airlines
Deal found 5/26$445
Fri 6/712:34 pmBOI - ORD
Nonstop3h 31mUnited Airlines
Sun 6/98:45 amORD - BOI
Nonstop3h 52mUnited Airlines
Deal found 5/27$449
Wed 7/1712:37 pmBOI - ORD
Nonstop3h 30mUnited Airlines
Sun 7/218:45 amORD - BOI
Nonstop3h 50mUnited Airlines
Deal found 5/27$450
Tue 6/258:32 amBOI - ORD
Nonstop3h 42mUnited Airlines
Tue 7/28:45 amORD - BOI
Nonstop3h 50mUnited Airlines
Deal found 5/27$458
Fri 6/712:34 pmBOI - ORD
Nonstop3h 31mUnited Airlines
Sun 6/98:45 amORD - BOI
Nonstop3h 52mUnited Airlines
Deal found 5/28$470
Sat 6/112:34 pmBOI - ORD
Nonstop3h 31mUnited Airlines
Sat 6/158:45 amORD - BOI
Nonstop3h 52mUnited Airlines
Deal found 5/27$474
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 2,740,132 searches. Data last updated May 28, 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.
Thu 6/69:13 pmBOI - STL
1 stop16h 03mSpirit Airlines
Mon 6/102:41 pmSTL - BOI
1 stop26h 58mSpirit Airlines
Deal found 5/28$185
Thu 6/69:13 pmBOI - STL
1 stop16h 03mSpirit Airlines
Mon 6/102:41 pmSTL - BOI
1 stop6h 42mSpirit Airlines
Deal found 5/27$191
Fri 6/79:13 pmBOI - ORD
1 stop8h 11mSpirit Airlines
Sun 6/98:26 pmORD - BOI
2 stops24h 57mSpirit Airlines
Deal found 5/28$265
Fri 6/79:13 pmBOI - ORD
1 stop8h 11mSpirit Airlines
Mon 6/109:54 amORD - BOI
1 stop11h 29mSpirit Airlines
Deal found 5/28$266
Thu 6/67:27 pmBOI - STL
2 stops20h 44mMultiple Airlines
Mon 6/102:41 pmSTL - BOI
1 stop6h 42mMultiple Airlines
Deal found 5/27$271
Fri 6/77:19 pmBOI - ORD
1 stop10h 05mSpirit Airlines
Mon 6/108:26 pmORD - BOI
3 stops24h 57mSpirit Airlines
Deal found 5/28$274
Fri 6/79:13 pmBOI - ORD
1 stop8h 11mSpirit Airlines
Sun 6/98:26 pmORD - BOI
2 stops24h 57mSpirit Airlines
Deal found 5/27$281
Mon 6/35:20 pmBOI - ORD
2 stops29h 09mSpirit Airlines
Wed 6/58:26 pmORD - BOI
2 stops23h 11mSpirit Airlines
Deal found 5/27$284
Fri 6/77:19 pmBOI - ORD
1 stop10h 05mSpirit Airlines
Sun 6/98:26 pmORD - BOI
2 stops24h 57mSpirit Airlines
Deal found 5/28$294
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 2,740,132 searches. Data last updated May 28, 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 6/259:13 pmBOI - STL
1 stop14h 52mSpirit Airlines
Deal found 5/27$54
Tue 8/136:15 pmBOI - ORD
1 stop11h 15mSpirit Airlines
Deal found 5/26$100
Tue 6/185:39 pmBOI - ORD
1 stop11h 57mSpirit Airlines
Deal found 5/27$107
Tue 6/49:15 pmBOI - ORD
1 stop8h 21mSpirit Airlines
Deal found 5/27$115
Tue 6/189:13 pmBOI - ORD
2 stops31h 47mSpirit Airlines
Deal found 5/27$119
Tue 8/136:15 pmBOI - ORD
2 stops34h 45mSpirit Airlines
Deal found 5/26$121
Sat 6/89:13 pmBOI - ORD
1 stop8h 11mSpirit Airlines
Deal found 5/27$122
Mon 7/2911:39 pmBOI - ORD
1 stop7h 33mDelta
Deal found 5/28$124
Mon 7/297:59 pmBOI - ORD
2 stops10h 31mDelta
Deal found 5/28$129
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 2,740,132 searches. Data last updated May 28, 2024.
Fly from
Any airport
Fly to
Any airport
Budget
$185 - $295
Route
Depart
Return
Price
Boise Air Term. Gowen FldLambert-St Louis
BOI - STL
BOISTL
Boise Air Term. Gowen Fld
Thu 6/6
1 stop16h 03m
Lambert-St Louis
Mon 6/10
1 stop26h 58m
$185
Boise Air Term. Gowen FldLambert-St Louis
BOI - STL
BOISTL
Boise Air Term. Gowen Fld
Thu 6/6
1 stop16h 03m
Lambert-St Louis
Mon 6/10
1 stop6h 42m
$191
Boise Air Term. Gowen FldChicago O'Hare Intl
BOI - ORD
BOIORD
Boise Air Term. Gowen Fld
Thu 9/5
1 stop8h 01m
Chicago O'Hare Intl
Tue 9/10
1 stop13h 33m
$194
Boise Air Term. Gowen FldLambert-St Louis
BOI - STL
BOISTL
Boise Air Term. Gowen Fld
Tue 6/25
1 stop14h 52m
Lambert-St Louis
Fri 7/12
1 stop21h 13m
$202
Boise Air Term. Gowen FldChicago O'Hare Intl
BOI - ORD
BOIORD
Boise Air Term. Gowen Fld
Tue 6/25
1 stop11h 57m
Chicago O'Hare Intl
Tue 7/2
1 stop24h 15m
$235
Boise Air Term. Gowen FldChicago O'Hare Intl
BOI - ORD
BOIORD
Boise Air Term. Gowen Fld
Thu 8/29
2 stops7h 57m
Chicago O'Hare Intl
Tue 9/3
1 stop5h 45m
$242
Boise Air Term. Gowen FldChicago O'Hare Intl
BOI - ORD
BOIORD
Boise Air Term. Gowen Fld
Fri 7/12
1 stop5h 32m
Chicago O'Hare Intl
Sat 7/13
1 stop5h 24m
$248
Boise Air Term. Gowen FldChicago O'Hare Intl
BOI - ORD
BOIORD
Boise Air Term. Gowen Fld
Fri 6/14
1 stop7h 08m
Chicago O'Hare Intl
Sun 6/16
1 stop7h 00m
$288
Boise Air Term. Gowen FldChicago O'Hare Intl
BOI - ORD
BOIORD
Boise Air Term. Gowen Fld
Tue 9/3
2 stops20h 20m
Chicago O'Hare Intl
Wed 9/11
1 stop9h 24m
$295
No data available for this route at this time. Please check back soon.
Best time to book a flight from Boise to Illinois
Have a flexible travel schedule? Discover the best time to fly to Illinois from Boise 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.
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 28, 2024.
Read through reviews of airlines operating flights from Boise to Illinois, such as Spirit Airlines, United Airlines 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.
9,194 reviews
Overall
8.1
Comfort
7.9
Food
7.3
Boarding
8.2
Entertainment
7.3
Crew
8.6
Reviews
1 / 10
Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.
9,194 reviews
9,194 reviews
Overall
8.1
Comfort
7.9
Food
7.3
Boarding
8.2
Entertainment
7.3
Crew
8.6
Reviews
1 / 10
Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.
10,476 reviews
9,194 reviews
Overall
8.1
Comfort
7.9
Food
7.3
Boarding
8.2
Entertainment
7.3
Crew
8.6
Reviews
1 / 10
Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.
10,799 reviews
9,194 reviews
Overall
8.1
Comfort
7.9
Food
7.3
Boarding
8.2
Entertainment
7.3
Crew
8.6
Reviews
1 / 10
Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.
14,316 reviews
9,194 reviews
Overall
8.1
Comfort
7.9
Food
7.3
Boarding
8.2
Entertainment
7.3
Crew
8.6
Reviews
1 / 10
Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.
597 reviews
9,194 reviews
Overall
8.1
Comfort
7.9
Food
7.3
Boarding
8.2
Entertainment
7.3
Crew
8.6
Reviews
1 / 10
Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.
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.
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Alternative routes for Boise to IllinoisSee prices for flight routes from nearby airports that may be better suited for you.
See prices for flight routes from nearby airports that may be better suited for you.
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 2,740,132 searches. Data last updated May 28, 2024.
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 May 28, 2024.
| 0%of flight departures | Early morningMidnight to 6 am |
|---|---|
| 100%of flight departures | Morning6 am to noon |
| 0%of flight departures | AfternoonNoon to 6 pm |
| 0%of flight departures | Evening6 pm to midnight |
Midnight
6 AM
Noon
6 PM
Book a flight to one of these trending destinations
User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
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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!
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