Cheap flights from Illinois to Boise (BOI) 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.
ORD — BOI
May 13 — May 201
From?
To?
1 adult, Economy
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How far in advance should I book a flight from Illinois to Boise?
To save up to 110% on this flight, we recommend booking at least 51 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Illinois to Boise from $345 1-2 weeks out and tickets from $457 for flights departing within the next 72 hours.
What is the cheapest month to fly from Illinois to Boise?
The best pricing can be found in the month of November. Prices to Boise from Illinois average $388. You can even find prices in November for less than $388, as users have found deals to Boise from as low as $121. The month of June appears to be one of the more expensive times to travel to Boise from Illinois. Flying in the targeted month can save you up to 23%.
When is the cheapest time to fly from Illinois to Boise (IL - BOI)?
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Boise as you normally would.
Cheap Spirit Airlines flights from Illinois to Boise
Explore cheap flight options specifically provided by Spirit Airlines for the route between Illinois and Boise. 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 2,749,864 searches. Data last updated May 8, 2024.
Peruse some of the lowest-priced Spirit Airlines flights we've found from Illinois to Boise. It's recommended that users confirm their 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 6/410:52 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
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
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
Tue 6/47:00 amORD - BOI
2 stops14h 25mSpirit Airlines
Tue 6/115:39 pmBOI - ORD
2 stops11h 10mSpirit Airlines
Deal found 5/7$183
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
Tue 6/46:40 pmORD - BOI
3 stops26h 30mSpirit Airlines
Tue 6/115:39 pmBOI - ORD
2 stops11h 10mSpirit Airlines
Deal found 5/7$195
Sat 6/17:30 amORD - BOI
1 stop13h 55mSpirit Airlines
Sat 6/81:43 pmBOI - ORD
1 stop6h 34mSpirit Airlines
Deal found 5/7$199
Cheap United Airlines flights from Illinois to Boise
Explore cheap flight options specifically provided by United Airlines for the route between Illinois and Boise. 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 2,749,864 searches. Data last updated May 8, 2024.
To aid your search, here are some of the cheapest United Airlines flights we've found from Illinois to Boise. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.
Sat 7/135:16 amORD - BOI
1 stop5h 24mUnited Airlines
Tue 7/165:27 pmBOI - ORD
1 stop5h 32mUnited Airlines
Deal found 5/7$248
Sat 6/18:45 amORD - BOI
Nonstop3h 52mUnited Airlines
Sat 6/85:35 pmBOI - ORD
1 stop5h 24mUnited Airlines
Deal found 5/7$318
Sat 5/257:35 pmORD - BOI
Nonstop4h 02mUnited Airlines
Sat 6/15:35 pmBOI - ORD
1 stop5h 24mUnited Airlines
Deal found 5/7$338
Fri 7/128:45 amORD - BOI
Nonstop3h 50mUnited Airlines
Mon 7/155:27 pmBOI - ORD
1 stop5h 32mUnited Airlines
Deal found 5/7$380
Fri 10/43:55 pmORD - BOI
1 stop6h 29mUnited Airlines
Sun 10/68:21 amBOI - ORD
Nonstop3h 44mUnited Airlines
Deal found 5/7$396
Sat 6/18:45 amORD - BOI
Nonstop3h 52mUnited Airlines
Sat 6/812:34 pmBOI - ORD
Nonstop3h 31mUnited Airlines
Deal found 5/7$399
Tue 5/288:45 amORD - BOI
Nonstop3h 52mUnited Airlines
Mon 6/35:35 pmBOI - ORD
1 stop5h 24mUnited Airlines
Deal found 5/7$408
Sat 5/258:45 amORD - BOI
Nonstop3h 52mUnited Airlines
Sat 6/112:34 pmBOI - ORD
Nonstop3h 31mUnited Airlines
Deal found 5/7$419
Thu 8/18:45 amORD - BOI
Nonstop3h 50mUnited Airlines
Thu 8/155:27 pmBOI - ORD
1 stop5h 32mUnited Airlines
Deal found 5/7$433
Cheap Illinois to Boise flights in May & June 2024
Find cheap flight options from Illinois to Boise specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,749,864 searches. Prices were last updated on May 8, 2024.
The lowest fares we've come across on flights traveling from Illinois to Boise in May and June 2024. Check back soon for alternative fares.
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
Sun 6/98:35 pmORD - BOI
1 stop5h 22mDelta
Sat 6/155:30 amBOI - ORD
1 stop5h 14mDelta
Deal found 5/6$258
Thu 6/135:45 pmMDW - BOI
2 stops8h 12mDelta
Mon 6/175:30 amBOI - MDW
2 stops10h 34mDelta
Deal found 5/6$268
Fri 5/178:00 pmORD - BOI
2 stops25h 25mMultiple Airlines
Mon 5/209:15 pmBOI - ORD
2 stops17h 43mMultiple Airlines
Deal found 5/7$283
Thu 6/612:32 pmORD - BOI
1 stop8h 51mSpirit Airlines
Sun 6/99:13 pmBOI - ORD
1 stop8h 11mSpirit Airlines
Deal found 5/7$285
Sun 6/96:40 pmORD - BOI
3 stops24h 49mSpirit Airlines
Mon 6/109:13 pmBOI - ORD
1 stop8h 23mSpirit Airlines
Deal found 5/7$286
Illinois to Boise 2024 flight deals
Discover exclusive flight deals for travel between Illinois and Boise in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,749,864 searches. Data last updated May 8, 2024.
The lowest fares we've come across on flights traveling from Illinois to Boise in May and June 2024. Check back soon for alternative fares.
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 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
Wed 7/171:18 pmORD - BOI
1 stop8h 59mSpirit Airlines
Sat 7/209:46 amBOI - ORD
1 stop11h 12mSpirit Airlines
Deal found 5/7$256
Sun 6/98:35 pmORD - BOI
1 stop5h 22mDelta
Sat 6/155:30 amBOI - ORD
1 stop5h 14mDelta
Deal found 5/6$258
Thu 6/135:45 pmMDW - BOI
2 stops8h 12mDelta
Mon 6/175:30 amBOI - MDW
2 stops10h 34mDelta
Deal found 5/6$268
Thu 8/157:30 amORD - BOI
1 stop7h 20mDelta
Sun 8/187:30 amBOI - ORD
1 stop9h 21mDelta
Deal found 5/7$278
Non-stop flights to Boise from Illinois
Discover non-stop flight options from Illinois to Boise. 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 2,749,864 searches. Data last updated May 8, 2024.
For a quicker trip, book one of these direct flights from Illinois to Boise. Users seeking other options on flights from Illinois to Boise should update the search form at the top of the page.
Sat 6/18:45 amORD - BOI
Nonstop3h 52mUnited Airlines
Sat 6/812:34 pmBOI - ORD
Nonstop3h 31mUnited Airlines
Deal found 5/7$399
Sat 5/258:45 amORD - BOI
Nonstop3h 52mUnited Airlines
Sat 6/112:34 pmBOI - ORD
Nonstop3h 31mUnited Airlines
Deal found 5/7$419
Sat 5/117:40 pmORD - BOI
Nonstop4h 05mUnited Airlines
Sun 11/108:40 amBOI - ORD
Nonstop3h 31mUnited Airlines
Deal found 5/7$474
Sat 7/208:45 amORD - BOI
Nonstop3h 50mUnited Airlines
Thu 7/2512:37 pmBOI - ORD
Nonstop3h 30mUnited Airlines
Deal found 5/7$486
Wed 6/58:45 amORD - BOI
Nonstop3h 52mUnited Airlines
Wed 6/1212:34 pmBOI - ORD
Nonstop3h 31mUnited Airlines
Deal found 5/7$489
Fri 6/78:45 amORD - BOI
Nonstop3h 52mUnited Airlines
Sun 6/912:34 pmBOI - ORD
Nonstop3h 31mUnited Airlines
Deal found 5/7$512
Sat 5/117:40 pmORD - BOI
Nonstop4h 05mUnited Airlines
Tue 5/1412:33 pmBOI - ORD
Nonstop3h 37mUnited Airlines
Deal found 5/7$514
Tue 7/27:35 pmORD - BOI
Nonstop4h 01mUnited Airlines
Sat 7/68:30 amBOI - ORD
Nonstop3h 40mUnited Airlines
Deal found 5/7$531
Tue 8/68:45 amORD - BOI
Nonstop3h 50mUnited Airlines
Sun 8/1112:37 pmBOI - ORD
Nonstop3h 30mUnited Airlines
Deal found 5/7$538
Illinois to Boise flights leaving soon
Find last-minute flight options from Illinois to Boise 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 2,749,864 searches. Data last updated May 8, 2024.
Users seeking a last-minute flight from Illinois to Boise should consider booking one of these fares. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.
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
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
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
Wed 5/1511:36 amSTL - BOI
1 stop9h 20mMultiple Airlines
Sun 5/1912:15 pmBOI - STL
2 stops25h 59mMultiple Airlines
Deal found 5/7$289
Fri 5/178:00 pmORD - BOI
2 stops21h 04mMultiple Airlines
Mon 5/205:20 pmBOI - ORD
3 stops39h 35mMultiple Airlines
Deal found 5/7$305
Tue 5/149:36 amORD - BOI
1 stop7h 54mSpirit Airlines
Wed 5/158:46 pmBOI - ORD
1 stop8h 54mSpirit Airlines
Deal found 5/7$312
Fri 5/174:05 pmSTL - BOI
1 stop29h 20mMultiple Airlines
Sun 5/196:15 pmBOI - STL
1 stop19h 59mMultiple Airlines
Deal found 5/7$312
Thu 5/168:00 pmORD - BOI
2 stops25h 25mMultiple Airlines
Tue 5/289:15 pmBOI - ORD
3 stops37h 57mMultiple Airlines
Deal found 5/7$314
Thu 5/168:00 pmORD - BOI
2 stops25h 25mMultiple Airlines
Tue 5/289:15 pmBOI - ORD
2 stops13h 57mMultiple Airlines
Deal found 5/7$317
One-way flights to Boise from Illinois
Search for one-way flight options from Illinois to Boise. 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 2,749,864 searches. Data last updated May 8, 2024.
Users in need of a one-way flight from Illinois to Boise can choose from these deals. Users needing a return flight from Illinois to Boise should utilize the search form 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
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
Tue 6/1110:58 pmORD - BOI
2 stops22h 12mSpirit Airlines
Deal found 5/7$127
Mon 7/159:20 amMDW - BOI
1 stop5h 48mDelta
Deal found 5/7$129
Find flights from Illinois to Boise within your budget
Customize your flight search to find flights from Illinois to Boise 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 2,749,864 searches. Data last updated May 8, 2024.
Fly from
Any airport
Fly to
Any airport
Budget
$120 - $304
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 stop17h 21m
Boise Air Term. Gowen Fld
Tue 6/11
1 stop11h 57m
$150
Chicago O'Hare IntlBoise Air Term. Gowen Fld
ORD - BOI
ORDBOI
Chicago O'Hare Intl
Tue 6/4
1 stop17h 21m
Boise Air Term. Gowen Fld
Tue 6/11
2 stops16h 53m
$161
Chicago O'Hare IntlBoise Air Term. Gowen Fld
ORD - BOI
ORDBOI
Chicago O'Hare Intl
Wed 6/5
2 stops14h 10m
Boise Air Term. Gowen Fld
Wed 6/12
1 stop8h 11m
$167
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
Sat 7/13
1 stop5h 24m
Boise Air Term. Gowen Fld
Tue 7/16
1 stop5h 32m
$248
Chicago O'Hare IntlBoise Air Term. Gowen Fld
ORD - BOI
ORDBOI
Chicago O'Hare Intl
Sun 6/9
1 stop5h 22m
Boise Air Term. Gowen Fld
Sat 6/15
1 stop5h 14m
$258
Chicago O'Hare IntlBoise Air Term. Gowen Fld
ORD - BOI
ORDBOI
Chicago O'Hare Intl
Fri 6/28
1 stop21h 32m
Boise Air Term. Gowen Fld
Sat 7/6
1 stop24h 45m
$287
Lambert-St LouisBoise Air Term. Gowen Fld
STL - BOI
STLBOI
Lambert-St Louis
Wed 6/5
1 stop6h 33m
Boise Air Term. Gowen Fld
Wed 6/12
1 stop6h 24m
$304
No data available for this route at this time. Please check back soon.
Reviews of airlines servicing Boise
Get insights into the airlines that provide service to Boise. 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 Boise. Reviews last updated May 8, 2024.
Peruse reviews from past customers who have flown with Spirit Airlines, United Airlines and Delta from Illinois to Boise to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
9,147 reviews
Food
7.3
Boarding
8.2
Crew
8.6
Comfort
7.9
Overall
8.1
Entertainment
7.3
Reviews
1 / 10
Paid a lot for our exit row seats and they weren’t that roomy.
9,147 reviews
9,147 reviews
Food
7.3
Boarding
8.2
Crew
8.6
Comfort
7.9
Overall
8.1
Entertainment
7.3
Reviews
1 / 10
Paid a lot for our exit row seats and they weren’t that roomy.
10,810 reviews
9,147 reviews
Food
7.3
Boarding
8.2
Crew
8.6
Comfort
7.9
Overall
8.1
Entertainment
7.3
Reviews
1 / 10
Paid a lot for our exit row seats and they weren’t that roomy.
11,073 reviews
9,147 reviews
Food
7.3
Boarding
8.2
Crew
8.6
Comfort
7.9
Overall
8.1
Entertainment
7.3
Reviews
1 / 10
Paid a lot for our exit row seats and they weren’t that roomy.
14,686 reviews
9,147 reviews
Food
7.3
Boarding
8.2
Crew
8.6
Comfort
7.9
Overall
8.1
Entertainment
7.3
Reviews
1 / 10
Paid a lot for our exit row seats and they weren’t that roomy.
640 reviews
9,147 reviews
Food
7.3
Boarding
8.2
Crew
8.6
Comfort
7.9
Overall
8.1
Entertainment
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 Illinois to Boise. 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 Illinois to BoiseSee 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 Illinois to Boise
Discover the top 5 airlines that operate flights from Illinois to Boise. 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 2,749,864 searches. Data last updated May 8, 2024.
Search flights from Illinois to Boise by cabin class
Find flights from Illinois to Boise, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Hourly flight availability from Illinois to Boise
Find hourly flight availability from Illinois to Boise. 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.
| 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 |
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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