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Cheap flights from Boise (BOI) to Illinois from $101

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 9/25. 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. 22 — jun. 291
From?
To?
sáb. 6/22
sáb. 6/29
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 220% 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 $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 $442 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.

What is the cheapest time of day to fly from BOI to 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 Boise to Illinois flights in June & July 2024

Find cheap flight options from Boise to Illinois specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,263,674 searches. Prices were last updated on junio 17, 2024.
The lowest fares we've come across on flights traveling from Boise to Illinois in June and July 2024. If these deals don't appeal to you, be sure to come back soon for more options.
mié. 7/107:28 pmBOI - ORD
1 stop9h 38mSpirit Airlines
lun. 7/158:34 pmORD - BOI
2 stops21h 56mSpirit Airlines
Deal found 6/16$200
mié. 7/107:28 pmBOI - ORD
1 stop9h 38mSpirit Airlines
mié. 7/179:19 amORD - BOI
1 stop10h 09mSpirit Airlines
Deal found 6/16$203
mié. 7/107:28 pmBOI - ORD
1 stop9h 38mSpirit Airlines
lun. 7/1510:14 amORD - BOI
1 stop26h 59mSpirit Airlines
Deal found 6/16$217
vie. 7/59:13 pmBOI - ORD
1 stop8h 11mSpirit Airlines
vie. 7/126:19 pmORD - BOI
1 stop15h 37mSpirit Airlines
Deal found 6/17$222
mié. 7/241:03 pmBOI - ORD
1 stop8h 16mSpirit Airlines
mié. 7/319:19 amORD - BOI
1 stop10h 09mSpirit Airlines
Deal found 6/15$223
sáb. 7/209:46 amBOI - ORD
1 stop11h 33mSpirit Airlines
mar. 7/239:49 amORD - BOI
1 stop8h 41mSpirit Airlines
Deal found 6/16$230
mié. 7/101:03 pmBOI - ORD
2 stops23h 02mSpirit Airlines
lun. 7/158:34 pmORD - BOI
2 stops21h 56mSpirit Airlines
Deal found 6/16$233
mar. 7/302:48 pmBOI - ORD
1 stop8h 08mDelta
vie. 8/29:39 amORD - BOI
1 stop5h 46mDelta
Deal found 6/16$238
mié. 7/241:03 pmBOI - ORD
1 stop8h 16mSpirit Airlines
mié. 7/315:10 amORD - BOI
2 stops14h 18mSpirit Airlines
Deal found 6/15$241

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 3,263,674 searches. Data last updated junio 17, 2024.
The lowest fares we've come across on flights traveling from Boise to Illinois in June and July 2024. If these deals don't appeal to you, be sure to come back soon for more options.
jue. 9/199:49 pmBOI - ORD
1 stop7h 20mSpirit Airlines
lun. 9/2311:10 pmORD - BOI
1 stop13h 12mSpirit Airlines
Deal found 6/15$195
mié. 9/119:49 pmBOI - ORD
1 stop7h 20mSpirit Airlines
mié. 9/181:14 pmORD - BOI
1 stop8h 35mSpirit Airlines
Deal found 6/16$200
mié. 7/107:28 pmBOI - ORD
1 stop9h 38mSpirit Airlines
mié. 7/179:19 amORD - BOI
1 stop10h 09mSpirit Airlines
Deal found 6/16$203
mié. 9/119:49 pmBOI - ORD
1 stop7h 20mSpirit Airlines
sáb. 9/141:14 pmORD - BOI
1 stop8h 35mSpirit Airlines
Deal found 6/16$211
mié. 8/71:03 pmBOI - ORD
1 stop8h 16mSpirit Airlines
mar. 8/209:08 pmORD - BOI
2 stops14h 56mSpirit Airlines
Deal found 6/16$212
mié. 9/189:49 pmBOI - ORD
1 stop7h 20mSpirit Airlines
lun. 9/2311:10 pmORD - BOI
1 stop13h 12mSpirit Airlines
Deal found 6/17$213
mié. 7/107:28 pmBOI - ORD
1 stop9h 38mSpirit Airlines
lun. 7/1510:14 amORD - BOI
1 stop26h 59mSpirit Airlines
Deal found 6/16$217
mié. 8/77:28 pmBOI - ORD
1 stop9h 38mSpirit Airlines
mar. 8/2011:10 pmORD - BOI
1 stop12h 54mSpirit Airlines
Deal found 6/16$221
vie. 7/59:13 pmBOI - ORD
1 stop8h 11mSpirit Airlines
vie. 7/126:19 pmORD - BOI
1 stop15h 37mSpirit Airlines
Deal found 6/17$222

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 3,263,674 searches. Data last updated junio 17, 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.
mar. 6/259:13 pmBOI - STL
1 stop14h 52mMultiple Airlines
vie. 7/125:25 pmSTL - BOI
1 stop24h 49mMultiple Airlines
Deal found 6/16$262
mié. 6/263:59 pmBOI - STL
1 stop7h 00mAlaska Airlines
mié. 7/107:00 amSTL - BOI
1 stop8h 32mAlaska Airlines
Deal found 6/16$548
mié. 6/267:20 amBOI - STL
2 stops15h 39mAlaska Airlines
mié. 7/107:00 amSTL - BOI
1 stop9h 04mAlaska Airlines
Deal found 6/16$551
mar. 6/255:00 amBOI - STL
2 stops9h 41mUnited Airlines
vie. 7/124:36 pmSTL - BOI
1 stop6h 54mUnited Airlines
Deal found 6/16$627
mié. 6/265:00 amBOI - STL
2 stops8h 14mUnited Airlines
mié. 7/109:08 amSTL - BOI
2 stops14h 04mUnited Airlines
Deal found 6/16$747
mar. 6/255:00 amBOI - STL
2 stops8h 14mUnited Airlines
vie. 7/1211:25 amSTL - BOI
2 stops12h 05mUnited Airlines
Deal found 6/16$748

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 3,263,674 searches. Data last updated junio 17, 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.
mié. 9/259:49 pmBOI - STL
1 stop14h 15mSpirit Airlines
Deal found 6/16$101
mar. 6/259:13 pmBOI - STL
1 stop14h 52mSpirit Airlines
Deal found 6/16$107
lun. 8/125:30 amBOI - MDW
1 stop7h 13mDelta
Deal found 6/17$114
vie. 7/1912:51 amBOI - ORD
1 stop9h 11mAmerican Airlines
Deal found 6/16$114
mié. 7/247:59 pmBOI - MDW
2 stops11h 39mDelta
Deal found 6/17$118
sáb. 7/205:40 amBOI - MDW
2 stops10h 23mDelta
Deal found 6/16$119
lun. 7/297:59 pmBOI - ORD
2 stops10h 31mDelta
Deal found 6/17$119
sáb. 7/209:46 amBOI - ORD
2 stops19h 20mSpirit Airlines
Deal found 6/16$121
lun. 7/15:30 amBOI - MDW
1 stop4h 58mDelta
Deal found 6/16$124

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 3,263,674 searches. Data last updated junio 17, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$195 - $261

Route

Depart

Return

Price

Boise Air Term. Gowen FldChicago O'Hare Intl

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

jue. 9/19

1 stop7h 20m

Chicago O'Hare Intl

lun. 9/23

1 stop13h 12m

$195

Boise Air Term. Gowen FldChicago O'Hare Intl

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

mié. 9/11

1 stop7h 20m

Chicago O'Hare Intl

mié. 9/18

1 stop8h 35m

$200

Boise Air Term. Gowen FldChicago O'Hare Intl

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

mié. 7/10

1 stop9h 38m

Chicago O'Hare Intl

mié. 7/17

1 stop10h 09m

$203

Boise Air Term. Gowen FldChicago O'Hare Intl

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

sáb. 9/14

1 stop7h 28m

Chicago O'Hare Intl

mar. 9/17

1 stop7h 19m

$227

Boise Air Term. Gowen FldChicago O'Hare Intl

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

jue. 9/12

1 stop9h 23m

Chicago O'Hare Intl

lun. 9/16

1 stop9h 22m

$228

Boise Air Term. Gowen FldChicago Midway

BOI - MDW

BOIMDW

Boise Air Term. Gowen Fld

jue. 10/31

2 stops11h 05m

Chicago Midway

lun. 11/4

1 stop7h 29m

$233

Boise Air Term. Gowen FldChicago O'Hare Intl

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

jue. 8/15

1 stop5h 32m

Chicago O'Hare Intl

lun. 8/19

Nonstop3h 55m

$239

Boise Air Term. Gowen FldChicago O'Hare Intl

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

lun. 7/15

2 stops21h 26m

Chicago O'Hare Intl

lun. 7/22

2 stops21h 56m

$251

Boise Air Term. Gowen FldChicago O'Hare Intl

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

lun. 9/16

1 stop8h 35m

Chicago O'Hare Intl

mié. 9/18

1 stop10h 33m

$261

Flights are sorted by cheapest first

Deals found on 6/15

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 junio 17, 2024.
Read through reviews of airlines operating flights from Boise to Illinois, such as American Airlines, Spirit Airlines and United 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.
Alaska Airlines
8.1
Very good
9,278 reviews

Overall

8.1

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.6

Entertainment

7.3

Reviews

1 / 10

Great airline! I would fly with them again. Overall, very positive experience along every step of the way. I was so jazzed they offer direct flights from Denver to Anchorage! Great customer service.

Alaska Airlines
8.1
Very good
9,278 reviews
Alaska Airlines
8.1
Very good
9,278 reviews

Overall

8.1

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.6

Entertainment

7.3

Reviews

1 / 10

Great airline! I would fly with them again. Overall, very positive experience along every step of the way. I was so jazzed they offer direct flights from Denver to Anchorage! Great customer service.

Delta
8.0
Very good
10,000 reviews
Alaska Airlines
8.1
Very good
9,278 reviews

Overall

8.1

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.6

Entertainment

7.3

Reviews

1 / 10

Great airline! I would fly with them again. Overall, very positive experience along every step of the way. I was so jazzed they offer direct flights from Denver to Anchorage! Great customer service.

United Airlines
7.4
Good
10,000 reviews
Alaska Airlines
8.1
Very good
9,278 reviews

Overall

8.1

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.6

Entertainment

7.3

Reviews

1 / 10

Great airline! I would fly with them again. Overall, very positive experience along every step of the way. I was so jazzed they offer direct flights from Denver to Anchorage! Great customer service.

American Airlines
7.3
Good
10,000 reviews
Alaska Airlines
8.1
Very good
9,278 reviews

Overall

8.1

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.6

Entertainment

7.3

Reviews

1 / 10

Great airline! I would fly with them again. Overall, very positive experience along every step of the way. I was so jazzed they offer direct flights from Denver to Anchorage! Great customer service.

Spirit Airlines
6.4
Okay
8,522 reviews
Alaska Airlines
8.1
Very good
9,278 reviews

Overall

8.1

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.6

Entertainment

7.3

Reviews

1 / 10

Great airline! I would fly with them again. Overall, very positive experience along every step of the way. I was so jazzed they offer direct flights from Denver to Anchorage! Great customer service.

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 $195, but on average you can expect to pay $222.

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

    Cheapflights has at least 20 direct flights from Boise to Illinois under $300. A good price for a nonstop flight from Boise to Illinois is less than $490.

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

    There are currently 6+ open flights from Boise to Illinois within the next 7 days for less than $300.

  • 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 $101 on Spirit Airlines. Other airlines that offer cheap prices include Delta from $114 and American Airlines from $114 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 reliable airlines from Boise to Illinois?

    Consider SkyWest Airlines (83%), Air Canada (82%) or Lufthansa (82%) 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 $1,016, our data indicates the cheapest price to be $232. The most popular route (Boise Air Term. Gowen Fld - Chicago O'Hare Intl), is priced around $181.

  • 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 6/17.

  • 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 is the cheapest month to book a flight from Boise to Illinois?

    Currently, February is the cheapest month in which you can book a flight from Boise to Illinois (average of $244). Flying from Boise to Illinois in July is currently the most expensive (average of $320). 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.

See more FAQs

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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 3,263,674 searches. Data last updated junio 17, 2024.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$139Average$338FlexibilityNo cancel feeOn-time75%
Spirit AirlinesCheapest$155Average$244FlexibilityNo cancel feeOn-time65%
DeltaCheapest$185Average$349FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$216Average$613FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$296Average$537FlexibilityNo cancel feeOn-time71%
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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.
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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 junio 17, 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
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