Cheap flights from Boise (BOI) to Chicago (CHI) from $53

This is the cheapest one-way flight price, found on 9/20. Prices may vary by date and flight preferences.
BOI — CHI
Sep 26 — Oct 31

The best prices from Boise Air Term. Gowen Fld to Chicago are usually found in January or February, booked 40 days in advance, depart on a Saturday or Wednesday and return on a Tuesday

How to find the cheapest flight from Boise (BOI) to Chicago (CHI)

All the information you need to plan the best BOI to CHI flight in 2023: compare Boise to Chicago flight prices with the expected peak season, weather and rainfall in Chicago.

Popular in

June

Cheapest in

January

Round-trip from

$207

One-way from

$119
High demand for flights, 49% potential price rise
Best time to find cheap flights, 45% potential price drop
From Boise Air Term. Gowen Fld to Chicago (CHI)
One-way flight from Boise Air Term. Gowen Fld to Chicago (CHI)

BOI - CHI

Price

$207 - $364

CHI

Temperature

23 - 73.4 °F

CHI

Rainfall

1.7 - 4.9 inches

What is the cheapest day to fly round-trip from Boise to Chicago?

Travelers have found that booking a Friday departure is the best way to save up to 54% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

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

To save up to 52% on this flight, we recommend booking at least 36 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Boise to Chicago from $530 1-2 weeks out and tickets from $658 for flights departing within the next 72 hours.

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

The best pricing can be found in the month of January. Prices to Chicago from Boise average $434. You can even find prices in January for less than $434, as users have found deals to Chicago from as low as $180. The month of June appears to be one of the more expensive times to travel to Chicago from Boise. Flying in the targeted month can save you up to 97%.

When is the cheapest time to fly from Boise to Chicago (BOI - CHI)?

It’s typically best to fly out from Boise to Chicago in the afternoon. Doing so could potentially save you 40% on the flight price compared to flying at noon, which is usually more expensive.

Cheap Spirit Airlines flights from Boise to Chicago

Take a look at some of the lowest-priced Spirit Airlines flights heading from Boise to Chicago. Deals update often to give you more flight options matching your criteria
  • If you’re traveling from Boise to Chicago, one of the more common airlines traveling that route is Spirit Airlines. Boise to Chicago flights are typically 31% cheaper than other airlines traveling the same route. Flights from Spirit Airlines typically cost $367.80 RT. The cheapest Spirit Airlines flight found for this route was $159. When traveling from Boise to Chicago on Spirit Airlines, the most popular airport to depart from is Boise Air Term. Gowen Fld Airport and the most popular airport to arrive at is Chicago O'Hare Intl Airport. When flying from Boise to Chicago, Spirit Airlines flights are 10% more popular than any other airline flying that same route.

Cheap United Airlines flights from Boise to Chicago

Some of the best deals we've found on United Airlines flights traveling from Boise to Chicago. Make sure to examine the flight information before completing your reservation.
  • If you’re traveling from Boise to Chicago, one of the more common airlines traveling that route is United Airlines. Flights from United Airlines traveling this route typically cost $437.79 RT. This price is typically 41% more expensive than other airlines that offer Boise to Chicago flights. When booking this route, the cheapest RT price found was $169. The most popular departure airport in Boise when flying to Chicago is Boise Air Term. Gowen Fld Airport. The most popular airport to fly into when visiting Chicago is Chicago O'Hare Intl Airport. When flying from Boise to Chicago, United Airlines flights are 1% more popular than any other airline flying that same route.

Cheap Boise to Chicago flights in September & October 2023

The best prices found for BOI to CHI flights for September, October
Listed are some of the best fares we've found on flights departing from Boise to Chicago in 2023. If these deals don't appeal to you, be sure to come back soon for more options.

Boise to Chicago 2023 flight deals

Cheap flights to Chicago from Boise found for this year
Listed are some of the best fares we've found on flights departing from Boise to Chicago in 2023. If these deals don't appeal to you, be sure to come back soon for more options.

Non-stop flights to Chicago from Boise

Save time with Boise to Chicago direct flight deals
For a shorter flight, select one of these non-stop flights from Boise to Chicago. Users can also choose from other Boise to Chicago flights by using the search form above.

Boise to Chicago flights leaving soon

Late deals on return flights to Chicago from Boise, departing today and this week
Book one of these great deals on flights from Boise to Chicago. Users should examine the flight details to ensure there are no surprises.

One-way flights to Chicago from Boise

The cheapest one-way flights from Boise to Chicago
Some of the best available deals we've found on one-way flights from Boise to Chicago. Users in need of a round-trip flight from Boise to Chicago instead should update the search form at the top of page.

Find flights from Boise to Chicago within your budget

Use the slider to find flights from Boise to Chicago that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

$115 - $302

Route

Depart

Return

Price

Boise Air Term. Gowen FldChicago O'Hare Intl

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Wed 10/18

1 stop9h 26m

Chicago O'Hare Intl

Sat 10/21

1 stop9h 33m

Boise Air Term. Gowen FldChicago O'Hare Intl

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Wed 10/18

1 stop9h 26m

Chicago O'Hare Intl

Mon 10/23

1 stop16h 53m

Boise Air Term. Gowen FldChicago O'Hare Intl

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Wed 10/25

1 stop9h 26m

Chicago O'Hare Intl

Tue 10/31

1 stop9h 33m

Boise Air Term. Gowen FldChicago O'Hare Intl

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Sat 11/4

1 stop7h 29m

Chicago O'Hare Intl

Wed 11/8

1 stop9h 33m

Boise Air Term. Gowen FldChicago O'Hare Intl

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Wed 10/25

1 stop9h 26m

Chicago O'Hare Intl

Tue 10/31

2 stops16h 04m

Boise Air Term. Gowen FldChicago O'Hare Intl

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Fri 10/13

1 stop10h 58m

Chicago O'Hare Intl

Mon 10/16

1 stop16h 53m

Boise Air Term. Gowen FldChicago O'Hare Intl

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Sat 10/28

Nonstop3h 24m

Chicago O'Hare Intl

Wed 11/1

Nonstop4h 12m

Boise Air Term. Gowen FldChicago O'Hare Intl

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Fri 10/27

1 stop5h 42m

Chicago O'Hare Intl

Tue 11/7

1 stop7h 10m

Boise Air Term. Gowen FldChicago O'Hare Intl

BOI - ORD

BOIORD

Boise Air Term. Gowen Fld

Sun 10/22

1 stop11h 39m

Chicago O'Hare Intl

Thu 10/26

Nonstop3h 55m

Flights are sorted by cheapest first

Deals found on 9/20

Reviews of airlines servicing Chicago

Read through reviews of airlines operating flights from Boise to Chicago, such as Spirit Airlines, United Airlines and Delta. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
1,393 reviews

Crew

8.6

Overall

8.1

Boarding

8.3

Comfort

8.0

Food

7.2

Entertainment

7.2

Reviews

1 / 10

I appreciated that we departed & arrived on time. I was very cold on the plane, despite wearing 2 jackets, & will bring a blanket next time. I appreciated the hot tea & cookie I was served. I also appreciated that our luggage was not lost or damaged.

Alaska Airlines
8.1
Very good
1,393 reviews
Alaska Airlines
8.1
Very good
1,393 reviews

Crew

8.6

Overall

8.1

Boarding

8.3

Comfort

8.0

Food

7.2

Entertainment

7.2

Reviews

1 / 10

I appreciated that we departed & arrived on time. I was very cold on the plane, despite wearing 2 jackets, & will bring a blanket next time. I appreciated the hot tea & cookie I was served. I also appreciated that our luggage was not lost or damaged.

Delta
7.9
Good
3,016 reviews
Alaska Airlines
8.1
Very good
1,393 reviews

Crew

8.6

Overall

8.1

Boarding

8.3

Comfort

8.0

Food

7.2

Entertainment

7.2

Reviews

1 / 10

I appreciated that we departed & arrived on time. I was very cold on the plane, despite wearing 2 jackets, & will bring a blanket next time. I appreciated the hot tea & cookie I was served. I also appreciated that our luggage was not lost or damaged.

United Airlines
7.4
Good
1,887 reviews
Alaska Airlines
8.1
Very good
1,393 reviews

Crew

8.6

Overall

8.1

Boarding

8.3

Comfort

8.0

Food

7.2

Entertainment

7.2

Reviews

1 / 10

I appreciated that we departed & arrived on time. I was very cold on the plane, despite wearing 2 jackets, & will bring a blanket next time. I appreciated the hot tea & cookie I was served. I also appreciated that our luggage was not lost or damaged.

Spirit Airlines
6.3
Okay
1,480 reviews
Alaska Airlines
8.1
Very good
1,393 reviews

Crew

8.6

Overall

8.1

Boarding

8.3

Comfort

8.0

Food

7.2

Entertainment

7.2

Reviews

1 / 10

I appreciated that we departed & arrived on time. I was very cold on the plane, despite wearing 2 jackets, & will bring a blanket next time. I appreciated the hot tea & cookie I was served. I also appreciated that our luggage was not lost or damaged.

Related info for your journey

Useful info, stats and facts about Boise to Chicago flights.

What airport do you fly from for flights from Boise to Chicago?

If you book a flight to Chicago 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. There are 7 flights from Air Term. Gowen Fld to Chicago per day from 5 different airlines.

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

Yes, there are multiple flights from Boise to Chicago for under $200. The cheapest flight booked recently is on Spirit Airlines for just $115, but on average you can expect to pay $140.

Are there nonstop flights from Boise to Chicago for under $200 on Cheapflights?

Cheapflights has at least 20 direct flights from Boise to Chicago under $200. A good price for a nonstop flight from Boise to Chicago is less than $337.

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

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

What days are nonstop flights available from Boise to Chicago?

Nonstop flights can be found on the following days: Monday, Friday.

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

6 flight departures from Boise to Chicago per day on average.
Morning (6am - Noon) - 100% of flight departures

How long is the flight from Boise to Chicago?

Departing from Boise to Chicago will take you 9h 26m. The distance between Boise and Chicago is about 1441 mi.

What is the cheapest airline to fly from Boise to Chicago round-trip?

Our cheapest airline available from Boise to Chicago is Spirit Airlines. Our recent data shows that you can find tickets from as low as $115 on this airline. Users have found that Spirit Airlines is 73% cheaper than the other options available to this destination.

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

To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $53. Delta flights start at $108 while deals on Alaska Airlines start at $139 one-way.

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

What are the most reliable airlines from Boise to Chicago?

No one likes to see their flight delayed. When booking a flight from Boise to Chicago consider choosing SkyWest Airlines (100%), Air Canada (89%) or United Airlines (89%) as they are the most reliable in getting you off to your destination on time.

What are the cheapest flights from Boise to Chicago?

The cheapest flight price from Boise to Chicago is $129. On average you can expect to pay $742. The most popular route, (Boise Air Term. Gowen Fld - Chicago O'Hare Intl), can usually be booked for $124.

What does BOI to ORD mean?

Boise Air Term. Gowen Fld Airport is BOI and Chicago O'Hare Intl Airport is ORD. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service. 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), Chicago Greater Rockford Airport (RFD).

Top 5 airlines flying from Boise to Chicago

The chart below displays the airlines Cheapflights users traveling from Boise to Chicago choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$159Average$368FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
United AirlinesCheapest$169Average$438FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Spirit AirlinesCheapest$199Average$259FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
DeltaCheapest$257Average$404FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapest$313Average$417FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Hourly flight availability from Boise to Chicago

See what time of day planes typically take off from Boise to Chicago
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

Weekly flight availability from Boise to Chicago

See how many times per day planes take to the skies headed from Boise to Chicago
Sunday6daily flights
Monday9daily flights
Tuesday7daily flights
Wednesday9daily flights
Thursday9daily flights
Friday9daily flights
Saturday4daily flights
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.