Are direct flights from Chicago to Boise always the best option?

Direct flights often offer convenience by reducing travel time and avoiding layovers. However, they are not always the cheapest option. Flights with one or more connections can sometimes be more affordable, depending on the route and demand.

Can flexible travel dates help on Chicago to Boise flights?

Yes, being flexible with your travel dates can significantly impact flight prices. Flying on weekdays or during off-peak seasons often results in lower fares compared to weekends or holidays. Even shifting your departure or return by a day or two may yield savings.

What extra costs should I check before booking Chicago to Boise flights?

Before booking, always check for potential extra costs such as baggage fees, seat selection charges, and in-flight services. Some airlines may also charge for printing boarding passes at the airport. These additional fees can add to your total travel expense.

Flights From Chicago

To Boise

Cheap Flights from Chicago to Boise

Browse current best options from Chicago. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

Chicago

RatePunk searches hundreds of travel sites at once for deals on flights to Boise

Prices updated 7 days ago

483 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Oct 26, 2026.)

Today’s best flight deals from Chicago to Boise

Explore current cheapest deals departing from Chicago to Boise

2027-02-08 – 2027-03-01
CHI - Boise
49% AI deal score
$241
$240
Round trip
2027-02-03 – 2027-03-01
CHI - Boise
70% AI deal score
$286
$240
Round trip
2026-12-03 – 2026-12-14
CHI - Boise
68% AI deal score
$286
$244
Round trip
2027-02-08 – 2027-02-25
CHI - Boise
48% AI deal score
$244
$257
Round trip
2027-02-03 – 2027-02-25
CHI - Boise
68% AI deal score
$286
$257
Round trip
2027-02-01 – 2027-03-01
CHI - Boise
48% AI deal score
$240
$260
Round trip
2026-11-18 – 2026-12-14
CHI - Boise
48% AI deal score
$245
$264
Round trip
2026-12-12 – 2026-12-16
CHI - Boise
74% AI deal score
$334
$267
Round trip
2026-12-10 – 2026-12-15
CHI - Boise
73% AI deal score
$326
$267
Round trip
2026-12-08 – 2026-12-15
CHI - Boise
73% AI deal score
$315
$267
Round trip

Chicago to Boise: Overview

Insights for flights from Chicago to Boise

Fares for flights from Chicago to Boise typically range from $342 to $1113, with a median price of $533. Right now, fares are below the typical level, and only 1% of recent fares were classified as a good price.

For those wondering when is the cheapest time to fly from Chicago to Boise, the data indicates that December is the most affordable month, with a median fare of $315. January also offers lower prices, with a median of $328. November follows with a median fare of $537.

The journey from Chicago to Boise covers a distance of 2307 kilometers, classifying it as a medium-haul route.

Regarding direct flights from Chicago to Boise, most itineraries connect at least once, with only 1.9% of recent fares being non-stop. For connecting itineraries, the typical number of stopovers is 2.

A typical journey from Chicago to Boise takes about 3h 57m. Since most itineraries include connections, the median connecting flight time is 13h 37m, while non-stop flights have a median duration of 3h 57m.

How much is a round trip from Chicago to Boise

Regular price: $230 - $480

Prices for flights from Chicago to Boise are currently within the regular range.

The regular price range for flights from Chicago to Boise is between $230 and $480. The current lowest deal is $335 with Alaska Airlines, Inc. for travel from Nov 16-Nov 24.

now $335

Low $230

High $480

The cheapest time to fly from Chicago to Boise

The cheapest month to fly from Chicago to Boise is January, with a median price of $328. The most expensive month is September, with a median price of $564. Prices are generally lower from January to November.

January

Cheapest

Flights from $328

September

Most Expensive

Flights from $564

Jan

Sep

Oct

Nov

Direct flights from Chicago to Boise

United Airlines

Last-minute flights going from Chicago to Boise

Fri, Nov 6

⌛ Last-Minute

ORD - Boise

Chicago (ORD) - Boise (BOI)

Alaska Airlines, Inc.

$361

$411

One-way

Wed, Nov 11

⌛ Last-Minute

ORD - Boise

Chicago (ORD) - Boise (BOI)

Alaska Airlines, Inc.

$323

$344

One-way

Mon, Nov 16

⌛ Last-Minute

ORD - Boise

Chicago (ORD) - Boise (BOI)

Alaska Airlines, Inc.

$276

$309

One-way

Thu, Nov 19

⌛ Last-Minute

ORD - Boise

Chicago (ORD) - Boise (BOI)

Deutsche Luft Hansa

$288

$311

One-way

Sun, Nov 22

⌛ Last-Minute

ORD - Boise

Chicago (ORD) - Boise (BOI)

Alaska Airlines, Inc.

$298

$313

One-way

Wed, Dec 2

⌛ Last-Minute

ORD - Boise

Chicago (ORD) - Boise (BOI)

Alaska Airlines, Inc.

$316

$269

One-way

Biggest price drops on these dates for flights from Chicago to Boise

26 nights

Feb 3 - Mar 1

$286 → $240

16%

19 nights

Feb 3 - Feb 22

$287 → $250

13%

22 nights

Feb 3 - Feb 25

$287 → $257

10%

21 nights

Feb 8 - Mar 1

$240 → $239

Popular Airports to fly from Chicago to Boise

Chicago - Boise route insights

💸 Price insights

Recent fares are below the typical level

Recent fares from Chicago to Boise are below the typical level for this route.

📅 Best time to fly

Fly in December for the lowest prices

Historically, December is the cheapest month to fly, with a median price of $315.

⏱️ Flight duration

Direct flights take 3h 57m

The median flight time for direct routes is 3 hours and 57 minutes.

✈️ Airlines & availability

Connecting flights are dominant

Only 1.9% of recent flights are direct, with connecting routes typically having 2 stopovers.

🏆 Airline highlight

United Airlines offers direct flights

United Airlines has offered direct flights on this route recently.

🎯 Booking tip

Deals appear regularly

Deals for flights on this route appear regularly, typically within a 30-day window.

Chicago main airports to depart from

O Hare International (ORD)

Cheapest

O'Hare International Airport is a good option for flights from Chicago to Boise, often offering competitive prices.

📍 ~25 km from Chicago city center (reachable by car or train)

💸 Flights from ~$193

Chicago Midway International (MDW)

Chicago Midway International Airport is a convenient choice for flights from Chicago to Boise.

📍 ~14 km from Chicago city center (reachable by car or train)

💸 Flights from ~$274

Chicago Rockford International (RFD)

Chicago Rockford International Airport offers another departure point for flights from Chicago to Boise.

📍 ~126 km from Chicago city center (reachable by car)

💸 Flights from ~$395

Boise main airports to arrive at

Boise (BOI)

Cheapest

Boise Airport is ideal for reaching Boise and the surrounding Idaho region directly from Chicago.

📍 ~6 km from city center (reachable by car)

💸 Flights from ~$193

Airports nearby Boise used as alternative

Salt Lake City International (SLC)

Cheapest

Salt Lake City International is a major international hub with extensive flight options and high reliability.

📍 ~550 km from Boise (significant driving distance of approximately 5 hours)

💸 Flights from ~$156

Business & First Class Flight Deals to Boise

$970

Save $589

Alaska Airlines, Inc.

Business Class

Frequently Asked Questions About Flights to Boise

To find more affordable flights, consider being flexible with your travel dates and times. Comparing prices across different airlines and booking sites can also help you discover better deals. Setting up price alerts may notify you when fares drop for your desired route.

Booking in advance, often several weeks or months before your trip, may help secure better prices. However, prices can fluctuate, so monitoring fares over time is a good strategy. Last-minute deals can sometimes appear, but they are less common.

Yes, comparing nearby airports at both your origin and destination can sometimes reveal more affordable flight options. While it may add to your ground travel time, the potential savings on airfare can be significant. Always factor in the total cost and convenience.

Chicago to Boise: Overview

Insights for flights from Chicago to Boise

The journey from Chicago to Boise covers a distance of 2307 kilometers, classifying it as a medium-haul route.

How much is a round trip from Chicago to Boise

Regular price: $230 - $480

Prices for flights from Chicago to Boise are currently within the regular range.

The regular price range for flights from Chicago to Boise is between $230 and $480. The current lowest deal is $335 with Alaska Airlines, Inc. for travel from Nov 16-Nov 24.

now $335

Low $230

High $480

The cheapest time to fly from Chicago to Boise

January

Cheapest

Flights from $328

September

Most Expensive

Flights from $564

Jan

Sep

Oct

Nov