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

Direct flights offer convenience by minimizing travel time and avoiding layovers, but they are not always the cheapest option. Flights with one or more stops can sometimes be significantly more affordable. Consider your budget and time constraints when deciding between direct and connecting flights.

Can flexible travel dates help on Chicago to Boise flights?

Yes, being flexible with your travel dates can often lead to finding more budget-friendly flights. Prices can vary significantly between different days of the week or even within the same week. Adjusting your departure or return by a day or two may result in substantial 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. Being aware of these additional fees can help you calculate the total cost of your trip accurately.

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 1 day ago

476 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 12, 2026.)

Today’s best flight deals from Chicago to Boise

Explore current cheapest deals departing from Chicago to Boise

2026-12-03 – 2026-12-14
CHI - Boise
78% AI deal score
$290
$193
Round trip
2026-12-03 – 2026-12-22
CHI - Boise
76% AI deal score
$278
$207
Round trip
2026-12-03 – 2026-12-29
CHI - Boise
75% AI deal score
$271
$208
Round trip
2026-12-03 – 2026-12-07
CHI - Boise
78% AI deal score
$338
$220
Round trip
2026-12-03 – 2026-12-21
CHI - Boise
70% AI deal score
$279
$223
Round trip
2026-11-17 – 2026-12-14
CHI - Boise
66% AI deal score
$245
$229
Round trip
2026-11-18 – 2026-12-14
CHI - Boise
65% AI deal score
$246
$234
Round trip
2026-12-09 – 2026-12-22
CHI - Boise
76% AI deal score
$307
$235
Round trip
2026-11-17 – 2026-12-07
CHI - Boise
50% AI deal score
$246
$239
Round trip
2026-11-13 – 2026-11-16
CHI - Boise
71% AI deal score
$331
$280
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: $265 - $511

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

The regular price range for flights from Chicago to Boise is $265 to $511. The current lowest deal is $193 with Frontier Airlines for travel from Dec 3-Dec 7.

now $193

Low $265

High $511

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

Wed, Oct 14

⌛ Last-Minute

ORD - Boise

Chicago (ORD) - Boise (BOI)

Alaska Airlines, Inc.

$462

$422

One-way

Wed, Oct 14

⌛ Last-Minute

ORD - Boise

Chicago (ORD) - Boise (BOI)

Alaska Airlines, Inc.

$510

$422

One-way

Thu, Oct 15

⌛ Last-Minute

ORD - Boise

Chicago (ORD) - Boise (BOI)

Alaska Airlines, Inc.

$510

$447

One-way

Mon, Nov 2

⌛ Last-Minute

ORD - Boise

Chicago (ORD) - Boise (BOI)

United Airlines

$168

$343

One-way

Mon, Nov 2

⌛ Last-Minute

ORD - Boise

Chicago (ORD) - Boise (BOI)

Deutsche Luft Hansa

$288

$362

One-way

Tue, Nov 3

⌛ Last-Minute

ORD - Boise

Chicago (ORD) - Boise (BOI)

United Airlines

$168

$343

One-way

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

5 nights

Dec 9 - Dec 14

$354 → $218

39%

4 nights

Dec 3 - Dec 7

$337 → $203

40%

11 nights

Dec 3 - Dec 14

$293 → $190

35%

8 nights

Dec 3 - Dec 11

$309 → $231

25%

Popular Airports to fly from Chicago to Boise

Chicago - Boise route insights

💸 Price insights

Recent fares are below the typical level

Recent roundtrip fares are $193, which is below the typical level of $533.

📅 Best time to fly

Fly in December for the best prices

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

⏱️ Flight duration

Direct flights take 3h 57m

Direct flights to Boise typically take 3h 57m, while connecting flights average 13h 37m.

✈️ Airlines & availability

Connecting flights are dominant

Only 1.9% of recent flights from Chicago to Boise are direct, with 2 stopovers typical.

🏆 Airline highlight

United Airlines offers direct flights

United Airlines has offered direct flights on this route, with one recent direct deal.

🎯 Booking tip

Deals appear regularly

Deals on flights from Chicago to Boise appear regularly, often 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

$982

Save $534

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 often reveal better deals. Setting up price alerts may also help you catch drops in fares.

Booking flights in advance, often several weeks to a few months before your desired departure, can sometimes result in lower prices. However, last-minute deals can occasionally appear, so it's worth monitoring prices if your schedule allows flexibility. Mid-week travel may also offer better rates.

Comparing nearby airports can sometimes uncover more economical flight options. While it may add to your ground travel time, the potential savings on airfare could make it a worthwhile consideration. Always factor in the cost and convenience of transportation to and from alternative airports.

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: $265 - $511

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

The regular price range for flights from Chicago to Boise is $265 to $511. The current lowest deal is $193 with Frontier Airlines for travel from Dec 3-Dec 7.

now $193

Low $265

High $511

The cheapest time to fly from Chicago to Boise

January

Cheapest

Flights from $328

September

Most Expensive

Flights from $564

Jan

Sep

Oct

Nov