Cheap flights from Chicago to Boise

One-way fares from $214 · CHI → BOI · prices found by travellers in the last 48 hours

Compare all dates Boise → Chicago
Cheapest fare
$214

Alaska Airlines · Fri, Nov 13

Cheapest month
November

from $214

Direct flights
Yes

American Airlines

Flight time
3h 52m

2,330 km

Get a price alert

We'll email you when Chicago → Boise drops to your price. It's free, and you can stop any time.

Today's cheapest fare is $214. We'll send one email to confirm. See our privacy policy.

Cheapest month to fly from Chicago to Boise

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 Cheapest $214

Cheapest dates in November 2026

The lowest fares we've seen for each day, cheapest first.

Alaska Airlines
Depart14:07 Thu, Nov 12ORD → BOI 6h 01m · 1 stop
$214one way, per person
View deal
Alaska Airlines
Depart15:59 Fri, Nov 13ORD → BOI 6h 14m · 1 stop
$214one way, per person
View deal
Alaska Airlines
Depart14:07 Tue, Nov 10ORD → BOI 6h 01m · 1 stop
$216one way, per person
View deal
American Airlines
Depart09:45 Sun, Nov 15ORD → BOI 3h 52m · Direct
$267one way, per person
View deal
See every date in November 2026 →

Plan the rest of your trip to Boise

Where to stay, what to do and getting around, from our travel partners.

Where to stay

Hotels in BoiseCompare places to stay on Booking.com Find hotels →

Things to do

Things to do in BoiseTours, attractions and day trips on Klook Explore →

Getting around

Airport transfer in BoisePre-book a driver to meet you at arrivals, with Kiwitaxi Book a transfer → Car hire in BoiseCompare rental cars from major brands on EconomyBookings Compare cars →

About flights from Chicago to Boise

Chicago (CHI) and Boise (BOI) are about 2,330 km apart. Direct flights take around 3h 52m, and recent direct fares were with American Airlines. Over the next few months, one-way fares start from $214, and November 2026 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Chicago to Boise?

The cheapest one-way fare we've seen recently is $214 with Alaska Airlines, departing Friday, November 13, 2026.

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

November 2026 currently has the lowest fares, from $214 one way.

Are there direct flights from Chicago to Boise?

Yes. Recent direct fares were with American Airlines.

How long is the flight from Chicago to Boise?

A direct flight takes about 3h 52m. Chicago and Boise are around 2,330 km apart.

Which airlines fly from Chicago to Boise?

Recent fares on this route were with Alaska Airlines and American Airlines.

More cheap flights from Chicago

Compare flights to Boise from other cities →