Cheap flights from Chicago to Boise

Chicago FSS
CHI
Boise (Gowen Field)
BOI

Flight deals from Chicago to Boise

Below you can see the best deals on flights Chicago — Boise for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

The lowest price for the next 2 months is on 5 October, from $102.

Top 10 cheap flights from Chicago to Boise

AS
AS
$ 144

Chicago — Boise

13:03—20:35
15 Sep 2026
8 h 32 m
1 stop
AS
AS
$ 144

Chicago — Boise

06:00—12:35
23 Sep 2026
7 h 35 m
1 stop
F9
F9
$ 145

Chicago — Boise

13:21—13:55
23 Sep 2026
25 h 34 m
1 stop
F9
F9
$ 145

Chicago — Boise

13:21—13:55
16 Sep 2026
25 h 34 m
1 stop
AS
AS
$ 146

Chicago — Boise

06:00—12:35
24 Sep 2026
7 h 35 m
1 stop
AS
AS
$ 146

Chicago — Boise

08:00—15:30
24 Sep 2026
8 h 30 m
1 stop
AS
AS
$ 146

Chicago — Boise

06:00—12:35
19 Sep 2026
7 h 35 m
1 stop
AS
AS
$ 153

Chicago — Boise

07:20—14:02
15 Sep 2026
7 h 42 m
1 stop
AS
AS
$ 153

Chicago — Boise

07:20—14:02
23 Sep 2026
7 h 42 m
1 stop
AS
AS
$ 155

Chicago — Boise

07:20—14:02
16 Sep 2026
7 h 42 m
1 stop

Prices were found in the last 72 hours and may change — check the exact price when you continue.

About the Chicago — Boise flight

Looking for cheap flights from Chicago to Boise? Compare fares from different airlines, check the flight schedule and travel time — and book your Chicago — Boise ticket online at the best price.

The route has direct flights — around 45 flights per week, flights are operated by United Airlines, American Airlines, Emirates, a nonstop flight takes about 3 h 48 min, the distance between the cities is around 2,336 km.

Planning your trip? You may find our Boise travel guide, how to get from the airport into town and Boise weather forecast useful. To catch a low fare, use the low-price calendar and the monthly price chart on this page.

Facts about this route

from $102Min. price
OctoberCheapest
AugustPeak season
YesDirect flights
2,336 kmDistance
3 h 48 minTravel time
3Airlines
45 / wkFlights

Flight schedule from Chicago to Boise

The table shows direct flights from Chicago to Boise on the selected date. The flight takes approximately 3 h 48 min. Regular flights are operated by United Airlines, American Airlines and Emirates. Departures from O'Hare International Airport, Chicago Midway International Airport and Midway International Airport airports, arrivals at Boise Air Terminal (Gowen Field).

For each flight, the following details are shown: departure time (local), arrival city and airport, flight number and airline, terminal or gate, and status. Click on a flight to open its details and go to ticket search. To view flights on a different day, change the date above the table.

Today
Any time
Last update: 25 Aug 2026

Flight ticket prices by day: Chicago — Boise

Below is a calendar of the lowest flight ticket prices for Chicago — Boise by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $102 in October, and the most expensive are around $214 in August. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.

 
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Prices by month

Average one-way fares from Chicago to Boise by month. Tickets are usually cheapest in May (around $180) and priciest in December (about $324) — use the table and chart below to pick the best time to fly.

MonthAverage priceLevelMonthAverage priceLevelMonthAverage priceLevel
Jan$216mediumMay$180lowSep$192low
Feb$300highJun$276highOct$204low
Mar$252mediumJul$288highNov$198low
Apr$204lowAug$276highDec$324high

Some values are estimated based on seasonality.

When to fly

Weather in Boise: it is warmest in July (up to 34 °C on average) and coolest in December (around 4 °C). The driest month is July.

Tickets are usually cheapest in October and most expensive in August. Compare prices and weather by month in the charts below to pick the best time to fly.

Temperature · Boise

Dry and wet days · Boise

Wind speed and direction · Boise

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How to get the best deal on a Chicago — Boise ticket

  • Book ahead: fares for Chicago — Boise are usually lower 3–8 weeks before departure than at the last minute.
  • Play with your dates — Tuesday, Wednesday and Saturday departures are often cheaper than Friday and Sunday.
  • Chicago is served by more than one airport — compare fares and travel time to each before you book.
  • The cheapest month to fly to Boise is usually October — plan your trip around it if your dates are flexible.
  • Compare direct and connecting flights: nonstop is faster, while a connection is sometimes noticeably cheaper.
  • Watch the low-price calendar and the monthly price trend on this page — they make it easier to catch a good date.
  • Travelling light? Pick a cabin-baggage-only fare — tickets without checked luggage are noticeably cheaper.
  • Get to the airport in good time — about 2–3 hours before an international departure and roughly an hour before a domestic one.

Airlines

Flights on the Chicago — Boise route are operated by 3 airlines; United Airlines runs the most flights (around 80% of all flights). Compare carriers, flight shares and schedules below.

  • United AirlinesUA
    12x/week
    WebsiteFleet: 956165M pax/year
    • Direct flight ORD → BOI12x/week
      Duration
      3h 54m
      Days
      MTWTFSS
    80.0%Open →
  • American AirlinesAA
    3x/week
    WebsiteFleet: 965211M pax/year
    • Direct flight ORD → BOI3x/week
      Duration
      3h 54m
      Days
      MTWTFSS
    17.8%Open →
  • EmiratesEK
    1x/week
    WebsiteFleet: 26051.9M pax/year
    • Direct flight ORD → BOI1x/week
    2.2%Open →

Cities and airports on the Chicago — Boise route

Flights Chicago — Boise depart from O'Hare International Airport, Chicago Midway International Airport, Midway International Airport and Chicago Rockford International Airport and arrive at Boise Air Terminal (Gowen Field). Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure

Chicago

CHI
United States
About the cityHow to get thereWeatherAll about the country United States
Arrival

Boise

BOI
United States
About the cityHow to get thereWeatherAll about the country United States
Departure airports
Arrival airports

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Frequently asked questions about the Chicago — Boise flight

How long is the flight from Chicago to Boise?

A nonstop Chicago — Boise flight takes about 3 h 48 min — the distance between the cities is around 2,336 km.

How far is it from Chicago to Boise?

The distance from Chicago to Boise is about 2,336 km, which a nonstop flight covers in around 3 h 48 min.

Are there direct flights from Chicago to Boise?

Yes, there are nonstop flights Chicago — Boise — around 45 flights per week.

Which airlines fly from Chicago to Boise?

Airlines operating Chicago — Boise include United Airlines, American Airlines, Emirates. See the full list with schedules in the "Airlines" section on this page.

Which airports do Chicago — Boise flights use?

Flights from Chicago depart from O'Hare International Airport, Chicago Midway International Airport, Midway International Airport, and arrive at Boise Air Terminal (Gowen Field). If a city has more than one airport, check which one your ticket uses before you travel.

How much is a ticket from Chicago to Boise?

The price of a Chicago — Boise ticket depends on your travel date, season and demand: it is usually cheapest to fly in October, and most expensive in August. Tickets typically cost between $102 and $214. Check the current lowest fare and low-price calendar on this page.

When is the best time to book flights Chicago — Boise?

Flights Chicago — Boise are usually cheaper when booked in advance — a few weeks before departure and away from peak dates; the most budget-friendly month to fly is October. Compare prices by month in the price trend chart on this page.

How can I find the cheapest flights from Chicago to Boise?

To catch a low fare Chicago — Boise, book a few weeks in advance, keep your dates flexible, and compare airlines and connecting options. The low-price calendar and monthly price chart on this page show the cheapest days and months at a glance: the most budget-friendly month to fly is usually October.

How early should I arrive at the airport?

For international flights, plan to be at the airport about 2–3 hours before departure, and around an hour before a domestic flight. Allow extra time during busy travel seasons and at large hubs, where check-in and security lines can be longer.

Where else you can fly from Chicago

See all
New York CityTorontoDetroitWashington, D.C.AtlantaMinneapolisLos AngelesSeattleBostonDallasHoustonOrlandoDenverNashvilleLondonIndianapolisSan DiegoMontrealMilwaukeeSt. LouisCharlottePhiladelphiaColumbusKansas CityPhoenixMiamiLas VegasCincinnatiGrand RapidsDes MoinesRaleighSan FranciscoMadisonDaytonGreen BayTampaPittsburghLouisvilleKnoxvilleRochester

Where else you can fly from Boise

See all
SeattleLos AngelesPhoenixSan FranciscoPortlandDenverSpokaneBurbankSan DiegoSalt Lake CityLas VegasSan JoseDallasMinneapolisPullmanBozemanSanta AnaSacramentoAtlantaAnchorage

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