IDA - BOI

$225 Find Cheap Flights from Idaho Falls to Boise - Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 25% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Cheapest round-trip
$428
Typical prices: $386-$607
Alaska Airlines
Fri 1/5Sun 1/7
IDA - BOI • 2 stops
Cheapest one-way
$225
Typical prices: $229-$479
Alaska Airlines
Sun 12/9
IDA - BOI • 2 stops
Top layover airports
Salt Lake City (SLC)
Cheapest • Avg $412 (round-trip)
Seattle/Tacoma Intl (SEA)
Shortest trip • 5h 36m (one-way)
Insights
Insights
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Boise!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Idaho Falls to Boise (IDA-BOI)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Idaho Falls to Boise

Tue, Jan 5 - Thu, Jan 7
Alaska Airlines Logo
1:56 pm - 1:23 pmIDA  Idaho Falls Fanning Field-BOI Boise Air Term. Gowen Fld
23h 27m2 stops Seattle/Tacoma Intl San Diego
Alaska Airlines Logo
6:44 pm - 3:21 pmBOI  Boise Air Term. Gowen Fld-IDA Idaho Falls Fanning Field
20h 37m2 stops San Diego Seattle/Tacoma Intl
$428Alaska Airlines
Wed, Dec 9 - Fri, Dec 11
Alaska Airlines Logo
3:44 pm - 1:25 pmIDA  Idaho Falls Fanning Field-BOI Boise Air Term. Gowen Fld
21h 41m2 stops Portland San Diego
Alaska Airlines Logo
4:20 pm - 1:17 pmBOI  Boise Air Term. Gowen Fld-IDA Idaho Falls Fanning Field
20h 57m1 stop Portland
$460Alaska Airlines
Wed, Dec 9 - Fri, Dec 11
Alaska Airlines Logo
3:44 pm - 1:25 pmIDA  Idaho Falls Fanning Field-BOI Boise Air Term. Gowen Fld
21h 41m2 stops Portland San Diego
Alaska Airlines Logo
7:41 pm - 3:07 pmBOI  Boise Air Term. Gowen Fld-IDA Idaho Falls Fanning Field
19h 26m2 stops Portland Seattle/Tacoma Intl
$466Alaska Airlines
Wed, Dec 9 - Fri, Dec 11
Alaska Airlines Logo
3:44 pm - 8:10 pmIDA  Idaho Falls Fanning Field-BOI Boise Air Term. Gowen Fld
4h 26m1 stop Portland
Alaska Airlines Logo
7:41 pm - 1:17 pmBOI  Boise Air Term. Gowen Fld-IDA Idaho Falls Fanning Field
17h 36m1 stop Portland
$468Alaska Airlines
Tue, Dec 22 - Tue, Dec 29
Alaska Airlines Logo
3:55 pm - 11:59 pmIDA  Idaho Falls Fanning Field-BOI Boise Air Term. Gowen Fld
8h 04m1 stop Portland
Alaska Airlines Logo
2:12 pm - 11:45 pmBOI  Boise Air Term. Gowen Fld-IDA Idaho Falls Fanning Field
9h 33m1 stop Seattle/Tacoma Intl
$473Alaska Airlines
Tue, Dec 22 - Tue, Dec 29
Alaska Airlines Logo
3:55 pm - 8:12 pmIDA  Idaho Falls Fanning Field-BOI Boise Air Term. Gowen Fld
4h 17m1 stop Portland
Alaska Airlines Logo
6:31 am - 11:45 pmBOI  Boise Air Term. Gowen Fld-IDA Idaho Falls Fanning Field
17h 14m1 stop Seattle/Tacoma Intl
$483Alaska Airlines
Thu, Dec 24 - Thu, Dec 24
Alaska Airlines Logo
6:00 am - 1:11 pmIDA  Idaho Falls Fanning Field-BOI Boise Air Term. Gowen Fld
7h 11m2 stops Seattle/Tacoma Intl Portland
Alaska Airlines Logo
4:23 pm - 1:15 pmBOI  Boise Air Term. Gowen Fld-IDA Idaho Falls Fanning Field
20h 52m1 stop Portland
$498Alaska Airlines
Thu, Dec 24 - Thu, Dec 24
Alaska Airlines Logo
6:00 am - 1:11 pmIDA  Idaho Falls Fanning Field-BOI Boise Air Term. Gowen Fld
7h 11m2 stops Seattle/Tacoma Intl Portland
Alaska Airlines Logo
4:50 pm - 3:18 pmBOI  Boise Air Term. Gowen Fld-IDA Idaho Falls Fanning Field
22h 28m2 stops Las Vegas Harry Reid Intl Seattle/Tacoma Intl
$507Alaska Airlines
Thu, Dec 24 - Thu, Dec 24
Alaska Airlines Logo
6:00 am - 12:35 pmIDA  Idaho Falls Fanning Field-BOI Boise Air Term. Gowen Fld
6h 35m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
4:23 pm - 1:15 pmBOI  Boise Air Term. Gowen Fld-IDA Idaho Falls Fanning Field
20h 52m1 stop Portland
$543Alaska Airlines
Tue, Dec 22 - Tue, Dec 29
Alaska Airlines Logo
3:55 pm - 11:59 pmIDA  Idaho Falls Fanning Field-BOI Boise Air Term. Gowen Fld
8h 04m1 stop Portland
Alaska Airlines Logo
7:00 am - 11:45 pmBOI  Boise Air Term. Gowen Fld-IDA Idaho Falls Fanning Field
16h 45m2 stops Spokane Seattle/Tacoma Intl
$547Alaska Airlines
Booking Insights

Price, demand and travel trends for Idaho Falls to Boise flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Idaho Falls to Boise?

Round-trip flights from Idaho Falls to Boise typically range from $386 to $607. The lowest price found in the past 5 days was $428, on Alaska Airlines.

Find deals

Key details for Idaho Falls to Boise flights

Cheapest flight

$225
One-way flight from Idaho Falls to Boise

When to book flights from Idaho Falls to Boise

Are your dates flexible? Find out the best times to travel from Idaho Falls to Boise based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Idaho Falls to Boise flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Idaho Falls to Boise?

    Only Economy Class is available on flights from Idaho Falls to Boise.

  • How long is a flight from Idaho Falls to Boise?

    There are currently no nonstop flights available from Idaho Falls to Boise. Flights with 1 layover take between 3h 59m and 5h 36m in total, depending on the connection.

  • Do I need a passport to fly from Idaho Falls to Boise?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

  • How much should I expect to pay for a Idaho Falls to Boise flight?

    Round-trip flights from Idaho Falls to Boise range from $386 to $607, with an average of $423 over the past 12 months. Anything below $386 counts as a good deal.

  • Have flight prices from Idaho Falls to Boise changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $428 to $1,222. That means the highest observed fare was about 3x higher than the lowest one.

  • How are flight prices from Idaho Falls to Boise looking right now?

    One-way fares from Idaho Falls to Boise are currently in line with typical prices for this route. Average one-way fares are about $377.

  • What car rental options are available at Boise Air Term. Gowen Fld Airport (BOI)?

    Boise Air Term. Gowen Fld Airport (BOI) hosts 5 major car rental companies, with daily rates averaging $84 for economy cars. Top options include:

    • Budget
    • Alamo
    • Hertz
    • Enterprise Rent-A-Car
    • Avis

  • Which airports can I use when flying from Idaho Falls to Boise?

    Flights from Idaho Falls to Boise usually depart from Idaho Falls Fanning Field (IDA) and arrive at Boise Air Term. Gowen Fld (BOI).

  • Which airports do connecting flights from Idaho Falls to Boise pass through?

    Connecting flights from Idaho Falls to Boise most commonly pass through:

    • Salt Lake City (SLC) - 60% of one-stop connections
    • Seattle/Tacoma Intl (SEA) - 40% of one-stop connections

  • Can I save money by using flexible dates for flights from Idaho Falls to Boise?

    Yes. Flexible dates can save you up to 26% on flights from Idaho Falls to Boise. Thursday is the cheapest departure day at $397 round-trip on average, while Saturday is the most expensive at $533, a difference of $136.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport from Idaho Falls to Boise?

    Flying via Salt Lake City (SLC) gives the shortest average 1-stop total travel time at 3h 59m, compared with 5h 36m via Seattle/Tacoma Intl (SEA).

  • What popular places can I visit in Boise?

    Some of the most popular sights in Boise are Idaho Central Arena, Julia Davis Park and Discovery Center of Idaho. These are among the most viewed places in Boise on KAYAK.

Your guide to booking Idaho Falls to Boise flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Thursday departure and avoid flying on Saturday. On this route, Thursday flights average $397, about $136 less than Saturday fares (26% savings) based on the last 12 months.
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Boise Air Term. Gowen Fld Airport.

    • Ramada by Wyndham Boise
    • Super 8 by Wyndham Boise
    • Comfort Suites Airport

More options for your flight from Idaho Falls to Boise

Complete your trip to Boise with a hotel stay or car rental

Car rentals in Boise
Hotels in Boise
Vacations in Boise