IDA - BOI

$242 Find Cheap Flights from Idaho Falls to Boise - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$367
Typical prices: $393-$607
Multiple Airlines
Fri 12/21Sat 12/29
IDA - BOI • 1 stop
Cheapest one-way
$242
Typical prices: $216-$377
Alaska Airlines
Tue 11/6
IDA - BOI • 1 stop
When to travel
February
Cheapest • 50% price drop
May
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Salt Lake City (SLC)
Cheapest • Avg $463 (round-trip)
Seattle/Tacoma Intl (SEA)
Shortest trip • 7h 24m (one-way)
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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

Mon, Dec 21 - Tue, Dec 29
Multiple Airlines Logo
7:49 pm - 6:01 pmIDA  Idaho Falls Fanning Field-BOI Boise Air Term. Gowen Fld
22h 12m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
6:56 pm - 3:22 pmBOI  Boise Air Term. Gowen Fld-IDA Idaho Falls Fanning Field
20h 26m1 stop Las Vegas Harry Reid Intl
$367Multiple Airlines
Sun, Nov 1 - Sun, Nov 8
Multiple Airlines Logo
9:02 am - 12:40 pmIDA  Idaho Falls Fanning Field-BOI Boise Air Term. Gowen Fld
27h 38m1 stop Phoenix-Mesa Gateway
Multiple Airlines Logo
2:49 pm - 12:53 pmBOI  Boise Air Term. Gowen Fld-IDA Idaho Falls Fanning Field
22h 04m1 stop Las Vegas Harry Reid Intl
$378Multiple Airlines
Mon, Dec 21 - Fri, Jan 1
Multiple Airlines Logo
7:49 pm - 6:01 pmIDA  Idaho Falls Fanning Field-BOI Boise Air Term. Gowen Fld
22h 12m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
6:56 pm - 3:22 pmBOI  Boise Air Term. Gowen Fld-IDA Idaho Falls Fanning Field
20h 26m1 stop Las Vegas Harry Reid Intl
$401Multiple Airlines
Wed, Oct 28 - Fri, Oct 30
Delta Logo
1:05 pm - 5:59 pmIDA  Idaho Falls Fanning Field-BOI Boise Air Term. Gowen Fld
4h 54m1 stop Salt Lake City
Delta Logo
6:49 pm - 10:10 pmBOI  Boise Air Term. Gowen Fld-IDA Idaho Falls Fanning Field
3h 21m1 stop Salt Lake City
$405Delta
Sun, Nov 1 - Sun, Nov 8
Multiple Airlines Logo
9:02 am - 3:47 pmIDA  Idaho Falls Fanning Field-BOI Boise Air Term. Gowen Fld
30h 45m2 stops Phoenix-Mesa Gateway Santa Ana J. Wayne/Orange Cnty
Multiple Airlines Logo
2:49 pm - 12:53 pmBOI  Boise Air Term. Gowen Fld-IDA Idaho Falls Fanning Field
22h 04m1 stop Las Vegas Harry Reid Intl
$413Multiple Airlines
Fri, Oct 16 - Sun, Oct 18
Delta Logo
6:00 am - 10:42 amIDA  Idaho Falls Fanning Field-BOI Boise Air Term. Gowen Fld
4h 42m1 stop Salt Lake City
Delta Logo
1:06 pm - 6:16 pmBOI  Boise Air Term. Gowen Fld-IDA Idaho Falls Fanning Field
5h 10m1 stop Salt Lake City
$425Delta
Wed, Dec 16 - Fri, Jan 1
Delta Logo
5:35 am - 10:44 amIDA  Idaho Falls Fanning Field-BOI Boise Air Term. Gowen Fld
5h 09m1 stop Salt Lake City
Delta Logo
6:35 pm - 10:35 pmBOI  Boise Air Term. Gowen Fld-IDA Idaho Falls Fanning Field
4h 00m1 stop Salt Lake City
$432Delta
Wed, Oct 14 - Wed, Oct 21
Delta Logo
6:56 pm - 11:59 pmIDA  Idaho Falls Fanning Field-BOI Boise Air Term. Gowen Fld
5h 03m1 stop Salt Lake City
Delta Logo
6:49 pm - 10:10 pmBOI  Boise Air Term. Gowen Fld-IDA Idaho Falls Fanning Field
3h 21m1 stop Salt Lake City
$445Delta
Fri, Dec 18 - Tue, Dec 29
Multiple Airlines Logo
10:32 pm - 6:01 pmIDA  Idaho Falls Fanning Field-BOI Boise Air Term. Gowen Fld
19h 29m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
6:56 pm - 3:22 pmBOI  Boise Air Term. Gowen Fld-IDA Idaho Falls Fanning Field
20h 26m1 stop Las Vegas Harry Reid Intl
$451Multiple Airlines
Mon, Dec 21 - Tue, Dec 29
Multiple Airlines Logo
7:49 pm - 6:01 pmIDA  Idaho Falls Fanning Field-BOI Boise Air Term. Gowen Fld
22h 12m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
6:56 pm - 9:32 pmBOI  Boise Air Term. Gowen Fld-IDA Idaho Falls Fanning Field
26h 36m2 stops Las Vegas Harry Reid Intl Santa Ana J. Wayne/Orange Cnty
$456Multiple 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 from Idaho Falls to Boise with more confidence.

What is the cheapest airline to fly from Idaho Falls to Boise?

Delta ($405) offered the cheapest round-trip ticket from Idaho Falls to Boise in the last 5 days.

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Key details for Idaho Falls to Boise flights

Low season

August

Cheapest flight

$242
Most popular time to fly with an average 26% increase in price.
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 route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • 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).

  • 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.

  • 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) - 54% of one-stop connections
    • Seattle/Tacoma Intl (SEA) - 46% of one-stop connections
    Together, these airports account for 100% of one-stop bookings on this route.

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

    Yes. Being flexible with your travel dates can save you up to 49% on the Idaho Falls to Boise route. Monday is the cheapest departure day at $393 round-trip on average, while Friday is the most expensive at $766, a difference of $373. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • 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.

  • 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 4h 05m and 7h 24m 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.

  • 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 $367 to $1,774. That means the highest observed fare was about 5x 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 higher than usual. Average one-way flight prices are about $436, which is 25% above the typical average for this route.

  • 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 4h 05m, compared with 7h 24m via Seattle/Tacoma Intl (SEA).

  • 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 starting from around $31 for economy cars. Top options include:
    • Budget
    • Alamo
    • Hertz
    • Enterprise Rent-A-Car
    • Avis

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

    Round-trip flights from Idaho Falls to Boise range from $393 to $607, with an average of $423 over the past 12 months. Anything below $393 counts as a good deal.

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 can be flexible, aim for a Monday departure instead of Friday. On this route, Monday flights average $393 - about $373 less than Friday (49% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Idaho Falls to Boise trip for February. Fares historically average $211 round-trip in that month - typically $603 less than the most expensive month, which is January (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
    - Hotel 28 Boise Airport, an Ascend Collection Hotel
    - Super 8 by Wyndham Boise

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
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