BOI - IDA

$203 Find Cheap Flights from Boise to Idaho Falls - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$405
Typical prices: $511-$854
Delta
Sun 12/2Sun 12/9
BOI - IDA • 1 stop
Cheapest one-way
$203
Typical prices: $287-$547
Delta
Sun 12/2
BOI - IDA • 1 stop
Top layover airports
Seattle/Tacoma Intl (SEA)
Cheapest • Avg $692 (round-trip)
Salt Lake City (SLC)
Shortest trip • 3h 47m (one-way)
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Cheap Flights from Boise to Idaho Falls (BOI-IDA)

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

Recent round-trip flight deals from Boise to Idaho Falls

Wed, Dec 2 - Wed, Dec 9
Delta Logo
6:45 pm - 10:07 pmBOI  Boise Air Term. Gowen Fld-IDA Idaho Falls Fanning Field
3h 22m1 stop Salt Lake City
Delta Logo
5:35 am - 9:34 amIDA  Idaho Falls Fanning Field-BOI Boise Air Term. Gowen Fld
3h 59m1 stop Salt Lake City
$405Delta
Wed, Dec 2 - Wed, Dec 9
Alaska Airlines Logo
8:56 am - 1:17 pmBOI  Boise Air Term. Gowen Fld-IDA Idaho Falls Fanning Field
4h 21m1 stop Portland
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
$430Alaska Airlines
Wed, Dec 2 - Wed, Dec 9
Alaska Airlines Logo
4:20 pm - 3:07 pmBOI  Boise Air Term. Gowen Fld-IDA Idaho Falls Fanning Field
22h 47m2 stops Portland Seattle/Tacoma Intl
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
$441Alaska Airlines
Thu, Dec 24 - Mon, Dec 28
Delta Logo
6:35 pm - 10:35 pmBOI  Boise Air Term. Gowen Fld-IDA Idaho Falls Fanning Field
4h 00m1 stop Salt Lake City
Delta Logo
6:53 pm - 10:05 pmIDA  Idaho Falls Fanning Field-BOI Boise Air Term. Gowen Fld
3h 12m1 stop Salt Lake City
$445Delta
Tue, Dec 1 - Tue, Dec 8
Delta Logo
1:07 pm - 6:17 pmBOI  Boise Air Term. Gowen Fld-IDA Idaho Falls Fanning Field
5h 10m1 stop Salt Lake City
Delta Logo
5:35 am - 12:11 pmIDA  Idaho Falls Fanning Field-BOI Boise Air Term. Gowen Fld
6h 36m1 stop Salt Lake City
$465Delta
Sun, Jan 24 - Tue, Jan 26
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
Alaska Airlines Logo
8:00 am - 9:03 pmIDA  Idaho Falls Fanning Field-BOI Boise Air Term. Gowen Fld
13h 03m2 stops Seattle/Tacoma Intl San Diego
$474Alaska Airlines
Tue, Dec 8 - Wed, Dec 9
Alaska Airlines Logo
7:01 pm - 1:17 pmBOI  Boise Air Term. Gowen Fld-IDA Idaho Falls Fanning Field
18h 16m2 stops Los Angeles Portland
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
$482Alaska Airlines
Wed, Feb 17 - Fri, Feb 19
Alaska Airlines Logo
7:00 am - 3:29 pmBOI  Boise Air Term. Gowen Fld-IDA Idaho Falls Fanning Field
8h 29m2 stops Sacramento Intl Seattle/Tacoma Intl
Alaska Airlines Logo
4:00 pm - 12:50 pmIDA  Idaho Falls Fanning Field-BOI Boise Air Term. Gowen Fld
20h 50m1 stop Portland
$485Alaska Airlines
Fri, Dec 18 - Thu, Dec 31
Alaska Airlines Logo
5:35 am - 1:15 pmBOI  Boise Air Term. Gowen Fld-IDA Idaho Falls Fanning Field
7h 40m1 stop Portland
Alaska Airlines Logo
3:55 pm - 9:38 amIDA  Idaho Falls Fanning Field-BOI Boise Air Term. Gowen Fld
17h 43m1 stop Portland
$493Alaska Airlines
Thu, Dec 24 - Mon, Dec 28
Alaska Airlines Logo
8:20 am - 11:45 pmBOI  Boise Air Term. Gowen Fld-IDA Idaho Falls Fanning Field
15h 25m2 stops San Diego Seattle/Tacoma Intl
Alaska Airlines Logo
1:52 pm - 12:35 pmIDA  Idaho Falls Fanning Field-BOI Boise Air Term. Gowen Fld
22h 43m1 stop Seattle/Tacoma Intl
$495Alaska Airlines
Booking Insights

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

Round-trip flights from Boise to Idaho Falls typically range from $511 to $854. The lowest price found in the past 5 days was $405, on Delta.

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Key details for Boise to Idaho Falls flights

Cheapest flight

$203
One-way flight from Boise to Idaho Falls

When to book flights from Boise to Idaho Falls

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

Your Boise to Idaho Falls 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 Boise to Idaho Falls?

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

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

    There are currently no nonstop flights available from Boise to Idaho Falls. Flights with 1 layover take between 3h 47m and 6h 43m in total, depending on the connection.

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

    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 Boise to Idaho Falls 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 $405 to $1,370. That means the highest observed fare was about 3x higher than the lowest one.

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

    One-way fares from Boise to Idaho Falls are currently lower than usual. Average one-way flight prices are about $349, which is 16% below the typical average for this route.

  • What car rental options are available at Idaho Falls Fanning Field Airport (IDA)?

    Idaho Falls Fanning Field Airport (IDA) hosts 5 major car rental companies, with daily rates averaging $97 for economy cars. Top options include:

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

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

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

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

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

    • Salt Lake City (SLC) - 80% of one-stop connections
    • Seattle/Tacoma Intl (SEA) - 20% of one-stop connections

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

    Yes. Flexible dates can save you up to 41% on flights from Boise to Idaho Falls. Monday is the cheapest departure day at $511 round-trip on average, while Friday is the most expensive at $854, a difference of $343.

    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 Boise to Idaho Falls?

    Flying via Salt Lake City (SLC) gives the shortest average 1-stop total travel time at 3h 47m, compared with 6h 43m via Seattle/Tacoma Intl (SEA).

Your guide to booking Boise to Idaho Falls 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 Monday departure and avoid flying on Friday. On this route, Monday flights average $511, about $343 less than Friday fares (40% 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 Idaho Falls Fanning Field Airport.

    • Tru by Hilton Idaho Falls
    • Comfort Suites Idaho Falls
    • Best Western Plus CottonTree Inn

More options for your flight from Boise to Idaho Falls

Complete your trip to Idaho Falls with a hotel stay or car rental

Car rentals in Idaho Falls
Hotels in Idaho Falls
Vacations in Idaho Falls