GEG - IDA

$203 Find Cheap Flights from Spokane 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: $404-$764
Alaska Airlines
Sat 1/6Fri 1/12
GEG - IDA • 1 stop
Cheapest one-way
$203
Typical prices: $219-$427
Delta
Sat 12/1
GEG - IDA • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Spokane and Idaho Falls. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
April
Cheapest • 48% price drop
January
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Seattle/Tacoma Intl (SEA)
Cheapest • Avg $356 (round-trip)
Portland (PDX)
Shortest trip • 4h 05m (one-way)
Insights
Insights
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Flight Deals

Cheap Flights from Spokane to Idaho Falls (GEG-IDA)

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

Recent round-trip flight deals from Spokane to Idaho Falls

Wed, Jan 6 - Tue, Jan 12
Alaska Airlines Logo
10:06 am - 3:21 pmGEG  Spokane-IDA Idaho Falls Fanning Field
4h 15m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
3:58 pm - 6:59 pmIDA  Idaho Falls Fanning Field-GEG Spokane
4h 01m1 stop Portland
$405Alaska Airlines
Thu, Nov 19 - Mon, Nov 23
Allegiant Air Logo
8:34 pm - 3:34 pmGEG  Spokane-IDA Idaho Falls Fanning Field
18h 00m1 stop Las Vegas Harry Reid Intl
Allegiant Air Logo
10:25 pm - 8:36 amIDA  Idaho Falls Fanning Field-GEG Spokane
11h 11m1 stop Las Vegas Harry Reid Intl
$408Allegiant Air
Tue, Dec 22 - Tue, Dec 29
Alaska Airlines Logo
4:37 pm - 11:45 pmGEG  Spokane-IDA Idaho Falls Fanning Field
6h 08m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
6:00 am - 11:32 amIDA  Idaho Falls Fanning Field-GEG Spokane
6h 32m1 stop Seattle/Tacoma Intl
$415Alaska Airlines
Wed, Dec 2 - Wed, Dec 9
Alaska Airlines Logo
8:03 am - 1:17 pmGEG  Spokane-IDA Idaho Falls Fanning Field
4h 14m1 stop Portland
Alaska Airlines Logo
3:44 pm - 11:02 pmIDA  Idaho Falls Fanning Field-GEG Spokane
32h 18m2 stops Portland San Diego
$421Alaska Airlines
Wed, Dec 2 - Wed, Dec 9
Alaska Airlines Logo
8:03 am - 1:17 pmGEG  Spokane-IDA Idaho Falls Fanning Field
4h 14m1 stop Portland
Alaska Airlines Logo
3:44 pm - 6:42 pmIDA  Idaho Falls Fanning Field-GEG Spokane
3h 58m1 stop Portland
$425Alaska Airlines
Wed, Jan 6 - Sat, Jan 9
Alaska Airlines Logo
3:45 pm - 10:52 pmGEG  Spokane-IDA Idaho Falls Fanning Field
6h 07m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
3:58 pm - 11:13 pmIDA  Idaho Falls Fanning Field-GEG Spokane
8h 15m2 stops Portland Los Angeles
$431Alaska Airlines
Tue, Dec 22 - Mon, Dec 28
Alaska Airlines Logo
4:37 pm - 11:45 pmGEG  Spokane-IDA Idaho Falls Fanning Field
6h 08m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
6:00 am - 10:17 amIDA  Idaho Falls Fanning Field-GEG Spokane
5h 17m1 stop Seattle/Tacoma Intl
$435Alaska Airlines
Sun, Jan 10 - Tue, Jan 12
Alaska Airlines Logo
8:08 am - 1:19 pmGEG  Spokane-IDA Idaho Falls Fanning Field
4h 11m1 stop Portland
Alaska Airlines Logo
1:56 pm - 9:15 pmIDA  Idaho Falls Fanning Field-GEG Spokane
32h 19m2 stops Seattle/Tacoma Intl San Diego
$441Alaska Airlines
Tue, Dec 29 - Sat, Jan 2
Alaska Airlines Logo
4:37 pm - 11:45 pmGEG  Spokane-IDA Idaho Falls Fanning Field
6h 08m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
6:00 am - 10:17 amIDA  Idaho Falls Fanning Field-GEG Spokane
5h 17m1 stop Seattle/Tacoma Intl
$445Alaska Airlines
Sat, Jan 23 - Wed, Jan 27
Alaska Airlines Logo
7:20 am - 3:21 pmGEG  Spokane-IDA Idaho Falls Fanning Field
7h 01m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
3:58 pm - 9:15 pmIDA  Idaho Falls Fanning Field-GEG Spokane
30h 17m2 stops Portland San Diego
$451Alaska Airlines
Booking Insights

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

Round-trip flights from Spokane to Idaho Falls typically range from $404 to $764. The lowest price found in the past 5 days was $405, on Alaska Airlines.

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Key details for Spokane to Idaho Falls flights

Low season

April

Cheapest flight

$203
Beat the crowds with an average 80% drop in travelers.
The most popular month to fly with an average 20% increase in travelers.
One-way flight from Spokane to Idaho Falls

When to book flights from Spokane to Idaho Falls

Are your dates flexible? Find out the best times to travel from Spokane 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 Spokane 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 Spokane to Idaho Falls?

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

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

    A nonstop flight from Spokane to Idaho Falls takes 00m, covering 387 miles.

  • Do I need a passport to fly from Spokane 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.

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

    Round-trip flights from Spokane to Idaho Falls range from $404 to $764, with an average of $500 over the past 12 months. Anything below $404 counts as a good deal.

  • Have flight prices from Spokane 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 $1,366. That means the highest observed fare was about 3x higher than the lowest one.

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

    One-way fares from Spokane to Idaho Falls are currently higher than usual. Average one-way flight prices are about $374, which is 13% above 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 Spokane to Idaho Falls?

    Flights from Spokane to Idaho Falls usually depart from Spokane (GEG) and arrive at Idaho Falls Fanning Field (IDA).

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

    One-stop flights from Spokane to Idaho Falls most commonly connect through:

    • Salt Lake City (SLC) - 56% of one-stop connections
    • Seattle/Tacoma Intl (SEA) - 31% of one-stop connections
    • Portland (PDX) - 13% of one-stop connections

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

    Yes. Flexible dates can save you up to 73% on flights from Spokane to Idaho Falls. Thursday is the cheapest departure day at $254 round-trip on average, while Monday is the most expensive at $921, a difference of $667.

    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 Spokane to Idaho Falls?

    Flying via Portland (PDX) gives the shortest average 1-stop total travel time at 4h 05m, compared with 4h 33m via Salt Lake City (SLC) and 4h 47m via Seattle/Tacoma Intl (SEA).

  • What is the time difference between Spokane and Idaho Falls?

    Idaho Falls is 1 hour ahead of Spokane (Mountain Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

Your guide to booking Spokane 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 Thursday departure and avoid flying on Monday. On this route, Thursday flights average $254, about $667 less than Monday fares (72% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Spokane to Idaho Falls trip for April. Fares historically average $258 round-trip in that month - typically $663 less than the most expensive month, which is July (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 Spokane 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