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Cheap flights from Spokane to Idaho Falls from $145

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Spokane to Idaho Falls departing on 4/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Spokane to Idaho Falls

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
2:45 pm - 10:40 pm
GEG
-
IDA
6h 55m
1 stop
Alaska Airlines Logo
6:00 am - 10:38 am
IDA
-
GEG
5h 38m
1 stop
$337Alaska Airlines
Tue, Apr 28 - Sat, May 2
Alaska Airlines Logo
11:18 am - 10:40 pm
GEG
-
IDA
10h 22m
1 stop
Alaska Airlines Logo
4:06 pm - 6:59 pm
IDA
-
GEG
3h 53m
1 stop
$355Alaska Airlines
Tue, Apr 28 - Tue, May 5
Alaska Airlines Logo
5:00 pm - 10:40 pm
GEG
-
IDA
4h 40m
1 stop
Alaska Airlines Logo
6:00 am - 10:38 am
IDA
-
GEG
5h 38m
1 stop
$375Alaska Airlines
Tue, Apr 28 - Sat, May 2
Alaska Airlines Logo
1:59 pm - 3:26 pm
GEG
-
IDA
24h 27m
1 stop
Alaska Airlines Logo
4:03 pm - 11:52 am
IDA
-
GEG
20h 49m
1 stop
$383Alaska Airlines
Fri, May 15 - Sun, May 17
Alaska Airlines Logo
5:00 pm - 10:40 pm
GEG
-
IDA
4h 40m
1 stop
Alaska Airlines Logo
6:00 am - 9:00 am
IDA
-
GEG
4h 00m
1 stop
$386Alaska Airlines
Tue, Apr 28 - Sat, May 2
Alaska Airlines Logo
5:00 pm - 10:40 pm
GEG
-
IDA
4h 40m
1 stop
Alaska Airlines Logo
6:00 am - 9:01 am
IDA
-
GEG
4h 01m
1 stop
$395Alaska Airlines
Tue, Apr 28 - Fri, May 1
Alaska Airlines Logo
10:30 am - 10:40 pm
GEG
-
IDA
11h 10m
2 stops
Alaska Airlines Logo
6:00 am - 10:38 am
IDA
-
GEG
5h 38m
1 stop
$407Alaska Airlines
Tue, Apr 28 - Sat, May 2
Alaska Airlines Logo
5:00 pm - 10:40 pm
GEG
-
IDA
4h 40m
1 stop
Alaska Airlines Logo
6:00 am - 9:00 am
IDA
-
GEG
4h 00m
1 stop
$415Alaska Airlines
Tue, Apr 28 - Sat, May 2
Alaska Airlines Logo
11:18 am - 10:40 pm
GEG
-
IDA
10h 22m
1 stop
Alaska Airlines Logo
6:00 am - 10:38 am
IDA
-
GEG
5h 38m
1 stop
$433Alaska Airlines
Fri, Apr 24 - Tue, Apr 28
Alaska Airlines Logo
3:12 pm - 10:40 pm
GEG
-
IDA
6h 28m
1 stop
Alaska Airlines Logo
4:06 pm - 9:31 pm
IDA
-
GEG
6h 25m
1 stop
$435Alaska Airlines
Fri, May 8 - Sun, May 10

Alaska Airlines flights from Spokane to Idaho Falls

Our best Alaska Airlines deals on Spokane to Idaho Falls flight tickets
Alaska Airlines
Apr 28
GEG2:45 pmSpokane
6h 55m
1 stop
IDA10:40 pmIdaho Falls Fanning Field
May 2
IDA6:00 amIdaho Falls Fanning Field
5h 38m
1 stop
GEG10:38 amSpokane
$337
Alaska Airlines
Apr 28
GEG11:18 amSpokane
10h 22m
1 stop
IDA10:40 pmIdaho Falls Fanning Field
May 5
IDA4:06 pmIdaho Falls Fanning Field
3h 53m
1 stop
GEG6:59 pmSpokane
$355
Alaska Airlines
Apr 28
GEG5:00 pmSpokane
4h 40m
1 stop
IDA10:40 pmIdaho Falls Fanning Field
May 2
IDA6:00 amIdaho Falls Fanning Field
5h 38m
1 stop
GEG10:38 amSpokane
$375

Delta flights from Spokane to Idaho Falls

Our best Delta deals on Spokane to Idaho Falls flight tickets
Delta
Apr 28
GEG5:10 pmSpokane
4h 30m
1 stop
IDA10:40 pmIdaho Falls Fanning Field
Apr 30
IDA1:09 pmIdaho Falls Fanning Field
6h 14m
1 stop
GEG6:23 pmSpokane
$475
Delta
Jun 19
GEG5:05 pmSpokane
4h 26m
1 stop
IDA10:31 pmIdaho Falls Fanning Field
Jun 22
IDA11:28 amIdaho Falls Fanning Field
5h 42m
1 stop
GEG4:10 pmSpokane
$497
Delta
Apr 18
GEG5:30 amSpokane
5h 56m
1 stop
IDA12:26 pmIdaho Falls Fanning Field
Apr 19
IDA6:58 pmIdaho Falls Fanning Field
5h 36m
1 stop
GEG11:34 pmSpokane
$511

momondo Fare Finder

 
Customize your flight search to find flights from Spokane to Idaho Falls that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated April 1, 2026.
Use the filters below to find and compare flights from Spokane to Idaho Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Tue 4/28

2:45 pm-10:40 pm

1 stop6h 55m

Idaho Falls Fanning Field

Sat 5/2

6:00 am-10:38 am

1 stop5h 38m

$337

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Tue 4/28

11:18 am-10:40 pm

1 stop10h 22m

Idaho Falls Fanning Field

Tue 5/5

4:06 pm-6:59 pm

1 stop3h 53m

$355

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Tue 4/28

5:00 pm-10:40 pm

1 stop4h 40m

Idaho Falls Fanning Field

Sat 5/2

6:00 am-10:38 am

1 stop5h 38m

$375

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Fri 5/15

1:59 pm-3:26 pm

1 stop24h 27m

Idaho Falls Fanning Field

Sun 5/17

4:03 pm-11:52 am

1 stop20h 49m

$383
Quickest round-trip

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Tue 4/28

5:00 pm-10:40 pm

1 stop4h 40m

Idaho Falls Fanning Field

Sat 5/2

6:00 am-9:00 am

1 stop4h 00m

$386

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Tue 4/28

5:00 pm-10:40 pm

1 stop4h 40m

Idaho Falls Fanning Field

Fri 5/1

6:00 am-9:01 am

1 stop4h 01m

$395

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Tue 4/28

10:30 am-10:40 pm

2 stops11h 10m

Idaho Falls Fanning Field

Sat 5/2

6:00 am-10:38 am

1 stop5h 38m

$407

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Tue 4/28

5:00 pm-10:40 pm

1 stop4h 40m

Idaho Falls Fanning Field

Sat 5/2

6:00 am-9:00 am

1 stop4h 00m

$415

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Fri 4/24

11:18 am-10:40 pm

1 stop10h 22m

Idaho Falls Fanning Field

Tue 4/28

6:00 am-10:38 am

1 stop5h 38m

$433

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Fri 5/8

3:12 pm-10:40 pm

1 stop6h 28m

Idaho Falls Fanning Field

Sun 5/10

4:06 pm-9:31 pm

1 stop6h 25m

$435

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
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See travel insights to Idaho Falls from

How to get the cheapest flight ticket from Spokane to Idaho Falls

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Spokane and Idaho Falls?

When to book flights from Spokane to Idaho Falls

Are you open to changing your travel dates? Check out the ideal times to fly from Spokane to Idaho Falls according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Spokane to Idaho Falls (GEG to IDA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Spokane to Idaho Falls

Fastest flight time

3h 39m

Direct flights

None
The fastest flight from Spokane to Idaho Falls takes 3h 39m
There are no direct flights from Spokane to Idaho Falls. There are no popular flight routes from Spokane to Idaho Falls.
Search flight deals

  • How far is Spokane to Idaho Falls Fanning Field by plane?

    Spokane and Idaho Falls Fanning Field are 389.5 mi apart from one another. Typically, this will take 3h 39m by plane in normal conditions.

  • When did momondo last update prices for flights from Spokane Airport to Idaho Falls Fanning Field Airport?

    Prices for flights from Spokane Airport to Idaho Falls Fanning Field Airport refresh daily.

  • How many operators does momondo search for flights from Spokane Airport to Idaho Falls Fanning Field Airport?

  • How old do you have to be to fly from Spokane Airport to Idaho Falls Fanning Field Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Spokane Airport to Idaho Falls Fanning Field Airport.

  • What documentation or ID do you need to fly to Idaho Falls Fanning Field Airport?

    The travel and health documents required for your trip to Idaho Falls Fanning Field Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Idaho Falls Fanning Field Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Spokane to Idaho Falls?

Best airlines flying from Spokane to Idaho Falls

Compare and see reviews for airlines that fly from Spokane to Idaho Falls with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $227Free CancellationRating
7.9
8,367 reviews
Search Delta flights
Alaska AirlinesPriceFrom $254Free CancellationRating
7.9
12,146 reviews
Search Alaska Airlines flights

Traveling to a place near Idaho Falls?

Book flights to Idaho Falls if you plan to visit one of these locations
Rexburg

Why use momondo?

Why should I use momondo to find a flight deal from Spokane to Idaho Falls?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Idaho Falls from Spokane.

Can I find flights from Spokane to Idaho Falls with flexible booking policies on momondo?

All flight searches from Spokane to Idaho Falls on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Spokane to Idaho Falls?

Once all potential Spokane to Idaho Falls flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Spokane to Idaho Falls right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Spokane to Idaho Falls now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Idaho Falls and let you know when they change.

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