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Cheap flights from Spokane to Idaho Falls from $147

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 8/16. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Spokane to Idaho Falls

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:14 pm - 4:05 pm
GEG
-
IDA
17h 51m
1 stop
Multiple Airlines Logo
10:54 pm - 3:56 pm
IDA
-
GEG
42h 02m
2 stops
$332Multiple Airlines
Sun, Aug 9 - Fri, Aug 14
Alaska Airlines Logo
7:03 am - 3:20 pm
GEG
-
IDA
7h 17m
1 stop
Alaska Airlines Logo
6:18 am - 11:37 am
IDA
-
GEG
6h 19m
1 stop
$355Alaska Airlines
Tue, Sep 22 - Wed, Sep 23
Multiple Airlines Logo
9:14 pm - 4:05 pm
GEG
-
IDA
17h 51m
1 stop
Multiple Airlines Logo
10:54 pm - 3:56 pm
IDA
-
GEG
42h 02m
2 stops
$372Multiple Airlines
Sun, Aug 9 - Fri, Aug 14
Alaska Airlines Logo
4:37 pm - 11:42 pm
GEG
-
IDA
6h 05m
1 stop
Alaska Airlines Logo
1:53 pm - 4:44 pm
IDA
-
GEG
3h 51m
1 stop
$375Alaska Airlines
Tue, Nov 3 - Sat, Nov 7
Alaska Airlines Logo
8:31 am - 3:20 pm
GEG
-
IDA
5h 49m
1 stop
Alaska Airlines Logo
2:01 pm - 5:41 pm
IDA
-
GEG
4h 40m
1 stop
$383Alaska Airlines
Sat, Aug 29 - Sat, Sep 5
Multiple Airlines Logo
9:14 pm - 4:05 pm
GEG
-
IDA
17h 51m
1 stop
Multiple Airlines Logo
10:54 pm - 3:56 pm
IDA
-
GEG
42h 02m
2 stops
$386Multiple Airlines
Sun, Aug 9 - Fri, Aug 14
Multiple Airlines Logo
9:14 pm - 4:05 pm
GEG
-
IDA
17h 51m
1 stop
Multiple Airlines Logo
10:54 pm - 3:56 pm
IDA
-
GEG
42h 02m
2 stops
$394Multiple Airlines
Sun, Aug 9 - Fri, Aug 14
Alaska Airlines Logo
4:37 pm - 11:42 pm
GEG
-
IDA
6h 05m
1 stop
Alaska Airlines Logo
3:54 pm - 6:44 pm
IDA
-
GEG
3h 50m
1 stop
$395Alaska Airlines
Fri, Nov 6 - Mon, Nov 9
Alaska Airlines Logo
3:34 pm - 10:56 pm
GEG
-
IDA
6h 22m
1 stop
Alaska Airlines Logo
6:18 am - 11:53 pm
IDA
-
GEG
18h 35m
2 stops
$404Alaska Airlines
Tue, Sep 22 - Wed, Sep 23
Alaska Airlines Logo
9:41 am - 3:20 pm
GEG
-
IDA
4h 39m
1 stop
Alaska Airlines Logo
6:18 am - 10:49 pm
IDA
-
GEG
17h 31m
2 stops
$414Alaska Airlines
Sat, Aug 29 - Sat, Sep 5

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Delta flights from Spokane to Idaho Falls

Our best Delta deals on Spokane to Idaho Falls flight tickets
Delta
Sep 21
GEG1:25 pmSpokane
3h 52m
1 stop
IDA6:17 pmIdaho Falls Fanning Field
Sep 23
IDA6:57 pmIdaho Falls Fanning Field
6h 00m
1 stop
GEG11:57 pmSpokane
$375
Delta
Aug 23
GEG5:30 amSpokane
4h 20m
1 stop
IDA10:50 amIdaho Falls Fanning Field
Aug 30
IDA3:17 pmIdaho Falls Fanning Field
4h 02m
1 stop
GEG6:19 pmSpokane
$395
Delta
Aug 23
GEG5:30 amSpokane
4h 20m
1 stop
IDA10:50 amIdaho Falls Fanning Field
Aug 30
IDA6:00 amIdaho Falls Fanning Field
3h 58m
1 stop
GEG8:58 amSpokane
$417

Alaska Airlines flights from Spokane to Idaho Falls

Our best Alaska Airlines deals on Spokane to Idaho Falls flight tickets
Alaska Airlines
Sep 22
GEG7:03 amSpokane
7h 17m
1 stop
IDA3:20 pmIdaho Falls Fanning Field
Sep 23
IDA6:18 amIdaho Falls Fanning Field
6h 19m
1 stop
GEG11:37 amSpokane
$355
Alaska Airlines
Aug 29
GEG8:31 amSpokane
5h 49m
1 stop
IDA3:20 pmIdaho Falls Fanning Field
Sep 5
IDA2:01 pmIdaho Falls Fanning Field
4h 40m
1 stop
GEG5:41 pmSpokane
$383
Alaska Airlines
Sep 22
GEG3:34 pmSpokane
6h 22m
1 stop
IDA10:56 pmIdaho Falls Fanning Field
Sep 23
IDA6:18 amIdaho Falls Fanning Field
18h 35m
2 stops
GEG11:53 pmSpokane
$404

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 July 18, 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

Sun 8/9

9:14 pm-4:05 pm

1 stop17h 51m

Idaho Falls Fanning Field

Fri 8/14

10:54 pm-3:56 pm

2 stops42h 02m

$332

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Tue 9/22

7:03 am-3:20 pm

1 stop7h 17m

Idaho Falls Fanning Field

Wed 9/23

6:18 am-11:37 am

1 stop6h 19m

$355

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Sun 8/9

9:14 pm-4:05 pm

1 stop17h 51m

Idaho Falls Fanning Field

Fri 8/14

10:54 pm-3:56 pm

2 stops42h 02m

$372

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Tue 11/3

4:37 pm-11:42 pm

1 stop6h 05m

Idaho Falls Fanning Field

Sat 11/7

1:53 pm-4:44 pm

1 stop3h 51m

$375

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Sat 8/29

8:31 am-3:20 pm

1 stop5h 49m

Idaho Falls Fanning Field

Sat 9/5

2:01 pm-5:41 pm

1 stop4h 40m

$383

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Sun 8/9

9:14 pm-4:05 pm

1 stop17h 51m

Idaho Falls Fanning Field

Fri 8/14

10:54 pm-3:56 pm

2 stops42h 02m

$386

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Sun 8/9

9:14 pm-4:05 pm

1 stop17h 51m

Idaho Falls Fanning Field

Fri 8/14

10:54 pm-3:56 pm

2 stops42h 02m

$394
Quickest round-trip

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Fri 11/6

4:37 pm-11:42 pm

1 stop6h 05m

Idaho Falls Fanning Field

Mon 11/9

3:54 pm-6:44 pm

1 stop3h 50m

$395

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Tue 9/22

3:34 pm-10:56 pm

1 stop6h 22m

Idaho Falls Fanning Field

Wed 9/23

6:18 am-11:53 pm

2 stops18h 35m

$404

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Sat 8/29

9:41 am-3:20 pm

1 stop4h 39m

Idaho Falls Fanning Field

Sat 9/5

6:18 am-10:49 pm

2 stops17h 31m

$414

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 cheapest month to fly to Idaho Falls?

If you aren’t able to travel to Idaho Falls during the month of May, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $0.

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 35m

Direct flights

None
The fastest flight from Spokane to Idaho Falls takes 3h 35m
There are no direct flights from Spokane to Idaho Falls. There are no popular flight routes from Spokane to Idaho Falls.
Search flight deals

Frequently asked questions about flying from Spokane to Idaho Falls

  • 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 35m 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
Alaska AirlinesPriceFrom $254Free CancellationRating
7.9
12,671 reviews
Search Alaska Airlines flights
DeltaPriceFrom $292Free CancellationRating
7.8
8,476 reviews
Search Delta 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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