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Cheap flights from Spokane to Idaho Falls from $244

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Spokane to Idaho Falls departing on 10/31. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
7:35 am - 11:59 pmGEG-IDA
15h 24m1 stop
Alaska Airlines Logo
5:05 am - 10:02 amIDA-GEG
5h 57m1 stop
$244Alaska Airlines
Find Deal
Fri, Oct 31 - Sun, Nov 2
Alaska Airlines Logo
5:51 am - 4:27 pmGEG-IDA
9h 36m1 stop
Alaska Airlines Logo
5:07 pm - 12:39 pmIDA-GEG
20h 32m1 stop
$254Alaska Airlines
Find Deal
Thu, Dec 4 - Sun, Dec 7
Alaska Airlines Logo
10:15 am - 11:59 pmGEG-IDA
12h 44m1 stop
Alaska Airlines Logo
6:05 am - 9:35 amIDA-GEG
4h 30m1 stop
$282Alaska Airlines
Find Deal
Tue, Nov 4 - Tue, Nov 11
Alaska Airlines Logo
1:20 pm - 3:13 pmGEG-IDA
24h 53m1 stop
Alaska Airlines Logo
6:05 am - 10:59 pmIDA-GEG
17h 54m1 stop
$284Alaska Airlines
Find Deal
Fri, Nov 7 - Sun, Nov 9
Alaska Airlines Logo
10:15 am - 3:13 pmGEG-IDA
3h 58m1 stop
Alaska Airlines Logo
6:05 am - 12:26 pmIDA-GEG
7h 21m1 stop
$285Alaska Airlines
Find Deal
Wed, Nov 5 - Wed, Nov 12
Alaska Airlines Logo
11:42 am - 11:59 pmGEG-IDA
11h 17m1 stop
Alaska Airlines Logo
6:05 am - 9:35 amIDA-GEG
4h 30m1 stop
$292Alaska Airlines
Find Deal
Fri, Oct 31 - Sat, Nov 1
Alaska Airlines Logo
5:00 am - 11:59 pmGEG-IDA
17h 59m2 stops
Alaska Airlines Logo
5:05 am - 11:22 pmIDA-GEG
19h 17m1 stop
$303Alaska Airlines
Find Deal
Fri, Oct 31 - Sun, Nov 2
Delta Logo
6:10 am - 10:21 pmGEG-IDA
15h 11m2 stops
Delta Logo
6:00 am - 9:24 amIDA-GEG
4h 24m1 stop
$305Delta
Find Deal
Tue, Mar 3 - Wed, Mar 11
Alaska Airlines Logo
1:33 pm - 11:59 pmGEG-IDA
9h 26m1 stop
Alaska Airlines Logo
5:07 pm - 11:40 amIDA-GEG
19h 33m2 stops
$313Alaska Airlines
Find Deal
Thu, Dec 4 - Sun, Dec 7
Delta Logo
5:45 am - 12:31 pmGEG-IDA
5h 46m1 stop
Delta Logo
6:00 am - 9:24 amIDA-GEG
4h 24m1 stop
$317Delta
Find Deal
Tue, Mar 3 - Wed, Mar 11

Alaska Airlines flights from Spokane to Idaho Falls

Our best Alaska Airlines deals on Spokane to Idaho Falls flight tickets
Alaska Airlines
Oct 31
GEG7:35 amSpokane
15h 24m
1 stop
IDA11:59 pmIdaho Falls Fanning Field
Nov 2
IDA5:05 amIdaho Falls Fanning Field
5h 57m
1 stop
GEG10:02 amSpokane
$244
Find similar
Alaska Airlines
Dec 4
GEG5:51 amSpokane
9h 36m
1 stop
IDA4:27 pmIdaho Falls Fanning Field
Dec 7
IDA5:07 pmIdaho Falls Fanning Field
20h 32m
1 stop
GEG12:39 pmSpokane
$254
Find similar
Alaska Airlines
Nov 4
GEG10:15 amSpokane
12h 44m
1 stop
IDA11:59 pmIdaho Falls Fanning Field
Nov 11
IDA6:05 amIdaho Falls Fanning Field
4h 30m
1 stop
GEG9:35 amSpokane
$282
Find similar

Delta flights from Spokane to Idaho Falls

Our best Delta deals on Spokane to Idaho Falls flight tickets
Delta
Mar 3
GEG6:10 amSpokane
15h 11m
2 stops
IDA10:21 pmIdaho Falls Fanning Field
Mar 11
IDA6:00 amIdaho Falls Fanning Field
4h 24m
1 stop
GEG9:24 amSpokane
$305
Find similar
Delta
Mar 3
GEG5:45 amSpokane
5h 46m
1 stop
IDA12:31 pmIdaho Falls Fanning Field
Mar 11
IDA6:00 amIdaho Falls Fanning Field
4h 24m
1 stop
GEG9:24 amSpokane
$317
Find similar
Delta
Mar 4
GEG3:05 pmSpokane
6h 16m
2 stops
IDA10:21 pmIdaho Falls Fanning Field
Mar 11
IDA6:00 amIdaho Falls Fanning Field
4h 24m
1 stop
GEG9:24 amSpokane
$322
Find similar

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 October 9, 2025.
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

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Fri 10/31

7:35 am-11:59 pm

1 stop15h 24m

Idaho Falls Fanning Field

Sun 11/2

5:05 am-10:02 am

1 stop5h 57m

$244

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Thu 12/4

5:51 am-4:27 pm

1 stop9h 36m

Idaho Falls Fanning Field

Sun 12/7

5:07 pm-12:39 pm

1 stop20h 32m

$254

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Tue 11/4

10:15 am-11:59 pm

1 stop12h 44m

Idaho Falls Fanning Field

Tue 11/11

6:05 am-9:35 am

1 stop4h 30m

$282

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Fri 11/7

1:20 pm-3:13 pm

1 stop24h 53m

Idaho Falls Fanning Field

Sun 11/9

6:05 am-10:59 pm

1 stop17h 54m

$284

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Wed 11/5

10:15 am-3:13 pm

1 stop3h 58m

Idaho Falls Fanning Field

Wed 11/12

6:05 am-12:26 pm

1 stop7h 21m

$285

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Fri 10/31

11:42 am-11:59 pm

1 stop11h 17m

Idaho Falls Fanning Field

Sat 11/1

6:05 am-9:35 am

1 stop4h 30m

$292

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Fri 10/31

5:00 am-11:59 pm

2 stops17h 59m

Idaho Falls Fanning Field

Sun 11/2

5:05 am-11:22 pm

1 stop19h 17m

$303

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Tue 3/3

6:10 am-10:21 pm

2 stops15h 11m

Idaho Falls Fanning Field

Wed 3/11

6:00 am-9:24 am

1 stop4h 24m

$305

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Thu 12/4

1:33 pm-11:59 pm

1 stop9h 26m

Idaho Falls Fanning Field

Sun 12/7

5:07 pm-11:40 am

2 stops19h 33m

$313

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Tue 3/3

5:45 am-12:31 pm

1 stop5h 46m

Idaho Falls Fanning Field

Wed 3/11

6:00 am-9:24 am

1 stop4h 24m

$317

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 day to depart on your flight to Idaho Falls?

Our data shows that Wednesday is the least expensive day to fly to Idaho Falls. Tickets to fly out on this day can be as low as $374. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to Idaho Falls on Friday is $489.

What is the cheapest time of day to depart on your flight to Idaho Falls?

Our most recent data shows that the best time of day to fly to Idaho Falls is in the afternoon. Flights from Spokane to Idaho Falls during this time can be as low as $402. Try not to purchase tickets at noon because they tend to be around $586. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

Direct flights

None
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 45m 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 $260Free CancellationRating
7.9
7,969 reviews
Search Delta flights
Alaska AirlinesPriceFrom $283Free CancellationRating
8.0
11,050 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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