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Cheap flights from Spokane to Idaho Falls from $198

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 3/19. 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.
Delta Logo
4:59 pm - 10:57 pm
GEG
-
IDA
4h 58m
1 stop
Delta Logo
6:35 pm - 11:59 pm
IDA
-
GEG
6h 24m
1 stop
$360Delta
Wed, Feb 4 - Wed, Feb 11
Delta Logo
1:20 pm - 10:57 pm
GEG
-
IDA
8h 37m
2 stops
Delta Logo
6:35 pm - 11:59 pm
IDA
-
GEG
6h 24m
1 stop
$365Delta
Wed, Feb 4 - Wed, Feb 11
Alaska Airlines Logo
7:43 pm - 5:19 pm
GEG
-
IDA
20h 36m
1 stop
Alaska Airlines Logo
6:00 am - 12:29 pm
IDA
-
GEG
7h 29m
1 stop
$389Alaska Airlines
Thu, Mar 19 - Mon, Jun 29
Alaska Airlines Logo
7:41 pm - 10:40 pm
GEG
-
IDA
25h 59m
1 stop
Alaska Airlines Logo
6:00 am - 10:38 am
IDA
-
GEG
5h 38m
1 stop
$393Alaska Airlines
Fri, May 8 - Sun, May 10
Alaska Airlines Logo
3:33 pm - 10:52 pm
GEG
-
IDA
6h 19m
1 stop
Alaska Airlines Logo
6:00 am - 9:24 pm
IDA
-
GEG
16h 24m
1 stop
$403Alaska Airlines
Sat, Apr 11 - Sun, Apr 12
Delta Logo
4:59 pm - 10:57 pm
GEG
-
IDA
4h 58m
1 stop
Delta Logo
5:25 am - 9:09 am
IDA
-
GEG
4h 44m
1 stop
$414Delta
Wed, Feb 4 - Thu, Feb 12
Delta Logo
5:15 am - 12:34 pm
GEG
-
IDA
6h 19m
1 stop
Delta Logo
5:25 am - 12:35 pm
IDA
-
GEG
8h 10m
2 stops
$419Delta
Wed, Feb 4 - Thu, Feb 12
Delta Logo
1:20 pm - 10:57 pm
GEG
-
IDA
8h 37m
2 stops
Delta Logo
5:25 am - 12:35 pm
IDA
-
GEG
8h 10m
2 stops
$425Delta
Wed, Feb 4 - Thu, Feb 12
Alaska Airlines Logo
9:25 am - 10:52 pm
GEG
-
IDA
12h 27m
1 stop
Alaska Airlines Logo
4:59 pm - 7:41 am
IDA
-
GEG
15h 42m
2 stops
$426Alaska Airlines
Sat, Apr 11 - Sun, Apr 12
Delta Logo
5:45 am - 10:39 am
GEG
-
IDA
3h 54m
1 stop
Delta Logo
6:10 am - 9:12 am
IDA
-
GEG
4h 02m
1 stop
$435Delta
Mon, Jul 13 - Fri, Jul 17

Alaska Airlines flights from Spokane to Idaho Falls

Our best Alaska Airlines deals on Spokane to Idaho Falls flight tickets
Alaska Airlines
Feb 28
GEG8:29 pmSpokane
26h 07m
1 stop
IDA11:36 pmIdaho Falls Fanning Field
Mar 5
IDA5:20 pmIdaho Falls Fanning Field
6h 41m
1 stop
GEG11:01 pmSpokane
$285
Alaska Airlines
Feb 20
GEG1:23 pmSpokane
9h 13m
1 stop
IDA11:36 pmIdaho Falls Fanning Field
Feb 28
IDA5:20 pmIdaho Falls Fanning Field
6h 41m
1 stop
GEG11:01 pmSpokane
$340
Alaska Airlines
Feb 28
GEG8:29 pmSpokane
26h 07m
1 stop
IDA11:36 pmIdaho Falls Fanning Field
Mar 5
IDA5:20 pmIdaho Falls Fanning Field
15h 09m
2 stops
GEG7:29 amSpokane
$376

Delta flights from Spokane to Idaho Falls

Our best Delta deals on Spokane to Idaho Falls flight tickets
Delta
Feb 4
GEG4:59 pmSpokane
4h 58m
1 stop
IDA10:57 pmIdaho Falls Fanning Field
Feb 11
IDA6:35 pmIdaho Falls Fanning Field
6h 24m
1 stop
GEG11:59 pmSpokane
$360
Delta
Feb 20
GEG1:20 pmSpokane
3h 29m
1 stop
IDA5:49 pmIdaho Falls Fanning Field
Feb 28
IDA1:10 pmIdaho Falls Fanning Field
6h 45m
2 stops
GEG6:55 pmSpokane
$362
Delta
Feb 4
GEG1:20 pmSpokane
8h 37m
2 stops
IDA10:57 pmIdaho Falls Fanning Field
Feb 11
IDA6:35 pmIdaho Falls Fanning Field
6h 24m
1 stop
GEG11:59 pmSpokane
$365

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 January 21, 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

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Wed 2/4

4:59 pm-10:57 pm

1 stop4h 58m

Idaho Falls Fanning Field

Wed 2/11

6:35 pm-11:59 pm

1 stop6h 24m

$360

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Wed 2/4

1:20 pm-10:57 pm

2 stops8h 37m

Idaho Falls Fanning Field

Wed 2/11

6:35 pm-11:59 pm

1 stop6h 24m

$365

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Thu 3/19

7:43 pm-5:19 pm

1 stop20h 36m

Idaho Falls Fanning Field

Mon 6/29

6:00 am-12:29 pm

1 stop7h 29m

$389

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Fri 5/8

7:41 pm-10:40 pm

1 stop25h 59m

Idaho Falls Fanning Field

Sun 5/10

6:00 am-10:38 am

1 stop5h 38m

$393

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Sat 4/11

3:33 pm-10:52 pm

1 stop6h 19m

Idaho Falls Fanning Field

Sun 4/12

6:00 am-9:24 pm

1 stop16h 24m

$403

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Wed 2/4

4:59 pm-10:57 pm

1 stop4h 58m

Idaho Falls Fanning Field

Thu 2/12

5:25 am-9:09 am

1 stop4h 44m

$414

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Wed 2/4

5:15 am-12:34 pm

1 stop6h 19m

Idaho Falls Fanning Field

Thu 2/12

5:25 am-12:35 pm

2 stops8h 10m

$419

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Wed 2/4

1:20 pm-10:57 pm

2 stops8h 37m

Idaho Falls Fanning Field

Thu 2/12

5:25 am-12:35 pm

2 stops8h 10m

$425

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Sat 4/11

9:25 am-10:52 pm

1 stop12h 27m

Idaho Falls Fanning Field

Sun 4/12

4:59 pm-7:41 am

2 stops15h 42m

$426

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Mon 7/13

5:45 am-10:39 am

1 stop3h 54m

Idaho Falls Fanning Field

Fri 7/17

6:10 am-9:12 am

1 stop4h 02m

$435

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 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

5h 54m

Direct flights

None
The fastest flight from Spokane to Idaho Falls takes 5h 54m
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 5h 54m 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
8.0
11,768 reviews
Search Alaska Airlines flights
DeltaPriceFrom $260Free CancellationRating
7.9
8,086 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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