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Cheap flights from Spokane to Idaho Falls from $150

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 5/28. 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
5:21 pm - 10:56 pm
GEG
-
IDA
4h 35m
1 stop
Alaska Airlines Logo
1:46 pm - 5:00 pm
IDA
-
GEG
4h 14m
1 stop
$375Alaska Airlines
Wed, Sep 30 - Sat, Oct 3
Alaska Airlines Logo
5:00 am - 1:06 pm
GEG
-
IDA
7h 06m
1 stop
Alaska Airlines Logo
7:15 am - 11:00 am
IDA
-
GEG
4h 45m
1 stop
$407Alaska Airlines
Sun, Jul 19 - Tue, Jul 21
Alaska Airlines Logo
6:00 am - 10:56 pm
GEG
-
IDA
15h 56m
2 stops
Alaska Airlines Logo
4:12 pm - 6:49 pm
IDA
-
GEG
3h 37m
1 stop
$424Alaska Airlines
Wed, Sep 30 - Sat, Oct 3
Delta Logo
5:20 am - 10:43 am
GEG
-
IDA
4h 23m
1 stop
Delta Logo
6:00 am - 8:52 am
IDA
-
GEG
3h 52m
1 stop
$427Delta
Fri, Jul 10 - Sun, Jul 12
Delta Logo
5:20 am - 10:43 am
GEG
-
IDA
4h 23m
1 stop
Delta Logo
6:00 am - 8:52 am
IDA
-
GEG
3h 52m
1 stop
$435Delta
Fri, Jul 10 - Sun, Jul 12
Alaska Airlines Logo
12:49 pm - 1:24 pm
GEG
-
IDA
23h 35m
1 stop
Alaska Airlines Logo
6:18 am - 11:01 am
IDA
-
GEG
5h 43m
1 stop
$439Alaska Airlines
Sun, Aug 23 - Sun, Aug 30
Alaska Airlines Logo
5:52 am - 1:24 pm
GEG
-
IDA
6h 32m
2 stops
Alaska Airlines Logo
4:12 pm - 6:49 pm
IDA
-
GEG
3h 37m
1 stop
$444Alaska Airlines
Wed, Sep 30 - Sat, Oct 3
Alaska Airlines Logo
6:13 am - 3:37 pm
GEG
-
IDA
8h 24m
1 stop
Alaska Airlines Logo
7:15 am - 12:29 pm
IDA
-
GEG
6h 14m
1 stop
$459Alaska Airlines
Wed, Jun 17 - Tue, Jun 23
Alaska Airlines Logo
7:03 am - 1:24 pm
GEG
-
IDA
29h 21m
2 stops
Alaska Airlines Logo
6:18 am - 11:01 am
IDA
-
GEG
5h 43m
1 stop
$462Alaska Airlines
Sun, Aug 23 - Sun, Aug 30
Alaska Airlines Logo
8:33 pm - 10:56 pm
GEG
-
IDA
25h 23m
1 stop
Alaska Airlines Logo
6:18 am - 11:01 am
IDA
-
GEG
5h 43m
1 stop
$464Alaska Airlines
Sun, Aug 23 - Sun, Aug 30

Alaska Airlines flights from Spokane to Idaho Falls

Our best Alaska Airlines deals on Spokane to Idaho Falls flight tickets
Alaska Airlines
Sep 30
GEG5:21 pmSpokane
4h 35m
1 stop
IDA10:56 pmIdaho Falls Fanning Field
Oct 3
IDA1:46 pmIdaho Falls Fanning Field
4h 14m
1 stop
GEG5:00 pmSpokane
$375
Alaska Airlines
Jul 19
GEG5:00 amSpokane
7h 06m
1 stop
IDA1:06 pmIdaho Falls Fanning Field
Jul 21
IDA7:15 amIdaho Falls Fanning Field
4h 45m
1 stop
GEG11:00 amSpokane
$407
Alaska Airlines
Sep 30
GEG6:00 amSpokane
15h 56m
2 stops
IDA10:56 pmIdaho Falls Fanning Field
Oct 3
IDA4:12 pmIdaho Falls Fanning Field
3h 37m
1 stop
GEG6:49 pmSpokane
$424

Delta flights from Spokane to Idaho Falls

Our best Delta deals on Spokane to Idaho Falls flight tickets
Delta
Jul 10
GEG5:20 amSpokane
4h 23m
1 stop
IDA10:43 amIdaho Falls Fanning Field
Jul 12
IDA6:00 amIdaho Falls Fanning Field
3h 52m
1 stop
GEG8:52 amSpokane
$427
Delta
Jul 10
GEG5:20 amSpokane
4h 23m
1 stop
IDA10:43 amIdaho Falls Fanning Field
Jul 12
IDA6:00 amIdaho Falls Fanning Field
3h 52m
1 stop
GEG8:52 amSpokane
$435
Delta
Jun 16
GEG5:20 amSpokane
4h 23m
1 stop
IDA10:43 amIdaho Falls Fanning Field
Jun 24
IDA6:00 amIdaho Falls Fanning Field
4h 07m
1 stop
GEG9:07 amSpokane
$467

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 May 23, 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

Wed 9/30

5:21 pm-10:56 pm

1 stop4h 35m

Idaho Falls Fanning Field

Sat 10/3

1:46 pm-5:00 pm

1 stop4h 14m

$375

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Sun 7/19

5:00 am-1:06 pm

1 stop7h 06m

Idaho Falls Fanning Field

Tue 7/21

7:15 am-11:00 am

1 stop4h 45m

$407

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Wed 9/30

6:00 am-10:56 pm

2 stops15h 56m

Idaho Falls Fanning Field

Sat 10/3

4:12 pm-6:49 pm

1 stop3h 37m

$424
Quickest round-trip

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Fri 7/10

5:20 am-10:43 am

1 stop4h 23m

Idaho Falls Fanning Field

Sun 7/12

6:00 am-8:52 am

1 stop3h 52m

$427

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Fri 7/10

5:20 am-10:43 am

1 stop4h 23m

Idaho Falls Fanning Field

Sun 7/12

6:00 am-8:52 am

1 stop3h 52m

$435

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Sun 8/23

12:49 pm-1:24 pm

1 stop23h 35m

Idaho Falls Fanning Field

Sun 8/30

6:18 am-11:01 am

1 stop5h 43m

$439

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Wed 9/30

5:52 am-1:24 pm

2 stops6h 32m

Idaho Falls Fanning Field

Sat 10/3

4:12 pm-6:49 pm

1 stop3h 37m

$444

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Wed 6/17

6:13 am-3:37 pm

1 stop8h 24m

Idaho Falls Fanning Field

Tue 6/23

7:15 am-12:29 pm

1 stop6h 14m

$459

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Sun 8/23

7:03 am-1:24 pm

2 stops29h 21m

Idaho Falls Fanning Field

Sun 8/30

6:18 am-11:01 am

1 stop5h 43m

$462

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Sun 8/23

8:33 pm-10:56 pm

1 stop25h 23m

Idaho Falls Fanning Field

Sun 8/30

6:18 am-11:01 am

1 stop5h 43m

$464

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 January, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $227.

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

4h 14m

Direct flights

None
The fastest flight from Spokane to Idaho Falls takes 4h 14m
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 4h 14m 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
8,444 reviews
Search Delta flights
Alaska AirlinesPriceFrom $254Free CancellationRating
7.9
12,404 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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