Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Spokane to Idaho Falls from $119

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 10/25. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Spokane to Idaho Falls

Cheap round-trip flights

Alaska Airlines Logo
5:54 pm - 10:38 pmGEG-IDA
3h 44m1 stop
Alaska Airlines Logo
6:00 am - 9:32 amIDA-GEG
4h 32m1 stop
$238Alaska Airlines
Find Deal
Tue, Oct 7 - Sat, Oct 11
Delta Logo
1:16 pm - 10:15 pmGEG-IDA
7h 59m2 stops
Delta Logo
6:53 pm - 10:34 pmIDA-GEG
4h 41m1 stop
$244Delta
Find Deal
Tue, Oct 7 - Sat, Oct 11
Delta Logo
5:45 am - 10:39 amGEG-IDA
3h 54m1 stop
Delta Logo
6:52 pm - 10:30 pmIDA-GEG
4h 38m1 stop
$269Delta
Find Deal
Tue, Sep 2 - Tue, Sep 9
Delta Logo
5:45 am - 10:39 amGEG-IDA
3h 54m1 stop
Delta Logo
3:00 pm - 12:02 amIDA-GEG
10h 02m2 stops
$274Delta
Find Deal
Tue, Sep 2 - Tue, Sep 9
Delta Logo
1:16 pm - 10:15 pmGEG-IDA
7h 59m2 stops
Delta Logo
6:53 pm - 8:37 amIDA-GEG
14h 44m2 stops
$291Delta
Find Deal
Tue, Oct 7 - Sat, Oct 11
Delta Logo
1:16 pm - 10:15 pmGEG-IDA
7h 59m2 stops
Delta Logo
6:53 pm - 10:36 amIDA-GEG
16h 43m2 stops
$292Delta
Find Deal
Tue, Oct 7 - Sat, Oct 11
Hawaiian Airlines Logo
8:45 am - 3:13 pmGEG-IDA
5h 28m1 stop
Hawaiian Airlines Logo
3:50 pm - 9:14 pmIDA-GEG
6h 24m1 stop
$336Hawaiian Airlines
Find Deal
Fri, Nov 7 - Sun, Nov 9
Alaska Airlines Logo
8:45 pm - 10:39 pmGEG-IDA
24h 54m1 stop
Alaska Airlines Logo
6:13 am - 10:46 pmIDA-GEG
17h 33m1 stop
$353Alaska Airlines
Find Deal
Fri, Aug 29 - Sun, Aug 31
United Airlines Logo
1:38 pm - 9:47 amGEG-IDA
19h 09m1 stop
United Airlines Logo
4:00 pm - 12:36 pmIDA-GEG
21h 36m1 stop
$464United Airlines
Find Deal
Sat, Aug 30 - Tue, Sep 2
United Airlines Logo
4:00 pm - 5:23 pmGEG-IDA
24h 23m1 stop
United Airlines Logo
4:00 pm - 12:36 pmIDA-GEG
21h 36m1 stop
$481United Airlines
Find Deal
Fri, Aug 29 - Tue, Sep 2

Alaska Airlines flights from Spokane to Idaho Falls

Our best Alaska Airlines deals on Spokane to Idaho Falls flight tickets
Alaska Airlines
Oct 7
GEG5:54 pmSpokane
3h 44m
1 stop
IDA10:38 pmIdaho Falls Fanning Field
Oct 11
IDA6:00 amIdaho Falls Fanning Field
4h 32m
1 stop
GEG9:32 amSpokane
$238
Find similar
Alaska Airlines
Aug 29
GEG8:45 pmSpokane
24h 54m
1 stop
IDA10:39 pmIdaho Falls Fanning Field
Aug 31
IDA6:13 amIdaho Falls Fanning Field
17h 33m
1 stop
GEG10:46 pmSpokane
$353
Find similar
Alaska Airlines
Oct 10
GEG11:46 amSpokane
26h 52m
1 stop
IDA3:38 pmIdaho Falls Fanning Field
Oct 12
IDA6:00 amIdaho Falls Fanning Field
19h 27m
1 stop
GEG12:27 amSpokane
$383
Find similar

United Airlines flights from Spokane to Idaho Falls

Our best United Airlines deals on Spokane to Idaho Falls flight tickets
United Airlines
Aug 30
GEG1:38 pmSpokane
19h 09m
1 stop
IDA9:47 amIdaho Falls Fanning Field
Sep 2
IDA4:00 pmIdaho Falls Fanning Field
21h 36m
1 stop
GEG12:36 pmSpokane
$464
Find similar
United Airlines
Aug 29
GEG4:00 pmSpokane
24h 23m
1 stop
IDA5:23 pmIdaho Falls Fanning Field
Sep 2
IDA4:00 pmIdaho Falls Fanning Field
21h 36m
1 stop
GEG12:36 pmSpokane
$481
Find similar
United Airlines
Aug 22
GEG12:35 pmSpokane
20h 12m
2 stops
IDA9:47 amIdaho Falls Fanning Field
Aug 26
IDA4:00 pmIdaho Falls Fanning Field
21h 36m
1 stop
GEG12:36 pmSpokane
$606
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 August 7, 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

Tue 10/7

5:54 pm-10:38 pm

1 stop3h 44m

Idaho Falls Fanning Field

Sat 10/11

6:00 am-9:32 am

1 stop4h 32m

$238

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Tue 10/7

1:16 pm-10:15 pm

2 stops7h 59m

Idaho Falls Fanning Field

Sat 10/11

6:53 pm-10:34 pm

1 stop4h 41m

$244

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Tue 9/2

5:45 am-10:39 am

1 stop3h 54m

Idaho Falls Fanning Field

Tue 9/9

6:52 pm-10:30 pm

1 stop4h 38m

$269

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Tue 9/2

5:45 am-10:39 am

1 stop3h 54m

Idaho Falls Fanning Field

Tue 9/9

3:00 pm-12:02 am

2 stops10h 02m

$274

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Tue 10/7

1:16 pm-10:15 pm

2 stops7h 59m

Idaho Falls Fanning Field

Sat 10/11

6:53 pm-8:37 am

2 stops14h 44m

$291

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Tue 10/7

1:16 pm-10:15 pm

2 stops7h 59m

Idaho Falls Fanning Field

Sat 10/11

6:53 pm-10:36 am

2 stops16h 43m

$292

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Fri 11/7

8:45 am-3:13 pm

1 stop5h 28m

Idaho Falls Fanning Field

Sun 11/9

3:50 pm-9:14 pm

1 stop6h 24m

$336

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Fri 8/29

8:45 pm-10:39 pm

1 stop24h 54m

Idaho Falls Fanning Field

Sun 8/31

6:13 am-10:46 pm

1 stop17h 33m

$353

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Sat 8/30

1:38 pm-9:47 am

1 stop19h 09m

Idaho Falls Fanning Field

Tue 9/2

4:00 pm-12:36 pm

1 stop21h 36m

$464

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Fri 8/29

4:00 pm-5:23 pm

1 stop24h 23m

Idaho Falls Fanning Field

Tue 9/2

4:00 pm-12:36 pm

1 stop21h 36m

$481

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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

Best Price Found

$119

Fastest flight time

3h 44m

Direct flights

None

Airports in Idaho Falls

1 airport
The best one-way flight to Idaho Falls from Spokane in the past 72 hours is $119. The best round-trip flight deal from Spokane to Idaho Falls found on momondo in the last 72 hours is $238.
The fastest flight from Spokane to Idaho Falls takes 3h 44m
There are no direct flights from Spokane to Idaho Falls. Popular non-direct route for this connection is Spokane Airport - Idaho Falls Fanning Field Airport.
There is 1 airport near Idaho Falls: Idaho Falls Fanning Field (IDA)
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 44m 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 $145Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
DeltaPriceFrom $260Free CancellationRating
8.0
7,985 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.

An easier way to manage your Idaho Falls trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 8/12
Tue 8/19
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States