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Cheap flights from Idaho Falls to Spokane from $235

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho Falls to Spokane departing on 9/15. 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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0 bags

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Find the cheapest flights from Idaho Falls to Spokane

Cheap round-trip flights

Allegiant Air Logo
10:13 pm - 6:48 pmIDA-GEG
21h 35m1 stop
Allegiant Air Logo
9:08 pm - 12:49 pmGEG-IDA
14h 41m1 stop
$294Allegiant Air
Find Deal
Thu, Oct 23 - Sun, Oct 26
Delta Logo
6:51 pm - 11:35 pmIDA-GEG
5h 44m1 stop
Delta Logo
5:03 pm - 10:25 pmGEG-IDA
4h 22m1 stop
$301Delta
Find Deal
Wed, Sep 17 - Wed, Sep 24
Alaska Airlines Logo
3:50 pm - 10:59 pmIDA-GEG
8h 09m1 stop
Alaska Airlines Logo
5:51 am - 3:13 pmGEG-IDA
8h 22m1 stop
$302Alaska Airlines
Find Deal
Sat, Nov 8 - Sat, Nov 15
Delta Logo
6:51 pm - 11:35 pmIDA-GEG
5h 44m1 stop
Delta Logo
3:30 pm - 10:25 pmGEG-IDA
5h 55m2 stops
$306Delta
Find Deal
Wed, Sep 17 - Wed, Sep 24
Delta Logo
6:51 pm - 12:03 amIDA-GEG
6h 12m2 stops
Delta Logo
3:30 pm - 10:25 pmGEG-IDA
5h 55m2 stops
$311Delta
Find Deal
Wed, Sep 17 - Wed, Sep 24
Delta Logo
6:51 pm - 11:35 pmIDA-GEG
5h 44m1 stop
Delta Logo
4:50 pm - 10:15 pmGEG-IDA
4h 25m1 stop
$317Delta
Find Deal
Fri, Oct 3 - Tue, Oct 7
Alaska Airlines Logo
3:50 pm - 8:01 pmIDA-GEG
5h 11m1 stop
Alaska Airlines Logo
8:45 am - 3:13 pmGEG-IDA
5h 28m1 stop
$320Alaska Airlines
Find Deal
Fri, Nov 7 - Sat, Nov 15
Delta Logo
6:51 pm - 12:03 amIDA-GEG
6h 12m2 stops
Delta Logo
4:50 pm - 10:15 pmGEG-IDA
4h 25m1 stop
$322Delta
Find Deal
Fri, Oct 3 - Tue, Oct 7
Hawaiian Airlines Logo
3:50 pm - 8:01 pmIDA-GEG
5h 11m1 stop
Hawaiian Airlines Logo
8:45 am - 3:13 pmGEG-IDA
5h 28m1 stop
$336Hawaiian Airlines
Find Deal
Fri, Nov 7 - Sun, Nov 9
Hawaiian Airlines Logo
6:13 am - 11:30 amIDA-GEG
6h 17m1 stop
Hawaiian Airlines Logo
9:25 am - 3:20 pmGEG-IDA
4h 55m1 stop
$425Hawaiian Airlines
Find Deal
Thu, Sep 18 - Thu, Sep 25

Delta flights from Idaho Falls to Spokane

Our best Delta deals on Idaho Falls to Spokane flight tickets
Delta
Sep 17
IDA6:51 pmIdaho Falls Fanning Field
5h 44m
1 stop
GEG11:35 pmSpokane
Sep 24
GEG5:03 pmSpokane
4h 22m
1 stop
IDA10:25 pmIdaho Falls Fanning Field
$301
Find similar
Delta
Sep 17
IDA6:51 pmIdaho Falls Fanning Field
5h 44m
1 stop
GEG11:35 pmSpokane
Sep 24
GEG3:30 pmSpokane
5h 55m
2 stops
IDA10:25 pmIdaho Falls Fanning Field
$306
Find similar
Delta
Sep 17
IDA6:51 pmIdaho Falls Fanning Field
6h 12m
2 stops
GEG12:03 amSpokane
Sep 24
GEG3:30 pmSpokane
5h 55m
2 stops
IDA10:25 pmIdaho Falls Fanning Field
$311
Find similar

Alaska Airlines flights from Idaho Falls to Spokane

Our best Alaska Airlines deals on Idaho Falls to Spokane flight tickets
Alaska Airlines
Nov 8
IDA3:50 pmIdaho Falls Fanning Field
8h 09m
1 stop
GEG10:59 pmSpokane
Nov 15
GEG5:51 amSpokane
8h 22m
1 stop
IDA3:13 pmIdaho Falls Fanning Field
$302
Find similar
Alaska Airlines
Nov 7
IDA3:50 pmIdaho Falls Fanning Field
5h 11m
1 stop
GEG8:01 pmSpokane
Nov 15
GEG8:45 amSpokane
5h 28m
1 stop
IDA3:13 pmIdaho Falls Fanning Field
$320
Find similar
Alaska Airlines
Nov 8
IDA3:50 pmIdaho Falls Fanning Field
4h 04m
1 stop
GEG6:54 pmSpokane
Nov 15
GEG6:00 amSpokane
8h 13m
2 stops
IDA3:13 pmIdaho Falls Fanning Field
$341
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Idaho Falls to Spokane 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 21, 2025.
Use the filters below to find and compare flights from Idaho Falls to Spokane that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Idaho FallsSpokane

IDA - GEG

IDAGEG

Idaho Falls Fanning Field

Thu 10/23

10:13 pm-6:48 pm

1 stop21h 35m

Spokane

Sun 10/26

9:08 pm-12:49 pm

1 stop14h 41m

$294

Idaho FallsSpokane

IDA - GEG

IDAGEG

Idaho Falls Fanning Field

Wed 9/17

6:51 pm-11:35 pm

1 stop5h 44m

Spokane

Wed 9/24

5:03 pm-10:25 pm

1 stop4h 22m

$301

Idaho FallsSpokane

IDA - GEG

IDAGEG

Idaho Falls Fanning Field

Sat 11/8

3:50 pm-10:59 pm

1 stop8h 09m

Spokane

Sat 11/15

5:51 am-3:13 pm

1 stop8h 22m

$302

Idaho FallsSpokane

IDA - GEG

IDAGEG

Idaho Falls Fanning Field

Wed 9/17

6:51 pm-11:35 pm

1 stop5h 44m

Spokane

Wed 9/24

3:30 pm-10:25 pm

2 stops5h 55m

$306

Idaho FallsSpokane

IDA - GEG

IDAGEG

Idaho Falls Fanning Field

Wed 9/17

6:51 pm-12:03 am

2 stops6h 12m

Spokane

Wed 9/24

3:30 pm-10:25 pm

2 stops5h 55m

$311

Idaho FallsSpokane

IDA - GEG

IDAGEG

Idaho Falls Fanning Field

Fri 10/3

6:51 pm-11:35 pm

1 stop5h 44m

Spokane

Tue 10/7

4:50 pm-10:15 pm

1 stop4h 25m

$317

Idaho FallsSpokane

IDA - GEG

IDAGEG

Idaho Falls Fanning Field

Fri 11/7

3:50 pm-8:01 pm

1 stop5h 11m

Spokane

Sat 11/15

8:45 am-3:13 pm

1 stop5h 28m

$320

Idaho FallsSpokane

IDA - GEG

IDAGEG

Idaho Falls Fanning Field

Fri 10/3

6:51 pm-12:03 am

2 stops6h 12m

Spokane

Tue 10/7

4:50 pm-10:15 pm

1 stop4h 25m

$322

Idaho FallsSpokane

IDA - GEG

IDAGEG

Idaho Falls Fanning Field

Fri 11/7

3:50 pm-8:01 pm

1 stop5h 11m

Spokane

Sun 11/9

8:45 am-3:13 pm

1 stop5h 28m

$336

Idaho FallsSpokane

IDA - GEG

IDAGEG

Idaho Falls Fanning Field

Thu 9/18

6:13 am-11:30 am

1 stop6h 17m

Spokane

Thu 9/25

9:25 am-3:20 pm

1 stop4h 55m

$425

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 Spokane from

How to get the cheapest flight ticket from Idaho Falls to Spokane

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 Spokane?

The cheapest day to depart on your flight to Spokane is on a Wednesday when prices can be found for as low as $331. This is often the case because there is less demand to fly during this day of the week. On the other hand, Thursday is the most expensive day to depart from Idaho Falls because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $732.

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

According to our data, the cheapest time of day to fly to Spokane is in the evening. momondo users have found flights departing from Idaho Falls to Spokane in the evening for as low as $393. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the afternoon because they tend to be around $607. Of course, these prices can vary depending on the time of year and what airport you fly to.

When to book flights from Idaho Falls to Spokane

Are you open to changing your travel dates? Check out the ideal times to fly from Idaho Falls to Spokane according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Idaho Falls to Spokane (IDA to GEG) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Idaho Falls to Spokane

Direct flights

None
There are no direct flights from Idaho Falls to Spokane. There are no popular flight routes from Idaho Falls to Spokane.
Search flight deals

  • How far is Idaho Falls Fanning Field to Spokane by plane?

    A flight from Idaho Falls Fanning Field to Spokane will travel around 389.5 mi. 3h 53m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Idaho Falls Fanning Field Airport to Spokane Airport?

    Prices for flights from Idaho Falls Fanning Field Airport to Spokane Airport refresh daily.

  • How many operators does momondo search for flights from Idaho Falls Fanning Field Airport to Spokane Airport?

  • How old do you have to be to fly from Idaho Falls Fanning Field Airport to Spokane Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Idaho Falls Fanning Field Airport to Spokane Airport.

  • What documentation or ID do you need to fly to Spokane Airport?

    The travel and health documents required for your trip to Spokane 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 Spokane 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 Idaho Falls to Spokane?

Best airlines flying from Idaho Falls to Spokane

Compare and see reviews for airlines that fly from Idaho Falls to Spokane with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $218Free CancellationRating
7.9
7,981 reviews
Search Delta flights
Alaska AirlinesPriceFrom $298Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights

Traveling to a place near Spokane?

Book flights to Spokane if you plan to visit one of these locations
Coeur d'Alene
Sandpoint
Bonners Ferry
Spokane Valley
Post Falls
Kellogg
Airway Heights
Ritzville

Why use momondo?

Why should I use momondo to find a flight deal from Idaho Falls to Spokane?

It is quick and easy to find Idaho Falls to Spokane flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Spokane that suits you.

Can I find flights from Idaho Falls to Spokane with flexible booking policies on momondo?

Yes. All flights to Spokane from Idaho Falls on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Idaho Falls to Spokane?

momondo provides multiple filters to help you find the best flight to Spokane from Idaho Falls. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Idaho Falls to Spokane right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Spokane from Idaho Falls. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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