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Cheap flights from Idaho Falls to Spokane from $171

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 7/16. 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 Idaho Falls to Spokane

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
4:03 pm - 11:06 pm
IDA
-
GEG
8h 03m
1 stop
Alaska Airlines Logo
5:00 am - 1:17 pm
GEG
-
IDA
7h 17m
1 stop
$343Alaska Airlines
Fri, May 15 - Sun, May 17
Alaska Airlines Logo
4:03 pm - 11:52 am
IDA
-
GEG
20h 49m
1 stop
Alaska Airlines Logo
12:36 pm - 1:17 pm
GEG
-
IDA
23h 41m
1 stop
$353Alaska Airlines
Mon, May 18 - Fri, May 22
Alaska Airlines Logo
6:00 am - 9:00 am
IDA
-
GEG
4h 00m
1 stop
Alaska Airlines Logo
2:45 pm - 10:40 pm
GEG
-
IDA
6h 55m
1 stop
$354Alaska Airlines
Fri, Apr 24 - Tue, Apr 28
Allegiant Air Logo
9:45 am - 11:07 am
IDA
-
GEG
26h 22m
1 stop
Allegiant Air Logo
8:47 pm - 4:08 pm
GEG
-
IDA
18h 21m
1 stop
$370Allegiant Air
Thu, Jun 18 - Sun, Jun 21
Delta Logo
6:00 am - 9:10 am
IDA
-
GEG
4h 10m
1 stop
Delta Logo
5:35 am - 10:47 am
GEG
-
IDA
4h 12m
1 stop
$375Delta
Tue, May 19 - Thu, May 21
Alaska Airlines Logo
4:03 pm - 6:58 pm
IDA
-
GEG
3h 55m
1 stop
Alaska Airlines Logo
6:00 am - 1:17 pm
GEG
-
IDA
6h 17m
2 stops
$395Alaska Airlines
Sat, May 16 - Sun, May 17
Alaska Airlines Logo
6:00 am - 10:38 am
IDA
-
GEG
5h 38m
1 stop
Alaska Airlines Logo
7:10 am - 3:29 pm
GEG
-
IDA
7h 19m
1 stop
$403Alaska Airlines
Mon, Apr 27 - Thu, Apr 30
Alaska Airlines Logo
6:00 am - 9:00 am
IDA
-
GEG
4h 00m
1 stop
Alaska Airlines Logo
10:30 am - 10:40 pm
GEG
-
IDA
11h 10m
2 stops
$404Alaska Airlines
Fri, Apr 24 - Tue, Apr 28
Alaska Airlines Logo
4:06 pm - 9:31 pm
IDA
-
GEG
6h 25m
1 stop
Alaska Airlines Logo
5:00 pm - 10:40 pm
GEG
-
IDA
4h 40m
1 stop
$409Alaska Airlines
Sat, Apr 25 - Sat, May 2
Alaska Airlines Logo
4:03 pm - 9:18 pm
IDA
-
GEG
6h 15m
2 stops
Alaska Airlines Logo
5:00 am - 1:17 pm
GEG
-
IDA
7h 17m
1 stop
$412Alaska Airlines
Mon, May 18 - Fri, May 22

Allegiant Air flights from Idaho Falls to Spokane

Our best Allegiant Air deals on Idaho Falls to Spokane flight tickets
Allegiant Air
Jun 18
IDA9:45 amIdaho Falls Fanning Field
26h 22m
1 stop
GEG11:07 amSpokane
Jun 21
GEG8:47 pmSpokane
18h 21m
1 stop
IDA4:08 pmIdaho Falls Fanning Field
$370
Allegiant Air
Apr 5
IDA9:50 amIdaho Falls Fanning Field
25h 35m
1 stop
GEG10:25 amSpokane
Apr 12
GEG9:19 pmSpokane
17h 08m
1 stop
IDA3:27 pmIdaho Falls Fanning Field
$415
Allegiant Air
Apr 12
IDA9:49 amIdaho Falls Fanning Field
26h 06m
1 stop
GEG10:55 amSpokane
Apr 16
GEG9:19 pmSpokane
17h 08m
1 stop
IDA3:27 pmIdaho Falls Fanning Field
$487

Delta flights from Idaho Falls to Spokane

Our best Delta deals on Idaho Falls to Spokane flight tickets
Delta
May 19
IDA6:00 amIdaho Falls Fanning Field
4h 10m
1 stop
GEG9:10 amSpokane
May 21
GEG5:35 amSpokane
4h 12m
1 stop
IDA10:47 amIdaho Falls Fanning Field
$375
Delta
Jun 2
IDA3:16 pmIdaho Falls Fanning Field
3h 45m
1 stop
GEG6:01 pmSpokane
Jun 6
GEG4:59 pmSpokane
4h 43m
1 stop
IDA10:42 pmIdaho Falls Fanning Field
$415
Delta
Apr 15
IDA6:58 pmIdaho Falls Fanning Field
5h 36m
1 stop
GEG11:34 pmSpokane
Apr 19
GEG5:10 pmSpokane
4h 30m
1 stop
IDA10:40 pmIdaho Falls Fanning Field
$555

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 April 2, 2026.
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

Cheapest round-trip

Idaho FallsSpokane

IDA - GEG

IDAGEG

Idaho Falls Fanning Field

Fri 5/15

4:03 pm-11:06 pm

1 stop8h 03m

Spokane

Sun 5/17

5:00 am-1:17 pm

1 stop7h 17m

$343

Idaho FallsSpokane

IDA - GEG

IDAGEG

Idaho Falls Fanning Field

Mon 5/18

4:03 pm-11:52 am

1 stop20h 49m

Spokane

Fri 5/22

12:36 pm-1:17 pm

1 stop23h 41m

$353

Idaho FallsSpokane

IDA - GEG

IDAGEG

Idaho Falls Fanning Field

Fri 4/24

6:00 am-9:00 am

1 stop4h 00m

Spokane

Tue 4/28

2:45 pm-10:40 pm

1 stop6h 55m

$354

Idaho FallsSpokane

IDA - GEG

IDAGEG

Idaho Falls Fanning Field

Thu 6/18

9:45 am-11:07 am

1 stop26h 22m

Spokane

Sun 6/21

8:47 pm-4:08 pm

1 stop18h 21m

$370
Quickest round-trip

Idaho FallsSpokane

IDA - GEG

IDAGEG

Idaho Falls Fanning Field

Tue 5/19

6:00 am-9:10 am

1 stop4h 10m

Spokane

Thu 5/21

5:35 am-10:47 am

1 stop4h 12m

$375

Idaho FallsSpokane

IDA - GEG

IDAGEG

Idaho Falls Fanning Field

Sat 5/16

4:03 pm-6:58 pm

1 stop3h 55m

Spokane

Sun 5/17

6:00 am-1:17 pm

2 stops6h 17m

$395

Idaho FallsSpokane

IDA - GEG

IDAGEG

Idaho Falls Fanning Field

Mon 4/27

6:00 am-10:38 am

1 stop5h 38m

Spokane

Thu 4/30

7:10 am-3:29 pm

1 stop7h 19m

$403

Idaho FallsSpokane

IDA - GEG

IDAGEG

Idaho Falls Fanning Field

Fri 4/24

6:00 am-9:00 am

1 stop4h 00m

Spokane

Tue 4/28

10:30 am-10:40 pm

2 stops11h 10m

$404

Idaho FallsSpokane

IDA - GEG

IDAGEG

Idaho Falls Fanning Field

Sat 4/25

4:06 pm-9:31 pm

1 stop6h 25m

Spokane

Sat 5/2

5:00 pm-10:40 pm

1 stop4h 40m

$409

Idaho FallsSpokane

IDA - GEG

IDAGEG

Idaho Falls Fanning Field

Mon 5/18

4:03 pm-9:18 pm

2 stops6h 15m

Spokane

Fri 5/22

5:00 am-1:17 pm

1 stop7h 17m

$412

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 typical price of a round-trip flight between Idaho Falls and Spokane?

What is the cheapest month to fly to Spokane?

The month of March is, on average, the cheapest month to fly to Spokane from Idaho Falls, with most prices found around $297. If you’re not able to fly to Spokane in March, then October is your next best option. Flight prices from Idaho Falls to Spokane during October average around $336.

How have Idaho Falls to Spokane flight prices changed over time?

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

Fastest flight time

4h 02m

Direct flights

None
The fastest flight from Idaho Falls to Spokane takes 4h 02m
There are no direct flights from Idaho Falls to Spokane. There are no popular flight routes from Idaho Falls to Spokane.
Search flight deals

Frequently asked questions about flying from Idaho Falls to Spokane

  • 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. 4h 02m 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 $98Free CancellationRating
7.9
8,365 reviews
Search Delta flights
Hawaiian AirlinesPriceFrom $168Free CancellationRating
7.8
2,838 reviews
Search Hawaiian Airlines flights
Alaska AirlinesPriceFrom $234Free CancellationRating
7.9
12,149 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
Spokane Valley
Post Falls
Bonners Ferry
Airway Heights
Kellogg
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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