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Spokane

$188+ Cheap flights from Idaho Falls to Spokane (IDA - GEG)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — GEG
Aug 26 — Sep 21
Wed 8/26
Wed 9/2
1 adult, Economy
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Cheap flight deals from Idaho Falls to Spokane

Cheapest flights from Idaho Falls to Spokane
Explore the most affordable flight options available from Idaho Falls to Spokane. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 27, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/248:20 pm
IDA
-
GEG
1 stop14h 40m
Allegiant Air
Sun 9/2710:09 am
GEG
-
IDA
1 stop24h 25m
Allegiant Air
Deal found 7/21$348
This Alaska Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/222:01 pm
IDA
-
GEG
1 stop4h 51m
Alaska Airlines
Wed 9/309:31 am
GEG
-
IDA
1 stop4h 49m
Alaska Airlines
Deal found 7/21$355
This Delta deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/166:00 am
IDA
-
GEG
1 stop4h 01m
Delta
Wed 9/161:25 pm
GEG
-
IDA
1 stop3h 52m
Delta
Deal found 7/24$365
This Vliegwinkel deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/52:01 pm
IDA
-
GEG
1 stop6h 52m
Alaska Airlines
Sat 9/123:34 pm
GEG
-
IDA
1 stop6h 22m
Alaska Airlines
Deal found 7/22$372
This Alaska Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/223:57 pm
IDA
-
GEG
1 stop3h 47m
Alaska Airlines
Fri 9/258:31 am
GEG
-
IDA
1 stop5h 49m
Alaska Airlines
Deal found 7/21$375
This Kiwi.com deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/278:20 pm
IDA
-
GEG
1 stop14h 10m
Allegiant Air
Thu 10/14:24 pm
GEG
-
IDA
1 stop22h 36m
Allegiant Air
Deal found 7/21$379
This Kiwi.com deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/248:20 pm
IDA
-
GEG
1 stop14h 40m
Allegiant Air
Mon 9/2810:20 am
GEG
-
IDA
1 stop7h 20m
Allegiant Air
Deal found 7/21$383
This Alaska Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/73:54 pm
IDA
-
GEG
1 stop3h 50m
Alaska Airlines
Wed 11/118:14 am
GEG
-
IDA
1 stop4h 02m
Alaska Airlines
Deal found 7/23$385
This Alaska Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/216:18 am
IDA
-
GEG
1 stop4h 39m
Alaska Airlines
Fri 9/259:31 am
GEG
-
IDA
1 stop4h 49m
Alaska Airlines
Deal found 7/21$395
This Delta deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/256:57 pm
IDA
-
GEG
1 stop5h 32m
Delta
Sun 9/275:24 am
GEG
-
IDA
1 stop5h 51m
Delta
Deal found 7/21$405
This Alaska Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/223:57 pm
IDA
-
GEG
1 stop3h 47m
Alaska Airlines
Tue 9/293:05 pm
GEG
-
IDA
2 stops6h 51m
Alaska Airlines
Deal found 7/21$409

Find flight deals from Idaho Falls to Spokane

Discover tips and strategies to find the most affordable flight options for your journey from Idaho Falls (IDA) to Spokane (GEG). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$365
(Delta)

One-way from

$188
(Kiwi.com)

Popular in

June

Cheapest in

March

Average price

$471
Provider with most accurate pricing for Idaho Falls Fanning Field-Spokane flight deals.
Search Deals
Provider most trusted by Cheapflights users for Idaho Falls Fanning Field-Spokane flights.
Search Deals
From Idaho Falls Fanning Field to Spokane
Search Deals
One-way flight from Idaho Falls Fanning Field to Spokane
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($77 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated July 27, 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
Quickest round-trip

Idaho FallsSpokane

IDA - GEG

IDAGEG

Idaho Falls Fanning Field

Sat 11/7

3:54 pm-6:44 pm

1 stop3h 50m

Spokane

Wed 11/11

8:14 am-1:16 pm

1 stop4h 02m

$385

Idaho FallsSpokane

IDA - GEG

IDAGEG

Idaho Falls Fanning Field

Tue 9/15

6:00 am-9:01 am

1 stop4h 01m

Spokane

Fri 9/18

5:14 pm-10:22 pm

1 stop4h 08m

$385

Idaho FallsSpokane

IDA - GEG

IDAGEG

Idaho Falls Fanning Field

Thu 9/3

7:00 pm-10:31 pm

1 stop4h 31m

Spokane

Mon 9/7

5:30 am-10:50 am

1 stop4h 20m

$405

Idaho FallsSpokane

IDA - GEG

IDAGEG

Idaho Falls Fanning Field

Wed 8/19

6:18 am-11:03 am

1 stop5h 45m

Spokane

Wed 8/26

8:31 am-3:20 pm

1 stop5h 49m

$415

Idaho FallsSpokane

IDA - GEG

IDAGEG

Idaho Falls Fanning Field

Tue 8/25

2:01 pm-11:11 pm

2 stops10h 10m

Spokane

Sat 8/29

9:41 am-3:20 pm

1 stop4h 39m

$434

Idaho FallsSpokane

IDA - GEG

IDAGEG

Idaho Falls Fanning Field

Thu 9/3

3:57 pm-11:11 pm

1 stop8h 14m

Spokane

Mon 9/7

7:03 am-1:24 pm

2 stops29h 21m

$483
Cheapest one-way

Idaho FallsSpokane

IDA - GEG

IDAGEG

Idaho Falls Fanning Field

Thu 9/3

8:20 pm-6:34 pm

1 stop23h 14m

$188

Idaho FallsSpokane

IDA - GEG

IDAGEG

Idaho Falls Fanning Field

Fri 9/18

6:18 am-9:57 am

1 stop4h 39m

$203
Quickest one-way

Idaho FallsSpokane

IDA - GEG

IDAGEG

Idaho Falls Fanning Field

Tue 12/22

3:55 pm-6:55 pm

1 stop4h 00m

$266

Idaho FallsSpokane

IDA - GEG

IDAGEG

Idaho Falls Fanning Field

Thu 9/3

3:57 pm-10:49 pm

2 stops31h 52m

$282

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/22

Showing 1-10 of 11 resultsSorted by cheapest first
1
2

Compare providers for flights from Idaho Falls to Spokane

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Idaho Falls to Spokane in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Idaho Falls-Spokane flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Idaho Falls-Spokane flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Idaho Falls-Spokane flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Idaho Falls-Spokane flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Idaho Falls-Spokane flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Idaho Falls to Spokane

Have a flexible travel schedule? Discover the best time to fly to Spokane from Idaho Falls with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Idaho Falls to Spokane

What is the cheapest month to book a flight from Idaho Falls to Spokane?

Currently, March is the cheapest month in which you can book a flight from Idaho Falls to Spokane (average of $264). Flying from Idaho Falls to Spokane in June is currently the most expensive (average of $876). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Spokane

Get insights into the airlines that provide service to Spokane. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Spokane. Reviews last updated July 27, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines and Delta from Idaho Falls to Spokane to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
7.9
Good
12,719 reviews

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Overall

7.9

Food

7.0

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.
Alaska Airlines
7.9
Good
12,719 reviews
Alaska Airlines
7.9
Good
12,719 reviews

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Overall

7.9

Food

7.0

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.
Delta
7.8
Good
8,485 reviews
Alaska Airlines
7.9
Good
12,719 reviews

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Overall

7.9

Food

7.0

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.

Related info for your journey

Find useful and relevant information for your journey from Idaho Falls to Spokane. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Idaho Falls to Spokane?

    Departing from Idaho Falls to Spokane will take you 3h 50m. The distance from Idaho Falls to Spokane is about 387 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Idaho Falls to Spokane round-trip?

    Delta, at $98, was found to be the cheapest airline from Idaho Falls to Spokane. An alternate airline flying to your destination would be Alaska Airlines. Delta is 80% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from Idaho Falls to Spokane that include hotel bookings?

    Yes. In addition to deals on Idaho Falls to Spokane flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Idaho Falls to Spokane?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Idaho Falls to Spokane.

  • Can I find deals for business class flights from Idaho Falls to Spokane?

    Yes. Cheapflights offers flight deals from Idaho Falls to Spokane by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Idaho Falls to Spokane?

    Currently, March is the cheapest month in which you can book a flight from Idaho Falls to Spokane (average of $264). Flying from Idaho Falls to Spokane in June is currently the most expensive (average of $876). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Spokane?

Book flights to Spokane if you plan to visit one of these locations
Post Falls
Spokane Valley

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Idaho Falls to Spokane

Discover the top 2 airlines that operate flights from Idaho Falls to Spokane. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$98Average$436FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$234Average$413FlexibilityNo cancel feeOn-time75%

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