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$238+ 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 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — GEG
Jul 12 — Jul 191
Sun 7/12
Sun 7/19
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 June 12, 2026.

This Kiwi.com deal was found by Cheapflights users on 6/8. 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.
Fri 10/239:52 am
IDA
-
GEG
1 stop9h 25m
Allegiant Air
Sun 10/257:20 pm
GEG
-
IDA
1 stop16h 16m
Allegiant Air
Deal found 6/8$353
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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 11/246:15 am
IDA
-
GEG
1 stop5h 50m
Alaska Airlines
Tue 12/18:40 am
GEG
-
IDA
1 stop4h 47m
Alaska Airlines
Deal found 6/11$355
This Alaska Airlines deal was found by Cheapflights users on 6/7. 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 9/126:18 am
IDA
-
GEG
1 stop6h 18m
Alaska Airlines
Wed 9/163:34 pm
GEG
-
IDA
1 stop6h 22m
Alaska Airlines
Deal found 6/7$375
This Expedia deal was found by Cheapflights users on 6/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/87:15 am
IDA
-
GEG
1 stop6h 14m
Alaska Airlines
Wed 7/156:13 am
GEG
-
IDA
1 stop8h 24m
Alaska Airlines
Deal found 6/8$395
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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.
Wed 10/284:12 pm
IDA
-
GEG
2 stops31h 39m
Alaska Airlines
Sat 10/315:40 pm
GEG
-
IDA
1 stop4h 14m
Alaska Airlines
Deal found 6/11$403
This Delta deal was found by Cheapflights users on 6/11. 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.
Tue 11/246:45 pm
IDA
-
GEG
1 stop5h 57m
Delta
Sat 11/285:45 am
GEG
-
IDA
1 stop5h 42m
Delta
Deal found 6/11$407
This Delta deal was found by Cheapflights users on 6/11. 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.
Thu 11/266:45 pm
IDA
-
GEG
1 stop5h 57m
Delta
Sat 11/285:45 am
GEG
-
IDA
1 stop5h 42m
Delta
Deal found 6/11$427
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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 11/284:03 pm
IDA
-
GEG
1 stop3h 48m
Alaska Airlines
Tue 12/18:40 am
GEG
-
IDA
1 stop4h 47m
Alaska Airlines
Deal found 6/11$428
This Delta deal was found by Cheapflights users on 6/9. 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.
Tue 7/77:00 pm
IDA
-
GEG
1 stop5h 55m
Delta
Mon 7/135:20 am
GEG
-
IDA
1 stop4h 23m
Delta
Deal found 6/9$435
This Alaska Airlines deal was found by Cheapflights users on 6/8. 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 10/244:12 pm
IDA
-
GEG
2 stops22h 05m
Alaska Airlines
Sun 10/254:38 pm
GEG
-
IDA
1 stop5h 16m
Alaska Airlines
Deal found 6/8$436

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 June 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$353
(Kiwi.com)

One-way from

$238
(Priceline)

Popular in

June

Cheapest in

March

Average price

$636
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 ($66 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 June 12, 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

Wed 10/28

4:12 pm-6:49 pm

1 stop3h 37m

Spokane

Sat 10/31

10:27 am-3:35 pm

1 stop4h 08m

$375

Idaho FallsSpokane

IDA - GEG

IDAGEG

Idaho Falls Fanning Field

Sat 9/12

6:18 am-9:57 am

1 stop4h 39m

Spokane

Wed 9/16

3:34 pm-10:56 pm

1 stop6h 22m

$375

Idaho FallsSpokane

IDA - GEG

IDAGEG

Idaho Falls Fanning Field

Mon 11/23

6:15 am-9:28 am

1 stop4h 13m

Spokane

Fri 11/27

8:40 am-2:27 pm

1 stop4h 47m

$395

Idaho FallsSpokane

IDA - GEG

IDAGEG

Idaho Falls Fanning Field

Thu 11/26

1:10 pm-9:37 pm

2 stops9h 27m

Spokane

Wed 12/2

5:45 am-12:27 pm

1 stop5h 42m

$461
Cheapest one-way

Idaho FallsSpokane

IDA - GEG

IDAGEG

Idaho Falls Fanning Field

Thu 7/9

7:15 am-11:00 am

1 stop4h 45m

$238

Idaho FallsSpokane

IDA - GEG

IDAGEG

Idaho Falls Fanning Field

Mon 7/6

7:15 am-12:29 pm

1 stop6h 14m

$281
Quickest one-way

Idaho FallsSpokane

IDA - GEG

IDAGEG

Idaho Falls Fanning Field

Fri 6/26

6:00 am-9:07 am

1 stop4h 07m

$288

Idaho FallsSpokane

IDA - GEG

IDAGEG

Idaho Falls Fanning Field

Wed 6/17

7:00 pm-11:59 pm

1 stop5h 59m

$378

Idaho FallsSpokane

IDA - GEG

IDAGEG

Idaho Falls Fanning Field

Wed 6/17

7:15 am-11:07 pm

2 stops16h 52m

$559

Idaho FallsSpokane

IDA - GEG

IDAGEG

Idaho Falls Fanning Field

Fri 6/26

6:39 pm-8:56 pm

3 stops27h 17m

$730

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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 June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*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 $636). 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.

How much does it cost to fly round-trip from Idaho Falls to Spokane?

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 June 12, 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
12,497 reviews

Comfort

7.8

Entertainment

7.0

Crew

8.5

Boarding

8.1

Overall

7.9

Food

7.0

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
12,497 reviews
Alaska Airlines
7.9
Good
12,497 reviews

Comfort

7.8

Entertainment

7.0

Crew

8.5

Boarding

8.1

Overall

7.9

Food

7.0

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
7.9
Good
8,404 reviews
Alaska Airlines
7.9
Good
12,497 reviews

Comfort

7.8

Entertainment

7.0

Crew

8.5

Boarding

8.1

Overall

7.9

Food

7.0

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 37m. The distance from Idaho Falls to Spokane is about 387 mi.

  • 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 77% 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 $636). 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 June 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$98Average$436FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$234Average$418FlexibilityNo cancel feeOn-time75%

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