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Idaho Falls

$199+ Cheap flights from Spokane to Idaho Falls (GEG - IDA)

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 7/12. Fares are subject to change and may not be available on all flights or dates of travel.
GEG — IDA
Jun 20 — Jun 271
Fri 6/20
Fri 6/27
1 adult, Economy
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Cheap flight deals from Spokane to Idaho Falls

Discover tips and strategies to find the most affordable flight options for your journey from Spokane (GEG) to Idaho Falls (IDA). 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 15, 2025.

Round-trip from

$397
(Delta)

One-way from

$199
(Delta)

Popular in

November

Cheapest in

May
From Spokane to Idaho Falls Fanning Field
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One-way flight from Spokane to Idaho Falls Fanning Field
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Highest demand for flights based on searches. 21% potential increase in price ($114 potential increase over avg. RT price).
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Cheapest flight prices on average. 9% potential price decrease ($37 potential savings vs. average RT price).
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Find flight deals from Spokane to Idaho Falls

Cheapest flights from Spokane to Idaho Falls
Explore the most affordable flight options available from Spokane to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 15, 2025.

This Delta deal was found by Cheapflights users on 6/13. 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 7/101:10 pmGEG - IDA
1 stop4h 01mDelta
Wed 7/166:00 amIDA - GEG
1 stop3h 53mDelta
Deal found 6/13$397
This Mytrip deal was found by Cheapflights users on 6/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/299:33 amGEG - IDA
1 stop25h 12mAllegiant Air
Thu 7/39:47 amIDA - GEG
1 stop24h 21mAllegiant Air
Deal found 6/14$460
This Alaska Airlines deal was found by Cheapflights users on 6/14. 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 7/88:48 pmGEG - IDA
1 stop17h 34mAlaska Airlines
Tue 7/156:15 amIDA - GEG
2 stops6h 26mAlaska Airlines
Deal found 6/14$464
This Mytrip deal was found by Cheapflights users on 6/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/299:33 amGEG - IDA
3 stops32h 09mMultiple Airlines
Thu 7/39:47 amIDA - GEG
1 stop24h 21mMultiple Airlines
Deal found 6/14$493
This United Airlines deal was found by Cheapflights users on 6/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/126:25 pmGEG - IDA
1 stop14h 19mUnited Airlines
Sat 7/196:03 pmIDA - GEG
1 stop24h 24mUnited Airlines
Deal found 6/14$565

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated June 15, 2025.
Use the filters below to find and compare flights from Spokane to Idaho Falls that are best for you.

Fly from

Spokane

Fly to

Idaho Falls

Route

Depart

Return

Price

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Thu 7/10

1:10 pm-6:11 pm

1 stop4h 01m

Idaho Falls Fanning Field

Wed 7/16

6:00 am-8:53 am

1 stop3h 53m

$397

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Sun 6/29

9:33 am-11:45 am

1 stop25h 12m

Idaho Falls Fanning Field

Thu 7/3

9:47 am-9:08 am

1 stop24h 21m

$460

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Tue 7/8

8:48 pm-3:22 pm

1 stop17h 34m

Idaho Falls Fanning Field

Tue 7/15

6:15 am-11:41 am

2 stops6h 26m

$464

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Sun 6/29

9:33 am-6:42 pm

3 stops32h 09m

Idaho Falls Fanning Field

Thu 7/3

9:47 am-9:08 am

1 stop24h 21m

$493

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Sat 7/12

6:25 pm-9:44 am

1 stop14h 19m

Idaho Falls Fanning Field

Sat 7/19

6:03 pm-5:27 pm

1 stop24h 24m

$565

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Sat 7/12

5:45 am-10:34 am

1 stop3h 49m

$199

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Sat 7/12

10:11 am-10:39 pm

2 stops11h 28m

$247

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/15

Best time to book a flight from Spokane to Idaho Falls

Have a flexible travel schedule? Discover the best time to fly to Idaho Falls from Spokane 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 Spokane to Idaho Falls

What is the cheapest time of day to fly from GEG to IDA?

Find hourly flight availability from Spokane to Idaho Falls. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 15, 2025.

One of the essential ways to save on airfare from Spokane to Idaho Falls is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 32% on airfare.

Rainfall in Idaho Falls by month

Plan your trip to Idaho Falls by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Idaho Falls ranges from 0.6 - 2.0 inches per month. May is typically the wettest month, when rainfall can reach 2.0 in. July is typically the driest time to visit Idaho Falls when rainfall is around 0.6 in.

Temperature in Idaho Falls by month

Plan your trip to Idaho Falls by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Idaho Falls, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Idaho Falls

Get insights into the airlines that provide service to Idaho Falls. 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 Idaho Falls. Reviews last updated June 15, 2025.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Delta
8.0
Very good
7,961 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
United Airlines
7.4
Good
8,796 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Allegiant Air
7.3
Good
724 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

Related info for your journey

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

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

    Our cheapest airline available from Spokane to Idaho Falls is Delta. Our recent data shows that you can find tickets from as low as $397 on this airline. Additional options worth looking into are Allegiant Air and Alaska Airlines, starting at $460 and $464 round-trip. Delta is 2% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Spokane to Idaho Falls 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 Spokane to Idaho Falls?

    Currently, October is the cheapest month in which you can book a flight from Spokane to Idaho Falls (average of $380). Flying from Spokane to Idaho Falls in December is currently the most expensive (average of $578). 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
Rexburg

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Top 2 airlines flying from Spokane to Idaho Falls

Discover the top 2 airlines that operate flights from Spokane to Idaho Falls. 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 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$283Average$374FlexibilityNo cancel feeOn-time75%
DeltaCheapest$298Average$450FlexibilityNo cancel feeOn-timeN/A

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