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Idaho Falls

$115+ 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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
GEG — IDA
ago. 18 — ago. 251
lun. 8/18
lun. 8/25
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 agosto 13, 2025.

Round-trip from

$238
(Hawaiian Airlines)

One-way from

$115
(Trip.com)

Popular in

November

Cheapest in

May

Average price

$418
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. 14% potential increase in price ($76 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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Average for round-trip flights in August 2025
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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 agosto 13, 2025.

This Hawaiian Airlines deal was found by Cheapflights users on 8/10. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/75:54 pmGEG - IDA
1 stop3h 44mHawaiian Airlines
sáb. 10/116:00 amIDA - GEG
1 stop6h 06mHawaiian Airlines
Deal found 8/10$238
This lastminute.com deal was found by Cheapflights users on 8/12. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/410:12 amGEG - IDA
1 stop11h 26mAlaska Airlines
sáb. 10/116:00 amIDA - GEG
1 stop12h 00mAlaska Airlines
Deal found 8/12$286
This Delta deal was found by Cheapflights users on 8/11. 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.
mié. 10/154:50 pmGEG - IDA
1 stop4h 25mDelta
vie. 10/176:53 pmIDA - GEG
1 stop5h 50mDelta
Deal found 8/11$288
This Alaska Airlines deal was found by Cheapflights users on 8/11. 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.
mar. 10/73:40 pmGEG - IDA
1 stop5h 58mAlaska Airlines
sáb. 10/116:00 amIDA - GEG
2 stops9h 03mAlaska Airlines
Deal found 8/11$306
This Hawaiian Airlines deal was found by Cheapflights users on 8/12. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/77:35 amGEG - IDA
1 stop6h 38mHawaiian Airlines
dom. 11/93:50 pmIDA - GEG
1 stop6h 24mHawaiian Airlines
Deal found 8/12$336

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 agosto 13, 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

mar. 10/7

5:54 pm-10:38 pm

1 stop3h 44m

Idaho Falls Fanning Field

sáb. 10/11

6:00 am-11:06 am

1 stop6h 06m

$238

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

sáb. 10/4

10:12 am-10:38 pm

1 stop11h 26m

Idaho Falls Fanning Field

sáb. 10/11

6:00 am-5:00 pm

1 stop12h 00m

$286

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

mié. 10/15

4:50 pm-10:15 pm

1 stop4h 25m

Idaho Falls Fanning Field

vie. 10/17

6:53 pm-11:43 pm

1 stop5h 50m

$288

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

mar. 10/7

5:54 pm-10:38 pm

1 stop3h 44m

Idaho Falls Fanning Field

sáb. 10/11

6:00 am-2:03 pm

2 stops9h 03m

$306

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

vie. 11/7

8:45 am-3:13 pm

1 stop5h 28m

Idaho Falls Fanning Field

dom. 11/9

3:50 pm-9:14 pm

1 stop6h 24m

$336

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

mar. 9/16

4:35 pm-10:39 pm

1 stop5h 04m

$115

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

mar. 9/16

3:30 pm-10:25 pm

2 stops5h 55m

$154

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

mar. 11/25

10:15 am-12:02 am

1 stop12h 47m

$204

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

vie. 9/12

4:00 pm-9:47 am

1 stop16h 47m

$251

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

lun. 9/1

5:45 pm-10:39 pm

1 stop3h 54m

$279

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

Showing 1-10 of 12 results
1
2

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 agosto 13, 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.

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 agosto 13, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines and Delta from Spokane to Idaho Falls 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
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.0

Food

7.1

Comfort

7.8

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.0

Food

7.1

Comfort

7.8

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,979 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.0

Food

7.1

Comfort

7.8

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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 Hawaiian Airlines. Our recent data shows that you can find tickets from as low as $238 on this airline. An additional option worth looking into is Alaska Airlines, starting at $286. Hawaiian Airlines is 46% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Spokane to Idaho Falls one-way?

    The cheapest airline one-way is Hawaiian Airlines, with whom users have recently found tickets for as low as $115. However, be on the lookout for offers from Delta and Alaska Airlines, as they are both options that can get you from Spokane to Idaho Falls for a low price.

  • 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 Idaho Falls?

Book flights to Idaho Falls 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 agosto 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$145Average$369FlexibilityNo cancel feeOn-time75%
DeltaCheapest$260Average$450FlexibilityNo cancel feeOn-timeN/A

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