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$178+ 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 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — GEG
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap 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 September 11, 2025.

Round-trip from

$317
(Delta)

One-way from

$178
(Alaska Airlines)

Popular in

December

Cheapest in

February

Average price

$428
From Idaho Falls Fanning Field to Spokane
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One-way flight from Idaho Falls Fanning Field to Spokane
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Highest demand for flights based on searches. 23% potential increase in price ($131 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 September 2025
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Find 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 September 11, 2025.

This Alaska Airlines deal was found by Cheapflights users on 9/8. 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 11/83:50 pmIDA - GEG
1 stop6h 24mAlaska Airlines
Wed 11/128:45 amGEG - IDA
1 stop5h 28mAlaska Airlines
Deal found 9/8$302
This Delta deal was found by Cheapflights users on 9/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/146:53 pmIDA - GEG
1 stop5h 50mDelta
Wed 10/224:50 pmGEG - IDA
1 stop4h 25mDelta
Deal found 9/10$317
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/209:57 amIDA - GEG
1 stop8h 51mAllegiant Air
Sun 10/269:08 pmGEG - IDA
1 stop14h 41mAllegiant Air
Deal found 9/10$319
This Alaska Airlines deal was found by Cheapflights users on 9/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/186:00 amIDA - GEG
1 stop12h 00mAlaska Airlines
Tue 10/211:31 pmGEG - IDA
1 stop8h 07mAlaska Airlines
Deal found 9/10$322
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1910:13 pmIDA - GEG
1 stop20h 35mAllegiant Air
Sun 10/269:08 pmGEG - IDA
1 stop14h 41mAllegiant Air
Deal found 9/10$327
This Alaska Airlines deal was found by Cheapflights users on 9/8. 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.
Fri 11/73:50 pmIDA - GEG
1 stop18h 45mAlaska Airlines
Tue 11/118:45 amGEG - IDA
1 stop5h 28mAlaska Airlines
Deal found 9/8$332
This Alaska Airlines deal was found by Cheapflights users on 9/8. 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.
Thu 11/63:50 pmIDA - GEG
1 stop6h 24mAlaska Airlines
Wed 11/128:45 amGEG - IDA
1 stop5h 28mAlaska Airlines
Deal found 9/8$333
This Alaska Airlines deal was found by Cheapflights users on 9/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/196:00 amIDA - GEG
1 stop4h 32mAlaska Airlines
Tue 10/215:54 pmGEG - IDA
1 stop3h 44mAlaska Airlines
Deal found 9/10$336
This Delta deal was found by Cheapflights users on 9/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/146:00 amIDA - GEG
1 stop4h 03mDelta
Mon 10/276:00 amGEG - IDA
1 stop5h 33mDelta
Deal found 9/10$337
This Delta deal was found by Cheapflights users on 9/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/76:53 pmIDA - GEG
1 stop4h 41mDelta
Tue 11/111:23 pmGEG - IDA
2 stops7h 56mDelta
Deal found 9/8$339
This Alaska Airlines deal was found by Cheapflights users on 9/8. 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 11/83:50 pmIDA - GEG
1 stop5h 11mAlaska Airlines
Tue 11/116:00 amGEG - IDA
2 stops8h 13mAlaska Airlines
Deal found 9/8$341
This Delta deal was found by Cheapflights users on 9/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/146:00 amIDA - GEG
1 stop4h 03mDelta
Sat 10/2511:20 amGEG - IDA
2 stops5h 53mDelta
Deal found 9/10$342

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 September 11, 2025.
Use the filters below to find and compare flights from Idaho Falls to Spokane that are best for you.

Fly from

Idaho Falls

Fly to

Spokane

Route

Depart

Return

Price

Idaho FallsSpokane

IDA - GEG

IDAGEG

Idaho Falls Fanning Field

Sat 11/8

3:50 pm-6:54 pm

1 stop4h 04m

Spokane

Tue 11/11

7:35 am-3:13 pm

1 stop6h 38m

$302

Idaho FallsSpokane

IDA - GEG

IDAGEG

Idaho Falls Fanning Field

Sat 11/8

3:50 pm-9:14 pm

1 stop6h 24m

Spokane

Wed 11/12

8:45 am-3:13 pm

1 stop5h 28m

$302

Idaho FallsSpokane

IDA - GEG

IDAGEG

Idaho Falls Fanning Field

Sat 11/8

3:50 pm-8:01 pm

1 stop5h 11m

Spokane

Sat 11/15

7:35 am-11:59 pm

1 stop15h 24m

$302

Idaho FallsSpokane

IDA - GEG

IDAGEG

Idaho Falls Fanning Field

Tue 10/14

6:53 pm-11:43 pm

1 stop5h 50m

Spokane

Wed 10/22

4:50 pm-10:15 pm

1 stop4h 25m

$317

Idaho FallsSpokane

IDA - GEG

IDAGEG

Idaho Falls Fanning Field

Tue 10/14

6:53 pm-11:43 pm

1 stop5h 50m

Spokane

Tue 10/21

6:00 am-12:33 pm

1 stop5h 33m

$317

Idaho FallsSpokane

IDA - GEG

IDAGEG

Idaho Falls Fanning Field

Wed 10/15

6:53 pm-11:43 pm

1 stop5h 50m

Spokane

Tue 10/21

4:50 pm-10:15 pm

1 stop4h 25m

$317

Idaho FallsSpokane

IDA - GEG

IDAGEG

Idaho Falls Fanning Field

Wed 10/15

4:15 pm-12:27 am

1 stop9h 12m

Spokane

Sat 10/25

10:12 am-10:38 pm

1 stop11h 26m

$322

Idaho FallsSpokane

IDA - GEG

IDAGEG

Idaho Falls Fanning Field

Thu 11/13

3:50 pm-9:14 pm

1 stop6h 24m

Spokane

Sat 11/15

8:45 am-3:13 pm

1 stop5h 28m

$333

Idaho FallsSpokane

IDA - GEG

IDAGEG

Idaho Falls Fanning Field

Thu 11/6

3:50 pm-9:14 pm

1 stop6h 24m

Spokane

Wed 11/12

8:45 am-3:13 pm

1 stop5h 28m

$333

Idaho FallsSpokane

IDA - GEG

IDAGEG

Idaho Falls Fanning Field

Fri 11/7

3:50 pm-6:54 pm

1 stop4h 04m

Spokane

Wed 11/12

8:45 am-3:13 pm

1 stop5h 28m

$333

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 19 results
1
2

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 time of day to fly from IDA to GEG?

Find hourly flight availability from Idaho Falls to Spokane. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 36% on flights from Idaho Falls to Spokane by exploring options for tickets in the evening.

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 September 11, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta, and Hawaiian Airlines 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
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Delta
8.0
Very good
7,960 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Hawaiian Airlines
7.8
Good
2,723 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why

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 4h 04m. 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 $218, was found to be the cheapest airline from Idaho Falls to Spokane.Alternate airlines to your destination round-trip include Hawaiian Airlines and Alaska Airlines. Delta is 48% 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, January is the cheapest month in which you can book a flight from Idaho Falls to Spokane (average of $326). Flying from Idaho Falls to Spokane in March is currently the most expensive (average of $450). 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
Sandpoint
Spokane Valley
Post Falls

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Top 3 airlines flying from Idaho Falls to Spokane

Discover the top 3 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$218Average$517FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$221Average$358FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$298Average$443FlexibilityNo cancel feeOn-time75%

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