$203+ 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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
GEG — IDA
Sep 9 — Sep 161
Round-trip
1 adult, Economy
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Find cheap flights from Spokane to Idaho Falls with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Spokane to Idaho Falls
Cheapest
Best
Last-minute
One-way
Cheapest flights from Spokane to Idaho FallsExplore 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 August 10, 2026.
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 August 10, 2026.
This Alaska Airlines deal was found by Cheapflights users on 8/6. 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 10/2410:27 am -
1 stop3h 53m
Wed 10/283:57 pm -
1 stop3h 52m
Deal found 8/6![Alaska Airlines logo]()
$385
This Delta deal was found by Cheapflights users on 8/5. 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 11/131:40 pm -
1 stop3h 36m
Tue 11/171:11 pm -
2 stops8h 57m
Deal found 8/5![Delta logo]()
$390
This Expedia deal was found by Cheapflights users on 8/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1410:37 am -
1 stop11h 19m
Sat 9/192:01 pm -
1 stop4h 51m
Deal found 8/7![Alaska Airlines logo]()
$405
This Booking.com deal was found by Cheapflights users on 8/9. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/31:27 pm -
1 stop8h 29m
Wed 9/96:18 am -
1 stop6h 19m
Deal found 8/9![Alaska Airlines logo]()
$425
This Delta deal was found by Cheapflights users on 8/6. 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 9/35:15 am -
2 stops8h 20m
Wed 9/96:57 pm -
1 stop3h 57m
Deal found 8/6![Delta logo]()
$430
This Delta deal was found by Cheapflights users on 8/6. 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 9/41:23 pm -
1 stop3h 57m
Fri 9/116:57 pm -
1 stop3h 58m
Deal found 8/6![Delta logo]()
$445
This Alaska Airlines deal was found by Cheapflights users on 8/7. 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.
Sun 9/68:31 am -
1 stop5h 49m
Sat 9/123:57 pm -
2 stops8h 56m
Deal found 8/7![Alaska Airlines logo]()
$449
This Expedia deal was found by Cheapflights users on 8/6. 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.
Fri 8/285:52 am -
1 stop8h 28m
Sun 8/306:18 am -
1 stop5h 45m
Deal found 8/6![Alaska Airlines logo]()
$485
Best flights from Spokane to Idaho FallsDiscover carefully curated flight deals from Spokane to Idaho Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 10, 2026.
Discover carefully curated flight deals from Spokane to Idaho Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 10, 2026.
This Delta deal was found by Cheapflights users on 8/5. 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 11/135:00 pm -
1 stop4h 02m
Tue 11/176:56 pm -
1 stop5h 54m
Deal found 8/5![Delta logo]()
$385
This Alaska Airlines deal was found by Cheapflights users on 8/6. 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 10/2410:27 am -
1 stop3h 53m
Wed 10/283:57 pm -
1 stop3h 52m
Deal found 8/6![Alaska Airlines logo]()
$385
This Alaska Airlines deal was found by Cheapflights users on 8/7. 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.
Sun 9/69:41 am -
1 stop4h 39m
Sat 9/126:18 am -
1 stop6h 19m
Deal found 8/7![Alaska Airlines logo]()
$405
This Delta deal was found by Cheapflights users on 8/6. 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 9/41:23 pm -
1 stop3h 57m
Fri 9/116:57 pm -
1 stop3h 58m
Deal found 8/6![Delta logo]()
$445
This Alaska Airlines deal was found by Cheapflights users on 8/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/43:44 pm -
1 stop6h 12m
Fri 9/112:01 pm -
1 stop6h 58m
Deal found 8/9![Alaska Airlines logo]()
$530
Last-minute flights from Spokane to Idaho FallsDiscover last-minute flight deals from Spokane to Idaho Falls. Data last updated August 10, 2026 and is based on user searches.
Discover last-minute flight deals from Spokane to Idaho Falls. Data last updated August 10, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 8/6. 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.
Fri 8/285:52 am -
1 stop8h 28m
Sun 8/306:18 am -
1 stop5h 45m
Deal found 8/6![Alaska Airlines logo]()
$485
This Booking.com deal was found by Cheapflights users on 8/9. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/31:27 pm -
1 stop8h 29m
Wed 9/96:18 am -
1 stop6h 19m
Deal found 8/9![Alaska Airlines logo]()
$425
This Delta deal was found by Cheapflights users on 8/6. 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 9/35:15 am -
2 stops8h 20m
Wed 9/96:57 pm -
1 stop3h 57m
Deal found 8/6![Delta logo]()
$430
This Delta deal was found by Cheapflights users on 8/6. 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 9/41:23 pm -
1 stop3h 57m
Fri 9/116:57 pm -
1 stop3h 58m
Deal found 8/6![Delta logo]()
$445
This Alaska Airlines deal was found by Cheapflights users on 8/5. 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 9/41:27 pm -
1 stop24h 53m
Fri 9/113:57 pm -
1 stop3h 47m
Deal found 8/5![Alaska Airlines logo]()
$494
This Alaska Airlines deal was found by Cheapflights users on 8/7. 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.
Sun 9/68:31 am -
1 stop5h 49m
Sat 9/123:57 pm -
2 stops8h 56m
Deal found 8/7![Alaska Airlines logo]()
$449
This Expedia deal was found by Cheapflights users on 8/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1410:37 am -
1 stop11h 19m
Sat 9/192:01 pm -
1 stop4h 51m
Deal found 8/7![Alaska Airlines logo]()
$405
One-way flights from Spokane to Idaho FallsSearch for one-way flight options from Spokane to Idaho Falls. Find affordable one-way fares based on user searches. Data last updated August 10, 2026.
Search for one-way flight options from Spokane to Idaho Falls. Find affordable one-way fares based on user searches. Data last updated August 10, 2026.
This Booking.com deal was found by Cheapflights users on 8/9. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/129:31 am -
1 stop4h 49m
Deal found 8/9![Alaska Airlines logo]()
$203
This Kiwi.com deal was found by Cheapflights users on 8/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/123:34 pm -
3 stops43h 00m
Deal found 8/9![Multiple Airlines logo]()
$549
Find 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 August 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $385 (Alaska Airlines) |
One-way from | $203 (Booking.com) |
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 August 10, 2026.
Use the filters below to find and compare flights from Spokane to Idaho Falls that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SpokaneIdaho Falls
GEG Spokane - IDA Idaho Falls Fanning Field
GEGIDA
Spokane
Fri 11/13
5:00 pm-10:02 pm
1 stop4h 02m
Idaho Falls Fanning Field
Tue 11/17
6:56 pm-11:50 pm
1 stop5h 54m
$385
Quickest round-trip
SpokaneIdaho Falls
GEG Spokane - IDA Idaho Falls Fanning Field
GEGIDA
Spokane
Sat 10/24
10:27 am-3:20 pm
1 stop3h 53m
Idaho Falls Fanning Field
Wed 10/28
3:57 pm-6:49 pm
1 stop3h 52m
$385
SpokaneIdaho Falls
GEG Spokane - IDA Idaho Falls Fanning Field
GEGIDA
Spokane
Sun 9/6
9:41 am-3:20 pm
1 stop4h 39m
Idaho Falls Fanning Field
Sat 9/12
6:18 am-11:37 am
1 stop6h 19m
$405
SpokaneIdaho Falls
GEG Spokane - IDA Idaho Falls Fanning Field
GEGIDA
Spokane
Fri 9/4
1:23 pm-6:20 pm
1 stop3h 57m
Idaho Falls Fanning Field
Fri 9/11
6:57 pm-9:55 pm
1 stop3h 58m
$445
SpokaneIdaho Falls
GEG Spokane - IDA Idaho Falls Fanning Field
GEGIDA
Spokane
Fri 9/4
3:44 pm-10:56 pm
1 stop6h 12m
Idaho Falls Fanning Field
Fri 9/11
2:01 pm-7:59 pm
1 stop6h 58m
$530
Cheapest one-way
Quickest one-way
SpokaneIdaho Falls
GEG Spokane - IDA Idaho Falls Fanning Field
GEGIDA
Spokane
Sat 9/12
9:31 am-3:20 pm
1 stop4h 49m
$203
SpokaneIdaho Falls
GEG Spokane - IDA Idaho Falls Fanning Field
GEGIDA
Spokane
Sat 9/12
3:34 pm-11:34 am
3 stops43h 00m
$549
Sorted by cheapest first
Compare providers for flights from Spokane to Idaho Falls
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 Spokane to Idaho Falls in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Spokane-Idaho Falls flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Spokane-Idaho Falls flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Spokane-Idaho Falls flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Spokane-Idaho Falls 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 Spokane-Idaho Falls 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 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.
GEG-IDA
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.
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 August 10, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines 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.
Entertainment
7.0
Comfort
7.8
Overall
7.9
Crew
8.5
Boarding
8.1
Food
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Entertainment
7.0
Comfort
7.8
Overall
7.9
Crew
8.5
Boarding
8.1
Food
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
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.
Traveling to a place near Idaho Falls?
Book flights to Idaho Falls if you plan to visit one of these locationsRexburg
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Other flights to Idaho Falls
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Spokane and Idaho Falls flights
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Top airline flying from Spokane to Idaho Falls
Discover the top airline 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 August 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$254 | Average$310 | FlexibilityNo cancel fee | On-time75% |