$193+ Cheap flights from Idaho Falls to Boise (IDA - BOI)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — BOI
Oct 12 — Oct 191
Round-trip
1 adult, Economy
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Find cheap flights from Idaho Falls to Boise 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 Idaho Falls to Boise
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Best
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One-way
Cheapest flights from Idaho Falls to BoiseExplore the most affordable flight options available from Idaho Falls to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 12, 2026.
Explore the most affordable flight options available from Idaho Falls to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 12, 2026.
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 10/2510:02 am -
1 stop26h 38m
Sun 11/12:49 pm -
1 stop21h 47m
Deal found 9/10![Multiple Airlines logo]()
$356
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.
Fri 10/236:56 pm -
1 stop5h 03m
Sat 10/245:14 pm -
1 stop4h 56m
Deal found 9/10![Delta logo]()
$405
This Booking.com deal was found by Cheapflights users on 9/6. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/293:57 pm -
2 stops20h 38m
Sat 10/316:43 am -
1 stop8h 37m
Deal found 9/6![Alaska Airlines logo]()
$431
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.
Fri 11/273:46 pm -
1 stop4h 23m
Sat 12/125:43 pm -
1 stop4h 56m
Deal found 9/10![Alaska Airlines logo]()
$448
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.
Fri 10/236:09 am -
1 stop6h 26m
Sat 10/246:43 am -
2 stops6h 38m
Deal found 9/10![Alaska Airlines logo]()
$451
This Alaska Airlines deal was found by Cheapflights users on 9/9. 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.
Wed 10/76:09 am -
2 stops16h 48m
Wed 10/147:20 am -
2 stops15h 39m
Deal found 9/9![Alaska Airlines logo]()
$517
This Delta deal was found by Cheapflights users on 9/9. 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.
Thu 9/246:00 am -
1 stop3h 51m
Mon 9/286:44 pm -
1 stop3h 38m
Deal found 9/9![Delta logo]()
$585
Best flights from Idaho Falls to BoiseDiscover carefully curated flight deals from Idaho Falls to Boise that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 12, 2026.
Discover carefully curated flight deals from Idaho Falls to Boise that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 12, 2026.
This Booking.com deal was found by Cheapflights users on 9/6. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/296:09 am -
1 stop6h 26m
Sat 10/316:43 am -
1 stop8h 37m
Deal found 9/6![Alaska Airlines logo]()
$433
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.
Wed 9/236:57 pm -
1 stop5h 01m
Sun 9/278:49 am -
1 stop3h 26m
Deal found 9/8![Delta logo]()
$605
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.
Fri 11/273:46 pm -
1 stop4h 23m
Sat 12/125:43 pm -
1 stop4h 56m
Deal found 9/10![Alaska Airlines logo]()
$448
This Alaska Airlines deal was found by Cheapflights users on 9/9. 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.
Wed 10/76:09 am -
2 stops16h 48m
Wed 10/147:20 am -
2 stops15h 39m
Deal found 9/9![Alaska Airlines logo]()
$517
This Delta deal was found by Cheapflights users on 9/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:00 am -
1 stop3h 51m
Sat 9/265:20 pm -
1 stop5h 02m
Deal found 9/7![Delta logo]()
$605
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.
Tue 12/221:52 pm -
1 stop6h 13m
Tue 12/299:00 am -
1 stop4h 15m
Deal found 9/10![Alaska Airlines logo]()
$627
Last-minute flights from Idaho Falls to BoiseDiscover last-minute flight deals from Idaho Falls to Boise. Data last updated September 12, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho Falls to Boise. Data last updated September 12, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 9/9. 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.
Thu 9/246:00 am -
1 stop3h 51m
Mon 9/286:44 pm -
1 stop3h 38m
Deal found 9/9![Delta logo]()
$585
This Alaska Airlines deal was found by Cheapflights users on 9/9. 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.
Wed 10/76:09 am -
2 stops16h 48m
Wed 10/147:20 am -
2 stops15h 39m
Deal found 9/9![Alaska Airlines logo]()
$517
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.
Fri 10/236:56 pm -
1 stop5h 03m
Sat 10/245:14 pm -
1 stop4h 56m
Deal found 9/10![Delta logo]()
$405
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.
Fri 10/236:09 am -
1 stop6h 26m
Sat 10/246:43 am -
2 stops6h 38m
Deal found 9/10![Alaska Airlines logo]()
$451
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 10/2510:02 am -
1 stop26h 38m
Sun 11/12:49 pm -
1 stop21h 47m
Deal found 9/10![Multiple Airlines logo]()
$356
This Booking.com deal was found by Cheapflights users on 9/6. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/293:57 pm -
2 stops20h 38m
Sat 10/316:43 am -
1 stop8h 37m
Deal found 9/6![Alaska Airlines logo]()
$431
One-way flights from Idaho Falls to BoiseSearch for one-way flight options from Idaho Falls to Boise. Find affordable one-way fares based on user searches. Data last updated September 12, 2026.
Search for one-way flight options from Idaho Falls to Boise. Find affordable one-way fares based on user searches. Data last updated September 12, 2026.
This Delta deal was found by Cheapflights users on 9/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/76:00 am -
1 stop4h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Delta logo]()
$193
This Delta deal was found by Cheapflights users on 9/11. 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.
Mon 10/266:56 pm -
1 stop5h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Delta logo]()
$213
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/143:55 pm -
1 stop21h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Alaska Airlines logo]()
$242
This Delta deal was found by Cheapflights users on 9/11. 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.
Sat 10/36:00 am -
1 stop3h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Delta logo]()
$253
This Alaska Airlines deal was found by Cheapflights users on 9/11. 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.
Mon 10/266:09 am -
2 stops9h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Alaska Airlines logo]()
$269
This Alaska Airlines deal was found by Cheapflights users on 9/11. 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 10/66:09 am -
2 stops15h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Alaska Airlines logo]()
$316
This Booking.com deal was found by Cheapflights users on 9/7. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/76:09 am -
2 stops7h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Alaska Airlines logo]()
$317
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/410:02 am -
2 stops27h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Multiple Airlines logo]()
$332
This Alaska Airlines deal was found by Cheapflights users on 9/11. 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.
Thu 10/86:09 am -
2 stops9h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Alaska Airlines logo]()
$334
This Delta deal was found by Cheapflights users on 9/11. 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.
Fri 10/96:56 pm -
2 stops19h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Delta logo]()
$361
Find flight deals from Idaho Falls to Boise
Discover tips and strategies to find the most affordable flight options for your journey from Idaho Falls (IDA) to Boise (BOI). 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 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $356 (Kiwi.com) |
One-way from | $193 (Delta) |
Cheapflights Fare Finder
Customize your flight search to find flights from Idaho Falls to Boise 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 7,457,451 searches. Data last updated September 12, 2026.
Use the filters below to find and compare flights from Idaho Falls to Boise that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Idaho FallsBoise
IDA Idaho Falls Fanning Field - BOI Boise Air Term. Gowen Fld
IDABOI
Idaho Falls Fanning Field
Wed 10/7
6:00 am-10:42 am
1 stop4h 42m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$193
Idaho FallsBoise
IDA Idaho Falls Fanning Field - BOI Boise Air Term. Gowen Fld
IDABOI
Idaho Falls Fanning Field
Mon 10/26
6:56 pm-11:59 pm
1 stop5h 03m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$213
Quickest round-trip
Idaho FallsBoise
IDA Idaho Falls Fanning Field - BOI Boise Air Term. Gowen Fld
IDABOI
Idaho Falls Fanning Field
Sat 10/3
6:00 am-9:51 am
1 stop3h 51m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$253
Idaho FallsBoise
IDA Idaho Falls Fanning Field - BOI Boise Air Term. Gowen Fld
IDABOI
Idaho Falls Fanning Field
Mon 10/5
6:00 am-9:51 am
1 stop3h 51m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$253
Idaho FallsBoise
IDA Idaho Falls Fanning Field - BOI Boise Air Term. Gowen Fld
IDABOI
Idaho Falls Fanning Field
Sun 10/4
6:00 am-9:51 am
1 stop3h 51m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$253
Idaho FallsBoise
IDA Idaho Falls Fanning Field - BOI Boise Air Term. Gowen Fld
IDABOI
Idaho Falls Fanning Field
Wed 10/7
6:09 am-1:10 pm
2 stops7h 01m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$317
Idaho FallsBoise
IDA Idaho Falls Fanning Field - BOI Boise Air Term. Gowen Fld
IDABOI
Idaho Falls Fanning Field
Sun 9/20
6:00 am-10:17 am
1 stop4h 17m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$393
Idaho FallsBoise
IDA Idaho Falls Fanning Field - BOI Boise Air Term. Gowen Fld
IDABOI
Idaho Falls Fanning Field
Thu 10/29
6:09 am-12:35 pm
1 stop6h 26m
Boise Air Term. Gowen Fld
Sat 10/31
6:43 am-3:20 pm
1 stop8h 37m
$433
Idaho FallsBoise
IDA Idaho Falls Fanning Field - BOI Boise Air Term. Gowen Fld
IDABOI
Idaho Falls Fanning Field
Fri 11/27
3:46 pm-8:09 pm
1 stop4h 23m
Boise Air Term. Gowen Fld
Sat 12/12
5:43 pm-10:39 pm
1 stop4h 56m
$448
Idaho FallsBoise
IDA Idaho Falls Fanning Field - BOI Boise Air Term. Gowen Fld
IDABOI
Idaho Falls Fanning Field
Wed 9/16
2:01 pm-11:00 pm
2 stops8h 59m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$473
Showing 1-10 of 17 resultsSorted by cheapest first
Compare providers for flights from Idaho Falls to Boise
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 Boise in September.
| 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 Idaho Falls-Boise flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Idaho Falls-Boise flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Idaho Falls-Boise flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Idaho Falls-Boise 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-Boise 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 Boise
Have a flexible travel schedule? Discover the best time to fly to Boise from Idaho Falls with our price prediction graph.
IDA-BOI
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.
Related info for your journey
Find useful and relevant information for your journey from Idaho Falls to Boise. 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 Boise?
Book flights to Boise if you plan to visit one of these locationsOntario
Meridian
Nampa
Caldwell
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