$235+ 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 1/11. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — BOI
Nov 25 — Dec 21
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
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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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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 October 26, 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 October 26, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/22. 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 11/19:02 am -
1 stop27h 38m
Thu 11/56:43 pm -
1 stop24h 51m
Deal found 10/22![Allegiant Air logo]()
$398
This Kiwi.com deal was found by Cheapflights users on 10/24. 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 11/89:02 am -
1 stop27h 08m
Thu 11/122:49 pm -
1 stop22h 41m
Deal found 10/24![Multiple Airlines logo]()
$403
This Delta deal was found by Cheapflights users on 10/25. 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 12/225:40 am -
1 stop4h 12m
Tue 12/296:35 pm -
1 stop4h 28m
Deal found 10/25![Delta logo]()
$405
This Kiwi.com deal was found by Cheapflights users on 10/22. 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 11/19:02 am -
1 stop27h 38m
Thu 11/52:49 pm -
2 stops28h 45m
Deal found 10/22![Multiple Airlines logo]()
$458
This Alaska Airlines deal was found by Cheapflights users on 10/21. 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 12/223:55 pm -
1 stop4h 17m
Tue 12/298:21 pm -
1 stop16h 54m
Deal found 10/21![Alaska Airlines logo]()
$468
This Alaska Airlines deal was found by Cheapflights users on 10/22. 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 11/61:53 pm -
1 stop4h 10m
Tue 11/107:00 am -
2 stops15h 54m
Deal found 10/22![Alaska Airlines logo]()
$611
This Delta deal was found by Cheapflights users on 10/23. 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 11/71:05 pm -
1 stop3h 09m
Wed 11/116:45 pm -
1 stop3h 14m
Deal found 10/23![Delta logo]()
$645
This Alaska Airlines deal was found by Cheapflights users on 10/24. 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 11/41:53 pm -
2 stops23h 35m
Sat 11/78:30 am -
2 stops14h 24m
Deal found 10/24![Alaska Airlines logo]()
$647
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 October 26, 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 October 26, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/22. 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 11/19:02 am -
1 stop27h 38m
Thu 11/56:43 pm -
1 stop24h 51m
Deal found 10/22![Allegiant Air logo]()
$398
This Kiwi.com deal was found by Cheapflights users on 10/24. 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 11/89:02 am -
1 stop27h 08m
Thu 11/122:49 pm -
1 stop22h 41m
Deal found 10/24![Multiple Airlines logo]()
$403
This Delta deal was found by Cheapflights users on 10/25. 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 12/225:40 am -
1 stop4h 12m
Tue 12/296:35 pm -
1 stop4h 28m
Deal found 10/25![Delta logo]()
$405
This Alaska Airlines deal was found by Cheapflights users on 10/25. 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 1/51:56 pm -
2 stops23h 27m
Thu 1/76:44 pm -
2 stops20h 37m
Deal found 10/25![Alaska Airlines logo]()
$472
This Delta deal was found by Cheapflights users on 10/22. 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 1/56:45 pm -
1 stop4h 19m
Thu 1/75:45 pm -
1 stop4h 34m
Deal found 10/22![Delta logo]()
$445
This Alaska Airlines deal was found by Cheapflights users on 10/23. 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 12/223:55 pm -
1 stop4h 17m
Tue 12/297:00 am -
2 stops8h 18m
Deal found 10/23![Alaska Airlines logo]()
$557
Last-minute flights from Idaho Falls to BoiseDiscover last-minute flight deals from Idaho Falls to Boise. Data last updated October 26, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho Falls to Boise. Data last updated October 26, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 10/22. 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 11/19:02 am -
1 stop27h 38m
Thu 11/56:43 pm -
1 stop24h 51m
Deal found 10/22![Allegiant Air logo]()
$398
This Kiwi.com deal was found by Cheapflights users on 10/22. 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 11/19:02 am -
1 stop27h 38m
Thu 11/52:49 pm -
2 stops28h 45m
Deal found 10/22![Multiple Airlines logo]()
$458
This Alaska Airlines deal was found by Cheapflights users on 10/24. 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 11/41:53 pm -
2 stops23h 35m
Sat 11/78:30 am -
2 stops14h 24m
Deal found 10/24![Alaska Airlines logo]()
$647
This Alaska Airlines deal was found by Cheapflights users on 10/22. 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 11/61:53 pm -
1 stop4h 10m
Tue 11/107:00 am -
2 stops15h 54m
Deal found 10/22![Alaska Airlines logo]()
$611
This Delta deal was found by Cheapflights users on 10/23. 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 11/71:05 pm -
1 stop3h 09m
Wed 11/116:45 pm -
1 stop3h 14m
Deal found 10/23![Delta logo]()
$645
This Alaska Airlines deal was found by Cheapflights users on 10/23. 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 11/76:04 am -
1 stop6h 21m
Wed 11/117:00 am -
2 stops15h 54m
Deal found 10/23![Alaska Airlines logo]()
$661
This Kiwi.com deal was found by Cheapflights users on 10/24. 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 11/89:02 am -
1 stop27h 08m
Thu 11/122:49 pm -
1 stop22h 41m
Deal found 10/24![Multiple Airlines logo]()
$403
This Gotogate deal was found by Cheapflights users on 10/24. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/86:04 am -
2 stops16h 35m
Thu 11/128:30 am -
2 stops14h 24m
Deal found 10/24![Alaska Airlines logo]()
$686
This Alaska Airlines deal was found by Cheapflights users on 10/21. 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 11/86:04 am -
2 stops16h 35m
Mon 11/94:55 pm -
2 stops22h 23m
Deal found 10/21![Alaska Airlines logo]()
$692
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 October 26, 2026.
Search for one-way flight options from Idaho Falls to Boise. Find affordable one-way fares based on user searches. Data last updated October 26, 2026.
This Alaska Airlines deal was found by Cheapflights users on 10/25. 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 1/111:56 pm -
2 stops23h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Alaska Airlines logo]()
$235
This Kiwi.com deal was found by Cheapflights users on 10/22. 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.
Wed 11/2512:36 pm -
1 stop24h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Allegiant Air logo]()
$259
This Delta deal was found by Cheapflights users on 10/21. 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 11/161:11 pm -
1 stop4h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Delta logo]()
$263
This Alaska Airlines deal was found by Cheapflights users on 10/21. 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 11/161:53 pm -
2 stops23h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Alaska Airlines logo]()
$282
This Alaska Airlines deal was found by Cheapflights users on 10/22. 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 11/253:46 pm -
2 stops23h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Alaska Airlines logo]()
$418
This Kiwi.com deal was found by Cheapflights users on 10/21. 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 11/167:47 pm -
3 stops28h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Multiple Airlines logo]()
$463
This Kiwi.com deal was found by Cheapflights users on 10/25. 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 1/117:48 pm -
3 stops40h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Multiple Airlines logo]()
$501
This Kiwi.com deal was found by Cheapflights users on 10/22. 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.
Wed 11/256:37 pm -
3 stops43h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Multiple Airlines logo]()
$567
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 October 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $403 (Kiwi.com) |
One-way from | $235 (Alaska Airlines) |
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 October 26, 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
Mon 1/11
1:56 pm-1:23 pm
2 stops23h 27m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$235
Idaho FallsBoise
IDA Idaho Falls Fanning Field - BOI Boise Air Term. Gowen Fld
IDABOI
Idaho Falls Fanning Field
Wed 11/25
12:36 pm-12:50 pm
1 stop24h 14m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$259
Quickest round-trip
Idaho FallsBoise
IDA Idaho Falls Fanning Field - BOI Boise Air Term. Gowen Fld
IDABOI
Idaho Falls Fanning Field
Mon 11/16
1:11 pm-5:55 pm
1 stop4h 44m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$263
Idaho FallsBoise
IDA Idaho Falls Fanning Field - BOI Boise Air Term. Gowen Fld
IDABOI
Idaho Falls Fanning Field
Sun 11/1
9:02 am-12:40 pm
1 stop27h 38m
Boise Air Term. Gowen Fld
Thu 11/5
6:43 pm-7:34 pm
1 stop24h 51m
$398
Idaho FallsBoise
IDA Idaho Falls Fanning Field - BOI Boise Air Term. Gowen Fld
IDABOI
Idaho Falls Fanning Field
Sun 11/8
9:02 am-12:10 pm
1 stop27h 08m
Boise Air Term. Gowen Fld
Thu 11/12
2:49 pm-1:30 pm
1 stop22h 41m
$403
Idaho FallsBoise
IDA Idaho Falls Fanning Field - BOI Boise Air Term. Gowen Fld
IDABOI
Idaho Falls Fanning Field
Tue 12/22
5:40 am-9:52 am
1 stop4h 12m
Boise Air Term. Gowen Fld
Tue 12/29
6:35 pm-11:03 pm
1 stop4h 28m
$405
Idaho FallsBoise
IDA Idaho Falls Fanning Field - BOI Boise Air Term. Gowen Fld
IDABOI
Idaho Falls Fanning Field
Wed 11/25
3:46 pm-3:28 pm
2 stops23h 42m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$418
Idaho FallsBoise
IDA Idaho Falls Fanning Field - BOI Boise Air Term. Gowen Fld
IDABOI
Idaho Falls Fanning Field
Tue 1/5
6:45 pm-11:04 pm
1 stop4h 19m
Boise Air Term. Gowen Fld
Thu 1/7
5:45 pm-10:19 pm
1 stop4h 34m
$445
Idaho FallsBoise
IDA Idaho Falls Fanning Field - BOI Boise Air Term. Gowen Fld
IDABOI
Idaho Falls Fanning Field
Mon 11/16
7:47 pm-11:49 pm
3 stops28h 02m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$463
Idaho FallsBoise
IDA Idaho Falls Fanning Field - BOI Boise Air Term. Gowen Fld
IDABOI
Idaho Falls Fanning Field
Tue 1/5
1:56 pm-1:23 pm
2 stops23h 27m
Boise Air Term. Gowen Fld
Thu 1/7
6:44 pm-3:21 pm
2 stops20h 37m
$472
Showing 1-10 of 13 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 October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 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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