$647+ Cheap flights from Idaho Falls (IDA) to Alaska
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 10/23. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — ANC
Sep 23 — Sep 301
Round-trip
1 adult, Economy
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Find cheap flights from Idaho Falls to Alaska 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 Alaska
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Best
Last-minute
Cheapest flights from Idaho Falls to AlaskaExplore the most affordable flight options available from Idaho Falls to Alaska. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 24, 2026.
Explore the most affordable flight options available from Idaho Falls to Alaska. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 24, 2026.
This Alaska Airlines deal was found by Cheapflights users on 8/20. 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 stop17h 27m
Tue 10/275:36 am -
1 stop15h 23m
Deal found 8/20![Alaska Airlines logo]()
$647
This Alaska Airlines deal was found by Cheapflights users on 8/24. 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.
Sat 9/262:01 pm -
2 stops18h 14m
Sun 10/411:21 pm -
2 stops12h 00m
Deal found 8/24![Alaska Airlines logo]()
$653
This Expedia deal was found by Cheapflights users on 8/23. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/283:57 pm -
1 stop10h 33m
Mon 10/53:51 pm -
1 stop19h 30m
Deal found 8/23![Alaska Airlines logo]()
$670
This Alaska Airlines deal was found by Cheapflights users on 8/24. 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.
Fri 9/253:57 pm -
2 stops20h 07m
Fri 10/21:43 am -
1 stop9h 38m
Deal found 8/24![Alaska Airlines logo]()
$673
This Alaska Airlines deal was found by Cheapflights users on 8/20. 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 9/303:57 pm -
2 stops22h 31m
Thu 10/811:21 pm -
2 stops12h 00m
Deal found 8/20![Alaska Airlines logo]()
$677
This Expedia deal was found by Cheapflights users on 8/23. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/276:18 am -
2 stops18h 33m
Sat 10/37:02 am -
1 stop6h 18m
Deal found 8/23![Alaska Airlines logo]()
$689
This Expedia deal was found by Cheapflights users on 8/23. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/253:57 pm -
2 stops8h 49m
Fri 10/29:44 pm -
2 stops23h 15m
Deal found 8/23![Alaska Airlines logo]()
$714
This Expedia deal was found by Cheapflights users on 8/23. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/253:57 pm -
2 stops18h 51m
Thu 10/17:17 am -
2 stops13h 39m
Deal found 8/23![Alaska Airlines logo]()
$792
This Priceline deal was found by Cheapflights users on 8/21. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/52:01 pm -
1 stop8h 53m
Wed 9/910:02 am -
2 stops25h 22m
Deal found 8/21![Alaska Airlines logo]()
$1,004
This Alaska Airlines deal was found by Cheapflights users on 8/23. 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 9/83:57 pm -
2 stops30h 43m
Sat 9/121:51 pm -
2 stops31h 05m
Deal found 8/23![Alaska Airlines logo]()
$1,069
Best flights from Idaho Falls to AlaskaDiscover carefully curated flight deals from Idaho Falls to Alaska that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 24, 2026.
Discover carefully curated flight deals from Idaho Falls to Alaska that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 24, 2026.
This Alaska Airlines deal was found by Cheapflights users on 8/20. 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 stop17h 27m
Tue 10/275:36 am -
1 stop15h 23m
Deal found 8/20![Alaska Airlines logo]()
$647
This United Airlines deal was found by Cheapflights users on 8/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/274:05 pm -
1 stop8h 38m
Sat 10/311:45 pm -
1 stop8h 08m
Deal found 8/23![United Airlines logo]()
$755
This Alaska Airlines deal was found by Cheapflights users on 8/24. 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.
Sat 9/263:57 pm -
1 stop10h 33m
Sun 10/43:51 pm -
1 stop19h 30m
Deal found 8/24![Alaska Airlines logo]()
$671
This Alaska Airlines deal was found by Cheapflights users on 8/23. 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.
Fri 9/253:57 pm -
2 stops8h 48m
Fri 10/21:43 am -
1 stop9h 38m
Deal found 8/23![Alaska Airlines logo]()
$673
This Alaska Airlines deal was found by Cheapflights users on 8/22. 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.
Mon 2/19:08 am -
1 stop7h 53m
Fri 2/512:15 pm -
1 stop25h 06m
Deal found 8/22![Alaska Airlines logo]()
$677
This Alaska Airlines deal was found by Cheapflights users on 8/19. 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 stop17h 39m
Mon 10/261:43 am -
1 stop9h 38m
Deal found 8/19![Alaska Airlines logo]()
$682
This Alaska Airlines deal was found by Cheapflights users on 8/20. 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 12/76:15 am -
2 stops19h 56m
Tue 12/812:34 am -
2 stops20h 05m
Deal found 8/20![Alaska Airlines logo]()
$711
This Alaska Airlines deal was found by Cheapflights users on 8/23. 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.
Fri 9/253:57 pm -
2 stops25h 31m
Thu 10/17:17 am -
1 stop13h 39m
Deal found 8/23![Alaska Airlines logo]()
$795
This Alaska Airlines deal was found by Cheapflights users on 8/20. 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 1/119:08 am -
2 stops14h 22m
Wed 1/137:15 am -
2 stops13h 38m
Deal found 8/20![Alaska Airlines logo]()
$874
Last-minute flights from Idaho Falls to AlaskaDiscover last-minute flight deals from Idaho Falls to Alaska. Data last updated August 24, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho Falls to Alaska. Data last updated August 24, 2026 and is based on user searches.
This Priceline deal was found by Cheapflights users on 8/21. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/52:01 pm -
1 stop8h 53m
Wed 9/910:02 am -
2 stops25h 22m
Deal found 8/21![Alaska Airlines logo]()
$1,004
This Alaska Airlines deal was found by Cheapflights users on 8/23. 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 9/83:57 pm -
2 stops30h 43m
Sat 9/121:51 pm -
2 stops31h 05m
Deal found 8/23![Alaska Airlines logo]()
$1,069
This United Airlines deal was found by Cheapflights users on 8/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/87:00 am -
2 stops14h 16m
Sat 9/128:22 pm -
3 stops18h 54m
Deal found 8/23![United Airlines logo]()
$3,029
This Alaska Airlines deal was found by Cheapflights users on 8/24. 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.
Fri 9/253:57 pm -
2 stops20h 07m
Fri 10/21:43 am -
1 stop9h 38m
Deal found 8/24![Alaska Airlines logo]()
$673
This Expedia deal was found by Cheapflights users on 8/23. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/253:57 pm -
2 stops8h 49m
Fri 10/29:44 pm -
2 stops23h 15m
Deal found 8/23![Alaska Airlines logo]()
$714
This Expedia deal was found by Cheapflights users on 8/23. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/253:57 pm -
2 stops18h 51m
Thu 10/17:17 am -
2 stops13h 39m
Deal found 8/23![Alaska Airlines logo]()
$792
This Alaska Airlines deal was found by Cheapflights users on 8/24. 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.
Sat 9/262:01 pm -
2 stops18h 14m
Sun 10/411:21 pm -
2 stops12h 00m
Deal found 8/24![Alaska Airlines logo]()
$653
This Expedia deal was found by Cheapflights users on 8/23. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/276:18 am -
2 stops18h 33m
Sat 10/37:02 am -
1 stop6h 18m
Deal found 8/23![Alaska Airlines logo]()
$689
This Expedia deal was found by Cheapflights users on 8/23. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/283:57 pm -
1 stop10h 33m
Mon 10/53:51 pm -
1 stop19h 30m
Deal found 8/23![Alaska Airlines logo]()
$670
This Alaska Airlines deal was found by Cheapflights users on 8/20. 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 9/303:57 pm -
2 stops22h 31m
Thu 10/811:21 pm -
2 stops12h 00m
Deal found 8/20![Alaska Airlines logo]()
$677
Find flight deals from Idaho Falls to Alaska
Keep the following information in mind while searching for Idaho Falls to Alaska flight deals. Data was last updated August 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $647 (Alaska Airlines) |
Popular in | May |
Cheapest in | January |
Average price | $718 |
Cheapflights Fare Finder
Customize your flight search to find flights from Idaho Falls to Alaska 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 August 24, 2026.
Use the filters below to find and compare flights from Idaho Falls to Alaska that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Idaho FallsFairbanks
IDA Idaho Falls Fanning Field - FAI Fairbanks
IDAFAI
Idaho Falls Fanning Field
Fri 10/23
6:09 am-9:36 pm
1 stop17h 27m
Fairbanks
Tue 10/27
5:36 am-10:59 pm
1 stop15h 23m
$647
Idaho FallsAnchorage
IDA Idaho Falls Fanning Field - ANC Anchorage
IDAANC
Idaho Falls Fanning Field
Sat 9/26
3:57 pm-12:30 am
1 stop10h 33m
Anchorage
Sun 10/4
3:51 pm-1:21 pm
1 stop19h 30m
$671
Idaho FallsAnchorage
IDA Idaho Falls Fanning Field - ANC Anchorage
IDAANC
Idaho Falls Fanning Field
Fri 9/25
3:57 pm-10:45 pm
2 stops8h 48m
Anchorage
Fri 10/2
1:43 am-1:21 pm
1 stop9h 38m
$673
Idaho FallsFairbanks
IDA Idaho Falls Fanning Field - FAI Fairbanks
IDAFAI
Idaho Falls Fanning Field
Mon 2/1
9:08 am-3:01 pm
1 stop7h 53m
Fairbanks
Fri 2/5
12:15 pm-3:21 pm
1 stop25h 06m
$677
Idaho FallsAnchorage
IDA Idaho Falls Fanning Field - ANC Anchorage
IDAANC
Idaho Falls Fanning Field
Fri 10/23
6:09 am-9:48 pm
1 stop17h 39m
Anchorage
Mon 10/26
1:43 am-1:21 pm
1 stop9h 38m
$682
Idaho FallsAnchorage
IDA Idaho Falls Fanning Field - ANC Anchorage
IDAANC
Idaho Falls Fanning Field
Mon 12/7
6:15 am-12:11 am
2 stops19h 56m
Anchorage
Tue 12/8
12:34 am-10:39 pm
2 stops20h 05m
$711
Quickest round-trip
Idaho FallsAnchorage
IDA Idaho Falls Fanning Field - ANC Anchorage
IDAANC
Idaho Falls Fanning Field
Sun 9/27
4:05 pm-10:43 pm
1 stop8h 38m
Anchorage
Sat 10/3
11:45 pm-9:53 am
1 stop8h 08m
$755
Idaho FallsJuneau
IDA Idaho Falls Fanning Field - JNU Juneau Intl
IDAJNU
Idaho Falls Fanning Field
Fri 9/25
3:57 pm-3:28 pm
2 stops25h 31m
Juneau Intl
Thu 10/1
7:17 am-10:56 pm
1 stop13h 39m
$795
Idaho FallsJuneau
IDA Idaho Falls Fanning Field - JNU Juneau Intl
IDAJNU
Idaho Falls Fanning Field
Mon 1/11
9:08 am-9:30 pm
2 stops14h 22m
Juneau Intl
Wed 1/13
7:15 am-10:53 pm
2 stops13h 38m
$874
Sorted by cheapest first
Best time to book a flight from Idaho Falls to Alaska
Have a flexible travel schedule? Discover the best time to fly to Alaska from Idaho Falls with our price prediction graph.
IDA-FAI
IDA-ANC
IDA-JNU
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 Alaska
IDA-USAK
IDA-FAI
IDA-ANC
IDA-JNU
How much does it cost to fly round-trip from Idaho Falls to Alaska?
Airfare is typical for this route at the moment.
Idaho Falls to Alaska flights typically cost between $614 and $927 in September.The cheapest round-trip price found within the last 5 days was $653 on Alaska Airlines (Sep 26-Oct 4).
Reviews of airlines servicing Alaska
Get insights into the airlines that provide service to Alaska. 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 Alaska. Reviews last updated August 24, 2026.
Read reviews from past customers who have flown Alaska Airlines from Idaho Falls to Alaska. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Overall
7.9
Entertainment
7.0
Boarding
8.1
Crew
8.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Aug 2025
BOI - LAX
Comfort
7.8
Overall
7.9
Entertainment
7.0
Boarding
8.1
Crew
8.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Aug 2025
BOI - LAX
Related info for your journey
Find useful and relevant information for your journey from Idaho Falls to Alaska. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Idaho Falls to Alaska
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Alaska by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from Idaho Falls to Alaska, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Idaho Falls and Alaska flights
Browse other Idaho Falls and Alaska flight options. Last updated on August 24, 2026.
Popular flight searches
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Idaho Falls to Alaska flights
Consider these flights traveling from Idaho Falls to Alaska.
Top airline flying from Idaho Falls to Alaska
Discover the top airline that operate flights from Idaho Falls to Alaska. 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 7,457,451 searches. Data last updated August 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$441 | Average$718 | FlexibilityNo cancel fee | On-time75% |