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Alaska

$199+ Cheap flights from Idaho to Alaska

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 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — ANC
Aug 28 — Sep 41
Fri 8/28
Fri 9/4
1 adult, Economy
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Cheap flight deals from Idaho to Alaska

Cheapest flights from Idaho to Alaska
Explore the most affordable flight options available from Idaho to Alaska. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2026.

This United Airlines deal was found by Cheapflights users on 7/26. 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.
Wed 9/25:44 pm
BOI
-
ANC
1 stop8h 15m
United Airlines
Fri 9/411:09 pm
ANC
-
BOI
1 stop8h 25m
United Airlines
Deal found 7/26$397
This Southwest deal was found by Cheapflights users on 7/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/22:20 pm
BOI
-
ANC
1 stop10h 25m
Southwest
Fri 9/411:55 pm
ANC
-
BOI
2 stops11h 05m
Southwest
Deal found 7/25$402
This United Airlines deal was found by Cheapflights users on 7/28. 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.
Thu 8/272:44 pm
BOI
-
ANC
1 stop11h 15m
United Airlines
Fri 8/2811:09 pm
ANC
-
BOI
1 stop8h 25m
United Airlines
Deal found 7/28$417
This United Airlines deal was found by Cheapflights users on 7/27. 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.
Fri 9/112:41 pm
BOI
-
ANC
1 stop10h 24m
United Airlines
Sun 9/2011:09 pm
ANC
-
BOI
1 stop8h 26m
United Airlines
Deal found 7/27$423
This Southwest deal was found by Cheapflights users on 7/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/110:55 am
GEG
-
ANC
2 stops12h 50m
Southwest
Sat 9/511:55 pm
ANC
-
GEG
2 stops10h 30m
Southwest
Deal found 7/28$427
This Southwest deal was found by Cheapflights users on 7/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/192:20 pm
BOI
-
ANC
1 stop10h 25m
Southwest
Tue 8/2511:55 pm
ANC
-
BOI
1 stop8h 55m
Southwest
Deal found 7/27$437
This Southwest deal was found by Cheapflights users on 7/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/232:50 pm
GEG
-
ANC
1 stop8h 55m
Southwest
Tue 8/2511:55 pm
ANC
-
GEG
2 stops12h 10m
Southwest
Deal found 7/26$442
This Southwest deal was found by Cheapflights users on 7/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/2311:30 am
BOI
-
ANC
1 stop13h 15m
Southwest
Sun 8/3011:55 pm
ANC
-
BOI
1 stop8h 20m
Southwest
Deal found 7/26$457
This Southwest deal was found by Cheapflights users on 7/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/211:50 pm
GEG
-
ANC
1 stop8h 25m
Southwest
Fri 8/2810:25 pm
ANC
-
GEG
1 stop11h 00m
Southwest
Deal found 7/24$477
This Southwest deal was found by Cheapflights users on 7/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/110:55 am
GEG
-
ANC
2 stops12h 50m
Southwest
Sun 9/611:55 pm
ANC
-
GEG
1 stop10h 45m
Southwest
Deal found 7/28$482
This United Airlines deal was found by Cheapflights users on 7/28. 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.
Mon 8/248:15 am
BOI
-
ANC
1 stop7h 58m
United Airlines
Fri 8/2811:09 pm
ANC
-
BOI
1 stop8h 25m
United Airlines
Deal found 7/28$487
This Alaska Airlines deal was found by Cheapflights users on 7/28. 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 9/167:00 am
GEG
-
ANC
2 stops14h 42m
Alaska Airlines
Wed 9/239:07 am
ANC
-
GEG
2 stops13h 46m
Alaska Airlines
Deal found 7/28$503

Find flight deals from Idaho to Alaska

Keep the following information in mind while searching for Idaho to Alaska flight deals. Data was last updated July 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$397
(United Airlines)

One-way from

$199
(Southwest)

Popular in

February

Cheapest in

January

Average price

$505
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Anchorage flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Anchorage flights.
Search Deals
From Idaho to Alaska
Search Deals
One-way flight from Idaho to Alaska
Search Deals
Highest demand for flights based on searches. 0% potential increase in price ($4 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho 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 2,558,603 searches. Data last updated July 29, 2026.
Use the filters below to find and compare flights from Idaho to Alaska that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BoiseAnchorage

BOI - ANC

BOIANC

Boise Air Term. Gowen Fld

Wed 8/26

2:44 pm-11:59 pm

1 stop11h 15m

Anchorage

Wed 9/2

11:09 pm-9:35 am

1 stop8h 26m

$397

BoiseAnchorage

BOI - ANC

BOIANC

Boise Air Term. Gowen Fld

Tue 8/25

2:20 pm-10:45 pm

1 stop10h 25m

Anchorage

Tue 9/1

11:55 pm-10:50 am

1 stop8h 55m

$437

BoiseAnchorage

BOI - ANC

BOIANC

Boise Air Term. Gowen Fld

Wed 8/26

12:35 pm-9:15 pm

1 stop10h 40m

Anchorage

Wed 9/2

11:55 pm-3:05 pm

2 stops13h 10m

$442

SpokaneAnchorage

GEG - ANC

GEGANC

Spokane

Fri 8/21

1:50 pm-9:15 pm

1 stop8h 25m

Anchorage

Fri 8/28

10:25 pm-10:25 am

1 stop11h 00m

$477

SpokaneAnchorage

GEG - ANC

GEGANC

Spokane

Tue 9/1

10:55 am-10:45 pm

2 stops12h 50m

Anchorage

Sun 9/6

11:55 pm-11:40 am

1 stop10h 45m

$482

BoiseAnchorage

BOI - ANC

BOIANC

Boise Air Term. Gowen Fld

Mon 8/24

8:15 am-2:13 pm

1 stop7h 58m

Anchorage

Fri 8/28

11:09 pm-9:34 am

1 stop8h 25m

$487

BoiseAnchorage

BOI - ANC

BOIANC

Boise Air Term. Gowen Fld

Mon 8/24

1:30 pm-9:26 pm

1 stop9h 56m

Anchorage

Fri 8/28

10:48 pm-12:33 pm

1 stop11h 45m

$513

SpokaneAnchorage

GEG - ANC

GEGANC

Spokane

Wed 10/14

1:00 pm-8:41 pm

1 stop8h 41m

Anchorage

Wed 10/28

6:30 am-6:45 pm

1 stop11h 15m

$517
Quickest round-trip

BoiseAnchorage

BOI - ANC

BOIANC

Boise Air Term. Gowen Fld

Sat 10/31

6:43 am-11:21 am

1 stop6h 38m

Anchorage

Tue 11/3

11:10 am-8:02 pm

1 stop6h 52m

$517

BoiseAnchorage

BOI - ANC

BOIANC

Boise Air Term. Gowen Fld

Mon 8/17

2:55 pm-11:21 pm

1 stop10h 26m

Anchorage

Thu 9/3

5:07 am-2:22 pm

1 stop7h 15m

$517

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
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6

Best time to book a flight from Idaho to Alaska

Have a flexible travel schedule? Discover the best time to fly to Alaska from Idaho 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 to Alaska

What is the cheapest month to book a flight from Idaho to Alaska?

Currently, January is the cheapest month in which you can book a flight from Idaho to Alaska (average of $330). Flying from Idaho to Alaska in July is currently the most expensive (average of $648). 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.

What is the cheapest time of day to fly from ID to AK?

Find hourly flight availability from Idaho to Alaska. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 29, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Idaho to Alaska as you normally would.

How much does it cost to fly round-trip from Idaho to Alaska?

Airfare is below average for this route at the moment.
Idaho to Alaska flights typically cost between $487 and $585 in September.
The cheapest round-trip price found within the last 5 days was $397 on United Airlines (Sep 2-Sep 4).

How far ahead should I book a flight from Idaho to Alaska?

To ensure you get the cheapest price possible for a flight from Idaho to Alaska, you should look to book at least 44 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 July 29, 2026.
Read reviews from past customers who have flown Alaska Airlines and Delta from Idaho to Alaska. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
7.9
Good
12,726 reviews

Boarding

8.1

Crew

8.5

Overall

7.9

Food

7.0

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
Alaska Airlines
7.9
Good
12,726 reviews
Alaska Airlines
7.9
Good
12,726 reviews

Boarding

8.1

Crew

8.5

Overall

7.9

Food

7.0

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
Delta
7.8
Good
8,486 reviews
Alaska Airlines
7.9
Good
12,726 reviews

Boarding

8.1

Crew

8.5

Overall

7.9

Food

7.0

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)

Related info for your journey

Find useful and relevant information for your journey from Idaho to Alaska. 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 to Alaska?

    There are many flights that can get you from Idaho to Alaska in 8h 15m. Fly via United Airlines, Southwest, or Alaska Airlines to get the fastest option. Idaho and Alaska are separated by a distance of 1836 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Idaho to Alaska that include hotel bookings?

    Yes. In addition to deals on Idaho to Alaska flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Idaho to Alaska?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Idaho to Alaska.

  • Can I find deals for business class flights from Idaho to Alaska?

    Yes. Cheapflights offers flight deals from Idaho to Alaska 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 to Alaska?

    Currently, January is the cheapest month in which you can book a flight from Idaho to Alaska (average of $330). Flying from Idaho to Alaska in July is currently the most expensive (average of $648). 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

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Alternative routes for Idaho to Alaska

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Top 2 airlines flying from Idaho to Alaska

Discover the top 2 airlines that operate flights from Idaho 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 2,558,603 searches. Data last updated July 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$257Average$573FlexibilityNo cancel feeOn-time75%
DeltaCheapest$315Average$516FlexibilityNo cancel feeOn-timeN/A

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