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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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — ANC
Jul 29 — Aug 51
Wed 7/29
Wed 8/5
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 June 29, 2026.

This Southwest deal was found by Cheapflights users on 6/29. 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 8/182:20 pm
BOI
-
ANC
1 stop10h 25m
Southwest
Fri 8/2810:25 pm
ANC
-
BOI
1 stop15h 05m
Southwest
Deal found 6/29$397
This Southwest deal was found by Cheapflights users on 6/29. 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 8/1812:35 pm
GEG
-
ANC
1 stop11h 10m
Southwest
Fri 8/2810:25 pm
ANC
-
GEG
1 stop15h 10m
Southwest
Deal found 6/29$397
This Southwest deal was found by Cheapflights users on 6/29. 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 8/1811:40 am
BOI
-
ANC
2 stops13h 05m
Southwest
Tue 8/2510:25 pm
ANC
-
BOI
1 stop10h 30m
Southwest
Deal found 6/29$402
This Southwest deal was found by Cheapflights users on 6/27. 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.
Tue 8/1812:35 pm
GEG
-
ANC
1 stop11h 10m
Southwest
Wed 8/2611:55 pm
ANC
-
GEG
2 stops14h 05m
Southwest
Deal found 6/27$408
This United Airlines deal was found by Cheapflights users on 6/27. 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.
Thu 9/178:15 am
BOI
-
ANC
1 stop7h 58m
United Airlines
Thu 9/2411:45 pm
ANC
-
BOI
1 stop7h 49m
United Airlines
Deal found 6/27$410
This Alaska Airlines deal was found by Cheapflights users on 6/28. 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.
Sat 8/81:43 pm
BOI
-
ANC
Nonstop4h 35m
Alaska Airlines
Sat 8/155:38 pm
ANC
-
BOI
Nonstop4h 18m
Alaska Airlines
Deal found 6/28$417
This Alaska Airlines deal was found by Cheapflights users on 6/29. 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 8/122:00 pm
BOI
-
FAI
1 stop23h 21m
Alaska Airlines
Sat 8/155:00 am
FAI
-
BOI
1 stop16h 56m
Alaska Airlines
Deal found 6/29$436
This Priceline deal was found by Cheapflights users on 6/28. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/52:00 pm
BOI
-
FAI
1 stop19h 19m
Alaska Airlines
Tue 8/115:31 am
FAI
-
BOI
1 stop7h 55m
Alaska Airlines
Deal found 6/28$437
This Priceline deal was found by Cheapflights users on 6/26. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/46:13 pm
BOI
-
FAI
1 stop10h 02m
Alaska Airlines
Sun 8/912:19 am
FAI
-
BOI
1 stop21h 45m
Alaska Airlines
Deal found 6/26$438
This Southwest deal was found by Cheapflights users on 6/26. 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.
Wed 8/1910:55 am
GEG
-
ANC
2 stops12h 50m
Southwest
Fri 8/2810:25 pm
ANC
-
GEG
1 stop11h 00m
Southwest
Deal found 6/26$442
This Alaska Airlines deal was found by Cheapflights users on 6/24. 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.
Tue 8/48:47 pm
BOI
-
ANC
1 stop7h 53m
Alaska Airlines
Wed 8/125:38 pm
ANC
-
BOI
Nonstop4h 18m
Alaska Airlines
Deal found 6/24$447
This Southwest deal was found by Cheapflights users on 6/25. 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.
Sat 8/83:10 pm
BOI
-
ANC
1 stop9h 35m
Southwest
Mon 8/1011:55 pm
ANC
-
BOI
2 stops11h 55m
Southwest
Deal found 6/25$452

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 June 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$397
(Southwest)

One-way from

$199
(United Airlines)

Popular in

February

Cheapest in

January

Average price

$487

Good round-trip deal

$645 or less
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. 2% potential increase in price ($12 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 June 2026
Search Deals
Price to beat on a round-trip flight from Idaho to Alaska.
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 June 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

Tue 8/18

2:20 pm-10:45 pm

1 stop10h 25m

Anchorage

Fri 8/28

10:25 pm-3:30 pm

1 stop15h 05m

$397

SpokaneAnchorage

GEG - ANC

GEGANC

Spokane

Mon 8/17

6:55 am-9:15 pm

2 stops15h 20m

Anchorage

Mon 8/24

11:55 pm-4:15 pm

2 stops15h 20m

$407

SpokaneAnchorage

GEG - ANC

GEGANC

Spokane

Tue 8/18

10:55 am-10:45 pm

2 stops12h 50m

Anchorage

Wed 8/26

11:55 pm-3:00 pm

2 stops14h 05m

$413

BoiseFairbanks

BOI - FAI

BOIFAI

Boise Air Term. Gowen Fld

Wed 8/12

2:00 pm-11:21 am

1 stop23h 21m

Fairbanks

Sat 8/15

5:00 am-11:56 pm

1 stop16h 56m

$436

BoiseFairbanks

BOI - FAI

BOIFAI

Boise Air Term. Gowen Fld

Wed 8/5

2:00 pm-7:19 am

1 stop19h 19m

Fairbanks

Tue 8/11

5:31 am-3:26 pm

1 stop7h 55m

$437

BoiseAnchorage

BOI - ANC

BOIANC

Boise Air Term. Gowen Fld

Sat 8/8

1:43 pm-4:18 pm

Nonstop4h 35m

Anchorage

Mon 8/10

7:08 pm-12:26 pm

1 stop15h 18m

$467

SpokaneAnchorage

GEG - ANC

GEGANC

Spokane

Tue 8/18

6:15 am-9:15 pm

2 stops16h 00m

Anchorage

Tue 9/8

11:55 pm-4:15 pm

2 stops15h 20m

$467

SpokaneAnchorage

GEG - ANC

GEGANC

Spokane

Tue 8/11

12:35 pm-10:45 pm

1 stop11h 10m

Anchorage

Thu 8/20

10:25 pm-1:15 pm

2 stops13h 50m

$469

BoiseAnchorage

BOI - ANC

BOIANC

Boise Air Term. Gowen Fld

Sat 8/1

6:23 am-12:41 am

1 stop20h 18m

Anchorage

Thu 8/6

11:33 pm-10:12 am

1 stop8h 39m

$477

BoiseAnchorage

BOI - ANC

BOIANC

Boise Air Term. Gowen Fld

Mon 8/3

6:13 pm-1:37 am

1 stop9h 24m

Anchorage

Wed 8/12

6:50 am-3:26 pm

1 stop6h 36m

$477

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/27

Showing 1-10 of 55 resultsSorted by cheapest first
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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, March is the cheapest month in which you can book a flight from Idaho to Alaska (average of $140). Flying from Idaho to Alaska in May is currently the most expensive (average of $387). 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 June 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?

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 42 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 June 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
12,595 reviews

Food

7.0

Comfort

7.8

Boarding

8.1

Overall

7.9

Crew

8.5

Entertainment

7.0

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
12,595 reviews
Alaska Airlines
7.9
Good
12,595 reviews

Food

7.0

Comfort

7.8

Boarding

8.1

Overall

7.9

Crew

8.5

Entertainment

7.0

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
8,451 reviews
Alaska Airlines
7.9
Good
12,595 reviews

Food

7.0

Comfort

7.8

Boarding

8.1

Overall

7.9

Crew

8.5

Entertainment

7.0

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 4h 47m. Fly via Southwest, Alaska Airlines, or Delta to get the fastest option. Idaho and Alaska are separated by a distance of 1287 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, March is the cheapest month in which you can book a flight from Idaho to Alaska (average of $140). Flying from Idaho to Alaska in May is currently the most expensive (average of $387). 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 June 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$257Average$580FlexibilityNo cancel feeOn-time75%
DeltaCheapest$315Average$542FlexibilityNo cancel feeOn-timeN/A

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