What is the cheapest airline that flies from Idaho to Alaska?

Delta, Alaska Airlines, and United Airlines are the most popular carriers operating from Idaho to Alaska

What airlines fly to Alaska?

Alaska Airlines, Delta and Hawaiian Airlines are the top three most popular airlines that fly to Alaska from Idaho according to our data. Alaska Airlines is the first choice among our users, with 63% of people opting to fly with this airline when traveling to Alaska. Keep in mind that there are 3 different airlines that fly to Alaska on a routine basis, so you have a few additional options to choose from.

How long is the flight from Idaho to Alaska?

The flight from Idaho to Alaska depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Lewiston (a popular airport in Idaho) to Anchorage (the most popular airport in Alaska), then the flight time is 6h 07m on average. If you fly from Boise (another popular airport in Idaho) to Anchorage, then the average flight time is 7h 08m.

When did momondo last update prices for flights from Idaho to Alaska?

Prices for flights from Idaho to Alaska refresh daily.

How many operators does momondo search for flights from Idaho to Alaska?

The number of operators available for flights from Idaho to Alaska is 3 as of November 2025.

How old do you have to be to fly from Idaho to Alaska?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Idaho to Alaska.

What documentation or ID do you need to fly to Alaska?

The required travel and health documents for your Alaska trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Alaska. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$180 Cheap Flights from Idaho to Alaska in 2025/26

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Find the cheapest flights from Idaho to Alaska

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

10:39 am - 12:22 amBOI-FAI

15h 43m1 stop

1:30 am - 1:00 pmFAI-BOI

9h 30m1 stop

$286Delta

Find Deal

Thu, Jan 29 - Sun, Feb 1

4:45 pm - 1:53 amBOI-ANC

11h 08m1 stop

1:10 pm - 10:16 pmANC-BOI

7h 06m1 stop

$286Delta

Find Deal

Wed, Dec 10 - Tue, Dec 16

11:20 am - 12:22 amBOI-FAI

15h 02m2 stops

1:30 am - 4:17 pmFAI-BOI

12h 47m1 stop

$300Delta

Find Deal

Thu, Jan 29 - Sun, Feb 1

5:55 pm - 10:52 pmBOI-ANC

6h 57m1 stop

1:10 am - 10:52 amANC-BOI

7h 42m1 stop

$303Alaska Airlines

Find Deal

Sun, Jan 18 - Fri, Jan 23

11:25 am - 8:44 pmGEG-ANC

10h 19m1 stop

1:30 pm - 8:58 pmANC-GEG

6h 28m1 stop

$303Delta

Find Deal

Thu, Jan 15 - Sun, Jan 18

6:23 am - 12:56 pmBOI-FAI

8h 33m1 stop

8:55 pm - 12:51 pmFAI-BOI

13h 56m2 stops

$319Alaska Airlines

Find Deal

Sat, Jan 10 - Sat, Jan 10

1:38 pm - 11:56 pmGEG-FAI

11h 18m1 stop

4:06 pm - 12:23 amFAI-GEG

7h 17m1 stop

$333Hawaiian Airlines

Find Deal

Thu, Jan 15 - Sun, Jan 18

7:49 pm - 2:48 amGEG-FAI

7h 59m1 stop

8:00 am - 5:06 pmFAI-GEG

8h 06m1 stop

$354Hawaiian Airlines

Find Deal

Thu, Jan 15 - Sun, Jan 18

4:05 pm - 12:25 amIDA-ANC

10h 20m1 stop

11:59 pm - 9:58 amANC-IDA

7h 59m1 stop

$440United Airlines

Find Deal

Wed, Dec 24 - Tue, Dec 30

2:30 pm - 10:56 pmIDA-ANC

10h 26m1 stop

1:30 am - 1:30 pmANC-IDA

10h 00m1 stop

$480United Airlines

Find Deal

Wed, Dec 24 - Mon, Dec 29

Alaska Airlines flights from Idaho to Alaska

Our best Alaska Airlines deals on Idaho to Alaska flight tickets

Alaska Airlines

Jan 18

BOI5:55 pmBoise Air Term. Gowen Fld

6h 57m

1 stop

ANC10:52 pmAnchorage

Jan 23

ANC1:10 amAnchorage

7h 42m

1 stop

BOI10:52 amBoise Air Term. Gowen Fld

$303

Find similar

Alaska Airlines

Jan 10

BOI6:23 amBoise Air Term. Gowen Fld

8h 33m

1 stop

FAI12:56 pmFairbanks

Jan 10

FAI8:55 pmFairbanks

13h 56m

2 stops

BOI12:51 pmBoise Air Term. Gowen Fld

$319

Find similar

Alaska Airlines

Jan 10

BOI1:55 pmBoise Air Term. Gowen Fld

25h 01m

1 stop

FAI12:56 pmFairbanks

Jan 12

FAI2:10 amFairbanks

18h 51m

1 stop

BOI11:01 pmBoise Air Term. Gowen Fld

$321

Find similar

United Airlines flights from Idaho to Alaska

Our best United Airlines deals on Idaho to Alaska flight tickets

United Airlines

Dec 24

IDA4:05 pmIdaho Falls Fanning Field

10h 20m

1 stop

ANC12:25 amAnchorage

Dec 30

ANC11:59 pmAnchorage

7h 59m

1 stop

IDA9:58 amIdaho Falls Fanning Field

$440

Find similar

United Airlines

Dec 5

IDA2:45 pmIdaho Falls Fanning Field

10h 11m

1 stop

ANC10:56 pmAnchorage

Dec 9

ANC11:59 pmAnchorage

7h 48m

1 stop

IDA9:47 amIdaho Falls Fanning Field

$470

Find similar

United Airlines

Dec 24

IDA2:30 pmIdaho Falls Fanning Field

10h 26m

1 stop

ANC10:56 pmAnchorage

Dec 29

ANC1:30 amAnchorage

10h 00m

1 stop

IDA1:30 pmIdaho Falls Fanning Field

$480

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BoiseFairbanks

BOI - FAI

BOIFAI

Boise Air Term. Gowen Fld

Thu 1/29

10:39 am-12:22 am

1 stop15h 43m

Fairbanks

Sun 2/1

1:30 am-1:00 pm

1 stop9h 30m

$286

BoiseAnchorage

BOI - ANC

BOIANC

Boise Air Term. Gowen Fld

Wed 12/10

4:45 pm-1:53 am

1 stop11h 08m

Anchorage

Tue 12/16

1:10 pm-10:16 pm

1 stop7h 06m

$286

BoiseFairbanks

BOI - FAI

BOIFAI

Boise Air Term. Gowen Fld

Thu 1/29

11:20 am-12:22 am

2 stops15h 02m

Fairbanks

Sun 2/1

1:30 am-4:17 pm

1 stop12h 47m

$300

BoiseAnchorage

BOI - ANC

BOIANC

Boise Air Term. Gowen Fld

Sun 1/18

5:55 pm-10:52 pm

1 stop6h 57m

Anchorage

Fri 1/23

1:10 am-10:52 am

1 stop7h 42m

$303

SpokaneAnchorage

GEG - ANC

GEGANC

Spokane

Thu 1/15

11:25 am-8:44 pm

1 stop10h 19m

Anchorage

Sun 1/18

1:30 pm-8:58 pm

1 stop6h 28m

$303

BoiseFairbanks

BOI - FAI

BOIFAI

Boise Air Term. Gowen Fld

Sat 1/10

6:23 am-12:56 pm

1 stop8h 33m

Fairbanks

Sat 1/10

8:55 pm-12:51 pm

2 stops13h 56m

$319

SpokaneFairbanks

GEG - FAI

GEGFAI

Spokane

Thu 1/15

1:38 pm-11:56 pm

1 stop11h 18m

Fairbanks

Sun 1/18

4:06 pm-12:23 am

1 stop7h 17m

$333

SpokaneFairbanks

GEG - FAI

GEGFAI

Spokane

Thu 1/15

7:49 pm-2:48 am

1 stop7h 59m

Fairbanks

Sun 1/18

8:00 am-5:06 pm

1 stop8h 06m

$354

Idaho FallsAnchorage

IDA - ANC

IDAANC

Idaho Falls Fanning Field

Wed 12/24

4:05 pm-12:25 am

1 stop10h 20m

Anchorage

Tue 12/30

11:59 pm-9:58 am

1 stop7h 59m

$440

Idaho FallsAnchorage

IDA - ANC

IDAANC

Idaho Falls Fanning Field

Wed 12/24

2:30 pm-10:56 pm

1 stop10h 26m

Anchorage

Mon 12/29

1:30 am-1:30 pm

1 stop10h 00m

$480

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Idaho to Alaska

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Alaska?

If you don’t want to visit Alaska in January, then you should wait until October to fly from Idaho, when ticket prices are also cheap, with an average price of $409.

What is the cheapest day to depart on your flight to Alaska?

The cheapest day to depart from Idaho to Alaska is on a Thursday. Travelers who choose to depart for Alaska on a Thursday will often find tickets for as low as $488. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Idaho to Alaska for around $602.

What is the cheapest time of day to depart on your flight to Alaska?

Our data shows that the cheapest Idaho to Alaska flights are usually those with departure times in the evening. Our users have found flights to Alaska in the evening for as low as $504. At noon is when there is more demand to fly to Alaska, so prices are often more expensive at around $568 per ticket.

How far in advance should I book a flight to Alaska?

You are more likely to see cheaper flights to Alaska from Idaho when booking weeks ahead of your departure date. In general, you can expect to find flights to Alaska for around $604 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Alaska from Idaho for as low as $382 on momondo.

Can stopping save me money on Idaho to Alaska flights?

You could potentially save up to 50% on your flight if you consider stops on a Idaho to Alaska flight.

Cheap Idaho to Alaska flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Idaho to Alaska

Direct flights	None

There are no direct flights from Idaho to Alaska. There are no popular flight routes from Idaho to Alaska.

Search flight deals

When did momondo last update prices for flights from Idaho to Alaska?
Prices for flights from Idaho to Alaska refresh daily.
How many operators does momondo search for flights from Idaho to Alaska?
The number of operators available for flights from Idaho to Alaska is 3 as of November 2025.
How old do you have to be to fly from Idaho to Alaska?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Idaho to Alaska.
What documentation or ID do you need to fly to Alaska?
The required travel and health documents for your Alaska trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Alaska. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Idaho to Alaska

Compare and see reviews for airlines that fly from Idaho to Alaska with momondo

Airline	Rating	Free Cancellation	Price
Alaska Airlines	PriceFrom $224	Free Cancellation	Rating 8.0 11,329 reviews	Search Alaska Airlines flights
Delta	PriceFrom $379	Free Cancellation	Rating 7.9 8,002 reviews	Search Delta flights
Hawaiian Airlines	PriceFrom $508	Free Cancellation	Rating 7.8 2,813 reviews	Search Hawaiian Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Idaho to Alaska?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Idaho to Alaska. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Idaho to Alaska with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Alaska from Idaho with this policy.

How can momondo help me find flights from Idaho to Alaska?

momondo provides multiple filters to help you find the best flight to Alaska from Idaho. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Idaho to Alaska right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Idaho to Alaska flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.