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$309+ Cheap flights from Idaho Falls (IDA) 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 3/26. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — ANC
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
1 adult, Economy
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Cheap 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 November 6, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$372
(Delta)

One-way from

$309
(United Airlines)

Popular in

June

Cheapest in

September

Average price

$515
Provider with most accurate pricing for Idaho Falls Fanning Field-Anchorage flight deals.
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Provider most trusted by Cheapflights users for Idaho Falls Fanning Field-Anchorage flights.
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From Idaho Falls Fanning Field to Alaska
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One-way flight from Idaho Falls Fanning Field to Alaska
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Highest demand for flights based on searches. 9% potential increase in price ($67 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Idaho Falls to Alaska

Cheapest flights from Idaho Falls to Alaska
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 November 6, 2025.

This Delta deal was found by Cheapflights users on 11/4. 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 12/136:00 amIDA - ANC
2 stops15h 04mDelta
Thu 12/185:55 amANC - IDA
2 stops14h 26mDelta
Deal found 11/4$372
This Alaska Airlines deal was found by Cheapflights users on 11/4. 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 12/56:05 amIDA - FAI
1 stop20h 34mAlaska Airlines
Sat 12/62:18 amFAI - IDA
1 stop19h 41mAlaska Airlines
Deal found 11/4$381
This Delta deal was found by Cheapflights users on 11/4. 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.
Fri 12/51:17 pmIDA - FAI
2 stops13h 01mDelta
Sat 12/61:30 amFAI - IDA
2 stops14h 56mDelta
Deal found 11/4$472
This Alaska Airlines deal was found by Cheapflights users on 11/4. 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 12/135:07 pmIDA - ANC
1 stop9h 44mAlaska Airlines
Thu 12/187:05 amANC - IDA
1 stop15h 02mAlaska Airlines
Deal found 11/4$546
This Alaska Airlines deal was found by Cheapflights users on 11/4. 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 11/193:50 pmIDA - ANC
1 stop8h 58mAlaska Airlines
Sun 11/237:05 amANC - IDA
1 stop14h 54mAlaska Airlines
Deal found 11/4$560
This Alaska Airlines deal was found by Cheapflights users on 11/4. 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.
Thu 11/206:05 amIDA - FAI
1 stop11h 05mAlaska Airlines
Mon 11/245:35 amFAI - IDA
1 stop7h 02mAlaska Airlines
Deal found 11/4$561
This Delta deal was found by Cheapflights users on 11/3. 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.
Wed 11/196:00 amIDA - ANC
2 stops14h 46mDelta
Sat 11/2212:30 amANC - IDA
2 stops15h 47mDelta
Deal found 11/3$623
This Delta deal was found by Cheapflights users on 11/5. 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.
Fri 11/141:15 pmIDA - ANC
2 stops11h 34mDelta
Sun 11/2312:30 amANC - IDA
2 stops15h 47mDelta
Deal found 11/5$663

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 2,558,603 searches. Data last updated November 6, 2025.
Use the filters below to find and compare flights from Idaho Falls to Alaska that are best for you.

Fly from

Idaho Falls

Fly to

Alaska

Route

Depart

Return

Price

Idaho FallsAnchorage

IDA - ANC

IDAANC

Idaho Falls Fanning Field

Sat 12/13

6:00 am-7:04 pm

2 stops15h 04m

Anchorage

Thu 12/18

5:55 am-10:21 pm

2 stops14h 26m

$372

Idaho FallsFairbanks

IDA - FAI

IDAFAI

Idaho Falls Fanning Field

Fri 12/5

6:05 am-12:39 am

1 stop20h 34m

Fairbanks

Sun 12/7

5:55 am-11:59 pm

1 stop16h 04m

$381

Idaho FallsJuneau

IDA - JNU

IDAJNU

Idaho Falls Fanning Field

Mon 3/9

8:00 am-6:37 am

3 stops24h 37m

Juneau Intl

Wed 3/11

7:10 am-10:38 pm

2 stops13h 28m

$520

Idaho FallsAnchorage

IDA - ANC

IDAANC

Idaho Falls Fanning Field

Wed 11/19

6:05 am-11:10 am

1 stop7h 05m

Anchorage

Sat 11/22

1:12 am-11:59 pm

1 stop20h 47m

$560

Idaho FallsFairbanks

IDA - FAI

IDAFAI

Idaho Falls Fanning Field

Thu 11/20

6:05 am-3:10 pm

1 stop11h 05m

Fairbanks

Mon 11/24

5:35 am-2:37 pm

1 stop7h 02m

$561

Idaho FallsAnchorage

IDA - ANC

IDAANC

Idaho Falls Fanning Field

Wed 11/19

6:00 am-6:46 pm

2 stops14h 46m

Anchorage

Sun 11/23

6:05 am-10:19 pm

2 stops14h 14m

$572

Idaho FallsAnchorage

IDA - ANC

IDAANC

Idaho Falls Fanning Field

Mon 4/20

4:00 pm-10:29 pm

1 stop8h 29m

Anchorage

Tue 4/21

12:45 am-3:20 pm

1 stop12h 35m

$592

Idaho FallsAnchorage

IDA - ANC

IDAANC

Idaho Falls Fanning Field

Sat 12/13

5:07 pm-5:26 pm

2 stops26h 19m

Anchorage

Thu 12/18

7:05 am-12:07 am

1 stop15h 02m

$593

Idaho FallsFairbanks

IDA - FAI

IDAFAI

Idaho Falls Fanning Field

Thu 4/30

6:15 am-10:41 pm

1 stop18h 26m

Fairbanks

Sun 5/3

1:40 am-3:20 pm

1 stop11h 40m

$645

Idaho FallsAnchorage

IDA - ANC

IDAANC

Idaho Falls Fanning Field

Thu 3/26

4:19 pm-10:36 pm

1 stop8h 17m

$309

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/4

Showing 1-10 of 12 results
1
2

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.
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

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

Currently, September is the cheapest month in which you can book a flight from Idaho Falls to Alaska (average of $281). Flying from Idaho Falls to Alaska in February is currently the most expensive (average of $585). 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.

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

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 November 6, 2025.
Read reviews from past customers who have flown Alaska Airlines and Delta from Idaho Falls to Alaska. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,246 reviews

Food

7.1

Crew

8.5

Comfort

7.8

Entertainment

7.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Alaska Airlines
8.0
Very good
11,246 reviews
Alaska Airlines
8.0
Very good
11,246 reviews

Food

7.1

Crew

8.5

Comfort

7.8

Entertainment

7.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Delta
7.9
Good
8,001 reviews
Alaska Airlines
8.0
Very good
11,246 reviews

Food

7.1

Crew

8.5

Comfort

7.8

Entertainment

7.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.

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.

  • What airport do you fly from for flights from Idaho Falls to Alaska?

    Most people fly from Idaho Falls Fanning Field (IDA) if they book a flight from Idaho Falls to Alaska. Idaho Falls Fanning Field is conveniently located just 3.8 mi from Idaho Falls’s city center.

  • How long is the flight from Idaho Falls to Alaska?

    For as low as $372, Delta can have you in Alaska from Idaho Falls in 15h 04m. Airlines will cover a distance of 1966 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Idaho Falls to Alaska one-way?

    The cheapest airlines for a one-way flight from Idaho Falls to Alaska are United Airlines ($309), Delta ($314), and Alaska Airlines ($766).

  • What are the most popular routes from Idaho Falls to Alaska?

    When deciding which route to take from Idaho Falls to Alaska consider Idaho Falls Fanning Field - Anchorage, Idaho Falls Fanning Field - Fairbanks or Idaho Falls Fanning Field - Juneau Intl as they are the most popular.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Idaho Falls to Alaska (average of $281). Flying from Idaho Falls to Alaska in February is currently the most expensive (average of $585). 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 Falls to Alaska

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Idaho Falls to Alaska

Discover the top 2 airlines 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 2,558,603 searches. Data last updated November 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$469Average$707FlexibilityNo cancel feeOn-time75%
DeltaCheapest$497Average$574FlexibilityNo cancel feeOn-timeN/A

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