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$250+ 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 2/21. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — ANC
feb. 28 — mar. 71
sáb. 2/28
sáb. 3/7
1 adult, Economy
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Cheap 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 enero 29, 2026.

This Alaska Airlines deal was found by Cheapflights users on 1/28. 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.
mié. 5/204:08 pm
IDA
-
ANC
1 stop20h 12m
Alaska Airlines
dom. 5/247:22 pm
ANC
-
IDA
1 stop18h 09m
Alaska Airlines
Deal found 1/28$396
This Alaska Airlines deal was found by Cheapflights users on 1/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 2/258:00 am
IDA
-
JNU
2 stops15h 34m
Alaska Airlines
sáb. 2/289:50 am
JNU
-
IDA
3 stops35h 46m
Alaska Airlines
Deal found 1/26$400
This Alaska Airlines deal was found by Cheapflights users on 1/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 3/275:59 pm
IDA
-
FAI
2 stops18h 14m
Alaska Airlines
lun. 3/305:30 am
FAI
-
IDA
1 stop15h 22m
Alaska Airlines
Deal found 1/27$444
This Alaska Airlines deal was found by Cheapflights users on 1/28. 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.
sáb. 2/145:20 pm
IDA
-
ANC
1 stop29h 28m
Alaska Airlines
mié. 2/186:00 am
ANC
-
IDA
1 stop15h 36m
Alaska Airlines
Deal found 1/28$492
This Alaska Airlines deal was found by Cheapflights users on 1/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 2/228:00 am
IDA
-
FAI
2 stops42h 33m
Alaska Airlines
sáb. 2/288:50 am
FAI
-
IDA
2 stops36h 46m
Alaska Airlines
Deal found 1/27$496
This Alaska Airlines deal was found by Cheapflights users on 1/28. 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.
jue. 2/268:00 am
IDA
-
ANC
1 stop8h 18m
Alaska Airlines
jue. 3/57:15 am
ANC
-
IDA
2 stops14h 21m
Alaska Airlines
Deal found 1/28$548
This Alaska Airlines deal was found by Cheapflights users on 1/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 2/116:58 pm
IDA
-
ANC
1 stop6h 54m
Alaska Airlines
dom. 2/156:09 pm
ANC
-
IDA
1 stop27h 27m
Alaska Airlines
Deal found 1/27$561
This Delta deal was found by Cheapflights users on 1/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/125:25 am
IDA
-
ANC
2 stops17h 19m
Delta
dom. 2/151:20 am
ANC
-
IDA
2 stops14h 29m
Delta
Deal found 1/28$573
This Delta deal was found by Cheapflights users on 1/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 6/173:04 pm
IDA
-
ANC
1 stop10h 30m
Delta
mié. 7/18:00 am
ANC
-
IDA
2 stops12h 14m
Delta
Deal found 1/27$600
This Alaska Airlines deal was found by Cheapflights users on 1/28. 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.
vie. 6/196:00 am
IDA
-
JNU
2 stops17h 29m
Alaska Airlines
dom. 6/217:16 am
JNU
-
IDA
2 stops38h 43m
Alaska Airlines
Deal found 1/28$670

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 enero 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$396
(Alaska Airlines)

One-way from

$250
(United Airlines)

Popular in

May

Cheapest in

September

Average price

$360
Provider with most accurate pricing for Idaho Falls Fanning Field-Anchorage flight deals.
Search Deals
Provider most trusted by Cheapflights users for Idaho Falls Fanning Field-Anchorage flights.
Search Deals
From Idaho Falls Fanning Field to Alaska
Search Deals
One-way flight from Idaho Falls Fanning Field to Alaska
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($168 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 enero 29, 2026.
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

mié. 5/20

4:08 pm-10:20 am

1 stop20h 12m

Anchorage

dom. 5/24

12:20 pm-10:45 pm

1 stop8h 25m

$396

Idaho FallsJuneau

IDA - JNU

IDAJNU

Idaho Falls Fanning Field

mié. 2/25

8:00 am-9:34 pm

2 stops15h 34m

Juneau Intl

sáb. 2/28

9:50 am-11:36 pm

3 stops35h 46m

$400

Idaho FallsFairbanks

IDA - FAI

IDAFAI

Idaho Falls Fanning Field

vie. 3/27

5:59 pm-10:13 am

2 stops18h 14m

Fairbanks

lun. 3/30

5:30 am-10:52 pm

1 stop15h 22m

$444

Idaho FallsAnchorage

IDA - ANC

IDAANC

Idaho Falls Fanning Field

sáb. 2/14

5:20 pm-8:48 pm

1 stop29h 28m

Anchorage

mié. 2/18

5:00 pm-11:36 pm

1 stop28h 36m

$492

Idaho FallsFairbanks

IDA - FAI

IDAFAI

Idaho Falls Fanning Field

dom. 2/22

8:00 am-12:33 am

2 stops42h 33m

Fairbanks

sáb. 2/28

8:50 am-11:36 pm

2 stops36h 46m

$496

Idaho FallsAnchorage

IDA - ANC

IDAANC

Idaho Falls Fanning Field

sáb. 2/21

10:45 am-7:46 pm

1 stop11h 01m

$250

Idaho FallsAnchorage

IDA - ANC

IDAANC

Idaho Falls Fanning Field

sáb. 2/21

8:00 am-12:30 am

2 stops18h 30m

$276

Idaho FallsAnchorage

IDA - ANC

IDAANC

Idaho Falls Fanning Field

vie. 2/13

2:40 pm-11:08 pm

1 stop10h 28m

$281

Idaho FallsAnchorage

IDA - ANC

IDAANC

Idaho Falls Fanning Field

mié. 2/11

9:00 am-10:52 pm

1 stop15h 52m

$281

Idaho FallsAnchorage

IDA - ANC

IDAANC

Idaho Falls Fanning Field

vie. 2/13

5:25 am-8:44 pm

2 stops17h 19m

$292

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 14 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 April is currently the most expensive (average of $910). 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.

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 enero 29, 2026.
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
11,807 reviews

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Alaska Airlines
8.0
Very good
11,807 reviews
Alaska Airlines
8.0
Very good
11,807 reviews

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Delta
7.9
Good
8,127 reviews
Alaska Airlines
8.0
Very good
11,807 reviews

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

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 $396, Alaska Airlines can have you in Alaska from Idaho Falls in 20h 12m. Airlines will cover a distance of 1966 mi.

  • 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 April is currently the most expensive (average of $910). 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 enero 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$281Average$574FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$474Average$712FlexibilityNo cancel feeOn-time75%

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