HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Idaho Falls

Find cheap Alaska Airlines flights to Idaho Falls

RDU — IDA
Aug 26 — Sep 21
Wed 8/26
Wed 9/2
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Leverage Cheapflights for Your Next Trip

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Find Alaska Airlines flight deals to Idaho Falls

Cheapest Alaska Airlines flights from USA to Idaho Falls
Explore the most affordable Alaska Airlines flight options available from USA to Idaho Falls. Find the lowest fares with prices last updated on July 27, 2026.

This Alaska Airlines deal was found by Cheapflights users on 7/23. 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 8/228:05 pm
SEA
-
IDA
Nonstop1h 51m
Alaska Airlines
Tue 8/252:01 pm
IDA
-
SEA
Nonstop2h 06m
Alaska Airlines
Deal found 7/23$277
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/181:59 pm
LAX
-
IDA
1 stop7h 40m
Alaska Airlines
Tue 8/252:01 pm
IDA
-
LAX
1 stop5h 45m
Alaska Airlines
Deal found 7/26$294
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/248:05 pm
SEA
-
IDA
Nonstop1h 51m
Alaska Airlines
Sat 8/296:18 am
IDA
-
SEA
Nonstop2h 02m
Alaska Airlines
Deal found 7/25$297

Flights to Idaho Falls with Alaska Airlines at a glance

Find detailed information about Alaska Airlines flights from USA to Idaho Falls. Explore the options provided by Alaska Airlines to plan your journey from USA to Idaho Falls. Data last updated July 27, 2026.

Popular in

March

Cheapest in

January

Average price

$330

Round-trip from

$268

One-way from

$134
Highest demand for flights to Idaho Falls with Alaska Airlines; 4% potential price increase.
Search Deals
Best time to find cheap flights to Idaho Falls with Alaska Airlines; 2% potential price drop.
Search Deals
Average price for flights to Idaho Falls with Alaska Airlines (round-trip).
Search Deals
Alaska Airlines
  • Alaska Airlines
  • 9/22-9/28
  • 2 total stops
  • 14h 00m total
  • USA to Idaho Falls
Search Deals
Alaska Airlines
  • Alaska Airlines
  • 8/25
  • 1 total stop
  • 5h 21m total
  • USA to Idaho Falls
Search Deals

Cheapflights Insights

Find cheap Alaska Airlines flights to Idaho Falls

How long is the flight to Idaho Falls with Alaska Airlines?

On average, Alaska Airlines flights from the United States to Idaho Falls take 5 hours 0 minutes. Flights to Idaho Falls from other popular cities in the United States will vary in length. Below are a few examples of popular routes and their flight times.

Alaska Airlines weekly flight availability to Idaho Falls

The most flights to Idaho Falls operated by Alaska Airlines are scheduled on a Monday (4 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (3 on average).

FAQs about flights to Idaho Falls with Alaska Airlines

  • Which airport do Alaska Airlines flights arrive at when travelling to Idaho Falls?

    Alaska Airlines flights on this route tend to land at Idaho Falls Fanning Field Airport.

  • Is Alaska Airlines the cheapest airline for a flight to Idaho Falls?

    Flight prices will depend on many factors like date, time and cabin class so it is worth comparing flights before booking. Based on Cheapflights data the cheapest average return price for flights to Idaho Falls tends to be with Allegiant Air.

  • Are there alternative airlines other than Alaska Airlines that fly to Idaho Falls?

    United Airlines, American Airlines and Delta all fly to Idaho Falls and offer an alternative to Alaska Airlines.

  • How much is a flight to Idaho Falls with Alaska Airlines?

    The average price for a return flight with Alaska Airlines is $459; with a one-way flight around $324.

See more FAQs

Reviews of Alaska Airlines

See what Cheapflights users have to say about their Alaska Airlines experience.
Alaska Airlines
7.9
Good
10,000 reviews
Overview

Food

7.0

Entertainment

7.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Popular Alaska Airlines flights

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.