$298 Cheap Flights from Idaho Falls (IDA) to Yakima (YKM)

View $298 flight on Wed, Aug 13, 2025Opens in a new window

Popular airlines from Idaho Falls Regional Airport (IDA) to Yakima, WA (YKM-Yakima Air Terminal - McAllister Field)

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Cheap Flights from Idaho Falls to Yakima (IDA-YKM)

Prices were available within the past 7 days and start at $298 for one-way flights and $395 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Thu, May 14 - Mon, May 18
IDA
Idaho Falls
YKM
Yakima
$395 Roundtrip, found 6 days ago
$395
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Thu, May 14 from Idaho Falls to Yakima, returning Mon, May 18, priced at $395 found 6 days ago
Alaska Airlines
Thu, May 14 - Mon, May 18
IDA
Idaho Falls
YKM
Yakima
$405 Roundtrip, found 6 days ago
$405
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Thu, May 14 from Idaho Falls to Yakima, returning Mon, May 18, priced at $405 found 6 days ago
Alaska Airlines
Sun, Aug 31 - Thu, Sep 4
IDA
Idaho Falls
YKM
Yakima
$424 Roundtrip, found 5 hours ago
$424
Roundtrip
found 5 hours ago
Select Alaska Airlines flight, departing Sun, Aug 31 from Idaho Falls to Yakima, returning Thu, Sep 4, priced at $424 found 5 hours ago
Alaska Airlines
Fri, Sep 12 - Mon, Sep 15
IDA
Idaho Falls
YKM
Yakima
$425 Roundtrip, found 4 days ago
$425
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Fri, Sep 12 from Idaho Falls to Yakima, returning Mon, Sep 15, priced at $425 found 4 days ago
Alaska Airlines
Sun, Aug 31 - Thu, Sep 4
IDA
Idaho Falls
YKM
Yakima
$445 Roundtrip, found 5 hours ago
$445
Roundtrip
found 5 hours ago
Select Alaska Airlines flight, departing Sun, Aug 31 from Idaho Falls to Yakima, returning Thu, Sep 4, priced at $445 found 5 hours ago
Alaska Airlines
Thu, May 14 - Mon, May 18
IDA
Idaho Falls
YKM
Yakima
$455 Roundtrip, found 6 days ago
$455
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Thu, May 14 from Idaho Falls to Yakima, returning Mon, May 18, priced at $455 found 6 days ago
Alaska Airlines
Thu, May 14 - Mon, May 18
IDA
Idaho Falls
YKM
Yakima
$465 Roundtrip, found 6 days ago
$465
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Thu, May 14 from Idaho Falls to Yakima, returning Mon, May 18, priced at $465 found 6 days ago
Alaska Airlines
Fri, Sep 19 - Sun, Sep 21
IDA
Idaho Falls
YKM
Yakima
$485 Roundtrip, found 5 days ago
$485
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Fri, Sep 19 from Idaho Falls to Yakima, returning Sun, Sep 21, priced at $485 found 5 days ago
Alaska Airlines
Fri, Sep 19 - Sun, Sep 21
IDA
Idaho Falls
YKM
Yakima
$515 Roundtrip, found 5 days ago
$515
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Fri, Sep 19 from Idaho Falls to Yakima, returning Sun, Sep 21, priced at $515 found 5 days ago
Alaska Airlines
Fri, Aug 15 - Tue, Aug 19
IDA
Idaho Falls
YKM
Yakima
$580 Roundtrip, found 1 day ago
$580
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Fri, Aug 15 from Idaho Falls to Yakima, returning Tue, Aug 19, priced at $580 found 1 day ago

Alternative airports near Yakima

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Yakima Air Terminal - McAllister Field YKM. Cheapest and Closest option available. Average driving time to city center is 10 minutes. Flights from $580
YKM
Yakima Air Terminal - McAllister Field
CheapestClosest
Average driving time to city center10 min
Flights from $580
Flights from Idaho Falls (IDA) to Yakima (YKM)
Origin airport
Idaho Falls Regional
Destination airport
Yakima Air Terminal - McAllister Field
Airlines serving
Alaska Airlines
Roundtrip price
$395
Distance
463 mi

Idaho Falls to Yakima Flights

The cheapest times to fly from Idaho Falls to Yakima

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Idaho Falls to Yakima are during the month of May. You can find some of the cheapest flights from Idaho Falls to Yakima with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Idaho Falls to Yakima

Sunday is one of the best days to book for cheap flights from Idaho Falls to Yakima: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Idaho Falls to Yakima

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Idaho Falls to Yakima in 2025. You can also book with separate airlines for your outbound and return journeys, from $298 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Idaho Falls to Yakima flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Idaho Falls to Yakima airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Idaho Falls Regional Airport (IDA) to Yakima Air Terminal - McAllister Field Airport (YKM) cost?
Discover the latest flight deals from IDA to YKM by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from IDA to YKM?
The cheapest flights from IDA to YKM are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from IDA to YKM?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from IDA to YKM. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Idaho Falls Regional Airport (IDA) to Yakima Air Terminal - McAllister Field Airport (YKM)?
Nonstop flights from Idaho Falls Regional Airport (IDA) to Yakima Air Terminal - McAllister Field Airport (YKM) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel details and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from IDA to YKM?
Generally you'll find the most flight options available on a Friday. Tuesdays tend to be the quietest.* But this can change depending on the season, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Idaho Falls Regional Airport (IDA) to Yakima Air Terminal - McAllister Field Airport (YKM)?
To reach Yakima Air Terminal - McAllister Field Airport (YKM) on time, book a flight that leaves Idaho Falls Regional Airport (IDA) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Idaho Falls Regional Airport (IDA) to Yakima Air Terminal - McAllister Field Airport (YKM) last-minute?
Booking your plane ticket from IDA to YKM shortly before your journey is typically more expensive. But if there's some wiggle room with your departure dates and times, you could grab a cheap last-minute fare.
Is it cheaper to book an IDA to YKM flight and hotel package?
Booking an IDA to YKM flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Select from our impressive range of accommodations and then add activities, car rentals and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Idaho Falls Regional Airport (IDA) to Yakima Air Terminal - McAllister Field Airport (YKM)?
Generally, it's possible to cancel or reschedule your IDA to YKM flight. However, for bookings made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more details on our Customer Service portal.

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*Available to One Key members.