$173 Cheap Flights from Idaho Falls (IDA) to Yakima (YKM)

View $173 flight on Tue, Nov 18, 2025Opens in a new window

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

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

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

Prices were available within the past 7 days and start at $173 for one-way flights and $290 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Wed, Feb 25 - Sat, Feb 28
IDA
Idaho Falls
YKM
Yakima
$290 Roundtrip, found 6 days ago
$290
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Wed, Feb 25 from Idaho Falls to Yakima, returning Sat, Feb 28, priced at $290 found 6 days ago
Alaska Airlines
Wed, Feb 25 - Sat, Feb 28
IDA
Idaho Falls
YKM
Yakima
$296 Roundtrip, found 6 days ago
$296
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Wed, Feb 25 from Idaho Falls to Yakima, returning Sat, Feb 28, priced at $296 found 6 days ago
Alaska Airlines
Wed, Feb 25 - Sat, Feb 28
IDA
Idaho Falls
YKM
Yakima
$306 Roundtrip, found 6 days ago
$306
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Wed, Feb 25 from Idaho Falls to Yakima, returning Sat, Feb 28, priced at $306 found 6 days ago
Alaska Airlines
Wed, Feb 25 - Sat, Feb 28
IDA
Idaho Falls
YKM
Yakima
$312 Roundtrip, found 18 hours ago
$312
Roundtrip
found 18 hours ago
Select Alaska Airlines flight, departing Wed, Feb 25 from Idaho Falls to Yakima, returning Sat, Feb 28, priced at $312 found 18 hours ago
Alaska Airlines
Wed, Feb 25 - Sat, Feb 28
IDA
Idaho Falls
YKM
Yakima
$347 Roundtrip, found 6 days ago
$347
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Wed, Feb 25 from Idaho Falls to Yakima, returning Sat, Feb 28, priced at $347 found 6 days ago
Alaska Airlines
Wed, Feb 25 - Sat, Feb 28
IDA
Idaho Falls
YKM
Yakima
$353 Roundtrip, found 18 hours ago
$353
Roundtrip
found 18 hours ago
Select Alaska Airlines flight, departing Wed, Feb 25 from Idaho Falls to Yakima, returning Sat, Feb 28, priced at $353 found 18 hours ago
Alaska Airlines
Wed, Feb 25 - Sat, Feb 28
IDA
Idaho Falls
YKM
Yakima
$370 Roundtrip, found 6 days ago
$370
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Wed, Feb 25 from Idaho Falls to Yakima, returning Sat, Feb 28, priced at $370 found 6 days ago
Alaska Airlines
Wed, Feb 25 - Sat, Feb 28
IDA
Idaho Falls
YKM
Yakima
$412 Roundtrip, found 6 days ago
$412
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Wed, Feb 25 from Idaho Falls to Yakima, returning Sat, Feb 28, priced at $412 found 6 days ago
Alaska Airlines
Mon, Nov 17 - Fri, Nov 21
IDA
Idaho Falls
YKM
Yakima
$429 Roundtrip, found 5 days ago
$429
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Mon, Nov 17 from Idaho Falls to Yakima, returning Fri, Nov 21, priced at $429 found 5 days ago
Alaska Airlines
Wed, Feb 25 - Sat, Feb 28
IDA
Idaho Falls
YKM
Yakima
$456 Roundtrip, found 18 hours ago
$456
Roundtrip
found 18 hours ago
Select Alaska Airlines flight, departing Wed, Feb 25 from Idaho Falls to Yakima, returning Sat, Feb 28, priced at $456 found 18 hours ago

Frequently asked questions

How much does a flight from Idaho Falls Regional Airport (IDA) to Yakima Air Terminal - McAllister Field Airport (YKM) cost?
Get a cheap one-way flight from $173 or cheap return flight from $290 from Idaho Falls Regional Airport (IDA) to Yakima Air Terminal - McAllister Field Airport (YKM) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Idaho Falls Regional Airport (IDA) to Yakima Air Terminal - McAllister Field Airport (YKM)?
February is the cheapest month to fly from IDA to YKM. Traveling outside of peak seasons is often the key to scoring lower fares.
What is the cheapest airline that flies from Idaho Falls Regional Airport (IDA) to Yakima Air Terminal - McAllister Field Airport (YKM)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll take you from IDA to YKM. Then, sort your results by "Price (lowest to highest)" to score a good 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.

Travel information

Origin airport
Idaho Falls Regional
Destination airport
Yakima Air Terminal - McAllister Field
Roundtrip price
$290
Distance
463 mi

Book with confidence

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 February. 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 $173 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.

 

Idaho Falls to Yakima Flights

Explore a world of travel with Expedia

*Available to One Key members.