$119 Cheap Flights from Redmond (RDM) to Idaho Falls (IDA)

View $119 flight on Sat, Oct 18, 2025Opens in a new window

Popular airlines from Redmond Municipal Airport (RDM) to Idaho Falls Regional Airport (IDA)

Cheap Flights from Redmond to Idaho Falls (RDM-IDA)

Prices were available within the past 7 days and start at $119 for one-way flights and $238 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Tue, Sep 16 - Tue, Sep 30
RDM
Redmond
IDA
Idaho Falls
$238 Roundtrip, found 1 day ago
$238
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Tue, Sep 16 from Redmond to Idaho Falls, returning Tue, Sep 30, priced at $238 found 1 day ago
Hawaiian Airlines
Wed, Sep 3 - Wed, Sep 24
RDM
Redmond
IDA
Idaho Falls
$238 Roundtrip, found 1 day ago
$238
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Wed, Sep 3 from Redmond to Idaho Falls, returning Wed, Sep 24, priced at $238 found 1 day ago
Delta
Wed, Sep 3 - Sat, Sep 20
RDM
Redmond
IDA
Idaho Falls
$239 Roundtrip, found 1 day ago
$239
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Sep 3 from Redmond to Idaho Falls, returning Sat, Sep 20, priced at $239 found 1 day ago
Alaska Airlines
Tue, Sep 16 - Sat, Oct 4
RDM
Redmond
IDA
Idaho Falls
$240 Roundtrip, found 4 days ago
$240
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Tue, Sep 16 from Redmond to Idaho Falls, returning Sat, Oct 4, priced at $240 found 4 days ago
Hawaiian Airlines
Tue, Sep 16 - Sat, Oct 4
RDM
Redmond
IDA
Idaho Falls
$260 Roundtrip, found 1 day ago
$260
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Tue, Sep 16 from Redmond to Idaho Falls, returning Sat, Oct 4, priced at $260 found 1 day ago
Delta
Tue, Aug 26 - Wed, Sep 3
RDM
Redmond
IDA
Idaho Falls
$266 Roundtrip, found 3 days ago
$266
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Aug 26 from Redmond to Idaho Falls, returning Wed, Sep 3, priced at $266 found 3 days ago
Alaska Airlines
Tue, Sep 16 - Tue, Sep 23
RDM
Redmond
IDA
Idaho Falls
$267 Roundtrip, found 4 days ago
$267
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Tue, Sep 16 from Redmond to Idaho Falls, returning Tue, Sep 23, priced at $267 found 4 days ago
Alaska Airlines
Sat, Sep 6 - Tue, Sep 16
RDM
Redmond
IDA
Idaho Falls
$268 Roundtrip, found 1 day ago
$268
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sat, Sep 6 from Redmond to Idaho Falls, returning Tue, Sep 16, priced at $268 found 1 day ago
Hawaiian Airlines
Fri, Sep 19 - Tue, Sep 30
RDM
Redmond
IDA
Idaho Falls
$270 Roundtrip, found 1 day ago
$270
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Fri, Sep 19 from Redmond to Idaho Falls, returning Tue, Sep 30, priced at $270 found 1 day ago
United
Sat, Aug 23 - Tue, Aug 26
RDM
Redmond
IDA
Idaho Falls
$301 Roundtrip, found 6 days ago
$301
Roundtrip
found 6 days ago
Select United flight, departing Sat, Aug 23 from Redmond to Idaho Falls, returning Tue, Aug 26, priced at $301 found 6 days ago

Alternative airports near Idaho Falls

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

Select flight to Idaho Falls Regional IDA. Cheapest and Closest option available. Average driving time to city center is 5 minutes. Flights from $557
IDA
Idaho Falls Regional
CheapestClosest
Average driving time to city center5 min
Flights from $557
Flights from Redmond (RDM) to Idaho Falls (IDA)
Origin airport
Robert's Field
Destination airport
Idaho Falls Regional
Airlines serving
Alaska Airlines, Delta, Hawaiian Airlines, United
Roundtrip price
$238
Distance
455 mi

Redmond to Idaho Falls Flights

The cheapest times to fly from Redmond to Idaho Falls

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 Redmond to Idaho Falls are during the month of September. You can find some of the cheapest flights from Redmond to Idaho Falls with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Redmond to Idaho Falls: 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 Redmond to Idaho Falls

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 Redmond to Idaho Falls in 2025. You can also book with separate airlines for your outbound and return journeys, from $119 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 Redmond to Idaho Falls 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 Redmond to Idaho Falls 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 Robert's Field Airport (RDM) to Idaho Falls Regional Airport (IDA) cost?
Discover the latest flight deals from RDM to IDA 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 RDM to IDA?
The cheapest flights from RDM to IDA 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 RDM to IDA?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from RDM to IDA. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Robert's Field Airport (RDM) to Idaho Falls Regional Airport (IDA)?
There aren't any daily nonstop flights available from Robert's Field Airport (RDM) to Idaho Falls Regional Airport (IDA). But you can opt for flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be soaring above the clouds in no time at all.
What day of the week has the most flights from RDM to IDA?
Generally you'll find the widest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* However, this can vary depending on the time of year, 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 Robert's Field Airport (RDM) to Idaho Falls Regional Airport (IDA)?
Select a flight from Robert's Field Airport (RDM) to Idaho Falls Regional Airport (IDA) that takes off before 3 PM to reduce the risk of delays and cancellations. Departures after this hour have a 22% higher chance of being canceled, on average.**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 Robert's Field Airport (RDM) to Idaho Falls Regional Airport (IDA) last-minute?
Waiting until right before your break to book your flight from RDM to IDA often results in higher prices. While you might find some last-minute offers, there's no guarantee. Allow some flexibility in your schedule to maximize your chances of snagging a bargain.
Is it cheaper to book a RDM to IDA flight and hotel package?
You can save money by securing a RDM to IDA flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one place. After choosing your ideal flights and accommodations, you can add extras such as tours, activities and car rentals.
Can I cancel or change the date of my flight from Robert's Field Airport (RDM) to Idaho Falls Regional Airport (IDA)?
It's usually possible to reschedule or cancel your RDM to IDA flight. However, for bookings made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more information on our Customer Service portal.

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*Available to One Key members.