$315 Cheap Flights from Idaho Falls (IDA) to Rochester (RST)

View $315 flight on Fri, Sep 19, 2025Opens in a new window

Popular airlines from Idaho Falls Regional Airport (IDA) to Rochester, MN (RST-Rochester Intl.)

Cheap Flights from Idaho Falls to Rochester (IDA-RST)

Prices were available within the past 7 days and start at $315 for one-way flights and $424 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, Nov 26 - Tue, Dec 9
IDA
Idaho Falls
RST
Rochester
$424 Roundtrip, found 6 days ago
$424
Roundtrip
found 6 days ago
Select Delta flight, departing Wed, Nov 26 from Idaho Falls to Rochester, returning Tue, Dec 9, priced at $424 found 6 days ago
Delta
Mon, Nov 24 - Tue, Dec 9
IDA
Idaho Falls
RST
Rochester
$434 Roundtrip, found 6 days ago
$434
Roundtrip
found 6 days ago
Select Delta flight, departing Mon, Nov 24 from Idaho Falls to Rochester, returning Tue, Dec 9, priced at $434 found 6 days ago
Delta
Sat, Nov 22 - Tue, Dec 9
IDA
Idaho Falls
RST
Rochester
$474 Roundtrip, found 6 days ago
$474
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, Nov 22 from Idaho Falls to Rochester, returning Tue, Dec 9, priced at $474 found 6 days ago
Delta
Mon, Nov 24 - Fri, Dec 12
IDA
Idaho Falls
RST
Rochester
$544 Roundtrip, found 6 days ago
$544
Roundtrip
found 6 days ago
Select Delta flight, departing Mon, Nov 24 from Idaho Falls to Rochester, returning Fri, Dec 12, priced at $544 found 6 days ago
American Airlines
Fri, Sep 19 - Sun, Sep 21
IDA
Idaho Falls
RST
Rochester
$560 Roundtrip, found 1 day ago
$560
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Sep 19 from Idaho Falls to Rochester, returning Sun, Sep 21, priced at $560 found 1 day ago
Delta
Wed, Nov 26 - Sun, Dec 7
IDA
Idaho Falls
RST
Rochester
$565 Roundtrip, found 6 days ago
$565
Roundtrip
found 6 days ago
Select Delta flight, departing Wed, Nov 26 from Idaho Falls to Rochester, returning Sun, Dec 7, priced at $565 found 6 days ago
Delta
Wed, Nov 26 - Sat, Dec 6
IDA
Idaho Falls
RST
Rochester
$569 Roundtrip, found 6 days ago
$569
Roundtrip
found 6 days ago
Select Delta flight, departing Wed, Nov 26 from Idaho Falls to Rochester, returning Sat, Dec 6, priced at $569 found 6 days ago
American Airlines
Sun, Nov 23 - Tue, Dec 9
IDA
Idaho Falls
RST
Rochester
$575 Roundtrip, found 6 days ago
$575
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sun, Nov 23 from Idaho Falls to Rochester, returning Tue, Dec 9, priced at $575 found 6 days ago
Delta
Mon, Nov 24 - Sun, Dec 7
IDA
Idaho Falls
RST
Rochester
$575 Roundtrip, found 6 days ago
$575
Roundtrip
found 6 days ago
Select Delta flight, departing Mon, Nov 24 from Idaho Falls to Rochester, returning Sun, Dec 7, priced at $575 found 6 days ago
Delta
Wed, Nov 26 - Wed, Dec 10
IDA
Idaho Falls
RST
Rochester
$577 Roundtrip, found 6 days ago
$577
Roundtrip
found 6 days ago
Select Delta flight, departing Wed, Nov 26 from Idaho Falls to Rochester, returning Wed, Dec 10, priced at $577 found 6 days ago
Flights from Idaho Falls (IDA) to Rochester (RST)
Origin airport
Idaho Falls Regional
Destination airport
Rochester Intl.
Airlines serving
American Airlines, Delta
Roundtrip price
$424
Distance
975 mi

Idaho Falls to Rochester Flights

The cheapest times to fly from Idaho Falls to Rochester

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

 

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

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

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 Rochester in 2025. You can also book with separate airlines for your outbound and return journeys, from $315 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 Rochester 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 Rochester 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 Rochester Intl. Airport (RST) cost?
Grab a cheap one-way flight from $315 or cheap return flight from $424 from Idaho Falls Regional Airport (IDA) to Rochester Intl. Airport (RST) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Idaho Falls Regional Airport (IDA) to Rochester Intl. Airport (RST)?
The cheapest month to fly from IDA to RST is November, when there's less demand. Off-peak months are usually when airlines offer better prices between these airports.
What is the cheapest airline that flies from Idaho Falls Regional Airport (IDA) to Rochester Intl. Airport (RST)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest IDA to RST flight.
How many flights per day from Idaho Falls Regional Airport (IDA) to Rochester Intl. Airport (RST)?
You'll have to hop on a flight with a layover when traveling from Idaho Falls Regional Airport (IDA) to Rochester Intl. Airport (RST). Direct flights don't operate daily on this route. However, simply filter your search to include one or two stops to discover the best option for your trip.
What day of the week has the most flights from IDA to RST?
Generally you'll have the most choice when it comes to flights on a Friday. Tuesdays are often the quietest.* But this can change depending on the airline, time of year 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 Rochester Intl. Airport (RST)?
Opt for a flight from Idaho Falls Regional Airport (IDA) to Rochester Intl. Airport (RST) that leaves before 3 PM to reduce the risk of cancellations. Departures after this hour are on average 22% more likely to be canceled.**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 Rochester Intl. Airport (RST) last-minute?
Last-minute fares from IDA to RST are typically more expensive. For the best rates, start looking for flights ahead of time. That said, if you can play around with your travel dates, it's possible to find a cheap ticket just before your departure.
Is it cheaper to book an IDA to RST flight and hotel package?
You can save money by booking an IDA to RST 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 it all in one place. Once you've selected your preferred flights and accommodations, consider adding extras including activities, car rentals and tours.
Can I cancel or change the date of my flight from Idaho Falls Regional Airport (IDA) to Rochester Intl. Airport (RST)?
If you reserved your IDA to RST flight within the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of fare you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more details.

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*Available to One Key members.