Cheap Flights from Watertown (ART) to Idaho Falls (IDA)

Popular airlines from Watertown, NY (ART-Watertown Intl.) to Idaho Falls Regional Airport (IDA)

Frequently asked questions

How much does a flight from Watertown Intl. Airport (ART) to Idaho Falls Regional Airport (IDA) cost?
Secure a cheap one-way flight or cheap return flight from Watertown Intl. Airport (ART) to Idaho Falls Regional Airport (IDA) 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 Watertown Intl. Airport (ART) to Idaho Falls Regional Airport (IDA)?
Planning your getaway for is a good way to save, as it's the cheapest month for flights between ART and IDA. You'll usually find the lowest fares during off-peak months.
What is the cheapest airline that flies from Watertown Intl. Airport (ART) to Idaho Falls Regional Airport (IDA)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll take you from ART to IDA. Then, sort your results by "Price (lowest to highest)" to score a good deal.
How many flights per day from Watertown Intl. Airport (ART) to Idaho Falls Regional Airport (IDA)?
Nonstop flights from Watertown Intl. Airport (ART) to Idaho Falls Regional Airport (IDA) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your travel dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from ART to IDA?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can change based on a range of factors, such as the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Watertown Intl. Airport (ART) to Idaho Falls Regional Airport (IDA)?
To touch down at Idaho Falls Regional Airport (IDA) on schedule, select a flight that leaves from Watertown Intl. Airport (ART) before 3 PM. The likelihood 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 Watertown Intl. Airport (ART) to Idaho Falls Regional Airport (IDA) last-minute?
Last-minute fares from ART to IDA are typically more expensive. For the lowest rates, start looking for flights as early as possible. That being said, if you can play around with your travel dates, you may find a cheap ticket right before you leave.
Is it cheaper to book an ART to IDA flight and hotel package?
Compared with arranging flights and hotels separately, booking an ART to IDA flight and hotel package with Expedia could result in significant savings. Better yet, having it all in one place takes the hassle out of planning your trip. Just secure your flights and select from our wide range of hotels, then tailor your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from Watertown Intl. Airport (ART) to Idaho Falls Regional Airport (IDA)?
In most instances, you're able to cancel or reschedule your ART to IDA flight. However, additional fees may apply, especially if your booking was made more than 24 hours ago. Double-check your itinerary for the airline's fees and guidelines on flight changes, or if you want more details, visit our Customer Service portal.

Travel information

Origin airport
Watertown Intl.
Destination airport
Idaho Falls Regional
Distance
1784 mi

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Watertown to Idaho Falls Flights

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

 

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

Sunday is one of the best days to book for cheap flights from Watertown 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 Watertown 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 Watertown to Idaho Falls in 2025. You can also book with separate airlines for your outbound and return journeys, from 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 Watertown 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 Watertown 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.

 

Watertown to Idaho Falls Flights

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*Available to One Key members.