New York to IDAHO FALLS Flights

Based on HopeGoo data, United Airlines offers one-way fares as low as US$179 on Cheapest nonstop routes (e.g. EWR to IDA on Wed, Mar 25), while Delta Air Lines offers Cheapest nonstop round-trips from US$314 departing on Sat, May 2 and returning on Tue, May 5.

By analyzing data from all airlines on the HopeGoo flight calendar, it looks like the best time to book a flight from New York to Idaho Falls is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

To find best deals on flights from New York to Idaho Falls, you can use various tools on HopeGoo: · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Wed, Mar 25, with one-way flights priced at just US$179. · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is United Airlines. · Set up price alerts to easily monitor ticket prices without having to check every day. · Check HopeGoo flight deals and promo codes frequently. · Avoid peak season unless you book very early. It seems the peak season for Idaho Falls travel is around July. · Get exclusive promo codes for HopeGoo app users.

The cheapest months to fly from New York to Idaho Falls is August, when demand for travel is lower.

After crunching the numbers on our March flight calendar, it's currently cheapest to fly from New York to Idaho Falls on March 23, 2026 with Alaska Airlines, with prices starting at US$358.

The time difference between Idaho Falls and New York is 2h.

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