$354 Cheap Flights from Idaho Falls (IDA) to Lancaster (LNS)

View $354 flight on Wed, Nov 19, 2025Opens in a new window

Popular airlines from Idaho Falls Regional Airport (IDA) to Lancaster, PA (LNS)

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Cheap Flights from Idaho Falls to Lancaster (IDA-LNS)

Prices were available within the past 7 days and start at $354 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alternative airports near Lancaster

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

Select flight to Harrisburg Intl. MDT. Cheapest option available. Average driving time to city center is 38 minutes. Flights from $519
MDT
Harrisburg Intl.
Cheapest
Average driving time to city center38 min
Flights from $519

Frequently asked questions

How much does a flight from Idaho Falls Regional Airport (IDA) to Lancaster Airport (LNS) cost?
Get a cheap one-way flight from $354 or cheap return flight from Idaho Falls Regional Airport (IDA) to Lancaster Airport (LNS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Idaho Falls Regional Airport (IDA) to Lancaster Airport (LNS)?
Planning your getaway for is a good way to save, as it's the cheapest month for flights between IDA and LNS. You'll typically find the lowest fares during the off-season.
What is the cheapest airline that flies from Idaho Falls Regional Airport (IDA) to Lancaster Airport (LNS)?
Use the filters on Expedia to compare airlines and find the most affordable carrier that'll take you from IDA to LNS. Then, sort your results by "Price (lowest to highest)" to snag a great deal.
How many flights per day from Idaho Falls Regional Airport (IDA) to Lancaster Airport (LNS)?
Nonstop flights from Idaho Falls Regional Airport (IDA) to Lancaster Airport (LNS) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel details and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from IDA to LNS?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can change based on a range of factors, including the time of year 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 Idaho Falls Regional Airport (IDA) to Lancaster Airport (LNS)?
To avoid possible delays on the Idaho Falls Regional Airport (IDA) to Lancaster Airport (LNS) route, aim to fly before 3 PM. Departures after this time have a 22% higher chance of being 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 Lancaster Airport (LNS) last-minute?
Last-minute bookings from IDA to LNS are usually more expensive. To secure the lowest rates, start looking for flights as early as possible. That being said, if you can play around with your travel dates, it's possible to find a cheap ticket right before your trip.
Is it cheaper to book an IDA to LNS flight and hotel package?
Compared with arranging hotels and flights separately, booking an IDA to LNS flight and hotel package with Expedia could result in significant savings. Better still, managing everything in one place will take the stress out of travel planning. Simply pick your flights and select from our wide range of stays, then tailor your trip with extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Idaho Falls Regional Airport (IDA) to Lancaster Airport (LNS)?
It's usually possible to cancel or reschedule your IDA to LNS 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 possible and whether any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Origin airport
Idaho Falls Regional
Destination airport
Lancaster
Distance
1842 mi

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Idaho Falls to Lancaster Flights

The cheapest times to fly from Idaho Falls to Lancaster

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

 

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

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

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 Lancaster in 2025. You can also book with separate airlines for your outbound and return journeys, from $354 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 Lancaster 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 Lancaster 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 Lancaster Flights

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