$216 Cheap Flights from Idaho Falls (IDA) to Lafayette (LFT)

View $216 flight on Tue, Nov 18, 2025Opens in a new window

Popular airlines from Idaho Falls Regional Airport (IDA) to Lafayette Regional Airport (LFT)

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Cheap Flights from Idaho Falls to Lafayette (IDA-LFT)

Prices were available within the past 7 days and start at $216 for one-way flights and $334 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, Dec 25 - Wed, Jan 7
IDA
Idaho Falls
LFT
Lafayette
$334 Roundtrip, found 15 hours ago
$334
Roundtrip
found 15 hours ago
Select Delta flight, departing Thu, Dec 25 from Idaho Falls to Lafayette, returning Wed, Jan 7, priced at $334 found 15 hours ago
United
Fri, Nov 14 - Tue, Nov 18
IDA
Idaho Falls
LFT
Lafayette
$335 Roundtrip, found 23 hours ago
$335
Roundtrip
found 23 hours ago
Select United flight, departing Fri, Nov 14 from Idaho Falls to Lafayette, returning Tue, Nov 18, priced at $335 found 23 hours ago
Delta
Thu, Dec 25 - Tue, Jan 13
IDA
Idaho Falls
LFT
Lafayette
$357 Roundtrip, found 1 day ago
$357
Roundtrip
found 1 day ago
Select Delta flight, departing Thu, Dec 25 from Idaho Falls to Lafayette, returning Tue, Jan 13, priced at $357 found 1 day ago
Delta
Mon, Oct 27 - Wed, Nov 12
IDA
Idaho Falls
LFT
Lafayette
$359 Roundtrip, found 2 days ago
$359
Roundtrip
found 2 days ago
Select Delta flight, departing Mon, Oct 27 from Idaho Falls to Lafayette, returning Wed, Nov 12, priced at $359 found 2 days ago
Delta
Thu, Dec 25 - Thu, Jan 8
IDA
Idaho Falls
LFT
Lafayette
$363 Roundtrip, found 15 hours ago
$363
Roundtrip
found 15 hours ago
Select Delta flight, departing Thu, Dec 25 from Idaho Falls to Lafayette, returning Thu, Jan 8, priced at $363 found 15 hours ago
Delta
Thu, Dec 25 - Fri, Jan 9
IDA
Idaho Falls
LFT
Lafayette
$364 Roundtrip, found 15 hours ago
$364
Roundtrip
found 15 hours ago
Select Delta flight, departing Thu, Dec 25 from Idaho Falls to Lafayette, returning Fri, Jan 9, priced at $364 found 15 hours ago
Delta
Mon, Oct 27 - Tue, Nov 11
IDA
Idaho Falls
LFT
Lafayette
$382 Roundtrip, found 2 days ago
$382
Roundtrip
found 2 days ago
Select Delta flight, departing Mon, Oct 27 from Idaho Falls to Lafayette, returning Tue, Nov 11, priced at $382 found 2 days ago
United
Tue, Oct 28 - Mon, Nov 10
IDA
Idaho Falls
LFT
Lafayette
$384 Roundtrip, found 2 days ago
$384
Roundtrip
found 2 days ago
Select United flight, departing Tue, Oct 28 from Idaho Falls to Lafayette, returning Mon, Nov 10, priced at $384 found 2 days ago
Delta
Sun, Nov 16 - Thu, Dec 4
IDA
Idaho Falls
LFT
Lafayette
$388 Roundtrip, found 1 day ago
$388
Roundtrip
found 1 day ago
Select Delta flight, departing Sun, Nov 16 from Idaho Falls to Lafayette, returning Thu, Dec 4, priced at $388 found 1 day ago
American Airlines
Tue, Jan 13 - Sun, Feb 1
IDA
Idaho Falls
LFT
Lafayette
$451 Roundtrip, found 15 hours ago
$451
Roundtrip
found 15 hours ago
Select American Airlines flight, departing Tue, Jan 13 from Idaho Falls to Lafayette, returning Sun, Feb 1, priced at $451 found 15 hours ago

Alternative airports near Lafayette

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

Select flight to Lafayette Regional LFT. Cheapest and Closest option available. Average driving time to city center is 5 minutes. Flights from $478
LFT
Lafayette Regional
CheapestClosest
Average driving time to city center5 min
Flights from $478

Frequently asked questions

How much does a flight from Idaho Falls Regional Airport (IDA) to Lafayette Regional Airport (LFT) cost?
Lock in a cheap one-way flight from $216 or cheap return flight from $334 from Idaho Falls Regional Airport (IDA) to Lafayette Regional Airport (LFT) 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 Lafayette Regional Airport (LFT)?
Planning your trip for December is a good way to save, as it's the cheapest month for flights between IDA and LFT. You'll usually find the lowest fares during the off-season.
What is the cheapest airline that flies from Idaho Falls Regional Airport (IDA) to Lafayette Regional Airport (LFT)?
Use the filter tool on Expedia to compare different airlines and find the most affordable carrier that'll fly you from IDA to LFT. Then, sort your results by "Price (lowest to highest)" to snap up the best deal available.
How many flights per day from Idaho Falls Regional Airport (IDA) to Lafayette Regional Airport (LFT)?
There aren't any daily direct flights departing from Idaho Falls Regional Airport (IDA) to Lafayette Regional Airport (LFT). But you can choose flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be cruising above the clouds in no time at all.
What day of the week has the most flights from IDA to LFT?
Typically you'll find the most flight options available on a Friday. Tuesdays tend to be the quietest.* However, this can change based on the season, airline 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 Lafayette Regional Airport (LFT)?
To avoid potential delays on the Idaho Falls Regional Airport (IDA) to Lafayette Regional Airport (LFT) route, travel before 3 PM. Departures after this time have a 22% higher chance of cancellation.**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 Lafayette Regional Airport (LFT) last-minute?
Booking your plane ticket from IDA to LFT right before your trip is typically more expensive. But if you're flexible with your travel dates and times, you could score a cheap last-minute fare.
Is it cheaper to book an IDA to LFT flight and hotel package?
You'll generally save money by booking an IDA to LFT flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. After selecting your ideal flights and accommodations, you can add extras like activities, car rentals and tours.
Can I cancel or change the date of my flight from Idaho Falls Regional Airport (IDA) to Lafayette Regional Airport (LFT)?
If you booked your IDA to LFT flight in the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the ticket type 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 further details.

Travel information

Origin airport
Idaho Falls Regional
Destination airport
Lafayette Regional
Airlines serving
American Airlines, Delta, United
Roundtrip price
$334
Distance
1434 mi

Book with confidence

Idaho Falls to Lafayette Flights

The cheapest times to fly from Idaho Falls to Lafayette

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

 

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

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

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 Lafayette in 2025. You can also book with separate airlines for your outbound and return journeys, from $216 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 Lafayette 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 Lafayette 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 Lafayette Flights

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*Available to One Key members.