$166 Cheap Flights from Houston (HOU) to Idaho Falls (IDA)

View $166 flight on Sat, Feb 14, 2026Opens in a new window

Popular airlines from Houston William Hobby Airport (HOU) to Idaho Falls Regional Airport (IDA)

Cheap Flights from Houston to Idaho Falls (HOU-IDA)

Prices were available within the past 7 days and start at $166 for one-way flights and $332 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, Feb 14 - Sat, Feb 21
HOU
Houston
IDA
Idaho Falls
$332 Roundtrip, found 1 day ago
$332
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Feb 14 from Houston to Idaho Falls, returning Sat, Feb 21, priced at $332 found 1 day ago

Find the cheapest month to fly from Houston (HOU) to Idaho Falls (IDA)

February is typically the cheapest month to fly

From $306 - $789 per traveler.

Alternative airports near Idaho Falls

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

Select flight to Idaho Falls Regional IDA. Cheapest and Closest option available. Average driving time to city center is 5 minutes. Flights from $401
IDA
Idaho Falls Regional
CheapestClosest
Average driving time to city center5 min
Flights from $401
Flights from Houston (HOU) to Idaho Falls (IDA)
Origin airport
William P. Hobby
Destination airport
Idaho Falls Regional
Airlines serving
American Airlines, Delta
Roundtrip price
$332
Distance
1330 mi

Houston to Idaho Falls Flights

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

 

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

Sunday is one of the best days to book for cheap flights from Houston 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 Houston 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 Houston to Idaho Falls in 2026. You can also book with separate airlines for your outbound and return journeys, from $166 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 Houston 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 Houston 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.

 

Frequently asked questions

How much does a flight from William P. Hobby Airport (HOU) to Idaho Falls Regional Airport (IDA) cost?
Grab a cheap one-way flight from $166 or cheap return flight from $332 from William P. Hobby Airport (HOU) to Idaho Falls Regional Airport (IDA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from William P. Hobby Airport (HOU) to Idaho Falls Regional Airport (IDA)?
Planning your trip for February is a good way to save, as it's the cheapest month for flights between HOU and IDA. You'll usually find the lowest fares during off-peak months.
What is the cheapest airline that flies from William P. Hobby Airport (HOU) to Idaho Falls Regional Airport (IDA)?
Use the filters on Expedia to compare airlines and find the most affordable carrier that'll take you from HOU to IDA. Then, sort your results by "Price (lowest to highest)" to snag a good deal.
How many flights per day from William P. Hobby Airport (HOU) to Idaho Falls Regional Airport (IDA)?
You'll need to hop on a flight with a layover when traveling from William P. Hobby Airport (HOU) to Idaho Falls Regional Airport (IDA). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from HOU to IDA?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can vary depending on a range of factors, including the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from William P. Hobby Airport (HOU) to Idaho Falls Regional Airport (IDA)?
To touch down at Idaho Falls Regional Airport (IDA) on schedule, select a flight that takes off from William P. Hobby Airport (HOU) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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 William P. Hobby Airport (HOU) to Idaho Falls Regional Airport (IDA) last-minute?
Last-minute fares from HOU to IDA are usually more expensive. To secure the lowest prices, start searching for flights as early as possible. That being said, if you can play around with your travel dates, it's possible to score a cheap ticket right before you leave.
Is it cheaper to book a HOU to IDA flight and hotel package?
Compared with arranging flights and hotels separately, booking a HOU to IDA flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one easy place will take the hassle out of planning your trip. Just pick your flights and select from our wide range of hotels, then personalize your trip with extras like car rentals and activities.
Can I cancel or change the date of my flight from William P. Hobby Airport (HOU) to Idaho Falls Regional Airport (IDA)?
Typically, you're able to cancel or reschedule your HOU to IDA flight. However, additional fees may apply, especially if you booked more than 24 hours ago. Check your itinerary for the airline's policies and fees on flight changes, or if you need further information, head to our Customer Service portal.

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*Available to One Key members.