The cheapest times to fly from TWF to IAH are

  • January 8th to February 25th
  • April 2nd to June 10th (except the weeks of April 9th and May 14th)
  • October 15th to November 18th

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from TWF to IAH is late January. Prices can be as high as $978 for Sunday flights during mid December, or as low as $310 for Tuesday flights around late January.


When to Fly to Houston

Flying from Twin Falls, ID (TWF) to Houston, TX (IAH) will usually cost between $340 to $725 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late January with an average ticket price of $387. Due to high demand the most expensive time to fly is mid December, with an average price of $718. Planning your trip to low-cost times can easily save you $331 on economy flights and even more on first-class flights. Generally, any price below $470 can be considered a good price for a round-trip TWF to IAH flight.

See below for a graph of average weekly prices for the TWF to IAH route. All prices are for round-trip tickets in USD.

TWF to IAH Flight Prices

Compared to other flights, the TWF to IAH flight is much cheaper than the average and costs less than the average flight leaving from Twin Falls. The average price per mile (for a direct flight) is $0.21, which is below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Sundays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $179 (31%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $375. Return trip prices are from the IAH to TWF flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from TWF to IAH can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 3 hour 27 minutes may not be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from TWF to IAH while comparing.

Destination alternative #1: Austin – Bergstrom International Airport (AUS) in Austin, TX

  • 140 miles (225 km) away from IAH
  • Usually 18.30% less expensive than IAH
  • 1-layover flights available

See TWF to AUS flights


Flight Questions Answered

Still have questions about flying from TWF to IAH? We’ve got answers.

Which airlines fly this route?

You can find 2 major airlines flying this route most often: Delta, United, and potentially more during busy seasons.

How far away is it from George Bush Intercontinental/Houston Airport to Joslin Field – Magic Valley Regional Airport?

The distance between the two airports is roughly 1367 miles or 2200 kilometers.

How long does it take to fly from TWF to IAH?

The real-world flight time for a nonstop TWF to IAH flight is about 3 hour 27 minutes.

How many flights go between Twin Falls, ID and Houston, TX?

It depends on the day of the week and the date, but a typical day might have around 15 available flights from TWF to IAH.


Airport Location Info


Departing Airport

Origination codeTWF
Origination airport nameJoslin Field – Magic Valley Regional Airport
CityTwin Falls, ID
Countrythe United States

Return Airport

Destination codeIAH
Destination airport nameGeorge Bush Intercontinental/Houston Airport
CityHouston, TX
Countrythe United States


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.