The cheapest times to fly from CSX to IAH are

  • January 15th to April 22nd (except the weeks of January 22nd and March 19th)
  • June 4th to July 1st
  • September 3rd to December 2nd (except the weeks of September 17th and October 1st)

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 CSX to IAH is late October to early November. Prices can be as high as $4775 for Saturday flights during late July, or as low as $926 for Tuesday flights around late October to early November.


When to Fly to Houston

Flying from Changsha (CSX) to Houston, TX (IAH) will usually cost between $1190 to $1929 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late October to early November with an average ticket price of $1219. Due to high demand the most expensive time to fly is late July, with an average price of $2107. Planning your trip to low-cost times can easily save you $889 on economy flights and even more on first-class flights. Generally, any price below $1519 can be considered a good price for a round-trip CSX to IAH flight.

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

CSX to IAH Flight Prices

Compared to other flights, the CSX to IAH flight is more expensive than the average and costs more than the average flight leaving from Changsha. The average price per mile (for a direct flight) is $0.12, which is far below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Saturdays 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 $213 (13%) 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 $1418. Return trip prices are from the IAH to CSX 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 CSX 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 15 hour 22 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 CSX to IAH while comparing.

Destination alternative #1: William P Hobby Airport (HOU) in Houston, TX

  • 24 miles (39 km) away from IAH
  • Usually 24.13% less expensive than IAH
  • 2-layover flights available

See CSX to HOU flights


Flight Hacking CSX to IAH

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from CSX to IAH — but Champion Traveler does!

Hack #1: Los Angeles, CA (CSX > LAX > IAH)

  • Price for both tickets: $840
  • Average savings: $680 (44.73%)

See CSX to HKG flights

Hack #2: Hong Kong (CSX > HKG > IAH)

  • Price for both tickets: $943
  • Average savings: $576 (37.92%)

See CSX to LAX flights

Hack #3: New York, NY (CSX > JFK > IAH)

  • Price for both tickets: $1005
  • Average savings: $515 (33.87%)

See CSX to JFK flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 24 major airlines flying this route most often: Aeromexico, Air Canada, Air China, American, ANA, Asiana, Avianca, Cathay Pacific, China Airlines, China Southern, COPA, Delta, EVA Air, Hainan, InterJet, JetBlue, KLM, Korean Air, LATAM, Lufthansa, Shenzhen, Spirit, United, Xiamen, and potentially more during busy seasons.

How far away is it from George Bush Intercontinental/Houston Airport to Huanghua Airport?

The distance between the two airports is roughly 7996 miles or 12868 kilometers.

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

The real-world flight time for a nonstop CSX to IAH flight is about 15 hour 22 minutes.

How many flights go between Changsha and Houston, TX?

It depends on the day of the week and the date, but a typical day might have around 20 available flights from CSX to IAH.


Airport Location Info


Departing Airport

Origination codeCSX
Origination airport nameHuanghua Airport

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.