The cheapest times to fly from SGN to IAH are

  • January 22nd to April 8th (except the weeks of January 29th, March 5th, and March 19th)
  • May 7th to June 10th
  • August 27th to November 25th

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 SGN to IAH is early September. Prices can be as high as $2256 for Saturday flights during late July, or as low as $817 for Monday flights around early September.


When to Fly to Houston

Flying from Ho Chi Minh City (SGN) to Houston, TX (IAH) will usually cost between $894 to $1420 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early September with an average ticket price of $900. Due to high demand the most expensive time to fly is late July, with an average price of $1752. Planning your trip to low-cost times can easily save you $852 on economy flights and even more on first-class flights. Generally, any price below $1048 can be considered a good price for a round-trip SGN to IAH flight.

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

SGN to IAH Flight Prices

Compared to other flights, the SGN to IAH flight is priced close to the average and costs about as much as the average flight leaving from Ho Chi Minh City. The average price per mile (for a direct flight) is $0.07, which is far below average.


Flight Prices by Day of the Week

Monday is usually the cheapest day to fly to IAH, and Tuesday the cheapest day to fly back into SGN. Saturdays are the most expensive days to fly to Houston, and Sundays are the most expensive days to return to Ho Chi Minh City. Selecting flights on the least expensive days could save you up to $56 (5%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Monday and returning a week later will cost an average of $1095. Return trip prices are from the IAH to SGN 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 SGN 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 17 hour 39 minutes may not be realistic.


Flight Hacking SGN 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 SGN to IAH — but Champion Traveler does!

Hack #1: Hong Kong (SGN > HKG > IAH)

  • Price for both tickets: $889
  • Average savings: $159 (15.18%)

See SGN to LAX flights

Hack #2: Los Angeles, CA (SGN > LAX > IAH)

  • Price for both tickets: $977
  • Average savings: $71 (6.78%)

See SGN to HKG flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 28 major airlines flying this route most often: Air Canada, Air China, Air France, Alaska, American, ANA, Asiana, Austrian, British Airways, Cathay Pacific, China Airlines, China Southern, Delta, Emirates, EVA Air, Finnair, JAL, KLM, Korean Air, Lufthansa, Qatar Airways, Singapore Airlines, SWISS, THAI, Turkish Airlines, United, Vietnam Airlines, Xiamen, and potentially more during busy seasons.

How far away is it from George Bush Intercontinental/Houston Airport to Tan Son Nhat International Airport?

The distance between the two airports is roughly 9259 miles or 14901 kilometers.

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

The real-world flight time for a nonstop SGN to IAH flight is about 17 hour 39 minutes.

How many flights go between Ho Chi Minh City and Houston, TX?

It depends on the day of the week and the date, but a typical day might have around 79 available flights from SGN to IAH.


Airport Location Info


Departing Airport

Origination codeSGN
Origination airport nameTan Son Nhat International Airport
CityHo Chi Minh City

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.