The cheapest times to fly from IAH to SUB are

  • January 22nd to May 27th (except the week of May 7th)
  • October 8th to December 9th

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 IAH to SUB is late February and early March. Prices can be as high as $2986 for Friday flights during late December, or as low as $1022 for Tuesday flights around late February and early March.


When to Fly to Surabaya

Flying from Houston, TX (IAH) to Surabaya (SUB) will usually cost between $1036 to $2217 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late February and early March with an average ticket price of $1099. Due to high demand the most expensive time to fly is late December, with an average price of $2656. Planning your trip to low-cost times can easily save you $1556 on economy flights and even more on first-class flights. Generally, any price below $1247 can be considered a good price for a round-trip IAH to SUB flight.

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

IAH to SUB Flight Prices

Compared to other flights, the IAH to SUB flight is slightly more expensive than the average and costs slightly more than the average flight leaving from Houston. The average price per mile (for a direct flight) is $0.08, 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. Fridays 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 $172 (12%) 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 $1293. Return trip prices are from the SUB to IAH 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 IAH to SUB can generally find a 2-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 19 hour 3 minutes may not be realistic.


Flight Hacking IAH to SUB

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 IAH to SUB — but Champion Traveler does!

Hack #1: Jakarta (IAH > CGK > SUB)

  • Price for both tickets: $919
  • Average savings: $328 (26.31%)

See IAH to CGK flights

Hack #2: Singapore (IAH > SIN > SUB)

  • Price for both tickets: $922
  • Average savings: $325 (26.07%)

See IAH to SIN flights

Hack #3: Kuala Lumpur (IAH > KUL > SUB)

  • Price for both tickets: $990
  • Average savings: $257 (20.58%)

See IAH to KUL flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 15 major airlines flying this route most often: Air France, American, ANA, British Airways, Cathay Pacific, China Airlines, EVA Air, Garuda Indonesia, JAL, KLM, Lufthansa, Malaysia Airlines, Singapore Airlines, United, Vistara, and potentially more during busy seasons.

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

The distance between the two airports is roughly 10034 miles or 16148 kilometers.

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

The real-world flight time for a nonstop IAH to SUB flight is about 19 hour 3 minutes.

How many flights go between Houston, TX and Surabaya?

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


Airport Location Info


Departing Airport

Origination code IAH
Origination airport name George Bush Intercontinental/Houston Airport
City Houston, TX
Country the United States
Latitude 30
Longitude -95.3

Return Airport

Destination code SUB
Destination airport name Juanda Airport
City Surabaya
Country Indonesia
Latitude -7.4
Longitude 112.8


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.