When flying from Surabaya to Irving, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
If you book a flight to Irving from Surabaya, you will be flying from Juanda, which is the city’s only airport. Surabaya Juanda (SUB) is located 15.0 km from the centre of Surabaya. There are 0 flights from Juanda to Irving per day from 0 different airlines.
Great question - SUB to DFW just means Surabaya Juanda Airport to Dallas/Fort Worth Airport. Now you’ll know what these unique codes when you look for flights! While you’re still figuring out your travel plans, it’s not a bad idea to learn the names and codes of other airports around these areas: Dallas Love Field Airport (DAL), Waco Airport (ACT), Tyler Pounds Field Airport (TYR), Dallas Addison Airport (ADS).