From most locations, the cheapest flights to Surabaya can be found during the month of September; however great deals can be found at other times.
In general, booking your departure to Surabaya for a Tuesday represents the best deal on airfare. Try to avoid a Sunday departure to stay away from the highest prices.
In general, when looking for the cheapest flight to Surabaya, our data indicates that noon flights are the most cost-effective. morning flights tend to be the most expensive.