Surabaya

Cheap flights from Incheon Intl (ICN) to Surabaya (SUB)

ICN — SUB
Jun 17 — Jun 241
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Cheap flight deals from Incheon Intl to Surabaya

Discover tips and strategies to find the most affordable flight options for your journey from Incheon Intl (ICN) to Surabaya (SUB). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 12, 2025.

Popular in

January

Cheapest in

May

Average price

$439
Highest demand for flights based on searches. 13% potential increase in price ($73 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
Average for round-trip flights in June 2025

Best time to book a flight from Incheon Intl to Surabaya

Have a flexible travel schedule? Discover the best time to fly to Surabaya from Incheon Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Incheon Intl Airport to Surabaya

How far ahead should I book a flight from Incheon Intl Airport to Surabaya?

Use this chart to determine the optimal time to book a round-trip flight from Incheon Intl to Surabaya. Price data was last updated on June 9, 2025.

Booking 34 days in advance of your planned departure date is, on average, the best time to get cheap flights from Incheon Intl Airport to Surabaya. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Incheon Intl Airport to Surabaya?

Currently, September is the cheapest month in which you can book a flight from Incheon Intl Airport to Surabaya (average of $914). Flying from Incheon Intl Airport to Surabaya in December is currently the most expensive (average of $1,697). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Rainfall in Surabaya by month

Plan your trip to Surabaya by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Surabaya ranges from 0.4 - 11.0 inches per month. January is typically the wettest month, when rainfall can reach 11.0 in. August is typically the driest time to visit Surabaya when rainfall is around 0.4 in.

Temperature in Surabaya by month

Plan your trip to Surabaya by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Surabaya, use this chart to help with planning. For those seeking warmer temperatures, October is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 80.6 F).

Related info for your journey

Find useful and relevant information for your journey from Incheon Intl to Surabaya. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to Surabaya from Incheon Intl?

    Most people fly into Surabaya Juanda (SUB) if they book a flight to Surabaya from Incheon Intl. On average, Juanda has 0 inbound flights from Incheon Intl per day from 0 airlines. Surabaya Juanda is conveniently located just 9.3 mi from Surabaya’s city center.

  • Can I find deals for flights from Incheon Intl to Surabaya that include hotel bookings?

    Yes. In addition to deals on Incheon Intl to Surabaya flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Incheon Intl to Surabaya?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Incheon Intl to Surabaya.

  • Can I find deals for business class flights from Incheon Intl to Surabaya?

    Yes. Cheapflights offers flight deals from Incheon Intl to Surabaya by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Incheon Intl Airport to Surabaya?

    Currently, September is the cheapest month in which you can book a flight from Incheon Intl Airport to Surabaya (average of $914). Flying from Incheon Intl Airport to Surabaya in December is currently the most expensive (average of $1,697). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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