141 € Cheap Flights from Kupang to Surabaya

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Flight deals from Kupang to Surabaya

Looking for a cheap last-minute deal or the best return flight from Kupang to Surabaya? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Kupang to Surabaya

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Kupang to Surabaya flights are currently cheapest in March.

Direct flights from Kupang to Surabaya

Kupang to Surabaya: Alternative routes

Compare routes from Kupang to Surabaya below. You may find an airport to fly into that's cheaper, faster, or easier than Surabaya.

Kupang to Surabaya: Flight information

The things to know before you go.
Cheapest flight found141 €
Cheapest month to flyMarch
Average flight time2 hrs
Most popular airlineLionAir Indonesia
Average flights per week19

Finding cheap flights from Kupang to Surabaya: Frequently asked questions

The best price we found for a return flight from Kupang to Surabaya is 141 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
2 hours is the average flight time from Kupang to Surabaya.
LionAir Indonesia flies direct from Kupang to Surabaya.
As of February 2026, there are 19 flights per week flying from Kupang to Surabaya.
The cheapest month to fly from Kupang to Surabaya is usually March.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Kupang Airport to Surabaya Airport on Friday, 20 March 2026.
Yes – the average flight time is 2 hours.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Surabaya but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Surabaya is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, LionAir Indonesia offers the cheapest flight tickets to Surabaya.

Flying from El Tari Airport (KOE) to Juanda International Airport (SUB): what you need to know

  • Hop on a direct flight from El Tari Airport to Juanda International Airport and you'll be travelling for an average of 2 hours 5 minutes.

  • Surabaya's timezone is UTC+7, making Surabaya one hour behind Kupang.

  • Flights from KOE to SUB start from 06:15 — the first with Lion Air. The latest departure is at 15:45 with Lion Air. Overall, you can take your pick of 15 weekly El Tari Airport to Juanda International Airport flights.

  • Give yourself enough time to make your KOE to SUB flight. As a rule of thumb, arrive two hours before international departures and an hour ahead for domestic flights.

  • During popular months such as July, you'll want to get to the airport earlier. Plan to arrive two hours before domestic departures and four hours ahead for an international flight whenever you're travelling during a peak period in general.

  • You'll find a range of airlines offering direct flights from El Tari Airport to Juanda International Airport. When you're ready to kick off your Surabaya adventure, let one of these carriers take you to this popular corner of Indonesia:

  • Garuda Indonesia is the most frequently booked airline on this route.

  • Consider adding a stopover when booking your ticket from El Tari Airport to Juanda International Airport. Just uncheck 'Direct flights only' to break up your journey, or visit a new city along the way. Check out these options between KOE and SUB:

    • Sultan Hasanuddin International Airport

    • Ngurah Rai International Airport

    • Soekarno-Hatta International Airport

How to find the cheapest flights from El Tari Airport (KOE) to Juanda International Airport (SUB)

  • 74 € is currently the best price for a one-way El Tari Airport to Juanda International Airport flight. Return flights start from 141 €. These fares can change depending on demand and availability.

  • Score cheap tickets from KOE to SUB by booking six months ahead. Based on our research, that's the sweet spot for picking up a bargain.

  • The cheapest month for flights from El Tari Airport to Juanda International Airport is May. Use the 'Whole month' tool to see the lowest prices if you have a flexible travel schedule.

  • You won't have to check back in every day to see if fares have gone down when you create a Price Alert. We'll notify you as soon as a special offer becomes available on cheap flights from KOE to SUB.

  • Tailor your trip using filters. Choose your ideal departure and arrival times, airlines and total journey duration. You can also sort the results by 'Best,' 'Fastest' or 'Cheapest' flights from El Tari Airport to Juanda International Airport.

Handy information about El Tari Airport (KOE)

  • El Tari Airport is about 11 kilometres from central Kupang. If you're ride-sharing, catching a cab or driving from the centre, it'll take you 20 minutes or so to get there, depending on the traffic.

  • Have an early flight from El Tari Airport to Juanda International Airport? Avoid the last-minute rush to the terminal (and sneak in some extra snooze time) by choosing one of these stays near KOE:

Arriving at Juanda International Airport (SUB)

Getting from Juanda International Airport (SUB) to central Surabaya

  • From Juanda International Airport, Surabaya is approximately 26 kilometres away. It takes around 40 minutes to drive to the centre.

When to fly to Juanda International Airport (SUB)

  • August is the busiest month for flights from El Tari Airport to Juanda International Airport. For a quieter experience, head to Surabaya in February.

  • When booking your flight from El Tari Airport to Juanda International Airport, consider the type of weather you enjoy. October is the warmest month in Surabaya, with temperatures ranging from 24ºC (75ºF) to 34ºC (93ºF).

  • Search for cheap tickets from KOE to SUB in July if you'd rather travel during cooler conditions. Temperatures are at their lowest around then, ranging between 23ºC (73ºF) and 32ºC (90ºF) on average.

Explore more of Indonesia

  • Semarang is just one of the many cities in Indonesia waiting to be discovered once you've seen the sights of Surabaya. Around 257 kilometres away to the west, its best attractions include Lawang Sewu - Historical Building Heritage Semaran, Sam Poo Kong and Semarang Old Town.

  • Denpasar is another standout destination in Indonesia and is around 306 kilometres south-east of Surabaya. No trip is complete without experiencing Pura Blanjong, Jagatnata Temple (Pura Jagatnatha) and Bali Museum.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.