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Cheap Flights from Surabaya to Kupang

Hi, I've summed up all the key info for Surabaya to Kupang flights

Cheapest one-way

S$ 143
Lion Air Mon, Oct 12

41% below next 30d avg. (S$ 241)

Cheapest return

S$ 286
Lion Air Fri, Oct 2

32% below next 30d avg. (S$ 421)

Best time to book

September Cheapest month
January Peak month

Fastest flight

2h Avg: 2h

Recommended airlines

With a lowest one-way fare of S$ 143 , travelers can expect an average price of S$ 241 for upcoming trips, while round-trip tickets start at S$ 286 . Flights typically take around 2h , but the fastest nonstop option completes the journey in just 2h minutes. Flights to Kupang can arrive at: El Tari Airport (KOE) . The most common route connects Juanda International Airport and El Tari Airport (SUB–KOE). To secure the best rates, booking 40 days in advance is recommended, and the cheapest travel days are Tuesday, Wednesday, and Saturday .

Updated 3d ago · This content is an AI-powered summary based on Trip.com data. Prices and availability are subject to change. Please refer to actual prices, availability, and travel conditions.

Explore the cheapest one-way and round-trip flights from Surabaya to Kupang over the next 90 days, with one-way fares from S$ 143 and round-trip from S$ 286. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        SUB 05:45
        2h
        Direct
        KOE 08:45
        Surabaya - Kupang | Fri, Oct 2 | Lion Air
        KOE 06:00
        2h
        Direct
        SUB 07:00
        Kupang - Surabaya | Fri, Oct 9 | Lion Air
        S$ 286 S$ 332
        14% off
        14% off
        S$ 332 S$ 286
      • SUB 05:45
        2h
        Direct
        KOE 08:45
        Surabaya - Kupang | Wed, Sep 23 | Lion Air
        KOE 06:00
        2h
        Direct
        SUB 07:00
        Kupang - Surabaya | Wed, Sep 30 | Lion Air
        S$ 287 S$ 332
        14% off
        14% off
        S$ 332 S$ 287
      • SUB 05:45
        2h
        Direct
        KOE 08:45
        Surabaya - Kupang | Thu, Sep 24 | Lion Air
        KOE 09:25
        2h
        Direct
        SUB 10:25
        Kupang - Surabaya | Mon, Sep 28 | Lion Air
        S$ 287 S$ 332
        14% off
        14% off
        S$ 332 S$ 287
      • SUB 05:45
        2h
        Direct
        KOE 08:45
        Surabaya - Kupang | Tue, Sep 22 | Lion Air
        KOE 09:25
        2h
        Direct
        SUB 10:25
        Kupang - Surabaya | Sat, Sep 26 | Lion Air
        S$ 288
        13% off
        S$ 332 S$ 288
      • SUB 17:15
        2h
        Direct
        KOE 20:15
        Surabaya - Kupang | Sun, Sep 27 | Lion Air
        KOE 06:00
        2h
        Direct
        SUB 07:00
        Kupang - Surabaya | Sat, Oct 3 | Lion Air
        S$ 288
        13% off
        S$ 332 S$ 288
      • SUB 05:45
        2h
        Direct
        KOE 08:45
        Surabaya - Kupang | Sat, Oct 17 | Lion Air
        KOE 06:00
        2h
        Direct
        SUB 07:00
        Kupang - Surabaya | Mon, Oct 19 | Lion Air
        S$ 289
        13% off
        S$ 332 S$ 289
      • SUB 05:45
        2h
        Direct
        KOE 08:45
        Surabaya - Kupang | Wed, Sep 16 | Lion Air
        KOE 09:25
        2h
        Direct
        SUB 10:25
        Kupang - Surabaya | Sun, Sep 20 | Lion Air
        S$ 289
        13% off
        S$ 332 S$ 289
      • SUB 05:45
        2h
        Direct
        KOE 08:45
        Surabaya - Kupang | Fri, Sep 25 | Lion Air
        KOE 14:55
        2h
        Direct
        SUB 15:55
        Kupang - Surabaya | Thu, Oct 1 | Lion Air
        S$ 289
        13% off
        S$ 332 S$ 289
      • SUB 05:45
        2h
        Direct
        KOE 08:45
        Surabaya - Kupang | Tue, Sep 15 | Lion Air
        KOE 14:55
        2h
        Direct
        SUB 15:55
        Kupang - Surabaya | Fri, Sep 18 | Lion Air
        S$ 303
        9% off
        S$ 332 S$ 303
      • SUB 05:45
        2h
        Direct
        KOE 08:45
        Surabaya - Kupang | Sat, Oct 3 | Lion Air
        KOE 09:25
        2h
        Direct
        SUB 10:25
        Kupang - Surabaya | Sun, Oct 4 | Lion Air
        S$ 308
        7% off
        S$ 332 S$ 308
      • SUB 13:00
        17h 25m
        1 stop
        KOE 14:00
        Surabaya - Kupang | Mon, Sep 14 | Normal Airline
        KOE 15:00
        6h
        Direct
        SUB 16:00
        Kupang - Surabaya | Wed, Sep 16 | Normal Airline
        Find more flights
        Find more flights
      • Cheapest nonstop
        SUB 17:15
        2h
        Direct
        KOE 20:15
        Surabaya - Kupang | Mon, Oct 12 | Lion Air
        S$ 143 S$ 165
        13% off
        13% off
        S$ 165 S$ 143
      • SUB 17:15
        2h
        Direct
        KOE 20:15
        Surabaya - Kupang | Tue, Oct 13 | Lion Air
        S$ 146 S$ 165
        12% off
        12% off
        S$ 165 S$ 146
      • SUB 11:15
        2h
        Direct
        KOE 14:15
        Surabaya - Kupang | Fri, Sep 25 | Lion Air
        S$ 153 S$ 165
        7% off
        7% off
        S$ 165 S$ 153
      • SUB 17:15
        2h
        Direct
        KOE 20:15
        Surabaya - Kupang | Sat, Oct 24 | Lion Air
        S$ 153
        7% off
        S$ 165 S$ 153
      • SUB 17:15
        2h
        Direct
        KOE 20:15
        Surabaya - Kupang | Tue, Sep 22 | Lion Air
        S$ 153
        7% off
        S$ 165 S$ 153
      • SUB 17:15
        2h
        Direct
        KOE 20:15
        Surabaya - Kupang | Thu, Sep 24 | Lion Air
        S$ 153
        7% off
        S$ 165 S$ 153
      • SUB 17:15
        2h
        Direct
        KOE 20:15
        Surabaya - Kupang | Sat, Sep 26 | Lion Air
        S$ 153
        7% off
        S$ 165 S$ 153
      • SUB 17:15
        2h
        Direct
        KOE 20:15
        Surabaya - Kupang | Tue, Sep 29 | Lion Air
        S$ 153
        7% off
        S$ 165 S$ 153
      • SUB 17:15
        2h
        Direct
        KOE 20:15
        Surabaya - Kupang | Tue, Nov 3 | Lion Air
        S$ 153
        7% off
        S$ 165 S$ 153
      • SUB 17:15
        2h
        Direct
        KOE 20:15
        Surabaya - Kupang | Wed, Nov 4 | Lion Air
        S$ 153
        7% off
        S$ 165 S$ 153
      • SUB 13:00
        17h 25m
        1 stop
        KOE 14:00
        Surabaya - Kupang | Mon, Sep 14 | Normal Airline
        Find more flights
        Find more flights

Flight.News
Over the past 7 days, flights from Surabaya to Kupang have operated an average of 3 times per day, with 55.0% on-time departure rate and 80.0% on-time arrival rate.

Which airlines are the most popular for Surabaya to Kupang flights?

You can choose from 1 airlines flying from Surabaya to Kupang, including Lion Air, and . Lion Air currently offers the cheapest direct ticket on this route.
Lion Air logo Lion Air
Airlines are determined based on actual purchased flight tickets from Surabaya to Kupang according to previous 12 months data from Trip.com.

Flying from Surabaya to Kupang

The distance between Surabaya and Kupang is approximately 1,235.56km. It takes around 2 hours on average to fly from Surabaya to Kupang. Based on Trip.com's data, travel demand peaks in January. The off-season for travel is September.

Cheapest one-way flight price S$ 143
Cheapest return ticket price S$ 286
Off-season for travel September
Peak season for travel January
Flight distance 1,235.56km
Average flight time 2 hours
Popular airline Lion Air
Frequency ～10/week
Flight statistics for the Surabaya–Kupang route are based on aggregated booking data from Trip.com over the past 12 months.

Trip.com Price Insights on Flights from Surabaya to Kupang.

What is the cheapest month for one-way flights from Surabaya to Kupang?

The average price of one-way flights from Surabaya to Kupang purchased by Trip.com users by month over the past 12 months.

Based on Trip.com’s data, the cheapest month for flights from Surabaya to Kupang is March, with an average price of S$ 109, and the most expensive month is July, with an average price of up to S$ 168.

S$ 168
S$ 139
S$ 109
S$ 80
    Cheapest
  • S$ 131
    Sep
  • S$ 128
    Oct
  • S$ 130
    Nov
  • S$ 133
    Dec
  • S$ 124
    Jan
  • S$ 123
    Feb
  • S$ 109
    Mar
  • S$ 148
    Apr
  • S$ 155
    May
  • S$ 164
    Jun
  • S$ 168
    Jul
  • S$ 146
    Aug

Frequently Asked Questions

  • Which airlines offer the cheapest flights from Surabaya to Kupang?

    Based on Trip.com data, Lion Air offers Cheapest nonstop one-way flights from S$ 143 (for example, SUB–KOE on Mon, Oct 12). For a Cheapest nonstop return flight, Lion Air offers fares from S$ 286, departing on Fri, Oct 2 and returning on Fri, Oct 9.
  • At the moment, you can catch a direct flight from Surabaya to Kupang with the following airlines, including: Lion Air Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes about 2 hours to fly from Surabaya (SUB) to Kupang (KOE).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Surabaya to Kupang is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • On average, 20 direct flights operate each week between Surabaya and Kupang. See below the schedules of the main airlines serving this route:
    Lion Air: S/M/T/W/T/F/S – JT694 (departure at 11:24) Lion Air: S/M/T/W/T/F/S – JT692 (departure at 18:15) Lion Air: S/M/T/W/T/F/S – JT690 (departure at 05:55)
  • Here are some tips for finding the best flight deals from Surabaya to Kupang on Trip.com:
    · Be flexible with your travel dates. The cheapest flight is currently on Mon, Oct 12, with one-way fares from just S$ 143.
    · Compare airlines. Lion Air currently offers the lowest fares on this route.
    · Set up a price alert to track fare changes without searching every day.
    · Check Trip.com regularly for flight deals and available promo codes.
    · Avoid peak season or book early. January is generally the busiest month for travel to Kupang.
    · Get exclusive promo codes on the Trip.com app.
  • The cheapest month to book a flight from Surabaya to Kupang is usually September, when demand is lower.
  • After crunching the numbers on our September flight calendar, it's currently cheapest to fly from Surabaya to Kupang on September 15, 2026 with Lion Air, with prices starting at S$ 140.
  • Flights to Kupang can arrive at: El Tari Airport (KOE). The most common route connects Juanda International Airport and El Tari Airport (SUB–KOE).
  • The time difference between Kupang and Surabaya is 1h.
  • Tickets can only be changed or cancelled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.
  • Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Surabaya to Kupang is S$ 241. Fares vary by travel date, airline and availability.
  • Based on Trip.com data for travel in the next 30 days, the average round-trip fare from Surabaya to Kupang is S$ 421. The final price depends on the outbound and return dates, airline and fare conditions.
  • Enter Surabaya and Kupang, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveller details and complete payment to receive your confirmation.
  • Lion Airare the most popular budget airlines flying from Surabaya to Kupang. Check baggage, seat and payment fees before comparing the final price.

Find Cheap Flights & Deals on Trip.com

Note: Prices shown on this page are the lowest estimated prices found in the last 24 hours and include all taxes and fees.

Book with no extra fees

Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are shown before payment. Charges for checked baggage, meals, Wi-Fi, and other optional services may also appear in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page have been updated within the last 24 hours, and with many routes refreshed in real time. The more popular the route, the more accurate the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.