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640 € Cheap Flights from Ontario International to Jakarta

Compare Ontario International to Jakarta flight deals

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Flight deals from Ontario International to Jakarta

Looking for a cheap last-minute deal or the best return flight from Ontario International Airport to Jakarta? If you want to travel next month, return fares start from 786 €. Find the lowest prices on one-way and return tickets right here.
Jakarta.640 € per passenger.Departing Mon, 10 Aug, returning Wed, 9 Sep.Return flight with Korean Air.Outbound indirect flight with Korean Air, departs from Ontario International on Mon, 10 Aug, arriving in Soekarno-Hatta.Inbound indirect flight with Korean Air, departs from Soekarno-Hatta on Wed, 9 Sep, arriving in Ontario International.Price includes taxes and charges.From 640 €, select.
Jakarta.643 € per passenger.Departing Fri, 7 Aug, returning Sun, 16 Aug.Return flight with Korean Air.Outbound indirect flight with Korean Air, departs from Ontario International on Fri, 7 Aug, arriving in Soekarno-Hatta.Inbound indirect flight with Korean Air, departs from Soekarno-Hatta on Sun, 16 Aug, arriving in Ontario International.Price includes taxes and charges.From 643 €, select.
Jakarta.663 € per passenger.Departing Tue, 15 Sep, returning Fri, 16 Oct.Return flight with Korean Air.Outbound indirect flight with Korean Air, departs from Ontario International on Tue, 15 Sep, arriving in Soekarno-Hatta.Inbound indirect flight with Korean Air, departs from Soekarno-Hatta on Fri, 16 Oct, arriving in Ontario International.Price includes taxes and charges.From 663 €, select.
Jakarta.664 € per passenger.Departing Fri, 11 Sep, returning Fri, 25 Sep.Return flight with Korean Air.Outbound indirect flight with Korean Air, departs from Ontario International on Fri, 11 Sep, arriving in Soekarno-Hatta.Inbound indirect flight with Korean Air, departs from Soekarno-Hatta on Fri, 25 Sep, arriving in Ontario International.Price includes taxes and charges.From 664 €, select.
Jakarta.780 € per passenger.Departing Wed, 22 Jul, returning Mon, 10 Aug.Return flight with Korean Air.Outbound indirect flight with Korean Air, departs from Ontario International on Wed, 22 Jul, arriving in Soekarno-Hatta.Inbound indirect flight with Korean Air, departs from Soekarno-Hatta on Mon, 10 Aug, arriving in Ontario International.Price includes taxes and charges.From 780 €, select.
Jakarta.786 € per passenger.Departing Mon, 13 Jul, returning Tue, 28 Jul.Return flight with Korean Air.Outbound indirect flight with Korean Air, departs from Ontario International on Mon, 13 Jul, arriving in Soekarno-Hatta.Inbound indirect flight with Korean Air, departs from Soekarno-Hatta on Tue, 28 Jul, arriving in Ontario International.Price includes taxes and charges.From 786 €, select.
Jakarta.792 € per passenger.Departing Mon, 19 Oct, returning Wed, 18 Nov.Return flight with Korean Air.Outbound indirect flight with Korean Air, departs from Ontario International on Mon, 19 Oct, arriving in Soekarno-Hatta.Inbound indirect flight with Korean Air, departs from Soekarno-Hatta on Wed, 18 Nov, arriving in Ontario International.Price includes taxes and charges.From 792 €, select.
Jakarta.895 € per passenger.Departing Fri, 27 Nov, returning Wed, 23 Dec.Return flight with Korean Air and STARLUX Airlines.Outbound indirect flight with Korean Air, departs from Ontario International on Fri, 27 Nov, arriving in Soekarno-Hatta.Inbound indirect flight with STARLUX Airlines, departs from Soekarno-Hatta on Wed, 23 Dec, arriving in Ontario International.Price includes taxes and charges.From 895 €, select.
Jakarta.909 € per passenger.Departing Mon, 12 Oct, returning Mon, 19 Oct.Return flight with Korean Air.Outbound indirect flight with Korean Air, departs from Ontario International on Mon, 12 Oct, arriving in Soekarno-Hatta.Inbound indirect flight with Korean Air, departs from Soekarno-Hatta on Mon, 19 Oct, arriving in Ontario International.Price includes taxes and charges.From 909 €, select.
Jakarta.1.084 € per passenger.Departing Mon, 2 Nov, returning Wed, 25 Nov.Return flight with China Airlines.Outbound indirect flight with China Airlines, departs from Ontario International on Mon, 2 Nov, arriving in Soekarno-Hatta.Inbound indirect flight with China Airlines, departs from Soekarno-Hatta on Wed, 25 Nov, arriving in Ontario International.Price includes taxes and charges.From 1.084 €, select.
Jakarta.1.086 € per passenger.Departing Tue, 13 Oct, returning Wed, 9 Dec.Return flight with China Airlines.Outbound indirect flight with China Airlines, departs from Ontario International on Tue, 13 Oct, arriving in Soekarno-Hatta.Inbound indirect flight with China Airlines, departs from Soekarno-Hatta on Wed, 9 Dec, arriving in Ontario International.Price includes taxes and charges.From 1.086 €, select.
Jakarta.1.087 € per passenger.Departing Thu, 28 Jan, returning Fri, 19 Feb.Return flight with China Airlines.Outbound indirect flight with China Airlines, departs from Ontario International on Thu, 28 Jan, arriving in Soekarno-Hatta.Inbound indirect flight with China Airlines, departs from Soekarno-Hatta on Fri, 19 Feb, arriving in Ontario International.Price includes taxes and charges.From 1.087 €, select.
Jakarta.1.089 € per passenger.Departing Thu, 13 Aug, returning Wed, 14 Oct.Return flight with China Airlines.Outbound indirect flight with China Airlines, departs from Ontario International on Thu, 13 Aug, arriving in Soekarno-Hatta.Inbound indirect flight with China Airlines, departs from Soekarno-Hatta on Wed, 14 Oct, arriving in Ontario International.Price includes taxes and charges.From 1.089 €, select.
Jakarta.1.089 € per passenger.Departing Tue, 13 Oct, returning Mon, 10 May.Return flight with China Airlines.Outbound indirect flight with China Airlines, departs from Ontario International on Tue, 13 Oct, arriving in Soekarno-Hatta.Inbound indirect flight with China Airlines, departs from Soekarno-Hatta on Mon, 10 May, arriving in Ontario International.Price includes taxes and charges.From 1.089 €, select.
Jakarta.1.093 € per passenger.Departing Wed, 3 Feb, returning Wed, 24 Feb.Return flight with China Airlines.Outbound indirect flight with China Airlines, departs from Ontario International on Wed, 3 Feb, arriving in Soekarno-Hatta.Inbound indirect flight with China Airlines, departs from Soekarno-Hatta on Wed, 24 Feb, arriving in Ontario International.Price includes taxes and charges.From 1.093 €, select.
Jakarta.1.097 € per passenger.Departing Wed, 6 Jan, returning Fri, 29 Jan.Return flight with STARLUX Airlines.Outbound indirect flight with STARLUX Airlines, departs from Ontario International on Wed, 6 Jan, arriving in Soekarno-Hatta.Inbound indirect flight with STARLUX Airlines, departs from Soekarno-Hatta on Fri, 29 Jan, arriving in Ontario International.Price includes taxes and charges.From 1.097 €, select.

Find the cheapest month to fly from Ontario International to Jakarta

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Ontario International to Jakarta flights are currently cheapest in August.
Jun
from 1.375 €
Jul
from 786 €
Aug
from 643 €
Sep
from 664 €
Oct
from 909 €
Nov
from 1.084 €
Dec
from 1.258 €
Jan
from 1.097 €
Feb
from 1.093 €
Mar
from 1.099 €
Apr
from 1.098 €
May
Find prices

Alternative Ontario International to Jakarta routes

Looking for the cheapest, fastest or easiest route from Ontario International to Jakarta? You could fly into the following airports instead.

Halim Perdana Kusuma

13km from central Jakarta
Closest
from 1.372 €
Search flights

Soekarno-Hatta

21km from central Jakarta
Cheapest
from 640 €
Search flights

Ontario to Jakarta: Flight information

The things to know before you go.
Cheapest flight found640 €
Cheapest month to flyAugust

Finding cheap flights from Ontario International to Jakarta: Frequently asked questions

There are 2 airports in Jakarta: Halim Perdana Kusuma and Soekarno-Hatta.
The best price we found for a return flight from Ontario International to Jakarta is 640 €. 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.
Currently, there are no airlines that fly direct from Ontario International to Jakarta. But we found flights with one or more stops from 640 €.
As of June 2026, there are no flights flying from Ontario International to Jakarta.
The cheapest month to fly from Ontario International to Jakarta is usually August.
If you're flying from Ontario International Airport, the cheapest airport near Jakarta is Soekarno-Hatta – which is 20.6 km away from the centre of Jakarta. We've found flights into this airport from 640 €.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Ontario International Airport to Jakarta on Monday, 10 August 2026.
No airlines currently offer direct flights between Ontario International Airport and Jakarta. Most routes have one or more stops.
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 Jakarta 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 Jakarta is around 40 days in advance, so don’t leave your flight to the last minute.
In June, the average temperature is usually around 28°C. May is typically the warmest month in Jakarta, when it usually averages around 29°C. You can expect the least rain in August. The coldest month is February, with temperatures averaging 26°C. The rainiest month is January.
Currently, Korean Air offers the cheapest flight tickets to Jakarta.

Flying from Ontario International Airport (ONT) to Jakarta: what you need to know

  • Leave plenty of time to catch your ONT to Jakarta flight. A good rule of thumb is to arrive at least two hours before international departures and an hour ahead for domestic flights.

  • Flying over a peak time such as July? School holidays and other high seasons can mean longer queues at security. Play things extra safe and arrive up to four hours before international flights and two hours before domestic departures.

  • Located around 5 kilometres from central Ontario, ONT can be reached in about 15 minutes by car, depending on traffic. Travelling on public transport takes roughly 45 minutes.

  • Booked an early flight from Ontario International Airport to Jakarta? Avoid rushing to the terminal (and catch some extra z's) by choosing one of these stays near ONT:

  • Ontario International Airport has a strong on-time record, reducing your chances of a delayed flight. Departures from ONT land on schedule 83% of the time.

  • You'll find ONT at 2900 E. Airport Drive.

How to find the cheapest flights from Ontario International Airport (ONT) to Jakarta

  • The best price we've found for a one-way Ontario International Airport to Jakarta flight is 336 €. The cheapest price for a return flight is 640 €. Keep in mind fares can change due to demand at the time of booking.

  • To pick up cheap flights from ONT to Jakarta, book ahead. Airlines generally offer lower prices when flights are first released.

  • Finding cheap tickets from Ontario International Airport to Jakarta is more likely if you can be flexible with your trip dates. Use the 'Whole month' search tool to get the lowest prices across every month and land an epic deal.

  • Locking in a cheap flight from ONT to Jakarta is a breeze with Price Alerts. All you need to do is create one of these automatic notifications and we'll get in touch as soon as a deal gets even better.

  • Find a cheap flight from Ontario International Airport to Jakarta with the help of our filters. Choose your ideal times, number of stops and airlines, then sort the results by 'Cheapest' for the best deals.

Best time to go to Jakarta

  • Lock in a Ontario International Airport to Jakarta plane ticket with a departure in October if you're eager to visit the city during its warmest month. You can expect temperatures to range from 25ºC (77ºF) to 32ºC (90ºF).

  • Search for cheap tickets from ONT to Jakarta in July if you like travelling in cooler conditions. Temperatures are at their lowest then, ranging between 24ºC (75ºF) and 31ºC (88ºF) on average.

More about Jakarta

  • Once you've booked your flight from Ontario International Airport to Jakarta, choose a hotel that combines comfort with a great location. Make one of these options your base for exploring Jakarta:

  • TeamLab Future Park Plaza Indonesia and Monumen Nasional are just a couple of the big attractions to add to your Jakarta to-do list. Keep the adventure rolling by checking out National Museum of Indonesia.

Explore more of Indonesia

  • Jakarta is always a good idea, but there are so many other corners of Indonesia waiting to be explored. Around 121 kilometres southeast of Jakarta, a trip to Bandung will keep you on the go. Check out popular attractions like Gedung Merdeka, Museum Gedung Sate and Masjid Agung Bandung.

  • If you're ready to explore another great destination in Indonesia, consider Palembang, about 434 kilometres northwest of Jakarta. Taman Bunga Celosia Springhill, Ampera Bridge and Masjid Al-Jannah are key highlights.

Plan the rest of your trip from Ontario to Jakarta

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