What are the cheapest airlines to fly from Ontario to Jakarta one-way?

One-way options have recently been found by users for as low as $610 on United Airlines. Other airlines that offer cheap prices include China Airlines from $612 and Qatar Airways from $740 one-way.

What is the cheapest day to fly from Ontario to Jakarta?

Travelers seeking maximum savings on their Ontario to Jakarta flight should consider departing on Wednesday mornings when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

What is the cheapest day to fly round-trip from Ontario to Jakarta?

Leaving on a Monday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 2% on the overall cost on flights from Ontario to Jakarta.

How far in advance should I book a flight from Ontario to Jakarta?

Travelers have found it’s best to book a flight 60 days in advance to save up to 18% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 60 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Ontario to Jakarta 1-2 weeks in advance for as low as $821, or $1,004 for flights within the next 24 hours.

What is the cheapest month to fly from Ontario to Jakarta?

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, September can be a great choice for travel to Jakarta. Flights to Jakarta from Ontario in September are about $995 on average during September, but can be found for as low as $679.

Most accurate provider : When it comes to deals on Ontario-Jakarta flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Ontario-Jakarta flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Ontario-Jakarta flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Ontario-Jakarta flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Jakarta flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly from for flights from Ontario to Jakarta?

Ontario (ONT) is the airport you will fly out of if you book a flight from Ontario to Jakarta. You should not have trouble finding flights to Jakarta from Ontario; the airport handles an average of 0 outbound flights to Jakarta per day. You should also have plenty of airline options to choose from since 2 airlines have flights from the Ontario airport to Jakarta. It is only a 3.1 mi journey to Ontario (ONT) from Ontario’s city center.

Can I find deals for flights from Ontario to Jakarta that include hotel bookings?

Yes. In addition to deals on Ontario to Jakarta flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Ontario to Jakarta?

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

Can I find deals for business class flights from Ontario to Jakarta?

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

$428+ Flights from Ontario to Jakarta, Indonesia

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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

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Cheap flight deals from Ontario to Jakarta

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$900 (oojo)
One-way from	$610 (United Airlines)
Popular in	June
Cheapest in	September
Average price	$1,145

Provider with most accurate pricing for Ontario-Jakarta (JKT) flight deals.

Search Deals

Provider most trusted by Cheapflights users for Ontario-Jakarta (JKT) flights.

Search Deals

From Ontario to Jakarta (JKT)

Search Deals

One-way flight from Ontario to Jakarta (JKT)

Search Deals

Highest demand for flights based on searches. 16% potential increase in price ($194 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($30 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in May 2025

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Find flight deals from Ontario to Jakarta

Cheapest flights from Ontario to Jakarta
Explore the most affordable flight options available from Ontario to Jakarta. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

Wed 11/267:00 amONT - CGK

2 stops46h 15mKorean Air

Wed 12/179:50 pmCGK - ONT

2 stops30h 28mKorean Air

Deal found 4/28

$870

Tue 9/161:42 pmONT - CGK

2 stops33h 53mUnited Airlines

Wed 10/12:30 pmCGK - ONT

2 stops35h 43mUnited Airlines

Deal found 4/29

$891

Wed 11/2610:45 pmONT - CGK

1 stop23h 55mChina Airlines

Tue 12/161:30 amCGK - ONT

1 stop30h 20mChina Airlines

Deal found 4/28

$921

Tue 6/246:25 amONT - CGK

2 stops47h 45mDelta

Mon 8/259:50 pmCGK - ONT

2 stops39h 53mDelta

Deal found 4/30

$988

Wed 8/611:45 pmONT - CGK

1 stop21h 30mSTARLUX Airlines

Fri 8/2212:15 pmCGK - ONT

1 stop19h 25mSTARLUX Airlines

Deal found 4/29

$997

Wed 11/267:00 amONT - CGK

2 stops46h 15mMultiple Airlines

Thu 12/111:30 amCGK - ONT

1 stop30h 20mMultiple Airlines

Deal found 4/30

$1,062

Mon 9/86:00 amONT - CGK

2 stops35h 30mQatar Airways

Thu 10/306:35 pmCGK - ONT

2 stops42h 02mQatar Airways

Deal found 4/30

$1,158

Wed 7/236:00 amONT - CGK

2 stops27h 55mJapan Airlines

Tue 8/129:55 pmCGK - ONT

2 stops34h 09mJapan Airlines

Deal found 4/30

$1,554

Mon 5/1210:59 pmONT - CGK

2 stops44h 36mEtihad Airways

Tue 5/2712:45 amCGK - ONT

2 stops58h 26mEtihad Airways

Deal found 4/30

$1,559

Best flights from Ontario to Jakarta
Discover carefully curated flight deals from Ontario to Jakarta that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 1, 2025.

Wed 9/2411:10 pmONT - CGK

1 stop22h 05mSTARLUX Airlines

Wed 10/2212:15 pmCGK - ONT

1 stop18h 50mSTARLUX Airlines

Deal found 4/30

$900

Tue 9/2312:10 amONT - CGK

1 stop23h 25mChina Airlines

Wed 10/222:40 pmCGK - ONT

1 stop41h 20mChina Airlines

Deal found 4/30

$948

Tue 5/136:00 amONT - CGK

2 stops48h 10mKorean Air

Wed 5/289:50 pmCGK - ONT

2 stops34h 30mKorean Air

Deal found 4/30

$983

Tue 6/246:25 amONT - CGK

2 stops47h 45mDelta

Mon 8/259:50 pmCGK - ONT

2 stops39h 53mDelta

Deal found 4/30

$988

Fri 8/226:00 amONT - CGK

2 stops27h 45mUnited Airlines

Sat 9/66:10 amCGK - ONT

2 stops25h 27mUnited Airlines

Deal found 4/30

$1,055

Mon 9/86:00 amONT - CGK

2 stops35h 30mQatar Airways

Wed 10/2912:20 amCGK - ONT

2 stops36h 17mQatar Airways

Deal found 4/30

$1,158

Fri 8/2911:45 pmONT - CGK

1 stop21h 30mMultiple Airlines

Thu 9/181:30 amCGK - ONT

1 stop30h 30mMultiple Airlines

Deal found 4/30

$1,190

Wed 7/236:00 amONT - CGK

2 stops27h 55mJapan Airlines

Tue 8/129:55 pmCGK - ONT

2 stops34h 09mJapan Airlines

Deal found 4/30

$1,554

Mon 5/1210:59 pmONT - CGK

2 stops44h 36mEtihad Airways

Tue 5/2712:45 amCGK - ONT

2 stops58h 26mEtihad Airways

Deal found 4/30

$1,559

Last-minute flights from Ontario to Jakarta
Discover last-minute flight deals from Ontario to Jakarta. Data last updated May 1, 2025 and is based on user searches.

Sun 5/412:10 amONT - CGK

1 stop34h 20mChina Airlines

Tue 5/202:40 pmCGK - ONT

1 stop41h 20mChina Airlines

Deal found 4/30

$1,042

Mon 5/512:10 amONT - CGK

1 stop23h 25mChina Airlines

Thu 5/222:40 pmCGK - ONT

1 stop41h 20mChina Airlines

Deal found 4/30

$1,067

Tue 5/65:05 amONT - CGK

2 stops28h 40mUnited Airlines

Thu 5/226:10 amCGK - ONT

2 stops25h 29mUnited Airlines

Deal found 4/30

$1,000

Tue 5/65:45 amONT - CGK

2 stops48h 25mMultiple Airlines

Thu 7/39:50 pmCGK - ONT

2 stops38h 56mMultiple Airlines

Deal found 4/30

$1,225

Tue 5/67:00 amONT - CGK

3 stops45h 15mKLM

Thu 7/37:30 pmCGK - ONT

3 stops41h 15mKLM

Deal found 4/29

$3,360

Wed 5/711:46 amONT - CGK

2 stops37h 14mQatar Airways

Sun 6/16:35 pmCGK - ONT

2 stops37h 50mQatar Airways

Deal found 4/29

$1,299

Mon 5/1210:59 pmONT - CGK

2 stops44h 36mEtihad Airways

Tue 5/2712:45 amCGK - ONT

2 stops58h 26mEtihad Airways

Deal found 4/30

$1,559

Tue 5/136:00 amONT - CGK

2 stops48h 10mKorean Air

Sun 5/259:50 pmCGK - ONT

2 stops34h 30mKorean Air

Deal found 4/30

$983

One-way flights from Ontario to Jakarta
Search for one-way flight options from Ontario to Jakarta. Find affordable one-way fares based on user searches. Data last updated May 1, 2025.

Wed 5/76:00 amONT - CGK

2 stops33h 05mUnited Airlines

Deal found 4/29

$610

Tue 5/612:10 amONT - CGK

1 stop23h 25mChina Airlines

Deal found 4/29

$612

Wed 5/1412:10 amONT - CGK

2 stops33h 00mMultiple Airlines

Deal found 4/30

$728

Thu 5/156:00 amONT - CGK

2 stops43h 00mQatar Airways

Deal found 4/30

$740

Thu 6/1211:25 amONT - CGK

2 stops66h 45mDelta

Deal found 4/30

$745

Mon 6/1611:10 pmONT - CGK

1 stop22h 05mSTARLUX Airlines

Deal found 4/30

$808

Thu 5/224:45 pmONT - CGK

2 stops30h 35mEVA Air

Deal found 4/29

$947

Tue 5/276:00 amONT - CGK

2 stops27h 55mJapan Airlines

Deal found 4/30

$3,801

Sat 6/711:59 pmONT - CGK

2 stops33h 56mAmerican Airlines

Deal found 4/30

$3,835

Thu 6/126:25 amONT - CGK

2 stops47h 45mKorean Air

Deal found 4/30

$4,033

Thu 5/151:10 pmONT - CGK

3 stops39h 05mKLM

Deal found 4/30

$6,924

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to Jakarta that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Tue 9/16

1:42 pm-1:35 pm

2 stops33h 53m

Jakarta Soekarno-Hatta Intl

Wed 10/1

2:30 pm-12:13 pm

2 stops35h 43m

$891

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Mon 9/15

12:10 am-1:35 pm

1 stop23h 25m

Jakarta Soekarno-Hatta Intl

Tue 9/30

1:30 am-6:00 pm

1 stop30h 30m

$946

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Tue 5/13

6:00 am-8:10 pm

2 stops48h 10m

Jakarta Soekarno-Hatta Intl

Mon 5/26

9:50 pm-6:20 pm

2 stops34h 30m

$983

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Tue 6/24

6:25 am-8:10 pm

2 stops47h 45m

Jakarta Soekarno-Hatta Intl

Mon 8/25

9:50 pm-11:43 pm

2 stops39h 53m

$988

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Wed 8/6

11:45 pm-11:15 am

1 stop21h 30m

Jakarta Soekarno-Hatta Intl

Fri 8/22

12:15 pm-5:40 pm

1 stop19h 25m

$997

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Tue 9/16

6:00 am-11:55 pm

2 stops27h 55m

Jakarta Soekarno-Hatta Intl

Wed 10/1

12:15 pm-5:05 pm

1 stop18h 50m

$1,151

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Mon 9/8

6:00 am-7:30 am

2 stops35h 30m

Jakarta Soekarno-Hatta Intl

Thu 10/30

6:35 pm-10:37 pm

2 stops42h 02m

$1,158

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Wed 7/23

6:00 am-11:55 pm

2 stops27h 55m

Jakarta Soekarno-Hatta Intl

Tue 8/12

9:55 pm-6:04 pm

2 stops34h 09m

$1,554

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Mon 5/12

10:59 pm-9:35 am

2 stops44h 36m

Jakarta Soekarno-Hatta Intl

Tue 5/27

12:45 am-9:11 pm

2 stops58h 26m

$1,559

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Mon 10/20

7:00 am-8:10 pm

2 stops47h 10m

$428

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 20 results

Compare providers for flights from Ontario to Jakarta

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Jakarta in May.

Provider	Price Accuracy	Trust Score*
eDreams	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
AranGrant	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Ontario-Jakarta flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Ontario-Jakarta flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Ontario-Jakarta flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Ontario-Jakarta flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Jakarta flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Ontario to Jakarta

Have a flexible travel schedule? Discover the best time to fly to Jakarta from Ontario 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 Ontario to Jakarta

What is the cheapest month to book a flight from Ontario to Jakarta?

Currently, October is the cheapest month in which you can book a flight from Ontario to Jakarta (average of $920). Flying from Ontario to Jakarta in June is currently the most expensive (average of $1,477). 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.

What is the cheapest time of day to fly from ONT to JKT?

One of the essential ways to save on airfare from Ontario to Jakarta is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 3% on airfare.

Rainfall in Jakarta by month

In terms of precipitation, rainfall in Jakarta ranges from 7.0 - 15.1 inches per month. April is typically the wettest month, when rainfall can reach 15.1 in. July is typically the driest time to visit Jakarta when rainfall is around 7.0 in.

Temperature in Jakarta by month

If weather is an important factor for your trip to Jakarta, use this chart to help with planning. For those seeking warmer temperatures, March is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 75.2 F).

Reviews of airlines servicing Jakarta

To help decide which airline to fly from Ontario to Jakarta, see what other customers have to say about STARLUX Airlines, EVA Air and Korean Air. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

STARLUX Airlines

9.1

Wonderful

161 reviews

Reviews

1 / 6

10.0

Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.

STARLUX Airlines

9.1

Wonderful

161 reviews

STARLUX Airlines

9.1

Wonderful

161 reviews

Reviews

1 / 6

10.0

Excellent

Anonymous,Apr 2025

KIX - TPE

EVA Air

8.4

Very good

1,186 reviews

STARLUX Airlines

9.1

Wonderful

161 reviews

Reviews

1 / 6

10.0

Excellent

Anonymous,Apr 2025

KIX - TPE

Korean Air

8.4

Very good

1,068 reviews

STARLUX Airlines

9.1

Wonderful

161 reviews

Reviews

1 / 6

10.0

Excellent

Anonymous,Apr 2025

KIX - TPE

Japan Airlines

8.3

Very good

1,464 reviews

STARLUX Airlines

9.1

Wonderful

161 reviews

Reviews

1 / 6

10.0

Excellent

Anonymous,Apr 2025

KIX - TPE

China Airlines

8.3

Very good

732 reviews

STARLUX Airlines

9.1

Wonderful

161 reviews

Reviews

1 / 6

10.0

Excellent

Anonymous,Apr 2025

KIX - TPE

Related info for your journey

What airport do you fly from for flights from Ontario to Jakarta?
Ontario (ONT) is the airport you will fly out of if you book a flight from Ontario to Jakarta. You should not have trouble finding flights to Jakarta from Ontario; the airport handles an average of 0 outbound flights to Jakarta per day. You should also have plenty of airline options to choose from since 2 airlines have flights from the Ontario airport to Jakarta. It is only a 3.1 mi journey to Ontario (ONT) from Ontario’s city center.
What are the cheapest airlines to fly from Ontario to Jakarta one-way?
One-way options have recently been found by users for as low as $610 on United Airlines. Other airlines that offer cheap prices include China Airlines from $612 and Qatar Airways from $740 one-way.
Can I find deals for flights from Ontario to Jakarta that include hotel bookings?
Yes. In addition to deals on Ontario to Jakarta flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Ontario to Jakarta?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Jakarta.
Can I find deals for business class flights from Ontario to Jakarta?
Yes. Cheapflights offers flight deals from Ontario to Jakarta 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 Ontario to Jakarta?
Currently, October is the cheapest month in which you can book a flight from Ontario to Jakarta (average of $920). Flying from Ontario to Jakarta in June is currently the most expensive (average of $1,477). 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.

See more FAQs

Bogor

Browse thousands of different options on Cheapflights for your next trip

Top 2 airlines flying from Ontario to Jakarta

Airline	Cheapest	Average	Flexibility	On-time
China Airlines	Cheapest$925	Average$1,026	FlexibilityNo cancel fee	On-time70%
United Airlines	Cheapest$1,015	Average$1,029	FlexibilityNo cancel fee	On-time69%

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$428+ Cheap flights from Ontario (ONT) to Jakarta, Indonesia (JKT)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/20. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Ontario to Jakarta with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Ontario to Jakarta

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Ontario to Jakarta

Cheapest flights from Ontario to JakartaExplore the most affordable flight options available from Ontario to Jakarta. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

Explore the most affordable flight options available from Ontario to Jakarta. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to Jakarta that are best for you.

Compare providers for flights from Ontario to Jakarta

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Jakarta in May.

Best time to book a flight from Ontario to Jakarta

Have a flexible travel schedule? Discover the best time to fly to Jakarta from Ontario with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Jakarta

What is the cheapest month to book a flight from Ontario to Jakarta?

What is the cheapest time of day to fly from ONT to JKT?

Find hourly flight availability from Ontario to Jakarta. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 1, 2025.

Rainfall in Jakarta by month

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

Temperature in Jakarta by month

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

Reviews of airlines servicing Jakarta

Get insights into the airlines that provide service to Jakarta. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Jakarta. Reviews last updated May 1, 2025.

To help decide which airline to fly from Ontario to Jakarta, see what other customers have to say about STARLUX Airlines, EVA Air and Korean Air. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Jakarta. 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 from for flights from Ontario to Jakarta?

What are the cheapest airlines to fly from Ontario to Jakarta one-way?

Can I find deals for flights from Ontario to Jakarta that include hotel bookings?

How can I find direct flights from Ontario to Jakarta?

Can I find deals for business class flights from Ontario to Jakarta?

What is the cheapest month to book a flight from Ontario to Jakarta?

Traveling to a place near Ontario?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Ontario to Jakarta

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Ontario to Jakarta

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Cheapest flights from Ontario to Jakarta
Explore the most affordable flight options available from Ontario to Jakarta. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.