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$837+ Cheap flights from Ontario (ONT) to Surabaya (SUB)

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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — SUB
May 25 — Jun 11
Mon 5/25
Mon 6/1
1 adult, Economy
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Find cheap flights from Ontario to Surabaya with Cheapflights

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2. Select your favorite providers

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Cheap flight deals from Ontario to Surabaya

Cheapest flights from Ontario to Surabaya
Explore the most affordable flight options available from Ontario to Surabaya. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 25, 2026.

This FlightHub deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/612:45 am
ONT
-
SUB
2 stops41h 45m
China Airlines
Wed 9/309:20 am
SUB
-
ONT
2 stops46h 40m
China Airlines
Deal found 4/20$1,457
This FlightHub deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/312:10 am
ONT
-
SUB
2 stops28h 50m
China Airlines
Thu 5/287:00 pm
SUB
-
ONT
2 stops37h 00m
China Airlines
Deal found 4/24$1,472
This FlightHub deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2412:45 am
ONT
-
SUB
2 stops28h 15m
China Airlines
Thu 9/37:00 pm
SUB
-
ONT
2 stops37h 40m
China Airlines
Deal found 4/21$1,473
This oojo deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2412:45 am
ONT
-
SUB
2 stops28h 15m
Multiple Airlines
Tue 9/12:35 pm
SUB
-
ONT
2 stops42h 05m
Multiple Airlines
Deal found 4/20$1,485
This FlightHub deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/212:10 am
ONT
-
SUB
2 stops28h 50m
China Airlines
Thu 5/287:00 pm
SUB
-
ONT
2 stops37h 00m
China Airlines
Deal found 4/24$1,501
This China Airlines deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/412:45 am
ONT
-
SUB
2 stops50h 55m
China Airlines
Wed 9/309:20 am
SUB
-
ONT
2 stops46h 40m
China Airlines
Deal found 4/23$1,532
This China Airlines deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2811:50 pm
ONT
-
SUB
2 stops29h 20m
China Airlines
Sun 11/17:05 am
SUB
-
ONT
2 stops48h 45m
China Airlines
Deal found 4/24$1,548
This China Airlines deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/210:50 pm
ONT
-
SUB
2 stops44h 35m
Multiple Airlines
Mon 11/238:15 am
SUB
-
ONT
2 stops23h 35m
Multiple Airlines
Deal found 4/22$1,624
This FlightHub deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2310:50 pm
ONT
-
SUB
2 stops29h 20m
China Airlines
Tue 12/227:05 am
SUB
-
ONT
2 stops48h 45m
China Airlines
Deal found 4/24$1,662
This oojo deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/112:10 am
ONT
-
SUB
2 stops28h 50m
China Airlines
Tue 6/236:00 pm
SUB
-
ONT
2 stops38h 00m
China Airlines
Deal found 4/20$1,921
This China Airlines deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/112:10 am
ONT
-
SUB
2 stops44h 15m
Multiple Airlines
Wed 5/278:10 am
SUB
-
ONT
2 stops23h 50m
Multiple Airlines
Deal found 4/20$1,952

Find flight deals from Ontario to Surabaya

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) 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 April 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,457
(FlightHub)

One-way from

$837
(FlightHub)

Popular in

December

Cheapest in

August

Average price

$863
Provider with most accurate pricing for Ontario-Surabaya Juanda flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-Surabaya Juanda flights.
Search Deals
From Ontario to Surabaya Juanda
Search Deals
One-way flight from Ontario to Surabaya Juanda
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($91 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($47 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Surabaya that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 25, 2026.
Use the filters below to find and compare flights from Ontario to Surabaya that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioSurabaya

ONT - SUB

ONTSUB

Ontario

Sun 9/6

12:45 am-7:00 pm

2 stops28h 15m

Surabaya Juanda

Wed 9/30

9:20 am-6:00 pm

2 stops46h 40m

$1,516

OntarioSurabaya

ONT - SUB

ONTSUB

Ontario

Tue 8/25

12:45 am-7:00 pm

2 stops28h 15m

Surabaya Juanda

Wed 9/2

9:20 am-6:40 pm

2 stops47h 20m

$1,516

OntarioSurabaya

ONT - SUB

ONTSUB

Ontario

Fri 9/4

12:45 am-5:40 pm

2 stops50h 55m

Surabaya Juanda

Wed 9/30

9:20 am-6:00 pm

2 stops46h 40m

$1,532

OntarioSurabaya

ONT - SUB

ONTSUB

Ontario

Mon 9/7

12:45 am-1:50 pm

2 stops47h 05m

Surabaya Juanda

Wed 9/30

9:20 am-6:00 pm

2 stops46h 40m

$1,532

OntarioSurabaya

ONT - SUB

ONTSUB

Ontario

Tue 9/8

12:45 am-8:30 am

2 stops41h 45m

Surabaya Juanda

Wed 9/30

9:20 am-6:00 pm

2 stops46h 40m

$1,532

OntarioSurabaya

ONT - SUB

ONTSUB

Ontario

Tue 6/2

12:10 am-7:00 pm

2 stops28h 50m

Surabaya Juanda

Sun 6/7

6:00 pm-6:00 pm

2 stops38h 00m

$1,955
Quickest round-trip

OntarioSurabaya

ONT - SUB

ONTSUB

Ontario

Tue 5/19

12:10 am-8:30 am

2 stops42h 20m

Surabaya Juanda

Wed 5/27

8:10 am-6:00 pm

2 stops23h 50m

$2,130

OntarioSurabaya

ONT - SUB

ONTSUB

Ontario

Tue 6/9

12:10 am-7:00 pm

2 stops28h 50m

Surabaya Juanda

Tue 8/4

2:35 pm-6:40 pm

2 stops42h 05m

$2,144

OntarioSurabaya

ONT - SUB

ONTSUB

Ontario

Tue 8/25

7:13 pm-3:40 pm

2 stops30h 27m

Surabaya Juanda

Fri 9/4

7:15 pm-12:12 pm

2 stops54h 57m

$2,207

OntarioSurabaya

ONT - SUB

ONTSUB

Ontario

Thu 6/11

12:10 am-7:00 pm

2 stops28h 50m

Surabaya Juanda

Thu 7/30

7:00 pm-6:40 pm

2 stops37h 40m

$2,209

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/20

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

Compare providers for flights from Ontario to Surabaya

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 Surabaya in April.
ProviderPrice AccuracyTrust Score*
OvagoPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust 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-Surabaya flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Surabaya flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Surabaya flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Surabaya flights, Cheapflights users trust FlightHub the most. FlightHub 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-Surabaya 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 Surabaya

Have a flexible travel schedule? Discover the best time to fly to Surabaya 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.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Surabaya. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Ontario to Surabaya?

    Airlines like China Airlines fly from Ontario to Surabaya in about 28h 15m. The time it takes to get you to your destination can typically vary by up to . There are 8739 mi between Ontario and Surabaya.

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

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

  • How can I find direct flights from Ontario to Surabaya?

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

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

    Yes. Cheapflights offers flight deals from Ontario 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.

See more FAQs

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