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Surabaya

$836+ 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 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — SUB
Jul 12 — Jul 191
Sun 7/12
Sun 7/19
1 adult, Economy
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1. Tell us where you want to go

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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 June 12, 2026.

This United deal was found by Cheapflights users on 6/8. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/21:56 pm
ONT
-
SUB
2 stops35h 44m
Multiple Airlines
Wed 9/237:15 pm
SUB
-
ONT
2 stops31h 03m
Multiple Airlines
Deal found 6/8$1,076
This United Airlines deal was found by Cheapflights users on 6/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2911:00 am
ONT
-
SUB
2 stops41h 20m
United Airlines
Wed 9/27:15 pm
SUB
-
ONT
2 stops38h 46m
United Airlines
Deal found 6/7$1,201
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/177:13 pm
ONT
-
SUB
2 stops33h 07m
United Airlines
Thu 10/110:25 am
SUB
-
ONT
2 stops37h 58m
United Airlines
Deal found 6/10$1,347
This Booking.com deal was found by Cheapflights users on 6/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2010:50 pm
ONT
-
SUB
2 stops53h 20m
China Airlines
Sun 12/67:05 am
SUB
-
ONT
2 stops48h 45m
China Airlines
Deal found 6/10$1,535
This FlightHub deal was found by Cheapflights users on 6/7. 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.
Fri 11/2010:50 pm
ONT
-
SUB
2 stops29h 20m
China Airlines
Sun 11/297:05 am
SUB
-
ONT
2 stops48h 45m
China Airlines
Deal found 6/7$1,538
This China Airlines deal was found by Cheapflights users on 6/9. 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 10/3011:50 pm
ONT
-
SUB
2 stops51h 50m
China Airlines
Tue 11/37:05 am
SUB
-
ONT
2 stops48h 45m
China Airlines
Deal found 6/9$1,546
This China Airlines deal was found by Cheapflights users on 6/7. 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.
Sun 8/212:45 am
ONT
-
SUB
2 stops43h 40m
Multiple Airlines
Mon 8/248:10 am
SUB
-
ONT
2 stops24h 30m
Multiple Airlines
Deal found 6/7$1,621
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1612:10 am
ONT
-
SUB
3 stops30h 50m
Multiple Airlines
Thu 10/15:45 am
SUB
-
ONT
3 stops26h 15m
Multiple Airlines
Deal found 6/10$1,757

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 June 12, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$1,060
(United Airlines)

One-way from

$836
(Justfly.com)

Popular in

December

Cheapest in

February

Average price

$1,415
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. 11% potential increase in price ($133 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 June 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 June 12, 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
Quickest round-trip

OntarioSurabaya

ONT - SUB

ONTSUB

Ontario

Wed 9/2

1:56 pm-3:40 pm

2 stops35h 44m

Surabaya Juanda

Wed 9/23

7:15 pm-12:18 pm

2 stops31h 03m

$1,076

OntarioSurabaya

ONT - SUB

ONTSUB

Ontario

Sat 8/29

11:00 am-6:20 pm

2 stops41h 20m

Surabaya Juanda

Wed 9/2

7:15 pm-8:01 pm

2 stops38h 46m

$1,201

OntarioSurabaya

ONT - SUB

ONTSUB

Ontario

Thu 9/17

7:13 pm-6:20 pm

2 stops33h 07m

Surabaya Juanda

Thu 10/1

10:25 am-10:23 am

2 stops37h 58m

$1,347

OntarioSurabaya

ONT - SUB

ONTSUB

Ontario

Fri 11/20

10:50 pm-10:25 am

2 stops44h 35m

Surabaya Juanda

Sun 12/6

6:00 pm-4:50 pm

2 stops37h 50m

$1,538

OntarioSurabaya

ONT - SUB

ONTSUB

Ontario

Fri 10/30

11:50 pm-5:40 pm

2 stops51h 50m

Surabaya Juanda

Tue 11/3

7:05 am-4:50 pm

2 stops48h 45m

$1,546

OntarioSurabaya

ONT - SUB

ONTSUB

Ontario

Sun 8/2

12:45 am-10:25 am

2 stops43h 40m

Surabaya Juanda

Mon 8/24

8:10 am-6:40 pm

2 stops24h 30m

$1,621
Cheapest one-way

OntarioSurabaya

ONT - SUB

ONTSUB

Ontario

Mon 6/29

12:10 am-10:25 am

2 stops44h 15m

$2,049
Quickest one-way

OntarioSurabaya

ONT - SUB

ONTSUB

Ontario

Tue 6/30

12:45 am-7:00 pm

2 stops28h 15m

$2,065

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Sorted by cheapest first

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 June.
ProviderPrice AccuracyTrust Score*
OvagoPrice Accuracy3 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 Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Ontario-Surabaya flight deals on Cheapflights vs. Ovago >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 Ovago the most. Ovago 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 United Airlines and China Airlines fly from Ontario to Surabaya in about 41h 20m. The time it takes to get you to your destination can typically vary by up to 3h 15m. There are 8739 mi between Ontario and Surabaya. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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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