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$1,250+ Cheap flights from Ontario (ONT) to Surabaya (SUB)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/20. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — SUB
Apr 20 — Apr 271
Sun 4/20
Sun 4/27
1 adult, Economy
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Cheap 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 15, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$1,281
(FlightHub)

Popular in

December

Cheapest in

September

Average price

$1,025
Provider with most accurate pricing for Ontario-Surabaya Juanda flight deals.
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Provider most trusted by Cheapflights users for Ontario-Surabaya Juanda flights.
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From Ontario to Surabaya Juanda
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Highest demand for flights based on searches. 7% potential increase in price ($86 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($49 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find 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 15, 2025.

This FlightHub deal was found by Cheapflights users on 4/14. 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.
Thu 11/2010:45 pmONT - SUB
2 stops30h 45mChina Airlines
Sun 11/307:05 amSUB - ONT
2 stops48h 45mChina Airlines
Deal found 4/14$1,250
This Booking.com deal was found by Cheapflights users on 4/13. 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.
Sat 9/1312:45 amONT - SUB
2 stops27h 00mMultiple Airlines
Sat 9/208:05 pmSUB - ONT
2 stops59h 55mMultiple Airlines
Deal found 4/13$1,344
This United Airlines deal was found by Cheapflights users on 4/14. 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.
Fri 11/216:00 amONT - SUB
2 stops45h 15mUnited Airlines
Sun 11/3010:15 amSUB - ONT
2 stops51h 20mUnited Airlines
Deal found 4/14$1,397
This Ovago deal was found by Cheapflights users on 4/14. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/206:00 amONT - SUB
3 stops61h 25mJapan Airlines
Sun 11/304:30 pmSUB - ONT
3 stops37h 42mJapan Airlines
Deal found 4/14$3,864

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 15, 2025.
Use the filters below to find and compare flights from Ontario to Surabaya that are best for you.

Fly from

Ontario

Fly to

Surabaya

Route

Depart

Return

Price

OntarioSurabaya

ONT - SUB

ONTSUB

Ontario

Thu 10/9

12:10 am-8:30 pm

2 stops30h 20m

Surabaya Juanda

Sat 10/25

7:05 am-6:00 pm

2 stops24h 55m

$1,281

OntarioSurabaya

ONT - SUB

ONTSUB

Ontario

Sat 9/13

12:45 am-5:45 pm

2 stops27h 00m

Surabaya Juanda

Sat 9/20

8:05 pm-6:00 pm

2 stops59h 55m

$1,344

OntarioSurabaya

ONT - SUB

ONTSUB

Ontario

Fri 10/10

1:35 pm-6:15 pm

2 stops38h 40m

Surabaya Juanda

Sat 10/25

10:10 am-1:10 pm

2 stops41h 00m

$1,437

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/13

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*
FlightHubPrice Accuracy3 starsTrust Score*2 stars
AranGrantPrice 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Ontario-Surabaya flight deals on Cheapflights vs. AranGrant >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 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-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.

Cheapflights Insights

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

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

Currently, March is the cheapest month in which you can book a flight from Ontario to Surabaya (average of $955). Flying from Ontario to Surabaya in December is currently the most expensive (average of $1,673). 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.

Rainfall in Surabaya by month

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

In terms of precipitation, rainfall in Surabaya ranges from 0.4 - 11.0 inches per month. January is typically the wettest month, when rainfall can reach 11.0 in. August is typically the driest time to visit Surabaya when rainfall is around 0.4 in.

Temperature in Surabaya by month

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

If weather is an important factor for your trip to Surabaya, use this chart to help with planning. For those seeking warmer temperatures, October is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 80.6 F).

Reviews of airlines servicing Surabaya

Get insights into the airlines that provide service to Surabaya. 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 Surabaya. Reviews last updated April 15, 2025.
China Airlines
8.2
Very good
729 reviews

Entertainment

8.0

Overall

8.2

Comfort

8.0

Food

7.8

Boarding

8.3

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
China Airlines
8.2
Very good
729 reviews
China Airlines
8.2
Very good
729 reviews

Entertainment

8.0

Overall

8.2

Comfort

8.0

Food

7.8

Boarding

8.3

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
United Airlines
7.4
Good
8,658 reviews
China Airlines
8.2
Very good
729 reviews

Entertainment

8.0

Overall

8.2

Comfort

8.0

Food

7.8

Boarding

8.3

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver

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.

  • 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.

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

    Currently, March is the cheapest month in which you can book a flight from Ontario to Surabaya (average of $955). Flying from Ontario to Surabaya in December is currently the most expensive (average of $1,673). 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.

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