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$560+ 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 7/27. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — SUB
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$1,234
(FlightHub)

One-way from

$560
(United Airlines)

Popular in

December

Cheapest in

February

Average price

$1,416
From Ontario to Surabaya Juanda
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One-way flight from Ontario to Surabaya Juanda
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Highest demand for flights based on searches. 6% potential increase in price ($79 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($37 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This FlightHub deal was found by Cheapflights users on 6/12. 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 8/2512:45 amONT - SUB
2 stops27h 00mChina Airlines
Mon 9/157:00 pmSUB - ONT
2 stops61h 00mChina Airlines
Deal found 6/12$1,234
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1912:10 amONT - SUB
2 stops27h 35mMultiple Airlines
Mon 11/177:05 amSUB - ONT
2 stops24h 45mMultiple Airlines
Deal found 6/10$1,323
This United Airlines deal was found by Cheapflights users on 6/12. 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.
Sun 7/131:19 pmONT - SUB
2 stops60h 21mUnited Airlines
Thu 8/710:10 amSUB - ONT
2 stops45h 33mUnited Airlines
Deal found 6/12$3,101

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, 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

Mon 8/25

12:45 am-5:45 pm

2 stops27h 00m

Surabaya Juanda

Mon 9/15

7:00 pm-6:00 pm

2 stops61h 00m

$1,234

OntarioSurabaya

ONT - SUB

ONTSUB

Ontario

Sun 10/19

12:10 am-5:45 pm

2 stops27h 35m

Surabaya Juanda

Mon 11/17

7:05 am-4:50 pm

2 stops24h 45m

$1,323

OntarioSurabaya

ONT - SUB

ONTSUB

Ontario

Sun 7/13

1:19 pm-3:40 pm

2 stops60h 21m

Surabaya Juanda

Thu 8/7

10:10 am-5:43 pm

2 stops45h 33m

$3,101

OntarioSurabaya

ONT - SUB

ONTSUB

Ontario

Sun 7/27

1:19 pm-3:40 pm

2 stops60h 21m

$560

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

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, September is the cheapest month in which you can book a flight from Ontario to Surabaya (average of $914). Flying from Ontario to Surabaya in December is currently the most expensive (average of $1,697). 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 June 12, 2025.
China Airlines
8.3
Very good
738 reviews

Food

7.8

Entertainment

8.0

Boarding

8.3

Overall

8.3

Comfort

8.0

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
8.3
Very good
738 reviews
China Airlines
8.3
Very good
738 reviews

Food

7.8

Entertainment

8.0

Boarding

8.3

Overall

8.3

Comfort

8.0

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
8,790 reviews
China Airlines
8.3
Very good
738 reviews

Food

7.8

Entertainment

8.0

Boarding

8.3

Overall

8.3

Comfort

8.0

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, September is the cheapest month in which you can book a flight from Ontario to Surabaya (average of $914). Flying from Ontario to Surabaya in December is currently the most expensive (average of $1,697). 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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