$1,227+ 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 2/17. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — SUB
Nov 28 — Dec 51
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Surabaya with Cheapflights
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.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Ontario to Surabaya
Cheapest
Best
Last-minute
Cheapest flights from Ontario to SurabayaExplore 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 October 29, 2026.
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 October 29, 2026.
This Expedia deal was found by Cheapflights users on 10/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/119:45 pm -
2 stops44h 45m
Fri 12/187:05 am -
2 stops23h 50m
Deal found 10/27![Multiple Airlines logo]()
$1,793
This China Airlines deal was found by Cheapflights users on 10/28. 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 11/2210:50 pm -
2 stops42h 40m
Wed 12/28:15 am -
2 stops23h 50m
Deal found 10/28![Multiple Airlines logo]()
$1,901
This United Airlines deal was found by Cheapflights users on 10/26. 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 12/106:40 pm -
2 stops32h 15m
Thu 12/177:10 pm -
2 stops35h 09m
Deal found 10/26![United Airlines logo]()
$4,133
Best flights from Ontario to SurabayaDiscover carefully curated flight deals from Ontario to Surabaya that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 29, 2026.
Discover carefully curated flight deals from Ontario to Surabaya that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 29, 2026.
This United Airlines deal was found by Cheapflights users on 10/28. 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.
Wed 2/176:00 am -
2 stops42h 40m
Sun 2/217:10 pm -
2 stops37h 25m
Deal found 10/28![United Airlines logo]()
$1,227
This China Airlines deal was found by Cheapflights users on 10/28. 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 11/2210:50 pm -
2 stops42h 40m
Wed 12/28:15 am -
2 stops23h 50m
Deal found 10/28![Multiple Airlines logo]()
$1,901
This United Airlines deal was found by Cheapflights users on 10/28. 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 2/2011:27 am -
2 stops61h 13m
Mon 3/224:30 pm -
2 stops36h 57m
Deal found 10/28![United Airlines logo]()
$1,261
This BusinessClass deal was found by Cheapflights users on 10/27. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1110:50 pm -
2 stops28h 30m
Fri 12/184:00 pm -
3 stops67h 03m
Deal found 10/27![Multiple Airlines logo]()
$2,200
This United Airlines deal was found by Cheapflights users on 10/26. 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 12/106:40 pm -
2 stops32h 15m
Thu 12/177:10 pm -
2 stops35h 09m
Deal found 10/26![United Airlines logo]()
$4,133
Last-minute flights from Ontario to SurabayaDiscover last-minute flight deals from Ontario to Surabaya. Data last updated October 29, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Surabaya. Data last updated October 29, 2026 and is based on user searches.
This China Airlines deal was found by Cheapflights users on 10/28. 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 11/2210:50 pm -
2 stops42h 40m
Wed 12/28:15 am -
2 stops23h 50m
Deal found 10/28![Multiple Airlines logo]()
$1,901
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 October 29, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $1,227 (United Airlines) |
Popular in | February |
Cheapest in | April |
Average price | $903 |
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 7,457,451 searches. Data last updated October 29, 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
Cheapest round-trip
OntarioSurabaya
ONT Ontario - SUB Surabaya Juanda
ONTSUB
Ontario
Wed 2/17
6:00 am-3:40 pm
2 stops42h 40m
Surabaya Juanda
Sun 2/21
7:10 pm-5:35 pm
2 stops37h 25m
$1,227
OntarioSurabaya
ONT Ontario - SUB Surabaya Juanda
ONTSUB
Ontario
Sat 2/20
11:27 am-3:40 pm
2 stops61h 13m
Surabaya Juanda
Mon 3/22
4:30 pm-3:27 pm
2 stops36h 57m
$1,261
Quickest round-trip
OntarioSurabaya
ONT Ontario - SUB Surabaya Juanda
ONTSUB
Ontario
Sun 11/22
10:50 pm-8:30 am
2 stops42h 40m
Surabaya Juanda
Wed 12/2
8:15 am-5:05 pm
2 stops23h 50m
$1,901
OntarioSurabaya
ONT Ontario - SUB Surabaya Juanda
ONTSUB
Ontario
Fri 12/11
10:50 pm-6:20 pm
2 stops28h 30m
Surabaya Juanda
Fri 12/18
4:00 pm-8:03 pm
3 stops67h 03m
$2,200
OntarioSurabaya
ONT Ontario - SUB Surabaya Juanda
ONTSUB
Ontario
Thu 12/10
6:40 pm-5:55 pm
2 stops32h 15m
Surabaya Juanda
Thu 12/17
7:10 pm-3:19 pm
2 stops35h 09m
$4,133
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 October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- 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.
ONT-SUB
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.
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