$487+ Cheap flights from Ontario (ONT) to Singapore (SIN)
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 8/3. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — SIN
May 28 — Jun 41
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Singapore 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 Singapore
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Cheapest flights from Ontario to SingaporeExplore the most affordable flight options available from Ontario to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 28, 2026.
Explore the most affordable flight options available from Ontario to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 28, 2026.
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/47:00 am
ONT
- SIN
2 stops31h 00m
Delta
Mon 5/257:30 am
SIN
- ONT
2 stops24h 40m
Delta
Deal found 4/22![Delta logo]()
$885
This Korean Air 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:00 am
ONT
- SIN
2 stops46h 25m
Korean Air
Sun 11/110:40 am
SIN
- ONT
2 stops46h 37m
Korean Air
Deal found 4/22![Korean Air logo]()
$891
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/47:00 am
ONT
- SIN
2 stops31h 00m
Delta
Mon 5/251:25 am
SIN
- ONT
2 stops30h 45m
Delta
Deal found 4/22![Delta logo]()
$935
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/47:00 am
ONT
- SIN
2 stops25h 55m
Delta
Thu 5/147:30 am
SIN
- ONT
2 stops24h 40m
Delta
Deal found 4/23![Delta logo]()
$985
This Korean Air 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/297:00 am
ONT
- SIN
2 stops25h 55m
Korean Air
Wed 5/137:30 am
SIN
- ONT
2 stops24h 40m
Korean Air
Deal found 4/23![Korean Air logo]()
$991
This oojo deal was found by Cheapflights users on 4/26. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2312:00 pm
ONT
- SIN
1 stop38h 35m
Singapore Airlines
Sat 11/79:00 am
SIN
- ONT
1 stop21h 47m
Singapore Airlines
Deal found 4/26![Singapore Airlines logo]()
$996
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/117:00 am
ONT
- SIN
2 stops31h 00m
Delta
Mon 10/197:30 am
SIN
- ONT
2 stops24h 47m
Delta
Deal found 4/23![Delta logo]()
$1,035
This Korean Air 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/67:00 am
ONT
- SIN
2 stops30h 00m
Korean Air
Mon 11/3010:40 am
SIN
- ONT
2 stops46h 37m
Korean Air
Deal found 4/24![Korean Air logo]()
$1,040
This Delta deal was found by Cheapflights users on 4/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/25:59 pm
ONT
- SIN
2 stops44h 01m
Delta
Tue 5/121:25 am
SIN
- ONT
2 stops30h 45m
Delta
Deal found 4/27![Delta logo]()
$1,041
This Kissandfly.com 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/266:49 pm
ONT
- SIN
1 stop32h 46m
Lufthansa
Mon 5/119:00 am
SIN
- ONT
1 stop18h 22m
Lufthansa
Deal found 4/24![Lufthansa logo]()
$1,067
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/76:00 am
ONT
- SIN
1 stop21h 35m
United Airlines
Tue 5/129:00 am
SIN
- ONT
1 stop23h 52m
United Airlines
Deal found 4/24![United Airlines logo]()
$1,071
Best flights from Ontario to SingaporeDiscover carefully curated flight deals from Ontario to Singapore that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 28, 2026.
Discover carefully curated flight deals from Ontario to Singapore that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 28, 2026.
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/117:00 am
ONT
- SIN
2 stops31h 00m
Delta
Tue 10/207:30 am
SIN
- ONT
2 stops24h 47m
Delta
Deal found 4/23![Delta logo]()
$1,035
This United Airlines deal was found by Cheapflights users on 4/26. 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 8/207:13 pm
ONT
- SIN
1 stop20h 02m
United Airlines
Thu 9/178:45 am
SIN
- ONT
1 stop26h 19m
United Airlines
Deal found 4/26![United Airlines logo]()
$1,071
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.
Tue 9/2912:10 am
ONT
- SIN
1 stop33h 25m
Multiple Airlines
Mon 10/512:15 pm
SIN
- ONT
2 stops20h 45m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$1,477
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.
Tue 10/612:10 am
ONT
- SIN
2 stops31h 05m
China Airlines
Tue 10/202:00 am
SIN
- ONT
1 stop31h 00m
China Airlines
Deal found 4/23![China Airlines logo]()
$1,538
This Qatar Airways deal was found by Cheapflights users on 4/26. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2411:58 am
ONT
- SIN
2 stops36h 47m
Qatar Airways
Sat 9/53:15 am
SIN
- ONT
2 stops32h 57m
Qatar Airways
Deal found 4/26![Qatar Airways logo]()
$1,560
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/117:00 am
ONT
- SIN
2 stops31h 00m
Delta
Wed 10/2110:00 pm
SIN
- ONT
2 stops34h 17m
Delta
Deal found 4/23![Delta logo]()
$1,035
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/127:00 am
ONT
- SIN
2 stops25h 55m
Delta
Thu 10/227:30 am
SIN
- ONT
2 stops24h 47m
Delta
Deal found 4/23![Delta logo]()
$1,095
This United Airlines deal was found by Cheapflights users on 4/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/121:30 pm
ONT
- SIN
1 stop26h 15m
United Airlines
Fri 5/159:00 am
SIN
- ONT
1 stop28h 59m
United Airlines
Deal found 4/27![United Airlines logo]()
$1,278
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/196:00 am
ONT
- SIN
1 stop21h 35m
United Airlines
Thu 6/48:45 am
SIN
- ONT
1 stop24h 11m
United Airlines
Deal found 4/24![United Airlines logo]()
$1,431
This Delta deal was found by Cheapflights users on 4/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/36:45 am
ONT
- SIN
2 stops31h 15m
Delta
Thu 6/111:25 am
SIN
- ONT
2 stops36h 16m
Delta
Deal found 4/27![Delta logo]()
$1,315
This United Airlines deal was found by Cheapflights users on 4/25. 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.
Tue 8/41:18 pm
ONT
- SIN
2 stops25h 57m
United Airlines
Thu 8/138:45 am
SIN
- ONT
1 stop24h 26m
United Airlines
Deal found 4/25![United Airlines logo]()
$1,521
Last-minute flights from Ontario to SingaporeDiscover last-minute flight deals from Ontario to Singapore. Data last updated April 28, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Singapore. Data last updated April 28, 2026 and is based on user searches.
This Korean Air deal was found by Cheapflights users on 4/26. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/287:00 am
ONT
- SIN
2 stops25h 55m
Korean Air
Mon 6/110:00 pm
SIN
- ONT
2 stops34h 08m
Korean Air
Deal found 4/26![Korean Air logo]()
$990
This Korean Air deal was found by Cheapflights users on 4/26. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/287:00 am
ONT
- SIN
2 stops25h 55m
Korean Air
Sat 5/3010:00 pm
SIN
- ONT
2 stops34h 10m
Korean Air
Deal found 4/26![Korean Air logo]()
$1,105
This Korean Air 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/297:00 am
ONT
- SIN
2 stops25h 55m
Korean Air
Mon 5/187:30 am
SIN
- ONT
2 stops24h 40m
Korean Air
Deal found 4/23![Korean Air logo]()
$991
This Delta deal was found by Cheapflights users on 4/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/25:59 pm
ONT
- SIN
2 stops44h 01m
Delta
Tue 5/121:25 am
SIN
- ONT
2 stops30h 45m
Delta
Deal found 4/27![Delta logo]()
$1,041
This Delta deal was found by Cheapflights users on 4/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/37:00 am
ONT
- SIN
2 stops31h 00m
Delta
Tue 6/27:30 am
SIN
- ONT
2 stops30h 02m
Delta
Deal found 4/27![Delta logo]()
$1,035
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/47:00 am
ONT
- SIN
2 stops31h 00m
Delta
Mon 5/257:30 am
SIN
- ONT
2 stops24h 40m
Delta
Deal found 4/22![Delta logo]()
$885
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/47:00 am
ONT
- SIN
2 stops31h 00m
Delta
Mon 5/251:25 am
SIN
- ONT
2 stops30h 45m
Delta
Deal found 4/22![Delta logo]()
$935
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/47:00 am
ONT
- SIN
2 stops25h 55m
Delta
Sun 5/1710:00 pm
SIN
- ONT
2 stops34h 10m
Delta
Deal found 4/23![Delta logo]()
$985
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/46:59 pm
ONT
- SIN
1 stop20h 46m
United Airlines
Thu 5/218:45 am
SIN
- ONT
1 stop28h 52m
United Airlines
Deal found 4/22![United Airlines logo]()
$1,072
This Delta deal was found by Cheapflights users on 4/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/47:00 am
ONT
- SIN
2 stops31h 00m
Delta
Sun 5/3110:00 pm
SIN
- ONT
2 stops39h 32m
Delta
Deal found 4/27![Delta logo]()
$1,095
This United Airlines deal was found by Cheapflights users on 4/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/76:00 am
ONT
- SIN
1 stop21h 35m
United Airlines
Wed 5/209:00 am
SIN
- ONT
1 stop23h 52m
United Airlines
Deal found 4/27![United Airlines logo]()
$1,071
One-way flights from Ontario to SingaporeSearch for one-way flight options from Ontario to Singapore. Find affordable one-way fares based on user searches. Data last updated April 28, 2026.
Search for one-way flight options from Ontario to Singapore. Find affordable one-way fares based on user searches. Data last updated April 28, 2026.
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/36:00 am
ONT
- SIN
2 stops32h 00m
Delta
Deal found 4/23![Delta logo]()
$487
This Korean Air deal was found by Cheapflights users on 4/25. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/127:00 am
ONT
- SIN
2 stops25h 55m
Korean Air
Deal found 4/25![Korean Air logo]()
$490
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/306:00 am
ONT
- SIN
2 stops27h 20m
Japan Airlines
Deal found 4/22![Japan Airlines logo]()
$498
This Korean Air 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/257:00 am
ONT
- SIN
2 stops25h 55m
Korean Air
Deal found 4/22![Korean Air logo]()
$515
This Japan 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/306:02 am
ONT
- SIN
2 stops27h 18m
Japan Airlines
Deal found 4/23![Japan Airlines logo]()
$526
This United Airlines deal was found by Cheapflights users on 4/26. 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.
Mon 5/41:40 pm
ONT
- SIN
2 stops37h 55m
United Airlines
Deal found 4/26![United Airlines logo]()
$530
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/161:44 pm
ONT
- SIN
1 stop37h 51m
United Airlines
Deal found 4/22![United Airlines logo]()
$542
This Korean Air deal was found by Cheapflights users on 4/25. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/137:00 am
ONT
- SIN
2 stops25h 55m
Korean Air
Deal found 4/25![Korean Air logo]()
$555
This Korean Air 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/287:00 am
ONT
- SIN
2 stops25h 55m
Korean Air
Deal found 4/22![Korean Air logo]()
$580
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/286:00 am
ONT
- SIN
1 stop21h 35m
United Airlines
Deal found 4/22![United Airlines logo]()
$595
Find flight deals from Ontario to Singapore
Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Singapore (SIN). 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 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $985 (Delta) |
One-way from | $487 (Delta) |
Popular in | August |
Cheapest in | March |
Average price | $1,331 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Singapore 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 28, 2026.
Use the filters below to find and compare flights from Ontario to Singapore that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioSingapore
ONT - SIN
ONTSIN
Ontario
Sun 10/11
7:00 am-5:00 am
2 stops31h 00m
Singapore Changi
Tue 10/20
7:30 am-5:17 pm
2 stops24h 47m
$1,035
OntarioSingapore
ONT - SIN
ONTSIN
Ontario
Sun 10/11
7:00 am-5:00 am
2 stops31h 00m
Singapore Changi
Wed 10/21
10:00 pm-5:17 pm
2 stops34h 17m
$1,035
OntarioSingapore
ONT - SIN
ONTSIN
Ontario
Thu 8/20
7:13 pm-6:15 am
1 stop20h 02m
Singapore Changi
Thu 9/17
8:45 am-8:04 pm
1 stop26h 19m
$1,071
OntarioSingapore
ONT - SIN
ONTSIN
Ontario
Mon 10/12
7:00 am-11:55 pm
2 stops25h 55m
Singapore Changi
Thu 10/22
7:30 am-5:17 pm
2 stops24h 47m
$1,095
OntarioSingapore
ONT - SIN
ONTSIN
Ontario
Tue 5/12
1:30 pm-6:45 am
1 stop26h 15m
Singapore Changi
Fri 5/15
9:00 am-10:59 pm
1 stop28h 59m
$1,278
OntarioSingapore
ONT - SIN
ONTSIN
Ontario
Wed 6/3
6:45 am-5:00 am
2 stops31h 15m
Singapore Changi
Thu 6/11
1:25 am-10:41 pm
2 stops36h 16m
$1,315
Quickest round-trip
OntarioSingapore
ONT - SIN
ONTSIN
Ontario
Tue 5/19
6:00 am-6:35 pm
1 stop21h 35m
Singapore Changi
Thu 6/4
8:45 am-5:56 pm
1 stop24h 11m
$1,431
OntarioSingapore
ONT - SIN
ONTSIN
Ontario
Tue 9/29
12:10 am-12:35 am
1 stop33h 25m
Singapore Changi
Mon 10/5
12:15 pm-6:00 pm
2 stops20h 45m
$1,477
OntarioSingapore
ONT - SIN
ONTSIN
Ontario
Tue 8/4
1:18 pm-6:15 am
2 stops25h 57m
Singapore Changi
Thu 8/13
8:45 am-6:11 pm
1 stop24h 26m
$1,521
OntarioSingapore
ONT - SIN
ONTSIN
Ontario
Tue 10/6
12:10 am-10:15 pm
2 stops31h 05m
Singapore Changi
Tue 10/20
2:00 am-6:00 pm
1 stop31h 00m
$1,538
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from Ontario to Singapore
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 Singapore in April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Ontario-Singapore flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Singapore flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Singapore flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Ontario-Singapore 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-Singapore 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 Singapore
Have a flexible travel schedule? Discover the best time to fly to Singapore from Ontario with our price prediction graph.
ONT-SIN
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 Singapore
What is the cheapest month to book a flight from Ontario to Singapore?
Currently, March is the cheapest month in which you can book a flight from Ontario to Singapore (average of $847). Flying from Ontario to Singapore in August is currently the most expensive (average of $2,009). 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.
How much does it cost to fly round-trip from Ontario to Singapore?
Reviews of airlines servicing Singapore
Get insights into the airlines that provide service to Singapore. 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 Singapore. Reviews last updated April 28, 2026.
Peruse reviews from past customers who have flown with STARLUX Airlines,China Airlines, andUnited Airlines from Ontario to Singapore to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.9
Comfort
8.9
Boarding
8.9
Crew
9.2
Entertainment
8.8
Food
8.6
Reviews
1 / 12
10.0
Excellentember j,Apr 2026
TPE - ONT
Overall
8.9
Comfort
8.9
Boarding
8.9
Crew
9.2
Entertainment
8.8
Food
8.6
Reviews
1 / 12
10.0
Excellentember j,Apr 2026
TPE - ONT
Overall
8.9
Comfort
8.9
Boarding
8.9
Crew
9.2
Entertainment
8.8
Food
8.6
Reviews
1 / 12
10.0
Excellentember j,Apr 2026
TPE - ONT
Overall
8.9
Comfort
8.9
Boarding
8.9
Crew
9.2
Entertainment
8.8
Food
8.6
Reviews
1 / 12
10.0
Excellentember j,Apr 2026
TPE - ONT
Related info for your journey
Find useful and relevant information for your journey from Ontario to Singapore. 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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Alternative routes for Ontario to Singapore
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Complete your trip
Complete your trip to Singapore by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Ontario to Singapore by cabin class
Find flights from Ontario to Singapore, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Ontario and Singapore flights
Browse other Ontario and Singapore flight options. Last updated on April 28, 2026.
Other flights from Ontario
Browse through other flights departing from Ontario. Flights are based on user searches made on Cheapflights and were last updated on April 28, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Singapore
Explore flights to Singapore departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on April 28, 2026.
Top 3 airlines flying from Ontario to Singapore
Discover the top 3 airlines that operate flights from Ontario to Singapore. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$783 | Average$1,189 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$958 | Average$998 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$981 | Average$1,378 | FlexibilityNo cancel fee | On-timeN/A |