$407+ 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 7/29. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — SIN
Jul 15 — Jul 221
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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Best
Last-minute
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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 June 15, 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 June 15, 2026.
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:20 am
ONT
- SIN
2 stops31h 40m
Delta
Thu 9/177:30 am
SIN
- ONT
2 stops30h 10m
Delta
Deal found 6/10![Delta logo]()
$834
This Korean Air deal was found by Cheapflights users on 6/11. 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.
Mon 9/146:20 am
ONT
- SIN
2 stops26h 35m
Korean Air
Wed 10/147:30 am
SIN
- ONT
2 stops24h 47m
Korean Air
Deal found 6/11![Korean Air logo]()
$840
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.
Fri 9/46:00 am
ONT
- SIN
1 stop21h 35m
United Airlines
Tue 10/138:45 am
SIN
- ONT
1 stop23h 56m
United Airlines
Deal found 6/10![United Airlines logo]()
$873
This United Airlines deal was found by Cheapflights users on 6/11. 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 8/45:00 am
ONT
- SIN
2 stops34h 15m
United Airlines
Thu 8/208:45 am
SIN
- ONT
1 stop24h 26m
United Airlines
Deal found 6/11![United Airlines logo]()
$877
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.
Sun 11/86:00 am
ONT
- SIN
1 stop34h 00m
United Airlines
Wed 11/1110:20 pm
SIN
- ONT
1 stop27h 37m
United Airlines
Deal found 6/10![United Airlines logo]()
$878
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 8/206:00 am
ONT
- SIN
2 stops33h 40m
United Airlines
Thu 9/178:45 am
SIN
- ONT
1 stop26h 16m
United Airlines
Deal found 6/10![United Airlines logo]()
$882
This United Airlines deal was found by Cheapflights users on 6/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/16:00 am
ONT
- SIN
2 stops26h 55m
United Airlines
Wed 3/310:10 am
SIN
- ONT
1 stop23h 37m
United Airlines
Deal found 6/13![United Airlines logo]()
$885
This United Airlines deal was found by Cheapflights users on 6/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/26:00 am
ONT
- SIN
2 stops32h 55m
United Airlines
Thu 3/410:10 am
SIN
- ONT
1 stop28h 56m
United Airlines
Deal found 6/13![United Airlines logo]()
$888
This United Airlines deal was found by Cheapflights users on 6/14. 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.
Sun 11/86:00 am
ONT
- SIN
1 stop34h 00m
United Airlines
Thu 11/126:35 am
SIN
- ONT
2 stops27h 12m
United Airlines
Deal found 6/14![United Airlines logo]()
$891
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 June 15, 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 June 15, 2026.
This United Airlines deal was found by Cheapflights users on 6/14. 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.
Tue 8/46:00 am
ONT
- SIN
1 stop21h 35m
United Airlines
Tue 8/258:45 am
SIN
- ONT
1 stop24h 26m
United Airlines
Deal found 6/14![United Airlines logo]()
$873
This Korean Air deal was found by Cheapflights users on 6/14. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/76:20 am
ONT
- SIN
2 stops26h 35m
Korean Air
Thu 8/137:30 am
SIN
- ONT
2 stops24h 51m
Korean Air
Deal found 6/14![Korean Air logo]()
$1,066
This China Airlines deal was found by Cheapflights users on 6/11. 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 11/1310:50 pm
ONT
- SIN
1 stop22h 15m
Multiple Airlines
Thu 11/1911:05 am
SIN
- ONT
2 stops21h 45m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$1,397
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.
Mon 10/266:00 am
ONT
- SIN
1 stop23h 15m
United Airlines
Mon 11/210:10 am
SIN
- ONT
1 stop18h 10m
United Airlines
Deal found 6/10![United Airlines logo]()
$873
This United Airlines deal was found by Cheapflights users on 6/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:08 am
ONT
- SIN
2 stops33h 32m
United Airlines
Thu 9/178:45 am
SIN
- ONT
1 stop26h 16m
United Airlines
Deal found 6/13![United Airlines logo]()
$882
This United Airlines deal was found by Cheapflights users on 6/14. 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.
Thu 10/89:25 am
ONT
- SIN
1 stop29h 50m
United Airlines
Sun 10/118:45 am
SIN
- ONT
1 stop18h 33m
United Airlines
Deal found 6/14![United Airlines logo]()
$1,070
This United Airlines deal was found by Cheapflights users on 6/14. 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.
Sun 8/96:39 pm
ONT
- SIN
1 stop20h 36m
United Airlines
Thu 8/138:45 am
SIN
- ONT
1 stop24h 26m
United Airlines
Deal found 6/14![United Airlines logo]()
$1,070
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.
Fri 9/116:00 am
ONT
- SIN
1 stop21h 35m
United Airlines
Tue 9/158:45 am
SIN
- ONT
2 stops27h 08m
United Airlines
Deal found 6/12![United Airlines logo]()
$1,074
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 6/256:39 pm
ONT
- SIN
1 stop20h 36m
United Airlines
Sat 7/188:45 am
SIN
- ONT
1 stop24h 48m
United Airlines
Deal found 6/10![United Airlines logo]()
$1,312
This United Airlines deal was found by Cheapflights users on 6/15. 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 7/25:00 am
ONT
- SIN
2 stops58h 15m
United Airlines
Fri 7/108:45 am
SIN
- ONT
2 stops43h 02m
United Airlines
Deal found 6/15![United Airlines logo]()
$1,397
Last-minute flights from Ontario to SingaporeDiscover last-minute flight deals from Ontario to Singapore. Data last updated June 15, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Singapore. Data last updated June 15, 2026 and is based on user searches.
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 6/256:39 pm
ONT
- SIN
1 stop20h 36m
United Airlines
Tue 7/218:45 am
SIN
- ONT
1 stop28h 52m
United Airlines
Deal found 6/10![United Airlines logo]()
$1,112
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.
Sun 6/286:39 pm
ONT
- SIN
1 stop32h 56m
United Airlines
Mon 7/208:45 am
SIN
- ONT
1 stop28h 52m
United Airlines
Deal found 6/10![United Airlines logo]()
$1,118
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.
Sun 6/285:00 am
ONT
- SIN
2 stops46h 35m
United Airlines
Tue 7/218:45 am
SIN
- ONT
1 stop21h 44m
United Airlines
Deal found 6/10![United Airlines logo]()
$1,130
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.
Tue 6/305:00 am
ONT
- SIN
2 stops34h 15m
United Airlines
Thu 7/238:45 am
SIN
- ONT
1 stop24h 09m
United Airlines
Deal found 6/10![United Airlines logo]()
$1,116
This Delta deal was found by Cheapflights users on 6/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/216:20 am
ONT
- SIN
2 stops45h 55m
Delta
Thu 7/307:30 am
SIN
- ONT
2 stops30h 22m
Delta
Deal found 6/13![Delta logo]()
$984
This Korean Air deal was found by Cheapflights users on 6/13. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/226:20 am
ONT
- SIN
2 stops26h 35m
Korean Air
Thu 7/307:30 am
SIN
- ONT
2 stops24h 51m
Korean Air
Deal found 6/13![Korean Air logo]()
$1,038
This Korean Air deal was found by Cheapflights users on 6/13. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/226:20 am
ONT
- SIN
2 stops26h 35m
Korean Air
Fri 7/317:30 am
SIN
- ONT
2 stops24h 51m
Korean Air
Deal found 6/13![Korean Air logo]()
$1,065
This Korean Air deal was found by Cheapflights users on 6/13. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/266:20 am
ONT
- SIN
2 stops31h 40m
Korean Air
Sun 8/27:30 am
SIN
- ONT
2 stops24h 51m
Korean Air
Deal found 6/13![Korean Air logo]()
$1,115
This Korean Air 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/296:20 am
ONT
- SIN
2 stops31h 40m
Korean Air
Mon 8/1010:00 pm
SIN
- ONT
2 stops34h 21m
Korean Air
Deal found 6/10![Korean Air logo]()
$1,037
This Delta deal was found by Cheapflights users on 6/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/306:00 am
ONT
- SIN
2 stops26h 55m
Delta
Thu 8/1310:00 pm
SIN
- ONT
2 stops39h 45m
Delta
Deal found 6/13![Delta logo]()
$1,059
This Delta deal was found by Cheapflights users on 6/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/316:20 am
ONT
- SIN
2 stops26h 35m
Delta
Thu 8/1310:00 pm
SIN
- ONT
2 stops39h 45m
Delta
Deal found 6/13![Delta logo]()
$1,109
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 June 15, 2026.
Search for one-way flight options from Ontario to Singapore. Find affordable one-way fares based on user searches. Data last updated June 15, 2026.
This Jettzy deal was found by Cheapflights users on 6/11. 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 Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/296:20 am
ONT
- SIN
2 stops31h 40m
Korean Air
Deal found 6/11![Korean Air logo]()
$407
This Kissandfly.com deal was found by Cheapflights users on 6/11. 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.
Thu 9/36:20 am
ONT
- SIN
2 stops31h 40m
Korean Air
Deal found 6/11![Korean Air logo]()
$409
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/46:00 am
ONT
- SIN
2 stops26h 55m
Delta
Deal found 6/10![Delta logo]()
$412
This Kissandfly.com deal was found by Cheapflights users on 6/11. 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.
Wed 9/26:20 am
ONT
- SIN
2 stops31h 40m
Korean Air
Deal found 6/11![Korean Air logo]()
$414
This Kissandfly.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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/126:20 am
ONT
- SIN
2 stops26h 35m
Korean Air
Deal found 6/10![Korean Air logo]()
$415
This Delta deal was found by Cheapflights users on 6/11. 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 7/159:40 am
ONT
- SIN
2 stops66h 35m
Delta
Deal found 6/11![Delta logo]()
$424
This flugladen.de deal was found by Cheapflights users on 6/11. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/28:33 pm
ONT
- SIN
1 stop31h 37m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$445
This United Airlines deal was found by Cheapflights users on 6/14. 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.
Tue 8/255:00 am
ONT
- SIN
2 stops34h 15m
United Airlines
Deal found 6/14![United Airlines logo]()
$463
This United Airlines deal was found by Cheapflights users on 6/11. 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 10/171:52 pm
ONT
- SIN
1 stop37h 43m
United Airlines
Deal found 6/11![United Airlines logo]()
$475
This United Airlines deal was found by Cheapflights users on 6/14. 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.
Thu 11/266:00 am
ONT
- SIN
2 stops26h 55m
United Airlines
Deal found 6/14![United Airlines logo]()
$476
This Delta deal was found by Cheapflights users on 6/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/76:20 am
ONT
- SIN
2 stops31h 40m
Delta
Deal found 6/13![Delta logo]()
$477
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.
Mon 9/149:01 am
ONT
- SIN
2 stops30h 39m
United Airlines
Deal found 6/12![United Airlines logo]()
$482
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 June 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $834 (Delta) |
One-way from | $407 (Jettzy) |
Popular in | August |
Cheapest in | March |
Average price | $1,619 |
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 June 15, 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
Tue 8/4
6:00 am-6:35 pm
1 stop21h 35m
Singapore Changi
Tue 8/25
8:45 am-6:11 pm
1 stop24h 26m
$873
Quickest round-trip
OntarioSingapore
ONT - SIN
ONTSIN
Ontario
Mon 10/26
6:00 am-8:15 pm
1 stop23h 15m
Singapore Changi
Mon 11/2
10:10 am-12:20 pm
1 stop18h 10m
$873
OntarioSingapore
ONT - SIN
ONTSIN
Ontario
Thu 8/20
6:08 am-6:40 am
2 stops33h 32m
Singapore Changi
Thu 9/17
8:45 am-8:01 pm
1 stop26h 16m
$882
OntarioSingapore
ONT - SIN
ONTSIN
Ontario
Fri 8/7
6:20 am-11:55 pm
2 stops26h 35m
Singapore Changi
Thu 8/13
7:30 am-5:21 pm
2 stops24h 51m
$1,066
OntarioSingapore
ONT - SIN
ONTSIN
Ontario
Thu 10/8
9:25 am-6:15 am
1 stop29h 50m
Singapore Changi
Sun 10/11
8:45 am-12:18 pm
1 stop18h 33m
$1,070
OntarioSingapore
ONT - SIN
ONTSIN
Ontario
Sun 8/9
6:39 pm-6:15 am
1 stop20h 36m
Singapore Changi
Thu 8/13
8:45 am-6:11 pm
1 stop24h 26m
$1,070
OntarioSingapore
ONT - SIN
ONTSIN
Ontario
Fri 9/11
6:00 am-6:35 pm
1 stop21h 35m
Singapore Changi
Tue 9/15
8:45 am-8:53 pm
2 stops27h 08m
$1,074
OntarioSingapore
ONT - SIN
ONTSIN
Ontario
Thu 6/25
6:39 pm-6:15 am
1 stop20h 36m
Singapore Changi
Sat 7/18
8:45 am-6:33 pm
1 stop24h 48m
$1,312
OntarioSingapore
ONT - SIN
ONTSIN
Ontario
Fri 11/13
10:50 pm-1:05 pm
1 stop22h 15m
Singapore Changi
Thu 11/19
11:05 am-4:50 pm
2 stops21h 45m
$1,397
OntarioSingapore
ONT - SIN
ONTSIN
Ontario
Thu 7/2
5:00 am-6:15 am
2 stops58h 15m
Singapore Changi
Fri 7/10
8:45 am-12:47 pm
2 stops43h 02m
$1,397
Showing 1-10 of 21 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 June.
| 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 June 15, 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
Crew
9.2
Food
8.6
Entertainment
8.8
Boarding
8.9
Reviews
1 / 13
10.0
ExcellentAnonymous,Jun 2026
LAX - TPE
Overall
8.9
Comfort
8.9
Crew
9.2
Food
8.6
Entertainment
8.8
Boarding
8.9
Reviews
1 / 13
10.0
ExcellentAnonymous,Jun 2026
LAX - TPE
Overall
8.9
Comfort
8.9
Crew
9.2
Food
8.6
Entertainment
8.8
Boarding
8.9
Reviews
1 / 13
10.0
ExcellentAnonymous,Jun 2026
LAX - TPE
Overall
8.9
Comfort
8.9
Crew
9.2
Food
8.6
Entertainment
8.8
Boarding
8.9
Reviews
1 / 13
10.0
ExcellentAnonymous,Jun 2026
LAX - TPE
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 June 15, 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 June 15, 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 June 15, 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 June 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$783 | Average$1,189 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$887 | Average$1,326 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$958 | Average$1,087 | FlexibilityNo cancel fee | On-time70% |