$409+ Cheap flights from Ontario (ONT) to Singapore
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 8/24. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — SIN
Aug 27 — Sep 31
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
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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
One-way
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 July 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 July 28, 2026.
This Delta deal was found by Cheapflights users on 7/27. 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.
Thu 8/206:20 am
ONT
- SIN
2 stops31h 40m
Delta
Thu 9/177:30 am
SIN
- ONT
2 stops30h 10m
Delta
Deal found 7/27![Delta logo]()
$834
This Korean Air deal was found by Cheapflights users on 7/27. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/276:20 am
ONT
- SIN
2 stops31h 40m
Korean Air
Wed 9/91:25 am
SIN
- ONT
2 stops30h 54m
Korean Air
Deal found 7/27![Korean Air logo]()
$840
This Delta deal was found by Cheapflights users on 7/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/296:20 am
ONT
- SIN
2 stops26h 35m
Delta
Thu 11/51:35 am
SIN
- ONT
2 stops36h 36m
Delta
Deal found 7/25![Delta logo]()
$846
This Korean Air deal was found by Cheapflights users on 7/27. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/236:20 am
ONT
- SIN
2 stops31h 40m
Korean Air
Thu 8/277:30 am
SIN
- ONT
2 stops24h 51m
Korean Air
Deal found 7/27![Korean Air logo]()
$852
This United Airlines deal was found by Cheapflights users on 7/26. 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.
Sun 9/207:13 pm
ONT
- SIN
1 stop20h 02m
United Airlines
Sun 10/48:45 am
SIN
- ONT
1 stop18h 33m
United Airlines
Deal found 7/26![United Airlines logo]()
$862
This Delta deal was found by Cheapflights users on 7/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/296:01 pm
ONT
- SIN
2 stops43h 59m
Delta
Sat 11/710:30 pm
SIN
- ONT
2 stops52h 47m
Delta
Deal found 7/26![Delta logo]()
$871
This United Airlines deal was found by Cheapflights users on 7/28. 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.
Thu 8/206:08 am
ONT
- SIN
1 stop21h 27m
United Airlines
Thu 9/178:45 am
SIN
- ONT
1 stop24h 26m
United Airlines
Deal found 7/28![United Airlines logo]()
$873
This United Airlines deal was found by Cheapflights users on 7/27. 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.
Sun 8/231:56 pm
ONT
- SIN
1 stop25h 19m
United Airlines
Thu 8/278:45 am
SIN
- ONT
2 stops27h 08m
United Airlines
Deal found 7/27![United Airlines logo]()
$877
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 July 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 July 28, 2026.
This Delta deal was found by Cheapflights users on 7/23. 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 9/65:05 pm
ONT
- SIN
2 stops44h 55m
Delta
Sun 9/1310:00 pm
SIN
- ONT
2 stops39h 40m
Delta
Deal found 7/23![Delta logo]()
$840
This United Airlines deal was found by Cheapflights users on 7/27. 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 8/276:08 am
ONT
- SIN
1 stop21h 27m
United Airlines
Thu 9/108:45 am
SIN
- ONT
1 stop24h 26m
United Airlines
Deal found 7/27![United Airlines logo]()
$873
This Korean Air deal was found by Cheapflights users on 7/23. 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.
Fri 9/256:20 am
ONT
- SIN
2 stops26h 35m
Korean Air
Wed 10/71:25 am
SIN
- ONT
2 stops30h 47m
Korean Air
Deal found 7/23![Korean Air logo]()
$884
This China Airlines deal was found by Cheapflights users on 7/25. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3012:10 am
ONT
- SIN
1 stop21h 25m
Multiple Airlines
Wed 11/411:25 am
SIN
- ONT
2 stops21h 40m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$1,212
This China Airlines deal was found by Cheapflights users on 7/28. 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.
Tue 9/1512:10 am
ONT
- SIN
2 stops29h 20m
China Airlines
Thu 9/242:00 am
SIN
- ONT
1 stop31h 00m
China Airlines
Deal found 7/28![China Airlines logo]()
$1,278
This United Airlines deal was found by Cheapflights users on 7/24. 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.
Mon 1/186:53 pm
ONT
- SIN
1 stop21h 07m
United Airlines
Mon 2/2210:10 am
SIN
- ONT
1 stop23h 37m
United Airlines
Deal found 7/24![United Airlines logo]()
$873
This United Airlines deal was found by Cheapflights users on 7/27. 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.
Wed 9/166:08 am
ONT
- SIN
1 stop21h 27m
United Airlines
Sat 9/268:45 am
SIN
- ONT
2 stops27h 13m
United Airlines
Deal found 7/27![United Airlines logo]()
$877
This United Airlines deal was found by Cheapflights users on 7/25. 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.
Thu 8/206:08 am
ONT
- SIN
1 stop21h 27m
United Airlines
Tue 8/258:45 am
SIN
- ONT
2 stops27h 08m
United Airlines
Deal found 7/25![United Airlines logo]()
$877
This United Airlines deal was found by Cheapflights users on 7/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/61:56 pm
ONT
- SIN
1 stop25h 19m
United Airlines
Sun 9/138:35 pm
SIN
- ONT
1 stop36h 36m
United Airlines
Deal found 7/23![United Airlines logo]()
$878
This China Airlines deal was found by Cheapflights users on 7/25. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/910:50 pm
ONT
- SIN
1 stop22h 15m
Multiple Airlines
Sat 1/3011:25 am
SIN
- ONT
2 stops21h 40m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$1,242
This United Airlines deal was found by Cheapflights users on 7/24. 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 8/206:08 am
ONT
- SIN
1 stop21h 27m
United Airlines
Tue 9/88:35 pm
SIN
- ONT
1 stop36h 41m
United Airlines
Deal found 7/24![United Airlines logo]()
$878
This United Airlines deal was found by Cheapflights users on 7/25. 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.
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 7/25![United Airlines logo]()
$882
Last-minute flights from Ontario to SingaporeDiscover last-minute flight deals from Ontario to Singapore. Data last updated July 28, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Singapore. Data last updated July 28, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 7/26. 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.
Wed 8/56:00 am
ONT
- SIN
1 stop21h 35m
United Airlines
Wed 8/126:15 am
SIN
- ONT
2 stops27h 01m
United Airlines
Deal found 7/26![United Airlines logo]()
$885
This United Airlines deal was found by Cheapflights users on 7/26. 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.
Sat 8/151:56 pm
ONT
- SIN
2 stops49h 44m
United Airlines
Sat 9/58:45 am
SIN
- ONT
1 stop26h 16m
United Airlines
Deal found 7/26![United Airlines logo]()
$887
This Delta deal was found by Cheapflights users on 7/27. 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.
Thu 8/206:20 am
ONT
- SIN
2 stops31h 40m
Delta
Thu 9/177:30 am
SIN
- ONT
2 stops30h 10m
Delta
Deal found 7/27![Delta logo]()
$834
This United Airlines deal was found by Cheapflights users on 7/28. 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.
Thu 8/206:08 am
ONT
- SIN
1 stop21h 27m
United Airlines
Thu 9/178:45 am
SIN
- ONT
1 stop24h 26m
United Airlines
Deal found 7/28![United Airlines logo]()
$873
This United Airlines deal was found by Cheapflights users on 7/24. 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 8/206:08 am
ONT
- SIN
1 stop21h 27m
United Airlines
Tue 9/88:35 pm
SIN
- ONT
1 stop36h 41m
United Airlines
Deal found 7/24![United Airlines logo]()
$878
This Delta deal was found by Cheapflights users on 7/27. 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.
Fri 8/216:20 am
ONT
- SIN
2 stops26h 35m
Delta
Thu 9/37:30 am
SIN
- ONT
2 stops30h 15m
Delta
Deal found 7/27![Delta logo]()
$846
This Korean Air deal was found by Cheapflights users on 7/27. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/236:20 am
ONT
- SIN
2 stops31h 40m
Korean Air
Thu 8/277:30 am
SIN
- ONT
2 stops24h 51m
Korean Air
Deal found 7/27![Korean Air logo]()
$852
This United Airlines deal was found by Cheapflights users on 7/27. 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.
Sun 8/231:56 pm
ONT
- SIN
1 stop25h 19m
United Airlines
Thu 8/278:45 am
SIN
- ONT
2 stops27h 08m
United Airlines
Deal found 7/27![United Airlines logo]()
$877
This Korean Air deal was found by Cheapflights users on 7/27. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/276:20 am
ONT
- SIN
2 stops31h 40m
Korean Air
Wed 9/91:25 am
SIN
- ONT
2 stops30h 54m
Korean Air
Deal found 7/27![Korean Air logo]()
$840
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 July 28, 2026.
Search for one-way flight options from Ontario to Singapore. Find affordable one-way fares based on user searches. Data last updated July 28, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/248:48 am
ONT
- SIN
1 stop43h 22m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$409
This Kissandfly.com deal was found by Cheapflights users on 7/23. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/36:20 am
ONT
- SIN
2 stops31h 40m
KLM
Deal found 7/23![KLM logo]()
$411
This Delta deal was found by Cheapflights users on 7/27. 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.
Thu 8/136:20 am
ONT
- SIN
2 stops31h 40m
Delta
Deal found 7/27![Delta logo]()
$412
This Korean Air deal was found by Cheapflights users on 7/26. 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.
Thu 10/16:20 am
ONT
- SIN
2 stops26h 35m
Korean Air
Deal found 7/26![Korean Air logo]()
$415
This Korean Air deal was found by Cheapflights users on 7/28. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:20 am
ONT
- SIN
2 stops25h 50m
Korean Air
Deal found 7/28![Korean Air logo]()
$416
This Delta deal was found by Cheapflights users on 7/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/25:10 pm
ONT
- SIN
2 stops44h 50m
Delta
Deal found 7/28![Delta logo]()
$423
This Delta deal was found by Cheapflights users on 7/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/306:01 pm
ONT
- SIN
2 stops38h 54m
Delta
Deal found 7/25![Delta logo]()
$424
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/53:27 pm
ONT
- SIN
2 stops38h 28m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$455
This Delta deal was found by Cheapflights users on 7/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/286:20 am
ONT
- SIN
2 stops31h 40m
Delta
Deal found 7/25![Delta logo]()
$456
This Korean Air deal was found by Cheapflights users on 7/24. 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 11/66:20 am
ONT
- SIN
2 stops25h 50m
Korean Air
Deal found 7/24![Korean Air logo]()
$459
This United Airlines deal was found by Cheapflights users on 7/27. 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 8/276:08 am
ONT
- SIN
1 stop21h 27m
United Airlines
Deal found 7/27![United Airlines logo]()
$461
This United Airlines deal was found by Cheapflights users on 7/25. 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.
Fri 8/76:00 am
ONT
- SIN
1 stop21h 35m
United Airlines
Deal found 7/25![United Airlines logo]()
$463
Find flight deals from Ontario to Singapore
Keep the following information in mind while searching for Ontario to Singapore flight deals. Data was last updated July 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $834 (Delta) |
One-way from | $409 (Kiwi.com) |
Popular in | December |
Cheapest in | August |
Average price | $1,133 |
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 July 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 9/6
5:05 pm-5:00 am
2 stops44h 55m
Singapore Changi
Sun 9/13
10:00 pm-10:40 pm
2 stops39h 40m
$840
OntarioSingapore
ONT - SIN
ONTSIN
Ontario
Thu 8/27
6:08 am-6:35 pm
1 stop21h 27m
Singapore Changi
Thu 9/10
8:45 am-6:11 pm
1 stop24h 26m
$873
OntarioSingapore
ONT - SIN
ONTSIN
Ontario
Mon 1/18
6:53 pm-8:00 am
1 stop21h 07m
Singapore Changi
Mon 2/22
10:10 am-5:47 pm
1 stop23h 37m
$873
OntarioSingapore
ONT - SIN
ONTSIN
Ontario
Wed 9/16
6:08 am-6:35 pm
1 stop21h 27m
Singapore Changi
Sat 9/26
8:45 am-8:58 pm
2 stops27h 13m
$877
OntarioSingapore
ONT - SIN
ONTSIN
Ontario
Thu 8/20
6:08 am-6:35 pm
1 stop21h 27m
Singapore Changi
Tue 8/25
8:45 am-8:53 pm
2 stops27h 08m
$877
OntarioSingapore
ONT - SIN
ONTSIN
Ontario
Sun 9/6
1:56 pm-6:15 am
1 stop25h 19m
Singapore Changi
Sun 9/13
8:35 pm-6:11 pm
1 stop36h 36m
$878
OntarioSingapore
ONT - SIN
ONTSIN
Ontario
Thu 8/20
6:08 am-6:35 pm
1 stop21h 27m
Singapore Changi
Tue 9/8
8:35 pm-6:16 pm
1 stop36h 41m
$878
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 9/25
6:20 am-11:55 pm
2 stops26h 35m
Singapore Changi
Wed 10/7
1:25 am-5:12 pm
2 stops30h 47m
$884
Quickest round-trip
OntarioSingapore
ONT - SIN
ONTSIN
Ontario
Wed 9/30
12:10 am-12:35 pm
1 stop21h 25m
Singapore Changi
Wed 11/4
11:25 am-5:05 pm
2 stops21h 40m
$1,212
Showing 1-10 of 24 resultsSorted by cheapest first
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
ONT-SG0
ONT-SIN
What is the cheapest month to book a flight from Ontario to Singapore?
Currently, October is the cheapest month in which you can book a flight from Ontario to Singapore (average of $887). 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.
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 July 28, 2026.
See what other customers who have flown with STARLUX Airlines,China Airlines, andUnited Airlines from Ontario to Singapore have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
8.6
Crew
9.1
Comfort
8.8
Entertainment
8.7
Boarding
8.9
Overall
8.8
Reviews
1 / 14
8.0
ExcellentAndrew,Jun 2026
SEA - TPE
Food
8.6
Crew
9.1
Comfort
8.8
Entertainment
8.7
Boarding
8.9
Overall
8.8
Reviews
1 / 14
8.0
ExcellentAndrew,Jun 2026
SEA - TPE
Food
8.6
Crew
9.1
Comfort
8.8
Entertainment
8.7
Boarding
8.9
Overall
8.8
Reviews
1 / 14
8.0
ExcellentAndrew,Jun 2026
SEA - TPE
Food
8.6
Crew
9.1
Comfort
8.8
Entertainment
8.7
Boarding
8.9
Overall
8.8
Reviews
1 / 14
8.0
ExcellentAndrew,Jun 2026
SEA - TPE
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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 July 28, 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$1,169 | FlexibilityNo cancel fee | On-time70% |