$400+ 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 7/29. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — SIN
Jul 8 — Jul 151
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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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 8, 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 8, 2026.
This Delta deal was found by Cheapflights users on 6/8. 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 stops26h 35m
Delta
Thu 9/177:30 am
SIN
- ONT
2 stops31h 07m
Delta
Deal found 6/8![Delta logo]()
$834
This Delta deal was found by Cheapflights users on 6/3. 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 10/306:00 am
ONT
- SIN
2 stops27h 10m
Delta
Mon 11/910:30 pm
SIN
- ONT
2 stops34h 47m
Delta
Deal found 6/3![Delta logo]()
$835
This Korean Air deal was found by Cheapflights users on 6/3. 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 10/277:00 am
ONT
- SIN
2 stops31h 00m
Korean Air
Thu 10/2910:30 pm
SIN
- ONT
2 stops33h 47m
Korean Air
Deal found 6/3![Korean Air logo]()
$840
This United Airlines deal was found by Cheapflights users on 6/3. 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 10/296:00 am
ONT
- SIN
1 stop23h 15m
United Airlines
Tue 11/310:10 am
SIN
- ONT
1 stop18h 10m
United Airlines
Deal found 6/3![United Airlines logo]()
$873
This United Airlines deal was found by Cheapflights users on 6/6. 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 10/296:00 am
ONT
- SIN
1 stop23h 15m
United Airlines
Mon 11/210:20 pm
SIN
- ONT
2 stops30h 13m
United Airlines
Deal found 6/6![United Airlines logo]()
$877
This United Airlines deal was found by Cheapflights users on 6/5. 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 9/178:35 pm
SIN
- ONT
2 stops31h 15m
United Airlines
Deal found 6/5![United Airlines logo]()
$878
This United Airlines deal was found by Cheapflights users on 6/4. 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 11/106:00 am
ONT
- SIN
2 stops26h 55m
United Airlines
Tue 11/1710:10 am
SIN
- ONT
1 stop21h 17m
United Airlines
Deal found 6/4![United Airlines logo]()
$893
This United Airlines deal was found by Cheapflights users on 6/5. 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
Tue 12/86:35 am
SIN
- ONT
2 stops21h 45m
United Airlines
Deal found 6/5![United Airlines logo]()
$897
This BusinessClass deal was found by Cheapflights users on 6/6. 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.
Tue 8/256:00 am
ONT
- SIN
1 stop21h 35m
Multiple Airlines
Thu 9/248:45 am
SIN
- ONT
1 stop18h 33m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$925
This ANA deal was found by Cheapflights users on 6/4. 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 ANA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/269:01 am
ONT
- SIN
2 stops24h 44m
Multiple Airlines
Sun 9/611:05 am
SIN
- ONT
2 stops23h 56m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$926
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 8, 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 8, 2026.
This Delta deal was found by Cheapflights users on 6/6. 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 8/206:00 am
ONT
- SIN
2 stops46h 15m
Delta
Thu 9/177:30 am
SIN
- ONT
2 stops30h 10m
Delta
Deal found 6/6![Delta logo]()
$834
This United Airlines deal was found by Cheapflights users on 6/6. 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 stop24h 26m
United Airlines
Deal found 6/6![United Airlines logo]()
$882
This China Airlines deal was found by Cheapflights users on 6/8. 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 11/110:50 pm
ONT
- SIN
1 stop33h 50m
Multiple Airlines
Wed 11/1811:05 am
SIN
- ONT
2 stops21h 45m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$1,350
This Korean Air deal was found by Cheapflights users on 6/6. 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 7/66:20 am
ONT
- SIN
2 stops26h 35m
Korean Air
Sat 7/1810:00 pm
SIN
- ONT
2 stops39h 52m
Korean Air
Deal found 6/6![Korean Air logo]()
$1,435
This Qatar Airways deal was found by Cheapflights users on 6/4. 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.
Sun 9/62:27 pm
ONT
- SIN
2 stops34h 18m
Qatar Airways
Sat 9/123:15 am
SIN
- ONT
2 stops35h 09m
Qatar Airways
Deal found 6/4![Qatar Airways logo]()
$1,533
This United Airlines deal was found by Cheapflights users on 6/8. 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 6/236:00 am
ONT
- SIN
1 stop21h 35m
United Airlines
Thu 7/98:45 am
SIN
- ONT
1 stop24h 09m
United Airlines
Deal found 6/8![United Airlines logo]()
$1,112
This Delta deal was found by Cheapflights users on 6/4. 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
Sat 7/2510:00 pm
SIN
- ONT
2 stops49h 47m
Delta
Deal found 6/4![Delta logo]()
$1,264
This United Airlines deal was found by Cheapflights users on 6/8. 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 7/86:00 am
ONT
- SIN
1 stop21h 35m
United Airlines
Sun 7/268:35 pm
SIN
- ONT
1 stop41h 02m
United Airlines
Deal found 6/8![United Airlines logo]()
$1,168
This China Airlines deal was found by Cheapflights users on 6/3. 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 10/3011:50 pm
ONT
- SIN
1 stop22h 15m
Multiple Airlines
Thu 12/2411:05 am
SIN
- ONT
2 stops21h 45m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$1,398
This Delta deal was found by Cheapflights users on 6/3. 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 7/185:10 pm
ONT
- SIN
2 stops59h 05m
Delta
Sat 7/2510:00 pm
SIN
- ONT
2 stops49h 47m
Delta
Deal found 6/3![Delta logo]()
$1,314
This United Airlines deal was found by Cheapflights users on 6/5. 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 9/256:00 am
ONT
- SIN
1 stop21h 35m
United Airlines
Fri 10/211:05 am
SIN
- ONT
2 stops45h 41m
United Airlines
Deal found 6/5![United Airlines logo]()
$1,360
This United Airlines deal was found by Cheapflights users on 6/8. 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 7/131:50 pm
ONT
- SIN
1 stop25h 25m
United Airlines
Sat 7/258:35 pm
SIN
- ONT
1 stop41h 02m
United Airlines
Deal found 6/8![United Airlines logo]()
$1,402
Last-minute flights from Ontario to SingaporeDiscover last-minute flight deals from Ontario to Singapore. Data last updated June 8, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Singapore. Data last updated June 8, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 6/8. 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 7/129:40 am
ONT
- SIN
2 stops47h 15m
Delta
Tue 7/287:30 am
SIN
- ONT
2 stops30h 22m
Delta
Deal found 6/8![Delta logo]()
$1,010
This Delta deal was found by Cheapflights users on 6/8. 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 7/129:40 am
ONT
- SIN
2 stops47h 15m
Delta
Mon 7/2710:00 pm
SIN
- ONT
2 stops52h 17m
Delta
Deal found 6/8![Delta logo]()
$1,017
This Delta deal was found by Cheapflights users on 6/8. 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 7/121:00 pm
ONT
- SIN
2 stops63h 15m
Delta
Fri 7/241:25 am
SIN
- ONT
2 stops36h 27m
Delta
Deal found 6/8![Delta logo]()
$1,060
This Delta deal was found by Cheapflights users on 6/8. 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 7/136:00 am
ONT
- SIN
2 stops26h 55m
Delta
Tue 7/211:25 am
SIN
- ONT
2 stops36h 27m
Delta
Deal found 6/8![Delta logo]()
$1,004
This Delta deal was found by Cheapflights users on 6/8. 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 7/136:20 am
ONT
- SIN
2 stops26h 35m
Delta
Mon 7/2710:00 pm
SIN
- ONT
2 stops52h 17m
Delta
Deal found 6/8![Delta logo]()
$1,011
This Delta deal was found by Cheapflights users on 6/8. 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 7/136:20 am
ONT
- SIN
2 stops26h 35m
Delta
Fri 7/241:25 am
SIN
- ONT
2 stops36h 27m
Delta
Deal found 6/8![Delta logo]()
$1,054
This Delta deal was found by Cheapflights users on 6/6. 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 7/166:20 am
ONT
- SIN
2 stops45h 55m
Delta
Wed 7/221:25 am
SIN
- ONT
2 stops30h 56m
Delta
Deal found 6/6![Delta logo]()
$984
This Korean Air deal was found by Cheapflights users on 6/7. 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 7/166:20 am
ONT
- SIN
2 stops45h 55m
Korean Air
Fri 7/241:25 am
SIN
- ONT
2 stops30h 56m
Korean Air
Deal found 6/7![Korean Air logo]()
$994
This United Airlines deal was found by Cheapflights users on 6/6. 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 7/166:00 am
ONT
- SIN
1 stop21h 35m
United Airlines
Thu 7/238:35 pm
SIN
- ONT
1 stop41h 02m
United Airlines
Deal found 6/6![United Airlines logo]()
$1,063
This Korean Air deal was found by Cheapflights users on 6/4. 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 7/166:20 am
ONT
- SIN
2 stops45h 55m
Korean Air
Sun 7/2610:00 pm
SIN
- ONT
2 stops39h 52m
Korean Air
Deal found 6/4![Korean Air logo]()
$1,065
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 8, 2026.
Search for one-way flight options from Ontario to Singapore. Find affordable one-way fares based on user searches. Data last updated June 8, 2026.
This SmartFares deal was found by Cheapflights users on 6/4. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/296:20 am
ONT
- SIN
2 stops26h 35m
Korean Air
Deal found 6/4![Korean Air logo]()
$400
This SmartFares deal was found by Cheapflights users on 6/6. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:20 am
ONT
- SIN
2 stops26h 35m
Korean Air
Deal found 6/6![Korean Air logo]()
$401
This Delta deal was found by Cheapflights users on 6/3. 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 7/166:20 am
ONT
- SIN
2 stops45h 55m
Delta
Deal found 6/3![Delta logo]()
$412
This Jettzy deal was found by Cheapflights users on 6/4. 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.
Fri 8/76:20 am
ONT
- SIN
2 stops31h 40m
Korean Air
Deal found 6/4![Korean Air logo]()
$415
This Delta deal was found by Cheapflights users on 6/4. 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 10/157:00 am
ONT
- SIN
2 stops25h 55m
Delta
Deal found 6/4![Delta logo]()
$420
This Delta deal was found by Cheapflights users on 6/8. 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 7/151:00 pm
ONT
- SIN
2 stops63h 15m
Delta
Deal found 6/8![Delta logo]()
$423
This Delta deal was found by Cheapflights users on 6/3. 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 7/186:01 pm
ONT
- SIN
2 stops58h 14m
Delta
Deal found 6/3![Delta logo]()
$432
This United Airlines deal was found by Cheapflights users on 6/4. 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 8/91:50 pm
ONT
- SIN
1 stop25h 25m
United Airlines
Deal found 6/4![United Airlines logo]()
$463
This SmartFares deal was found by Cheapflights users on 6/4. 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 SmartFares 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
Korean Air
Deal found 6/4![Korean Air logo]()
$465
This United Airlines deal was found by Cheapflights users on 6/4. 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 9/47:13 pm
ONT
- SIN
2 stops44h 27m
United Airlines
Deal found 6/4![United Airlines logo]()
$473
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 June 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $834 (Delta) |
One-way from | $400 (SmartFares) |
Popular in | December |
Cheapest in | September |
Average price | $1,219 |
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 8, 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
Thu 8/20
6:00 am-7:15 pm
2 stops46h 15m
Singapore Changi
Thu 9/17
7:30 am-10:40 pm
2 stops30h 10m
$834
OntarioSingapore
ONT - SIN
ONTSIN
Ontario
Thu 8/20
6:00 am-6:40 am
2 stops33h 40m
Singapore Changi
Thu 9/17
8:45 am-6:11 pm
1 stop24h 26m
$882
OntarioSingapore
ONT - SIN
ONTSIN
Ontario
Tue 6/23
6:00 am-6:35 pm
1 stop21h 35m
Singapore Changi
Thu 7/9
8:45 am-5:54 pm
1 stop24h 09m
$1,112
OntarioSingapore
ONT - SIN
ONTSIN
Ontario
Wed 7/8
6:00 am-6:35 pm
1 stop21h 35m
Singapore Changi
Sun 7/26
8:35 pm-10:37 pm
1 stop41h 02m
$1,168
OntarioSingapore
ONT - SIN
ONTSIN
Ontario
Wed 7/15
9:40 am-7:15 pm
2 stops66h 35m
Singapore Changi
Sat 7/25
10:00 pm-8:47 am
2 stops49h 47m
$1,264
OntarioSingapore
ONT - SIN
ONTSIN
Ontario
Sat 7/18
5:10 pm-7:15 pm
2 stops59h 05m
Singapore Changi
Sat 7/25
10:00 pm-8:47 am
2 stops49h 47m
$1,314
OntarioSingapore
ONT - SIN
ONTSIN
Ontario
Sun 11/1
10:50 pm-12:40 am
1 stop33h 50m
Singapore Changi
Wed 11/18
11:05 am-4:50 pm
2 stops21h 45m
$1,350
OntarioSingapore
ONT - SIN
ONTSIN
Ontario
Fri 9/25
6:00 am-6:35 pm
1 stop21h 35m
Singapore Changi
Fri 10/2
11:05 am-5:46 pm
2 stops45h 41m
$1,360
Quickest round-trip
OntarioSingapore
ONT - SIN
ONTSIN
Ontario
Fri 10/30
11:50 pm-1:05 pm
1 stop22h 15m
Singapore Changi
Thu 12/24
11:05 am-4:50 pm
2 stops21h 45m
$1,398
OntarioSingapore
ONT - SIN
ONTSIN
Ontario
Mon 7/13
1:50 pm-6:15 am
1 stop25h 25m
Singapore Changi
Sat 7/25
8:35 pm-10:37 pm
1 stop41h 02m
$1,402
Showing 1-10 of 23 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, March is the cheapest month in which you can book a flight from Ontario to Singapore (average of $628). Flying from Ontario to Singapore in June is currently the most expensive (average of $1,408). 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 June 8, 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.
Crew
9.1
Comfort
8.9
Entertainment
8.8
Overall
8.9
Food
8.6
Boarding
8.9
Reviews
1 / 13
10.0
ExcellentAnonymous,Jun 2026
LAX - TPE
Crew
9.1
Comfort
8.9
Entertainment
8.8
Overall
8.9
Food
8.6
Boarding
8.9
Reviews
1 / 13
10.0
ExcellentAnonymous,Jun 2026
LAX - TPE
Crew
9.1
Comfort
8.9
Entertainment
8.8
Overall
8.9
Food
8.6
Boarding
8.9
Reviews
1 / 13
10.0
ExcellentAnonymous,Jun 2026
LAX - TPE
Crew
9.1
Comfort
8.9
Entertainment
8.8
Overall
8.9
Food
8.6
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 8, 2026.
Popular flight searches
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Ontario to Singapore flights
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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 June 8, 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% |