ONT - SIN

$413 Find Cheap Flights from Ontario to Singapore - Compare and Save

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Everything you should know

Cheapest round-trip
$836
Typical prices: $967-$1,373
Delta
Sat 11/3Sun 2/25
ONT - SIN • 2 stops
Cheapest one-way
$413
Typical prices: $464-$669
Delta
Tue 12/4
ONT - SIN • 2 stops
Nonstop flights
Not available
There are currently no direct flights between Ontario and Singapore. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
April
Cheapest • 27% price drop
November
Most popular
Good to know
+1
Good to know
+1
Top layover airports
San Francisco (SFO)
Cheapest • Avg $1,107 (round-trip)
Taipei City Taiwan Taoyuan Intl (TPE)
Shortest trip • 20h 39m (one-way)
Insights
Insights
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Flight Deals

Cheap Flights from Ontario to Singapore (ONT-SIN)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Ontario to Singapore

Tue, Nov 3 - Thu, Feb 25
Delta Logo
6:00 am - 12:10 amONT  Ontario-SIN Singapore Changi
26h 10m2 stops Salt Lake City Incheon Intl
Delta Logo
1:35 am - 4:12 pmSIN  Singapore Changi-ONT Ontario
30h 37m2 stops Incheon Intl Salt Lake City
$836Delta
Mon, Nov 2 - Mon, Feb 22
Delta Logo
6:20 am - 5:00 amONT  Ontario-SIN Singapore Changi
30h 40m2 stops Seattle/Tacoma Intl Incheon Intl
Delta Logo
10:30 pm - 4:12 pmSIN  Singapore Changi-ONT Ontario
33h 42m2 stops Incheon Intl Salt Lake City
$836Delta
Mon, Nov 2 - Mon, Feb 22
Delta Logo
6:20 am - 5:00 amONT  Ontario-SIN Singapore Changi
30h 40m2 stops Seattle/Tacoma Intl Incheon Intl
Delta Logo
1:35 am - 4:12 pmSIN  Singapore Changi-ONT Ontario
30h 37m2 stops Incheon Intl Salt Lake City
$836Delta
Sat, Oct 24 - Mon, Nov 9
United Airlines Logo
4:03 pm - 7:00 amONT  Ontario-SIN Singapore Changi
23h 57m1 stop San Francisco
United Airlines Logo
10:10 am - 12:29 pmSIN  Singapore Changi-ONT Ontario
18h 19m1 stop San Francisco
$861United Airlines
Sat, Oct 24 - Mon, Nov 9
United Airlines Logo
4:03 pm - 7:00 amONT  Ontario-SIN Singapore Changi
23h 57m1 stop San Francisco
United Airlines Logo
10:10 am - 12:29 pmSIN  Singapore Changi-ONT Ontario
18h 19m1 stop San Francisco
$864United Airlines
Sat, Sep 19 - Tue, Sep 22
United Airlines Logo
1:18 pm - 6:35 pmONT  Ontario-SIN Singapore Changi
38h 17m2 stops Denver Intl San Francisco
United Airlines Logo
8:35 pm - 8:01 pmSIN  Singapore Changi-ONT Ontario
38h 26m1 stop San Francisco
$865United Airlines
Sat, Sep 19 - Sat, Oct 3
China Airlines Logo
12:10 am - 12:30 pmONT  Ontario-SIN Singapore Changi
21h 20m1 stop Taipei City Taiwan Taoyuan Intl
China Airlines Logo
2:00 am - 6:00 pmSIN  Singapore Changi-ONT Ontario
31h 00m1 stop Taipei City Taiwan Taoyuan Intl
$993China Airlines
Sat, Sep 19 - Mon, Oct 5
China Airlines Logo
12:10 am - 12:30 pmONT  Ontario-SIN Singapore Changi
21h 20m1 stop Taipei City Taiwan Taoyuan Intl
China Airlines Logo
1:55 pm - 6:00 pmSIN  Singapore Changi-ONT Ontario
19h 05m1 stop Taipei City Taiwan Taoyuan Intl
$994China Airlines
Fri, Oct 2 - Fri, Oct 9
STARLUX Airlines Logo
11:30 pm - 12:40 pmONT  Ontario-SIN Singapore Changi
22h 10m1 stop Taipei City Taiwan Taoyuan Intl
STARLUX Airlines Logo
2:00 pm - 5:05 pmSIN  Singapore Changi-ONT Ontario
18h 05m1 stop Taipei City Taiwan Taoyuan Intl
$1,008STARLUX Airlines
Fri, Sep 25 - Wed, Oct 7
STARLUX Airlines Logo
11:30 pm - 12:40 pmONT  Ontario-SIN Singapore Changi
22h 10m1 stop Taipei City Taiwan Taoyuan Intl
STARLUX Airlines Logo
2:00 pm - 5:05 pmSIN  Singapore Changi-ONT Ontario
18h 05m1 stop Taipei City Taiwan Taoyuan Intl
$1,008STARLUX Airlines
Booking Insights

Price, demand and travel trends for Ontario to Singapore flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Ontario to Singapore with more confidence.

How much is a round-trip flight from Ontario to Singapore?

Round-trip flights from Ontario to Singapore start at $836. Prices are below average for this route right now, with typical round-trip fares ranging from $967 to $1,373. The lowest price found in the past 5 days was $836 on Delta.

What's the cheapest day of the week to fly from Ontario to Singapore?

Tuesday is the cheapest day of the week to fly from Ontario to Singapore, it is 10% cheaper than the average day. Thursday is the most expensive day with flight prices 21% higher than average. Based on deals found by KAYAK users in the last 12 months.

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Key details for Ontario to Singapore flights

Low season

May

Cheapest flight

$413
Best time to beat the crowds but there is an average 21% increase in price.
Most popular time to fly and prices are also 10% lower on average.
Flight from Ontario to Singapore

When to book flights from Ontario to Singapore

Are your dates flexible? Find out the best times to travel from Ontario to Singapore based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Ontario to Singapore flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from Ontario to Singapore?

    Flights from Ontario to Singapore usually depart from Ontario (ONT) and arrive at Singapore Changi (SIN).

  • What cabin classes can I book on flights from Ontario to Singapore?

    Three cabin classes are available on flights from Ontario to Singapore:

    • Economy Class
    • Premium Economy Class
    • Business Class

  • Which airports do connecting flights from Ontario to Singapore pass through?

    Connecting flights from Ontario to Singapore most commonly pass through:

    • Taipei City Taiwan Taoyuan Intl (TPE) - 63% of one-stop connections
    • San Francisco (SFO) - 37% of one-stop connections
    Together, these airports account for 100% of one-stop bookings on this route.

  • Can I save money by using flexible dates for flights from Ontario to Singapore?

    Yes. Being flexible with your travel dates can save you up to 26% on the Ontario to Singapore route. Tuesday is the cheapest departure day at $967 round-trip on average, while Thursday is the most expensive at $1,300, a difference of $333. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What popular places can I visit in Singapore?

    Some of the most popular sights in Singapore are Marina Bay Sands, Marina Bay and Sentosa. These are among the most viewed places in Singapore on KAYAK.

  • How long is a flight from Ontario to Singapore?

    A nonstop flight from Ontario to Singapore takes 0h 00m, covering 8,791 miles.

  • Do I need a passport to fly from Ontario to Singapore?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How are flight prices from Ontario to Singapore looking right now?

    One-way fares from Ontario to Singapore are currently lower than usual. Average one-way flight prices are about $485, which is 11% below the typical average for this route.

  • How much time can I save by choosing a different layover airport from Ontario to Singapore?

    Flying via Taipei City Taiwan Taoyuan Intl (TPE) gives the shortest average 1-stop total travel time at 20h 39m, compared with 21h 00m via San Francisco (SFO).

  • What is the time difference between Ontario and Singapore?

    Singapore is 15 hours ahead of Ontario (Singapore Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Singapore Changi Airport (SIN)?

    Singapore Changi Airport (SIN) hosts 5 major car rental companies, with daily rates starting from around $59 for economy cars. Top options include:
    · Avis
    · Sixt
    · Thrifty
    · Hertz
    · Europcar

  • How much should I expect to pay for a Ontario to Singapore flight?

    Round-trip flights from Ontario to Singapore range from $967 to $1,373, with an average of $1,074 over the past 12 months. Anything below $967 counts as a good deal.

Your guide to booking Ontario to Singapore flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Tuesday departure instead of Thursday. On this route, Tuesday flights average $967 - about $333 less than Thursday (26% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Ontario to Singapore trip for April. Fares historically average $783 round-trip in that month - typically $1,226 less than the most expensive month, which is August (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Singapore Changi Airport.
    - Crowne Plaza Changi Airport by IHG
    - Yotelair Singapore Changi Airport
    - Changi Transit Hotel Terminal 1

Everything you need to know for your flight from Ontario to Singapore

Information on your arrival and departure airports

Ontario (ONT)
Singapore (SIN)