Your next trip, last seen at €720
United Airlines · 1 stop · 7 nightsWhen to fly
Explore datesMore dates worth a look
Find the dates that work for you
The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.
- Lowest observed
- €720, departing 21 Oct 2026 (Last checked: 7 Oct 2026)One-way fareCheck live prices for this route
- Airlines seen
- China Airlines, United Airlines
- Typical journey time
- 30h
About this route
Explore the fares we observed from Ontario to Singapore. Prices move often, so pick your dates to see the latest options.
- Route distance
- 14,168 km
- Typical journey time
- 30h
- Airlines seen
- China Airlines, United Airlines
- Seen on fares with a connection
- United Airlines, China Airlines
- Alternative airports
- XSP
Route-level information; individual journeys vary.
We have not observed non-stop service on this route; the fares shown include at least one stop.
A clearer picture of your fare
Airport to city: straight-line distance
- Ontario International Airport (ONT) → Ontario, city gazetteer reference point (34.0500, -117.6400): ≈ 4 km.
- Seletar Airport (XSP) → Singapore, city gazetteer reference point (1.3521, 103.8198): ≈ 9 km.
- Singapore Changi Airport (SIN) → Singapore, city gazetteer reference point (1.3521, 103.8198): ≈ 19 km.
Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.
Lowest one-way fare we saw per airline
Cheapest airline from Ontario to Singapore: Korean Air, from €338 (checked 12 Oct 2026).
| Airline | Lowest fare | Priced days |
|---|---|---|
| Korean Air | €338Oct 28, 2026 | 53 |
| United Airlines | €436Nov 11, 2026 | 10 |
| Frontier Airlines | €451Jan 9, 2027 | 5 |
One-way fares checked in the last 14 days. An airline listed here had a fare on at least 3 departure days. Each figure is the lowest we saw, not a guaranteed fare. Connecting itineraries are included; the date is the departure day of that fare.
Frequently asked
How much is a flight from Ontario to Singapore?
The lowest fare we have observed is €720, found on 7 Oct 2026. Prices move, so read it as a floor rather than a quote.
When is the cheapest month to fly from Ontario to Singapore?
In our observations October 2026 is the cheapest month so far, at €720.
Are there direct flights from Ontario to Singapore?
Our data holds no non-stop flight from Ontario to Singapore. The fares on this page include at least one stop.
Which airlines fly from Ontario to Singapore?
These are the carriers we have seen on the route: China Airlines, United Airlines.
How many of the observed Ontario to Singapore fares were non-stop?
None of the 3 fares we observed was non-stop; every one included at least one stop. That describes our observations, not every flight that operates.
Which airline has the lowest fare from Ontario to Singapore?
Cheapest airline from Ontario to Singapore: Korean Air, from €338 (checked 12 Oct 2026).
How observed prices work, what "No data" means and what a fare includes: Read the flight price guide
Keep exploring
Similar routes
More routes from Ontario
Show all 30 routes →Show fewer ↑
More routes to Singapore
Show all 30 routes →Show fewer ↑
Recently observed fares. Prices may change.
Last checked: 12 Oct 2026