Cheapest one-way flights from Ontario to Madrid in April from $478
AirHint found the following cheapest one-way flights from Ontario (ONT) to Madrid (MAD) in April 2025 (see full year).
One-Way flights
| 30 Apr | Frontier Airlines | ||
| 23 Apr | Frontier Airlines | ||
| 22 Apr | Frontier Airlines | ||
| 24 Apr | Volaris | ||
| 27 Apr | Frontier Airlines | ||
| 28 Apr | British Airways | ||
| 25 Apr | British Airways | ||
| 26 Apr | British Airways |
Also check the deals for return flights from Ontario to Madrid in April.
The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.
