Facts about flights from Washington to Ontario
- There is on average 1 stop(s) when flying between Washington and Ontario
- It is on average $234.15 for a 1 stop(s) flight between Washington and Ontario
- Frontier Airlines offers the cheapest deal (flight F9685) between Washington and Ontario at $184.98
- Frontier Airlines offers the best deal (flight F94277) between Washington and Ontario : 8h 22m at $167.98
- It is on average $232.92 for a 2 stop(s) flight between Washington and Ontario
- When flying from Washington to Ontario, the most popular gateway is Denver International (DEN)
