Facts about flights from Washington to Ontario
- The average number of stop(s) between Washington and Ontario is 1
- Frontier Airlines offers the cheapest deal (flight F9537) between Washington and Ontario at $167.98
- It is on average $285.10 for a 2 stop(s) flight between Washington and Ontario
- Usually, people stay 8 days when travelling from Washington to Ontario
- The cheapest month to fly between Washington and Ontario is january
- The average cost for 1 stop(s) flight from Washington to Ontario is $371.78