Cheap flights from Washington, D.C., United States to Ontario, United States
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Tips to know when travelling to Ontario
Cheapest one-way trip | $349 |
---|---|
Cheapest round-trip | $606 |
Average round-trip | $776 |
Most popular airline | United Airlines |
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Travelers usually depart from Washington Dulles International, Baltimore–Washington International, or Ronald Reagan Washington National when they travel from Washington, D.C. to Ontario. The most popular airlines for this route are United Airlines, and Alaska Airlines. Washington, D.C. and Ontario have 40 direct flights per week.
Check-in for a flight from Washington, D.C. to Ontario
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
United Airlines | UAL | UA | Yes | No |
Alaska Airlines | ASA | AS | No | Opens 24 days before flight Closes 1 hours before flight |
Weather in Ontario
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 18°C | 7°C |
February | 18°C | 7°C |
March | 20°C | 8°C |
April | 23°C | 10°C |
May | 25°C | 12°C |
June | 29°C | 16°C |
July | 33°C | 19°C |
August | 33°C | 20°C |
September | 32°C | 18°C |
October | 27°C | 15°C |
November | 22°C | 10°C |
December | 17°C | 7°C |
14 day forecast
Frequently asked questions
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Flights to Ontario
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Airports near Washington, D.C.
- Philadelphia International
- Washington Dulles International
- Baltimore–Washington International
- Norfolk International
- Richmond International
- Ronald Reagan Washington National
- Atlantic City International
- Lehigh Valley International
- Trenton–Mercer
- Harrisburg International