Find cheap flights to Ontario from $275
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Find deals from Columbus to Ontario
Find one-way and return tickets at the lowest prices, whether last-minute or planned in advance.
Find deals from Columbus to Ontario
Find one-way and return tickets at the lowest prices, whether last-minute or planned in advance.
Cheapest time to fly from Columbus to Ontario
Flexible with dates? We find the best prices for the week around your selected date. Prices may vary after you search.
One-way
| Mon, Jun 8 - Mon, Jun 15 | $235 |
| Tue, Jun 16 - Tue, Jun 23 | $199 |
| Wed, Jun 24 - Tue, Jun 30 | $173 |
| Wed, Jul 1 - Tue, Jul 7 | $137 |
| Wed, Jul 8 - Wed, Jul 15 | $125 |
| Thu, Jul 16 - Thu, Jul 23 | $128 |
| Fri, Jul 24 - Fri, Jul 31 | $126 |
| Sat, Aug 1 - Fri, Aug 7 | $127 |
| Sat, Aug 8 - Sat, Aug 15 | $117 |
| Sun, Aug 16 - Sun, Aug 23 | $119 |
| Mon, Aug 24 - Mon, Aug 31 | $112 |
Round-trip
| Mon, Jun 8 - Mon, Jun 15 | $356 |
| Tue, Jun 16 - Tue, Jun 23 | $282 |
| Wed, Jun 24 - Tue, Jun 30 | $160 |
| Wed, Jul 1 - Tue, Jul 7 | $97 |
| Wed, Jul 8 - Wed, Jul 15 | $95 |
| Thu, Jul 16 - Thu, Jul 23 | $111 |
| Fri, Jul 24 - Fri, Jul 31 | $97 |
| Sat, Aug 1 - Fri, Aug 7 | $112 |
| Sat, Aug 8 - Sat, Aug 15 | $112 |
| Sun, Aug 16 - Sun, Aug 23 | $113 |
| Mon, Aug 24 - Mon, Aug 31 | $114 |
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 | 32°C | 19°C |
| August | 33°C | 20°C |
| September | 31°C | 18°C |
| October | 27°C | 14°C |
| November | 22°C | 10°C |
| December | 17°C | 7°C |
14 day forecast
Flight connections and travel options
Browse routes from top origins with quick connections
Non-stop flights to Ontario
Explore all available direct routes to Ontario from airports around the world.
Top airlines flying to Ontario
Compare leading airlines serving Ontario.
Airports in and near Ontario
Ontario’s main airport is the primary hub, with nearby airports offering additional options.
- Los Angeles International airport (LAX)
- Tijuana International airport (TIJ)
- San Diego International airport (SAN)
- John Wayne airport (SNA)
- Ontario International airport (ONT)
- Hollywood Burbank airport (BUR)
- Palm Springs International airport (PSP)
- Santa Barbara Municipal airport (SBA)
- San Bernardino International Airport airport (SBD)
- Long Beach airport (LGB)
- McClellan–Palomar airport (CLD)
- Meadows Field airport (BFL)
- Hawthorne Municipal airport (HHR)
- Imperial County airport (IPL)
Popular flights from Ontario
Find cheap tickets from Ontario to the top departure hubs