Find cheap flights to Ontario from $251
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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
| Wed, Apr 1 - Tue, Apr 7 | $245 |
| Wed, Apr 8 - Wed, Apr 15 | $207 |
| Thu, Apr 16 - Thu, Apr 23 | $131 |
| Fri, Apr 24 - Thu, Apr 30 | $93 |
| Fri, May 1 - Thu, May 7 | $87 |
| Fri, May 8 - Fri, May 15 | $90 |
| Sat, May 16 - Sat, May 23 | $98 |
| Sun, May 24 - Sun, May 31 | $101 |
| Mon, Jun 1 - Sun, Jun 7 | $95 |
| Mon, Jun 8 - Mon, Jun 15 | $105 |
| Tue, Jun 16 - Tue, Jun 23 | $129 |
| Wed, Jun 24 - Tue, Jun 30 | $140 |
Round-trip
| Wed, Apr 1 - Tue, Apr 7 | $336 |
| Wed, Apr 8 - Wed, Apr 15 | $189 |
| Thu, Apr 16 - Thu, Apr 23 | $67 |
| Fri, Apr 24 - Thu, Apr 30 | $65 |
| Fri, May 1 - Thu, May 7 | $65 |
| Fri, May 8 - Fri, May 15 | $72 |
| Sat, May 16 - Sat, May 23 | $77 |
| Sun, May 24 - Sun, May 31 | $70 |
| Mon, Jun 1 - Sun, Jun 7 | $66 |
| Mon, Jun 8 - Mon, Jun 15 | $77 |
| Tue, Jun 16 - Tue, Jun 23 | $100 |
| Wed, Jun 24 - Tue, Jun 30 | $126 |
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
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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)
- Hollywood Burbank airport (BUR)
- Ontario International airport (ONT)
- Palm Springs International airport (PSP)
- San Bernardino International Airport airport (SBD)
- Long Beach airport (LGB)
- Santa Barbara Municipal airport (SBA)
- Imperial County airport (IPL)
- McClellan–Palomar airport (CLD)
- Hawthorne Municipal airport (HHR)
- Meadows Field airport (BFL)
Popular flights from Ontario
Find cheap tickets from Ontario to the top departure hubs