Cheap flights from Ontario, CA to Harlingen, TX
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Most popular airline | United Airlines |
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Travelers usually depart from Ontario International, or Montclair (Ontario) when they travel from Ontario to Harlingen. The most popular airlines for this route are United Airlines, Sun Country Airlines, Alaska Airlines, and Ravn Alaska. Ontario and Harlingen have 36 direct flights per week.
Check-in for a flight from Ontario to Harlingen
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
United Airlines | UAL | UA | Yes | No |
Sun Country Airlines | SCX | SY | Yes | No |
Alaska Airlines | ASA | AS | No | Opens 24 days before flight Closes 1 hours before flight |
Ravn Alaska | 7H | Yes | Opens 24 days before flight Closes 2 hours before flight |
Weather in Harlingen
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 21°C | 13°C |
February | 22°C | 15°C |
March | 26°C | 17°C |
April | 28°C | 20°C |
May | 31°C | 23°C |
June | 33°C | 25°C |
July | 34°C | 25°C |
August | 34°C | 26°C |
September | 32°C | 25°C |
October | 29°C | 22°C |
November | 25°C | 17°C |
December | 22°C | 15°C |
14 day forecast
Frequently asked questions
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