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Find the best flight to Ontario airport (ONT)

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Great deals to Ontario Intl Airport

We’ve searched 100s of deals recently found by travellers.*
San Francisco, CA (SFO) Ontario, CA (ONT)
Mon, 01/07 - Thu, 04/07
United Airlines - Roundtrip, Economy
US$305
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Las Vegas, NV (LAS) Ontario, CA (ONT)
Fri, 28/06 - Sun, 30/06
American Airlines - Roundtrip, Economy
US$627
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Oakland, CA (OAK) Ontario, CA (ONT)
Mon, 01/07 - Thu, 04/07
Alaska Airlines - Roundtrip, Economy
US$751
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Killeen, TX (GRK) Ontario, CA (ONT)
Sat, 06/07 - Sat, 13/07
American Airlines - Roundtrip, Economy
US$852
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Singapore, SG (SIN) Ontario, CA (ONT)
Sun, 11/08 - Sun, 25/08
China Airlines - Roundtrip, Economy
US$861
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Kuala Lumpur, MY (KUL) Ontario, CA (ONT)
Wed, 10/07 - Sun, 14/07
Multiple Airlines - Roundtrip, Economy
US$1,027
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Penang, MY (PEN) Ontario, CA (ONT)
Thu, 04/07 - Wed, 17/07
Multiple Airlines - Roundtrip, Economy
US$1,179
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Jakarta, ID (JKT) Ontario, CA (ONT)
Thu, 12/09 - Mon, 30/09
Multiple Airlines - Roundtrip, Economy
US$1,193
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*Prices are based on round trip travel with returns between 1-21 days after departure. These are the best fares found by travellers who searched TripAdvisor and a select group of our fare search partners in the past 72 hours. Ticket prices and seat availability change rapidly and cannot be guaranteed.
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Flight stats for ONT - did you know?

  • Ontario Intl Airport is the closest major airport to Ontario.
  • Ontario Intl Airport (Ontario, CA)
    • Right now, 16 airlines operate out of Ontario Intl Airport.
    • Ontario Intl Airport offers nonstop flights to 16 cities.
    • Every week, at least 521 domestic flights and 21 international flights depart from Ontario Intl Airport.
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