Book United Flights to Ontario (ONT) from $194

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Find flights to Ontario (ONT)

Denver (DEN) to Ontario (ONT)

Depart Tue 7 Aug 2018,
Return Wed 22 Aug 2018
from$ 199*Viewed: 1 hour ago

New York/Newark (EWR) to Ontario (ONT)

Depart Tue 11 Sep 2018,
Return Wed 26 Sep 2018
from$ 346*Viewed: 1 hour ago

Austin (AUS) to Ontario (ONT)

Depart Fri 7 Sep 2018,
Return Sat 22 Sep 2018
from$ 214*Viewed: 11 minutes ago

Dallas (DFW) to Ontario (ONT)

Depart Wed 12 Sep 2018,
Return Thu 27 Sep 2018
from$ 228*Viewed: 1 hour ago

Detroit (DTW) to Ontario (ONT)

Depart Mon 17 Sep 2018,
Return Tue 2 Oct 2018
from$ 308*Viewed: 1 hour ago

Cleveland (CLE) to Ontario (ONT)

Depart Mon 17 Sep 2018,
Return Tue 2 Oct 2018
from$ 358*Viewed: 1 hour ago
*Prices have been available for round trips within the last 48 hours and may not be currently available. Fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply.

Book early and get the lowest airfares to Ontario

from
to
Type
Dates
Price*
Boise (BOI)
to Ontario (ONT)
Roundtrip
Depart Wed 12 Sep 2018
Return Thu 27 Sep 2018
from$ 194*Viewed: 6 minutes ago
Eugene (EUG)
to Ontario (ONT)
Roundtrip
Depart Tue 28 Aug 2018
Return Wed 12 Sep 2018
from$ 196*Viewed: 1 hour ago
Denver (DEN)
to Ontario (ONT)
Roundtrip
Depart Tue 7 Aug 2018
Return Wed 22 Aug 2018
from$ 199*Viewed: 1 hour ago
Austin (AUS)
to Ontario (ONT)
Roundtrip
Depart Fri 7 Sep 2018
Return Sat 22 Sep 2018
from$ 214*Viewed: 11 minutes ago
Spokane (GEG)
to Ontario (ONT)
Roundtrip
Depart Mon 13 Aug 2018
Return Tue 28 Aug 2018
from$ 228*Viewed: 1 hour ago
Dallas (DFW)
to Ontario (ONT)
Roundtrip
Depart Wed 12 Sep 2018
Return Thu 27 Sep 2018
from$ 228*Viewed: 1 hour ago
Colorado Springs (COS)
to Ontario (ONT)
Roundtrip
Depart Tue 11 Sep 2018
Return Wed 26 Sep 2018
from$ 234*Viewed: 1 hour ago
Baltimore (BWI)
to Ontario (ONT)
Roundtrip
Depart Tue 11 Sep 2018
Return Wed 26 Sep 2018
from$ 244*Viewed: 1 hour ago
Nashville (BNA)
to Ontario (ONT)
Roundtrip
Depart Tue 28 Aug 2018
Return Wed 12 Sep 2018
from$ 278*Viewed: 7 minutes ago
Grand Rapids (GRR)
to Ontario (ONT)
Roundtrip
Depart Tue 11 Sep 2018
Return Wed 26 Sep 2018
from$ 308*Viewed: 1 hour ago
*Prices have been available for round trips within the last 48 hours and may not be currently available. Fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply.

Things to do in Ontario

Fly to Ontario with United Airlines from over 200 airports within the United States and an additional 100 airports internationally.

Ontario’s top attractions

  • Visit the Ontario Museum of History and Art for an overview of the region.
  • Tour the grand Graber Olive House, home to the oldest operating olive packer in the U.S.
  • Shop till you drop at Ontario Mills.
  • Take the family to Scandia Ontario, an amusement park with rides, mini golf, go karts and games.
  • Head to iFLY Ontario for an indoor skydiving experience.
  • Relax on the beaches in nearby Los Angeles County.

Best time to travel to Ontario

Visit Ontario during the summer and fall for sunny and dry weather. The Los Angeles County Fair is held for four weeks each fall, beginning on Labor Day. Taste diverse food and drinks from near and far, see farm animals, learn more about agriculture and enjoy live entertainment. The Lights on Miracle Hill in nearby Walnut is the perfect winter warm up for the holidays.

Weather in Ontario

79 °FWednesday06/20/2018
86 °FThursday06/21/2018
86 °FFriday06/22/2018
80 °FSaturday06/23/2018
72 °FSunday06/24/2018
73 °FMonday06/25/2018
76 °FTuesday06/26/2018
Powered by: OpenWeatherMap.org