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United flights to Ontario from *

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United's most popular flights to Ontario (ONT)

Denver(DEN)to
Ontario(ONT)
-
Roundtrip
|
Economy
Houston(IAH)to
Ontario(ONT)
-
Roundtrip
|
Economy
New York/Newark(EWR)to
Ontario(ONT)
-
Roundtrip
|
Economy
Philadelphia(PHL)to
Ontario(ONT)
-
Roundtrip
|
Economy
Dallas(DFW)to
Ontario(ONT)
-
Roundtrip
|
Economy
San Francisco(SFO)to
Ontario(ONT)
-
Roundtrip
|
Economy
Orlando(MCO)to
Ontario(ONT)
-
Roundtrip
|
Economy
Chicago(ORD)to
Ontario(ONT)
-
Roundtrip
|
Economy

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*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.

United's most popular flights to Ontario (ONT)

Denver(DEN)to
Ontario(ONT)
-
Roundtrip
|
Business
Houston(IAH)to
Ontario(ONT)
-
Roundtrip
|
Business
Philadelphia(PHL)to
Ontario(ONT)
-
Roundtrip
|
Business
Dallas(DFW)to
Ontario(ONT)
-
Roundtrip
|
Business
San Francisco(SFO)to
Ontario(ONT)
-
Roundtrip
|
Business
Orlando(MCO)to
Ontario(ONT)
-
Roundtrip
|
Business
Portland, OR(PDX)to
Ontario(ONT)
-
Roundtrip
|
Business
Chicago(ORD)to
Ontario(ONT)
-
Roundtrip
|
Business

Press the Enter/Space key to load more items on the list or press the TAB key to continue

*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 after your flight to Ontario (ONT)

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

Thursday sky is clear
78°F 08/06/20
Friday sky is clear
78°F 08/07/20
Saturday sky is clear
82°F 08/08/20
Sunday sky is clear
83°F 08/09/20
Monday sky is clear
83°F 08/10/20
Tuesday sky is clear
83°F 08/11/20
Wednesday sky is clear
81°F 08/12/20
Powered by: OpenWeatherMap.org

Find more flights to Ontario (ONT) with United

FromToDatesFare TypePrice

Denver (DEN)

Ontario (ONT)

Depart: 08/13/20

Return: 08/27/20

Roundtrip
from
$127*
Viewed:13hoursago

Houston (IAH)

Ontario (ONT)

Depart: 09/23/20

Return: 09/30/20

Roundtrip
from
$217*
Viewed:11hoursago

New York/Newark (EWR)

Ontario (ONT)

Depart: 10/05/20

Return: 10/19/20

Roundtrip
from
$182*
Viewed:12hoursago

Philadelphia (PHL)

Ontario (ONT)

Depart: 10/12/20

Return: 10/19/20

Roundtrip
from
$182*
Viewed:19hoursago

Dallas (DFW)

Ontario (ONT)

Depart: 10/05/20

Return: 10/19/20

Roundtrip
from
$226*
Viewed:13hoursago

Redmond (RDM)

Ontario (ONT)

Depart: 10/12/20

Return: 10/26/20

Roundtrip
from
$178*
Viewed:18hoursago

San Francisco (SFO)

Ontario (ONT)

Depart: 10/13/20

Return: 10/20/20

Roundtrip
from
$97*
Viewed:17hoursago

Portland, OR (PDX)

Ontario (ONT)

Depart: 10/13/20

Return: 10/27/20

Roundtrip
from
$146*
Viewed:19hoursago

Medford (MFR)

Ontario (ONT)

Depart: 10/10/20

Return: 10/24/20

Roundtrip
from
$176*
Viewed:20hoursago

Chicago (ORD)

Ontario (ONT)

Depart: 09/07/20

Return: 09/21/20

Roundtrip
from
$232*
Viewed:8hoursago

*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.