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United flights to Ontario

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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
Portland, OR(PDX)to
Ontario(ONT)
Roundtrip
|
Economy
San Francisco(SFO)to
Ontario(ONT)
Roundtrip
|
Economy
Seattle(SEA)to
Ontario(ONT)
Roundtrip
|
Economy
Sacramento(SMF)to
Ontario(ONT)
Roundtrip
|
Economy
Reno(RNO)to
Ontario(ONT)
Roundtrip
|
Economy
Wichita(ICT)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. For Economy class, 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)

Sacramento(SMF)to
Ontario(ONT)
Roundtrip
|
Business
Denver(DEN)to
Ontario(ONT)
Roundtrip
|
Business
San Francisco(SFO)to
Ontario(ONT)
Roundtrip
|
Business
Boise(BOI)to
Ontario(ONT)
Roundtrip
|
Business
Reno(RNO)to
Ontario(ONT)
Roundtrip
|
Business
Portland, OR(PDX)to
Ontario(ONT)
Roundtrip
|
Business
Seattle(SEA)to
Ontario(ONT)
Roundtrip
|
Business
Medford(MFR)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. For Economy class, 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

Saturday sky is clear
81°F 09/26/20
Sunday scattered clouds
84°F 09/27/20
Monday sky is clear
90°F 09/28/20
Tuesday sky is clear
94°F 09/29/20
Wednesday sky is clear
95°F 09/30/20
Thursday sky is clear
95°F 10/01/20
Friday sky is clear
93°F 10/02/20
Powered by: OpenWeatherMap.org

Find more flights to Ontario (ONT) with United

FromToDatesFare TypePrice

Houston (IAH)

Ontario (ONT)

Depart: 10/21/20

Return: 10/28/20

Roundtrip
from
$137*
Viewed:9hoursago

Denver (DEN)

Ontario (ONT)

Depart: 10/23/20

Return: 11/06/20

Roundtrip
from
$97*
Viewed:11hoursago

San Francisco (SFO)

Ontario (ONT)

Depart: 12/07/20

Return: 12/14/20

Roundtrip
from
$157*
Viewed:15hoursago

Atlanta (ATL)

Ontario (ONT)

Depart: 10/21/20

Return: 10/28/20

Roundtrip
from
$222*
Viewed:13hoursago

Eugene (EUG)

Ontario (ONT)

Depart: 10/21/20

Return: 10/28/20

Roundtrip
from
$218*
Viewed:11hoursago

Chicago (ORD)

Ontario (ONT)

Depart: 10/28/20

Return: 11/04/20

Roundtrip
from
$222*
Viewed:7hoursago

Seattle (SEA)

Ontario (ONT)

Depart: 12/08/20

Return: 12/15/20

Roundtrip
from
$158*
Viewed:15hoursago

Memphis (MEM)

Ontario (ONT)

Depart: 10/21/20

Return: 10/28/20

Roundtrip
from
$202*
Viewed:9hoursago

Nashville (BNA)

Ontario (ONT)

Depart: 10/27/20

Return: 11/10/20

Roundtrip
from
$222*
Viewed:12hoursago

Portland, OR (PDX)

Ontario (ONT)

Depart: 10/21/20

Return: 10/28/20

Roundtrip
from
$148*
Viewed:7hoursago

*Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, 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.