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Get United's best fares today on flights from Ontario to Portland from *

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FromToDatesFare TypePrice

Ontario (ONT)

Portland (PDX)

Depart: 01/27/20

Return: 01/28/20

Roundtrip
from
USD149*
Viewed:1dayago

Ontario (ONT)

Portland (PDX)

Depart: 04/24/20

Return: 04/26/20

Roundtrip
from
USD330*
Viewed:1dayago

Ontario (ONT)

Portland (PDX)

Depart: 01/14/20

Return: 01/17/20

Roundtrip
from
USD306*
Viewed:1dayago

Ontario (ONT)

Portland (PDX)

Depart: 01/31/20

Return: 02/06/20

Roundtrip
from
USD216*
Viewed:22hoursago

Ontario (ONT)

Portland (PDX)

Depart: 01/14/20

Return: 01/28/20

Roundtrip
from
USD144*
Viewed:9hoursago

Ontario (ONT)

Portland (PDX)

Depart: 01/15/20

Return: 01/29/20

Roundtrip
from
USD198*
Viewed:9hoursago

Ontario (ONT)

Portland (PDX)

Depart: 01/16/20

Return: 01/30/20

Roundtrip
from
USD221*
Viewed:9hoursago

Ontario (ONT)

Portland (PDX)

Depart: 02/20/20

Return: 02/27/20

Roundtrip
from
USD252*
Viewed:9hoursago

Ontario (ONT)

Portland (PDX)

Depart: 01/03/20

Return: 01/07/20

Roundtrip
from
USD306*
Viewed:6hoursago

Ontario (ONT)

Portland (PDX)

Depart: 01/17/20

Return: 01/31/20

Roundtrip
from
USD331*
Viewed:9hoursago

*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.

Weather in Portland

Saturday light rain
46°F 12/14/19
Sunday broken clouds
45°F 12/15/19
Monday broken clouds
49°F 12/16/19
Tuesday overcast clouds
43°F 12/17/19
Wednesday heavy intensity rain
47°F 12/18/19
Thursday heavy intensity rain
48°F 12/19/19
Friday heavy intensity rain
46°F 12/20/19
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