Skip to content

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

Select journey type

Enter to select travel class and passengers

Looking for additional flights from Portland to San Juan?

FromToDatesFare TypePrice

Portland (PDX)

San Francisco (SFO)

Depart: 12/15/19

Return: 01/05/20

Roundtrip
from
$280*
Viewed:1dayago

Portland (PDX)

San Francisco (SFO)

Depart: 01/07/20

Return: 01/11/20

Roundtrip
from
$137*
Viewed:1dayago

Portland (PDX)

San Francisco (SFO)

Depart: 12/11/19

Return: 01/10/20

Roundtrip
from
$392*
Viewed:1dayago

Portland (PDX)

San Francisco (SFO)

Depart: 12/14/19

Return: 01/07/20

Roundtrip
from
$270*
Viewed:1dayago

Portland (PDX)

San Francisco (SFO)

Depart: 01/09/20

Return: 04/02/20

Roundtrip
from
$157*
Viewed:1dayago

Portland (PDX)

San Francisco (SFO)

Depart: 03/21/20

Return: 03/28/20

Roundtrip
from
$709*
Viewed:1dayago

Portland (PDX)

San Francisco (SFO)

Depart: 01/09/20

Return: 01/11/20

Roundtrip
from
$147*
Viewed:1dayago

Portland (PDX)

San Francisco (SFO)

Depart: 01/10/20

Return: 01/12/20

Roundtrip
from
$157*
Viewed:1dayago

Portland (PDX)

San Francisco (SFO)

Depart: 06/02/20

Return: 06/15/20

Roundtrip
from
$147*
Viewed:1dayago

Portland (PDX)

San Francisco (SFO)

Depart: 01/26/20

Return: 01/29/20

Roundtrip
from
$147*
Viewed:1dayago

*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 San Juan

Monday moderate rain
78°F 12/09/19
Tuesday moderate rain
81°F 12/10/19
Wednesday moderate rain
80°F 12/11/19
Thursday heavy intensity rain
78°F 12/12/19
Friday moderate rain
80°F 12/13/19
Saturday moderate rain
81°F 12/14/19
Sunday moderate rain
82°F 12/15/19
Powered by: OpenWeatherMap.org