PDX - SJU

$172 Find Cheap Flights from Portland to San Juan - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Portland to San Juan departing on 9/10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$436
Typical prices: $466-$650
Southwest
Thu 8/20Thu 8/27
PDX - SJU • 2 stops
Cheapest one-way
$172
Typical prices: $234-$318
Frontier
Thu 9/10
PDX - SJU • 2 stops
Nonstop flights
Not available
There are currently no direct flights between Portland and San Juan. You'll need at least 1 connection.
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Top layover airports
New York (JFK)
Cheapest • Avg $466 (round-trip)
Denver (DEN)
Shortest trip • 9h 28m (one-way)
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When to book
2 weeks
in advance
Our data shows that travelers who book at least 2 weeks in advance save around 14% compared to booking last minute.
Insights
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When to travel
September
Cheapest • 20% price drop
January
Most popular
Good to know
Good to know
+1
+1
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Good to know
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Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Portland to San Juan (PDX-SJU)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Portland to San Juan that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Portland to San Juan

Thu, Aug 20 - Thu, Aug 27
Southwest Logo
7:35 pm - 9:10 am
PDX
-
SJU
10h 35m
2 stops
Southwest Logo
5:30 am - 3:00 pm
SJU
-
PDX
12h 30m
1 stop
$436Southwest
Fri, Oct 23 - Thu, Oct 29
Southwest Logo
7:50 pm - 12:10 pm
PDX
-
SJU
13h 20m
2 stops
Southwest Logo
10:10 am - 8:45 pm
SJU
-
PDX
13h 35m
2 stops
$451Southwest
Mon, Nov 9 - Tue, Nov 17
United Airlines Logo
7:00 am - 9:00 pm
PDX
-
SJU
10h 00m
1 stop
United Airlines Logo
8:25 am - 3:23 pm
SJU
-
PDX
10h 58m
1 stop
$466United Airlines
Wed, Jan 6 - Tue, Jan 12
American Airlines Logo
6:00 am - 9:39 pm
PDX
-
SJU
11h 39m
1 stop
American Airlines Logo
4:27 pm - 11:59 pm
SJU
-
PDX
11h 32m
1 stop
$471American Airlines
Fri, Sep 11 - Wed, Sep 16
American Airlines Logo
11:06 pm - 2:50 pm
PDX
-
SJU
12h 44m
1 stop
American Airlines Logo
2:22 pm - 11:28 pm
SJU
-
PDX
12h 06m
1 stop
$477American Airlines
Sat, Aug 29 - Thu, Sep 3
JetBlue Logo
11:27 pm - 2:11 pm
PDX
-
SJU
11h 44m
1 stop
JetBlue Logo
1:50 pm - 10:49 pm
SJU
-
PDX
11h 59m
1 stop
$484JetBlue
Thu, Aug 27 - Thu, Sep 3
Southwest Logo
7:35 pm - 9:10 am
PDX
-
SJU
10h 35m
2 stops
Southwest Logo
5:30 am - 3:00 pm
SJU
-
PDX
12h 30m
1 stop
$485Southwest
Fri, Aug 21 - Tue, Aug 25
United Airlines Logo
7:10 am - 8:38 pm
PDX
-
SJU
10h 28m
1 stop
United Airlines Logo
1:00 am - 9:50 am
SJU
-
PDX
11h 50m
1 stop
$490United Airlines
Fri, Aug 7 - Sun, Aug 9
United Airlines Logo
11:30 pm - 12:34 pm
PDX
-
SJU
10h 04m
1 stop
United Airlines Logo
1:00 am - 9:25 am
SJU
-
PDX
11h 25m
1 stop
$493United Airlines
Thu, Nov 12 - Tue, Nov 17
Delta Logo
5:30 am - 11:55 pm
PDX
-
SJU
14h 25m
2 stops
Delta Logo
3:10 pm - 11:52 pm
SJU
-
PDX
12h 42m
2 stops
$500Delta
Booking Insights

KAYAK's insights & trends for Portland to San Juan flights

Get data-powered insights and trends into flights from Portland to San Juan to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Portland to San Juan Luis Munoz Marin Intl Airport?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Portland to San Juan Luis Munoz Marin Intl Airport departing in August.

What is the cheapest month to fly from Portland to San Juan Luis Munoz Marin Intl Airport?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Portland to San Juan Luis Munoz Marin Intl Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Portland to San Juan Luis Munoz Marin Intl Airport is September, where tickets cost $466 (return) on average. On the other hand, the most expensive months are March and June, where the average cost of round-trip tickets is $708 and $676 respectively.

How far in advance should I book a flight from Portland to San Juan Luis Munoz Marin Intl Airport?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Portland to San Juan Luis Munoz Marin Intl Airport, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Portland to San Juan Luis Munoz Marin Intl Airport, you should book around 2 weeks before departure, which saves you about 14% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 22 weeks before departure.

Find deals

Good to know

Low seasonJuly
Cheapest flight$172
Best time to beat the crowds but there is an average 5% increase in price.
Most popular time to fly with an average 1% increase in price.
Flight from Portland to San Juan

When to book flights from Portland to San Juan

Are your dates flexible? Find out the best times to travel from Portland to San Juan based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Portland to San Juan flights

  • What is the cheapest flight from Portland to San Juan Luis Munoz Marin Intl Airport?

    In the last 5 days, the lowest price for a flight from Portland to San Juan Luis Munoz Marin Intl Airport was $172 for a one-way ticket and $436 for a round-trip.

  • Do I need a passport to fly between Portland and San Juan?

    A passport is required to fly from Portland to San Juan.

  • Which airports will I be using when flying from Portland to San Juan?

    Portland and San Juan are both served by 1 main airport. You will leave Portland from Portland and will be arriving at San Juan Luis Munoz Marin Intl.

  • Which aircraft models fly most regularly from Portland to San Juan?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Portland to San Juan?

    SkyTeam, Star Alliance, and oneworld are the airline alliances operating flights between Portland and San Juan, with SkyTeam being the most commonly used for this route.

  • What is the most popular layover when flying to San Juan from Portland?

    Miami is the most popular layover city among KAYAK users traveling from Portland to San Juan.

  • Which is the best airline for flights from Portland to San Juan, Southwest or Delta?

    The two airlines most popular with KAYAK users for flights from Portland to San Juan are Southwest and Delta. With an average price for the route of $489 and an overall rating of 8.0, Southwest is the most popular choice. Delta is also a great choice for the route, with an average price of $466 and an overall rating of 7.8.

  • How does KAYAK find such low prices on flights from Portland to San Juan?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Portland to San Juan.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Portland to San Juan?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Juan from Portland is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Portland to San Juan?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Juan with an airline and back to Portland with another airline. Booking your flights between Portland and SJU can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Portland to San Juan?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Juan from Portland up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Portland to San Juan

Information on your arrival and departure airports

Portland (PDX)
Luis Munoz Marin Intl (SJU)