$185 Cheap Flights from San Juan (SJU) to Portland (PDX)

View $185 flight on Fri, May 30, 2025Opens in a new window

Popular airlines from Luis Munoz Marin Intl. Airport (SJU) to Portland International Airport (PDX)

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Find available prices by choosing your travel dates.

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

Prices were available within the past 7 days and start at $185 for one-way flights and $344 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, May 15 - Mon, May 19
SJU
San Juan
PDX
Portland
$344 Roundtrip, found 2 days ago
$344
Roundtrip
found 2 days ago
Select United flight, departing Thu, May 15 from San Juan to Portland, returning Mon, May 19, priced at $344 found 2 days ago
JetBlue Airways
Thu, Jul 3 - Mon, Jul 7
SJU
San Juan
PDX
Portland
$360 Roundtrip, found 5 days ago
$360
Roundtrip
found 5 days ago
Select JetBlue Airways flight, departing Thu, Jul 3 from San Juan to Portland, returning Mon, Jul 7, priced at $360 found 5 days ago
Delta
Fri, Jun 6 - Fri, Jun 13
SJU
San Juan
PDX
Portland
$365 Roundtrip, just found
$365
Roundtrip
just found
Select Delta flight, departing Fri, Jun 6 from San Juan to Portland, returning Fri, Jun 13, priced at $365 just found
Delta
Tue, Jul 8 - Wed, Jul 16
SJU
San Juan
PDX
Portland
$369 Roundtrip, just found
$369
Roundtrip
just found
Select Delta flight, departing Tue, Jul 8 from San Juan to Portland, returning Wed, Jul 16, priced at $369 just found
United
Mon, Oct 20 - Fri, Oct 24
SJU
San Juan
PDX
Portland
$369 Roundtrip, found 11 hours ago
$369
Roundtrip
found 11 hours ago
Select United flight, departing Mon, Oct 20 from San Juan to Portland, returning Fri, Oct 24, priced at $369 found 11 hours ago
American Airlines
Wed, Oct 15 - Tue, Oct 21
SJU
San Juan
PDX
Portland
$369 Roundtrip, found 15 hours ago
$369
Roundtrip
found 15 hours ago
Select American Airlines flight, departing Wed, Oct 15 from San Juan to Portland, returning Tue, Oct 21, priced at $369 found 15 hours ago
United
Thu, May 15 - Mon, May 19
SJU
San Juan
PDX
Portland
$373 Roundtrip, found 2 days ago
$373
Roundtrip
found 2 days ago
Select United flight, departing Thu, May 15 from San Juan to Portland, returning Mon, May 19, priced at $373 found 2 days ago
Delta
Fri, Sep 19 - Sat, Sep 20
SJU
San Juan
PDX
Portland
$375 Roundtrip, found 15 hours ago
$375
Roundtrip
found 15 hours ago
Select Delta flight, departing Fri, Sep 19 from San Juan to Portland, returning Sat, Sep 20, priced at $375 found 15 hours ago
American Airlines
Thu, May 15 - Mon, May 19
SJU
San Juan
PDX
Portland
$381 Roundtrip, found 2 days ago
$381
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, May 15 from San Juan to Portland, returning Mon, May 19, priced at $381 found 2 days ago
Southwest Airlines
Fri, Sep 12 - Sun, Sep 14
SJU
San Juan
PDX
Portland
$389 Roundtrip, found 3 days ago
$389
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Fri, Sep 12 from San Juan to Portland, returning Sun, Sep 14, priced at $389 found 3 days ago
Flights from San Juan (SJU) to Portland (PDX)
Origin airport
Luis Munoz Marin Intl.
Destination airport
Portland Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, JetBlue Airways, Southwest Airlines, Spirit Airlines, United
Roundtrip price
$343
Distance
3712 mi

San Juan to Portland Flights

The cheapest times to fly from San Juan to Portland

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from San Juan to Portland are during the month of May. You can find some of the cheapest flights from San Juan to Portland with Expedia's search tool and vast selection of airlines.

The best time to book a flight from San Juan to Portland

Sunday is one of the best days to book for cheap flights from San Juan to Portland: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from San Juan to Portland

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from San Juan to Portland in 2025. You can also book with separate airlines for your outbound and return journeys, from $185 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap San Juan to Portland flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your San Juan to Portland airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How much does a flight from Luis Munoz Marin Intl. Airport (SJU) to Portland Intl. Airport (PDX) cost?
Discover the latest flight deals from SJU to PDX by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from SJU to PDX?
The cheapest flights from SJU to PDX are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from SJU to PDX?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from SJU to PDX. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Luis Munoz Marin Intl. Airport (SJU) to Portland Intl. Airport (PDX)?
There aren’t any daily nonstop flights from Luis Munoz Marin Intl. Airport (SJU) to Portland Intl. Airport (PDX). But you can opt for flights with layovers. Filter your search results on Expedia to include one or more stops, and you’ll be soaring above the clouds before you know it.
What day of the week has the most flights from SJU to PDX?
Usually you’ll find the greatest selection of flight options on a Friday. Tuesdays tend to be the quietest.* However, this can vary based on the airline, season and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Luis Munoz Marin Intl. Airport (SJU) to Portland Intl. Airport (PDX)?
To land at Portland Intl. Airport (PDX) on schedule, pick a flight that takes off from Luis Munoz Marin Intl. Airport (SJU) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
Is it cheaper to buy a plane ticket from Luis Munoz Marin Intl. Airport (SJU) to Portland Intl. Airport (PDX) last-minute?
Last-minute bookings from SJU to PDX are usually more expensive. For the best prices, start looking for flights ahead of time. That being said, if you can play around with your travel dates, it’s possible to find a cheap fare right before your journey.
Is it cheaper to book a SJU to PDX flight and hotel package?
Compared with arranging hotels and flights separately, booking a SJU to PDX flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one easy place takes the hassle out of travel planning. Just secure your flights and select from our wide range of stays, then customize your trip with extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Luis Munoz Marin Intl. Airport (SJU) to Portland Intl. Airport (PDX)?
If you booked your SJU to PDX flight in the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for more details.

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*Available to One Key members.