$121 Cheap Flights from San Juan (SJU) to Portland (PWM)

View $121 flight on Wed, Oct 1, 2025Opens in a new window

Popular airlines from Luis Munoz Marin Intl. Airport (SJU) to Portland Intl. Jetport Airport (PWM)

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Find available prices by choosing your travel dates.

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

Prices were available within the past 7 days and start at $121 for one-way flights and $241 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, Sep 20 - Tue, Sep 23
SJU
San Juan
PWM
Portland
$241 Roundtrip, found 2 days ago
$241
Roundtrip
found 2 days ago
Select United flight, departing Sat, Sep 20 from San Juan to Portland, returning Tue, Sep 23, priced at $241 found 2 days ago
American Airlines
Sat, Sep 20 - Tue, Sep 23
SJU
San Juan
PWM
Portland
$243 Roundtrip, found 2 days ago
$243
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Sep 20 from San Juan to Portland, returning Tue, Sep 23, priced at $243 found 2 days ago
United
Sat, Sep 20 - Tue, Sep 23
SJU
San Juan
PWM
Portland
$260 Roundtrip, found 2 days ago
$260
Roundtrip
found 2 days ago
Select United flight, departing Sat, Sep 20 from San Juan to Portland, returning Tue, Sep 23, priced at $260 found 2 days ago
United
Wed, Sep 24 - Wed, Oct 1
SJU
San Juan
PWM
Portland
$261 Roundtrip, found 1 day ago
$261
Roundtrip
found 1 day ago
Select United flight, departing Wed, Sep 24 from San Juan to Portland, returning Wed, Oct 1, priced at $261 found 1 day ago
United
Wed, Sep 24 - Wed, Oct 1
SJU
San Juan
PWM
Portland
$262 Roundtrip, found 1 day ago
$262
Roundtrip
found 1 day ago
Select United flight, departing Wed, Sep 24 from San Juan to Portland, returning Wed, Oct 1, priced at $262 found 1 day ago
American Airlines
Sat, Sep 20 - Tue, Sep 23
SJU
San Juan
PWM
Portland
$264 Roundtrip, found 2 days ago
$264
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Sep 20 from San Juan to Portland, returning Tue, Sep 23, priced at $264 found 2 days ago
United
Wed, Sep 24 - Wed, Oct 1
SJU
San Juan
PWM
Portland
$265 Roundtrip, found 1 day ago
$265
Roundtrip
found 1 day ago
Select United flight, departing Wed, Sep 24 from San Juan to Portland, returning Wed, Oct 1, priced at $265 found 1 day ago
Delta
Wed, May 28 - Tue, Jun 3
SJU
San Juan
PWM
Portland
$275 Roundtrip, found 15 hours ago
$275
Roundtrip
found 15 hours ago
Select Delta flight, departing Wed, May 28 from San Juan to Portland, returning Tue, Jun 3, priced at $275 found 15 hours ago
Frontier Airlines
Mon, May 5 - Mon, May 12
SJU
San Juan
PWM
Portland
$285 Roundtrip, found 3 days ago
$285
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Mon, May 5 from San Juan to Portland, returning Mon, May 12, priced at $285 found 3 days ago
JetBlue Airways
Sat, May 31 - Tue, Jun 3
SJU
San Juan
PWM
Portland
$310 Roundtrip, found 15 hours ago
$310
Roundtrip
found 15 hours ago
Select JetBlue Airways flight, departing Sat, May 31 from San Juan to Portland, returning Tue, Jun 3, priced at $310 found 15 hours ago

Frequently asked questions

How much does a flight from Luis Munoz Marin Intl. Airport (SJU) to Portland Intl. Jetport Airport (PWM) cost?
Discover the latest flight deals from SJU to PWM 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 PWM?
The cheapest flights from SJU to PWM 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 PWM?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from SJU to PWM. 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. Jetport Airport (PWM)?
Direct flights from Luis Munoz Marin Intl. Airport (SJU) to Portland Intl. Jetport Airport (PWM) aren’t available daily, so you’ll need to take a flight with a layover. Explore your options with Expedia’s filters. Enter your travel dates and choose either “1 Stop” or “2+ Stops.”
What day of the week has the most flights from SJU to PWM?
You’ll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during public holidays or peak travel times.*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. Jetport Airport (PWM)?
To avoid potential delays on the Luis Munoz Marin Intl. Airport (SJU) to Portland Intl. Jetport Airport (PWM) route, fly before 3 PM. Later departures have a 22% higher chance of being canceled.**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. Jetport Airport (PWM) last-minute?
Last-minute fares from SJU to PWM are usually more expensive. To lock in the lowest rates, start looking for flights as early as possible. That said, if you’re flexible with your travel plans, you may find a cheap ticket right before your journey.
Is it cheaper to book a SJU to PWM flight and hotel package?
Securing a SJU to PWM flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Pick from our wide range of accommodations and then add car rentals, activities and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Luis Munoz Marin Intl. Airport (SJU) to Portland Intl. Jetport Airport (PWM)?
In most instances, you can cancel or modify your SJU to PWM flight. However, additional fees may apply, especially if you made your booking more than 24 hours ago. Check your itinerary for the airline’s fees and policies on flight changes, or if you need more information, go to our Customer Service portal.
*Available to One Key members.