Cheap Flights from Portland to San Juan Luis Munoz Marin

Compare Portland to San Juan Luis Munoz Marin flight deals

Find the cheapest month or even day of the year to fly to San Juan Luis Munoz Marin

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Flight deals from Portland Airport to San Juan Luis Munoz Marin Airport

Looking for a cheap last-minute deal or the best return flight from Portland Airport to San Juan Luis Munoz Marin Airport? If you want to travel next month, return fares start from Rs59,458. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Portland to San Juan Luis Munoz Marin

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Portland to San Juan Luis Munoz Marin flights are currently cheapest in February.

Portland to San Juan: Flight information

The things to know before you go.
Cheapest flight foundRs29,649
Cheapest month to flyFebruary

Finding cheap flights from Portland to San Juan Luis Munoz Marin: Frequently asked questions

The best price we found for a return flight from Portland to San Juan Luis Munoz Marin is Rs59,458. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Portland to San Juan Luis Munoz Marin. But we found flights with one or more stops from Rs59,321.
As of January 2026, there are no flights flying from Portland to San Juan Luis Munoz Marin.
The cheapest month to fly from Portland to San Juan Luis Munoz Marin is usually February.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Portland Airport to San Juan Luis Munoz Marin Airport on Saturday, 7 February 2026.
No airlines currently offer direct flights between Portland Airport and San Juan Luis Munoz Marin Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Juan Luis Munoz Marin but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to San Juan is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, United offers the cheapest flight tickets to San Juan Luis Munoz Marin.

Travelling from Portland International Jetport Airport (PWM) to Luis Munoz Marin International Airport (SJU): what you need to know

  • Portland and San Juan are both in the UTC-4 timezone. That means you won't have to change your watch when you arrive.

  • For a stress-free journey, turn up at the airport two hours ahead of international flights and an hour before domestic departures. This will give you enough time to board your PWM to SJU flight.

  • You'll likely experience longer lines during popular months such as August. Arriving up to four hours ahead of international flights and two hours for domestic departures will help ensure a smooth travel experience.

  • We make it a piece of cake to book a flight with a stopover. To see all your options for tickets from Portland International Jetport Airport to Luis Munoz Marin International Airport, deselect 'Direct flights only.' Then, pick a flight offering a stop long enough to explore your chosen city. Popular stopovers between PWM and SJU include:

    • John F. Kennedy International Airport

    • Washington Dulles International Airport

    • Philadelphia International Airport

How to find the cheapest flights from Portland International Jetport Airport (PWM) to Luis Munoz Marin International Airport (SJU)

  • Rs29,717 is the best price for a one-way Portland International Jetport Airport to Luis Munoz Marin International Airport flight. A return flight starts at Rs59,458. These prices can change based on availability and demand.

  • It's usually smart to book early if you're hoping to get cheap tickets from PWM to SJU. That's because airlines adjust prices based on demand, which tends to increase closer to departure.

  • The 'Whole month' search tool shows you the cheapest flights from Portland International Jetport Airport to Luis Munoz Marin International Airport across each month. It's a good way to snap up a bargain if your travel dates aren't set in stone.

  • Snapping up cheap flights from PWM to SJU is easy with Price Alerts. All you need to do is create one of these automatic alerts and we'll get in touch when a lower fare pops up.

  • Choose your preferred departure and arrival times, airlines and number of stops with the filters. Alternatively, sort your results by 'Cheapest' to find the best deals on flights from Portland International Jetport Airport to Luis Munoz Marin International Airport.

Handy information about Portland International Jetport Airport (PWM)

  • You'll find PWM at 1001 Westbrook Street.

  • 82.15% of flights leaving Portland International Jetport Airport touch down at their destination on schedule. With its solid on-time performance, you're unlikely to experience delays when taking off from PWM.

  • To get to Portland International Jetport Airport from central Portland, it'll take around 15 minutes by car. This depends on traffic, however. It's approximately 8 kilometres from the airport to the city centre.

  • Catching public transport? Expect a trip time of around 40 minutes.

  • Get your holiday off to a relaxed start by staying near PWM. Whether you've booked an early flight from Portland International Jetport Airport to Luis Munoz Marin International Airport or just don't like being rushed, these hotels are the answer:

Arriving at Luis Munoz Marin International Airport (SJU)

  • If you're getting in on a late Portland International Jetport Airport to Luis Munoz Marin International Airport flight, few things top the convenience of staying near the terminal. Grab your luggage from the carousel and then be showered and snoozing soon after at one of these options near SJU:

  • Get your adventure underway by picking up a Luis Munoz Marin International Airport rental car. Grab a set of wheels from Sixt, Ace Rent a Car or U-Save and explore beyond San Juan's usual tourist stops.

  • Reserving your ride from Luis Munoz Marin International Airport around two weeks in advance boosts your odds of scoring a great price.

Getting from Luis Munoz Marin International Airport (SJU) to central San Juan

  • Luis Munoz Marin International Airport to central San Juan has a drive time of about 10 minutes. It's approximately 8 kilometres away.

  • Getting there on public transport takes about 55 minutes.

When to fly to Luis Munoz Marin International Airport (SJU)

  • July is the busiest month for flights from Portland International Jetport Airport to Luis Munoz Marin International Airport. For a quieter experience, travel to San Juan in May.

  • Book your flight from Portland International Jetport Airport to Luis Munoz Marin International Airport for September if you'd like to visit San Juan during its warmest month. You can expect temperatures of between 23ºC and 33ºC.

  • If you want to travel in cooler conditions, search for a cheap ticket from PWM to SJU in February. Temperatures average between 20ºC and 28ºC then.

Explore more of Puerto Rico

  • You've done San Juan, now it's time to discover more of Puerto Rico. Travel about 10 kilometres west to Bayamon to tick off its leading sights. From Plazoleta Ignacio Zorrilla, La Plaza de la Bomba Puertorriqueña to Monumento a los Trovadores and Parque Palm Court, there's plenty to keep you on the go.

  • Around 11 kilometres east of San Juan, Carolina is another favourite stop in Puerto Rico. Start your sightseeing at Isla Verde Beach, Parque de Doble A Roberto Clemente Walker and Drone Zone Track.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.