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Cheap Flights from Portland to San Juan starting at S$ 208

We've found these cheap flights for you. You can book one-way or return flight tickets.

  • One way
  • Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Cheapest time to fly from Portland to San Juan

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the lowest average weekly prices of the corresponding route on Trip.com.
Cheapest Airlines flying from Portland to San Juan

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Frontier Airlines
From S$ 167
Spirit Airlines
From S$ 201
American Airlines
From S$ 208
Delta Air Lines
From S$ 215
United Airlines
From S$ 256
Alaska Airlines
From S$ 265
Sun Country Airlines
From S$ 285
Jetblue Airways
From S$ 338
Southwest Airlines
From S$ 442
ANA airlines

Find more flights and airlines

Alternative Routes from Portland to San Juan

Searching for potential routes that might be cheaper and faster? Check out these alternative flights from Portland to San Juan.

  • Cheapest
    Frontier Airlines
    PDX
    00:52
    15h 14m
    2 transfer
    SJU
    19:06
    Portland International Airport - Luis Muñoz Marín International Airport
    Tue, Apr 9Frontier Airlines
    S$ 167
  • Frontier Airlines
    PDX
    00:52
    15h 14m
    2 transfer
    SJU
    19:06
    Portland International Airport - Luis Muñoz Marín International Airport
    Tue, Apr 9Frontier Airlines
    S$ 167
    Find More Flights

Frequently Asked Questions

  • When to buy flight tickets from Portland (PDX) to San Juan (SJU) the cheapest?

    Airlines adjust prices for flights from Portland to San Juan based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • How much is a flight from Portland (PDX) to San Juan (SJU) cost?

    According to Trip.com's data, the lowest price is around S$ 979.
  • What is the transportation method from the main airport to downtown in San Juan?

    • The distance from Luis Muñoz Marín International Airport to downtown is about 11km, by taxi about 30 minutes.
  • How many airports in San Juan?

Find cheapest flight ticket from Portland to San Juan

Cheapest direct flight price

S$ 208

Cheapest month

February

Peak season for travel

June