Cheap Flights from Seattle to San Juan Luis Munoz Marin

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      Compare Seattle 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

      Book the best San Juan Luis Munoz Marin fare with no extra fees

      Flight deals from Seattle to San Juan Luis Munoz Marin

      Looking for a cheap last-minute deal or the best return flight from Seattle to San Juan Luis Munoz Marin Airport? If you want to travel next month, return fares start from Rs118,982. Find the lowest prices on one-way and return tickets right here.
      How did we find these deals? The deals you see here are the lowest prices for flight tickets from Seattle to San Juan Luis Munoz Marin found in the last 4 days, and are subject to change and availability.

      Find the cheapest month to fly from Seattle 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 Seattle to San Juan Luis Munoz Marin flights are currently cheapest in October.

      Seattle to San Juan: Flight information

      The things to know before you go.
      Cheapest flight foundRs41,625
      Cheapest month to flyOctober

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

      The best price we found for a return flight from Seattle to San Juan Luis Munoz Marin is Rs113,449. 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 Seattle to San Juan Luis Munoz Marin. But we found flights with one stop from Rs113,449.
      As of September 2026, there are no flights flying from Seattle to San Juan Luis Munoz Marin.
      The cheapest month to fly from Seattle to San Juan Luis Munoz Marin is usually October.
      After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seattle to San Juan Luis Munoz Marin Airport on Monday, 26 October 2026.
      No airlines currently offer direct flights between Seattle 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.

      The cheapest airline that flies to San Juan Luis Munoz Marin is Frontier Airlines .

      Flying from Seattle to Luis Munoz Marin International Airport (SJU): What you need to know

      • Luis Munoz Marin International Airport is located in San Juan. The city is in the UTC-4 timezone and is four hours ahead of Seattle.

      • For a smooth journey, turn up at the airport two hours ahead of international flights and one hour before domestic departures. This will give you plenty of time to board your flight from Seattle to SJU.

      • If you're travelling during a peak month like July, be at the airport even earlier. You'll want to arrive up to four hours before an international flight and two hours ahead of domestic departures. Expect lines to be longer during holiday periods like Thanksgiving and spring break.

      Airports in Seattle

      Seattle-Tacoma International Airport (SEA)

      • We make it simple to book cheap flights from Seattle to SJU that include a stopover. To explore all your options departing from Seattle-Tacoma International Airport (SEA), uncheck 'Direct flights only.' Then, pick a flight that has a stop long enough to tour your chosen city. Some popular stopovers between SEA and SJU include:

        • Atlanta Hartsfield-Jackson International Airport (ATL)

        • Denver International Airport (DEN)

        • Orlando International Airport (MCO)

      • Located around 23 kilometres from the centre of Seattle, SEA can be reached in about 25 minutes by car (depending on traffic). The journey on public transport will take roughly 35 minutes.

      • Want a relaxed start to your travels? Stay near Seattle-Tacoma International Airport. Whether you're boarding an early flight from Seattle to Luis Munoz Marin International Airport or prefer not to feel hurried, these hotels are just what you're after:

      • 80% of flights departing from Seattle-Tacoma International Airport touch down at their destination as planned. Given its impressive on-time stats, you're unlikely to face delays when setting off from SEA.

      Seattle Paine Field International Airport (PAE)

      • PAE is around 40 kilometres from central Seattle. It takes 40 minutes or so to get to the airport if you're driving from the city centre. Public transport takes approximately 1 hour 30 minutes.

      • Get a head start on your holiday with an additional night away from home. Before your Seattle to SJU flight, unwind in one of these hotels near Seattle Paine Field International Airport:

      • Flights from Seattle Paine Field International Airport have a proven record for punctuality, with 80% of them landing as planned.

      About Luis Munoz Marin International Airport (SJU)

      • The last thing you need is a long journey to your hotel if you're getting in late on a flight from Seattle to Luis Munoz Marin International Airport. Get comfy at one of these accommodation options near SJU instead:

      • Lock in the best rate by reserving your ride around two weeks before your Seattle to Luis Munoz Marin International Airport flight.

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

      • From Luis Munoz Marin International Airport, central San Juan is around 11 kilometres away. It takes about 20 minutes to reach the city centre by car.

      • Travelling by public transport will take you around 1 hour.

      How to find the cheapest flights from Seattle to Luis Munoz Marin International Airport (SJU)

      • Rs41,625 is currently the lowest price for a one-way ticket from Seattle to Luis Munoz Marin International Airport. A return flight starts from Rs113,684. These fares can change based on availability and demand.

      • Don't leave things to the last moment. You're more likely to find cheap flights from Seattle to SJU if you book in advance. Airlines often have some amazing early bird discounts.

      • The 'Whole month' tool will show you the cheapest Seattle to Luis Munoz Marin International Airport tickets across the entire month. It's a good way to find a bargain if your plans aren't set in stone.

      • Save time searching for cheap plane tickets from Seattle to SJU by creating a Price Alert. We'll send you an email or push notification on the app when fares go down.

      • Tailor your travel plans using filters. Select your arrival and departure times, airlines and total journey duration. You can also sort the results by 'Fastest,' 'Best' or 'Cheapest' flights from Seattle to Luis Munoz Marin International Airport.

      The best time to fly from Seattle to Luis Munoz Marin International Airport (SJU)

      • Think about the kind of experience you want when deciding your trip dates. December is the quietest month to visit San Juan. March is when most people book flights from Seattle to Luis Munoz Marin International Airport (SJU), which may be perfect if you're chasing more excitement.

      • The warmest month in San Juan is August, with temperatures ranging between 24ºC and 32ºC. Lock in your Seattle to SJU plane ticket then if that's your definition of good weather.

      • February sees temperatures of between 21ºC and 28ºC. Look for cheap tickets from Seattle to Luis Munoz Marin International Airport around that time if you want to travel in cooler conditions.

      More about San Juan

      • When it comes to searching for somewhere to rest your head, you'll find the top stays in San Juan right here. Check out these options after you've booked your flight from Seattle to Luis Munoz Marin International Airport:

      • You'll find loads of things to do in San Juan when you're ready to see the sights. Make your way to Balneario El Escambron followed by Esperanza Beach and Escambron Green.

      Explore more of Puerto Rico

      • Aguadilla is just one of the many cities in Puerto Rico waiting to be explored after you've seen San Juan. Around 121 kilometres away to the west, well-known attractions include Silla Aguadilla, Bridges Surf Beach and Playa Rompe Olas.

      • Isabela is another standout destination in Puerto Rico and is around 105 kilometres west of San Juan. No journey is complete without experiencing Playa montones, Shore Island Beach and Guajataca Forest Reserve.

      Prices shown on this page are estimated lowest prices only. Found in the last 12 days.