- Must visit
Museo de Arte de Puerto Rico
Leading art museum with Puerto Rican, Caribbean, and international works in a grand former hospital. Ideal for understanding the island's visual culture.
Take a flight from London to San Juan and enjoy the approximately 4199 miles (6758 km) long journey. Find schedules and pricing options for a convenient and affordable trip.
The earliest flight runs at 01:00, the last at 22:59. November is the cheapest month to fly.
Distance 4199 miles (6758 km) |
First flight 1:00 AM |
Last flight 10:59 PM |
Cheapest Month Nov |
Cheapest Day Wed |
High Season Jan - Mar |
Low Season Oct - Dec |
Best time to book 77 days |
Cheapest price on Sep 19
€539
Average ticket price on Sep 19
€1017
Fastest journey on Sep 19
18 h 37 m
Average journey duration on Sep 19
20 h 23 m
Flights on Sep 19
3
Distance
6758 km
The best way to find a cheap flight ticket from London to San Juan is to book your journey as far in advance as possible and to avoid traveling at rush hour.
The average ticket from London to San Juan will cost around €1017 if you buy it on the day, but the cheapest tickets can be found for only €539.
On Sat, Sep 19, we found 3 flights from London to San Juan, including 3 direct services.
On Sat, Sep 19 the direct flights cover the 6758 km distance in an average of 20 h 23 m but if you time it right, some flights will get you there in just 18 h 37 m .
On Sat, Sep 19 the longest flights will take 23 h 45 m and usually involve a change or two along the way, but you might be able to save a few pennies if you’re on a budget.






The table below shows live departures for London to San Juan flights for today, Friday, September 18. You can also manually refresh the results below to see updated flight journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
![]() | 9:05 PM London | 23h45 | 8:50 PM San Juan | 0 transfersDirect | |
This is the last flight of the day. | |||||
Find all the dates and times for this journey
Compare flight prices over the next three weeks. See the best deals at a glance, find the lowest fares, and choose the option that fits your budget.
Discover the best of San Juan — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect San Juan trip today.
Leading art museum with Puerto Rican, Caribbean, and international works in a grand former hospital. Ideal for understanding the island's visual culture.
Contemporary art museum in a restored school building. Expect bold Latin American and Puerto Rican exhibitions in a calm, central setting.
Compact museum on San Juan Bay focused on Puerto Rico's seafaring past. Good for ship models, navigation history, and harbor context.
Historic district of blue cobblestones, pastel buildings, forts, and plazas. The essential area for walking, photos, and colonial atmosphere.
Lively promenade outside the city walls with fountains, trees, and bay views. Excellent for sunset walks and a relaxed break from sightseeing.
Large green esplanade beside El Morro, famous for picnics and kite flying. It delivers postcard views of the fort and ocean.
Mofongo is mashed fried green plantain with garlic and pork cracklings, often stuffed with seafood or meat. It is one of Puerto Rico’s signature comfort foods.
Arroz con gandules is rice cooked with pigeon peas, sofrito, pork, and annatto. It is a festive staple served at family gatherings and holidays.
Lechón asado is slow-roasted whole pig with crisp skin and juicy meat. It is central to Puerto Rican celebrations and Sunday roadside feasts.
Historic Old San Juan restaurant known for refined Puerto Rican classics like mofongo and asopao in an elegant colonial setting.
Casual beachfront kiosk area in Piñones famous for alcapurrias, bacalaítos, and other fritters. Best for traditional snacks and local vibes.
Long-running local favorite serving traditional Puerto Rican dishes, seafood, and mofongo in a lively, casual Santurce atmosphere.
Moderate for the Caribbean: lodging is often the biggest cost, while casual food and local buses stay reasonable in tourist areas.
Tip 15-20% at restaurants unless service is included. Taxis are often rounded up or tipped 10%. Small cafe tips are appreciated but optional.
Official public transport app
Luis Munoz Marin International Airport, San Juan -> Old San Juan, San Juan
Find answers to the most common questions about traveling from London to San Juan by flight. From journey times and ticket prices to direct connections, first and last departures, and even whether the route is scenic, our FAQs cover everything you need to plan your trip. Whether you’re looking for the fastest flight, the cheapest option, or tips for making the most of your visit at San Juan, this guide helps you travel smarter and with confidence.

Most London to San Juan flights use the London Heathrow Airport to Luis Munoz Marin International Airport airport pair. Use this guide to compare London and San Juan airports on this route, check city-centre transport, alongside checking practicalities like airport facilities and services.
London Heathrow Airport is 23 km from London city centre. Public transport options include:
London Heathrow Airport has practical services for this route, including Wifi, Shopping, Parking, ATM, Taxis, Accessibility, WC, Shower, Lounge, and Lost and Found Office.
Free Wi-Fi available throughout the airport for up to 4 hours. ATMs are located in all terminals, offering multiple currencies.
Lost and found is available at the station.
Available at London Heathrow Airport: Parking, Taxis, WC.
Accessibility facilities are available at London Heathrow Airport: Assistance.
London Gatwick Airport is 1 km from London city centre. Public transport options include:
London Gatwick Airport has practical services for this route, including Wifi, Shopping, Parking, ATM, Taxis, Accessibility, WC, Shower, Lounge, and Lost and Found Office.
Free Wi-Fi available throughout the airport for 90 minutes. ATMs are located in both terminals, offering multiple currencies.
Lost and found is available at the station.
Available at London Gatwick Airport: Parking, Taxis, WC.
Accessibility facilities are available at London Gatwick Airport: Assistance.
London City Airport is 12 km from London city centre. Public transport options include:
London City Airport has practical services for this route, including Wifi, Shopping, Parking, ATM, Taxis, Accessibility, WC, Lounge, and Lost and Found Office.
Free Wi-Fi available throughout the airport. ATMs are located in the terminal.
Lost and found is available at the station.
Available at London City Airport: Parking, Taxis, WC.
Accessibility facilities are available at London City Airport: Elevators, ramps.
Luis Munoz Marin International Airport is 7 km from San Juan city centre. Public transport options include:
Luis Munoz Marin International Airport has practical services for this route, including Wifi, Shopping, Parking, Dining, ATM, Taxis, Accessibility, WC, Hotel, Shower, Lounge, Lost and Found Office, and Car Rental.
Food options include: Restaurants are located in terminals A, B, and C, including local Puerto Rican cuisine and fast food options like Burger King and Starbucks.
Free Wi-Fi available throughout the airport. ATMs are located throughout the airport, including near baggage claim and ticketingas.
Lost and found is available at the station.
Available at Luis Munoz Marin International Airport: Parking, Taxis, WC.
Available at Luis Munoz Marin International Airport: Car Rental.
Accessibility facilities are available at Luis Munoz Marin International Airport.
Nearby hotels include Hotels within walking distance, such as the San Juan Airport Hotel located on-site..
Here are some other resources that might have the information you need