£225 Cheap Flights from San Juan (SJU) to London (LHR)

Popular airlines from Luis Munoz Marin Intl. Airport (SJU) to Heathrow Airport (LHR)

Cheap Flights from San Juan (SJU) to London (LHR)

Prices were available within the past 7 days and start at £225 for one-way flights and £592 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Iberia
British Airways
KLM
KLM
KLM
British Airways
Air France
Air France
Iberia
Delta

Frequently asked questions

How much does a flight from San Juan (SJU-Luis Munoz Marin Intl.) to London (LHR-Heathrow) cost?
One-way flights typically cost between £275 and £1,903 and return flights often range between £275 and £1,903. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Anaa (AAA) to Toronto, ON (YYZ-Pearson Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from San Juan (SJU-Luis Munoz Marin Intl.) to London (LHR-Heathrow)?
February is typically the cheapest month to fly from San Juan (SJU-Luis Munoz Marin Intl.) to London (LHR-Heathrow), with average return fares of approximately £452. This is about 28% lower than the average price throughout the year. February often sees lower prices as it falls outside of peak holiday seasons, leading to reduced demand. Other cheap months to fly from San Juan (SJU-Luis Munoz Marin Intl.) to London (LHR-Heathrow) include October and November.*Averages based on flights available on Expedia in the last year.
How do I find cheap flights from San Juan (SJU-Luis Munoz Marin Intl.) to London (LHR-Heathrow)?
To find a cheap flight from San Juan (SJU-Luis Munoz Marin Intl.) to London (LHR-Heathrow), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from San Juan (SJU-Luis Munoz Marin Intl.) to London (LHR-Heathrow)?
The best time to fly from San Juan (SJU-Luis Munoz Marin Intl.) to London (LHR-Heathrow) is February. This month offers a great balance, as it's one of the cheapest times to fly, with average return flights around £452, and it's also a popular month for travel, meaning you'll have plenty of flight options. While October is also a cheap month, February gives you the added benefit of more choices for your travel plans.*Prices based on flights available on Expedia in the last year.
How many flights per day from San Juan (SJU-Luis Munoz Marin Intl.) to London (LHR-Heathrow)?
There are approximately 49 connecting flights per day from San Juan (SJU-Luis Munoz Marin Intl.) to London (LHR-Heathrow). Some common connection points include John F. Kennedy Intl. (JFK), Logan Intl. (BOS), and Hartsfield-Jackson Atlanta Intl. (ATL).
What is the earliest flight from San Juan (SJU-Luis Munoz Marin Intl.) to London (LHR-Heathrow)?
The earliest flight from San Juan (SJU-Luis Munoz Marin Intl.) to London (LHR-Heathrow) typically departs around 12:55 AM local time. This service is operated by American Airlines and is seasonal, active in April and May. An early departure like this can help you maximise your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from San Juan (SJU-Luis Munoz Marin Intl.) to London (LHR-Heathrow)?
You'll find the most flights from San Juan (SJU-Luis Munoz Marin Intl.) to London (LHR-Heathrow) on a Saturday, with around 53 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include American Airlines, Delta Air Lines, and United Airlines. Flight schedules are consistent throughout the week.
What are the most popular departure times for flights from San Juan (SJU-Luis Munoz Marin Intl.) to London (LHR-Heathrow)?
The most popular departure times for flights from San Juan (SJU-Luis Munoz Marin Intl.) to London (LHR-Heathrow) are in the afternoon, from 12pm to 3pm. About 41% of passengers prefer this time. Many major carriers, including Delta, Virgin Atlantic and American Airlines, offer flights during this window. This timing works well because it allows you to enjoy a leisurely morning before heading to the airport, and you'll arrive in London ready to start your day.
How long does it take to fly from San Juan (SJU-Luis Munoz Marin Intl.) to London (LHR-Heathrow)?
Flying from SJU to LHR with a connection usually takes about 14 hours 50 minutes, traveling roughly 4,183 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from San Juan (SJU-Luis Munoz Marin Intl.) to London (LHR-Heathrow)?
Select the "Business class" and "First class" filters when looking for SJU to LHR flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a San Juan (SJU-Luis Munoz Marin Intl.) to London (LHR-Heathrow) flight with Expedia?
It's easy to earn miles on a San Juan (SJU-Luis Munoz Marin Intl.) to London (LHR-Heathrow) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for London from Luis Munoz Marin Intl. (SJU)?
From Luis Munoz Marin Intl. (SJU), you can fly into London Intl. (YXU), Gatwick (LGW), London City (LCY) and Heathrow (LHR) in London. Some flights may connect through major hubs like Liberty Intl. (EWR), O'Hare Intl. (ORD), Washington Dulles Intl. (IAD) before reaching London. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from San Juan (SJU-Luis Munoz Marin Intl.) to London (LHR-Heathrow) at the last minute?
Typically, booking a last minute flight from San Juan (SJU-Luis Munoz Marin Intl.) to London (LHR-Heathrow) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a San Juan (SJU-Luis Munoz Marin Intl.) to London (LHR-Heathrow) flight and hotel package?
Securing a San Juan (SJU-Luis Munoz Marin Intl.) to London (LHR-Heathrow) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from San Juan (SJU-Luis Munoz Marin Intl.) to London (LHR-Heathrow)?
If you booked your San Juan (SJU-Luis Munoz Marin Intl.) to London (LHR-Heathrow) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Luis Munoz Marin Intl.
Destination airport
Heathrow
Airlines serving
Aer Lingus, Air Canada, Air France, British Airways, Finnair, Iberia, Icelandair, JetBlue Airways, KLM, Lufthansa, TAP Portugal, Virgin Atlantic, avianca
Return price
£592
Distance
6691 km

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