Cheap flights from San Juan, United States to London, United Kingdom
Flights starting at £178. Choose between Frontier Airlines, Ryanair, or JetBlue Airways to find the best price.
Make your travel wishlist, we'll do the rest
Hidden deals
Kiwi-Code uncovers prices airlines don't want you to see.
Effortless booking
Use our flexible filters to tailor your search.
Travel hacking
Look out for the travel hack star icon for even cheaper fares.
Tips to know when travelling to London
Cheapest one-way trip | £178 |
---|---|
Cheapest round-trip | £450 |
Average round-trip | £567 |
Includes rare itinerary | |
Most popular airline | Frontier Airlines |
Search by stops
- Nonstop
- Up to 1 stop
- Up to 2 stops
Search by carrier
Search by price
Search by departure date
![Mailbox](http://images.kiwi.com/illustrations/0x90/Mailbox-Q85.png)
Receive exclusive deals by email
By subscribing you agree to receive offers according to the conditions described in our Privacy Policy.
Travelers usually depart from Luis Muñoz Marín International, or Fernando Luis Ribas Dominicci when they travel from San Juan to London. Book your trip to arrive at Gatwick, Heathrow, London Stansted, Luton, or London City. The most popular airlines for this route are Frontier Airlines, Ryanair, JetBlue Airways, Norse Atlantic Airways, and easyJet. San Juan and London have 401 direct flights per week. When you arrive at London, consider visiting Natural History Museum, British Museum, Tate Modern, Portsea Island, Tower of London, Isle of Wight, Avebury, Canterbury Cathedral, Stonehenge, St. Paul's Cathedral, and Roman Baths, Bath.
Check-in for a flight from San Juan to London
Name | Carrier code | IATA Code | Passport needed during booking | |
---|---|---|---|---|
Frontier Airlines | FFT | F9 | No | |
Ryanair | RYR | FR | No | |
JetBlue Airways | JBU | B6 | No | |
Norse Atlantic Airways | NBT | N0 | No | |
easyJet | EZY | U2 | No |
Online check-in is not available for these airlines.
Weather in London
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 7°C | 2°C |
February | 8°C | 3°C |
March | 11°C | 4°C |
April | 14°C | 5°C |
May | 17°C | 8°C |
June | 20°C | 11°C |
July | 22°C | 14°C |
August | 22°C | 14°C |
September | 19°C | 12°C |
October | 15°C | 9°C |
November | 10°C | 6°C |
December | 8°C | 3°C |
14 day forecast
Frequently asked questions
Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any A and any B in the world by plane, train, and bus. Find the cheapest routes and best deals for you, as well as the best dates on which to travel.
Explore alternative trips
Flights from San Juan
- Flights from San Juan to Orlando
- Flights from San Juan to New York
- Flights from San Juan to Madrid
- Flights from San Juan to Philadelphia
- Flights from San Juan to Barcelona
- Flights from San Juan to Fort Lauderdale
- Flights from San Juan to Paris
- Flights from San Juan to Washington, D.C.
- Flights from San Juan to Hartford
- Flights from San Juan to Guadalajara
- Flights from San Juan to Minneapolis
- Flights from San Juan to Raleigh
- Flights from San Juan to Tampa
- Flights from San Juan to Boston
- Flights from San Juan to Nashville
- Flights from San Juan to Santo Domingo
- Flights from San Juan to Chicago
- Flights from San Juan to Atlanta
- Flights from San Juan to Saint Thomas
- Flights from San Juan to Los Angeles
Flights to London
- Flights from Reykjavik to London
- Flights from Bucharest to London
- Flights from Athens to London
- Flights from Dublin to London
- Flights from Istanbul to London
- Flights from Lisbon to London
- Flights from Sofia to London
- Flights from Tirana to London
- Flights from New York to London
- Flights from Edinburgh to London
- Flights from Belfast to London
- Flights from Larnaca to London
- Flights from Glasgow to London
- Flights from Málaga to London
- Flights from Antalya to London
- Flights from Faro to London
- Flights from Thessaloniki to London
- Flights from Budapest to London
- Flights from Madrid to London
- Flights from Alicante to London
Popular routes
- Flights from Belfast to Amsterdam
- Flights from London to Bucharest
- Flights from Bristol to Hurghada
- Flights from London to Barcelona
- Flights from Fes to Manchester
- Flights from Taipei to Ishigaki, Okinawa
- Flights from London to Tours
- Flights from Tokyo to Jakarta
- Flights from Prague to Reykjavik
- Flights from Lagos to Benin City
- Flights from Reykjavik to Akureyri
- Flights from Milan to Paris