Book Cheap Flights from London to San Juan from just $635

Explore the best deals

Discover the cheapest flights from London to San Juan
emptyFilter
Prices shown below were available within the past 3 days for the period specified and should not be considered the final price offered. Please note that availability and prices are subject to change.

Cheapest time to fly from London to San Juan

Flexible with dates? We find the best price for the week of the day you select *Prices may vary after you search.
Filter by
week: 23 Feb - 1 Mar
$1,937
$1,990
$1,891
$1,213
$1,038
$2,628
$1,845
$1,207
$5,023
$3,760
$1,034
DecemberJanuaryFebruary

Local currency and cost comparison

TrainLocal, one-way ticket
84%Trains in San Juan are 84% cheaper than in London.
London$7.04
San Juan$1.14
MealMid-priced restaurant
24%A meal in San Juan is 24% cheaper than a meal in London.
London$40.22
San Juan$30.45
TaxiStandard daytime start rate
17740%Taxis are 17740% more expensive in San Juan than in London.
London$8.45
San Juan$1,507.45
CoffeeRegular cappuccino
32%Coffee in San Juan is 32% cheaper than in London.
London$8.08
San Juan$5.53
Exchange rate
1 AUD = 0.66 USD
1 USD = 1.53 AUD
Last revised on Fri, 5/12
Distance: 6758 kms
London airports
Heathrow (LHR)How far from city centre: 23 kms
Gatwick (LGW)How far from city centre: 40 kms
Luton International (LTN)How far from city centre: 43 kms
Stansted (STN)How far from city centre: 49 kms
London City (LCY)How far from city centre: 12 kms
Southend (SEN)How far from city centre: 57 kms
San Juan airports
Luis Munoz Marin International (SJU)How far from city centre: 11 kms

Flying between London and San Juan

They say the best thing about travel is that it makes you richer, and we couldn’t agree more. Fancy escaping the daily grind in London and discovering all the gems Puerto Rico has to offer? Some travellers like to plan their trip to San Juan ages ahead, while others just go with the flow and see where the adventure takes them, even Aussies who love a bit of last-minute spontaneity.

Don’t muck around, lock in your flight today with eDreams and get set for your next adventure at a cracking price!

Pro Tips for Booking Cheap Flights

Want to make sure you get the best deal on flights to San Juan? Here are some easy hacks:

  • Fly on the cheaper days: Flights from London are usually cheaper midweek, especially Tuesday to Thursday. Weekends and peak holidays are pricier, so a bit of flexibility can save you a packet.
  • Check out all the airlines: Check out both budget and traditional carriers. Shifting your travel dates can score you even better deals.
  • Book ahead: Leaving it to the last minute doesn’t always pay off. Booking early usually gives you more choice and better fares.
  • Check out package deals: If you need accommodation, have a squiz at our city break offers from London. Combine your flight with car hire in Puerto Rico for extra savings.
  • Join eDreams Prime: Members unlock exclusive discounts on flights, hotels, and car rentals all year round, plus enjoy extra flexibility.

Airlines flying from London to San Juan

Different airlines offer various cabin options, so you can tailor your trip to your style and budget. Keep these tips in mind:

  • Grab the best seat: Extra legroom or spots near amenities are handy, especially if flying with kids.
  • Keep hydrated: Airplane cabins can be dry, so drink plenty of water on board.
  • Bring headphones or earplugs: Block out noise and enjoy a more relaxed journey.
  • Move around: Stretch your legs mid-flight to improve circulation and stay comfy.

Flight Time from London to San Juan

Pack light but smart for a smooth trip. Essentials like comfy clothes, a neck pillow, and a good book or downloaded shows will make the hours fly by.

Airports in London and San Juan

London Airport(s)

Grab cheap flights from London to San Juan easily with eDreams. At London airport, you’ll find shops, cafés, duty-free, and free Wi-Fi. Whether you need a snack, a bit of work, or a souvenir, you’re covered before take-off.

San Juan Airport(s)

Once you land, pick up your luggage and get connected. You can grab a local SIM card for easy navigation, or jump on a taxi, bus, or shuttle straight from the airport. Need help? Ask at the info desk for the best way to reach your digs.

Booking Your Flight from London to San Juan

Booking with eDreams is simple. Enter London and San Juan, choose your dates, and browse hundreds of flight options. Our smart search engine finds the most convenient and affordable routes for you. Look out for our “Smart Choice” label, which flags the best value option right at the top.

Price Changes on Your Booking

Airline ticket prices can jump quickly depending on demand. To lock in the best fare, we recommend booking as soon as you spot a ticket that suits your budget.

Last-Minute Flight Deals

Need a last-minute flight? eDreams has heaps of options, often at fair prices. While fares can be higher in peak season, flexibility with dates can still score a bargain.

Why Join eDreams Prime?

Prime members enjoy exclusive discounts and save big on flights, hotels, and car rentals. Sign up today and take advantage of the world’s largest travel subscription service for frequent travellers.

How to Complete Your Flight Check-In

Online check-in usually opens 24-48 hours before departure. eDreams will send a reminder email with all the deets for smooth check-in. You can also grab the eDreams app for auto check-in, boarding pass access, and real-time flight updates.

When to Travel from London to San Juan

Puerto Rico is packed with unique experiences, from tasty cuisine and cultural traditions to stunning art and natural landscapes. Peak season brings crowds and a lively atmosphere, while off-season means cheaper flights and hotels with fewer tourists around.

Weather forecast for San Juan

Before you fly, check the weather so you pack right. Light layers for warmer days or jackets for cooler times will keep your trip comfy and stress-free.

Must-do experiences in San Juan

San Juan has plenty for all kinds of travellers. From historic spots and museums to modern landmarks and buzzing nightlife, there’s always something happening. Foodies can tuck into authentic United Kingdom flavours, while nature lovers can explore Puerto Rico’s scenery. Flying solo, with a partner, or the whole fam, San Juan offers unforgettable experiences.

How Many Days Should You Spend in San Juan?

We reckon 3-7 days is ideal, enough time to see main sights, soak up the culture, and still relax. Longer stays let you explore more neighbourhoods and try extra restaurants.

Thinking of hiring a car in Puerto Rico?

Hiring a car gives freedom to explore beyond San Juan. Staying a week or more? It’s the top way to check out nearby regions, countryside, or coastline at your own pace.

Find great flight deals from London to San Juan

Score top flight deals on eDreams, plus hotels, car rentals, and all the rest for your trip. Pop in your travel details and start planning. With over 155,000 routes, 690 airlines, and 2.1 million hotels worldwide, eDreams opens up endless possibilities. Package deals can help you save even more.

Don’t muck around, book your cheap flight from London today and start your adventure!

FAQs about flights from London to San Juan

Can I get a flexible ticket for my trip from London to San Juan?
At eDreams, we want your trip to run smoothly. Whether your flight gets canned or Puerto Rico suddenly changes travel rules, you’ll be covered. Flight cancelled? No dramas! With our flexible ticket option, you can rebook your London to San Juan flight with no change fee, or grab a full refund.
How do I score the cheapest flights from London to San Juan with eDreams?
Right now, the lowest fare from London to San Juan is $ 635. Thanks to our clever tech, we line up the top flight options, mixing and matching routes, airlines, and timetables to nail both value and convenience.
Is San Juan more expensive than London?
In San Juan, taxis are about 17740% pricier, costing roughly 1507.45 AUD, compared with London where a ride averages 8.45 AUD.
Fares are roughly 84% cheaper in San Juan, with tickets priced at 1.14 AUD compared to 7.04 AUD in London.
Meals in San Juan cost around 30.45 AUD, which is about 24% less than the 40.22 AUD you’d fork out in London.
Coffee is roughly 32% cheaper in San Juan, coming in at 5.53 AUD, compared to 8.08 AUD in London.
What’s the average flight time from London to San Juan?
A standard flight between London and San Juan takes around 11:55 hours, covering about 8,007 km. This includes both direct flights and connections.
How does the weather in San Juan compare with London?
In summer, London usually sees highs around 29.01 ºC with rainfall near 9 mm. Over in San Juan, temps sit around 31.42 ºC with average rain of 9 mm. In winter, San Juan averages about 20.91 ºC, while London hovers near -3.09 ºC. Rainfall hits around 6 mm in London, compared with 9 mm in San Juan.

Plan your trip

Popular Flight RoutesAlternative routes