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Flights from London to San Juan

Find cheap flights from London to San Juan

Find cheap London to San Juan flights. One way flights from US$524, round trip flights from US$710 (next 3 months).

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

London to San Juan Flight Information

The distance between London and San Juan is approximately 3,081.95 km. The most popular month to fly to San Juan is March. The off-season for travel is April.

Cheapest one-way flight price US$524
Cheapest round-trip ticket price US$710
Off-season for travel April
Peak season for travel March
Flight distance 3,081.95 km

When is the cheapest time to book flights from London to San Juan?

Best time for cheap flights from London to San Juan are between Aug 24 and Aug 31 with one way fares from US$523

Cheapest flights
From price
Search
  • 20 27

  • Aug

    27 3
  • 3 10
  • 10 17
  • 17 24
  • 24 31

  • Sep

    31 7
  • 7 14
  • 14 21
  • 21 28

  • Oct

    28 5
  • 5 12
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • When are flight tickets from London (YXU) to San Juan (SJU) the cheapest?

    Airlines adjust prices for flights from London to San Juan based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from London (YXU) to San Juan (SJU) cost?

    According to Trip.com's data, the lowest price is around $221.

How to find a cheap flight from London to San Juan

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from London to San Juan. Book your flights at the right time and save more.
1
Being flexible with your dates to get the cheapest London to San Juan ticket.
Tap "Date" on flight search bar to scan through the calender for London to San Juan airfare over next 6 months in 2025.
2
Compare cheap London to San Juan flight deals from over hundreds of airlines.
Our extensive search allows you to compare prices from over 500 airlines to choose the cheapest flight tickets from London to San Juan.
3
Set up a Price Alert
By setting up a Price Alert for your London to San Juan route, you can easily track the price of your airline tickets from London to San Juan without manually checking every day.
4
Don't miss cheap London to San Juan flight deals and promo codes.
You can always get the latest deals through Trip.com Deals and Promo Codes for cheap flights for cheap flights. If registering a free membership, you can receive more deals for your flights.
5
Book early or wait unitl the last minute.
It's always better to book early. Flight tickets tend to be the cheapest when they are first released, normally about a year before the departure date. So, check online as soon as the flights you want become available. If you miss the cheapest time, you can still find lower-priced tickets as the flight date approaches.
6
Search for flights on the go.
To get the best flight booking experience on the go, download Trip.com free app and search for cheap flight tickets from London to San Juan to get exclusive deals for you.

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