Cheap flights from San Juan to London Heathrow from $1,021

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Cheap San Juan - London Heathrow flight offers

Find cheap flight tickets and last-minute flight deals from San Juan to London Heathrow

Iberia
Sat, 05/15 (SJU) San Juan -> (LHR) London
Iberia
Thu, 05/20 (LHR) London -> (SJU) San Juan
Price found 6 days ago
from $930
United
Tue, 07/21 (SJU) San Juan -> (LHR) London
United
Tue, 07/28 (LHR) London -> (SJU) San Juan
Price found 4 days ago
from $1,021

Info about flights from San Juan to London Heathrow

Some useful info about flights from San Juan to London Heathrow to help you plan your next trip

Best price last 15 days $1,021
Average flight duration 10h 29m
Cheapest month January
Average number of flights per week 1
First flight time 00:59
Last flight time 23:59
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Top airlines on the route San Juan - London Heathrow

Airlines providing flights to London Heathrow from San Juan

British Airways
British Airways
DELTA
DELTA
Iberia
Iberia
United
United

How much is a ticket from San Juan to London Heathrow?

Depending on when you travel and how far in advance you book, fares between San Juan and London can differ a lot.

The lowest fare seen in the past 15 days was $1,021.

If you’re flexible with timing, consider overnight flights — they often cost less and are less crowded. Exploring multiple date and time combinations can help you find the cheapest solution.

Airport options between San Juan and London

Even for routes around 4182 mi, using different airports might affect flight cost and travel time.

  • Airports in San Juan: Isla Grande is another option close to San Juan - Luis Muñoz Marín.
  • Airports in London: London offers flights from 6 airports - City Airport, Gatwick, Heathrow, Luton, Southend, Stansted.

Checking the average travel time to the airport can help you plan better. For some routes, changing your arrival or departure airport might also affect the price.

Flights from San Juan - Luis Muñoz Marín to London - Heathrow

Plan smarter: flights from San Juan to London Heathrow

Find the flight that fits your plans with Jetcost. You can filter results by stops, agencies, budget, time of day, and airline — all in one search.

Other popular destinations

Travelers flying to United Kingdom also checked out: Edinburgh, Glasgow, London, Manchester, Newquay.

Comparing offers from multiple agencies helps you find the best price for the same route. You can also spot exclusive deals from individual airlines right in the results list.
Frequently Asked Questions

Frequently asked questions about flights from San Juan to London Heathrow.

How much does an airline ticket from San Juan to London Heathrow cost?

The lowest price recorded in the last 15 days for a flight from San Juan to London Heathrow is $1,021.

How far is San Juan from London?

San Juan is about 4182 mi from London.

What are the airports in London?

London has 6 airports: City Airport, Gatwick, Heathrow, Luton, Southend, Stansted.

What are the airports in San Juan?

San Juan has another airport: Isla Grande.

What are the most popular cities in United Kingdom?

The most popular cities in United Kingdom according to our users' searches are: Edinburgh, Glasgow, London, Manchester, Newquay.

When should I book a flight from San Juan to London?

The best time to book a flight from San Juan to London is 1 month in advance, while the worst time is 9 weeks in advance.

What is the cheapest month to fly from San Juan to London?

The cheapest month to fly from San Juan to London is January.

What is the most expensive month to fly from San Juan to London?

The most expensive month to fly from San Juan to London is July.

What is the best day of the week to fly from San Juan to London?

For flights from San Juan to London Thursday is on average the cheapest day to fly, while Tuesday is the most expensive day to fly.