Fare Guide

Estimated lowest fares found within 7 days

Cheapest Airline JetBlue Airways

The cheapest airline(s) flying from San Juan to London is JetBlue Airways.

  • JetBlue Airways JetBlue Airways
  • Air France Air France
  • KLM KLM
  • Virgin Atlantic Airways Virgin Atlantic Airways
  • British Airways British Airways
  • United Airlines United Airlines
  • Iberia Iberia
  • Lufthansa Lufthansa
  • American Airlines American Airlines
  • Avianca Avianca
Cheapest Month May

Travel Period: April 2025 - March 2026

The cheapest month(s) to fly from San Juan to London is May.

  • Apr 2025
  • May 2025
  • Jun 2025
  • Jul 2025
  • Aug 2025
  • Sep 2025
  • Oct 2025
  • Nov 2025
  • Dec 2025
  • Jan 2026
  • Feb 2026
  • Mar 2026
Cheapest Day of the Week Monday

The cheapest day(s) of the week to fly from San Juan to London is Monday.

  • Sun Sunday
  • Mon Monday
  • Tue Tuesday
  • Wed Wednesday
  • Thu Thursday
  • Fri Friday
  • Sat Saturday

Flight Schedules

Last Updated: Sun, 2 Mar, 2025

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  • Availability
    • M
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  • 21:20 SJU
    14:55 LHR
    13Hrs, 35m 1 Stop (MAD)
  • SJUSan Juan Luis Munoz Marin Intl Airport 21:20 - LHR 14:55 13h 35m 1 Stop (MAD) Madrid
  • SJUSan Juan Luis Munoz Marin Intl Airport 21:20
    MADMadrid Barajas Airport 13:25
  • MADMadrid Barajas Airport 10:25
    LHRLondon Heathrow Airport 14:55
  • 13h 35m (3h)
  • 1 Stop MAD · Madrid 3h
  • Iberia (IB 380)Airbus Industrie A330 200
    Iberia (IB 717)Airbus
  • Iberia (IB 380)
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    • T
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    • S
  • 14:10 SJU
    09:10 LHR
    15Hrs, 00m 1 Stop (EWR)
  • SJUSan Juan Luis Munoz Marin Intl Airport 14:10 - LHR 09:10 15h 1 Stop (EWR) New York City
  • SJUSan Juan Luis Munoz Marin Intl Airport 14:10
    EWRNewark Liberty International Airport 20:55
  • EWRNewark Liberty International Airport 17:29
    LHRLondon Heathrow Airport 09:10
  • 15h (3h 26m)
  • 1 Stop EWR · New York City 3h 26m
  • United Airlines (UA 1173)Boeing 767 400
    United Airlines (UA 16)Boeing 767
  • United Airlines (UA 1173)
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    • S
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  • 15:46 SJU
    11:05 LHR
    15Hrs, 19m 1 Stop (IAH)
  • SJUSan Juan Luis Munoz Marin Intl Airport 15:46 - LHR 11:05 15h 19m 1 Stop (IAH) Houston
  • SJUSan Juan Luis Munoz Marin Intl Airport 15:46
    IAHHouston George Bush Intercontinental Airport 19:55
  • IAHHouston George Bush Intercontinental Airport 18:54
    LHRLondon Heathrow Airport 11:05
  • 15h 19m (1h 01m)
  • 1 Stop IAH · Houston 1h 01m
  • United Airlines (UA 668)Boeing 737 Max 9 Passenger
    United Airlines (UA 5)Boeing 777
  • United Airlines (UA 668)
    • M
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How far is London from San Juan?

The flight distance between San Juan and London is 6758km. Check all available flights on Wego.

When is the earliest and latest flight of the day?

The earliest flight of the day departs at 14:10. The last flight of the day departs at 21:20. See the full list of flight times on Wego.