Find flights
Flight research
Deals
United Airlines Reviews
Sign in
English
United Airlines flights from London to San José (LON - SJO)
LON — SJO
16 Oct — 23 Oct1
Cheapflights users flying from London to San José on United Airlines typically fly into San José Juan Santamaria Intl and depart from London Heathrow. Select your dates above for pricing.
United Airlines flights from London to San José in 2025
Find detailed information about United Airlines flights from London to San José. Explore the options provided by United Airlines to plan your journey from London to San José. Data last updated 16 September 2025.
Find United Airlines flight deals from London to San José
Cheapest United Airlines flights from London to San JoséExplore the most affordable United Airlines flight options available from London to San José. Find the lowest fares with prices last updated on 16 September 2025.
Explore the most affordable United Airlines flight options available from London to San José. Find the lowest fares with prices last updated on 16 September 2025.
Thu 30/1011:30LHR - SJO
2 stops26h 02mUnited Airlines
Thu 6/1109:40SJO - LHR
1 stop20h 20mUnited Airlines
Deal found 15/9£611
Thu 16/1008:30LHR - SJO
2 stops29h 45mUnited Airlines
Thu 30/1008:40SJO - LHR
1 stop21h 20mUnited Airlines
Deal found 15/9£614
Sat 18/1012:20LHR - SJO
1 stop25h 55mUnited Airlines
Sat 1/1108:40SJO - LHR
1 stop40h 45mUnited Airlines
Deal found 15/9£634
Travel insights for United Airlines flights from London to San José
Get recent, data-driven insights about United Airlines flights from London to San José including ideal travel times, pricing trends, and more.
How far ahead should I book a flight from London to San José, San José Province with United Airlines?
Use this chart to determine the optimal time to book a return flight from London to San José. Price data was last updated on 12 September 2025.
Booking with United Airlines 67 days in advance of your planned departure date is, on average, the best time to get cheap flights from London to San José, San José Province. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from London to San José, San José Province with United Airlines?
Currently, the most affordable month to book a United Airlines flight from London to San José, San José Province in February, with an average price of £494. Conversely, traveling with United Airlines from London to San José, San José Province in December will be the most expensive, with an average cost of £601. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.
Rainfall in San José by month
Plan your trip to San José by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in San José, San José Province ranges from 0.0 - 300.0 inches per month. September is typically the wettest month, when rainfall can reach 300.0 mm. February is typically the driest time to visit San José, San José Province when rainfall is around 0.0 mm.
Temperature in San José by month
Plan your trip to San José by taking into account the average temperature totals by month.
If weather is an important factor for your trip to San José, San José Province, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 18.0 C).
Best time to book a flight from London to San José
Have a flexible travel schedule? Discover the best time to fly to San José from London with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Fly from London to San José on another airline
Consider alternative airlines that service the San José area. Flight routes are based on user searches made on Cheapflights and were last updated on 16 September 2025.
See what others are saying about United Airlines
Read reviews and see what other travellers are saying about their experiences with United Airlines. Get insights from real passengers regarding the airline's services, customer satisfaction, and overall travel experience. Use these reviews to inform your decision when choosing United Airlines for your next flight. Reviews last updated 16 September 2025.
United Airlines
8,924 reviews
Overview
Entertainment
7.1
Food
6.6
Crew
8.1
Boarding
7.7
Comfort
7.3