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United Airlines flights from London Heathrow Airport to San José (LHR - SJO)

LHR — SJO
16 Jul — 23 Jul1
1 adult

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 Heathrow to San José in 2025

Find detailed information about United Airlines flights from Heathrow to San José. Explore the options provided by United Airlines to plan your journey from Heathrow to San José. Data last updated 11 July 2025.

One-way from

£826

Return from

£589

Popular in

December

Cheapest in

November

Average price (all airlines)

£730
United Airlines
  • United Airlines
  • 17/12
  • 2 total stops
  • 29h 52m total
  • London to San José
United Airlines
  • United Airlines
  • 25/8-1/9
  • 3 total stops
  • 45h 34m total
  • London to San José
Highest demand for flights from London Heathrow to San José Juan Santamaria Intl; 4% potential price increase.
Best time to find cheap flights from London Heathrow to San José Juan Santamaria Intl; 3% potential price drop.
Average price for all London Heathrow to San José Juan Santamaria Intl flights (one-way and round-trip).
  • How do most travelers feel about United Airlines?

    When planning your LHR-SJO trip, keep in mind that United Airlines is typically rated 7.0/10. This rating comes from 515 reviews by Cheapflights users who have traveled with United Airlines.

Find United Airlines flight deals from Heathrow to San José

Cheapest United Airlines flights from Heathrow to San José
Explore the most affordable United Airlines flight options available from Heathrow to San José. Find the lowest fares with prices last updated on 11 July 2025.

Mon 25/816:40LHR - SJO
2 stops26h 46mUnited Airlines
Mon 1/908:37SJO - LHR
1 stop18h 48mUnited Airlines
Deal found 11/7£589

Travel insights for United Airlines flights from Heathrow to San José

Get recent, data-driven insights about United Airlines flights from Heathrow to San José including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from London Heathrow Airport to San José, San José Province with United Airlines?

Use this chart to determine the optimal time to book a return flight from Heathrow to San José. Price data was last updated on 4 July 2025.

Booking with United Airlines 14 days in advance of your planned departure date is, on average, the best time to get cheap flights from London Heathrow Airport 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 Heathrow Airport to San José, San José Province with United Airlines?

Currently, the most affordable month to book a United Airlines flight from London Heathrow Airport to San José, San José Province in February, with an average price of £497. Conversely, traveling with United Airlines from London Heathrow Airport to San José, San José Province in December will be the most expensive, with an average cost of £645. 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 Heathrow to San José

Have a flexible travel schedule? Discover the best time to fly to San José from Heathrow 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.

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Other United Airlines flights from Heathrow

Browse through other United Airlines flights departing from Heathrow. Flight routes are based on user searches made on Cheapflights and were last updated on 11 July 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 11 July 2025.
United Airlines
7.4
Good
8,846 reviews
Overview

Boarding

7.7

Crew

8.1

Entertainment

7.0

Comfort

7.3

Food

6.6

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