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British Airways flights from London to San José (LON - SJO)

LON — SJO
31 Aug — 7 Sep1
1 adult
1 adult, Economy, 0 bags

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Cheapest British Airways flights from London to San José
Explore the most affordable British Airways flight options available from London to San José. Find the lowest fares with prices last updated on 1 August 2026.

Mon 31/819:15
LCY
-
SJO
1 stop26h 20m
British Airways
Mon 18/117:25
SJO
-
LCY
1 stop14h 50m
British Airways
Deal found 30/7£831
Sun 16/809:15
LHR
-
SJO
1 stop34h 11m
British Airways
Tue 18/813:03
SJO
-
LHR
1 stop34h 17m
British Airways
Deal found 29/7£901
Mon 17/810:05
LHR
-
SJO
1 stop34h 47m
British Airways
Sat 22/813:03
SJO
-
LHR
1 stop16h 47m
British Airways
Deal found 30/7£909

  • How do most travelers feel about British Airways?

    The average rating from 8,136 British Airways reviews by Cheapflights users is 6.7 (out of a maximum rating of 10). If you are considering flying LON-SJO with Cheapflights, apply your desired dates to the form above to see our best pricing for your trip to San José with British Airways.

  • Can I get a flight from London to San José on British Airways for under £817?

    Cheapflights users have found 11 British Airways flights for under £817 on the LON-SJO route. Prices on flights to San José from London can vary based on many factors including dates. To look at price based on your preferred dates, click here.

British Airways flights from London to San José in 2026

Find detailed information about British Airways flights from London to San José. Explore the options provided by British Airways to plan your journey from London to San José. Data last updated 1 August 2026.

One-way from

£536

Return from

£678

Popular in

December

Cheapest in

September

Average price (all airlines)

£765
British Airways
  • British Airways
  • 27/10
  • Nonstop
  • 11h 30m total
  • London to San José
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British Airways
  • British Airways
  • 13/11-20/11
  • Nonstop
  • 21h 40m total
  • London to San José
Search Deals
Highest demand for flights from London to San José Juan Santamaria Intl; 3% potential price increase.
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Best time to find cheap flights from London to San José Juan Santamaria Intl; 2% potential price drop.
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Average price for all London to San José Juan Santamaria Intl flights (one-way and round-trip).
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Which month is the cheapest to fly Economy class from London to San José?

For Economy class flights, the cheapest month to fly this route is May. The most expensive months are July and December.

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 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 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, 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).

When is the best time to book a flight to San José with British Airways?

The best time to book a flight to San José with British Airways is 42 days before departure. On average, fares are higher if you book 5 days before departure.

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

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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 1 August 2026.
United Airlines flights from London to San José Juan Santamaria Intl
Air Canada flights from London to San José Juan Santamaria Intl

See what others are saying about British Airways

Read reviews and see what other travellers are saying about their experiences with British Airways. 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 British Airways for your next flight. Reviews last updated 1 August 2026.
British Airways
6.7
Okay
8,136 reviews
Check prices
Overview

Entertainment

6.5

Boarding

7.0

Comfort

6.8

Food

6.4

Crew

7.7

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