Cheap First Class flights to San Francisco
LHR — SFO
20 Nov — 27 Nov1
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Easily find flight tickets with no change feesCheap first class flights to San Francisco in 2025
Find the latest flights to San Francisco in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data were last updated on 21 October 2025.
Average Price | £6,144 |
|---|---|
Cheapest Price | £3,989 |
Top Rated Airline | Finnair |
No. of Airlines | 4 |
Arrival Airport | San Francisco Airport |
Find first class flight deals to San Francisco
Cheapest first class flights to San FranciscoExplore the most affordable first class flight options available to San Francisco. Find the lowest fares based on data from user searches, with prices last updated on 21 October 2025.
Explore the most affordable first class flight options available to San Francisco. Find the lowest fares based on data from user searches, with prices last updated on 21 October 2025.
Sun 11/110:15LHR - SFO
1 stop11h 21mBritish Airways
Wed 14/108:00SFO - LHR
1 stop14h 50mBritish Airways
Deal found 20/10£7,178
Sun 11/108:20LHR - SFO
1 stop32h 57mBritish Airways
Thu 15/108:00SFO - LHR
1 stop16h 15mBritish Airways
Deal found 19/10£9,113
Sat 20/1211:45LHR - SFO
Nonstop11h 15mAmerican Airlines
Thu 1/117:30SFO - LHR
Nonstop10h 30mAmerican Airlines
Deal found 20/10£10,239
Mon 3/1111:45LHR - SFO
1 stop18h 23mBritish Airways
Tue 12/506:07SFO - LHR
1 stop17h 58mBritish Airways
Deal found 21/10£10,583
Sun 11/111:45LHR - SFO
Nonstop11h 15mAmerican Airlines
Wed 14/109:00SFO - LHR
1 stop14h 20mAmerican Airlines
Deal found 20/10£16,542
Sun 11/115:25LHR - SFO
Nonstop11h 20mMultiple Airlines
Wed 14/120:40SFO - LHR
Nonstop10h 30mMultiple Airlines
Deal found 20/10£20,908
Travel insights for first class flights from United Kingdom to San Francisco
Get recent, data-driven insights about first class flights from United Kingdom to San Francisco including ideal travel times, pricing trends, and more.
Rainfall in San Francisco by month
Plan your trip to San Francisco by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 112.0 inches per month. January is typically the wettest month, when rainfall can reach 112.0 mm. July is typically the driest time to visit San Francisco when rainfall is around 0.0 mm.
Temperature in San Francisco by month
Plan your trip to San Francisco by taking into account the average temperature totals by month.
If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).