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Cheap first class flights to San Francisco in 2026
Find the latest flights to San Francisco in 2026, 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 17 July 2026.
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 17 July 2026.
Wed 11/1115:35
LHR
-
SFO
1 stop17h 08m
Multiple Airlines
Wed 18/1117:25
SFO
-
LHR
Nonstop10h 25m
Multiple Airlines
Deal found 13/7£5,353
Wed 11/1111:00
LHR
-
SFO
1 stop15h 20m
American Airlines
Wed 18/1107:04
SFO
-
LHR
1 stop15h 16m
American Airlines
Deal found 13/7£5,598
Thu 13/814:45
LHR
-
SFO
1 stop15h 33m
American Airlines
Thu 20/815:39
SFO
-
LHR
1 stop14h 46m
American Airlines
Deal found 13/7£5,650
Sat 15/814:45
LHR
-
SFO
1 stop15h 33m
American Airlines
Sat 22/813:45
SFO
-
LHR
1 stop15h 00m
American Airlines
Deal found 16/7£5,671
Fri 14/815:00
LHR
-
SFO
1 stop15h 40m
American Airlines
Fri 21/813:45
SFO
-
LHR
1 stop15h 00m
American Airlines
Deal found 17/7£5,917
Fri 30/1011:45
LHR
-
SFO
Nonstop11h 10m
American Airlines
Fri 13/1109:00
SFO
-
LHR
1 stop14h 20m
American Airlines
Deal found 12/7£6,264
Best first class flights to San Francisco
Discover carefully curated first class flight deals to San Francisco that have cost, travel time, and stopover in mind to ensure you get the best travel experience. Data last updated 17 July 2026.
Thu 13/814:45
LHR
-
SFO
1 stop15h 33m
American Airlines
Thu 20/815:39
SFO
-
LHR
1 stop14h 46m
American Airlines
Deal found 13/7£5,650
Sun 20/910:45
LHR
-
SFO
Nonstop11h 05m
British Airways
Sat 3/1019:30
SFO
-
LHR
Nonstop10h 25m
British Airways
Deal found 17/7£7,663
Sat 15/814:45
LHR
-
SFO
1 stop15h 33m
American Airlines
Sat 22/813:45
SFO
-
LHR
1 stop15h 00m
American Airlines
Deal found 16/7£5,671
Fri 30/1012:30
LHR
-
SFO
1 stop16h 09m
American Airlines
Fri 13/1109:00
SFO
-
LHR
1 stop14h 20m
American Airlines
Deal found 12/7£6,272
Fri 14/814:30
LHR
-
SFO
Nonstop11h 10m
British Airways
Fri 21/819:30
SFO
-
LHR
Nonstop10h 25m
British Airways
Deal found 17/7£7,788
Fri 14/810:45
LHR
-
SFO
Nonstop11h 05m
American Airlines
Fri 21/813:45
SFO
-
LHR
1 stop15h 00m
American Airlines
Deal found 17/7£6,861
Thu 13/808:55
LHR
-
SFO
1 stop23h 16m
Multiple Airlines
Deal found 13/7£2,334
Wed 22/715:40
LHR
-
SFO
1 stop15h 56m
Multiple Airlines
Deal found 17/7£3,629
Mon 14/914:30
LHR
-
SFO
Nonstop11h 10m
Finnair
Deal found 12/7£8,972
Sat 12/914:30
LHR
-
SFO
Nonstop11h 10m
American Airlines
Deal found 16/7£11,920
Thu 13/814:30
LHR
-
SFO
Nonstop11h 10m
British Airways
Deal found 12/7£11,945
Wed 11/1111:45
LHR
-
SFO
Nonstop11h 10m
Finnair
Deal found 13/7£9,003
One-way first class flights to San Francisco
Search for one-way first class flight options to San Francisco. Find affordable one-way fares based on user searches. Data last updated 17 July 2026.
Thu 13/808:55
LHR
-
SFO
1 stop23h 16m
Multiple Airlines
Deal found 13/7£2,334
Wed 22/715:15
LHR
-
SFO
1 stop16h 44m
Aer Lingus
Deal found 17/7£2,644
Wed 22/715:40
LHR
-
SFO
1 stop15h 56m
Multiple Airlines
Deal found 17/7£3,629
Mon 14/914:30
LHR
-
SFO
Nonstop11h 10m
Finnair
Deal found 12/7£8,972
Wed 11/1111:45
LHR
-
SFO
Nonstop11h 10m
Finnair
Deal found 13/7£9,003
Thu 13/810:45
LHR
-
SFO
Nonstop11h 05m
Finnair
Deal found 13/7£9,097
Quickest first class flights to San Francisco
Explore quickest first class flight options to San Francisco based on user searches, and compare prices and availability for your desired travel dates. Data last updated 17 July 2026.
Fri 30/1011:45
LHR
-
SFO
Nonstop11h 10m
American Airlines
Fri 13/1109:00
SFO
-
LHR
1 stop14h 20m
American Airlines
Deal found 12/7£6,264
Wed 11/1111:00
LHR
-
SFO
1 stop15h 20m
American Airlines
Wed 18/1107:04
SFO
-
LHR
1 stop15h 16m
American Airlines
Deal found 13/7£5,598
Thu 13/814:45
LHR
-
SFO
1 stop15h 33m
American Airlines
Thu 20/815:39
SFO
-
LHR
1 stop14h 46m
American Airlines
Deal found 13/7£5,650
Sat 15/814:45
LHR
-
SFO
1 stop15h 33m
American Airlines
Sat 22/813:45
SFO
-
LHR
1 stop15h 00m
American Airlines
Deal found 16/7£5,671
Fri 14/815:00
LHR
-
SFO
1 stop15h 40m
American Airlines
Fri 21/813:45
SFO
-
LHR
1 stop15h 00m
American Airlines
Deal found 17/7£5,917
Tue 28/714:25
LHR
-
SFO
1 stop16h 03m
American Airlines
Tue 4/813:39
SFO
-
LHR
1 stop15h 06m
American Airlines
Deal found 14/7£7,329
Thu 13/810:45
LHR
-
SFO
Nonstop11h 05m
Finnair
Deal found 13/7£9,097
Wed 22/710:45
LHR
-
SFO
Nonstop11h 05m
Finnair
Deal found 17/7£10,533
Mon 14/914:30
LHR
-
SFO
Nonstop11h 10m
Finnair
Deal found 12/7£8,972
Wed 11/1111:45
LHR
-
SFO
Nonstop11h 10m
Finnair
Deal found 13/7£9,003
Sat 12/914:30
LHR
-
SFO
Nonstop11h 10m
American Airlines
Deal found 16/7£11,920
Thu 13/814:30
LHR
-
SFO
Nonstop11h 10m
British Airways
Deal found 12/7£11,945
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.
GB0-SFO
LHR-SFO
Which month is the cheapest to fly First Class from the United Kingdom to San Francisco?
For First Class flights, the cheapest month to fly this route is April. The most expensive months are January and September.
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).
Frequently asked questions about San Francisco first class tickets
Find answers to common questions related to First Class tickets for flights to San Francisco. Get information on booking, amenities, upgrade options, and more. This FAQ section was last updated on 17 July 2026.
How many premium cabins does Finnair have for flights to San Francisco?
Finnair currently offers a couple premium cabin classes on flights to San Francisco: Business Class, Prem Economy Class and First Class. Still not enough? Try taking a look at other airlines or choosing a new departing point for more cabin options.
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