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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 24 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 24 July 2026.
Wed 18/1111:45
LHR
-
SFO
Nonstop11h 10m
American Airlines
Wed 25/1107:26
SFO
-
LHR
1 stop14h 54m
American Airlines
Deal found 20/7£4,392
Wed 18/1111:45
LHR
-
SFO
Nonstop11h 10m
Multiple Airlines
Wed 25/1120:35
SFO
-
LHR
Nonstop10h 35m
Multiple Airlines
Deal found 20/7£4,882
Thu 20/815:00
LHR
-
SFO
1 stop15h 40m
American Airlines
Thu 27/813:45
SFO
-
LHR
1 stop15h 00m
American Airlines
Deal found 20/7£5,735
Thu 1/1016:55
LHR
-
SFO
1 stop14h 56m
American Airlines
Sat 17/1008:55
SFO
-
LHR
1 stop14h 00m
American Airlines
Deal found 24/7£5,840
Thu 20/814:30
LHR
-
SFO
Nonstop11h 10m
Multiple Airlines
Thu 27/816:35
SFO
-
LHR
Nonstop10h 25m
Multiple Airlines
Deal found 20/7£5,880
Fri 4/910:45
LHR
-
SFO
Nonstop11h 05m
American Airlines
Fri 11/916:35
SFO
-
LHR
Nonstop10h 25m
American Airlines
Deal found 21/7£5,959
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 24 July 2026.
Wed 18/1111:45
LHR
-
SFO
Nonstop11h 10m
Multiple Airlines
Wed 25/1120:35
SFO
-
LHR
Nonstop10h 35m
Multiple Airlines
Deal found 20/7£4,882
Thu 20/815:00
LHR
-
SFO
1 stop15h 40m
American Airlines
Thu 27/813:45
SFO
-
LHR
1 stop15h 00m
American Airlines
Deal found 20/7£5,735
Fri 25/1211:45
LHR
-
SFO
Nonstop11h 10m
British Airways
Tue 12/120:35
SFO
-
LHR
Nonstop10h 35m
British Airways
Deal found 23/7£6,005
Thu 1/1016:55
LHR
-
SFO
1 stop14h 56m
American Airlines
Sat 17/1008:55
SFO
-
LHR
1 stop14h 00m
American Airlines
Deal found 24/7£5,840
Fri 4/910:45
LHR
-
SFO
Nonstop11h 05m
American Airlines
Fri 11/916:35
SFO
-
LHR
Nonstop10h 25m
American Airlines
Deal found 21/7£5,959
Thu 1/1014:30
LHR
-
SFO
Nonstop11h 10m
British Airways
Sat 17/1016:35
SFO
-
LHR
Nonstop10h 25m
British Airways
Deal found 24/7£7,213
Thu 20/816:25
LHR
-
SFO
1 stop15h 46m
Multiple Airlines
Deal found 20/7£2,494
Thu 17/910:30
LHR
-
SFO
1 stop18h 00m
British Airways
Deal found 21/7£3,834
Wed 16/918:05
LHR
-
SFO
1 stop25h 43m
Multiple Airlines
Deal found 22/7£3,833
Fri 25/910:45
LHR
-
SFO
Nonstop11h 05m
Finnair
Deal found 21/7£11,555
Mon 7/914:30
LHR
-
SFO
Nonstop11h 10m
American Airlines
Deal found 23/7£12,040
Sun 27/910:45
LHR
-
SFO
Nonstop11h 05m
Finnair
Deal found 21/7£12,040
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 24 July 2026.
Thu 20/816:25
LHR
-
SFO
1 stop15h 46m
Multiple Airlines
Deal found 20/7£2,494
Wed 16/918:05
LHR
-
SFO
1 stop25h 43m
Multiple Airlines
Deal found 22/7£3,833
Thu 20/814:30
LHR
-
SFO
Nonstop11h 10m
British Airways
Deal found 20/7£3,977
Fri 25/910:45
LHR
-
SFO
Nonstop11h 05m
Finnair
Deal found 21/7£11,555
Mon 7/914:30
LHR
-
SFO
Nonstop11h 10m
American Airlines
Deal found 23/7£12,040
Thu 3/910:45
LHR
-
SFO
Nonstop11h 05m
Finnair
Deal found 22/7£12,045
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 24 July 2026.
Fri 4/910:45
LHR
-
SFO
Nonstop11h 05m
American Airlines
Fri 11/916:35
SFO
-
LHR
Nonstop10h 25m
American Airlines
Deal found 21/7£5,959
Wed 18/1111:45
LHR
-
SFO
Nonstop11h 10m
American Airlines
Wed 25/1107:26
SFO
-
LHR
1 stop14h 54m
American Airlines
Deal found 20/7£4,392
Wed 18/1111:45
LHR
-
SFO
Nonstop11h 10m
Multiple Airlines
Wed 25/1120:35
SFO
-
LHR
Nonstop10h 35m
Multiple Airlines
Deal found 20/7£4,882
Thu 20/814:30
LHR
-
SFO
Nonstop11h 10m
Multiple Airlines
Thu 27/816:35
SFO
-
LHR
Nonstop10h 25m
Multiple Airlines
Deal found 20/7£5,880
Fri 25/1211:45
LHR
-
SFO
Nonstop11h 10m
British Airways
Tue 12/120:35
SFO
-
LHR
Nonstop10h 35m
British Airways
Deal found 23/7£6,005
Thu 29/1015:20
LHR
-
SFO
Nonstop11h 25m
American Airlines
Wed 4/1108:55
SFO
-
LHR
1 stop13h 55m
American Airlines
Deal found 19/7£6,131
Fri 25/910:45
LHR
-
SFO
Nonstop11h 05m
Finnair
Deal found 21/7£11,555
Thu 3/910:45
LHR
-
SFO
Nonstop11h 05m
Finnair
Deal found 22/7£12,045
Mon 31/810:45
LHR
-
SFO
Nonstop11h 05m
American Airlines
Deal found 22/7£12,077
Fri 4/910:45
LHR
-
SFO
Nonstop11h 05m
Finnair
Deal found 21/7£12,207
Thu 20/814:30
LHR
-
SFO
Nonstop11h 10m
British Airways
Deal found 20/7£3,977
Mon 7/914:30
LHR
-
SFO
Nonstop11h 10m
American Airlines
Deal found 23/7£12,040
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 24 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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