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Cheap First Class flights to San Francisco

LHR — SFO
11 Jun — 18 Jun1
1 adult
1 adult, First, 0 bags

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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 12 May 2026.

Top Rated Airline

American Airlines

No. of Airlines

3

Arrival Airport

San Francisco Airport
Most popular airline to fly first class with to San Francisco in the past 7 days
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Cheapest first class flights to San Francisco
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 12 May 2026.

Wed 28/1015:35
LHR
-
SFO
1 stop16h 08m
American Airlines
Wed 4/1107:04
SFO
-
LHR
1 stop15h 16m
American Airlines
Deal found 7/5£4,233
Wed 30/909:15
LHR
-
SFO
1 stop34h 24m
Finnair
Sat 10/1007:36
SFO
-
LHR
1 stop15h 19m
Finnair
Deal found 9/5£4,385
Sun 18/1009:15
LHR
-
SFO
1 stop21h 33m
Finnair
Fri 23/1007:36
SFO
-
LHR
1 stop15h 19m
Finnair
Deal found 10/5£4,445
Wed 16/910:30
LHR
-
SFO
1 stop17h 58m
American Airlines
Fri 2/1021:23
SFO
-
LHR
1 stop16h 17m
American Airlines
Deal found 9/5£4,535
Tue 3/1115:25
LHR
-
SFO
Nonstop11h 20m
American Airlines
Mon 9/1120:40
SFO
-
LHR
Nonstop10h 30m
American Airlines
Deal found 7/5£4,576
Wed 16/909:15
LHR
-
SFO
1 stop17h 28m
Finnair
Wed 30/916:35
SFO
-
LHR
Nonstop10h 25m
Finnair
Deal found 9/5£4,583

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).

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 12 May 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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