Find flights
Deals
FAQs

Cheap First Class flights to San Francisco

LHR — SFO
27 Jun — 4 Jul1
1 adult
1 adult, First, 0 bags

Best travel deals

Find the best flight deals available from hundreds of sites within seconds

Trusted and free

Cheapflights is 100% free to use. No hidden charges!

Book with flexibility

Easily find flight tickets with no change fees

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 28 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
Search Deals
Airlines that offer first class options for this route
Search Deals
Closest airport for this route
Search Deals

Find first class flight deals to San Francisco

Enter your travel dates to find the best prices.

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 28 May 2026.

Fri 30/1009:55
LHR
-
SFO
1 stop18h 53m
Finnair
Sat 7/1111:15
SFO
-
LHR
1 stop16h 55m
Finnair
Deal found 26/5£4,456
Thu 20/816:25
LHR
-
SFO
1 stop15h 46m
American Airlines
Tue 25/813:43
SFO
-
LHR
1 stop15h 02m
American Airlines
Deal found 25/5£4,915
Wed 23/911:00
LHR
-
SFO
1 stop16h 17m
American Airlines
Wed 30/916:35
SFO
-
LHR
Nonstop10h 25m
American Airlines
Deal found 25/5£5,111
Tue 8/908:55
LHR
-
SFO
1 stop16h 54m
Finnair
Tue 22/912:41
SFO
-
LHR
1 stop33h 44m
Finnair
Deal found 24/5£5,261
Sat 5/914:25
LHR
-
SFO
1 stop16h 45m
Finnair
Sat 12/906:12
SFO
-
LHR
1 stop16h 43m
Finnair
Deal found 27/5£5,323
Fri 30/1011:45
LHR
-
SFO
Nonstop11h 15m
British Airways
Sat 7/1117:30
SFO
-
LHR
Nonstop10h 30m
British Airways
Deal found 26/5£5,349

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.

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 28 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.

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.