Find flights
Deals
FAQs

Cheap First Class flights to San Francisco

LHR — SFO
22 May — 29 May1
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 22 April 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 22 April 2026.

Wed 1/708:55
LHR
-
SFO
1 stop17h 05m
Finnair
Wed 29/708:15
SFO
-
LHR
1 stop14h 40m
Finnair
Deal found 19/4£4,528
Fri 25/918:05
LHR
-
SFO
1 stop23h 16m
Finnair
Fri 9/1007:36
SFO
-
LHR
1 stop15h 19m
Finnair
Deal found 18/4£4,645
Wed 1/714:20
LHR
-
SFO
Nonstop11h 10m
American Airlines
Wed 29/711:24
SFO
-
LHR
1 stop13h 36m
American Airlines
Deal found 19/4£4,977
Sat 11/715:00
LHR
-
SFO
1 stop31h 36m
Finnair
Sat 25/713:19
SFO
-
LHR
1 stop15h 31m
Finnair
Deal found 22/4£5,163
Fri 25/910:45
LHR
-
SFO
Nonstop11h 05m
British Airways
Fri 9/1016:35
SFO
-
LHR
Nonstop10h 25m
British Airways
Deal found 18/4£5,514
Mon 18/510:30
LHR
-
SFO
1 stop21h 59m
Finnair
Mon 25/505:23
SFO
-
LHR
1 stop25h 02m
Finnair
Deal found 18/4£5,572

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.

Temperature in San Francisco by month

Plan your trip to San Francisco by taking into account the average temperature totals by month.

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 22 April 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.