Skip to main content

San Francisco to London Flights (SFO-LHR) in April 2027 from $807

San Francisco (SFO) → London (LHR)

San Francisco (SFO) to London (LHR) in April 2027

Tap any part to change it

Watch fares from to , , , leaving , for in , , on . when .

CheapestLowHigherTypical $841

$750$800$850$900

April 2027from $807 · 30 trips

San Francisco (SFO) to London (LHR): what SlickTrip has seen

Cheapest economy round trip (9 nights) in April 2027: $807 leaving Mon, Apr 12, for 1 traveler.
7 price drops on economy fares in the last 30 days, caught for travelers watching this route. The typical drop was $353 a traveler (25.4%).
SlickTrip travelers are watching 6 trips on this route.
Airlines in the fares we watched: British Airways.

From SlickTrip's own price alerts and watched trips, as of Nov 10.

San Francisco (SFO) to London (LHR) by month

November 2026
December 2026
January 2027
February 2027
March 2027
April 2027
May 2027
June 2027
July 2027
August 2027
September 2027

Other Options for This Route

LHR destination

Business Roundtrip to London (LHR)

San Francisco (SFO) to London (LHR) in April

LHR destination

Economy Roundtrip to London (LHR)

San Francisco (SFO) to London (LHR) in May

LHR destination

Business Roundtrip to London (LHR)

San Francisco (SFO) to London (LHR) in June

LHR destination

Economy Roundtrip to London (LHR)

San Francisco (SFO) to London (LHR) in July

LHR destination

Economy Roundtrip to London (LHR)

San Francisco (SFO) to London (LHR) in October

LHR destination

Economy Roundtrip to London (LHR)

San Francisco (SFO) to London (LHR) in December

Other Destinations

LAS destination

Economy Roundtrip to Las Vegas (LAS)

San Francisco (SFO) to Las Vegas (LAS) in April

ATL destination

Economy Roundtrip to Atlanta (ATL)

San Francisco (SFO) to Atlanta (ATL) in April

SJU destination

Economy Roundtrip to San Juan (SJU)

San Francisco (SFO) to San Juan (SJU) in April

CLT destination

Business Roundtrip to Charlotte (CLT)

San Francisco (SFO) to Charlotte (CLT) in April

DEL destination

Economy One-way to New Delhi (DEL)

San Francisco (SFO) to New Delhi (DEL) in April

SGN destination

Economy Roundtrip to Ho Chi Minh City (SGN)

San Francisco (SFO) to Ho Chi Minh City (SGN) in April

Flights from Other Cities

LHR destination

Economy Roundtrip to London (LHR)

Atlanta (Any) to London (LHR) in April

LHR destination

Premium Economy Roundtrip to London (LHR)

Los Angeles (LAX) to London (LHR) in April

LHR destination

Business Roundtrip to London (LHR)

Los Angeles (LAX) to London (LHR) in April

LHR destination

Economy One-way to London (LHR)

New Delhi (DEL) to London (LHR) in May

LHR destination

Premium Economy One-way to London (LHR)

New York (JFK) to London (LHR) in May

LHR destination

Business One-way to London (LHR)

New York (JFK) to London (LHR) in May

Cheap economy Class Flights from San Francisco (SFO) to London (LHR) April

Find the best deals on economy class flights. Compare prices for direct flights, one-stop, and multi-stop options.

San Francisco (SFO) to London (LHR) in April 2027

Cheapest round trip of 7, 9, 12 nights fare in April 2027: $807 on 2027-04-12, for 1 traveler.

Why Choose Economy Class Flights from San Francisco (SFO) to London (LHR)?

Fares across the airlines on the route in one search
Nonstop and connecting flights side by side
A month of fares at a glance for april travel
Price alerts: we watch the fare and alert you when it drops

Planning a trip from San Francisco (SFO) to London (LHR) in april? SlickTrip shows the cheapest economy fares across airlines, nonstop or with stops. Set an alert and we watch the route for you, then email you when the price drops. Booking happens on the airline's or travel site's own page.

October 2027