Cheapest return flights from London to San Francisco in July from $761

AirHint found the following cheapest return flights from London (LCY) to San Francisco (SFO) in July 2026 (see full year).

Return flights

21 Jul - 30 Jul British Airways
02 Jul - 12 Jul Aer Lingus
01 Jul - 15 Jul SWISS
10 Jul - 19 Jul Aer Lingus
14 Jul - 28 Jul SWISS
09 Jul - 30 Jul Aer Lingus
10 Jul - 25 Jul Aer Lingus
05 Jul - 16 Jul Aer Lingus
15 Jul - 26 Jul SWISS
15 Jul - 22 Jul SWISS
30 Jul - 04 Aug Aer Lingus
27 Jul - 03 Aug Aer Lingus
31 Jul - 22 Aug KLM
22 Jul - 19 Aug KLM
18 Jul - 05 Aug KLM
12 Jul - 01 Aug SWISS
22 Jul - 01 Aug SWISS
21 Jul - 11 Aug KLM
22 Jul - 20 Aug ITA Airways
25 Jul - 02 Aug SWISS

Also check the deals for one-way flights from London to San Francisco in July.

Powered by

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

Book a cheap hotel in San Francisco

Cheap car rent in San Francisco

Feel free to contact us with any feedback or request another flight research.