San Francisco (SFO) to London Heathrow (LHR) cheap flight deal from $449 USD in economy class – flightdeals.net

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TAP Portugal

Round Trip•Economy

San Francisco International Airport

San Francisco, United States

London Heathrow Airport

London Heathrow, United Kingdom

$787 USD

-43%$449 USD

Verified about 21 hours ago

October 2025

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29$449 30$561 1$449 2$581 3 4$581 5 6$449 7$449 8$561 9$449 10 11$449 12 13$449 14$449 15$449 16$449 17 18$449 19 20$449 21$449 22$449 23$449 24 25$449 26 27$449 28 29$449 30 31$671 1$551 2

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21% of dates checked are available within 10% of the lowest price

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