Cheap flights from London to San Diego, CA
Flights starting at $310. Choose between United Airlines, Delta Air Lines, or TAP Portugal to find the best price.
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Tips to know when travelling to San Diego
Cheapest one-way trip | $370 |
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Cheapest nonstop round-trip | $530 |
Cheapest round-trip | $506 |
Average round-trip | $520 |
Includes rare itinerary | Travel hack |
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Weekly direct flights
Mondays | Tuesdays | Wednesdays | Thursdays | Fridays | Saturdays | Sundays | |
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Direct flights | 5 | 3 | 4 | 5 | 5 | 5 | 4 |
American Airlines on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.
Iberia Airlines on Mondays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.
Finnair on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.
British Airways on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.
Check-in for a flight from London to San Diego
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
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United Airlines | UAL | UA | Yes | No |
Delta Air Lines | DAL | DL | Yes | Opens 24 days before flight Closes 1 hours before flight |
TAP Portugal | TAP | TP | Yes | Opens 36 days before flight Closes 1 hours before flight |
Ryanair | RYR | FR | No | Opens 24 days before flight Closes 2 hours before flight |
Vueling | VLG | VY | No | Opens 168 days before flight Closes 4 hours before flight |
United States COVID-19 travel restrictions

Most travelers from London, LHR can enter San Diego, SAN, but there are restrictions.
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Visa requirements |
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Information is provided as guidance only and accurate at the time of publishing. Always check government websites and airline materials before booking and traveling.
Learn more about COVID-19 restrictions in United States in our dedicated Stories article.
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