Cheapest return flights from San Diego (SAN) to London (LHR), December

20 dates in December, from $ 755. Book in one tap, or check whether to buy now or wait.

One-wayReturn
Dates, airline, and price
Dates Airline Price
5 Dec 10 Dec Alaska Airlines
8 Dec 5 Jan 2027 jetBlue
10 Dec 15 Dec jetBlue
11 Dec 10 Jan 2027 jetBlue
9 Dec 8 Jan 2027 jetBlue
7 Dec 16 Dec Alaska Airlines
4 Dec 17 Dec jetBlue
24 Dec 28 Dec Frontier Airlines
9 Dec 18 Dec Virgin Atlantic
12 Dec 30 Dec jetBlue
12 Dec 28 Dec jetBlue
13 Dec 30 Dec jetBlue
28 Dec 4 Jan 2027 Frontier Airlines
15 Dec 6 Jan 2027 Alaska Airlines
12 Dec 29 Dec jetBlue
9 Dec 8 Jan 2027 American Airlines
Direct Flight
26 Dec 3 Jan 2027 Frontier Airlines
12 Dec 10 Jan 2027 Delta
11 Dec 10 Jan 2027 American Airlines
Direct Flight
24 Dec 1 Jan 2027 jetBlue
Powered by

Cheapest deals for the full year

Deals for one-way flights from San Diego to London in December.

Book a cheap hotel in London

Cheap car rent in Heathrow

Updated Oct 9, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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