Cheap flights from San Diego to London

Flight deals from San Diego to London

Below you can see the best deals on flights San Diego — London for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

The lowest price for the next 2 months is on 21 September, from $468.

Top 10 cheap flights from San Diego to London

When is the best time to book a flight from San Diego to London?

The price of a flight from San Diego to London changes depending on how far ahead you book. For the best chance of a lower fare, book around 8 days before departure, when the average ticket costs about $564. Fares also tend to climb as the departure date gets closer.

About the San Diego — London flight

Looking for cheap flights from San Diego to London? Compare fares from different airlines, check the flight schedule and travel time — and book your San Diego — London ticket online at the best price.

The route has direct flights — around 33 flights per week, flights are operated by British Airways, American Airlines, Alaska Airlines, Finnair and 2 more airlines, a nonstop flight takes about 10 h 40 min, the distance between the cities is around 8,843 km.

Planning your trip? You may find our London travel guide, how to get from the airport into town and London weather forecast useful. To catch a low fare, use the low-price calendar and the monthly price chart on this page.

from $302Min. price

JanuaryCheapest

DecemberPeak season

YesDirect flights

8,843 kmDistance

10 h 40 minTravel time

6Airlines

33 / wkFlights

Flight schedule from San Diego to London

The table shows direct flights from San Diego to London on the selected date. The flight takes approximately 10 h 40 min. Regular flights are operated by British Airways, American Airlines, Alaska Airlines and Finnair. Departures from San Diego International Airport airports, arrivals at Heathrow Airport, London Gatwick Airport and Stansted Airport.

For each flight, the following details are shown: departure time (local), arrival city and airport, flight number and airline, terminal or gate, and status. Click on a flight to open its details and go to ticket search. To view flights on a different day, change the date above the table.

Today

Any time

Last update: 25 Aug 2026

Airline

Flight

Departure

Arrival

Duration

Days

Status

Below is a calendar of the lowest flight ticket prices for San Diego — London by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $302 in January, and the most expensive are around $738 in December. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.

Prices by month

Average one-way fares from San Diego to London by month. Tickets are usually cheapest in February (around $593) and priciest in July (about $855) — use the table and chart below to pick the best time to fly.

Month	Average price	Level	Month	Average price	Level	Month	Average price	Level
Jan	$627	low	May	$741	high	Sep	$684	medium
Feb	$593	low	Jun	$798	high	Oct	$627	low
Mar	$684	medium	Jul	$855	high	Nov	$604	low
Apr	$661	medium	Aug	$798	high	Dec	$775	high

Some values are estimated based on seasonality.

When to fly

Weather in London: it is warmest in July (up to 22 °C on average) and coolest in January (around 7 °C). The driest month is June.

Tickets are usually cheapest in January and most expensive in December. Compare prices and weather by month in the charts below to pick the best time to fly.

Temperature · London

Dry and wet days · London

Wind speed and direction · London

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How to get the best deal on a San Diego — London ticket

Book ahead: fares for San Diego — London are usually lower 3–8 weeks before departure than at the last minute.
Play with your dates — Tuesday, Wednesday and Saturday departures are often cheaper than Friday and Sunday.
The cheapest month to fly to London is usually January — plan your trip around it if your dates are flexible.
Compare direct and connecting flights: nonstop is faster, while a connection is sometimes noticeably cheaper.
Watch the low-price calendar and the monthly price trend on this page — they make it easier to catch a good date.
Travelling light? Pick a cabin-baggage-only fare — tickets without checked luggage are noticeably cheaper.
Get to the airport in good time — about 2–3 hours before an international departure and roughly an hour before a domestic one.

Flights on the San Diego — London route are operated by 6 airlines; British Airways runs the most flights (around 85% of all flights). Compare carriers, flight shares and schedules below.

British AirwaysBA
9x/week
WebsiteFleet: 29243M pax/year
- Direct flight SAN → LHR9x/week
  Duration
  10h 43m
  Days
  MTWTFSS
84.8%Open →
American AirlinesAA
1x/week
WebsiteFleet: 965211M pax/year
- Direct flight SAN → LHR1x/week
3.0%Open →
Alaska AirlinesAS
1x/week
WebsiteFleet: 31545M pax/year
- Direct flight SAN → LHR1x/week
  Duration
  10h 45m
  Days
  MTWTFSS
3.0%Open →
FinnairAY
1x/week
WebsiteFleet: 7911M pax/year
- Direct flight SAN → LHR1x/week
3.0%Open →
Aer LingusEI
1x/week
WebsiteFleet: 5710.7M pax/year
- Direct flight SAN → LHR1x/week
3.0%Open →
IberiaIB
1x/week
WebsiteFleet: 9224M pax/year
- Direct flight SAN → LHR1x/week
3.0%Open →

Cities and airports on the San Diego — London route

Flights San Diego — London depart from San Diego International Airport and arrive at Heathrow Airport, London Gatwick Airport, Stansted Airport and London Luton Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure

San Diego

SAN

United States

About the city How to get there Weather All about the country United States

Arrival

London

LON

United Kingdom

About the city How to get there Weather All about the country United Kingdom

Departure airports

San Diego International AirportSAN
About the airport

Arrival airports

Heathrow AirportLHR
About the airport
London Gatwick AirportLGW
About the airport
Stansted AirportSTN
About the airport
London Luton AirportLTN
About the airport
London City AirportLCY
About the airport
London Southend AirportSEN
About the airport

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Frequently asked questions about the San Diego — London flight

How long is the flight from San Diego to London?

A nonstop San Diego — London flight takes about 10 h 40 min — the distance between the cities is around 8,843 km.

How far is it from San Diego to London?

The distance from San Diego to London is about 8,843 km, which a nonstop flight covers in around 10 h 40 min.

Are there direct flights from San Diego to London?

Yes, there are nonstop flights San Diego — London — around 33 flights per week.

Which airlines fly from San Diego to London?

Airlines operating San Diego — London include British Airways, American Airlines, Alaska Airlines, Finnair, Aer Lingus. See the full list with schedules in the "Airlines" section on this page.

Which airports do San Diego — London flights use?

Flights from San Diego depart from San Diego International Airport, and arrive at Heathrow Airport, London Gatwick Airport, Stansted Airport. If a city has more than one airport, check which one your ticket uses before you travel.

How much is a ticket from San Diego to London?

The price of a San Diego — London ticket depends on your travel date, season and demand: it is usually cheapest to fly in January, and most expensive in December. Tickets typically cost between $302 and $738. Check the current lowest fare and low-price calendar on this page.

When is the best time to book flights San Diego — London?

Flights San Diego — London are usually cheaper when booked in advance — a few weeks before departure and away from peak dates; the most budget-friendly month to fly is January. Compare prices by month in the price trend chart on this page.

How can I find the cheapest flights from San Diego to London?

To catch a low fare San Diego — London, book a few weeks in advance, keep your dates flexible, and compare airlines and connecting options. The low-price calendar and monthly price chart on this page show the cheapest days and months at a glance: the most budget-friendly month to fly is usually January.

How early should I arrive at the airport?

For international flights, plan to be at the airport about 2–3 hours before departure, and around an hour before a domestic flight. Allow extra time during busy travel seasons and at large hubs, where check-in and security lines can be longer.

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