International route
Cheap flights from San Diego to London
San Diego International Airport (SAN) to London Heathrow Airport (LHR). 5,473 miles, 10h 35m nonstop.
SAN to LHR at a glance
Computed from airline schedules and the fares we track for this route. Refreshed several times a day.
- Distance
- 5,473 milesgreat-circle
- Typical flight time
- 10h 35mnonstop, gate to gate
- Nonstop airlines
- ASBAVS3 airlinesAlaska, British Airways, Virgin Atlantic
- Nonstop flights per day
- 3all airlines combined
- Cheapest month
- January 2027over the next six months
- Best day to fly
- Tuesday18% less than Sunday
- Time difference
- 8h aheadLondon vs San Diego
San Diego to London
Round trips from $379
Per traveler, taxes and fees included. Lowest fare we found departs Tue, Jan 5.
Cheapest month: January 2027
See fares on these datesLock any fare free — pay only when you accept your last-minute deal
Or ask an agent on WhatsAppSan Diego to London fares by month
Lowest round-trip economy fare per traveler in each of the next six months, taxes and fees included. Select a month to search that date.
Airlines flying San Diego to London
3 airlines fly nonstop with 3 departures a day combined, plus 17 more with one stop.
- ASAlaska AirlinesoneworldNonstop · 1 flight a day · first checked bag from $35
- BABritish AirwaysoneworldNonstop · 1 flight a day · first checked bag from $75
- VSVirgin AtlanticSkyTeamNonstop · 1 flight a day · first checked bag from $75
- AMAeroméxicoSkyTeamConnecting via MEX, GDL · first checked bag from $40
- ACAir CanadaStar AllianceConnecting via YVR, YUL, YYC · first checked bag from $35
- AAAmerican AirlinesoneworldConnecting via DFW, CLT, ORD, MIA, PHX, PHL, DCA, JFK · first checked bag from $40
- AVAviancaStar AllianceConnecting via MDE, SAL · first checked bag from $45
- DLDelta Air LinesSkyTeamConnecting via ATL, MSP, DTW, SLC, SEA, LAX, JFK, BOS, LGA · first checked bag from $35
- AYFinnaironeworldConnecting via HEL · first checked bag from $70
- IBIberiaoneworldConnecting via MAD · first checked bag from $70
- AZITA AirwaysConnecting via MXP · first checked bag from $70
- B6JetBlueConnecting via JFK, BOS, MCO, LAX, SJU · first checked bag from $40
- LHLufthansaStar AllianceConnecting via FRA · first checked bag from $75
- NONorse Atlantic AirwaysLow-costConnecting via OSL · first checked bag from $80
- SKSAS Scandinavian AirlinesSkyTeamConnecting via ARN, OSL · first checked bag from $70
- TPTAP Air PortugalStar AllianceConnecting via OPO · first checked bag from $70
- UAUnited AirlinesStar AllianceConnecting via ORD, IAH, SFO, IAD, LAX · first checked bag from $40
- VBVivaLow-costConnecting via MTY, MEX, GDL, CUN · first checked bag from $45
- Y4VolarisLow-costConnecting via GDL, MEX, CUN · first checked bag from $45
- WSWestJetConnecting via YYZ · first checked bag from $35
Connecting options
Hubs where one airline can carry you on both legs, most choices first.
- New York (JFK)AADLB63 airlines
- Los Angeles (LAX)DLUAB63 airlines
- Mexico City (MEX)AMVBY43 airlines
- Guadalajara (GDL)AMVBY43 airlines
- Chicago (ORD)AAUA2 airlines
Which airport should I use?
San DiegoLondon has 3 airports. Fares can differ by $50 to $150 round trip between them, so check the alternatives before you book.
Tips for this route
- Alaska, British and Virgin Atlantic all fly SAN to LHR nonstop, so compare the total with bags before picking the lowest base fare: the difference between a basic and a standard economy ticket is often less than one checked bag each way.
- January 2027 is the cheapest month to fly over the next six months, with round trips from $379; September 2026 is the most expensive at $492 and up, a difference of $113 per traveler.
- Departing on a Tuesday averages 18% less than a Sunday on this route. If your dates are flexible, shift the outbound by a day or two and check the calendar view before you book.
- Book 2 to 5 months ahead for the best fares; long-haul seats sell out earliest for summer and holiday travel.
- London is 8 hours ahead of San Diego. Expect to lose 8 hours on the clock heading east, so an overnight or late-afternoon departure tends to arrive at a more usable hour.
Destination guide
London: The most-flown transatlantic route, for good reason
London is the busiest international destination from the US, with nonstops from more than 30 American cities into Heathrow and Gatwick. The museums are free, the theater is world-class and the Tube reaches everything — including Heathrow.
Best time to visit: May–June and September are mild with long days; July–August is warm and busy. December has Christmas markets and lights. January–March is cold and gray but fares can drop below $500 round trip.
Flying the other way? London to San DiegoFares, airlines and tips for LHR to SAN.Ready to compare live fares?
See every airline on SAN–LHR side by side with bags and seat rules spelled out.
Search San Diego to LondonSan Diego to London: common questions
How long is the flight from San Diego to London?
A nonstop flight from San Diego (SAN) to London (LHR) takes about 10h 35m gate to gate, covering 5,473 miles. Connecting itineraries add the layover, typically 2 to 5 hours more in total.
Which airlines fly nonstop from SAN to LHR?
Alaska Airlines, British Airways and Virgin Atlantic operate nonstop flights from San Diego (SAN) to London (LHR), with 3 nonstop departures a day between them. One-stop options connect through JFK, LAX and MEX.
What is the cheapest month to fly from San Diego to London?
Over the next six months, January 2027 has the lowest round-trip fares from San Diego (SAN) to London (LHR), starting at $379 per traveler including taxes and fees. Within any month, Tuesday departures average the lowest prices.
How far in advance should I book San Diego to London flights?
Book 2 to 5 months ahead for the best fares; long-haul seats sell out earliest for summer and holiday travel. Air1 Tickets includes free cancellation within 24 hours of booking on every fare, so you can lock in a good price and keep looking.
What is the time difference between San Diego and London?
London is 8 hours ahead of San Diego. SAN is on America/Los Angeles time and LHR on Europe/London time. Departure and arrival times in search results are always shown in local time at each airport.
Related routes
Other popular city pairs from the same departure city and to the same destination, with the lowest round-trip fares we found.
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