Cheap Finnair flights from London to San Diego (LHR→SAN)

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 40% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Find the cheapest month to fly from London (LHR) to San Diego (SAN)

November is typically the cheapest month to fly

From ฿17,178 - ฿30,835 per traveller.
Flight from London to San Diego route information
Origin airport
Heathrow
Destination airport
San Diego Intl.
Distance
8756 km
Average flight time
11 hours 20 mins

Frequently asked questions

How much is a Finnair flight from Heathrow Airport (LHR) to San Diego Intl. Airport (SAN)?
You'll discover budget-friendly return Finnair flights from LHR to SAN by organising your results from "Price (lowest to highest)" on Expedia. Or search for deals for a one-way journey.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from LHR to SAN with Finnair?
January is one of the most affordable months to travel to San Diego with Finnair. You could also find great deals on return and one-way tickets in November.
Does Finnair fly nonstop from Heathrow Airport (LHR) to San Diego Intl. Airport (SAN)?
To figure out if there's a direct route from LHR to SAN with Finnair or any other airlines, select the "Nonstop" filter when browsing for flights.
What airports does Finnair fly into in San Diego?
Jump on a Finnair flight from Heathrow Airport (LHR) to San Diego, and you'll likely come in to San Diego Intl. Airport (SAN). This is the airline's main hub in this destination.
What kind of luggage can I take on a Finnair flight from Heathrow Airport (LHR) to San Diego Intl. Airport (SAN)?
On a standard economy flight with Finnair from LHR to SAN, you can bring 1 checked-in bag up to 23 kgs with dimensions no larger than 157 centimetres in total. For carry-on, you're allowed 1 cabin bag weighing up to 10 kgs and measuring less than 23 centimetres x 38 centimetres x 38 centimetres. Weight and size allowances can vary based on your fare type and cabin class. To make sure you're not hit with extra fees at the airport, double-check your Finnair booking or look up the airline's website before you start packing.
Can I change or cancel my Finnair flight from Heathrow Airport (LHR) to San Diego Intl. Airport (SAN)?
Changes are generally free within 24 hours of booking, but your airline may add a charge after that. For further details about modifying your flights, go to your "Trips," select your flight and click on "Manage Booking." If you want the flexibility to change your itinerary without being charged, tick the "No cancel fee" or "Changes included" filter when planning your next trip.

Explore a world of travel with Expedia

*Available to Expedia members.