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Cheap flights from San Diego to London Heathrow Airport from £185

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Diego to London Heathrow Airport departing on 25/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from San Diego to London

Cheap return flights

These are some of the best return flight deals from San Diego to London that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from San Diego to London.

Cheap last-minute flights

Planning a quick getaway from San Diego to London? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to London, so you can enjoy a seamless trip without stopovers.

Cheap bus & train deals from San Diego to London

Find recent return train or bus tickets from San Diego to London.

All return flight deals from San Diego to London

The cheapest plane tickets from San Diego to London found on KAYAK recently.
21:37 - 20:45SAN-LHR
16h 08m1 stop
07:25 - 20:27LHR-SAN
20h 02m1 stop
£472JetBlue
Find Deal
Mon, 17 Mar - Wed, 26 Mar
21:31 - 20:45SAN-LHR
15h 14m1 stop
08:15 - 20:21LHR-SAN
20h 06m1 stop
£474JetBlue
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Sat, 5 Apr - Tue, 15 Apr
18:10 - 12:35SAN-LHR
10h 25mdirect
12:50 - 17:05LHR-SAN
11h 15mdirect
£478Iberia
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Mon, 3 Mar - Tue, 11 Mar
09:52 - 07:20SAN-LHR
13h 28m1 stop
10:40 - 21:07LHR-SAN
17h 27m1 stop
£482Iberia
Find Deal
Mon, 3 Mar - Tue, 11 Mar
11:50 - 13:20SAN-LHR
17h 30m1 stop
06:50 - 19:50LHR-SAN
21h 00m2 stops
£503Air Canada
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Wed, 23 Apr - Tue, 6 May
16:00 - 10:10SAN-LHR
34h 10m1 stop
13:00 - 15:05LHR-SAN
34h 05m1 stop
£508Air Canada
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Sun, 2 Feb - Tue, 18 Feb
18:10 - 12:35SAN-LHR
10h 25mdirect
12:50 - 16:05LHR-SAN
11h 15mdirect
£509British Airways
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Sun, 2 Feb - Tue, 18 Feb
19:30 - 07:10SAN-LHR
27h 40m2 stops
06:30 - 18:50LHR-SAN
19h 20m2 stops
Mon, 3 Mar - Tue, 11 Mar
19:50 - 14:20SAN-LHR
10h 30mdirect
11:30 - 14:50LHR-SAN
11h 20mdirect
£514British Airways
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Wed, 30 Apr - Thu, 8 May
11:45 - 10:10SAN-LHR
15h 25m1 stop
06:30 - 16:09LHR-SAN
17h 39m2 stops
Mon, 24 Mar - Thu, 22 May
08:10 - 12:50SAN-LHR
44h 40m2 stops
Tue, 25 Feb
20:08 - 12:50SAN-LHR
56h 42m3 stops
Mon, 24 Feb
12:20 - 12:50SAN-LHR
16h 30m1 stop
£233WestJet
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Mon, 27 Jan
11:21 - 09:30SAN-LHR
14h 09m1 stop
£281JetBlue
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Tue, 25 Feb
21:37 - 20:45SAN-LHR
15h 08m1 stop
£295JetBlue
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Mon, 17 Feb
10:55 - 17:40SAN-LHR
23h 45m2 stops
£299Scandinavian Airlines
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Wed, 19 Mar
18:10 - 12:35SAN-LHR
10h 25mdirect
£339British Airways
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Sun, 23 Feb
19:50 - 14:20SAN-LHR
10h 30mdirect
£342British Airways
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Mon, 28 Apr
14:05 - 12:05SAN-LHR
14h 00m1 stop
£390WestJet
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Thu, 29 May
11:00 - 17:40SAN-LHR
22h 40m2 stops
£477Scandinavian Airlines
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Sat, 24 May
21:00 - 20:45SAN-LHR
15h 45m1 stop
07:25 - 19:45LHR-SAN
20h 20m1 stop
£594JetBlue
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Wed, 22 Jan - Wed, 29 Jan
10:58 - 16:00SAN-LHR
21h 02m2 stops
06:40 - 20:17LHR-SAN
21h 37m2 stops
Fri, 24 Jan - Fri, 31 Jan
10:58 - 16:00SAN-LHR
21h 02m2 stops
17:00 - 22:51LHR-SAN
37h 51m2 stops
£721Scandinavian Airlines
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Wed, 22 Jan - Sat, 25 Jan
07:35 - 10:10SAN-LHR
18h 35m2 stops
07:40 - 15:25LHR-SAN
15h 45m1 stop
£765United Airlines
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Wed, 22 Jan - Wed, 29 Jan
15:01 - 12:05SAN-LHR
13h 04m1 stop
12:50 - 16:05LHR-SAN
11h 15mdirect
£774British Airways
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Wed, 22 Jan - Wed, 29 Jan
07:00 - 07:10SAN-LHR
16h 10m2 stops
13:00 - 00:14LHR-SAN
19h 14m2 stops
£782Air Canada
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Wed, 22 Jan - Wed, 29 Jan
19:30 - 10:10SAN-LHR
30h 40m1 stop
15:00 - 22:30LHR-SAN
39h 30m2 stops
£807United Airlines
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Sat, 25 Jan - Sun, 2 Feb
18:10 - 12:35SAN-LHR
10h 25mdirect
12:50 - 16:05LHR-SAN
11h 15mdirect
£808British Airways
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Wed, 22 Jan - Wed, 29 Jan
19:30 - 10:10SAN-LHR
30h 40m1 stop
13:00 - 15:05LHR-SAN
34h 05m1 stop
£821Air Canada
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Sat, 25 Jan - Sun, 2 Feb
08:00 - 14:35SAN-LHR
22h 35m3 stops
07:05 - 22:51LHR-SAN
23h 46m3 stops
£1,061Scandinavian Airlines
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Fri, 24 Jan - Fri, 31 Jan
18:10 - 12:35SAN-LHR
10h 25mdirect
12:50 - 17:05LHR-SAN
11h 15mdirect
£478Iberia
Find Deal
Mon, 3 Mar - Tue, 11 Mar
18:10 - 12:35SAN-LHR
10h 25mdirect
12:50 - 16:05LHR-SAN
11h 15mdirect
£509British Airways
Find Deal
Sun, 2 Feb - Tue, 18 Feb
19:10 - 12:35SAN-LHR
10h 25mdirect
12:50 - 17:05LHR-SAN
11h 15mdirect
£512Iberia
Find Deal
Mon, 10 Mar - Wed, 19 Mar
18:10 - 12:35SAN-LHR
10h 25mdirect
12:50 - 17:05LHR-SAN
11h 15mdirect
£525Finnair
Find Deal
Wed, 5 Mar - Wed, 19 Mar
18:10 - 12:35SAN-LHR
10h 25mdirect
12:50 - 16:05LHR-SAN
11h 15mdirect
£525Finnair
Find Deal
Mon, 3 Feb - Wed, 12 Feb
18:10 - 12:35SAN-LHR
10h 25mdirect
12:50 - 16:05LHR-SAN
11h 15mdirect
£533American Airlines
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Sun, 16 Feb - Fri, 28 Feb
16:40 - 11:25SAN-LHR
10h 45mdirect
11:30 - 14:50LHR-SAN
11h 20mdirect
£535American Airlines
Find Deal
Mon, 7 Apr - Fri, 18 Apr
19:10 - 12:35SAN-LHR
10h 25mdirect
12:50 - 17:05LHR-SAN
11h 15mdirect
Tue, 18 Mar - Tue, 25 Mar
19:10 - 12:35SAN-LHR
10h 25mdirect
14:55 - 18:00LHR-SAN
11h 05mdirect
Mon, 24 Mar - Wed, 21 May
18:10 - 12:35SAN-LHR
10h 25mdirect
12:50 - 17:05LHR-SAN
11h 15mdirect
£1,036Alaska Airlines
Find Deal
Fri, 7 Mar - Fri, 14 Mar

American Airlines flights from San Diego to London Heathrow Airport

Our best American Airlines deals on San Diego to London Heathrow Airport flight tickets
American Airlines
16 Feb
SAN18:10San Diego
10h 25m
LHR12:35London Heathrow
28 Feb
LHR12:50London Heathrow
11h 15m
SAN16:05San Diego
American Airlines
23 Mar
SAN13:50San Diego
15h 10m
1 stop
LHR12:00London Heathrow
2 Apr
LHR11:30London Heathrow
11h 20m
SAN14:50San Diego
American Airlines
5 Feb
SAN18:10San Diego
10h 25m
LHR12:35London Heathrow
9 Feb
LHR12:50London Heathrow
11h 15m
SAN16:05San Diego

Lufthansa flights from San Diego to London Heathrow Airport

Our best Lufthansa deals on San Diego to London Heathrow Airport flight tickets
Lufthansa
5 Feb
SAN17:20San Diego
15h 45m
1 stop
LHR17:05London Heathrow
23 Feb
LHR20:15London Heathrow
27h 10m
1 stop
SAN15:25San Diego
Lufthansa
18 Mar
SAN18:20San Diego
15h 45m
1 stop
LHR17:05London Heathrow
24 Mar
LHR06:35London Heathrow
16h 50m
1 stop
SAN16:25San Diego
Lufthansa
6 Apr
SAN17:15San Diego
19h 30m
1 stop
LHR20:45London Heathrow
12 Apr
LHR19:30London Heathrow
30h 21m
2 stops
SAN17:51San Diego

See travel insights to London from

How to get the cheapest flight ticket from San Diego to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between San Diego and London Heathrow Airport?

What is the cheapest month to fly to London Heathrow Airport?

In general, January is the cheapest month to fly from San Diego to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £619. The month of October is another great option to travel to London Heathrow Airport, with average flight prices from San Diego averaging around £642.

What is the cheapest day to depart on your flight to London Heathrow Airport?

On average, the least expensive day to fly to London Heathrow Airport from San Diego is on a Monday. momondo users have found tickets for Monday departures for as low as £0. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Wednesday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Wednesday is £990.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the morning. momondo users have found flights departing from San Diego to London Heathrow Airport in the morning for as low as £648. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are £818 on average. Flights to London Heathrow Airport from San Diego in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest San Diego to London Heathrow flight route?

Fly from San Diego to London Heathrow for the best San Diego - London Heathrow flight prices

How far in advance should I book a flight to London Heathrow Airport?

You are more likely to see cheaper flights to London Heathrow Airport from San Diego when booking 7 weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £753 when searching 7 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from San Diego for as low as £673 on momondo.

What cabin class options are available on San Diego to London Heathrow flights?

There are 3 cabin classes available to choose from on San Diego to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have San Diego to London Heathrow Airport flight prices changed over time?

As of January 2025, prices for San Diego to London Heathrow Airport flights are approximately 60% more expensive when compared to flights at the same time last year.

When to book flights from San Diego to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from San Diego to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap San Diego to London Heathrow Airport (SAN to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Diego to London Heathrow Airport

Best price found

£185

Fastest flight time

10h 25m

Direct flights

Every day
The best one-way flight to London Heathrow Airport from San Diego in the past 72 hours is £185. The best return flight deal from San Diego to London Heathrow Airport found on momondo in the last 72 hours is £472.
The fastest flight from San Diego to London Heathrow Airport takes 10h 25m
Direct flights go from San Diego to London Heathrow Airport every day.

  • How far is San Diego to London Heathrow by plane?

    San Diego and London Heathrow are 5468.7 mi apart from one another. 10h 25m is a normal flight duration for this route.

  • When did momondo last update prices for flights from San Diego Airport to London Heathrow Airport?

    Prices for flights from San Diego Airport to London Heathrow Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from San Diego Airport to London Heathrow Airport?

  • How old do you have to be to fly from San Diego Airport to London Heathrow Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Diego Airport to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The travel and health documents you'll need for your trip to London Heathrow Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Heathrow Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from San Diego to London Heathrow Airport?

  • What is the most popular airline from San Diego to London Heathrow Airport?


Best airlines flying from San Diego to London Heathrow Airport

Compare and see reviews for airlines that fly from San Diego to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom £558Free CancellationRating
6.6
6,834 reviews
Search British Airways flights
  • British Airways Flights From San Diego to London Heathrow Airport

    Across 7 British Airways flights from San Diego to London Heathrow Airport this week, the average price was £936, with the best British Airways deals starting from £686 round-trip. 6,831 users have rated British Airways on momondo, with an average score of 6.6/10.


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Why use momondo?

Why should I use momondo to find a flight deal from San Diego to London?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from San Diego to London. momondo saves you time and could save you money on your trip.

Can I find flights from San Diego to London with flexible booking policies on momondo?

Flights from San Diego to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from San Diego to London?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from San Diego to London.

I’m not ready to book a flight from San Diego to London right now. Can momondo alert me if prices change?

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from San Diego and alert you when they change.


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