Title: CA $686 Cheap American Airlines fights from London to San Diego - Expedia.ca

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# CA $686 Cheap American Airlines fights from London (LON) to San Diego (SAN)

[View CA $686 flight on Wed, Feb 25, 2026](https://expedia.ca/Flights-Search?trip=oneway&leg1=from:LHR,to:SAN,departure:25/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:685.40&airProductToken=AQpACj4IwYIBEgQ2OTg2GOuJASCSaCjCjYYDMOqShgM4T0AAWAFqBUJBU0lDcghPTFg1QzVCNHoKCMKCARIENjk4NhIKCAEQARgBKgJBQRgBIgQIARABKAIoAygEMAs) 

- [Roundtrip](?flightType=roundtrip)
- [One-way](?flightType=oneway)
- [Multi-city](?flightType=multicity)

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## American Airlines flights from London to San Diego (LON→SAN)

Prices were available within the past 7 days and start at CA $686 for one-way flights and CA $839 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

All deals

One way

Roundtrip

![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif)

Tue, Mar 3 - Mon, Mar 9

LHR

London

SAN

San Diego

CA $839

Roundtrip

found 2 days ago

[](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:LHR,to:SAN,departure:03/03/2026TANYT&leg2=from:SAN,to:LHR,departure:09/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:838.20&airProductToken=AQojCiEIwYIBEgQ2OTg2GOuJASCSaCiC0YYDMKrWhgM4T0AAWAEKIwohCMGCARIENjk4NRiSaCDriQEo2JqHAzDTn4cDOE9AAFgBEgoIARABGAEqAkFBGAEiBAgBEAEoBDAB)

![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif)

Wed, Feb 25 - Mon, Mar 2

LHR

London

SAN

San Diego

CA $840

Roundtrip

found 1 day ago

[](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:LHR,to:SAN,departure:25/02/2026TANYT&leg2=from:SAN,to:LHR,departure:02/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:839.29&airProductToken=AQpACj4IwYIBEgQ2OTg2GOuJASCSaCjCjYYDMOqShgM4T0AAWAFqBUJBU0lDcghPTFg3SDFCNHoKCMKCARIENjk4NgpnCjIIwYIBEgQzMTIxGJJoIKOxASjLyIYDMIDKhgM4QkAAWAFqBUJBU0lDcghPTFg3SDFCNAoxCMGCARICMjAYo7EBIOuJASjiyoYDMIPPhgM4QkABWAFqBUJBU0lDcghPTFg3SDFCNBIKCAEQARgBKgJBQRgBIgQIARABKAIoAygEMAs)

![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif)

Mon, Mar 2 - Mon, Mar 9

LHR

London

SAN

San Diego

CA $870

Roundtrip

found 2 days ago

[](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:LHR,to:SAN,departure:02/03/2026TANYT&leg2=from:SAN,to:LHR,departure:09/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:869.90&airProductToken=AQpFCiEIwYIBEgQ2OTA4GOuJASCSASjfxoYDMLfLhgM4T0AAWAEKIAjBggESBDc1MjMYkgEgkmgos8yGAzDdzYYDOE9AAVgBCiIKIAjCggESAzI3MhiSaCDriQEo2JqHAzDTn4cDOE9AAFgBEgoIARABGAEqAkFBGAEiBAgBEAEoBDAB)

![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif)

Wed, Feb 25 - Mon, Mar 2

LHR

London

SAN

San Diego

CA $877

Roundtrip

found 1 day ago

[](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:LHR,to:SAN,departure:25/02/2026TANYT&leg2=from:SAN,to:LHR,departure:02/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:876.49&airProductToken=AQpACj4IwYIBEgQ2OTg2GOuJASCSaCjCjYYDMOqShgM4T0AAWAFqBUJBU0lDcghPTFg3SDFCNHoKCMKCARIENjk4Ngo_Cj0IwbIBEgQ1NDUyGJJoIOuJASj4y4YDMPPQhgM4T0AAWAFqBEVDTVByCE9MWDdIMUI0egoIwoIBEgQ1NDUyEgoIARABGAEqAkFBGAEiBAgBEAEoAigDKAQwAQ)

![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif)

Wed, Feb 25 - Mon, Mar 2

LHR

London

SAN

San Diego

CA $885

Roundtrip

found 1 day ago

[](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:LHR,to:SAN,departure:25/02/2026TANYT&leg2=from:SAN,to:LHR,departure:02/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:884.19&airProductToken=AQpnCjEIwYIBEgI1MRjriQEgo7EBKLSLhgMwpZCGAzhCQABYAWoFQkFTSUNyCE9MWDdIMUI0CjIIwYIBEgQyNzQ3GKOxASCSaCiJkYYDMM-ShgM4QkABWAFqBUJBU0lDcghPTFg3SDFCNAo_Cj0IwbIBEgQ1NDUyGJJoIOuJASj4y4YDMPPQhgM4T0AAWAFqBEVDTVByCE9MWDdIMUI0egoIwoIBEgQ1NDUyEgoIARABGAEqAkFBGAEiBAgBEAEoAigDKAQwAQ)

![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif)

Thu, Feb 26 - Mon, Mar 9

LHR

London

SAN

San Diego

CA $894

Roundtrip

found 2 days ago

[](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:LHR,to:SAN,departure:26/02/2026TANYT&leg2=from:SAN,to:LHR,departure:09/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:893.20&airProductToken=AQojCiEIwYIBEgQ2OTg2GOuJASCSaCjimIYDMIqehgM4T0AAWAEKIwohCMGCARIENjk4NRiSaCDriQEo2JqHAzDTn4cDOE9AAFgBEgoIARABGAEqAkFBGAEiBAgBEAEoBDAB)

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

### February is typically the cheapest month to fly

From CA $765 - CA $1,472 per traveller.

## Travel information

| Origin airport      | Heathrow                                                                                                                                                                    |
| ------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| Destination airport | San Diego Intl.                                                                                                                                                             |
| Airlines serving    | Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Delta, Finnair, Iberia, JetBlue Airways, KLM, Lufthansa, United, Virgin Atlantic |
| Popular airline     | Delta                                                                                                                                                                       |
| Distance            | 8756 km                                                                                                                                                                     |

\*Available to Expedia members.