
$503 Cheap United flights from San Diego to London (SAN to LHR)
Find The Best Day To Fly from San Diego to London
Amazing United SAN to LHR Flight Deals
The cheapest flights to Heathrow found within the past 7 days were $654 round trip and $503 one way. Prices and availability subject to change. Additional terms may apply.
LHR From SAN Economy Coach Packages on Similar Airlines



Frequently asked questions
Discover our best United flight from San Diego SAN to London LHR
To find the best deals on flights to San Diego from London with United, just enter your travel dates, filter by United, and hit search. You’ll find flights to choose from and can sort by price, flight duration, and arrival or departure time.
Return flights from San Diego SAN to London LHR with United
If you’re planning a round trip, booking return flights with United is usually the most cost-effective option. With airfares ranging from $654 to $658, it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply.
Book one-way United flights from San Diego SAN to London LHR
A one-way ticket gives you much greater flexibility—allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. Right now, a one-way United flight from San Diego to London costs from $503. Prices and availability subject to change. Additional terms may apply.
The easy way to find cheap flights to London LHR from San Diego SAN with United
To find a cheap United flight from San Diego SAN to London LHR, sort your search results by price or filter by budget. Thanks to Travelocity’s Price Match Promise, if you find a better airfare deal anywhere else within 24 hours, we’ll credit or refund the difference.
How to find our best airfare deals on United flights from San Diego SAN to London LHR
If you’re looking for cheap flights, it helps to be flexible when it comes to your travel dates. You’ll usually find lower cost tickets when you travel during quieter months such as November, or if you book a flight with a stopover.
Find nonstop flights from San Diego SAN to London LHR with United
If you’re keen to be on London soil fast, don’t waste time with a stopover—filter your search results to show direct United flights only. The journey takes around hour(s) min(s) – so you’ll be there before you know it.
Flexible airline tickets for United flights from San Diego SAN to London LHR
Make sure you’re not out of pocket if plans change by choosing a flexible ticket with penalty-free amendment and cancellation options. Use our ‘no change fee’ filter to see which flights have this option.
There are a lot of reasons to book your flights to London LHR from San Diego SAN with United on Travelocity
At Travelocity our vast and up-to-the-minute inventory puts all of our best flight deals in one place. So, whether you’re traveling on business or jetting off with friends and family, you can trust Travelocity to get you there.
Airport code | Country | Airport name | Number of flights |
---|---|---|---|
ORD | USA | O'Hare Intl. | 227 |
DEN | USA | Denver Intl. | 226 |
IAH | USA | George Bush Intercontinental | 136 |
IAD | USA | Washington Dulles Intl. | 100 |
SFO | USA | San Francisco Intl. | 64 |
LAX | USA | Los Angeles Intl. | 23 |
EWR | USA | Liberty Intl. | 20 |
FRA | DEU | Frankfurt Intl. | 19 |
NRT | JPN | Narita Intl. | 19 |
PEK | CHN | Capital Intl. | 16 |
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Popular United Flight Routes from SAN
Top United Flight Routes from LHR
Top Flights for United originating from SAN
Domestic
- Los Angeles to Tokyo (LAX - HND)
- Newark Liberty Intl. Airport to Las Vegas (EWR - LAS)
- Newark Liberty Intl. Airport to Atlanta (EWR - ATL)
- Chicago to Orlando (ORD - MCO)
- Minneapolis to Orlando (MSP - MCO)
- Chicago to Orlando (ORD - MCO)
- Newark Liberty Intl. Airport to Atlanta (EWR - ATL)
- Philadelphia to Orlando (PHL - MCO)
- Newark Liberty Intl. Airport to Orlando (EWR - MCO)
- New York to Orlando (LGA - MCO)
International
- Newark Liberty Intl. Airport to San Juan (EWR - SJU)
- San Juan to Orlando (SJU - MCO)
- Philadelphia to San Juan (PHL - SJU)
- Chicago to Orlando (ORD - MCO)
- Newark Liberty Intl. Airport to Santiago (EWR - STI)
- Newark Liberty Intl. Airport to San Juan (EWR - SJU)
- Los Angeles to San Salvador (LAX - SAL)
- Los Angeles to San Salvador (LAX - SAL)
- Orlando to San Juan (MCO - SJU)
- Orlando to San Juan (MCO - SJU)