$270+ Cheap flights from San Diego (SAN) to Heathrow (LHR)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/23. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — LHR
Nov 29 — Dec 61
Round-trip
1 adult, Economy
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Find cheap flights from San Diego to Heathrow with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from San Diego to London Heathrow are usually found in February or January, booked 11 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday
Cheap flight deals from San Diego to Heathrow
Cheapest
Best
Last-minute
One-way
Cheapest flights from San Diego to HeathrowExplore the most affordable flight options available from San Diego to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.
Explore the most affordable flight options available from San Diego to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.
This Mytrip deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/26:30 am -
2 stops29h 00m
Wed 12/96:00 am -
2 stops20h 16m
Deal found 10/27![Multiple Airlines logo]()
$856
This Mytrip deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/26:30 am -
2 stops29h 00m
Sun 12/68:50 pm -
3 stops29h 26m
Deal found 10/28![Multiple Airlines logo]()
$858
This Mytrip deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/86:30 am -
2 stops29h 00m
Tue 12/1512:15 pm -
2 stops19h 43m
Deal found 10/25![Multiple Airlines logo]()
$864
This Expedia deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1311:48 am -
1 stop13h 42m
Mon 11/239:20 am -
1 stop32h 20m
Deal found 10/27![JetBlue logo]()
$866
This Cheapflightsfares deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/39:40 pm -
1 stop16h 00m
Mon 11/98:05 am -
1 stop20h 17m
Deal found 10/25![JetBlue logo]()
$867
This Cheapflightsfares deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/169:40 pm -
1 stop16h 00m
Sun 11/229:20 am -
1 stop18h 16m
Deal found 10/26![JetBlue logo]()
$869
This Kiwi.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/241:02 pm -
2 stops39h 48m
Tue 12/12:50 pm -
1 stop29h 50m
Deal found 10/27![Multiple Airlines logo]()
$870
This JetBlue deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/49:40 pm -
1 stop16h 00m
Tue 11/177:25 am -
1 stop20h 57m
Deal found 10/26![JetBlue logo]()
$872
This JetBlue deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2610:18 am -
1 stop13h 37m
Fri 10/309:20 am -
1 stop16h 54m
Deal found 10/26![JetBlue logo]()
$873
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/251:02 pm -
2 stops39h 48m
Tue 12/12:50 pm -
1 stop29h 50m
Deal found 10/28![Multiple Airlines logo]()
$874
Best flights from San Diego to HeathrowDiscover carefully curated flight deals from San Diego to Heathrow that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
Discover carefully curated flight deals from San Diego to Heathrow that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/210:00 am -
2 stops17h 40m
Tue 3/911:45 am -
2 stops18h 07m
Deal found 10/29![Delta logo]()
$900
This SWISS deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1610:51 am -
2 stops19h 09m
Mon 3/228:05 pm -
2 stops33h 26m
Deal found 10/28![SWISS logo]()
$901
This British Airways deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/36:00 pm -
Nonstop10h 40m
Fri 3/512:45 pm -
Nonstop11h 25m
Deal found 10/28![British Airways logo]()
$929
This United Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/267:41 pm -
2 stops27h 04m
Fri 4/26:55 am -
1 stop16h 30m
Deal found 10/28![United Airlines logo]()
$941
This Scandinavian Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/2511:15 am -
2 stops22h 25m
Fri 1/296:40 am -
2 stops24h 18m
Deal found 10/29![Scandinavian Airlines logo]()
$987
This Delta deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/710:00 am -
2 stops16h 45m
Fri 3/126:30 am -
2 stops19h 29m
Deal found 10/26![Delta logo]()
$904
This British Airways deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/136:00 pm -
Nonstop10h 40m
Tue 1/1912:45 pm -
Nonstop11h 25m
Deal found 10/26![British Airways logo]()
$990
This Scandinavian Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/210:00 am -
3 stops27h 35m
Tue 3/96:40 am -
2 stops24h 15m
Deal found 10/29![Scandinavian Airlines logo]()
$991
This Delta deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1210:00 am -
2 stops17h 20m
Wed 4/216:30 am -
2 stops17h 36m
Deal found 10/27![Delta logo]()
$905
This Scandinavian Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/1310:00 am -
2 stops24h 30m
Tue 1/197:05 am -
3 stops23h 58m
Deal found 10/25![Scandinavian Airlines logo]()
$992
This Delta deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/304:15 pm -
1 stop16h 15m
Mon 1/118:40 am -
1 stop35h 30m
Deal found 10/25![Delta logo]()
$954
This Delta deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/136:15 am -
2 stops16h 35m
Tue 1/198:40 am -
2 stops19h 45m
Deal found 10/25![Delta logo]()
$977
Last-minute flights from San Diego to HeathrowDiscover last-minute flight deals from San Diego to Heathrow. Data last updated October 30, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to Heathrow. Data last updated October 30, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/39:40 pm -
1 stop16h 00m
Mon 11/98:05 am -
1 stop20h 17m
Deal found 10/25![JetBlue logo]()
$867
This JetBlue deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/49:40 pm -
1 stop16h 00m
Tue 11/177:25 am -
1 stop20h 57m
Deal found 10/26![JetBlue logo]()
$872
This Expedia deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1311:48 am -
1 stop13h 42m
Mon 11/239:20 am -
1 stop32h 20m
Deal found 10/27![JetBlue logo]()
$866
This Cheapflightsfares deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/169:40 pm -
1 stop16h 00m
Sun 11/229:20 am -
1 stop18h 16m
Deal found 10/26![JetBlue logo]()
$869
This Mytrip deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/176:25 am -
2 stops20h 25m
Mon 11/2312:15 pm -
3 stops30h 11m
Deal found 10/28![Multiple Airlines logo]()
$879
This Kiwi.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/231:02 pm -
2 stops39h 48m
Tue 12/12:50 pm -
1 stop29h 50m
Deal found 10/27![Multiple Airlines logo]()
$881
This Kiwi.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/241:02 pm -
2 stops39h 48m
Tue 12/12:50 pm -
1 stop29h 50m
Deal found 10/27![Multiple Airlines logo]()
$870
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/251:02 pm -
2 stops39h 48m
Tue 12/12:50 pm -
1 stop29h 50m
Deal found 10/28![Multiple Airlines logo]()
$874
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/261:02 pm -
2 stops39h 48m
Tue 12/12:50 pm -
1 stop29h 50m
Deal found 10/28![Multiple Airlines logo]()
$880
This Mytrip deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/266:30 am -
2 stops20h 20m
Sun 12/68:35 pm -
2 stops35h 23m
Deal found 10/27![Multiple Airlines logo]()
$883
One-way flights from San Diego to HeathrowSearch for one-way flight options from San Diego to Heathrow. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
Search for one-way flight options from San Diego to Heathrow. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/233:09 pm -
2 stops37h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Multiple Airlines logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/253:09 pm -
2 stops37h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![Multiple Airlines logo]()
$274
This Kiwi.com deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/293:09 pm -
2 stops37h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![Multiple Airlines logo]()
$276
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/13:09 pm -
2 stops37h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Multiple Airlines logo]()
$278
This Kiwi.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1811:06 am -
2 stops41h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Multiple Airlines logo]()
$279
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/29:58 am -
2 stops42h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Multiple Airlines logo]()
$280
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/193:09 pm -
2 stops37h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Multiple Airlines logo]()
$283
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/203:09 pm -
2 stops37h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Multiple Airlines logo]()
$284
This oojo deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/259:45 pm -
1 stop15h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![JetBlue logo]()
$287
This Kiwi.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/201:02 pm -
2 stops39h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Multiple Airlines logo]()
$289
This Cheapflightsfares deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/109:45 pm -
1 stop15h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![JetBlue logo]()
$290
This Kiwi.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/241:02 pm -
3 stops39h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Multiple Airlines logo]()
$292
Find flight deals from San Diego to Heathrow
Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $853 (FlightHub) |
One-way from | $270 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $942 |
Good round-trip deal | $876 or less |
Good one-way deal | $380 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from San Diego to Heathrow that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 30, 2026.
Use the filters below to find and compare flights from San Diego to London Heathrow Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San DiegoLondon
SAN San Diego - LHR London Heathrow
SANLHR
San Diego
Mon 12/7
9:40 pm-9:40 pm
1 stop16h 00m
London Heathrow
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$297
San DiegoLondon
SAN San Diego - LHR London Heathrow
SANLHR
San Diego
Wed 11/25
8:55 pm-9:40 pm
1 stop16h 45m
London Heathrow
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$299
San DiegoLondon
SAN San Diego - LHR London Heathrow
SANLHR
San Diego
Fri 1/29
9:45 pm-9:40 pm
1 stop15h 55m
London Heathrow
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$299
San DiegoLondon
SAN San Diego - LHR London Heathrow
SANLHR
San Diego
Sun 1/31
9:45 pm-9:40 pm
1 stop15h 55m
London Heathrow
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$300
Quickest round-trip
San DiegoLondon
SAN San Diego - LHR London Heathrow
SANLHR
San Diego
Mon 4/19
7:40 pm-2:20 pm
Nonstop10h 40m
London Heathrow
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$335
San DiegoLondon
SAN San Diego - LHR London Heathrow
SANLHR
San Diego
Sun 11/8
9:40 pm-9:40 pm
1 stop16h 00m
London Heathrow
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$412
San DiegoLondon
SAN San Diego - LHR London Heathrow
SANLHR
San Diego
Wed 12/16
8:33 am-11:25 am
2 stops18h 52m
London Heathrow
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$465
San DiegoLondon
SAN San Diego - LHR London Heathrow
SANLHR
San Diego
Tue 11/10
6:00 pm-12:40 pm
Nonstop10h 40m
London Heathrow
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$650
San DiegoLondon
SAN San Diego - LHR London Heathrow
SANLHR
San Diego
Tue 11/10
11:41 am-5:30 pm
3 stops21h 49m
London Heathrow
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$654
San DiegoLondon
SAN San Diego - LHR London Heathrow
SANLHR
San Diego
Wed 11/11
12:35 pm-9:05 pm
3 stops24h 30m
London Heathrow
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$756
Showing 1-10 of 22 resultsSorted by cheapest first
Compare providers for flights from San Diego to Heathrow
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Diego to Heathrow in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on San Diego-London Heathrow Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Diego-London Heathrow Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Diego-London Heathrow Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Diego-London Heathrow Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Diego-London Heathrow Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from San Diego to Heathrow
Have a flexible travel schedule? Discover the best time to fly to Heathrow from San Diego with our price prediction graph.
SAN-LHR
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from San Diego to London Heathrow Airport
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How far ahead should I book a flight from San Diego to London Heathrow Airport?
The price you pay for your flight from San Diego to London Heathrow Airport may vary depending on when you book. For the best chance of a lower fare, look to book 10 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from San Diego to London Heathrow Airport?
Currently, February is the cheapest month in which you can book a flight from San Diego to London Heathrow Airport (average of $800). Flying from San Diego to London Heathrow Airport in June is currently the most expensive (average of $1,532). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from SAN to LHR?
Find hourly flight availability from San Diego to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from San Diego to London Heathrow Airport as you normally would.
What’s the top layover airport for flights from San Diego to London Heathrow Airport?
Share of 1-stop round-trip flights from San Diego to London Heathrow Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.
Boston (BOS) – chosen by Cheapflights users on 50% of 1-stop itineraries from San Diego to London Heathrow Airport on Cheapflights.
What’s the cheapest layover airport for flights from San Diego to London Heathrow Airport?
Average round-trip fare for 1-stop flights from San Diego to London Heathrow Airport, chosen by Cheapflights users in the past 12 months, with the same layover each way.
New York (JFK) is the most affordable 1-stop option, with an average round-trip price of $749.
What’s the fastest layover option from San Diego to London Heathrow Airport?
Shortest average travel time for 1-stop one-way flights from San Diego to London Heathrow Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via New York (JFK) have the shortest average one-way travel time for 1-stop routes: 27h 50m.
Which airport typically offers the quickest layover for flights from San Diego to London Heathrow Airport?
Average layover duration for 1-stop one-way flights from San Diego to London Heathrow Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via New York (JFK) offer the fastest connection on this route, with an average layover time of 17h 36m.
The best insider tips for San Diego to London Heathrow Airport flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your San Diego to London Heathrow Airport trip
Our travel experts
Reviews of airlines servicing Heathrow
Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated October 30, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andAmerican Airlines from San Diego to London Heathrow Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Overall
7.8
Comfort
7.8
Entertainment
7.8
Food
7.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.1
Overall
7.8
Comfort
7.8
Entertainment
7.8
Food
7.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.1
Overall
7.8
Comfort
7.8
Entertainment
7.8
Food
7.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.1
Overall
7.8
Comfort
7.8
Entertainment
7.8
Food
7.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.1
Overall
7.8
Comfort
7.8
Entertainment
7.8
Food
7.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.1
Overall
7.8
Comfort
7.8
Entertainment
7.8
Food
7.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Related info for your journey
Find useful and relevant information for your journey from San Diego to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near London Heathrow Airport?
Book flights to London Heathrow Airport if you plan to visit one of these locationsIlford
Dorking
Gatwick
Hounslow
Wembley
Harrow
Southend-on-Sea
Basingstoke
Watford
Northampton
Dartford
Winchester
Croydon
Kingston upon Thames
Chipping Norton
Slough
Eastbourne
Stansted
Sutton
Luton
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Other flights to Heathrow
Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 30, 2026.
San Diego and Heathrow flights
Browse other San Diego and Heathrow flight options. Last updated on October 30, 2026.
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Top 9 airlines flying from San Diego to Heathrow
Discover the top 9 airlines that operate flights from San Diego to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$296 | Average$670 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$494 | Average$942 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$608 | Average$979 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$621 | Average$1,066 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$642 | Average$1,132 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$655 | Average$1,172 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$685 | Average$1,172 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$755 | Average$888 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$826 | Average$1,190 | FlexibilityNo cancel fee | On-time62% |