$389+ Cheap flights from Irvine, CA to Heathrow (LHR)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/18. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — LHR
Aug 16 — Aug 231
Round-trip
1 adult, Economy
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Find cheap flights from Irvine 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 Irvine to London Heathrow are usually found in February or October, booked 70 days in advance, depart on a Wednesday or Tuesday and return on a Thursday
Cheap flight deals from Irvine to Heathrow
Cheapest
Best
Last-minute
One-way
Cheapest flights from Irvine to HeathrowExplore the most affordable flight options available from Irvine to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 17, 2026.
Explore the most affordable flight options available from Irvine to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 17, 2026.
This deal was found by Cheapflights users on 7/14. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/187:30 pm
LAX
- LHR
1 stop14h 10m
Scandinavian Airlines
Mon 11/236:40 am
LHR
- LAX
1 stop18h 20m
Scandinavian Airlines
Deal found 7/14![Scandinavian Airlines logo]()
$640
This deal was found by Cheapflights users on 7/12. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:00 pm
LAX
- LHR
Nonstop10h 30m
British Airways
Wed 11/1810:05 am
LHR
- LAX
Nonstop11h 25m
British Airways
Deal found 7/12![British Airways logo]()
$667
This deal was found by Cheapflights users on 7/15. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/186:00 pm
LAX
- LHR
Nonstop10h 30m
British Airways
Mon 11/3010:05 am
LHR
- LAX
Nonstop11h 20m
British Airways
Deal found 7/15![British Airways logo]()
$675
This deal was found by Cheapflights users on 7/13. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/225:05 pm
LAX
- LHR
Nonstop10h 30m
British Airways
Tue 11/310:05 am
LHR
- LAX
Nonstop11h 20m
British Airways
Deal found 7/13![British Airways logo]()
$682
This deal was found by Cheapflights users on 7/17. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/186:00 pm
LAX
- LHR
Nonstop10h 30m
British Airways
Sun 11/223:10 pm
LHR
- LAX
Nonstop11h 25m
British Airways
Deal found 7/17![British Airways logo]()
$709
This Kiwi.com deal was found by Cheapflights users on 7/16. 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 10/77:30 am
LAX
- LHR
1 stop20h 35m
Multiple Airlines
Sun 10/119:10 pm
LHR
- LAX
2 stops26h 55m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$714
This Kiwi.com deal was found by Cheapflights users on 7/16. 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 11/238:15 pm
LAX
- LHR
1 stop12h 35m
Aer Lingus
Tue 12/88:45 pm
LHR
- LAX
2 stops27h 55m
Aer Lingus
Deal found 7/16![Aer Lingus logo]()
$719
This Kiwi.com deal was found by Cheapflights users on 7/16. 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.
Sun 10/43:15 pm
LAX
- LHR
1 stop16h 25m
Multiple Airlines
Sun 10/1110:00 pm
LHR
- LAX
2 stops26h 05m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$722
This United Airlines deal was found by Cheapflights users on 7/16. 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.
Mon 11/306:55 pm
LAX
- LHR
Nonstop10h 35m
United Airlines
Wed 12/212:05 pm
LHR
- LAX
1 stop36h 30m
United Airlines
Deal found 7/16![United Airlines logo]()
$727
This United Airlines deal was found by Cheapflights users on 7/13. 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.
Sun 11/86:10 pm
LAX
- LHR
1 stop33h 40m
United Airlines
Wed 11/119:00 am
LHR
- LAX
1 stop15h 35m
United Airlines
Deal found 7/13![United Airlines logo]()
$728
This deal was found by Cheapflights users on 7/17. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/273:50 pm
LAX
- LHR
Nonstop10h 25m
British Airways
Thu 10/110:30 am
LHR
- LAX
Nonstop11h 15m
British Airways
Deal found 7/17![British Airways logo]()
$729
This Air Canada deal was found by Cheapflights users on 7/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/306:10 pm
LAX
- LHR
1 stop33h 40m
Air Canada
Thu 12/36:00 am
LHR
- LAX
2 stops23h 39m
Air Canada
Deal found 7/15![Air Canada logo]()
$730
Best flights from Irvine to HeathrowDiscover carefully curated flight deals from Irvine to Heathrow that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 17, 2026.
Discover carefully curated flight deals from Irvine to Heathrow that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 17, 2026.
This United Airlines deal was found by Cheapflights users on 7/16. 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.
Sun 11/297:00 am
LAX
- LHR
1 stop18h 40m
United Airlines
Tue 12/19:00 am
LHR
- LAX
1 stop15h 35m
United Airlines
Deal found 7/16![United Airlines logo]()
$762
This Scandinavian Airlines deal was found by Cheapflights users on 7/12. 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 8/177:10 pm
LAX
- LHR
1 stop18h 30m
Scandinavian Airlines
Tue 9/17:05 am
LHR
- LAX
2 stops21h 50m
Scandinavian Airlines
Deal found 7/12![Scandinavian Airlines logo]()
$899
This Delta deal was found by Cheapflights users on 7/16. 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.
Thu 11/1210:30 pm
LAX
- LHR
Nonstop10h 20m
Delta
Tue 11/175:20 pm
LHR
- LAX
Nonstop11h 20m
Delta
Deal found 7/16![Delta logo]()
$930
This British Airways deal was found by Cheapflights users on 7/16. 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.
Sat 11/216:00 pm
LAX
- LHR
Nonstop10h 30m
British Airways
Fri 11/2710:05 am
LHR
- LAX
Nonstop11h 20m
British Airways
Deal found 7/16![British Airways logo]()
$970
This Icelandair deal was found by Cheapflights users on 7/16. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/268:25 am
LAX
- LHR
3 stops19h 25m
Multiple Airlines
Tue 11/312:15 pm
LHR
- LAX
2 stops17h 40m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$990
This Delta deal was found by Cheapflights users on 7/16. 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 9/711:15 pm
LAX
- LHR
Nonstop10h 20m
Delta
Fri 9/255:55 pm
LHR
- LAX
Nonstop11h 10m
Delta
Deal found 7/16![Delta logo]()
$954
This United Airlines deal was found by Cheapflights users on 7/14. 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.
Thu 8/203:35 pm
LAX
- LHR
Nonstop10h 35m
United Airlines
Mon 8/3112:10 pm
LHR
- LAX
1 stop36h 20m
United Airlines
Deal found 7/14![United Airlines logo]()
$976
This United Airlines deal was found by Cheapflights users on 7/13. 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.
Thu 8/2712:25 pm
LAX
- LHR
1 stop13h 35m
United Airlines
Thu 9/38:45 am
LHR
- LAX
1 stop15h 45m
United Airlines
Deal found 7/13![United Airlines logo]()
$979
This United deal was found by Cheapflights users on 7/15. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/33:35 pm
LAX
- LHR
Nonstop10h 35m
Multiple Airlines
Mon 8/106:40 pm
LHR
- LAX
1 stop29h 50m
Multiple Airlines
Deal found 7/15![Multiple Airlines logo]()
$1,179
This Scandinavian Airlines deal was found by Cheapflights users on 7/13. 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.
Fri 1/11:45 pm
LAX
- LHR
2 stops20h 45m
Scandinavian Airlines
Fri 1/86:40 am
LHR
- LAX
2 stops24h 10m
Scandinavian Airlines
Deal found 7/13![Scandinavian Airlines logo]()
$1,211
This United Airlines deal was found by Cheapflights users on 7/14. 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 11/206:55 pm
LAX
- LHR
Nonstop10h 35m
United Airlines
Fri 11/273:20 pm
LHR
- LAX
Nonstop11h 25m
United Airlines
Deal found 7/14![United Airlines logo]()
$1,096
This United Airlines deal was found by Cheapflights users on 7/16. 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 12/117:55 pm
LAX
- LHR
1 stop29h 45m
United Airlines
Sat 1/21:00 pm
LHR
- LAX
1 stop30h 24m
United Airlines
Deal found 7/16![United Airlines logo]()
$1,194
Last-minute flights from Irvine to HeathrowDiscover last-minute flight deals from Irvine to Heathrow. Data last updated July 17, 2026 and is based on user searches.
Discover last-minute flight deals from Irvine to Heathrow. Data last updated July 17, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 7/15. 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.
Tue 7/286:00 am
LAX
- LHR
1 stop16h 30m
Multiple Airlines
Tue 9/226:00 am
LHR
- LAX
1 stop18h 30m
Multiple Airlines
Deal found 7/15![Multiple Airlines logo]()
$779
This Gotogate deal was found by Cheapflights users on 7/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/44:45 pm
LAX
- LHR
1 stop22h 10m
TAP AIR PORTUGAL
Mon 8/311:45 pm
LHR
- LAX
1 stop33h 00m
TAP AIR PORTUGAL
Deal found 7/15![TAP AIR PORTUGAL logo]()
$771
This Jettzy deal was found by Cheapflights users on 7/15. 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 Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/44:45 pm
LAX
- LHR
1 stop21h 15m
TAP AIR PORTUGAL
Fri 8/286:00 am
LHR
- LAX
1 stop16h 35m
TAP AIR PORTUGAL
Deal found 7/15![TAP AIR PORTUGAL logo]()
$772
This Cheapflightsfares deal was found by Cheapflights users on 7/12. 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 8/44:45 pm
LAX
- LHR
1 stop18h 05m
TAP AIR PORTUGAL
Thu 8/277:50 pm
LHR
- LAX
1 stop26h 45m
TAP AIR PORTUGAL
Deal found 7/12![TAP AIR PORTUGAL logo]()
$775
This Cheapflightsfares deal was found by Cheapflights users on 7/17. 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 8/44:45 pm
LAX
- LHR
1 stop18h 05m
TAP AIR PORTUGAL
Tue 9/16:00 am
LHR
- LAX
1 stop16h 45m
TAP AIR PORTUGAL
Deal found 7/17![TAP AIR PORTUGAL logo]()
$776
This Gotogate deal was found by Cheapflights users on 7/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/94:40 pm
LAX
- LHR
1 stop21h 20m
TAP AIR PORTUGAL
Sat 8/221:45 pm
LHR
- LAX
1 stop31h 45m
TAP AIR PORTUGAL
Deal found 7/15![TAP AIR PORTUGAL logo]()
$777
This Gotogate deal was found by Cheapflights users on 7/12. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/114:45 pm
LAX
- LHR
1 stop21h 15m
TAP AIR PORTUGAL
Tue 8/256:00 am
LHR
- LAX
1 stop16h 45m
TAP AIR PORTUGAL
Deal found 7/12![TAP AIR PORTUGAL logo]()
$778
This Cheapflightsfares deal was found by Cheapflights users on 7/13. 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 8/114:45 pm
LAX
- LHR
1 stop22h 10m
TAP AIR PORTUGAL
Tue 9/156:00 am
LHR
- LAX
1 stop16h 45m
TAP AIR PORTUGAL
Deal found 7/13![TAP AIR PORTUGAL logo]()
$782
This FlightHub deal was found by Cheapflights users on 7/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/114:45 pm
LAX
- LHR
1 stop17h 00m
TAP AIR PORTUGAL
Sat 9/51:45 pm
LHR
- LAX
1 stop31h 45m
TAP AIR PORTUGAL
Deal found 7/14![TAP AIR PORTUGAL logo]()
$789
This FlightHub deal was found by Cheapflights users on 7/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/167:10 pm
LAX
- LHR
1 stop30h 10m
Scandinavian Airlines
Wed 8/196:40 am
LHR
- LAX
2 stops18h 10m
Scandinavian Airlines
Deal found 7/15![Scandinavian Airlines logo]()
$788
This Gotogate deal was found by Cheapflights users on 7/16. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/184:45 pm
LAX
- LHR
1 stop22h 10m
TAP AIR PORTUGAL
Fri 9/117:50 pm
LHR
- LAX
1 stop26h 50m
TAP AIR PORTUGAL
Deal found 7/16![TAP AIR PORTUGAL logo]()
$785
This Gotogate deal was found by Cheapflights users on 7/13. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/227:10 pm
LAX
- LHR
2 stops18h 25m
Scandinavian Airlines
Mon 8/2410:20 am
LHR
- LAX
1 stop14h 30m
Scandinavian Airlines
Deal found 7/13![Scandinavian Airlines logo]()
$774
One-way flights from Irvine to HeathrowSearch for one-way flight options from Irvine to Heathrow. Find affordable one-way fares based on user searches. Data last updated July 17, 2026.
Search for one-way flight options from Irvine to Heathrow. Find affordable one-way fares based on user searches. Data last updated July 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/13. 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 9/187:50 pm
LAX
- LHR
1 stop29h 20m
LEVEL
Deal found 7/13![LEVEL logo]()
$389
This Kiwi.com deal was found by Cheapflights users on 7/13. 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 8/178:49 pm
LAX
- LHR
3 stops39h 06m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$390
This Kiwi.com deal was found by Cheapflights users on 7/13. 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 8/510:00 am
LAX
- LHR
2 stops17h 55m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$393
This Kiwi.com deal was found by Cheapflights users on 7/12. 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 8/223:04 pm
LAX
- LHR
2 stops21h 16m
Multiple Airlines
Deal found 7/12![Multiple Airlines logo]()
$394
This Kiwi.com deal was found by Cheapflights users on 7/13. 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 9/113:16 pm
LAX
- LHR
2 stops21h 04m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$395
This Kiwi.com deal was found by Cheapflights users on 7/16. 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 8/103:04 pm
LAX
- LHR
2 stops21h 16m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$396
This Kiwi.com deal was found by Cheapflights users on 7/13. 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 9/149:56 pm
LAX
- LHR
3 stops29h 59m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$397
This Super.com deal was found by Cheapflights users on 7/13. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/66:00 am
LAX
- LHR
1 stop16h 30m
JetBlue
Deal found 7/13![JetBlue logo]()
$398
This SmartFares deal was found by Cheapflights users on 7/15. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/57:30 am
LAX
- LHR
1 stop18h 00m
JetBlue
Deal found 7/15![JetBlue logo]()
$399
This JetBlue deal was found by Cheapflights users on 7/14. 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.
Sat 10/108:45 pm
LAX
- LHR
1 stop16h 00m
JetBlue
Deal found 7/14![JetBlue logo]()
$400
This Cheapflightsfares deal was found by Cheapflights users on 7/15. 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.
Thu 8/64:20 pm
LAX
- LHR
1 stop20h 25m
JetBlue
Deal found 7/15![JetBlue logo]()
$401
Find flight deals from Irvine to Heathrow
Keep the following information in mind while searching for Irvine to Heathrow flight deals. Data was last updated July 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $640 |
One-way from | $389 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $1,175 |
Cheapflights Fare Finder
Customize your flight search to find flights from Irvine 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 2,558,603 searches. Data last updated July 17, 2026.
Use the filters below to find and compare flights from Irvine to London Heathrow Airport that are best for you.
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Los AngelesLondon
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LAXLHR
Los Angeles Los Angeles
Sun 11/29
7:00 am-9:40 am
1 stop18h 40m
London Heathrow
Tue 12/1
9:00 am-4:35 pm
1 stop15h 35m
$762
Los AngelesLondon
LAX - LHR
LAXLHR
Los Angeles Los Angeles
Mon 8/17
7:10 pm-9:40 pm
1 stop18h 30m
London Heathrow
Tue 9/1
7:05 am-8:55 pm
2 stops21h 50m
$899
Los AngelesLondon
LAX - LHR
LAXLHR
Los Angeles Los Angeles
Thu 11/12
10:30 pm-4:50 pm
Nonstop10h 20m
London Heathrow
Tue 11/17
5:20 pm-8:40 pm
Nonstop11h 20m
$930
Quickest round-trip
Los AngelesLondon
LAX - LHR
LAXLHR
Los Angeles Los Angeles
Mon 9/7
11:15 pm-5:35 pm
Nonstop10h 20m
London Heathrow
Fri 9/25
5:55 pm-9:05 pm
Nonstop11h 10m
$954
Los AngelesLondon
LAX - LHR
LAXLHR
Los Angeles Los Angeles
Sat 11/21
6:00 pm-12:30 pm
Nonstop10h 30m
London Heathrow
Fri 11/27
10:05 am-1:25 pm
Nonstop11h 20m
$970
Los AngelesLondon
LAX - LHR
LAXLHR
Los Angeles Los Angeles
Thu 8/20
3:35 pm-10:10 am
Nonstop10h 35m
London Heathrow
Mon 8/31
12:10 pm-4:30 pm
1 stop36h 20m
$976
Los AngelesLondon
LAX - LHR
LAXLHR
Los Angeles Los Angeles
Thu 8/27
12:25 pm-10:00 am
1 stop13h 35m
London Heathrow
Thu 9/3
8:45 am-4:30 pm
1 stop15h 45m
$979
Los AngelesLondon
LAX - LHR
LAXLHR
Los Angeles Los Angeles
Mon 10/26
8:25 am-10:50 am
3 stops19h 25m
London Heathrow
Tue 11/3
12:15 pm-9:55 pm
2 stops17h 40m
$990
Los AngelesLondon
LAX - LHR
LAXLHR
Los Angeles Los Angeles
Fri 11/20
6:55 pm-1:30 pm
Nonstop10h 35m
London Heathrow
Fri 11/27
3:20 pm-6:45 pm
Nonstop11h 25m
$1,096
Los AngelesLondon
LAX - LHR
LAXLHR
Los Angeles Los Angeles
Mon 8/3
3:35 pm-10:10 am
Nonstop10h 35m
London Heathrow
Mon 8/10
6:40 pm-4:30 pm
1 stop29h 50m
$1,179
Showing 1-10 of 23 resultsSorted by cheapest first
Best time to book a flight from Irvine to Heathrow
Have a flexible travel schedule? Discover the best time to fly to Heathrow from Irvine with our price prediction graph.
LAX-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 Irvine to London Heathrow Airport
IR9-LHR
LAX-LHR
What is the cheapest time of day to fly from IR9 to LHR?
Find hourly flight availability from Irvine 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 July 17, 2026.
One of the essential ways to save on airfare from Irvine to London Heathrow Airport is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 38% on airfare.
Weekly flight availability from Irvine to London Heathrow Airport
Explore weekly flight availability from Irvine to Heathrow. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 17, 2026.
The most flights from IR9 to LHR are scheduled on a Wednesday (57 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (52 on average).
How much does it cost to fly round-trip from Irvine to London Heathrow Airport?
What is the cheapest day to fly from Irvine to London Heathrow Airport?
Use this chart to determine the cheapest time to fly round-trip from Irvine to Heathrow. Price data was last updated on October 19, 2025.
Travelers seeking maximum savings on their Irvine to London Heathrow Airport flight should consider departing on Wednesday at noon when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
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 July 17, 2026.
Read through reviews of airlines operating flights from Irvine to London Heathrow Airport, such as Delta,Virgin Atlantic, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.8
Entertainment
7.8
Comfort
7.8
Boarding
8.1
Food
7.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Overall
7.8
Entertainment
7.8
Comfort
7.8
Boarding
8.1
Food
7.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Overall
7.8
Entertainment
7.8
Comfort
7.8
Boarding
8.1
Food
7.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Overall
7.8
Entertainment
7.8
Comfort
7.8
Boarding
8.1
Food
7.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Overall
7.8
Entertainment
7.8
Comfort
7.8
Boarding
8.1
Food
7.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Overall
7.8
Entertainment
7.8
Comfort
7.8
Boarding
8.1
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 Irvine 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
Hounslow
Winchester
Croydon
Gatwick
Wembley
Harrow
Eastleigh
Dartford
Southend-on-Sea
Watford
Northampton
Chipping Norton
Kingston upon Thames
Eastbourne
Slough
Stansted
Sutton
Luton
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for Irvine to Heathrow
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Heathrow by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Irvine to Heathrow by cabin class
Find flights from Irvine to Heathrow, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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 July 17, 2026.
Irvine and Heathrow flights
Browse other Irvine and Heathrow flight options. Last updated on July 17, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Irvine to Heathrow flights
Consider these flights traveling from Irvine to Heathrow.
Top 10 airlines flying from Irvine to Heathrow
Discover the top 10 airlines that operate flights from Irvine 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 2,558,603 searches. Data last updated July 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$262 | Average$806 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$291 | Average$926 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$389 | Average$746 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$428 | Average$575 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$469 | Average$795 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$475 | Average$675 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$486 | Average$851 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$526 | Average$896 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$532 | Average$876 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$549 | Average$976 | FlexibilityNo cancel fee | On-time75% |