$355+ 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 9/27. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — LHR
May 10 — May 171
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 September or October, booked 87 days in advance, depart on a Wednesday or Tuesday and return on a Friday
Cheap flight deals from Irvine to Heathrow
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Best
Last-minute
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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 April 10, 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 April 10, 2026.
This Booking.com deal was found by Cheapflights users on 4/6. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/26:00 pm
LAX
- LHR
1 stop15h 45m
TAP AIR PORTUGAL
Fri 5/291:45 pm
LHR
- LAX
1 stop32h 55m
TAP AIR PORTUGAL
Deal found 4/6![TAP AIR PORTUGAL logo]()
$693
This Booking.com deal was found by Cheapflights users on 4/5. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/84:45 pm
LAX
- LHR
1 stop18h 05m
TAP AIR PORTUGAL
Mon 9/141:45 pm
LHR
- LAX
1 stop33h 00m
TAP AIR PORTUGAL
Deal found 4/5![TAP AIR PORTUGAL logo]()
$696
This KAYAK deal was found by Cheapflights users on 4/6. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/257:10 pm
LAX
- LHR
2 stops30h 25m
Scandinavian Airlines
Mon 9/286:40 am
LHR
- LAX
1 stop18h 10m
Scandinavian Airlines
Deal found 4/6![Scandinavian Airlines logo]()
$698
This Kiwi.com deal was found by Cheapflights users on 4/6. 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 9/37:10 pm
LAX
- LHR
1 stop14h 30m
Scandinavian Airlines
Wed 9/96:40 am
LHR
- LAX
1 stop18h 10m
Scandinavian Airlines
Deal found 4/6![Scandinavian Airlines logo]()
$699
This Kiwi.com deal was found by Cheapflights users on 4/4. 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 9/37:10 pm
LAX
- LHR
1 stop14h 30m
Scandinavian Airlines
Mon 9/77:05 am
LHR
- LAX
2 stops17h 45m
Scandinavian Airlines
Deal found 4/4![Scandinavian Airlines logo]()
$700
This KAYAK deal was found by Cheapflights users on 4/6. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/267:10 pm
LAX
- LHR
1 stop14h 30m
Scandinavian Airlines
Sun 9/279:05 pm
LHR
- LAX
2 stops27h 45m
Scandinavian Airlines
Deal found 4/6![Scandinavian Airlines logo]()
$702
This Kiwi.com deal was found by Cheapflights users on 4/7. 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 11/47:30 pm
LAX
- LHR
1 stop18h 10m
Scandinavian Airlines
Mon 11/910:20 am
LHR
- LAX
1 stop14h 40m
Scandinavian Airlines
Deal found 4/7![Scandinavian Airlines logo]()
$703
This Kiwi.com deal was found by Cheapflights users on 4/8. 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 11/37:30 pm
LAX
- LHR
1 stop14h 10m
Scandinavian Airlines
Sun 11/1510:20 am
LHR
- LAX
1 stop14h 40m
Scandinavian Airlines
Deal found 4/8![Scandinavian Airlines logo]()
$705
This KAYAK deal was found by Cheapflights users on 4/6. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:10 pm
LAX
- LHR
2 stops39h 20m
Scandinavian Airlines
Sun 9/275:30 pm
LHR
- LAX
2 stops31h 20m
Scandinavian Airlines
Deal found 4/6![Scandinavian Airlines logo]()
$706
This FlightHub deal was found by Cheapflights users on 4/5. 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 4/284:45 pm
LAX
- LHR
1 stop22h 10m
TAP AIR PORTUGAL
Wed 5/271:45 pm
LHR
- LAX
1 stop37h 45m
TAP AIR PORTUGAL
Deal found 4/5![TAP AIR PORTUGAL logo]()
$707
This Kiwi.com deal was found by Cheapflights users on 4/6. 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 4/284:45 pm
LAX
- LHR
1 stop17h 00m
TAP AIR PORTUGAL
Mon 5/117:50 pm
LHR
- LAX
1 stop25h 55m
TAP AIR PORTUGAL
Deal found 4/6![TAP AIR PORTUGAL logo]()
$708
This FlightHub deal was found by Cheapflights users on 4/6. 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 9/64:40 pm
LAX
- LHR
1 stop22h 15m
TAP AIR PORTUGAL
Fri 9/186:00 am
LHR
- LAX
1 stop16h 35m
TAP AIR PORTUGAL
Deal found 4/6![TAP AIR PORTUGAL logo]()
$709
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 April 10, 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 April 10, 2026.
This LEVEL deal was found by Cheapflights users on 4/7. 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 LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/197:55 pm
LAX
- LHR
1 stop29h 15m
LEVEL
Thu 5/78:50 pm
LHR
- LAX
1 stop29h 20m
LEVEL
Deal found 4/7![LEVEL logo]()
$799
This KLM deal was found by Cheapflights users on 4/5. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/268:35 pm
LAX
- LHR
Nonstop10h 25m
KLM
Tue 9/152:30 pm
LHR
- LAX
Nonstop11h 15m
KLM
Deal found 4/5![KLM logo]()
$906
This United Airlines deal was found by Cheapflights users on 4/5. 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.
Sat 9/511:15 pm
LAX
- LHR
1 stop14h 05m
United Airlines
Wed 9/161:05 pm
LHR
- LAX
Nonstop11h 20m
United Airlines
Deal found 4/5![United Airlines logo]()
$910
This Virgin Atlantic deal was found by Cheapflights users on 4/6. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1911:15 pm
LAX
- LHR
Nonstop10h 20m
Virgin Atlantic
Sun 5/318:40 am
LHR
- LAX
1 stop14h 05m
Virgin Atlantic
Deal found 4/6![Virgin Atlantic logo]()
$1,210
This Scandinavian Airlines deal was found by Cheapflights users on 4/8. 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.
Sun 7/267:10 pm
LAX
- LHR
2 stops30h 25m
Scandinavian Airlines
Sat 8/86:40 am
LHR
- LAX
2 stops21h 51m
Scandinavian Airlines
Deal found 4/8![Scandinavian Airlines logo]()
$1,262
This United Airlines deal was found by Cheapflights users on 4/5. 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.
Sat 10/33:40 pm
LAX
- LHR
Nonstop10h 30m
United Airlines
Tue 10/131:05 pm
LHR
- LAX
Nonstop11h 20m
United Airlines
Deal found 4/5![United Airlines logo]()
$956
This LEVEL deal was found by Cheapflights users on 4/9. 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 LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/98:55 pm
LAX
- LHR
1 stop28h 15m
LEVEL
Sat 5/168:50 pm
LHR
- LAX
1 stop29h 20m
LEVEL
Deal found 4/9![LEVEL logo]()
$965
This United Airlines deal was found by Cheapflights users on 4/5. 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 4/303:30 pm
LAX
- LHR
Nonstop10h 40m
United Airlines
Tue 5/121:05 pm
LHR
- LAX
Nonstop11h 10m
United Airlines
Deal found 4/5![United Airlines logo]()
$956
This KLM deal was found by Cheapflights users on 4/6. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1411:15 pm
LAX
- LHR
Nonstop10h 20m
KLM
Mon 8/178:40 am
LHR
- LAX
1 stop14h 05m
KLM
Deal found 4/6![KLM logo]()
$1,128
This United Airlines deal was found by Cheapflights users on 4/5. 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 4/262:15 pm
LAX
- LHR
1 stop15h 05m
United Airlines
Sun 5/31:05 pm
LHR
- LAX
Nonstop11h 10m
United Airlines
Deal found 4/5![United Airlines logo]()
$956
This KLM deal was found by Cheapflights users on 4/9. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/263:50 pm
LAX
- LHR
Nonstop10h 25m
KLM
Sat 8/89:55 am
LHR
- LAX
Nonstop11h 15m
KLM
Deal found 4/9![KLM logo]()
$1,216
This KLM deal was found by Cheapflights users on 4/9. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/203:50 pm
LAX
- LHR
Nonstop10h 25m
KLM
Wed 6/32:30 pm
LHR
- LAX
Nonstop11h 15m
KLM
Deal found 4/9![KLM logo]()
$1,236
Last-minute flights from Irvine to HeathrowDiscover last-minute flight deals from Irvine to Heathrow. Data last updated April 10, 2026 and is based on user searches.
Discover last-minute flight deals from Irvine to Heathrow. Data last updated April 10, 2026 and is based on user searches.
This Gotogate deal was found by Cheapflights users on 4/9. 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 4/214:45 pm
LAX
- LHR
1 stop22h 10m
TAP AIR PORTUGAL
Tue 5/196:00 am
LHR
- LAX
1 stop16h 45m
TAP AIR PORTUGAL
Deal found 4/9![TAP AIR PORTUGAL logo]()
$718
This FlightHub deal was found by Cheapflights users on 4/5. 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 4/284:45 pm
LAX
- LHR
1 stop22h 10m
TAP AIR PORTUGAL
Wed 5/271:45 pm
LHR
- LAX
1 stop37h 45m
TAP AIR PORTUGAL
Deal found 4/5![TAP AIR PORTUGAL logo]()
$707
This Kiwi.com deal was found by Cheapflights users on 4/6. 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 4/284:45 pm
LAX
- LHR
1 stop17h 00m
TAP AIR PORTUGAL
Mon 5/117:50 pm
LHR
- LAX
1 stop25h 55m
TAP AIR PORTUGAL
Deal found 4/6![TAP AIR PORTUGAL logo]()
$708
This Kiwi.com deal was found by Cheapflights users on 4/9. 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 4/284:45 pm
LAX
- LHR
1 stop17h 00m
TAP AIR PORTUGAL
Fri 5/156:45 pm
LHR
- LAX
1 stop27h 55m
TAP AIR PORTUGAL
Deal found 4/9![TAP AIR PORTUGAL logo]()
$709
This deal was found by Cheapflights users on 4/9. 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 4/308:50 pm
LAX
- LHR
Nonstop10h 35m
British Airways
Wed 5/611:40 am
LHR
- LAX
Nonstop11h 10m
British Airways
Deal found 4/9![British Airways logo]()
$727
This FlightHub deal was found by Cheapflights users on 4/5. 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.
Fri 5/14:40 pm
LAX
- LHR
1 stop17h 05m
TAP AIR PORTUGAL
Fri 5/157:50 pm
LHR
- LAX
1 stop26h 50m
TAP AIR PORTUGAL
Deal found 4/5![TAP AIR PORTUGAL logo]()
$720
This Booking.com deal was found by Cheapflights users on 4/6. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/26:00 pm
LAX
- LHR
1 stop15h 45m
TAP AIR PORTUGAL
Fri 5/291:45 pm
LHR
- LAX
1 stop32h 55m
TAP AIR PORTUGAL
Deal found 4/6![TAP AIR PORTUGAL logo]()
$693
This Justfly.com deal was found by Cheapflights users on 4/9. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/37:10 pm
LAX
- LHR
1 stop30h 10m
Scandinavian Airlines
Wed 5/137:50 pm
LHR
- LAX
2 stops29h 00m
Scandinavian Airlines
Deal found 4/9![Scandinavian Airlines logo]()
$717
This Kiwi.com deal was found by Cheapflights users on 4/9. 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 5/54:45 pm
LAX
- LHR
1 stop17h 00m
TAP AIR PORTUGAL
Sat 5/166:00 am
LHR
- LAX
1 stop16h 40m
TAP AIR PORTUGAL
Deal found 4/9![TAP AIR PORTUGAL logo]()
$716
This Kiwi.com deal was found by Cheapflights users on 4/9. 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 5/54:45 pm
LAX
- LHR
1 stop17h 00m
TAP AIR PORTUGAL
Thu 5/148:00 am
LHR
- LAX
1 stop38h 35m
TAP AIR PORTUGAL
Deal found 4/9![TAP AIR PORTUGAL logo]()
$724
This KAYAK deal was found by Cheapflights users on 4/8. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/89:30 am
LAX
- LHR
2 stops39h 50m
Scandinavian Airlines
Mon 5/117:05 am
LHR
- LAX
2 stops41h 45m
Scandinavian Airlines
Deal found 4/8![Scandinavian Airlines logo]()
$723
This Booking.com deal was found by Cheapflights users on 4/8. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/174:40 pm
LAX
- LHR
1 stop33h 40m
TAP AIR PORTUGAL
Thu 5/284:35 pm
LHR
- LAX
1 stop30h 00m
TAP AIR PORTUGAL
Deal found 4/8![TAP AIR PORTUGAL logo]()
$725
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 April 10, 2026.
Search for one-way flight options from Irvine to Heathrow. Find affordable one-way fares based on user searches. Data last updated April 10, 2026.
This Super.com deal was found by Cheapflights users on 4/7. 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 9/274:40 pm
LAX
- LHR
1 stop21h 20m
TAP AIR PORTUGAL
Deal found 4/7![TAP AIR PORTUGAL logo]()
$355
This Kiwi.com deal was found by Cheapflights users on 4/6. 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 10/64:45 pm
LAX
- LHR
1 stop18h 05m
TAP AIR PORTUGAL
Deal found 4/6![TAP AIR PORTUGAL logo]()
$356
This Kiwi.com deal was found by Cheapflights users on 4/5. 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 9/204:40 pm
LAX
- LHR
1 stop17h 05m
TAP AIR PORTUGAL
Deal found 4/5![TAP AIR PORTUGAL logo]()
$357
This Super.com deal was found by Cheapflights users on 4/9. 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 8/24:40 pm
LAX
- LHR
1 stop17h 05m
TAP AIR PORTUGAL
Deal found 4/9![TAP AIR PORTUGAL logo]()
$358
This Kiwi.com deal was found by Cheapflights users on 4/7. 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 10/44:40 pm
LAX
- LHR
1 stop22h 15m
TAP AIR PORTUGAL
Deal found 4/7![TAP AIR PORTUGAL logo]()
$360
This Kiwi.com deal was found by Cheapflights users on 4/9. 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 9/84:45 pm
LAX
- LHR
1 stop17h 00m
TAP AIR PORTUGAL
Deal found 4/9![TAP AIR PORTUGAL logo]()
$361
This Kiwi.com deal was found by Cheapflights users on 4/9. 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 8/114:45 pm
LAX
- LHR
1 stop17h 00m
TAP AIR PORTUGAL
Deal found 4/9![TAP AIR PORTUGAL logo]()
$362
This FlightHub deal was found by Cheapflights users on 4/5. 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 8/164:40 pm
LAX
- LHR
1 stop18h 10m
TAP AIR PORTUGAL
Deal found 4/5![TAP AIR PORTUGAL logo]()
$363
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 April 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $693 (Booking.com) |
One-way from | $355 (Super.com) |
Popular in | December |
Cheapest in | September |
Average price | $790 |
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 April 10, 2026.
Use the filters below to find and compare flights from Irvine to London Heathrow Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Los AngelesLondon
LAX - LHR
LAXLHR
Los Angeles Los Angeles
Sun 4/19
7:55 pm-9:10 am
1 stop29h 15m
London Heathrow
Thu 5/7
8:50 pm-6:10 pm
1 stop29h 20m
$799
Quickest round-trip
Los AngelesLondon
LAX - LHR
LAXLHR
Los Angeles Los Angeles
Wed 8/26
8:35 pm-3:00 pm
Nonstop10h 25m
London Heathrow
Tue 9/15
2:30 pm-5:45 pm
Nonstop11h 15m
$906
Los AngelesLondon
LAX - LHR
LAXLHR
Los Angeles Los Angeles
Sat 9/5
11:15 pm-9:20 pm
1 stop14h 05m
London Heathrow
Wed 9/16
1:05 pm-4:25 pm
Nonstop11h 20m
$910
Los AngelesLondon
LAX - LHR
LAXLHR
Los Angeles Los Angeles
Sat 10/3
3:40 pm-10:10 am
Nonstop10h 30m
London Heathrow
Tue 10/13
1:05 pm-4:25 pm
Nonstop11h 20m
$956
Los AngelesLondon
LAX - LHR
LAXLHR
Los Angeles Los Angeles
Thu 4/30
3:30 pm-10:10 am
Nonstop10h 40m
London Heathrow
Tue 5/12
1:05 pm-4:15 pm
Nonstop11h 10m
$956
Los AngelesLondon
LAX - LHR
LAXLHR
Los Angeles Los Angeles
Sun 4/26
2:15 pm-1:20 pm
1 stop15h 05m
London Heathrow
Sun 5/3
1:05 pm-4:15 pm
Nonstop11h 10m
$956
Los AngelesLondon
LAX - LHR
LAXLHR
Los Angeles Los Angeles
Sat 5/9
8:55 pm-9:10 am
1 stop28h 15m
London Heathrow
Sat 5/16
8:50 pm-6:10 pm
1 stop29h 20m
$965
Los AngelesLondon
LAX - LHR
LAXLHR
Los Angeles Los Angeles
Fri 8/14
11:15 pm-5:35 pm
Nonstop10h 20m
London Heathrow
Mon 8/17
8:40 am-2:45 pm
1 stop14h 05m
$1,128
Los AngelesLondon
LAX - LHR
LAXLHR
Los Angeles Los Angeles
Tue 5/19
11:15 pm-5:35 pm
Nonstop10h 20m
London Heathrow
Sun 5/31
8:40 am-2:45 pm
1 stop14h 05m
$1,210
Los AngelesLondon
LAX - LHR
LAXLHR
Los Angeles Los Angeles
Sun 7/26
3:50 pm-10:15 am
Nonstop10h 25m
London Heathrow
Sat 8/8
9:55 am-1:10 pm
Nonstop11h 15m
$1,216
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
How far ahead should I book a flight from Irvine to London Heathrow Airport?
Use this chart to determine the optimal time to book a round-trip flight from Irvine to Heathrow. Price data was last updated on April 3, 2026.
The price you pay for your flight from Irvine to London Heathrow Airport may vary depending on when you book. For the best chance of a lower fare, look to book 87 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 Irvine to London Heathrow Airport?
Currently, December is the cheapest month in which you can book a flight from Irvine to London Heathrow Airport (average of $469). Flying from Irvine to London Heathrow Airport in June is currently the most expensive (average of $699). 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 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 April 10, 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 31% on airfare.
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 mornings 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.
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 April 10, 2026.
The most flights from IR9 to LHR are scheduled on a Monday (50 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (50 on average).
How much does it cost to fly round-trip from Irvine to London Heathrow Airport?
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 April 10, 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
7.9
Boarding
8.1
Food
7.2
Comfort
7.9
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Overall
7.9
Boarding
8.1
Food
7.2
Comfort
7.9
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Overall
7.9
Boarding
8.1
Food
7.2
Comfort
7.9
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Overall
7.9
Boarding
8.1
Food
7.2
Comfort
7.9
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Overall
7.9
Boarding
8.1
Food
7.2
Comfort
7.9
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Overall
7.9
Boarding
8.1
Food
7.2
Comfort
7.9
Entertainment
7.8
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
Hounslow
Croydon
Gatwick
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Winchester
Orpington
Watford
Northampton
Borehamwood
Broadway
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Sutton
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 April 10, 2026.
Irvine and Heathrow flights
Browse other Irvine and Heathrow flight options. Last updated on April 10, 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 April 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$262 | Average$832 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$291 | Average$821 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$336 | Average$628 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$427 | Average$543 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$463 | Average$788 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$474 | Average$634 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$484 | Average$1,071 | FlexibilityNo cancel fee | On-time78% | |
| Cheapest$485 | Average$685 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$485 | Average$718 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$520 | Average$683 | FlexibilityNo cancel fee | On-time77% |