$335+ 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 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — LHR
Sep 28 — Oct 51
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 Friday
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 August 29, 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 August 29, 2026.
This Kissandfly.com deal was found by Cheapflights users on 8/24. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/27:10 pm -
1 stop36h 50m
Mon 10/56:40 am -
2 stops18h 10m
Deal found 8/24![Scandinavian Airlines logo]()
$601
This Scandinavian Airlines deal was found by Cheapflights users on 8/23. 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.
Thu 11/127:30 pm -
2 stops30h 05m
Sun 11/156:40 am -
1 stop18h 20m
Deal found 8/23![Scandinavian Airlines logo]()
$613
This Booking.com deal was found by Cheapflights users on 8/24. 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.
Fri 10/210:20 am -
1 stop22h 30m
Mon 10/56:10 pm -
1 stop22h 10m
Deal found 8/24![Royal Air Maroc logo]()
$651
This Booking.com deal was found by Cheapflights users on 8/24. 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.
Fri 10/210:20 am -
1 stop23h 25m
Mon 10/126:10 pm -
1 stop22h 10m
Deal found 8/24![Royal Air Maroc logo]()
$658
This Booking.com deal was found by Cheapflights users on 8/24. 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.
Fri 9/2510:20 am -
1 stop22h 30m
Mon 9/286:10 pm -
1 stop22h 10m
Deal found 8/24![Royal Air Maroc logo]()
$660
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 11/69:20 am -
1 stop22h 30m
Mon 11/165:10 pm -
1 stop22h 10m
Deal found 8/24![Royal Air Maroc logo]()
$664
This Kiwi.com deal was found by Cheapflights users on 8/23. 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 9/2510:20 am -
1 stop22h 30m
Mon 10/56:10 pm -
1 stop22h 10m
Deal found 8/23![Royal Air Maroc logo]()
$665
This Justfly.com deal was found by Cheapflights users on 8/23. 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.
Fri 9/2510:20 am -
1 stop23h 25m
Mon 11/25:10 pm -
1 stop22h 10m
Deal found 8/23![Royal Air Maroc logo]()
$667
This Justfly.com deal was found by Cheapflights users on 8/24. 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 11/159:20 am -
1 stop22h 30m
Sat 11/215:10 pm -
1 stop22h 10m
Deal found 8/24![Royal Air Maroc logo]()
$669
This AirNGo deal was found by Cheapflights users on 8/24. 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/57:30 pm -
1 stop29h 50m
Wed 11/187:05 am -
2 stops17h 55m
Deal found 8/24![Scandinavian Airlines logo]()
$676
This Super.com deal was found by Cheapflights users on 8/23. 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.
Tue 11/177:30 pm -
2 stops18h 05m
Tue 11/247:30 pm -
1 stop29h 30m
Deal found 8/23![Scandinavian Airlines logo]()
$677
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 August 29, 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 August 29, 2026.
This Scandinavian Airlines deal was found by Cheapflights users on 8/24. 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 2/57:30 pm -
1 stop29h 50m
Sun 2/146:40 pm -
1 stop30h 20m
Deal found 8/24![Scandinavian Airlines logo]()
$702
This United Airlines deal was found by Cheapflights users on 8/23. 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 11/286:10 pm -
1 stop33h 40m
Wed 12/233:20 pm -
Nonstop11h 25m
Deal found 8/23![United Airlines logo]()
$884
This JetBlue deal was found by Cheapflights users on 8/23. 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.
Thu 10/223:28 pm -
1 stop21h 17m
Wed 11/412:20 pm -
1 stop16h 56m
Deal found 8/23![JetBlue logo]()
$898
This Delta deal was found by Cheapflights users on 8/23. 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 11/1710:05 pm -
Nonstop10h 25m
Mon 11/235:05 pm -
Nonstop11h 10m
Deal found 8/23![Delta logo]()
$973
This Finnair deal was found by Cheapflights users on 8/26. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/45:05 pm -
Nonstop10h 30m
Sun 10/188:20 am -
Nonstop11h 15m
Deal found 8/26![Finnair logo]()
$973
This Austrian Airlines deal was found by Cheapflights users on 8/26. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/93:05 pm -
1 stop33h 15m
Sun 9/136:00 am -
1 stop15h 05m
Deal found 8/26![Austrian Airlines logo]()
$984
This Scandinavian Airlines deal was found by Cheapflights users on 8/27. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/197:00 am -
2 stops25h 00m
Sat 1/303:35 pm -
2 stops33h 25m
Deal found 8/27![Scandinavian Airlines logo]()
$872
This United Airlines deal was found by Cheapflights users on 8/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2811:25 pm -
1 stop14h 00m
Wed 10/149:30 am -
1 stop14h 50m
Deal found 8/25![United Airlines logo]()
$906
This Scandinavian Airlines deal was found by Cheapflights users on 8/26. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/126:10 am -
2 stops19h 25m
Mon 9/2810:20 am -
1 stop14h 30m
Deal found 8/26![Scandinavian Airlines logo]()
$1,015
This United Airlines deal was found by Cheapflights users on 8/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/196:55 pm -
Nonstop10h 35m
Fri 11/273:20 pm -
Nonstop11h 25m
Deal found 8/27![United Airlines logo]()
$1,088
This United Airlines deal was found by Cheapflights users on 8/23. 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 12/208:30 am -
1 stop14h 40m
Mon 12/286:35 am -
1 stop16h 40m
Deal found 8/23![United Airlines logo]()
$1,162
This United Airlines deal was found by Cheapflights users on 8/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/196:55 pm -
Nonstop10h 35m
Sun 11/292:30 pm -
1 stop16h 01m
Deal found 8/27![United Airlines logo]()
$1,171
Last-minute flights from Irvine to HeathrowDiscover last-minute flight deals from Irvine to Heathrow. Data last updated August 29, 2026 and is based on user searches.
Discover last-minute flight deals from Irvine to Heathrow. Data last updated August 29, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 8/24. 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.
Wed 9/98:40 pm -
1 stop16h 05m
Fri 10/3012:10 pm -
1 stop14h 30m
Deal found 8/24![Multiple Airlines logo]()
$756
This deal was found by Cheapflights users on 8/26. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/175:10 pm -
Nonstop10h 25m
Wed 9/2311:40 am -
Nonstop11h 20m
Deal found 8/26![British Airways logo]()
$764
This Expedia deal was found by Cheapflights users on 8/26. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2110:40 pm -
1 stop14h 05m
Mon 10/1912:00 pm -
1 stop14h 25m
Deal found 8/26![Multiple Airlines logo]()
$757
This Booking.com deal was found by Cheapflights users on 8/24. 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.
Fri 9/2510:20 am -
1 stop22h 30m
Mon 9/286:10 pm -
1 stop22h 10m
Deal found 8/24![Royal Air Maroc logo]()
$660
This Kiwi.com deal was found by Cheapflights users on 8/23. 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 9/2510:20 am -
1 stop22h 30m
Mon 10/56:10 pm -
1 stop22h 10m
Deal found 8/23![Royal Air Maroc logo]()
$665
This Justfly.com deal was found by Cheapflights users on 8/23. 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.
Fri 9/2510:20 am -
1 stop23h 25m
Mon 11/25:10 pm -
1 stop22h 10m
Deal found 8/23![Royal Air Maroc logo]()
$667
This Mytrip deal was found by Cheapflights users on 8/27. 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.
Fri 9/2510:20 am -
2 stops19h 55m
Mon 9/283:00 pm -
2 stops25h 20m
Deal found 8/27![Multiple Airlines logo]()
$763
This Mytrip deal was found by Cheapflights users on 8/24. 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.
Fri 9/2510:20 am -
2 stops19h 55m
Sat 10/103:00 pm -
2 stops25h 20m
Deal found 8/24![Multiple Airlines logo]()
$766
This Priceline deal was found by Cheapflights users on 8/24. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/268:40 pm -
1 stop16h 05m
Tue 11/310:20 am -
1 stop14h 45m
Deal found 8/24![Multiple Airlines logo]()
$761
This KAYAK deal was found by Cheapflights users on 8/24. 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.
Sun 9/2710:20 am -
1 stop22h 30m
Thu 10/156:10 pm -
1 stop22h 10m
Deal found 8/24![Royal Air Maroc logo]()
$743
This Priceline deal was found by Cheapflights users on 8/25. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/283:25 pm -
1 stop21h 20m
Wed 10/147:30 am -
1 stop17h 40m
Deal found 8/25![Multiple Airlines logo]()
$762
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 9/2910:20 am -
1 stop22h 30m
Thu 10/156:10 pm -
1 stop22h 10m
Deal found 8/24![Royal Air Maroc logo]()
$699
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 August 29, 2026.
Search for one-way flight options from Irvine to Heathrow. Find affordable one-way fares based on user searches. Data last updated August 29, 2026.
This Air Canada deal was found by Cheapflights users on 8/24. 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.
Wed 1/207:20 am -
2 stops20h 00m
Deal found 8/24![Air Canada logo]()
$335
This Ticket deal was found by Cheapflights users on 8/24. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/2810:05 pm -
Nonstop10h 25m
Deal found 8/24![Virgin Atlantic logo]()
$336
This Cheapflightsfares deal was found by Cheapflights users on 8/24. 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.
Sat 9/1911:59 pm -
1 stop25h 31m
Deal found 8/24![JetBlue logo]()
$337
This Air Canada deal was found by Cheapflights users on 8/23. 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.
Tue 12/2912:30 am -
2 stops24h 00m
Deal found 8/23![Air Canada logo]()
$338
This FlightHub deal was found by Cheapflights users on 8/23. 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.
Wed 11/254:55 pm -
Nonstop10h 45m
Deal found 8/23![British Airways logo]()
$339
This United Airlines deal was found by Cheapflights users on 8/24. 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 12/47:11 pm -
2 stops42h 09m
Deal found 8/24![United Airlines logo]()
$340
This Super.com deal was found by Cheapflights users on 8/23. 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.
Fri 10/210:00 pm -
1 stop24h 30m
Deal found 8/23![JetBlue logo]()
$342
This Expedia deal was found by Cheapflights users on 8/24. 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.
Mon 12/285:30 pm -
Nonstop10h 40m
Deal found 8/24![British Airways logo]()
$344
This Cheapflightsfares deal was found by Cheapflights users on 8/24. 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 10/13:25 pm -
1 stop21h 20m
Deal found 8/24![JetBlue logo]()
$346
This JetBlue deal was found by Cheapflights users on 8/24. 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.
Thu 10/810:40 pm -
1 stop14h 05m
Deal found 8/24![JetBlue logo]()
$349
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 11/265:40 pm -
2 stops35h 10m
Deal found 8/24![Multiple Airlines logo]()
$351
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 11/185:15 pm -
2 stops35h 35m
Deal found 8/24![Multiple Airlines logo]()
$354
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 August 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $601 (Kissandfly.com) |
One-way from | $335 (Air Canada) |
Popular in | June |
Cheapest in | February |
Average price | $988 |
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 7,457,451 searches. Data last updated August 29, 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 Los Angeles Los Angeles - LHR London Heathrow
LAXLHR
Los Angeles Los Angeles
Fri 2/5
7:30 pm-9:20 am
1 stop29h 50m
London Heathrow
Sun 2/14
6:40 pm-5:00 pm
1 stop30h 20m
$702
Los AngelesLondon
LAX Los Angeles Los Angeles - LHR London Heathrow
LAXLHR
Los Angeles Los Angeles
Tue 1/19
7:00 am-4:00 pm
2 stops25h 00m
London Heathrow
Sat 1/30
3:35 pm-5:00 pm
2 stops33h 25m
$872
Los AngelesLondon
LAX Los Angeles Los Angeles - LHR London Heathrow
LAXLHR
Los Angeles Los Angeles
Sat 11/28
6:10 pm-11:50 am
1 stop33h 40m
London Heathrow
Wed 12/23
3:20 pm-6:45 pm
Nonstop11h 25m
$884
Los AngelesLondon
LAX Los Angeles Los Angeles - LHR London Heathrow
LAXLHR
Los Angeles Los Angeles
Thu 10/22
3:28 pm-8:45 pm
1 stop21h 17m
London Heathrow
Wed 11/4
12:20 pm-9:16 pm
1 stop16h 56m
$898
Los AngelesLondon
LAX Los Angeles Los Angeles - LHR London Heathrow
LAXLHR
Los Angeles Los Angeles
Mon 9/28
11:25 pm-9:25 pm
1 stop14h 00m
London Heathrow
Wed 10/14
9:30 am-4:20 pm
1 stop14h 50m
$906
Quickest round-trip
Los AngelesLondon
LAX Los Angeles Los Angeles - LHR London Heathrow
LAXLHR
Los Angeles Los Angeles
Tue 11/17
10:05 pm-4:30 pm
Nonstop10h 25m
London Heathrow
Mon 11/23
5:05 pm-8:15 pm
Nonstop11h 10m
$973
Los AngelesLondon
LAX Los Angeles Los Angeles - LHR London Heathrow
LAXLHR
Los Angeles Los Angeles
Sun 10/4
5:05 pm-11:35 am
Nonstop10h 30m
London Heathrow
Sun 10/18
8:20 am-11:35 am
Nonstop11h 15m
$973
Los AngelesLondon
LAX Los Angeles Los Angeles - LHR London Heathrow
LAXLHR
Los Angeles Los Angeles
Wed 9/9
3:05 pm-8:20 am
1 stop33h 15m
London Heathrow
Sun 9/13
6:00 am-1:05 pm
1 stop15h 05m
$984
Los AngelesLondon
LAX Los Angeles Los Angeles - LHR London Heathrow
LAXLHR
Los Angeles Los Angeles
Sat 9/12
6:10 am-9:35 am
2 stops19h 25m
London Heathrow
Mon 9/28
10:20 am-4:50 pm
1 stop14h 30m
$1,015
Los AngelesLondon
LAX Los Angeles Los Angeles - LHR London Heathrow
LAXLHR
Los Angeles Los Angeles
Thu 11/19
6:55 pm-1:30 pm
Nonstop10h 35m
London Heathrow
Fri 11/27
3:20 pm-6:45 pm
Nonstop11h 25m
$1,088
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 August 29, 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 32% 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 August 29, 2026.
The most flights from IR9 to LHR are scheduled on a Thursday (57 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (46 on average).
How much does it cost to fly round-trip from Irvine to London Heathrow Airport?
Airfare is below average for this route at the moment.
Irvine to London Heathrow Airport flights typically cost between $658 and $1,019 in October.The cheapest round-trip price found within the last 5 days was $601 on Scandinavian Airlines (Oct 2-Oct 5).
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.
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 August 29, 2026.
Read through reviews of airlines operating flights from Irvine to London Heathrow Airport, such as Delta,United Airlines, andVirgin Atlantic. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Boarding
8.1
Entertainment
7.8
Comfort
7.8
Food
7.2
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Crew
8.5
Boarding
8.1
Entertainment
7.8
Comfort
7.8
Food
7.2
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Crew
8.5
Boarding
8.1
Entertainment
7.8
Comfort
7.8
Food
7.2
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Crew
8.5
Boarding
8.1
Entertainment
7.8
Comfort
7.8
Food
7.2
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Crew
8.5
Boarding
8.1
Entertainment
7.8
Comfort
7.8
Food
7.2
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Crew
8.5
Boarding
8.1
Entertainment
7.8
Comfort
7.8
Food
7.2
Overall
7.8
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
Winchester
Gatwick
Hounslow
Harrow
Eastleigh
Wembley
Southend-on-Sea
Basingstoke
Watford
Northampton
Dartford
Croydon
Chipping Norton
Kingston upon Thames
Eastbourne
Slough
Stansted
Sutton
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Other flights to Heathrow
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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 7,457,451 searches. Data last updated August 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$291 | Average$939 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$356 | Average$834 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$404 | Average$945 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$429 | Average$594 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$438 | Average$662 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$469 | Average$972 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$525 | Average$900 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$528 | Average$986 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$538 | Average$899 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$541 | Average$798 | FlexibilityNo cancel fee | On-timeN/A |