$329+ Cheap flights from Irvine, CA to Heathrow (LHR)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/13. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — LHR
Oct 15 — Oct 221
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 January, 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 September 15, 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 September 15, 2026.
This Super.com deal was found by Cheapflights users on 9/12. 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 Super.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 9/12![Royal Air Maroc logo]()
$661
This Delta deal was found by Cheapflights users on 9/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2811:33 am -
1 stop14h 27m
Wed 1/1310:55 am -
Nonstop11h 15m
Deal found 9/13![Delta logo]()
$766
This United Airlines deal was found by Cheapflights users on 9/11. 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 11/58:30 am -
1 stop14h 40m
Tue 11/179:00 am -
1 stop15h 35m
Deal found 9/11![United Airlines logo]()
$767
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Mon 10/52:19 pm -
1 stop13h 36m
Mon 10/269:00 am -
1 stop15h 35m
Deal found 9/14![United Airlines logo]()
$768
This Delta deal was found by Cheapflights users on 9/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/296:00 am -
1 stop17h 05m
Fri 1/88:55 am -
2 stops21h 22m
Deal found 9/14![Delta logo]()
$769
This British Airways deal was found by Cheapflights users on 9/14. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/293:30 pm -
Nonstop10h 30m
Thu 1/710:05 am -
Nonstop11h 20m
Deal found 9/14![British Airways logo]()
$770
This Cheapflightsfares deal was found by Cheapflights users on 9/11. 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 10/16:05 pm -
Nonstop10h 40m
Fri 10/98:20 am -
Nonstop11h 15m
Deal found 9/11![British Airways logo]()
$771
This United Airlines deal was found by Cheapflights users on 9/11. 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 11/58:30 am -
1 stop14h 40m
Wed 11/186:35 am -
1 stop16h 40m
Deal found 9/11![United Airlines logo]()
$772
This KLM deal was found by Cheapflights users on 9/12. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/223:50 pm -
Nonstop10h 25m
Tue 11/311:30 am -
1 stop14h 55m
Deal found 9/12![Multiple Airlines logo]()
$773
This Delta deal was found by Cheapflights users on 9/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/410:05 pm -
Nonstop10h 25m
Sun 11/156:20 am -
1 stop20h 05m
Deal found 9/15![Delta logo]()
$774
This Delta deal was found by Cheapflights users on 9/11. 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.
Fri 9/188:35 pm -
Nonstop10h 25m
Fri 9/256:15 am -
1 stop14h 40m
Deal found 9/11![Delta logo]()
$775
This Delta deal was found by Cheapflights users on 9/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/301:40 pm -
1 stop12h 20m
Thu 1/711:20 am -
1 stop15h 46m
Deal found 9/15![Delta logo]()
$776
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 September 15, 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 September 15, 2026.
This United Airlines deal was found by Cheapflights users on 9/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/63:40 pm -
Nonstop10h 30m
Sun 10/119:30 am -
1 stop20h 01m
Deal found 9/12![United Airlines logo]()
$785
This Delta deal was found by Cheapflights users on 9/11. 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 9/225:55 pm -
1 stop13h 40m
Sun 9/272:30 pm -
Nonstop11h 15m
Deal found 9/11![Delta logo]()
$786
This KLM deal was found by Cheapflights users on 9/10. 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 10/211:15 pm -
Nonstop10h 20m
Mon 10/52:30 pm -
Nonstop11h 15m
Deal found 9/10![KLM logo]()
$832
This SWISS deal was found by Cheapflights users on 9/13. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/57:35 pm -
1 stop14h 15m
Tue 10/132:25 pm -
2 stops34h 05m
Deal found 9/13![SWISS logo]()
$895
This Virgin Atlantic deal was found by Cheapflights users on 9/14. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1811:15 pm -
Nonstop10h 20m
Sun 9/279:55 am -
Nonstop11h 15m
Deal found 9/14![Virgin Atlantic logo]()
$1,174
This United Airlines deal was found by Cheapflights users on 9/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/198:30 am -
1 stop14h 40m
Wed 11/253:20 pm -
Nonstop11h 25m
Deal found 9/12![United Airlines logo]()
$785
This Delta deal was found by Cheapflights users on 9/11. 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.
Fri 9/253:50 pm -
Nonstop10h 25m
Sun 9/272:30 pm -
Nonstop11h 15m
Deal found 9/11![Delta logo]()
$832
This TAP AIR PORTUGAL deal was found by Cheapflights users on 9/12. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/247:00 am -
3 stops26h 30m
Wed 12/28:15 am -
2 stops33h 00m
Deal found 9/12![TAP AIR PORTUGAL logo]()
$1,708
This United Airlines deal was found by Cheapflights users on 9/14. 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 11/198:30 am -
1 stop14h 40m
Thu 11/263:20 pm -
Nonstop11h 25m
Deal found 9/14![United Airlines logo]()
$785
This SWISS deal was found by Cheapflights users on 9/13. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/207:35 pm -
2 stops17h 55m
Tue 10/66:40 pm -
1 stop29h 50m
Deal found 9/13![SWISS logo]()
$895
This United Airlines deal was found by Cheapflights users on 9/10. 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 9/243:40 pm -
Nonstop10h 30m
Sun 9/271:05 pm -
Nonstop11h 20m
Deal found 9/10![United Airlines logo]()
$832
Last-minute flights from Irvine to HeathrowDiscover last-minute flight deals from Irvine to Heathrow. Data last updated September 15, 2026 and is based on user searches.
Discover last-minute flight deals from Irvine to Heathrow. Data last updated September 15, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 9/11. 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.
Fri 9/188:35 pm -
Nonstop10h 25m
Fri 9/256:15 am -
1 stop14h 40m
Deal found 9/11![Delta logo]()
$775
This United Airlines deal was found by Cheapflights users on 9/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/203:40 pm -
Nonstop10h 30m
Fri 5/281:05 pm -
Nonstop11h 05m
Deal found 9/12![United Airlines logo]()
$766
This deal was found by Cheapflights users on 9/13. 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.
Sun 9/275:10 pm -
Nonstop10h 25m
Sat 10/103:05 pm -
Nonstop11h 20m
Deal found 9/13![British Airways logo]()
$767
This United Airlines deal was found by Cheapflights users on 9/13. 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 10/13:40 pm -
Nonstop10h 30m
Tue 10/207:25 am -
1 stop15h 50m
Deal found 9/13![United Airlines logo]()
$769
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/15:05 pm -
Nonstop10h 30m
Tue 11/312:30 pm -
Nonstop11h 20m
Deal found 9/14![British Airways logo]()
$770
This Cheapflightsfares deal was found by Cheapflights users on 9/11. 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 10/16:05 pm -
Nonstop10h 40m
Fri 10/98:20 am -
Nonstop11h 15m
Deal found 9/11![British Airways logo]()
$771
This Super.com deal was found by Cheapflights users on 9/12. 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 Super.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 9/12![Royal Air Maroc logo]()
$661
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Mon 10/52:19 pm -
1 stop13h 36m
Mon 10/269:00 am -
1 stop15h 35m
Deal found 9/14![United Airlines logo]()
$768
This Booking.com deal was found by Cheapflights users on 9/10. 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 10/108:10 pm -
1 stop13h 10m
Mon 10/129:50 am -
1 stop16h 35m
Deal found 9/10![Aer Lingus logo]()
$776
This Air Canada deal was found by Cheapflights users on 9/10. 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.
Thu 10/2212:20 pm -
1 stop17h 00m
Thu 10/299:00 am -
2 stops19h 34m
Deal found 9/10![Air Canada logo]()
$772
This KLM deal was found by Cheapflights users on 9/12. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/223:50 pm -
Nonstop10h 25m
Tue 11/311:30 am -
1 stop14h 55m
Deal found 9/12![Multiple Airlines logo]()
$773
This Delta deal was found by Cheapflights users on 9/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:10 pm -
Nonstop10h 25m
Mon 11/96:20 am -
1 stop14h 40m
Deal found 9/12![Delta 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 September 15, 2026.
Search for one-way flight options from Irvine to Heathrow. Find affordable one-way fares based on user searches. Data last updated September 15, 2026.
This JetBlue deal was found by Cheapflights users on 9/13. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:10 am -
1 stop16h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![JetBlue logo]()
$329
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/114:35 pm -
3 stops36h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Multiple Airlines logo]()
$356
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Sat 10/171:15 pm -
2 stops17h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Multiple Airlines logo]()
$357
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 10/241:15 pm -
2 stops21h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Multiple Airlines logo]()
$358
This Delta deal was found by Cheapflights users on 9/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/136:00 am -
1 stop16h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Delta logo]()
$359
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2312:10 pm -
3 stops39h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![WestJet logo]()
$363
This Expedia deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/113:30 pm -
Nonstop10h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![British Airways logo]()
$364
This Mytrip deal was found by Cheapflights users on 9/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/183:15 pm -
1 stop16h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![ITA Airways logo]()
$367
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 September 15, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $661 (Super.com) |
One-way from | $329 (JetBlue) |
Popular in | June |
Cheapest in | February |
Average price | $974 |
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 September 15, 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 - LHR London Heathrow
LAXLHR
Los Angeles
Sun 10/11
3:15 pm-3:40 pm
1 stop16h 25m
London Heathrow
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$374
Los AngelesLondon
LAX Los Angeles - LHR London Heathrow
LAXLHR
Los Angeles
Wed 10/14
3:40 pm-10:10 am
Nonstop10h 30m
London Heathrow
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$459
Los AngelesLondon
LAX Los Angeles - LHR London Heathrow
LAXLHR
Los Angeles
Sun 10/25
8:04 am-7:55 am
2 stops16h 51m
London Heathrow
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$460
Los AngelesLondon
LAX Los Angeles - LHR London Heathrow
LAXLHR
Los Angeles
Fri 10/16
3:50 pm-10:15 am
Nonstop10h 25m
London Heathrow
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$506
Los AngelesLondon
LAX Los Angeles - LHR London Heathrow
LAXLHR
Los Angeles
Sat 11/7
10:05 pm-4:30 pm
Nonstop10h 25m
London Heathrow
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$509
Los AngelesLondon
LAX Los Angeles - LHR London Heathrow
LAXLHR
Los Angeles
Sat 11/14
6:55 pm-1:30 pm
Nonstop10h 35m
London Heathrow
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$509
Los AngelesLondon
LAX Los Angeles - LHR London Heathrow
LAXLHR
Los Angeles
Sat 10/31
6:10 pm-11:35 am
Nonstop10h 25m
London Heathrow
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$509
Los AngelesLondon
LAX Los Angeles - LHR London Heathrow
LAXLHR
Los Angeles
Sat 10/24
7:55 pm-1:30 pm
Nonstop10h 35m
London Heathrow
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$509
Quickest round-trip
Los AngelesLondon
LAX Los Angeles - LHR London Heathrow
LAXLHR
Los Angeles
Sat 10/10
11:15 pm-5:35 pm
Nonstop10h 20m
London Heathrow
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$509
Los AngelesLondon
LAX Los Angeles - LHR London Heathrow
LAXLHR
Los Angeles
Fri 11/13
6:55 pm-1:30 pm
Nonstop10h 35m
London Heathrow
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$509
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 September 15, 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 25% 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 September 15, 2026.
The most flights from IR9 to LHR are scheduled on a Monday (57 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (48 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 $791 and $1,133 in October.The cheapest round-trip price found within the last 5 days was $661 on Royal Air Maroc (Oct 2-Oct 12).
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 September 15, 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.
Overall
7.8
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Overall
7.8
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Overall
7.8
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Overall
7.8
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Overall
7.8
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Overall
7.8
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Crew
8.5
Food
7.2
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
Gatwick
Hounslow
Harrow
Wembley
Southend-on-Sea
Basingstoke
Watford
Northampton
Dartford
Winchester
Croydon
Chipping Norton
Kingston upon Thames
Eastbourne
Slough
Stansted
Sutton
Luton
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Other flights to Heathrow
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Irvine and Heathrow flights
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Irvine to Heathrow flights
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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 September 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$291 | Average$939 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$349 | Average$884 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$356 | Average$834 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$435 | Average$603 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$438 | Average$662 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$526 | Average$1,042 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$538 | Average$899 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$541 | Average$803 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$549 | Average$1,411 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$554 | Average$1,291 | FlexibilityNo cancel fee | On-time78% |