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$207+ 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 7/22. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — LHR
Jul 5 — Jul 121
Sat 7/5
Sat 7/12
1 adult, Economy
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Cheapflights Tip: The best prices from Irvine to London Heathrow are usually found in October or September, booked 81 days in advance, depart on a Wednesday or Tuesday and return on a Thursday

Cheap flight deals from Irvine to Heathrow

Keep the following information in mind while searching for Irvine to Heathrow flight deals. Data was last updated June 30, 2025.

Round-trip from

$566
(Cheapflightsfares)

One-way from

$207
(Priceline)

Popular in

June

Cheapest in

October

Average price

$1,030
From Irvine to London Heathrow
Search Deals
One-way flight from Irvine to London Heathrow
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Highest demand for flights based on searches. 15% potential increase in price ($141 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($23 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Irvine to Heathrow

Cheapest flights from Irvine to Heathrow
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 June 30, 2025.

This Air Canada deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/176:00 amLAX - LHR
2 stops19h 35mAir Canada
Thu 10/29:30 amLHR - LAX
2 stops17h 28mAir Canada
Deal found 6/30$565
This Cheapflightsfares deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/151:30 pmLAX - LHR
Nonstop10h 30mBritish Airways
Sun 8/2411:40 amLHR - LAX
Nonstop11h 15mBritish Airways
Deal found 6/30$566
This FlightHub deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/710:30 pmLAX - LHR
1 stop27h 30mMultiple Airlines
Sun 8/248:05 pmLHR - LAX
1 stop28h 25mMultiple Airlines
Deal found 6/30$567
This Cheapflightsfares deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/291:42 pmLAX - LHR
1 stop13h 08mIberia
Thu 8/712:00 pmLHR - LAX
1 stop14h 51mIberia
Deal found 6/30$568
This Delta deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/2010:50 pmLAX - LHR
Nonstop10h 25mDelta
Tue 8/512:55 pmLHR - LAX
1 stop18h 15mDelta
Deal found 6/30$569
This SWISS deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/207:35 pmLAX - LHR
1 stop15h 45mSWISS
Thu 8/146:00 amLHR - LAX
2 stops23h 55mSWISS
Deal found 6/30$570
This United Airlines deal was found by Cheapflights users on 6/27. 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.
Fri 9/124:40 pmLAX - LHR
Nonstop10h 30mUnited Airlines
Wed 10/82:05 pmLHR - LAX
1 stop15h 30mUnited Airlines
Deal found 6/27$579
This Brussels Airlines deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Brussels Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/175:30 pmLAX - LHR
2 stops19h 25mBrussels Airlines
Tue 8/266:50 amLHR - LAX
2 stops16h 25mBrussels Airlines
Deal found 6/30$582
This American Airlines deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/169:34 amLAX - LHR
1 stop13h 46mAmerican Airlines
Mon 10/204:55 pmLHR - LAX
Nonstop11h 20mAmerican Airlines
Deal found 6/30$594
This Scandinavian Airlines deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/77:30 pmLAX - LHR
2 stops30h 05mScandinavian Airlines
Sun 11/99:05 pmLHR - LAX
2 stops27h 55mScandinavian Airlines
Deal found 6/30$595
This Austrian Airlines deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/187:00 amLAX - LHR
2 stops42h 00mAustrian Airlines
Sat 8/307:30 pmLHR - LAX
1 stop25h 35mAustrian Airlines
Deal found 6/28$597
This Lufthansa deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/35:30 pmLAX - LHR
2 stops16h 10mLufthansa
Tue 8/197:30 pmLHR - LAX
1 stop29h 25mLufthansa
Deal found 6/29$600

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 June 30, 2025.
Use the filters below to find and compare flights from Irvine to London Heathrow Airport that are best for you.

Fly from

Irvine

Fly to

Heathrow

Route

Depart

Return

Price

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Wed 9/17

6:00 am-9:35 am

2 stops19h 35m

London Heathrow

Thu 10/2

9:30 am-6:58 pm

2 stops17h 28m

$565

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Fri 8/15

1:30 pm-8:00 am

Nonstop10h 30m

London Heathrow

Sun 8/24

11:40 am-2:55 pm

Nonstop11h 15m

$566

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Thu 8/7

10:30 pm-10:00 am

1 stop27h 30m

London Heathrow

Sun 8/24

8:05 pm-4:30 pm

1 stop28h 25m

$567

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Tue 7/29

1:42 pm-10:50 am

1 stop13h 08m

London Heathrow

Thu 8/7

12:00 pm-6:51 pm

1 stop14h 51m

$568

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Sun 7/20

10:50 pm-5:15 pm

Nonstop10h 25m

London Heathrow

Tue 8/5

12:55 pm-11:10 pm

1 stop18h 15m

$569

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Sun 7/20

7:35 pm-7:20 pm

1 stop15h 45m

London Heathrow

Thu 8/14

6:00 am-9:55 pm

2 stops23h 55m

$570

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Fri 9/12

4:40 pm-11:10 am

Nonstop10h 30m

London Heathrow

Tue 10/7

2:05 pm-9:35 pm

1 stop15h 30m

$579

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Sun 8/17

5:30 pm-8:55 pm

2 stops19h 25m

London Heathrow

Tue 8/26

6:50 am-3:15 pm

2 stops16h 25m

$582

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Mon 8/25

2:55 pm-8:40 pm

2 stops21h 45m

London Heathrow

Wed 9/3

7:25 am-3:15 pm

1 stop15h 50m

$595

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Mon 8/18

7:00 am-9:00 am

2 stops42h 00m

London Heathrow

Sat 8/30

7:30 pm-1:05 pm

1 stop25h 35m

$597

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/29

Showing 1-10 of 15 results
1
2

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.
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

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 June 27, 2025.

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 81 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, November is the cheapest month in which you can book a flight from Irvine to London Heathrow Airport (average of $661). Flying from Irvine to London Heathrow Airport in June is currently the most expensive (average of $1,098). 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 June 30, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Irvine to London Heathrow Airport as you normally would.

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 December 16, 2024.

Travelers seeking maximum savings on their Irvine to London Heathrow Airport flight should consider departing on Sunday mornings when fares are most often at their lowest. Monday 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 June 30, 2025.

The most flights from IR9 to LHR are scheduled on a Monday (58 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (49 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 June 30, 2025.
Read through reviews of airlines operating flights from Irvine to London Heathrow Airport, such as Delta, KLM, and Austrian Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,969 reviews

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,969 reviews
Delta
8.0
Very good
7,969 reviews

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,366 reviews
Delta
8.0
Very good
7,969 reviews

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Austrian Airlines
7.6
Good
807 reviews
Delta
8.0
Very good
7,969 reviews

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,653 reviews
Delta
8.0
Very good
7,969 reviews

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,852 reviews
Delta
8.0
Very good
7,969 reviews

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • What are the most reliable airlines from Irvine to London Heathrow Airport?

    The top 3 most reliable airlines when flying from Irvine to London Heathrow Airport are Air Canada (85%), Austrian Airlines (85%) and United Airlines (85%).

  • What are the cheapest flights from Irvine to London Heathrow Airport?

    Looking at all options, your cheapest flight can be booked for $397. While the most popular route (Los Angeles - London Heathrow) can be booked for $361 on average our data indicates $3,404 when flying from Irvine to London Heathrow Airport.

  • Can I find deals for flights from Irvine to Heathrow that include hotel bookings?

    Yes. In addition to deals on Irvine to Heathrow flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Irvine to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Irvine to Heathrow.

  • Can I find deals for business class flights from Irvine to Heathrow?

    Yes. Cheapflights offers flight deals from Irvine to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Irvine to London Heathrow Airport?

    Currently, November is the cheapest month in which you can book a flight from Irvine to London Heathrow Airport (average of $661). Flying from Irvine to London Heathrow Airport in June is currently the most expensive (average of $1,098). 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.

See more FAQs

Traveling to a place near Irvine?

Book flights to Irvine if you plan to visit one of these locations
Hayes
Hounslow
Thornton Heath
Canterbury
Harrow
Dover
Stratford-upon-Avon
Gatwick
Orpington
Watford
Northampton
Croydon
Folkestone
Borehamwood
Broadway
Aylesbury
Chelmsford
Brentwood
Chichester
Swindon

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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 2,558,603 searches. Data last updated June 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$272Average$933FlexibilityNo cancel feeOn-time60%
SWISSCheapest$336Average$706FlexibilityNo cancel feeOn-time79%
Scandinavian AirlinesCheapest$419Average$592FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$441Average$724FlexibilityNo cancel feeOn-time76%
Norse Atlantic UKCheapest$480Average$725FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$509Average$671FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$553Average$904FlexibilityNo cancel feeOn-time75%
FinnairCheapest$555Average$732FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$556Average$733FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$574Average$682FlexibilityNo cancel feeOn-time77%

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