Heathrow

$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
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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

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 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$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$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$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$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$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$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$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$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$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$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$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$709

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
Provider with most accurate pricing for Los Angeles Los Angeles-London (LON) flight deals.
Provider most trusted by Cheapflights users for Los Angeles Los Angeles-London (LON) flights.
From Irvine to London Heathrow
One-way flight from Irvine to London Heathrow
Highest demand for flights based on searches. 7% potential increase in price ($60 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($24 potential savings vs. average RT price).
Average for round-trip flights in April 2026

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

Price

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

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/8

Showing 1-10 of 23 resultsSorted by cheapest first
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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 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
Excellent

Aaron,Oct 2024

LAX - LHR

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

Overall

7.9

Boarding

8.1

Food

7.2

Comfort

7.9

Entertainment

7.8

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.

Overall

7.9

Boarding

8.1

Food

7.2

Comfort

7.9

Entertainment

7.8

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.

Overall

7.9

Boarding

8.1

Food

7.2

Comfort

7.9

Entertainment

7.8

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.

Overall

7.9

Boarding

8.1

Food

7.2

Comfort

7.9

Entertainment

7.8

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.

Overall

7.9

Boarding

8.1

Food

7.2

Comfort

7.9

Entertainment

7.8

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.
  • How long is the flight from Irvine to London Heathrow Airport?

    A quick flight from Irvine to London Heathrow Airport can take about 10h 25m. LEVEL provides one of the quickest options available for as low as $906. The distance between Irvine and London Heathrow Airport is about 5439 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Irvine to London Heathrow Airport one-way?

    The cheapest airline one-way is Norse Atlantic UK, with whom users have recently found tickets for as low as $139. However, be on the lookout for offers from TAP AIR PORTUGAL and KLM, as they are both options that can get you from Irvine to London Heathrow Airport for a low price.

  • 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 (90%), Austrian Airlines (90%) and United Airlines (90%).

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

    Looking at all options, your cheapest flight can be booked for $311. While the most popular route (Los Angeles Los Angeles - London Heathrow) can be booked for $562 on average, our data indicates $3,175 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, 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.

See more FAQs

Traveling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Ilford
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

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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 April 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$262Average$832FlexibilityNo cancel feeOn-time62%
Brussels AirlinesCheapest$291Average$821FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$336Average$628FlexibilityNo cancel feeOn-time79%
TAP AIR PORTUGALCheapest$427Average$543FlexibilityNo cancel feeOn-timeN/A
Norse Atlantic UKCheapest$463Average$788FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$474Average$634FlexibilityNo cancel feeOn-timeN/A
Austrian AirlinesCheapest$484Average$1,071FlexibilityNo cancel feeOn-time78%
Scandinavian AirlinesCheapest$485Average$685FlexibilityNo cancel feeOn-time77%
FinnairCheapest$485Average$718FlexibilityNo cancel feeOn-time76%
IberiaCheapest$520Average$683FlexibilityNo cancel feeOn-time77%

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