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$347+ 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 2/11. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — LHR
feb. 7 — feb. 141
sáb. 2/7
sáb. 2/14
1 adult, Economy
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Cheapflights Tip: The best prices from Irvine to London Heathrow are usually found in September or October, booked 35 days in advance, depart on a Wednesday or Tuesday and return on a Friday

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 enero 8, 2026.

Most accurate provider

Gotogate
3 stars

Most trusted provider

Gotogate
3 stars

Round-trip from

$627
(United Airlines)

One-way from

$347
(Netflights)

Popular in

December

Cheapest in

September

Average price

$760
Provider with most accurate pricing for Los Angeles-London (LON) flight deals.
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Provider most trusted by Cheapflights users for Los Angeles-London (LON) flights.
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From Irvine to London Heathrow
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One-way flight from Irvine to London Heathrow
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Highest demand for flights based on searches. 8% potential increase in price ($69 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 enero 8, 2026.

This United Airlines deal was found by Cheapflights users on 1/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 1/157:00 pmLAX - LHR
Nonstop10h 30mUnited Airlines
mar. 2/39:00 amLHR - LAX
1 stop15h 35mUnited Airlines
Deal found 1/7$627
This Scandinavian Airlines deal was found by Cheapflights users on 1/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 3/196:25 pmLAX - LHR
1 stop16h 15mScandinavian Airlines
dom. 3/229:05 pmLHR - LAX
2 stops27h 55mScandinavian Airlines
Deal found 1/8$629
This SWISS deal was found by Cheapflights users on 1/7. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 2/2411:35 amLAX - LHR
2 stops22h 15mSWISS
mar. 3/39:00 amLHR - LAX
1 stop15h 35mSWISS
Deal found 1/7$630
This Air Canada deal was found by Cheapflights users on 1/7. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/128:30 amLAX - LHR
2 stops18h 50mAir Canada
jue. 2/192:30 pmLHR - LAX
1 stop30h 54mAir Canada
Deal found 1/7$631
This United Airlines deal was found by Cheapflights users on 1/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 3/198:00 pmLAX - LHR
Nonstop10h 30mUnited Airlines
jue. 4/26:55 amLHR - LAX
1 stop16h 20mUnited Airlines
Deal found 1/7$632
This Scandinavian Airlines deal was found by Cheapflights users on 1/6. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 2/77:30 pmLAX - LHR
1 stop14h 10mScandinavian Airlines
lun. 2/95:00 pmLHR - LAX
1 stop32h 00mScandinavian Airlines
Deal found 1/6$633
This Delta deal was found by Cheapflights users on 1/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 3/127:25 amLAX - LHR
1 stop15h 55mDelta
vie. 5/86:30 amLHR - LAX
1 stop13h 20mDelta
Deal found 1/6$634
This Travelocity deal was found by Cheapflights users on 1/7. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 3/57:30 pmLAX - LHR
2 stops17h 50mScandinavian Airlines
dom. 3/159:05 pmLHR - LAX
2 stops27h 55mScandinavian Airlines
Deal found 1/7$635
This Air Canada deal was found by Cheapflights users on 1/6. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/198:30 amLAX - LHR
2 stops18h 50mAir Canada
jue. 3/199:00 amLHR - LAX
2 stops19h 28mAir Canada
Deal found 1/6$636
This Delta deal was found by Cheapflights users on 1/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 3/299:35 amLAX - LHR
2 stops17h 35mDelta
jue. 4/98:40 amLHR - LAX
1 stop14h 05mDelta
Deal found 1/6$637
This Cheapflightsfares deal was found by Cheapflights users on 1/5. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/138:55 pmLAX - LHR
Nonstop10h 30mBritish Airways
mié. 5/279:50 amLHR - LAX
1 stop16h 35mBritish Airways
Deal found 1/5$638

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 enero 8, 2026.
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

jue. 2/5

7:30 pm-9:20 pm

2 stops17h 50m

London Heathrow

jue. 2/12

6:40 am-5:00 pm

1 stop18h 20m

$629

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

mar. 3/17

3:28 pm-11:35 am

1 stop13h 07m

London Heathrow

lun. 3/30

9:50 am-6:25 pm

1 stop16h 35m

$635

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

jue. 3/19

10:15 am-7:25 am

1 stop14h 10m

London Heathrow

jue. 3/26

1:25 pm-10:00 pm

1 stop15h 35m

$643

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

jue. 2/19

4:35 pm-10:55 am

Nonstop10h 20m

London Heathrow

dom. 3/1

5:20 pm-8:40 pm

Nonstop11h 20m

$644

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

sáb. 2/21

9:00 pm-3:30 pm

Nonstop10h 30m

London Heathrow

lun. 3/2

3:10 pm-6:30 pm

Nonstop11h 20m

$644

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

mar. 1/27

7:00 pm-1:30 pm

Nonstop10h 30m

London Heathrow

sáb. 2/7

2:30 pm-11:48 am

1 stop29h 18m

$644

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

mar. 3/24

7:00 pm-12:30 pm

Nonstop10h 30m

London Heathrow

lun. 3/30

8:20 am-11:30 am

Nonstop11h 10m

$644

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

sáb. 2/21

9:00 pm-3:30 pm

Nonstop10h 30m

London Heathrow

sáb. 3/7

12:30 pm-3:50 pm

Nonstop11h 20m

$644

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

sáb. 1/31

5:30 pm-12:05 pm

Nonstop10h 35m

London Heathrow

jue. 2/19

12:30 pm-3:50 pm

Nonstop11h 20m

$645

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

vie. 3/20

10:55 pm-8:10 pm

1 stop14h 15m

London Heathrow

vie. 4/3

9:40 am-5:42 pm

1 stop16h 02m

$650

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/6

Showing 1-10 of 24 results
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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 January 2, 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 35 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 enero 8, 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 29% 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 enero 8, 2026.

The most flights from IR9 to LHR are scheduled on a Wednesday (39 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (33 on average).

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 enero 8, 2026.
Read through reviews of airlines operating flights from Irvine to London Heathrow Airport, such as Delta, Virgin Atlantic, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,032 reviews

Entertainment

7.8

Food

7.2

Comfort

7.9

Crew

8.5

Overall

7.9

Boarding

8.1

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
7.9
Good
8,032 reviews
Delta
7.9
Good
8,032 reviews

Entertainment

7.8

Food

7.2

Comfort

7.9

Crew

8.5

Overall

7.9

Boarding

8.1

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.
Virgin Atlantic
7.5
Good
678 reviews
Delta
7.9
Good
8,032 reviews

Entertainment

7.8

Food

7.2

Comfort

7.9

Crew

8.5

Overall

7.9

Boarding

8.1

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
9,143 reviews
Delta
7.9
Good
8,032 reviews

Entertainment

7.8

Food

7.2

Comfort

7.9

Crew

8.5

Overall

7.9

Boarding

8.1

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.
Iberia
7.0
Good
3,079 reviews
Delta
7.9
Good
8,032 reviews

Entertainment

7.8

Food

7.2

Comfort

7.9

Crew

8.5

Overall

7.9

Boarding

8.1

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.
British Airways
6.7
Okay
7,659 reviews
Delta
7.9
Good
8,032 reviews

Entertainment

7.8

Food

7.2

Comfort

7.9

Crew

8.5

Overall

7.9

Boarding

8.1

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 13h 07m. Scandinavian Airlines provides one of the quickest options available for as low as $635. 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 Scandinavian Airlines, 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 (92%), Austrian Airlines (92%) and United Airlines (92%).

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

    Looking at all options, your cheapest flight can be booked for $257. While the most popular route (Los Angeles - London Heathrow) can be booked for $481 on average, our data indicates $3,111 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
Southend-on-Sea
Harrow
Eastleigh
Gatwick
Dartford
Dover
Winchester
Croydon
Orpington
Northampton
Watford
Hayes
Borehamwood
Broadway
Aylesbury
Chipping Norton
Horley
Kingston upon Thames

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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 enero 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$273Average$806FlexibilityNo cancel feeOn-time62%
SWISSCheapest$336Average$663FlexibilityNo cancel feeOn-time79%
TAP AIR PORTUGALCheapest$427Average$593FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$450Average$908FlexibilityNo cancel feeOn-time76%
Norse Atlantic UKCheapest$463Average$750FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$469Average$751FlexibilityNo cancel feeOn-time72%
Scandinavian AirlinesCheapest$475Average$613FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$476Average$679FlexibilityNo cancel feeOn-timeN/A
FinnairCheapest$486Average$688FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$528Average$860FlexibilityNo cancel feeOn-time70%

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