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$178+ Cheap flights from Irvine, CA to London (LON)

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 11/29. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — LON
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheapflights Tip: The best prices from Irvine to London are usually found in September or August, booked 31 days in advance, depart on a Wednesday or Tuesday and return on a Thursday

Cheap flight deals from Irvine to London

Keep the following information in mind while searching for Irvine to London flight deals. Data was last updated September 17, 2025.

Round-trip from

$500
(Gurufare)

One-way from

$178
(Booking.com)

Popular in

December

Cheapest in

September

Average price

$604
From Irvine to London (LON)
Search Deals
One-way flight from Irvine to London (LON)
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($100 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Irvine to London

Cheapest flights from Irvine to London
Explore the most affordable flight options available from Irvine to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This Gurufare 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/134:45 pmLAX - LHR
1 stop16h 45mTAP AIR PORTUGAL
Mon 11/246:30 pmLHR - LAX
1 stop28h 30mTAP AIR PORTUGAL
Deal found 9/14$500
This Gurufare deal was found by Cheapflights users on 9/17. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/305:45 pmLAX - LHR
1 stop20h 50mTAP AIR PORTUGAL
Sat 11/16:00 amLHR - LAX
1 stop17h 00mTAP AIR PORTUGAL
Deal found 9/17$501
This Booking.com deal was found by Cheapflights users on 9/16. 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.
Sun 9/214:30 pmLAX - LGW
Nonstop10h 25mNorse Atlantic UK
Wed 9/2410:55 amLGW - LAX
Nonstop11h 15mNorse Atlantic UK
Deal found 9/16$501
This Norse Atlantic Airways 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 Norse Atlantic Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/104:30 pmLAX - LGW
Nonstop10h 25mNorse Atlantic UK
Fri 10/1710:55 amLGW - LAX
Nonstop11h 15mNorse Atlantic UK
Deal found 9/15$502
This TAP AIR PORTUGAL 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/244:40 pmLAX - LHR
1 stop21h 20mTAP AIR PORTUGAL
Fri 10/317:55 pmLHR - LAX
1 stop27h 05mTAP AIR PORTUGAL
Deal found 9/15$503
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/172:30 pmLAX - LTN
1 stop34h 00mMultiple Airlines
Sat 11/229:25 amLTN - LAX
1 stop19h 00mMultiple Airlines
Deal found 9/15$504
This Gurufare 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/154:45 pmLAX - LGW
1 stop33h 05mTAP AIR PORTUGAL
Mon 11/244:35 pmLGW - LAX
1 stop30h 25mTAP AIR PORTUGAL
Deal found 9/14$504
This TAP AIR PORTUGAL deal was found by Cheapflights users on 9/17. 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.
Fri 10/244:40 pmLAX - LGW
1 stop34h 10mTAP AIR PORTUGAL
Fri 10/314:40 pmLGW - LAX
1 stop30h 20mTAP AIR PORTUGAL
Deal found 9/17$506
This Gurufare 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/84:45 pmLAX - LHR
1 stop35h 55mTAP AIR PORTUGAL
Mon 11/176:30 pmLHR - LAX
1 stop28h 30mTAP AIR PORTUGAL
Deal found 9/14$508
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.
Sun 10/124:30 pmLAX - LGW
Nonstop10h 25mNorse Atlantic UK
Wed 10/2210:55 amLGW - LAX
Nonstop11h 15mNorse Atlantic UK
Deal found 9/14$508
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/54:30 pmLAX - LGW
Nonstop10h 25mNorse Atlantic UK
Wed 10/2210:55 amLGW - LAX
Nonstop11h 15mNorse Atlantic UK
Deal found 9/15$509
This Norse deal was found by Cheapflights users on 9/16. 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 Norse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/154:30 pmLAX - LGW
Nonstop10h 25mMultiple Airlines
Wed 11/124:35 pmLGW - LAX
1 stop26h 20mMultiple Airlines
Deal found 9/16$510

Cheapflights Fare Finder

 
Customize your flight search to find flights from Irvine to London 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 September 17, 2025.
Use the filters below to find and compare flights from Irvine to London that are best for you.

Fly from

Irvine

Fly to

London

Route

Depart

Return

Price

Los AngelesLondon

LAX - LGW

LAXLGW

Los Angeles

Fri 10/24

4:40 pm-10:50 am

1 stop34h 10m

London Gatwick

Fri 10/31

4:40 pm-4:00 pm

1 stop30h 20m

$507

Los AngelesLondon

LAX - LGW

LAXLGW

Los Angeles

Wed 10/1

4:30 pm-10:55 am

Nonstop10h 25m

London Gatwick

Wed 10/15

10:55 am-2:10 pm

Nonstop11h 15m

$518

Los AngelesLondon

LAX - LGW

LAXLGW

Los Angeles

Thu 12/11

4:45 pm-8:40 pm

2 stops19h 55m

London Gatwick

Mon 12/15

4:35 pm-3:00 pm

1 stop30h 25m

$545

Los AngelesLondon

LAX - STN

LAXSTN

Los Angeles

Tue 10/21

8:05 am-5:00 pm

2 stops24h 55m

London Stansted

Tue 11/4

7:35 pm-9:28 pm

3 stops33h 53m

$546

Los AngelesLondon

LAX - STN

LAXSTN

Los Angeles

Tue 11/25

7:45 am-6:20 pm

2 stops26h 35m

London Stansted

Tue 12/2

9:45 pm-8:50 pm

3 stops31h 05m

$550

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Tue 10/14

4:40 pm-11:10 am

Nonstop10h 30m

London Heathrow

Tue 10/21

8:45 am-4:30 pm

1 stop15h 45m

$554

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Thu 10/30

4:25 pm-9:40 pm

2 stops22h 15m

London Heathrow

Thu 11/6

6:40 am-5:00 pm

1 stop18h 20m

$558

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Mon 1/5

7:55 am-10:15 am

1 stop18h 20m

London Heathrow

Mon 1/12

12:05 pm-4:35 pm

1 stop36h 30m

$559

Los AngelesLondon

LAX - STN

LAXSTN

Los Angeles

Tue 12/9

8:20 am-1:50 pm

2 stops21h 30m

London Stansted

Tue 12/16

8:25 pm-4:35 pm

2 stops28h 10m

$559

Los AngelesLondon

LAX - STN

LAXSTN

Los Angeles

Tue 10/14

8:05 am-12:00 pm

2 stops19h 55m

London Stansted

Tue 10/21

6:20 am-6:58 pm

2 stops20h 38m

$559

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 60 results
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Best time to book a flight from Irvine to London

Have a flexible travel schedule? Discover the best time to fly to London 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

How far ahead should I book a flight from Irvine to London?

Use this chart to determine the optimal time to book a round-trip flight from Irvine to London. Price data was last updated on September 12, 2025.

The best time to book flights from Irvine to London is 31 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, November is the cheapest month in which you can book a flight from Irvine to London (average of $661). Flying from Irvine to London in June is currently the most expensive (average of $1,097). 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 LON?

Find hourly flight availability from Irvine to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 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 as you normally would.

What is the cheapest day to fly from Irvine to London?

Use this chart to determine the cheapest time to fly round-trip from Irvine to London. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Irvine to London flight should consider departing on Sunday mornings when fares are most often at their lowest. Wednesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Irvine to London

Explore weekly flight availability from Irvine to London. 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 17, 2025.

The most flights from IR9 to LON are scheduled on a Wednesday (57 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (41 on average).

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated September 17, 2025.
Get a feel of what it's like to fly with Delta, American Airlines, and Norse Atlantic UK from Irvine to London by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,961 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

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
7,961 reviews
Delta
8.0
Very good
7,961 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

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.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,961 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

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.
Norse Atlantic UK
7.1
Good
Delta
8.0
Very good
7,961 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

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
2,925 reviews
Delta
8.0
Very good
7,961 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

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
7,367 reviews
Delta
8.0
Very good
7,961 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

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 London. 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?

    Airlines like TAP AIR PORTUGAL, Norse Atlantic UK, and United Airlines fly from Irvine to London in about 10h 25m. The time it takes to get you to your destination can typically vary by up to 23h 45m. Irvine and London are separated by a distance of 5463 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 one-way?

    To fly one-way, consider booking your trip with TAP AIR PORTUGAL, which is currently one of the cheapest options available, starting at $178. Norse Atlantic UK flights start at $179 while deals on LEVEL start at $308 one-way.

  • What are the most popular routes from Irvine to London?

    When deciding which route to take from Irvine to London consider Los Angeles - London Heathrow, Los Angeles - London City or Los Angeles - London Gatwick as they are the most popular.

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

    Consider KLM (96%), Air France (96%) or Delta (96%) when booking your flight. These represent the most reliable airlines when flying from Irvine to London.

  • What are the cheapest flights from Irvine to London?

    While on average a flight from Irvine to London is generally $3,098, our data shows the cheapest flight currently is $347. When looking at the most popular route, (Los Angeles - London Heathrow), you can expect to pay $463 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Irvine to London 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?

    Currently, November is the cheapest month in which you can book a flight from Irvine to London (average of $661). Flying from Irvine to London in June is currently the most expensive (average of $1,097). 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

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Top 10 airlines flying from Irvine to London

Discover the top 10 airlines that operate flights from Irvine to London. 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$272Average$1,046FlexibilityNo cancel feeOn-time60%
JetBlueCheapest$273Average$794FlexibilityNo cancel feeOn-time62%
SWISSCheapest$336Average$912FlexibilityNo cancel feeOn-time79%
Norse Atlantic UKCheapest$360Average$681FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$363Average$782FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$375Average$651FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$419Average$593FlexibilityNo cancel feeOn-time77%
Virgin AtlanticCheapest$469Average$892FlexibilityNo cancel feeOn-time72%
Aer LingusCheapest$475Average$710FlexibilityNo cancel feeOn-timeN/A
FinnairCheapest$490Average$704FlexibilityNo cancel feeOn-time76%

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