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$334+ 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 5/20. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — LON
Apr 23 — Apr 301
Thu 4/23
Thu 4/30
1 adult, Economy
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Cheapflights Tip: The best prices from Irvine to London are usually found in September or October, booked 31 days in advance, depart on a Wednesday or Tuesday and return on a Friday

Cheap 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 March 24, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/18. 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 9/34:30 pm
LAX
-
LGW
Nonstop10h 25m
Norse Atlantic UK
Mon 9/2810:05 am
LGW
-
LAX
Nonstop11h 15m
Norse Atlantic UK
Deal found 3/18$628
This Kiwi.com deal was found by Cheapflights users on 3/18. 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 8/274:30 pm
LAX
-
LGW
Nonstop10h 25m
Norse Atlantic UK
Sun 9/610:20 am
LGW
-
LAX
Nonstop11h 15m
Norse Atlantic UK
Deal found 3/18$629
This KAYAK deal was found by Cheapflights users on 3/18. 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 4/256:00 pm
LAX
-
LGW
1 stop31h 45m
TAP AIR PORTUGAL
Mon 5/1110:35 am
LGW
-
LAX
1 stop35h 10m
TAP AIR PORTUGAL
Deal found 3/18$630
This Justfly.com deal was found by Cheapflights users on 3/20. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/144:45 pm
LAX
-
LHR
1 stop36h 00m
TAP AIR PORTUGAL
Thu 4/304:35 pm
LHR
-
LAX
1 stop30h 00m
TAP AIR PORTUGAL
Deal found 3/20$635
This Kiwi.com deal was found by Cheapflights users on 3/20. 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 7/84:30 pm
LAX
-
LGW
Nonstop10h 25m
Norse Atlantic UK
Sat 9/1910:05 am
LGW
-
LAX
Nonstop11h 15m
Norse Atlantic UK
Deal found 3/20$635
This Kiwi.com deal was found by Cheapflights users on 3/20. 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 stop18h 05m
TAP AIR PORTUGAL
Mon 5/46:45 pm
LHR
-
LAX
1 stop27h 00m
TAP AIR PORTUGAL
Deal found 3/20$636
This TAP AIR PORTUGAL deal was found by Cheapflights users on 3/19. 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 4/144:45 pm
LAX
-
LGW
1 stop33h 00m
TAP AIR PORTUGAL
Thu 4/309:20 pm
LGW
-
LAX
2 stops25h 15m
TAP AIR PORTUGAL
Deal found 3/19$637
This Booking.com deal was found by Cheapflights users on 3/23. 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 4/144:45 pm
LAX
-
LGW
1 stop33h 00m
TAP AIR PORTUGAL
Thu 5/149:20 pm
LGW
-
LAX
2 stops25h 15m
TAP AIR PORTUGAL
Deal found 3/23$638
This Scandinavian Airlines deal was found by Cheapflights users on 3/20. 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.
Wed 11/257:30 pm
LAX
-
LHR
2 stops57h 25m
Scandinavian Airlines
Sun 11/2910:20 am
LHR
-
LAX
1 stop14h 40m
Scandinavian Airlines
Deal found 3/20$639
This Kiwi.com deal was found by Cheapflights users on 3/18. 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 8/234:30 pm
LAX
-
LGW
Nonstop10h 25m
Norse Atlantic UK
Sat 9/510:05 am
LGW
-
LAX
Nonstop11h 15m
Norse Atlantic UK
Deal found 3/18$639
This FlightHub deal was found by Cheapflights users on 3/19. 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.
Fri 4/244:40 pm
LAX
-
LGW
1 stop33h 05m
TAP AIR PORTUGAL
Thu 5/710:35 am
LGW
-
LAX
1 stop36h 00m
TAP AIR PORTUGAL
Deal found 3/19$641
This Kiwi.com deal was found by Cheapflights users on 3/21. 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 8/164:30 pm
LAX
-
LGW
Nonstop10h 25m
Norse Atlantic UK
Sun 8/2310:20 am
LGW
-
LAX
Nonstop11h 15m
Norse Atlantic UK
Deal found 3/21$642

Find flight deals from Irvine to London

Keep the following information in mind while searching for Irvine to London flight deals. Data was last updated March 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$635
(Justfly.com)

One-way from

$334
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$708
Provider with most accurate pricing for Los Angeles-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-London (LON) flights.
Search Deals
From Irvine to London (LON)
Search Deals
One-way flight from Irvine to London (LON)
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($113 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 March 24, 2026.
Use the filters below to find and compare flights from Irvine to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Los AngelesLondon

LAX - LGW

LAXLGW

Los Angeles

Tue 4/14

4:45 pm-9:45 am

1 stop33h 00m

London Gatwick

Thu 4/30

9:20 pm-2:35 pm

2 stops25h 15m

$637

Los AngelesLondon

LAX - LTN

LAXLTN

Los Angeles

Mon 4/20

5:30 pm-11:55 pm

2 stops22h 25m

London Luton

Thu 4/30

9:15 am-10:05 pm

2 stops20h 50m

$743

Los AngelesLondon

LAX - STN

LAXSTN

Los Angeles

Mon 4/6

8:10 pm-10:10 pm

1 stop18h 00m

London Stansted

Thu 4/16

5:35 pm-11:40 am

1 stop26h 05m

$757

Los AngelesLondon

LAX - SEN

LAXSEN

Los Angeles

Sun 4/26

5:30 pm-10:25 pm

2 stops20h 55m

London Southend

Sun 5/3

3:35 pm-4:30 pm

2 stops32h 55m

$794

Los AngelesLondon

LAX - SEN

LAXSEN

Los Angeles

Fri 4/24

7:55 pm-9:45 pm

1 stop17h 50m

London Southend

Wed 4/29

8:25 am-6:10 pm

1 stop17h 45m

$798

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Mon 4/6

8:10 pm-10:25 pm

1 stop18h 15m

London Heathrow

Wed 4/22

6:30 pm-11:40 am

1 stop25h 10m

$803

Los AngelesLondon

LAX - LCY

LAXLCY

Los Angeles

Sun 4/5

4:29 pm-4:40 pm

2 stops16h 11m

London City

Tue 4/21

8:25 am-2:45 pm

1 stop14h 20m

$867

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Mon 4/20

11:15 pm-5:35 pm

Nonstop10h 20m

London Heathrow

Mon 4/27

6:30 am-11:50 am

1 stop13h 20m

$879

Los AngelesLondon

LAX - SEN

LAXSEN

Los Angeles

Fri 4/24

1:25 pm-9:10 pm

2 stops23h 45m

London Southend

Fri 5/1

2:30 pm-11:40 am

2 stops29h 10m

$884

Los AngelesLondon

LAX - LGW

LAXLGW

Los Angeles

Mon 5/4

4:45 pm-6:50 pm

1 stop18h 05m

London Gatwick

Mon 5/11

10:20 am-11:02 pm

2 stops20h 42m

$921

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/19

Showing 1-10 of 60 resultsSorted by cheapest first
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6

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 March 13, 2026.

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, October is the cheapest month in which you can book a flight from Irvine to London (average of $222). Flying from Irvine to London in June is currently the most expensive (average of $560). 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 March 24, 2026.

It’s typically best to fly out from Irvine to London in the afternoon. Doing so could potentially save you 33% on the flight price compared to flying in the morning, which is usually more expensive.

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 March 23, 2026.

Travelers seeking maximum savings on their Irvine to London flight should consider departing on Tuesday afternoons 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

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 March 24, 2026.

The most flights from IR9 to LON are scheduled on a Monday (45 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (45 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 March 24, 2026.
Get a feel of what it's like to fly with Delta,United Airlines, andNorse 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
7.9
Good
8,319 reviews

Food

7.2

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.8

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
8,319 reviews
Delta
7.9
Good
8,319 reviews

Food

7.2

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.8

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
9,467 reviews
Delta
7.9
Good
8,319 reviews

Food

7.2

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.8

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
7.3
Good
Delta
7.9
Good
8,319 reviews

Food

7.2

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.8

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
7.1
Good
11,492 reviews
Delta
7.9
Good
8,319 reviews

Food

7.2

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.8

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
7,813 reviews
Delta
7.9
Good
8,319 reviews

Food

7.2

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.8

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, Turkish Airlines, and Virgin Atlantic fly from Irvine to London in about 16h 11m. The time it takes to get you to your destination can typically vary by up to 16h 49m. Irvine and London are separated by a distance of 5454 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 Norse Atlantic UK, which is currently one of the cheapest options available, starting at $139. TAP AIR PORTUGAL flights start at $168 while deals on WestJet start at $230 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 Gatwick or Los Angeles - London Stansted as they are the most popular.

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

    Consider Air Canada (86%), Austrian Airlines (86%) or United Airlines (86%) 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 $3,130, our data shows the cheapest flight currently is $275. When looking at the most popular route, (Los Angeles - London Heathrow), you can expect to pay $564 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, October is the cheapest month in which you can book a flight from Irvine to London (average of $222). Flying from Irvine to London in June is currently the most expensive (average of $560). 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?

Book flights to London if you plan to visit one of these locations
Ilford
Hounslow
Croydon
Gatwick
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Winchester
Orpington
Watford
Borehamwood
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Sutton
Slough
Stansted

Browse thousands of different options on Cheapflights for your next trip

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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 March 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$262Average$823FlexibilityNo cancel feeOn-time62%
Brussels AirlinesCheapest$291Average$821FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$300Average$758FlexibilityNo cancel feeOn-time79%
Norse Atlantic UKCheapest$343Average$698FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$420Average$536FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$474Average$632FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$480Average$669FlexibilityNo cancel feeOn-time77%
Austrian AirlinesCheapest$484Average$1,071FlexibilityNo cancel feeOn-time78%
FinnairCheapest$486Average$715FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$498Average$808FlexibilityNo cancel feeOn-time70%

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