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$279+ 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 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — LON
Dec 20 — Dec 271
Sat 12/20
Sat 12/27
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 Thursday

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 November 20, 2025.

This Mytrip deal was found by Cheapflights users on 11/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/17:45 amLAX - STN
2 stops32h 10mMultiple Airlines
Wed 12/104:20 pmSTN - LAX
2 stops30h 55mMultiple Airlines
Deal found 11/17$613
This Delta deal was found by Cheapflights users on 11/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/268:36 amLAX - LHR
1 stop14h 29mDelta
Thu 2/2611:20 amLHR - LAX
Nonstop11h 15mDelta
Deal found 11/18$614
This Mytrip deal was found by Cheapflights users on 11/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/57:30 pmLAX - STN
2 stops19h 55mMultiple Airlines
Sun 12/76:45 pmSTN - LAX
2 stops30h 15mMultiple Airlines
Deal found 11/18$614
This TAP AIR PORTUGAL deal was found by Cheapflights users on 11/19. 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.
Thu 12/44:45 pmLAX - LHR
1 stop18h 10mTAP AIR PORTUGAL
Wed 12/101:40 pmLHR - LAX
1 stop33h 00mTAP AIR PORTUGAL
Deal found 11/19$615
This Booking.com deal was found by Cheapflights users on 11/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/294:45 pmLAX - LGW
1 stop33h 05mTAP AIR PORTUGAL
Wed 12/244:35 pmLGW - LAX
1 stop30h 05mTAP AIR PORTUGAL
Deal found 11/20$615
This Mytrip deal was found by Cheapflights users on 11/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/248:30 amLAX - STN
2 stops30h 10mMultiple Airlines
Mon 12/16:00 pmSTN - LAX
3 stops33h 27mMultiple Airlines
Deal found 11/19$615
This Delta deal was found by Cheapflights users on 11/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/189:30 amLAX - LHR
1 stop14h 35mDelta
Wed 11/265:20 pmLHR - LAX
Nonstop11h 20mDelta
Deal found 11/18$616
This Cheapflightsfares deal was found by Cheapflights users on 11/19. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:40 pmLAX - LHR
Nonstop10h 40mBritish Airways
Fri 1/164:55 pmLHR - LAX
Nonstop11h 30mBritish Airways
Deal found 11/19$617
This Cheapflightsfares deal was found by Cheapflights users on 11/19. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/31:30 pmLAX - LHR
1 stop13h 20mMultiple Airlines
Tue 12/169:00 amLHR - LAX
1 stop15h 35mMultiple Airlines
Deal found 11/19$618
This Mytrip deal was found by Cheapflights users on 11/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/258:30 amLAX - STN
2 stops29h 55mMultiple Airlines
Tue 12/27:45 pmSTN - LAX
2 stops27h 30mMultiple Airlines
Deal found 11/18$618
This Cheapflightsfares deal was found by Cheapflights users on 11/18. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/210:30 amLAX - LHR
1 stop13h 25mMultiple Airlines
Tue 12/169:00 amLHR - LAX
1 stop15h 35mMultiple Airlines
Deal found 11/18$619
This TAP AIR PORTUGAL deal was found by Cheapflights users on 11/19. 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.
Thu 11/274:45 pmLAX - LGW
2 stops32h 40mTAP AIR PORTUGAL
Wed 12/179:35 amLGW - LAX
2 stops37h 05mTAP AIR PORTUGAL
Deal found 11/19$619

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 November 20, 2025.

Most accurate provider

Gotogate
3 stars

Most trusted provider

Gotogate
3 stars

Round-trip from

$612
(United Airlines)

One-way from

$279
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$765
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 ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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 November 20, 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 - LHR

LAXLHR

Los Angeles

Sat 1/24

4:45 pm-9:35 pm

1 stop20h 50m

London Heathrow

Wed 1/28

6:30 pm-2:40 pm

1 stop28h 10m

$614

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Wed 1/7

2:15 pm-11:15 am

1 stop13h 00m

London Heathrow

Tue 2/3

9:00 am-4:35 pm

1 stop15h 35m

$616

Los AngelesLondon

LAX - LGW

LAXLGW

Los Angeles

Thu 1/8

7:10 pm-5:50 pm

1 stop14h 40m

London Gatwick

Wed 1/21

6:40 pm-4:35 pm

1 stop29h 55m

$617

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Thu 1/8

7:00 pm-1:30 pm

Nonstop10h 30m

London Heathrow

Wed 1/21

6:30 am-1:05 pm

1 stop14h 35m

$620

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Tue 12/30

7:25 pm-9:40 am

1 stop30h 15m

London Heathrow

Sun 1/11

6:00 pm-7:27 pm

1 stop33h 27m

$630

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Tue 12/30

7:00 pm-1:30 pm

Nonstop10h 30m

London Heathrow

Fri 1/9

6:00 pm-3:17 pm

1 stop29h 17m

$637

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Thu 1/8

7:00 pm-1:30 pm

Nonstop10h 30m

London Heathrow

Tue 1/20

2:30 pm-9:08 pm

1 stop14h 38m

$639

Los AngelesLondon

LAX - STN

LAXSTN

Los Angeles

Fri 1/9

5:30 pm-11:45 pm

2 stops22h 15m

London Stansted

Sun 2/8

7:40 am-6:10 pm

1 stop18h 30m

$647

Los AngelesLondon

LAX - STN

LAXSTN

Los Angeles

Tue 2/17

5:30 pm-7:35 pm

2 stops18h 05m

London Stansted

Tue 2/24

7:30 pm-1:05 pm

2 stops25h 35m

$649

Los AngelesLondon

LAX - LCY

LAXLCY

Los Angeles

Sun 1/11

11:55 pm-7:15 am

2 stops23h 20m

London City

Mon 1/19

8:40 am-11:45 am

1 stop35h 05m

$650

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/18

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 November 14, 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, October is the cheapest month in which you can book a flight from Irvine to London (average of $226). Flying from Irvine to London in June is currently the most expensive (average of $563). 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 November 20, 2025.

It’s typically best to fly out from Irvine to London in the afternoon. Doing so could potentially save you 26% on the flight price compared to flying at noon, 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 December 16, 2024.

Travelers seeking maximum savings on their Irvine to London flight should consider departing on Friday evenings 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

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 November 20, 2025.

The most flights from IR9 to LON are scheduled on a Tuesday (46 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (40 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 November 20, 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
7.9
Good
8,002 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Overall

7.9

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
7.9
Good
8,002 reviews
Delta
7.9
Good
8,002 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Overall

7.9

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.
American Airlines
7.2
Good
11,045 reviews
Delta
7.9
Good
8,002 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Overall

7.9

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.
Norse Atlantic UK
7.2
Good
Delta
7.9
Good
8,002 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Overall

7.9

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.
Iberia
7.0
Good
3,027 reviews
Delta
7.9
Good
8,002 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Overall

7.9

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.
British Airways
6.7
Okay
7,533 reviews
Delta
7.9
Good
8,002 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Overall

7.9

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 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, United Airlines, and SWISS fly from Irvine to London in about 13h. The time it takes to get you to your destination can typically vary by up to 7h 50m. Irvine and London are separated by a distance of 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 one-way?

    To fly one-way, consider booking your trip with WestJet, which is currently one of the cheapest options available, starting at $298. JetBlue flights start at $354 while deals on Finnair start at $375 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 City as they are the most popular.

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

    Consider Air Canada (90%), Austrian Airlines (90%) or United Airlines (90%) 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 $3,228, our data shows the cheapest flight currently is $335. When looking at the most popular route, (Los Angeles - London Heathrow), you can expect to pay $444 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 $226). Flying from Irvine to London in June is currently the most expensive (average of $563). 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
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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 November 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$272Average$1,046FlexibilityNo cancel feeOn-time60%
JetBlueCheapest$273Average$800FlexibilityNo cancel feeOn-time62%
SWISSCheapest$336Average$922FlexibilityNo cancel feeOn-time79%
Norse Atlantic UKCheapest$359Average$682FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$419Average$597FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$427Average$910FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$427Average$625FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$476Average$687FlexibilityNo cancel feeOn-timeN/A
FinnairCheapest$486Average$700FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$498Average$862FlexibilityNo cancel feeOn-time70%

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