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$395+ Cheap flights from Orange County 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 5/19. Fares are subject to change and may not be available on all flights or dates of travel.
SNA — LON
Apr 6 — Apr 131
Sun 4/6
Sun 4/13
1 adult, Economy
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Cheap flight deals from Orange County to London

Keep the following information in mind while searching for Orange County to London flight deals. Data was last updated April 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$672
(Delta)

One-way from

$395
(Mytrip)

Popular in

June

Cheapest in

October

Average price

$645
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 Orange County to London (LON)
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One-way flight from Orange County to London (LON)
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Highest demand for flights based on searches. 13% potential increase in price ($119 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Orange County to London

Cheapest flights from Orange County to London
Explore the most affordable flight options available from Orange County to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 1, 2025.

This Delta deal was found by Cheapflights users on 4/1. 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.
Fri 4/187:10 amLGB - LHR
1 stop18h 40mDelta
Wed 4/3011:45 amLHR - LGB
2 stops18h 00mDelta
Deal found 4/1$672
This Delta deal was found by Cheapflights users on 3/31. 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.
Thu 4/171:10 pmSNA - LHR
1 stop16h 00mDelta
Wed 4/306:30 amLHR - SNA
2 stops19h 33mDelta
Deal found 3/31$672
This Air Canada deal was found by Cheapflights users on 3/31. 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.
Wed 11/512:30 pmSNA - LHR
1 stop13h 40mAir Canada
Fri 11/141:00 pmLHR - SNA
2 stops38h 25mAir Canada
Deal found 3/31$685
This United deal was found by Cheapflights users on 3/31. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/212:30 pmSNA - LHR
1 stop13h 40mUnited Airlines
Tue 12/167:40 amLHR - SNA
2 stops19h 09mUnited Airlines
Deal found 3/31$693
This lastminute.com deal was found by Cheapflights users on 3/31. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/177:10 amLGB - LHR
2 stops22h 20mMultiple Airlines
Mon 4/211:05 pmLHR - LGB
2 stops35h 11mMultiple Airlines
Deal found 3/31$701
This Mytrip deal was found by Cheapflights users on 3/31. 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 5/137:58 pmSNA - LGW
2 stops26h 57mMultiple Airlines
Tue 5/208:50 amLGW - SNA
3 stops35h 42mMultiple Airlines
Deal found 3/31$709
This KLM deal was found by Cheapflights users on 4/1. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/301:10 pmSNA - LHR
1 stop16h 00mKLM
Tue 6/311:45 amLHR - SNA
2 stops16h 37mKLM
Deal found 4/1$718
This lastminute.com deal was found by Cheapflights users on 4/1. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/81:30 pmLGB - LHR
1 stop12h 20mVirgin Atlantic
Fri 5/26:15 pmLHR - LGB
2 stops30h 01mVirgin Atlantic
Deal found 4/1$726
This Virgin Atlantic deal was found by Cheapflights users on 4/1. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/910:00 amSNA - LHR
2 stops19h 10mVirgin Atlantic
Sun 4/1312:25 pmLHR - SNA
1 stop15h 48mVirgin Atlantic
Deal found 4/1$737
This Air Canada deal was found by Cheapflights users on 3/31. 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.
Sat 11/812:30 pmSNA - LHR
2 stops34h 40mMultiple Airlines
Sat 11/157:30 pmLHR - SNA
2 stops48h 01mMultiple Airlines
Deal found 3/31$739
This KLM deal was found by Cheapflights users on 3/31. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/97:10 amLGB - LHR
2 stops21h 05mKLM
Sun 11/165:50 pmLHR - LGB
2 stops30h 29mKLM
Deal found 3/31$752
This Lufthansa deal was found by Cheapflights users on 3/30. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/3011:00 amSNA - LHR
2 stops21h 40mLufthansa
Mon 5/128:25 pmLHR - SNA
2 stops32h 30mLufthansa
Deal found 3/30$764

Cheapflights Fare Finder

Customize your flight search to find flights from Orange County 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 April 1, 2025.
Use the filters below to find and compare flights from Orange County to London that are best for you.

Fly from

Orange County

Fly to

London

Route

Depart

Return

Price

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Fri 4/18

7:10 am-9:50 am

1 stop18h 40m

London Heathrow

Wed 4/30

11:45 am-9:45 pm

2 stops18h 00m

$672

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Thu 4/17

1:10 pm-1:10 pm

1 stop16h 00m

London Heathrow

Wed 4/30

6:30 am-6:03 pm

2 stops19h 33m

$672

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Thu 4/17

7:10 am-1:30 pm

2 stops22h 20m

London Heathrow

Mon 4/21

1:05 pm-4:16 pm

2 stops35h 11m

$701

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Sun 5/4

1:35 pm-1:20 pm

1 stop15h 45m

London Heathrow

Tue 5/13

4:15 pm-9:00 am

1 stop24h 45m

$708

Santa AnaLondon

SNA - LGW

SNALGW

Santa Ana J. Wayne/Orange Cnty

Tue 5/13

7:58 pm-6:55 am

2 stops26h 57m

London Gatwick

Tue 5/20

8:50 am-12:32 pm

3 stops35h 42m

$709

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Fri 4/18

12:30 pm-11:50 am

2 stops39h 20m

London Heathrow

Tue 4/29

9:30 am-5:12 pm

2 stops39h 42m

$710

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 4/30

1:10 pm-1:10 pm

1 stop16h 00m

London Heathrow

Tue 6/3

11:45 am-8:22 pm

2 stops16h 37m

$718

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Mon 5/19

7:01 am-2:15 pm

2 stops23h 14m

London Heathrow

Mon 6/2

7:15 pm-9:32 pm

2 stops34h 17m

$726

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 4/30

11:00 am-4:40 pm

2 stops21h 40m

London Heathrow

Mon 5/12

8:25 pm-8:55 pm

2 stops32h 30m

$764

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Mon 8/25

1:35 pm-9:50 am

1 stop12h 15m

London Heathrow

Wed 9/24

12:45 pm-8:39 pm

1 stop15h 54m

$782

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

Showing 1-10 of 55 results
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Best time to book a flight from Orange County to London

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

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

Currently, November is the cheapest month in which you can book a flight from Orange County to London (average of $661). Flying from Orange County to London in June is currently the most expensive (average of $1,110). 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 KFI to LON?

Find hourly flight availability from Orange County 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 April 1, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Orange County to London as you normally would.

Rainfall in London by month

Plan your trip to London by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London when rainfall is around 1.6 in.

Temperature in London by month

Plan your trip to London by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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 April 1, 2025.
To help decide which airline to fly from Orange County to London, see what other customers have to say about Delta, KLM and Finnair. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,898 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

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
7,898 reviews
Delta
8.0
Very good
7,898 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

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.
KLM
7.8
Good
1,323 reviews
Delta
8.0
Very good
7,898 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

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.
Finnair
7.6
Good
1,267 reviews
Delta
8.0
Very good
7,898 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

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.
Air France
7.4
Good
1,425 reviews
Delta
8.0
Very good
7,898 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

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.
United Airlines
7.4
Good
8,615 reviews
Delta
8.0
Very good
7,898 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

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 Orange County to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines to fly from Orange County to London one-way?

    The cheapest airlines for a one-way flight from Orange County to London are Virgin Atlantic ($410), United Airlines ($418), and Delta ($423).

  • What are the most popular routes from Orange County to London?

    When deciding which route to take from Orange County to London consider Santa Ana J. Wayne/Orange Cnty - London Heathrow, Long Beach Municipal - London Heathrow or Santa Ana J. Wayne/Orange Cnty - London Gatwick as they are the most popular.

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

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

  • How can I find direct flights from Orange County to London?

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

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

    Yes. Cheapflights offers flight deals from Orange County 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 Orange County to London?

    Currently, November is the cheapest month in which you can book a flight from Orange County to London (average of $661). Flying from Orange County to London in June is currently the most expensive (average of $1,110). 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 Orange County?

Book flights to Orange County if you plan to visit one of these locations
Hounslow
Hayes
Thornton Heath
Luton
Wembley
Harrow
Horley
Canterbury
Dover
Gatwick
Orpington
Watford
Milton Keynes
Croydon
Borehamwood
Folkestone
Ilford
Aylesbury
Chelmsford
Sutton

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Alternative routes for Orange County to London

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Orange County to London

Discover the top 5 airlines that operate flights from Orange County 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 April 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest$543Average$945FlexibilityNo cancel feeOn-time72%
DeltaCheapest$612Average$1,007FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$620Average$1,067FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$653Average$895FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$882Average$1,247FlexibilityNo cancel feeOn-time71%

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