London

$303+ 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 2/12. Fares are subject to change and may not be available on all flights or dates of travel.
SNA — LON
Aug 27 — Sep 31
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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 August 22, 2025.

Round-trip from

$516
(lastminute.com)

One-way from

$303
(SmartFares)

Popular in

December

Cheapest in

August

Average price

$615
From Orange County to London (LON)
One-way flight from Orange County to London (LON)
Highest demand for flights based on searches. 11% potential increase in price ($93 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($25 potential savings vs. average RT price).
Average for round-trip flights in August 2025

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 August 22, 2025.

This lastminute.com deal was found by Cheapflights users on 8/20. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/227:00 amLGB - LHR
2 stops19h 00mVirgin Atlantic
Mon 10/277:20 pmLHR - LGB
2 stops33h 13mVirgin Atlantic
Deal found 8/20$516
This Delta deal was found by Cheapflights users on 8/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/211:44 pmSNA - LHR
1 stop12h 06mDelta
Thu 10/306:20 amLHR - SNA
2 stops23h 08mDelta
Deal found 8/19$524
This Delta deal was found by Cheapflights users on 8/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/197:00 amSNA - LHR
1 stop19h 00mDelta
Wed 11/266:30 amLHR - SNA
2 stops22h 09mDelta
Deal found 8/20$525
This Bravofly deal was found by Cheapflights users on 8/21. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/37:01 amLGB - LHR
2 stops23h 14mVirgin Atlantic
Fri 10/176:00 pmLHR - LGB
2 stops35h 33mVirgin Atlantic
Deal found 8/21$526
This Delta deal was found by Cheapflights users on 8/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/237:20 pmSNA - LHR
2 stops16h 40mDelta
Tue 9/306:15 amLHR - SNA
2 stops19h 46mDelta
Deal found 8/20$529
This KLM deal was found by Cheapflights users on 8/20. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2111:48 amSNA - LHR
1 stop13h 07mKLM
Thu 10/308:55 amLHR - SNA
1 stop17h 09mKLM
Deal found 8/20$532
This lastminute.com deal was found by Cheapflights users on 8/21. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1112:59 pmLGB - LHR
2 stops34h 06mVirgin Atlantic
Sun 11/1612:20 pmLHR - LGB
2 stops17h 26mVirgin Atlantic
Deal found 8/21$558
This Delta deal was found by Cheapflights users on 8/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1512:13 pmSNA - LHR
1 stop17h 17mDelta
Tue 9/236:15 amLHR - SNA
2 stops22h 12mDelta
Deal found 8/21$562
This Delta deal was found by Cheapflights users on 8/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/197:00 amSNA - LHR
1 stop19h 00mDelta
Fri 11/286:30 amLHR - SNA
2 stops22h 09mDelta
Deal found 8/20$564
This Delta deal was found by Cheapflights users on 8/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/167:20 pmSNA - LHR
2 stops16h 40mDelta
Tue 9/236:15 amLHR - SNA
2 stops17h 52mDelta
Deal found 8/19$568
This KLM deal was found by Cheapflights users on 8/21. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/151:52 pmSNA - LHR
1 stop15h 38mKLM
Tue 9/2312:25 pmLHR - SNA
1 stop16h 02mKLM
Deal found 8/21$570
This Mytrip deal was found by Cheapflights users on 8/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/42:15 pmSNA - LGW
3 stops35h 55mMultiple Airlines
Sat 10/1110:45 amLGW - SNA
3 stops33h 16mMultiple Airlines
Deal found 8/20$921

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 August 22, 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

Wed 10/22

7:00 am-10:00 am

2 stops19h 00m

London Heathrow

Mon 10/27

7:20 pm-9:33 pm

2 stops33h 13m

$516

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Tue 10/21

1:44 pm-9:50 am

1 stop12h 06m

London Heathrow

Thu 10/30

6:20 am-10:28 pm

2 stops23h 08m

$524

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Tue 9/23

11:30 am-8:55 am

1 stop13h 25m

London Heathrow

Tue 9/30

6:15 am-6:01 pm

2 stops19h 46m

$524

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Tue 12/2

8:00 am-7:05 am

1 stop15h 05m

London Heathrow

Tue 12/16

6:20 am-10:19 pm

2 stops23h 59m

$524

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 11/19

6:45 am-9:00 am

1 stop18h 15m

London Heathrow

Thu 11/27

6:30 am-8:39 pm

2 stops22h 09m

$525

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 11/19

7:00 am-10:00 am

1 stop19h 00m

London Heathrow

Wed 11/26

6:30 am-8:39 pm

2 stops22h 09m

$525

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 11/19

10:15 am-10:00 am

1 stop15h 45m

London Heathrow

Tue 11/25

6:30 am-8:39 pm

2 stops22h 09m

$525

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Fri 10/3

7:01 am-2:15 pm

2 stops23h 14m

London Heathrow

Fri 10/17

6:00 pm-9:33 pm

2 stops35h 33m

$526

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Tue 11/11

12:59 pm-7:05 am

2 stops34h 06m

London Heathrow

Sun 11/16

12:20 pm-9:46 pm

2 stops17h 26m

$558

Santa AnaLondon

SNA - LGW

SNALGW

Santa Ana J. Wayne/Orange Cnty

Sat 10/4

2:15 pm-10:10 am

3 stops35h 55m

London Gatwick

Sat 10/11

10:45 am-12:01 pm

3 stops33h 16m

$921

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/21

Showing 1-10 of 58 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 $1,097). 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 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 August 22, 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.

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 August 22, 2025.
Read through reviews of airlines operating flights from Orange County to London, such as Delta, United Airlines, and Virgin Atlantic. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

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.
8.0
Very good
8.0
Very good

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

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.
8.0
Very good

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

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.
8.0
Very good

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

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.
8.0
Very good

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

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.
  • How long is the flight from Orange County to London?

    Virgin Atlantic, Delta, and Iberia can get you from Orange County to London in just under 12h 06m. Your travel time can differ by up to 12h 26m. There are 5437 mi between Orange County and London. This flight may include one or multiple stops.

  • 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 WestJet ($303), Virgin Atlantic ($385), and Lufthansa ($472).

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

  • 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 $1,097). 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

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Hayes
Thornton Heath
Southend-on-Sea
Harrow
Canterbury
Croydon
Dartford
Dover
Orpington
Gatwick
Borehamwood
Aylesbury
Chelmsford
Bedford
Folkestone
Chichester
Arundel
Eastbourne
Milton Keynes

Browse thousands of different options on Cheapflights for your next trip

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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.

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 August 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest$580Average$831FlexibilityNo cancel feeOn-time72%
British AirwaysCheapest$620Average$839FlexibilityNo cancel feeOn-time70%
DeltaCheapest$638Average$781FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$677Average$849FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$1,205Average$1,825FlexibilityNo cancel feeOn-time71%

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