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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 3/23. Fares are subject to change and may not be available on all flights or dates of travel.
SNA — LON
Mar 14 — Mar 211
Sat 3/14
Sat 3/21
1 adult, Economy
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Cheap 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 February 12, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 2/9. 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 4/216:39 pm
SNA
-
LHR
2 stops17h 01m
Lufthansa
Tue 5/56:55 am
LHR
-
SNA
2 stops18h 38m
Lufthansa
Deal found 2/9$625
This Cheapflightsfares deal was found by Cheapflights users on 2/10. 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 3/101:27 pm
SNA
-
LHR
2 stops21h 18m
Lufthansa
Tue 3/179:30 am
LHR
-
SNA
2 stops18h 33m
Lufthansa
Deal found 2/10$631
This United Airlines deal was found by Cheapflights users on 2/10. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/106:45 am
SNA
-
LHR
1 stop16h 10m
United Airlines
Tue 3/176:35 am
LHR
-
SNA
2 stops21h 15m
United Airlines
Deal found 2/10$632
This lastminute.com deal was found by Cheapflights users on 2/9. 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.
Mon 3/91:05 pm
LGB
-
LHR
2 stops15h 50m
Virgin Atlantic
Mon 3/235:20 pm
LHR
-
LGB
2 stops35h 12m
Virgin Atlantic
Deal found 2/9$635
This Air Canada deal was found by Cheapflights users on 2/10. 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.
Tue 4/2112:25 pm
SNA
-
LHR
1 stop16h 55m
Air Canada
Tue 5/58:45 am
LHR
-
SNA
2 stops35h 35m
Air Canada
Deal found 2/10$635
This Delta deal was found by Cheapflights users on 2/11. 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 3/117:05 am
SNA
-
LHR
1 stop19h 55m
Delta
Wed 3/186:20 am
LHR
-
SNA
2 stops20h 22m
Delta
Deal found 2/11$640
This Cheapflightsfares deal was found by Cheapflights users on 2/10. 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 4/811:10 am
SNA
-
LHR
2 stops22h 30m
Lufthansa
Wed 4/226:30 am
LHR
-
SNA
2 stops22h 25m
Lufthansa
Deal found 2/10$646
This Air Canada deal was found by Cheapflights users on 2/8. 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.
Sun 5/31:15 pm
SNA
-
LHR
1 stop16h 05m
Air Canada
Tue 5/122:05 pm
LHR
-
SNA
2 stops35h 23m
Air Canada
Deal found 2/8$652
This Delta deal was found by Cheapflights users on 2/9. 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 4/87:05 am
SNA
-
LHR
1 stop18h 55m
Delta
Wed 4/2211:30 am
LHR
-
SNA
2 stops19h 13m
Delta
Deal found 2/9$655
This Iberia deal was found by Cheapflights users on 2/9. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/210:55 am
SNA
-
LHR
1 stop16h 45m
Iberia
Mon 3/97:40 pm
LHR
-
SNA
2 stops21h 25m
Iberia
Deal found 2/9$656
This KAYAK deal was found by Cheapflights users on 2/9. 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.
Wed 4/82:38 pm
SNA
-
LGW
2 stops19h 12m
SWISS
Wed 4/229:15 am
LGW
-
SNA
2 stops19h 40m
SWISS
Deal found 2/9$657
This Cheapflightsfares deal was found by Cheapflights users on 2/9. 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 4/81:21 pm
SNA
-
LCY
2 stops20h 34m
Lufthansa
Wed 4/229:15 am
LCY
-
SNA
2 stops19h 32m
Lufthansa
Deal found 2/9$669

Find 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 February 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$625
(Cheapflightsfares)

One-way from

$395
(Air Canada)

Popular in

December

Cheapest in

September

Average price

$645
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 Orange County to London (LON)
Search Deals
One-way flight from Orange County to London (LON)
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($115 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 February 12, 2026.
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

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 3/11

7:05 am-10:00 am

1 stop19h 55m

London Heathrow

Wed 3/18

6:20 am-7:42 pm

2 stops20h 22m

$640

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Tue 4/14

3:29 pm-7:40 am

1 stop32h 11m

London Heathrow

Tue 4/21

3:05 pm-11:12 am

1 stop28h 07m

$655

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 4/8

1:35 pm-10:00 am

1 stop12h 25m

London Heathrow

Wed 4/22

11:30 am-10:43 pm

2 stops19h 13m

$655

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Tue 4/14

12:15 pm-7:40 am

1 stop35h 25m

London Heathrow

Wed 4/22

3:05 pm-11:12 am

1 stop28h 07m

$655

Santa AnaLondon

SNA - LGW

SNALGW

Santa Ana J. Wayne/Orange Cnty

Wed 4/8

2:38 pm-5:50 pm

2 stops19h 12m

London Gatwick

Wed 4/22

9:15 am-8:55 pm

2 stops19h 40m

$658

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Tue 3/10

8:00 am-7:05 am

1 stop16h 05m

London Heathrow

Tue 3/17

10:45 am-6:10 pm

1 stop14h 25m

$661

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 4/8

11:10 am-12:20 pm

1 stop17h 10m

London Heathrow

Wed 4/22

3:05 pm-11:12 am

1 stop28h 07m

$668

Santa AnaLondon

SNA - LCY

SNALCY

Santa Ana J. Wayne/Orange Cnty

Wed 4/8

1:21 pm-5:55 pm

2 stops20h 34m

London City

Wed 4/22

9:15 am-8:47 pm

2 stops19h 32m

$669

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 5/6

1:15 pm-1:20 pm

1 stop16h 05m

London Heathrow

Tue 5/12

11:25 am-5:33 pm

1 stop14h 08m

$672

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Sun 5/3

1:15 pm-1:20 pm

1 stop16h 05m

London Heathrow

Tue 5/12

11:25 am-5:33 pm

1 stop14h 08m

$672

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/10

Showing 1-10 of 60 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, August is the cheapest month in which you can book a flight from Orange County to London (average of $580). Flying from Orange County to London in June is currently the most expensive (average of $910). 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.

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 February 12, 2026.
Read through reviews of airlines operating flights from Orange County to London, such as Delta, United Airlines, and American Airlines. 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.
Delta
7.9
Good
8,181 reviews

Crew

8.5

Food

7.2

Entertainment

7.8

Comfort

7.9

Boarding

8.1

Overall

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.
Delta
7.9
Good
8,181 reviews
Delta
7.9
Good
8,181 reviews

Crew

8.5

Food

7.2

Entertainment

7.8

Comfort

7.9

Boarding

8.1

Overall

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.
United Airlines
7.4
Good
9,279 reviews
Delta
7.9
Good
8,181 reviews

Crew

8.5

Food

7.2

Entertainment

7.8

Comfort

7.9

Boarding

8.1

Overall

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.
American Airlines
7.2
Good
11,271 reviews
Delta
7.9
Good
8,181 reviews

Crew

8.5

Food

7.2

Entertainment

7.8

Comfort

7.9

Boarding

8.1

Overall

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.
British Airways
6.7
Okay
7,731 reviews
Delta
7.9
Good
8,181 reviews

Crew

8.5

Food

7.2

Entertainment

7.8

Comfort

7.9

Boarding

8.1

Overall

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?

    Delta, United Airlines, and SWISS can get you from Orange County to London in just under 19h 12m. Your travel time can differ by up to 12h 59m. There are 5460 mi between Orange County and London. This flight may include one or multiple stops.

  • 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, Santa Ana J. Wayne/Orange Cnty - London Gatwick or Santa Ana J. Wayne/Orange Cnty - London City 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, August is the cheapest month in which you can book a flight from Orange County to London (average of $580). Flying from Orange County to London in June is currently the most expensive (average of $910). 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
Croydon
Hounslow
Southend-on-Sea
Harrow
Eastleigh
Gatwick
Dartford
Dover
Winchester
Orpington
Watford
Hayes
Borehamwood
Aylesbury
Chipping Norton
Horley
Kingston upon Thames
Eastbourne
Sutton

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.
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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 February 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest$580Average$772FlexibilityNo cancel feeOn-time72%
British AirwaysCheapest$588Average$928FlexibilityNo cancel feeOn-time70%
DeltaCheapest$608Average$781FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$677Average$935FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$885Average$1,232FlexibilityNo cancel feeOn-time71%

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