Cheap flights from Orange County to London from £176

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 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
SNA — LON
15 Feb — 22 Feb1
1 adult
1 adult, Economy, 0 bags

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 16 January 2026.

Round-trip from

£431

One-way from

£176

Popular in

December

Cheapest in

September

Average price

£550
Iberia
  • Iberia
  • 3/3-17/3
  • 3 total stops
  • 48h 02m total
  • Orange County to London
WestJet
  • WestJet
  • 3/2
  • 1 total stop
  • 14h 35m total
  • Orange County to London
Highest demand for flights based on searches. 13% potential increase in price (£62 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (£16 potential savings vs. average return price).
Average for round-trip flights in January 2026

Find flight deals from Orange County to London

Enter your travel dates to find the best prices.

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 16 January 2026.

Tue 3/310:55
SNA
-
LHR
1 stop15h 05m
Iberia
Tue 17/320:50
LHR
-
SNA
2 stops32h 57m
Iberia
Deal found 15/1£431
Mon 2/314:48
SNA
-
LHR
1 stop13h 27m
British Airways
Mon 9/319:15
LHR
-
SNA
2 stops32h 08m
British Airways
Deal found 15/1£436
Wed 11/208:05
SNA
-
LHR
1 stop16h 10m
British Airways
Wed 18/219:05
LHR
-
SNA
2 stops21h 28m
British Airways
Deal found 15/1£437
Mon 26/107:00
LGB
-
LHR
2 stops19h 30m
Virgin Atlantic
Tue 10/212:20
LHR
-
LGB
2 stops17h 25m
Virgin Atlantic
Deal found 15/1£438
Tue 21/413:23
SNA
-
LHR
1 stop17h 02m
Iberia
Tue 5/506:10
LHR
-
SNA
2 stops22h 02m
Iberia
Deal found 14/1£443
Mon 26/113:35
SNA
-
LHR
1 stop12h 25m
Virgin Atlantic
Tue 10/210:45
LHR
-
SNA
1 stop19h 31m
Virgin Atlantic
Deal found 14/1£447
Tue 21/407:45
SNA
-
LHR
1 stop19h 30m
British Airways
Tue 5/506:10
LHR
-
SNA
2 stops22h 02m
British Airways
Deal found 15/1£447
Mon 26/107:00
SNA
-
LHR
1 stop19h 00m
Multiple Airlines
Tue 10/206:20
LHR
-
SNA
2 stops18h 14m
Multiple Airlines
Deal found 14/1£448
Sun 25/115:15
SNA
-
LHR
1 stop31h 35m
British Airways
Tue 10/214:45
LHR
-
SNA
1 stop16h 11m
British Airways
Deal found 14/1£449
Tue 10/206:45
SNA
-
LHR
1 stop17h 05m
KLM
Fri 20/206:30
LHR
-
SNA
2 stops17h 44m
KLM
Deal found 13/1£450
Sun 15/216:32
SNA
-
LHR
1 stop12h 43m
British Airways
Thu 26/212:35
LHR
-
SNA
1 stop15h 26m
British Airways
Deal found 13/1£450
Wed 11/213:54
SNA
-
LHR
1 stop12h 31m
British Airways
Wed 25/208:20
LHR
-
SNA
1 stop15h 34m
British Airways
Deal found 14/1£451

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 16 January 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

Mon 26/1

07:00-10:00

1 stop19h 00m

London Heathrow

Tue 10/2

06:20-16:34

2 stops18h 14m

£448

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Tue 10/2

06:45-07:50

1 stop17h 05m

London Heathrow

Fri 20/2

06:30-16:14

2 stops17h 44m

£450

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Sun 15/2

16:32-13:15

1 stop12h 43m

London Heathrow

Thu 26/2

12:35-20:01

1 stop15h 26m

£451

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Mon 26/1

08:00-08:45

2 stops16h 45m

London Heathrow

Tue 10/2

06:20-16:34

2 stops18h 14m

£452

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Tue 10/2

09:51-08:45

2 stops14h 54m

London Heathrow

Fri 20/2

06:30-20:22

2 stops21h 52m

£453

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Mon 26/1

07:00-10:00

1 stop19h 00m

London Heathrow

Tue 10/2

10:45-21:45

1 stop19h 00m

£454

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Mon 23/3

15:24-11:35

1 stop13h 11m

London Heathrow

Thu 2/4

10:05-15:42

1 stop13h 37m

£462

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Sun 19/4

13:30-11:15

1 stop13h 45m

London Heathrow

Thu 30/4

10:05-15:30

1 stop13h 25m

£462

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 25/3

10:55-06:50

1 stop12h 55m

London Heathrow

Thu 2/4

10:05-15:42

1 stop13h 37m

£462

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Tue 28/4

11:00-08:05

1 stop13h 05m

London Heathrow

Fri 15/5

14:45-22:07

1 stop15h 22m

£462

Flights are sorted by cheapest return flights first.

Deals found on 15/1

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 return 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 £433). Flying from Orange County to London in June is currently the most expensive (average of £666). 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.

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?

    There are many flights that can get you from Orange County to London in 12h 43m. Fly via KLM, British Airways, or Delta to get the fastest option. Orange County and London are separated by a distance of 5437 mi. Both multi-stop and direct flights can be found to your destination and back.

  • 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 holiday 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 £433). Flying from Orange County to London in June is currently the most expensive (average of £666). 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

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
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Gatwick
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Wembley
Ilford
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Folkestone
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By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to London from Orange County.

Can Cheapflights find flights from Orange County to London with no change fees?

Certainly. Search results for flights to London from Orange County shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Orange County to London become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to London from Orange County today and book when prices fit your budget.

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