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Cheap flights from Orange County to London from £352

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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
SNA — LON
18 May — 25 May1
1 adult
1 adult, Economy, 0 bags

Cheap 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 18 April 2026.

Tue 2/616:33
SNA
-
LGW
2 stops34h 22m
Multiple Airlines
Tue 9/614:00
LGW
-
SNA
1 stop30h 25m
Multiple Airlines
Deal found 18/4£635
Tue 6/1013:15
SNA
-
LHR
2 stops33h 15m
Air Canada
Thu 15/1006:00
LHR
-
SNA
2 stops38h 18m
Air Canada
Deal found 14/4£653
Tue 1/913:15
SNA
-
LHR
2 stops33h 15m
Air Canada
Wed 16/908:40
LHR
-
SNA
2 stops35h 38m
Air Canada
Deal found 17/4£655
Sun 11/1014:29
SNA
-
LHR
1 stop15h 56m
Iberia
Tue 20/1006:15
LHR
-
SNA
2 stops21h 24m
Iberia
Deal found 14/4£658
Wed 7/1006:50
SNA
-
LHR
2 stops15h 40m
Multiple Airlines
Wed 21/1008:40
LHR
-
SNA
2 stops35h 38m
Multiple Airlines
Deal found 17/4£658
Tue 1/913:45
SNA
-
LHR
1 stop14h 25m
Iberia
Wed 16/906:15
LHR
-
SNA
2 stops23h 36m
Iberia
Deal found 17/4£659
Wed 7/1010:15
SNA
-
LHR
1 stop15h 45m
Delta
Wed 21/1006:30
LHR
-
SNA
2 stops19h 29m
Delta
Deal found 13/4£661
Tue 28/411:54
SNA
-
LHR
1 stop17h 21m
Delta
Wed 6/508:40
LHR
-
SNA
2 stops20h 17m
Delta
Deal found 14/4£661
Wed 18/1107:10
LGB
-
LHR
1 stop18h 50m
Delta
Wed 25/1111:45
LHR
-
LGB
2 stops36h 35m
Delta
Deal found 16/4£662
Wed 7/1014:29
SNA
-
LHR
1 stop14h 21m
Iberia
Wed 21/1006:30
LHR
-
SNA
2 stops23h 21m
Iberia
Deal found 16/4£662
Mon 3/810:20
SNA
-
LHR
2 stops20h 20m
Lufthansa
Fri 21/806:55
LHR
-
SNA
2 stops21h 45m
Lufthansa
Deal found 13/4£664
Tue 28/413:35
SNA
-
LHR
2 stops15h 40m
Virgin Atlantic
Wed 6/506:30
LHR
-
SNA
2 stops22h 27m
Virgin Atlantic
Deal found 14/4£664

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 18 April 2026.

Round-trip from

£635

One-way from

£352

Popular in

December

Cheapest in

September

Average price

£553
2/6-9/6
  • 2/6-9/6
  • 3 total stops
  • 64h 47m total
  • Orange County to London
Search Deals
9/5
  • 9/5
  • 3 total stops
  • 48h 20m total
  • Orange County to London
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£61 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£16 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

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 18 April 2026.
Use the filters below to find and compare flights from Orange County to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Mon 3/8

14:09-15:35

1 stop17h 26m

London Heathrow

Fri 21/8

06:30-20:33

2 stops22h 03m

£661

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 6/5

06:45-07:10

2 stops16h 25m

London Heathrow

Wed 13/5

06:30-17:48

2 stops19h 18m

£664

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Sat 25/7

18:20-07:25

1 stop29h 05m

London Heathrow

Fri 21/8

07:25-18:53

2 stops19h 28m

£666

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Mon 14/9

12:59-10:00

1 stop13h 01m

London Heathrow

Tue 29/9

10:55-21:45

1 stop18h 50m

£683

Santa AnaLondon

SNA - LCY

SNALCY

Santa Ana J. Wayne/Orange Cnty

Mon 21/9

15:02-17:30

2 stops18h 28m

London City

Mon 28/9

19:15-20:19

2 stops33h 04m

£683

Santa AnaLondon

SNA - LCY

SNALCY

Santa Ana J. Wayne/Orange Cnty

Tue 22/9

15:02-17:25

2 stops18h 23m

London City

Tue 29/9

09:15-20:19

2 stops19h 04m

£683

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Tue 22/9

17:05-17:35

2 stops16h 30m

London Heathrow

Fri 2/10

18:15-12:11

2 stops25h 56m

£686

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Tue 15/9

17:05-17:35

2 stops16h 30m

London Heathrow

Tue 29/9

10:55-21:45

1 stop18h 50m

£686

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Sun 20/9

07:10-10:15

2 stops19h 05m

London Heathrow

Thu 1/10

18:35-12:11

2 stops25h 36m

£686

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Thu 17/9

07:15-15:35

1 stop24h 20m

London Heathrow

Thu 1/10

11:40-18:05

1 stop14h 25m

£720

Flights are sorted by cheapest return flights first.

Deals found on 13/4

Showing 1-10 of 60 resultsSorted by cheapest first
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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 £388). Flying from Orange County to London in May is currently the most expensive (average of £538). 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 13h 33m. Fly via Delta, British Airways, or United Airlines 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?

    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 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 £388). Flying from Orange County to London in May is currently the most expensive (average of £538). 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
Milton Keynes
Wembley
Croydon
Hounslow
Luton
Gatwick
Slough
Ilford
Hayes
Brentford
Colchester
Watford
Kingston upon Thames
Romford
Eastbourne
Chelmsford
Ipswich
Southend-on-Sea
Guildford
Bishop's Stortford

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How does Cheapflights help users find flights from Orange County to London?

Cheapflights helps you search for flights from Orange County to London via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Orange County to London?

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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