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Cheap flights from Orange County to London from £364

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 28/10. Fares are subject to change and may not be available on all flights or dates of travel.
SNA — LON
1 Jun — 8 Jun1
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 2 May 2026.

Wed 11/1109:30
SNA
-
LHR
1 stop14h 45m
Iberia
Wed 18/1107:35
LHR
-
SNA
2 stops23h 15m
Iberia
Deal found 30/4£656
Wed 7/1014:29
SNA
-
LHR
1 stop15h 56m
Iberia
Wed 21/1006:30
LHR
-
SNA
2 stops23h 21m
Iberia
Deal found 30/4£659
Mon 14/907:10
LGB
-
LHR
1 stop18h 50m
Delta
Wed 23/906:30
LHR
-
LGB
2 stops23h 15m
Delta
Deal found 28/4£660
Sat 18/721:00
SNA
-
LHR
1 stop15h 10m
Delta
Fri 21/806:30
LHR
-
SNA
2 stops19h 35m
Delta
Deal found 1/5£660
Sun 1/1112:25
SNA
-
LHR
1 stop15h 25m
Air Canada
Tue 10/1114:30
LHR
-
SNA
2 stops31h 19m
Air Canada
Deal found 2/5£661
Mon 20/710:20
SNA
-
LHR
2 stops23h 20m
Lufthansa
Fri 21/806:55
LHR
-
SNA
2 stops18h 36m
Lufthansa
Deal found 1/5£662
Wed 7/1006:45
SNA
-
LHR
2 stops19h 35m
Delta
Wed 21/1008:40
LHR
-
SNA
2 stops21h 44m
Delta
Deal found 30/4£663
Wed 19/807:10
LGB
-
LHR
2 stops21h 00m
Delta
Mon 7/911:45
LHR
-
LGB
2 stops36h 36m
Delta
Deal found 28/4£663
Sun 13/917:05
LGB
-
LHR
1 stop32h 55m
Delta
Wed 23/906:30
LHR
-
LGB
2 stops17h 51m
Delta
Deal found 28/4£664
Tue 3/1109:45
SNA
-
LHR
2 stops18h 05m
Air Canada
Tue 10/1114:30
LHR
-
SNA
2 stops31h 19m
Air Canada
Deal found 2/5£664
Tue 3/1112:59
LGB
-
LHR
1 stop13h 01m
Delta
Thu 12/1106:20
LHR
-
LGB
2 stops18h 00m
Delta
Deal found 2/5£665
Sat 31/1021:04
SNA
-
LHR
1 stop29h 06m
United Airlines
Wed 11/1114:30
LHR
-
SNA
1 stop28h 56m
United Airlines
Deal found 2/5£665

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 2 May 2026.

Round-trip from

£659

One-way from

£364

Popular in

December

Cheapest in

September

Average price

£546
Iberia
  • Iberia
  • 7/10-21/10
  • 3 total stops
  • 37h 42m total
  • Orange County to London
Search Deals
28/10
  • 28/10
  • 3 total stops
  • 22h 20m total
  • Orange County to London
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£58 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 May 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 2 May 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

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Sun 23/8

07:10-15:35

2 stops24h 25m

London Heathrow

Tue 8/9

06:30-16:21

2 stops17h 51m

£663

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Sat 8/8

16:56-07:10

2 stops30h 14m

London Heathrow

Tue 18/8

17:35-16:21

2 stops30h 46m

£678

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Tue 6/10

17:01-15:05

1 stop14h 04m

London Heathrow

Wed 14/10

12:55-21:51

1 stop16h 56m

£681

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Mon 14/9

12:59-10:00

1 stop13h 01m

London Heathrow

Wed 23/9

10:55-21:45

1 stop18h 50m

£681

Santa AnaLondon

SNA - LGW

SNALGW

Santa Ana J. Wayne/Orange Cnty

Sat 3/10

07:15-09:20

2 stops18h 05m

London Gatwick

Tue 13/10

10:35-22:24

2 stops19h 49m

£705

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Sat 12/9

08:40-07:45

2 stops39h 05m

London Heathrow

Sun 4/10

15:05-12:18

1 stop29h 13m

£705

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 19/8

12:04-11:35

1 stop15h 31m

London Heathrow

Mon 7/9

13:40-21:53

1 stop16h 13m

£718
Fastest return journey

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Thu 20/8

13:20-09:40

1 stop12h 20m

London Heathrow

Wed 9/9

14:50-20:40

1 stop13h 50m

£718

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Tue 21/7

16:00-12:25

1 stop12h 25m

London Heathrow

Mon 24/8

14:50-20:40

1 stop13h 50m

£718

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Thu 8/10

12:59-14:55

2 stops17h 56m

London Heathrow

Fri 30/10

11:20-21:46

2 stops17h 26m

£721

Flights are sorted by cheapest return flights first.

Deals found on 29/4

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 £387). Flying from Orange County to London in May is currently the most expensive (average of £536). 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 15h 25m. Fly via Delta, United Airlines, or Lufthansa 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 Long Beach Municipal - London Heathrow 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 £387). Flying from Orange County to London in May is currently the most expensive (average of £536). 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
Ilford
Slough
Hayes
Brentford
Colchester
Romford
Watford
Kingston upon Thames
Eastbourne
Ipswich
Southend-on-Sea
Guildford
Bishop's Stortford
Chelmsford

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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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