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Cheap flights from Orange County to London from £259

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 15/8. Fares are subject to change and may not be available on all flights or dates of travel.
SNA — LON
2 Apr — 9 Apr1
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 3 March 2026.

Mon 13/409:54
SNA
-
LHR
1 stop16h 06m
KLM
Mon 20/420:55
LHR
-
SNA
2 stops28h 58m
KLM
Deal found 27/2£502
Mon 16/307:30
SNA
-
LHR
1 stop20h 00m
Delta
Tue 31/311:30
LHR
-
SNA
2 stops18h 59m
Delta
Deal found 27/2£515
Mon 23/313:05
LGB
-
LHR
2 stops41h 40m
Virgin Atlantic
Tue 7/419:45
LHR
-
LGB
2 stops33h 47m
Virgin Atlantic
Deal found 3/3£518
Tue 14/412:25
SNA
-
LHR
1 stop16h 55m
United Airlines
Tue 21/407:25
LHR
-
SNA
2 stops19h 06m
United Airlines
Deal found 28/2£519
Mon 16/313:05
LGB
-
LHR
2 stops20h 45m
Virgin Atlantic
Wed 1/412:25
LHR
-
LGB
2 stops17h 07m
Virgin Atlantic
Deal found 1/3£520
Tue 14/414:42
SNA
-
LHR
1 stop15h 43m
Iberia
Tue 21/406:10
LHR
-
SNA
2 stops22h 40m
Iberia
Deal found 1/3£521
Tue 14/412:55
LGB
-
LHR
1 stop14h 05m
KLM
Tue 21/406:30
LHR
-
LGB
2 stops23h 12m
KLM
Deal found 28/2£522
Wed 8/411:05
SNA
-
LHR
1 stop17h 05m
Delta
Wed 22/409:55
LHR
-
SNA
2 stops20h 33m
Delta
Deal found 27/2£522
Tue 7/419:15
SNA
-
LHR
2 stops16h 55m
Delta
Thu 23/411:45
LHR
-
SNA
2 stops18h 43m
Delta
Deal found 26/2£525
Mon 30/313:05
LGB
-
LHR
1 stop12h 55m
Delta
Wed 8/406:15
LHR
-
LGB
2 stops18h 04m
Delta
Deal found 1/3£527
Mon 13/412:25
SNA
-
LHR
1 stop16h 55m
Air Canada
Mon 20/415:05
LHR
-
SNA
1 stop28h 10m
Air Canada
Deal found 27/2£528
Tue 31/312:25
SNA
-
LHR
1 stop16h 55m
Air Canada
Tue 7/412:05
LHR
-
SNA
2 stops32h 13m
Air Canada
Deal found 1/3£528

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 3 March 2026.

Round-trip from

£502

One-way from

£259

Popular in

December

Cheapest in

September

Average price

£511
KLM
  • KLM
  • 13/4-20/4
  • 3 total stops
  • 45h 04m total
  • Orange County to London
Search Deals
15/8
  • 15/8
  • 2 total stops
  • 43h 25m total
  • Orange County to London
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£63 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 March 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 3 March 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

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Tue 14/4

12:55-11:00

1 stop14h 05m

London Heathrow

Tue 21/4

06:30-21:42

2 stops23h 12m

£522

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Tue 7/4

19:15-20:10

2 stops16h 55m

London Heathrow

Thu 23/4

11:45-22:28

2 stops18h 43m

£525

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 8/4

12:54-13:05

2 stops16h 11m

London Heathrow

Wed 22/4

09:55-22:28

2 stops20h 33m

£525

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Mon 16/3

13:05-16:50

2 stops20h 45m

London Heathrow

Wed 1/4

10:55-16:19

1 stop13h 24m

£535

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Wed 1/4

07:00-10:15

2 stops19h 15m

London Heathrow

Thu 30/4

18:15-16:13

2 stops53h 58m

£538

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 29/4

12:25-13:20

1 stop16h 55m

London Heathrow

Fri 8/5

11:25-17:28

1 stop14h 03m

£540

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Tue 28/4

12:25-13:20

1 stop16h 55m

London Heathrow

Wed 6/5

13:40-21:31

1 stop15h 51m

£540

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Wed 1/4

13:05-15:35

2 stops18h 30m

London Heathrow

Wed 8/4

10:55-16:19

1 stop13h 24m

£541

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Wed 29/4

07:00-10:15

2 stops19h 15m

London Heathrow

Wed 6/5

10:55-21:42

1 stop18h 47m

£546

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Tue 28/4

16:45-17:35

2 stops16h 50m

London Heathrow

Wed 6/5

10:55-21:42

1 stop18h 47m

£546

Flights are sorted by cheapest return flights first.

Deals found on 28/2

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 £435). Flying from Orange County to London in June is currently the most expensive (average of £686). 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 14h 05m. Fly via KLM, Delta, or British Airways to get the fastest option. Orange County and London are separated by a distance of 5438 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 £435). Flying from Orange County to London in June is currently the most expensive (average of £686). 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
Croydon
Wembley
Luton
Gatwick
Slough
Hounslow
Ilford
Hayes
Brentford
Colchester
Guildford
Watford
Kingston upon Thames
Eastbourne
Chelmsford
Ipswich
Bedford
Romford
Southend-on-Sea

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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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