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Cheap flights from Orange County to London from £182

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 1/2. Fares are subject to change and may not be available on all flights or dates of travel.
SNA — LON
29 Jan — 5 Feb1
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 30 December 2025.

Wed 31/1211:45SNA - LHR
1 stop13h 00mDelta
Fri 9/106:30LHR - SNA
2 stops23h 48mDelta
Deal found 29/12£683
Mon 29/1210:55SNA - LHR
1 stop14h 45mLufthansa
Thu 8/112:05LHR - SNA
1 stop17h 37mLufthansa
Deal found 29/12£699
Wed 31/1212:25SNA - LHR
1 stop15h 25mUnited Airlines
Fri 9/110:25LHR - SNA
1 stop19h 59mUnited Airlines
Deal found 29/12£700
Mon 29/1219:15SNA - LHR
2 stops16h 55mDelta
Thu 8/108:55LHR - SNA
2 stops19h 37mDelta
Deal found 29/12£749
Tue 30/1207:00LGB - LHR
2 stops16h 05mVirgin Atlantic
Tue 6/116:10LHR - LGB
2 stops61h 35mVirgin Atlantic
Deal found 29/12£891
Wed 31/1210:55SNA - LCY
2 stops22h 45mLufthansa
Fri 9/109:55LCY - SNA
2 stops18h 47mLufthansa
Deal found 30/12£900
Mon 29/1210:55SNA - LCY
2 stops22h 45mLufthansa
Thu 8/109:40LCY - SNA
2 stops19h 38mLufthansa
Deal found 29/12£971
Sun 28/1218:23SNA - LHR
2 stops29h 07mUnited Airlines
Fri 2/107:25LHR - SNA
1 stop23h 05mUnited Airlines
Deal found 28/12£990
Tue 30/1216:25SNA - LHR
1 stop12h 50mBritish Airways
Sat 10/110:05LHR - SNA
1 stop15h 56mBritish Airways
Deal found 29/12£996
Tue 30/1216:25SNA - LHR
1 stop12h 50mBritish Airways
Thu 8/108:20LHR - SNA
1 stop15h 50mBritish Airways
Deal found 29/12£1,102
Tue 30/1207:00LGB - LHR
2 stops16h 05mVirgin Atlantic
Tue 13/120:00LHR - LGB
2 stops33h 45mVirgin Atlantic
Deal found 29/12£1,242
Tue 30/1207:00LGB - LHR
1 stop19h 00mDelta
Sun 4/111:45LHR - LGB
2 stops42h 00mDelta
Deal found 29/12£1,275

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 30 December 2025.

Round-trip from

£448

One-way from

£182

Popular in

December

Cheapest in

September

Average price

£797
Lufthansa
  • Lufthansa
  • 12/2-19/2
  • 2 total stops
  • 31h 44m total
  • Orange County to London
Search Deals
WestJet
  • WestJet
  • 1/2
  • 1 total stop
  • 14h 35m 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 (£19 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
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 30 December 2025.
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

Thu 29/1

15:34-07:30

1 stop31h 56m

London Heathrow

Tue 3/2

14:30-11:25

1 stop28h 55m

£471

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Fri 27/2

09:51-10:30

2 stops16h 39m

London Heathrow

Tue 3/3

06:20-22:18

2 stops23h 58m

£476

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Thu 19/3

12:25-11:50

1 stop16h 25m

London Heathrow

Tue 24/3

14:30-11:25

1 stop27h 55m

£477

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Sat 14/2

13:20-09:40

1 stop12h 20m

London Heathrow

Sat 21/2

14:30-11:25

1 stop28h 55m

£480

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 4/2

12:25-07:10

2 stops34h 45m

London Heathrow

Wed 11/2

13:25-11:25

2 stops30h 00m

£482

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Thu 26/2

12:25-06:30

2 stops34h 05m

London Heathrow

Thu 5/3

13:25-11:25

2 stops54h 00m

£485

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Thu 12/3

12:25-06:30

2 stops35h 05m

London Heathrow

Tue 24/3

13:25-11:25

2 stops53h 00m

£485

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 11/3

12:25-11:50

1 stop16h 25m

London Heathrow

Wed 25/3

11:35-20:53

1 stop16h 18m

£485

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Tue 10/2

13:05-10:00

1 stop12h 55m

London Heathrow

Tue 17/2

10:45-21:45

1 stop19h 00m

£488

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 25/2

16:32-13:15

1 stop12h 43m

London Heathrow

Wed 4/3

10:05-18:32

1 stop16h 27m

£488

Flights are sorted by cheapest return flights first.

Deals found on 28/12

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 £430). Flying from Orange County to London in December is currently the most expensive (average of £650). 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 20h 40m. Fly via United Airlines, Air Canada, or Delta 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 £430). Flying from Orange County to London in December is currently the most expensive (average of £650). 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
Luton
Slough
Hounslow
Gatwick
Ilford
Wembley
Hayes
Brentford
Colchester
Watford
Crawley
Bedford
Chelmsford
Romford
Eastbourne
Ipswich
Bishop's Stortford
Guildford

Browse thousands of different options on Cheapflights for your next trip

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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