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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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
SNA — LON
14 Dec — 21 Dec1
1 adult
1 adult, Economy, 0 bags

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 14 November 2025.

Mon 17/1113:15LGB - LHR
2 stops15h 35mVirgin Atlantic
Wed 3/1217:20LHR - LGB
2 stops36h 25mVirgin Atlantic
Deal found 12/11£432
Wed 26/1112:25SNA - LHR
1 stop15h 25mAir Canada
Wed 10/1212:00LHR - SNA
2 stops18h 28mAir Canada
Deal found 13/11£458
Fri 5/1209:30SNA - LHR
1 stop16h 30mIberia
Fri 12/1208:20LHR - SNA
1 stop19h 50mIberia
Deal found 13/11£462
Wed 26/1107:00SNA - LHR
2 stops16h 05mDelta
Wed 10/1206:20LHR - SNA
2 stops19h 50mDelta
Deal found 13/11£473
Wed 31/1208:00SNA - LHR
1 stop15h 05mDelta
Fri 9/117:20LHR - SNA
1 stop23h 56mDelta
Deal found 13/11£474
Wed 12/1113:50SNA - LHR
1 stop12h 10mDelta
Tue 18/1110:45LHR - SNA
1 stop15h 23mDelta
Deal found 12/11£476
Wed 31/1209:50SNA - LHR
1 stop13h 35mLufthansa
Tue 13/107:40LHR - SNA
2 stops18h 49mLufthansa
Deal found 14/11£476
Thu 11/1207:10SNA - LHR
1 stop16h 15mUnited Airlines
Mon 15/1206:30LHR - SNA
2 stops23h 58mUnited Airlines
Deal found 13/11£477
Thu 11/1211:41SNA - LHR
1 stop14h 44mBritish Airways
Mon 15/1208:20LHR - SNA
1 stop15h 42mBritish Airways
Deal found 12/11£486
Wed 10/1213:19SNA - LHR
1 stop12h 21mUnited Airlines
Wed 17/1207:40LHR - SNA
1 stop18h 37mUnited Airlines
Deal found 12/11£492
Wed 26/1112:14SNA - LCY
2 stops20h 26mMultiple Airlines
Wed 10/1209:50LCY - SNA
2 stops18h 52mMultiple Airlines
Deal found 13/11£533
Thu 4/1216:00SNA - LCY
2 stops16h 40mLufthansa
Thu 11/1209:40LCY - SNA
2 stops17h 07mLufthansa
Deal found 13/11£551

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 14 November 2025.

Round-trip from

£458

One-way from

£182

Popular in

December

Cheapest in

September

Average price

£581
Air Canada
  • Air Canada
  • 26/11-10/12
  • 3 total stops
  • 33h 53m total
  • Orange County to London
Search Deals
9/12
  • 9/12
  • 2 total stops
  • 34h 21m total
  • Orange County to London
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£66 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£18 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 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 14 November 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

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Mon 24/11

13:15-10:00

1 stop12h 45m

London Heathrow

Fri 5/12

06:20-21:45

2 stops23h 25m

£470

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Tue 25/11

13:15-10:00

1 stop12h 45m

London Heathrow

Fri 5/12

06:20-21:45

2 stops23h 25m

£470

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Mon 24/11

13:15-10:00

1 stop12h 45m

London Heathrow

Thu 4/12

06:20-21:45

2 stops23h 25m

£470

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 26/11

07:00-07:05

2 stops16h 05m

London Heathrow

Wed 10/12

06:20-18:10

2 stops19h 50m

£473

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 31/12

08:00-07:05

1 stop15h 05m

London Heathrow

Fri 9/1

17:20-09:16

1 stop23h 56m

£474

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Fri 16/1

08:00-11:15

2 stops19h 15m

London Heathrow

Mon 19/1

07:40-18:29

2 stops18h 49m

£476

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Mon 24/11

13:15-10:00

1 stop12h 45m

London Heathrow

Wed 3/12

10:45-21:45

1 stop19h 00m

£476

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Tue 25/11

13:15-10:00

1 stop12h 45m

London Heathrow

Wed 3/12

10:45-21:45

1 stop19h 00m

£476

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 14/1

19:50-07:25

1 stop27h 35m

London Heathrow

Sun 18/1

14:30-11:25

1 stop28h 55m

£476

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Thu 11/12

07:10-07:25

1 stop16h 15m

London Heathrow

Mon 15/12

06:30-22:28

2 stops23h 58m

£477

Flights are sorted by cheapest return flights first.

Deals found on 13/11

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
No data available for this route at this time. Please check back soon.

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 45m. Fly via Delta, United Airlines, or Virgin Atlantic 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 cheapest airlines to fly from Orange County to London one-way?

    For one-way options, check prices for WestJet. According to our data, you can fly for as low as £239. Users have also found prices from £299 and £302 on United Airlines and Virgin Atlantic, respectively.

  • 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.

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
Slough
Gatwick
Hounslow
Luton
Ilford
Wembley
Deal
Hayes
Colchester
Watford
Winchester
Crawley
Brentford
Romford
Chichester
Ipswich
Bedford
Eastbourne

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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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