How long is the flight from Orange County to London?

There are many flights that can get you from Orange County to London in 16h 09m. Fly via United Airlines, Delta, or KLM 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.

In terms of precipitation, rainfall in London ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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.

What is the cheapest time of day to fly from KFI to LON?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Orange County to London as you normally would.

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.

£183+ Flights from Orange County to London

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 16 December 2025.

Wed 31/1213:10SNA - LHR

1 stop12h 50mDelta

Fri 9/106:20LHR - SNA

2 stops23h 58mDelta

Deal found 14/12£490

Sun 28/1219:05SNA - LHR

1 stop32h 55mLufthansa

Mon 12/119:15LHR - SNA

2 stops31h 14mLufthansa

Deal found 13/12£501

Mon 29/1207:00LGB - LHR

1 stop19h 00mDelta

Fri 9/114:40LHR - LGB

2 stops29h 23mDelta

Deal found 15/12£510

Mon 29/1207:00SNA - LHR

1 stop19h 00mDelta

Fri 9/116:10LHR - SNA

2 stops27h 39mDelta

Deal found 15/12£510

Mon 29/1207:00SNA - LHR

1 stop19h 00mDelta

Sat 10/111:05LHR - SNA

1 stop17h 27mDelta

Deal found 15/12£544

Mon 29/1207:00LGB - LHR

1 stop19h 00mDelta

Sat 10/109:40LHR - LGB

2 stops20h 05mDelta

Deal found 15/12£547

Mon 29/1210:55SNA - LHR

1 stop14h 45mUnited Airlines

Thu 8/109:10LHR - SNA

1 stop16h 12mUnited Airlines

Deal found 15/12£548

Sun 28/1219:05SNA - LHR

1 stop28h 20mUnited Airlines

Mon 12/114:30LHR - SNA

1 stop28h 55mUnited Airlines

Deal found 13/12£554

Sun 28/1219:05SNA - LHR

1 stop32h 55mLufthansa

Sun 11/107:40LHR - SNA

2 stops21h 38mLufthansa

Deal found 13/12£555

Tue 30/1219:05SNA - LHR

1 stop28h 20mMultiple Airlines

Wed 7/113:00LHR - SNA

2 stops30h 51mMultiple Airlines

Deal found 14/12£560

Mon 29/1207:00LGB - LHR

1 stop19h 00mDelta

Wed 7/111:45LHR - LGB

2 stops36h 22mDelta

Deal found 15/12£597

Mon 29/1213:15LGB - LHR

1 stop12h 45mDelta

Sun 11/110:45LHR - LGB

1 stop19h 00mDelta

Deal found 15/12£609

Best flights from Orange County to London
Discover carefully curated flight deals from Orange County to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 16 December 2025.

Thu 29/118:25SNA - LHR

1 stop33h 35mUnited Airlines

Mon 2/214:30LHR - SNA

1 stop28h 55mUnited Airlines

Deal found 13/12£470

Mon 12/109:51SNA - LHR

1 stop16h 09mDelta

Thu 29/106:30LHR - SNA

2 stops18h 04mDelta

Deal found 14/12£471

Thu 29/107:00LGB - LHR

2 stops19h 15mKLM

Thu 5/217:50LHR - LGB

2 stops30h 17mKLM

Deal found 14/12£474

Wed 4/209:51SNA - LHR

2 stops16h 24mVirgin Atlantic

Thu 12/208:40LHR - SNA

2 stops19h 42mVirgin Atlantic

Deal found 13/12£474

Wed 15/413:22SNA - LCY

2 stops21h 13mLufthansa

Wed 29/409:15LCY - SNA

2 stops19h 31mLufthansa

Deal found 15/12£516

Wed 21/110:53SNA - LCY

2 stops19h 12mIberia

Wed 28/107:50LCY - SNA

2 stops21h 05mIberia

Deal found 15/12£537

Wed 21/110:14SNA - LGW

2 stops16h 41mMultiple Airlines

Fri 30/111:55LGW - SNA

2 stops18h 32mMultiple Airlines

Deal found 15/12£694

Tue 14/414:55SNA - LGW

2 stops15h 45mIcelandair

Tue 28/413:00LGW - SNA

2 stops17h 21mIcelandair

Deal found 15/12£728

Sun 15/318:34SNA - LHR

1 stop32h 06mUnited Airlines

Tue 24/314:30LHR - SNA

1 stop27h 55mUnited Airlines

Deal found 13/12£475

Mon 12/107:00LGB - LHR

2 stops29h 10mVirgin Atlantic

Sun 25/120:00LHR - LGB

2 stops57h 45mVirgin Atlantic

Deal found 15/12£476

Thu 29/107:00LGB - LHR

2 stops18h 00mDelta

Thu 5/210:45LHR - LGB

1 stop19h 00mDelta

Deal found 14/12£494

Thu 26/206:45SNA - LCY

2 stops18h 05mIberia

Thu 5/307:50LCY - SNA

2 stops22h 56mIberia

Deal found 15/12£537

Wed 31/1209:53SNA - LHR

2 stops16h 37mDelta

Fri 9/106:20LHR - SNA

2 stops23h 58mDelta

Deal found 14/12£494

Sat 2/513:22SNA - LCY

2 stops21h 13mLufthansa

Tue 12/509:15LCY - SNA

2 stops19h 31mLufthansa

Deal found 14/12£550

Mon 29/1207:00SNA - LHR

1 stop19h 00mDelta

Fri 9/117:20LHR - SNA

1 stop23h 56mDelta

Deal found 15/12£507

Wed 21/110:53SNA - LCY

2 stops19h 12mIberia

Fri 30/107:50LCY - SNA

2 stops21h 05mIberia

Deal found 15/12£573

Mon 29/1207:00LGB - LHR

1 stop19h 00mDelta

Fri 9/114:40LHR - LGB

2 stops29h 23mDelta

Deal found 15/12£510

Thu 29/110:14SNA - LGW

2 stops16h 41mMultiple Airlines

Thu 5/211:55LGW - SNA

2 stops18h 32mMultiple Airlines

Deal found 14/12£731

Wed 15/410:15SNA - LGW

2 stops20h 25mIcelandair

Tue 28/413:00LGW - SNA

2 stops17h 21mIcelandair

Deal found 15/12£732

Sun 11/107:50SNA - LCY

2 stops17h 00mIberia

Wed 28/107:50LCY - SNA

2 stops21h 05mIberia

Deal found 14/12£612

Mon 29/1207:00LGB - LHR

1 stop19h 00mDelta

Sat 10/109:40LHR - LGB

2 stops20h 05mDelta

Deal found 15/12£547

Tue 14/410:15SNA - LGW

2 stops20h 25mIcelandair

Mon 27/415:40LGW - SNA

2 stops38h 41mIcelandair

Deal found 15/12£733

Wed 4/210:14SNA - LGW

2 stops16h 41mMultiple Airlines

Thu 12/211:55LGW - SNA

2 stops17h 25mMultiple Airlines

Deal found 13/12£742

Wed 31/1210:55SNA - LCY

2 stops22h 45mLufthansa

Fri 9/109:55LCY - SNA

2 stops18h 47mLufthansa

Deal found 14/12£778

Wed 31/1213:15LGB - LHR

1 stop12h 45mDelta

Sat 10/109:40LHR - LGB

2 stops20h 05mDelta

Deal found 15/12£547

Wed 15/410:15SNA - LGW

2 stops20h 25mIcelandair

Wed 29/415:40LGW - SNA

2 stops38h 41mIcelandair

Deal found 15/12£733

Wed 4/310:58SNA - LCY

2 stops19h 07mIberia

Wed 11/307:50LCY - SNA

2 stops21h 57mIberia

Deal found 15/12£697

Fri 16/114:20SNA - LGW

2 stops24h 15mMultiple Airlines

Thu 22/106:25LGW - SNA

2 stops24h 02mMultiple Airlines

Deal found 14/12£780

Tue 30/1213:15LGB - LHR

1 stop12h 45mDelta

Sat 10/109:40LHR - LGB

2 stops20h 05mDelta

Deal found 15/12£547

Wed 15/410:15SNA - LGW

2 stops20h 25mIcelandair

Fri 1/515:40LGW - SNA

2 stops38h 41mIcelandair

Deal found 15/12£743

Last-minute flights from Orange County to London
Discover last-minute flight deals from Orange County to London. Data last updated 16 December 2025 and is based on user searches.

Sun 11/110:00SNA - LHR

1 stop13h 25mLufthansa

Wed 28/106:35LHR - SNA

2 stops18h 53mLufthansa

Deal found 14/12£446

Sun 11/118:25SNA - LHR

1 stop29h 00mUnited Airlines

Wed 28/114:30LHR - SNA

1 stop28h 55mUnited Airlines

Deal found 14/12£470

Sun 11/121:20SNA - LHR

1 stop26h 30mDelta

Thu 29/106:30LHR - SNA

2 stops18h 04mDelta

Deal found 14/12£475

Mon 12/109:51SNA - LHR

1 stop16h 09mKLM

Wed 28/106:30LHR - SNA

2 stops18h 04mKLM

Deal found 14/12£471

Mon 12/107:00SNA - LHR

2 stops19h 15mDelta

Thu 29/106:30LHR - SNA

2 stops18h 04mDelta

Deal found 14/12£474

Mon 12/107:00LGB - LHR

2 stops29h 10mVirgin Atlantic

Sun 25/120:00LHR - LGB

2 stops57h 45mVirgin Atlantic

Deal found 15/12£476

Wed 21/112:25SNA - LHR

1 stop15h 25mMultiple Airlines

Fri 30/114:30LHR - SNA

1 stop28h 55mMultiple Airlines

Deal found 15/12£462

Wed 21/112:25SNA - LHR

1 stop15h 25mMultiple Airlines

Wed 28/106:30LHR - SNA

2 stops36h 55mMultiple Airlines

Deal found 15/12£467

Tue 27/111:42SNA - LHR

1 stop14h 43mBritish Airways

Tue 3/206:00LHR - SNA

2 stops20h 01mBritish Airways

Deal found 15/12£476

Thu 29/112:25SNA - LHR

1 stop15h 25mMultiple Airlines

Thu 5/206:35LHR - SNA

2 stops18h 53mMultiple Airlines

Deal found 15/12£467

Thu 29/112:25SNA - LHR

1 stop15h 25mUnited Airlines

Mon 2/213:25LHR - SNA

2 stops37h 16mUnited Airlines

Deal found 14/12£473

Thu 29/107:00LGB - LHR

2 stops19h 15mKLM

Thu 5/217:50LHR - LGB

2 stops30h 17mKLM

Deal found 14/12£474

One-way flights from Orange County to London
Search for one-way flight options from Orange County to London. Find affordable one-way fares based on user searches. Data last updated 16 December 2025.

Tue 20/114:15SNA - LHR

1 stop14h 35mWestJet

Deal found 14/12£183

Thu 15/114:15SNA - LHR

1 stop14h 35mWestJet

Deal found 14/12£202

Sat 24/114:15SNA - LHR

1 stop14h 35mWestJet

Deal found 15/12£203

Sat 7/314:15SNA - LHR

1 stop14h 35mWestJet

Deal found 15/12£215

Tue 10/210:14SNA - LHR

3 stops18h 36mMultiple Airlines

Deal found 15/12£224

Tue 10/216:37SNA - LGW

3 stops29h 23mMultiple Airlines

Deal found 15/12£262

Tue 10/210:00SNA - LHR

1 stop18h 00mLufthansa

Deal found 15/12£274

Sun 18/110:51SNA - LHR

1 stop13h 04mBrussels Airlines

Deal found 14/12£295

Sun 15/210:51SNA - LHR

1 stop13h 04mBrussels Airlines

Deal found 15/12£298

Wed 28/107:00SNA - LHR

2 stops19h 15mUnited Airlines

Deal found 13/12£298

Sat 10/112:25SNA - LHR

2 stops58h 45mAir Canada

Deal found 14/12£301

Mon 12/113:05LGB - LHR

1 stop12h 55mDelta

Deal found 14/12£301

Find flight deals from Orange County to London

Round-trip from	£446
One-way from	£183
Popular in	December
Cheapest in	September
Average price	£781

Lufthansa
11/1-28/1
3 total stops
32h 18m total
Orange County to London

Search Deals

WestJet
20/1
1 total stop
14h 35m 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 (£18 potential savings vs. average return price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

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

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Thu 29/1

18:25-12:00

1 stop33h 35m

London Heathrow

Mon 2/2

14:30-11:25

1 stop28h 55m

£470

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Mon 12/1

09:51-10:00

1 stop16h 09m

London Heathrow

Thu 29/1

06:30-16:34

2 stops18h 04m

£471

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Thu 29/1

07:00-10:15

2 stops19h 15m

London Heathrow

Thu 5/2

17:50-16:07

2 stops30h 17m

£474

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 4/2

09:51-10:15

2 stops16h 24m

London Heathrow

Thu 12/2

08:40-20:22

2 stops19h 42m

£474

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Sun 15/3

18:34-09:40

1 stop32h 06m

London Heathrow

Tue 24/3

14:30-11:25

1 stop27h 55m

£475

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Mon 12/1

07:00-20:10

2 stops29h 10m

London Heathrow

Sun 25/1

20:00-21:45

2 stops57h 45m

£476

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Thu 29/1

07:00-09:00

2 stops18h 00m

London Heathrow

Thu 5/2

10:45-21:45

1 stop19h 00m

£494

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 31/12

09:53-10:30

2 stops16h 37m

London Heathrow

Fri 9/1

06:20-22:18

2 stops23h 58m

£494

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Mon 29/12

07:00-10:00

1 stop19h 00m

London Heathrow

Fri 9/1

17:20-09:16

1 stop23h 56m

£507

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Mon 29/12

07:00-10:00

1 stop19h 00m

London Heathrow

Fri 9/1

14:40-12:03

2 stops29h 23m

£510

Flights are sorted by cheapest return flights first.

Deals found on 14/12

Showing 1-10 of 60 results

...

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 £434). Flying from Orange County to London in December is currently the most expensive (average of £654). 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

How long is the flight from Orange County to London?
There are many flights that can get you from Orange County to London in 16h 09m. Fly via United Airlines, Delta, or KLM 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 £434). Flying from Orange County to London in December is currently the most expensive (average of £654). 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

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Slough

Hounslow

Luton

Gatwick

Wembley

Ilford

Brentford

Colchester

Hayes

Watford

Crawley

Winchester

Bedford

Romford

Chichester

Eastbourne

Guildford

Ipswich

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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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Cheap flights from Orange County to London from £183

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 20/1. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Orange County to London

Cheapest flights from Orange County to LondonExplore 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 16 December 2025.

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 16 December 2025.

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 16 December 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

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.

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?

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?

What are the most popular routes from Orange County to London?

Can I find deals for flights from Orange County to London that include hotel bookings?

How can I find direct flights from Orange County to London?

Can I find deals for business class flights from Orange County to London?

What is the cheapest month to book a flight from Orange County to London?

Travelling to a place near London?

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Alternative routes for Orange County to London

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

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

Can Cheapflights find flights from Orange County to London with no change fees?

Can Cheapflights notify me if prices for flights from Orange County to London become cheaper?

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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 16 December 2025.