What is the cheapest airline that flies from Orange County to London?

WestJet, Virgin Atlantic, and Air Canada are the most popular carriers operating from Orange County to London

When did momondo last update prices for flights from Orange County to London?

Prices for flights from Orange County to London refresh daily.

How old do you have to be to fly from Orange County to London?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Orange County to London.

What documentation or ID do you need to fly to London?

The travel and health documents required for your trip to London can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

£189 Cheap Flights from Orange County to London in 2025/26

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Find the cheapest flights from Orange County to London

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09:30 - 06:50SNA-LHR

13h 20m1 stop

19:40 - 08:34LHR-SNA

20h 54m2 stops

£462Iberia

Find Deal

Tue, 20 Jan - Mon, 26 Jan

12:25 - 11:50SNA-LHR

15h 25m1 stop

06:35 - 21:23LHR-SNA

22h 48m2 stops

£463Multiple Airlines

Find Deal

Wed, 10 Dec - Mon, 15 Dec

07:00 - 07:10SNA-LHR

16h 10m2 stops

06:35 - 21:23LHR-SNA

22h 48m2 stops

£464Multiple Airlines

Find Deal

Tue, 9 Dec - Tue, 16 Dec

18:25 - 19:35SNA-LHR

17h 10m2 stops

07:40 - 17:28LHR-SNA

17h 48m2 stops

£467Lufthansa

Find Deal

Wed, 28 Jan - Fri, 6 Feb

13:05 - 10:00LGB-LHR

12h 55m1 stop

10:00 - 16:07LHR-LGB

38h 07m2 stops

£470Delta

Find Deal

Mon, 19 Jan - Tue, 27 Jan

18:25 - 07:25SNA-LHR

29h 00m1 stop

09:00 - 20:42LHR-SNA

19h 42m2 stops

£472United Airlines

Find Deal

Tue, 9 Dec - Tue, 16 Dec

12:25 - 11:50SNA-LHR

15h 25m1 stop

13:25 - 22:28LHR-SNA

41h 03m2 stops

£473United Airlines

Find Deal

Thu, 11 Dec - Mon, 15 Dec

11:46 - 08:45SNA-LHR

12h 59m1 stop

12:20 - 22:21LHR-SNA

18h 01m1 stop

£477KLM

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Tue, 9 Dec - Tue, 16 Dec

07:00 - 06:25LGB-LHR

15h 25m2 stops

06:20 - 21:45LHR-LGB

23h 25m2 stops

£478Delta

Find Deal

Tue, 20 Jan - Mon, 26 Jan

18:28 - 19:40SNA-LHR

17h 12m2 stops

07:25 - 17:31LHR-SNA

18h 06m2 stops

£499Lufthansa

Find Deal

Wed, 8 Apr - Wed, 15 Apr

United Airlines flights from Orange County to London

Our best United Airlines deals on Orange County to London flight tickets

United Airlines

9 Dec

SNA18:25Santa Ana J. Wayne/Orange Cnty

29h 00m

1 stop

LHR07:25London Heathrow

16 Dec

LHR09:00London Heathrow

19h 42m

2 stops

SNA20:42Santa Ana J. Wayne/Orange Cnty

£472

Find similar

United Airlines

11 Dec

SNA12:25Santa Ana J. Wayne/Orange Cnty

15h 25m

1 stop

LHR11:50London Heathrow

15 Dec

LHR13:25London Heathrow

41h 03m

2 stops

SNA22:28Santa Ana J. Wayne/Orange Cnty

£473

Find similar

United Airlines

11 Dec

SNA12:25Santa Ana J. Wayne/Orange Cnty

15h 25m

1 stop

LHR11:50London Heathrow

15 Dec

LHR06:30London Heathrow

19h 47m

2 stops

SNA18:17Santa Ana J. Wayne/Orange Cnty

£475

Find similar

KLM flights from Orange County to London

Our best KLM deals on Orange County to London flight tickets

KLM

9 Nov

SNA08:55Santa Ana J. Wayne/Orange Cnty

14h 10m

1 stop

LHR07:05London Heathrow

25 Nov

LHR06:30London Heathrow

23h 49m

2 stops

SNA22:19Santa Ana J. Wayne/Orange Cnty

£465

Find similar

KLM

9 Nov

SNA08:55Santa Ana J. Wayne/Orange Cnty

14h 10m

1 stop

LHR07:05London Heathrow

25 Nov

LHR11:05London Heathrow

17h 09m

1 stop

SNA20:14Santa Ana J. Wayne/Orange Cnty

£470

Find similar

KLM

9 Dec

SNA11:46Santa Ana J. Wayne/Orange Cnty

12h 59m

1 stop

LHR08:45London Heathrow

16 Dec

LHR12:20London Heathrow

18h 01m

1 stop

SNA22:21Santa Ana J. Wayne/Orange Cnty

£477

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Tue 20/1

09:30-06:50

1 stop13h 20m

London Heathrow

Mon 26/1

19:40-08:34

2 stops20h 54m

£462

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 10/12

12:25-11:50

1 stop15h 25m

London Heathrow

Mon 15/12

06:35-21:23

2 stops22h 48m

£463

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Tue 9/12

07:00-07:10

2 stops16h 10m

London Heathrow

Tue 16/12

06:35-21:23

2 stops22h 48m

£464

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 28/1

18:25-19:35

2 stops17h 10m

London Heathrow

Fri 6/2

07:40-17:28

2 stops17h 48m

£467

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Mon 19/1

13:05-10:00

1 stop12h 55m

London Heathrow

Tue 27/1

10:00-16:07

2 stops38h 07m

£470

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Tue 9/12

18:25-07:25

1 stop29h 00m

London Heathrow

Tue 16/12

09:00-20:42

2 stops19h 42m

£472

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Thu 11/12

12:25-11:50

1 stop15h 25m

London Heathrow

Mon 15/12

13:25-22:28

2 stops41h 03m

£473

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Tue 9/12

11:46-08:45

1 stop12h 59m

London Heathrow

Tue 16/12

12:20-22:21

1 stop18h 01m

£477

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Tue 20/1

07:00-06:25

2 stops15h 25m

London Heathrow

Mon 26/1

06:20-21:45

2 stops23h 25m

£478

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 8/4

18:28-19:40

2 stops17h 12m

London Heathrow

Wed 15/4

07:25-17:31

2 stops18h 06m

£499

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Orange County to London

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to London?

The cheapest month to fly to London from Orange County is in September. Flight prices, which tend to average around £457, are often lower during this time because this is during the off-season. The month of August is another great option to travel to London, with average flight prices from Orange County averaging around £467.

What is the cheapest day to depart on your flight to London?

Our data shows that Monday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £510. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Orange County to London for around £595.

What is the cheapest time of day to depart on your flight to London?

The cheapest time of day to fly to London is in the afternoon when flights can be purchased for as low as £529. Flights at midday are often more expensive, with an average ticket price of £671.

How far in advance should I book a flight to London?

You are more likely to see cheaper flights to London from Orange County when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around £596 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Orange County for as low as £554 on momondo.

Can stopping save me money on Orange County to London flights?

No. A direct flight is the cheapest option for a flight between Orange County to London.

Cheap Orange County to London flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Orange County to London

Direct flights	None

There are no direct flights from Orange County to London. There are no popular flight routes from Orange County to London.

Search flight deals

When did momondo last update prices for flights from Orange County to London?
Prices for flights from Orange County to London refresh daily.
How old do you have to be to fly from Orange County to London?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Orange County to London.
What documentation or ID do you need to fly to London?
The travel and health documents required for your trip to London can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Orange County to London?
momondo data reveals that the most frequently booked plane model on the route from Orange County to London is Airbus A320neo, representing 14.17% of all bookings. The subsequent popular models are Boeing 737-800 Passenger/BBJ2 (winglets) at 13.98%, Airbus A319 at 13.90%, and Airbus A320-100/200 at 12.51%.

Eastbourne

Milton Keynes

Luton

Gatwick

Maidstone

Slough

Canterbury

Southend-on-Sea

Ipswich

Ilford

Guildford

Dover

Colchester

Chelmsford

Hayes

Worthing

Ramsgate

Dartford

Bedford

Winchester

Why use momondo?

Why should I use momondo to find a flight deal from Orange County to London?

It is quick and easy to find Orange County to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.

Can I find flights from Orange County to London with flexible booking policies on momondo?

All flight searches from Orange County to London on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Orange County to London?

Once you have performed a search for Orange County to London flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Orange County to London right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Orange County to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.