Latest deals
Insights
FAQs
Price Alerts

Cheap flights from Orange County to London from £199

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Orange County to London departing on 22/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Orange County to London

Cheap return flights

Enter your travel dates to find the best prices.
Iberia Logo
09:30 - 06:50SNA-LHR
13h 20m1 stop
Iberia Logo
19:40 - 08:34LHR-SNA
20h 54m2 stops
£462Iberia
Find Deal
Tue, 20 Jan - Mon, 26 Jan
Multiple Airlines Logo
12:25 - 11:50SNA-LHR
15h 25m1 stop
Multiple Airlines Logo
06:35 - 21:23LHR-SNA
22h 48m2 stops
£463Multiple Airlines
Find Deal
Wed, 10 Dec - Mon, 15 Dec
Multiple Airlines Logo
07:00 - 07:10SNA-LHR
16h 10m2 stops
Multiple Airlines Logo
06:35 - 21:23LHR-SNA
22h 48m2 stops
£464Multiple Airlines
Find Deal
Tue, 9 Dec - Tue, 16 Dec
Lufthansa Logo
18:25 - 19:35SNA-LHR
17h 10m2 stops
Lufthansa Logo
07:40 - 17:28LHR-SNA
17h 48m2 stops
£467Lufthansa
Find Deal
Wed, 28 Jan - Fri, 6 Feb
Delta Logo
13:05 - 10:00LGB-LHR
12h 55m1 stop
Delta Logo
10:00 - 16:07LHR-LGB
38h 07m2 stops
£470Delta
Find Deal
Mon, 19 Jan - Tue, 27 Jan
United Airlines Logo
18:25 - 07:25SNA-LHR
29h 00m1 stop
United Airlines Logo
09:00 - 20:42LHR-SNA
19h 42m2 stops
£472United Airlines
Find Deal
Tue, 9 Dec - Tue, 16 Dec
United Airlines Logo
12:25 - 11:50SNA-LHR
15h 25m1 stop
United Airlines Logo
13:25 - 22:28LHR-SNA
41h 03m2 stops
£473United Airlines
Find Deal
Thu, 11 Dec - Mon, 15 Dec
KLM Logo
11:46 - 08:45SNA-LHR
12h 59m1 stop
KLM Logo
12:20 - 22:21LHR-SNA
18h 01m1 stop
£477KLM
Find Deal
Tue, 9 Dec - Tue, 16 Dec
Delta Logo
07:00 - 06:25LGB-LHR
15h 25m2 stops
Delta Logo
06:20 - 21:45LHR-LGB
23h 25m2 stops
£478Delta
Find Deal
Tue, 20 Jan - Mon, 26 Jan
Lufthansa Logo
18:28 - 19:40SNA-LHR
17h 12m2 stops
Lufthansa Logo
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 Heathrow Airport

Our best United Airlines deals on Orange County to London Heathrow Airport 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 Heathrow Airport

Our best KLM deals on Orange County to London Heathrow Airport 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

momondo Fare Finder

 
Customise your flight search to find flights from Orange County to London Heathrow Airport 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, momondo users made 279,928 searches. Data last updated 7 November 2025.
Use the filters below to find and compare flights from Orange County to London Heathrow Airport that are best for you.

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
1
2

See travel insights to London from

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

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

What is the cheapest month to fly to London Heathrow Airport?

In general, September is the cheapest month to fly from Orange County to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £507. The month of October is another great option to travel to London Heathrow Airport, with average flight prices from Orange County averaging around £512.

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

On average, the least expensive day to fly to London Heathrow Airport from Orange County is on a Monday. momondo users have found tickets for Monday departures for as low as £510. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Saturday is £604.

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

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the afternoon. momondo users have found flights departing from Orange County to London Heathrow Airport in the afternoon for as low as £547. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying at midday when prices are £671 on average. Flights to London Heathrow Airport from Orange County at midday are generally more expensive because this time of day is more convenient for travellers’ schedules.

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

You are more likely to see cheaper flights to London Heathrow Airport from Orange County when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport 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 Heathrow Airport from Orange County for as low as £554 on momondo.

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

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

Cheap Orange County to London Heathrow Airport flight deals and tips

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

Direct flights

None
There are no direct flights from Orange County to London Heathrow Airport. There are no popular flight routes from Orange County to London Heathrow Airport.
Search flight deals

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

    Prices for flights from Orange County to London Heathrow Airport refresh daily.

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

    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 Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The travel and health documents required for your trip to London Heathrow Airport 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 Heathrow Airport. 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 Heathrow Airport?

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Gatwick
Maidstone
Slough
Northampton
Swindon
Canterbury
Stratford-upon-Avon
Southend-on-Sea
Ipswich
Ilford
Poole
Guildford
Swanage
Dover
Colchester
Chelmsford
Hayes

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Orange County to London for 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?

momondo provides multiple filters to help you find the best flight to London from Orange County. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are not ready to book a flight from Orange County to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.

An easier way to manage your London Heathrow Airport trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sun 7/12
Sun 14/12
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to London