Find flights
When to book
FAQs

Cheap flights from Orange County to London Heathrow Airport from £291

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 20/4. Fares are subject to change and may not be available on all flights or dates of travel.
SNA — LHR
24 Mar — 31 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Orange County to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Orange County to Heathrow
Explore the most affordable flight options available from Orange County to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 February 2026.

Sun 12/412:25
SNA
-
LHR
1 stop16h 55m
Multiple Airlines
Tue 21/407:25
LHR
-
SNA
2 stops18h 08m
Multiple Airlines
Deal found 18/2£478
Sun 12/412:25
SNA
-
LHR
1 stop16h 55m
Air Canada
Tue 21/415:05
LHR
-
SNA
1 stop28h 07m
Air Canada
Deal found 18/2£492
Mon 13/413:30
SNA
-
LHR
1 stop14h 45m
British Airways
Tue 28/410:05
LHR
-
SNA
1 stop13h 25m
British Airways
Deal found 19/2£494
Mon 19/1014:52
SNA
-
LHR
1 stop15h 33m
Iberia
Mon 26/1019:40
LHR
-
SNA
2 stops20h 54m
Iberia
Deal found 20/2£498
Tue 7/409:30
SNA
-
LHR
1 stop14h 35m
Iberia
Tue 14/406:10
LHR
-
SNA
2 stops22h 40m
Iberia
Deal found 21/2£501
Tue 7/409:00
SNA
-
LHR
2 stops18h 35m
United Airlines
Tue 14/407:25
LHR
-
SNA
2 stops19h 06m
United Airlines
Deal found 21/2£501
Mon 9/313:05
LGB
-
LHR
1 stop13h 55m
Delta
Thu 7/506:30
LHR
-
LGB
2 stops17h 46m
Delta
Deal found 20/2£502
Wed 8/411:05
SNA
-
LHR
1 stop17h 05m
Delta
Wed 22/406:30
LHR
-
SNA
2 stops19h 23m
Delta
Deal found 20/2£502
Mon 13/412:55
LGB
-
LHR
2 stops37h 20m
Virgin Atlantic
Tue 28/420:55
LHR
-
LGB
2 stops32h 47m
Virgin Atlantic
Deal found 19/2£503
Tue 7/419:15
SNA
-
LHR
2 stops16h 55m
Delta
Thu 23/411:45
LHR
-
SNA
2 stops18h 43m
Delta
Deal found 21/2£504
Tue 7/419:15
SNA
-
LHR
2 stops16h 55m
Delta
Wed 15/408:40
LHR
-
SNA
2 stops21h 48m
Delta
Deal found 19/2£505
Sun 8/317:03
LGB
-
LHR
1 stop33h 57m
Delta
Thu 7/506:30
LHR
-
LGB
2 stops17h 46m
Delta
Deal found 20/2£506

Find flight deals from Orange County to Heathrow

Keep the following information in mind while searching for Orange County to Heathrow flight deals. Data was last updated 22 February 2026.

Round-trip from

£478

One-way from

£291

Popular in

December

Cheapest in

September

Average price

£487
Lufthansa
  • Lufthansa
  • 12/4-21/4
  • 3 total stops
  • 35h 03m total
  • Orange County to London
Search Deals
Virgin Atlantic
  • Virgin Atlantic
  • 20/4
  • 2 total stops
  • 16h 20m total
  • Orange County to London
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£62 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£16 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Orange County to Heathrow 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 22 February 2026.
Use the filters below to find and compare flights from Orange County to London Heathrow Airport that are best for you.

Fly from

Orange County

Fly to

Heathrow

Route

Depart

Return

Price

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Sun 12/4

12:25-10:00

2 stops37h 35m

London Heathrow

Tue 21/4

14:05-11:12

2 stops29h 07m

£497

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Tue 10/3

07:00-10:00

1 stop20h 00m

London Heathrow

Thu 7/5

06:30-16:16

2 stops17h 46m

£502

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Tue 14/4

07:30-12:10

1 stop20h 40m

London Heathrow

Thu 23/4

06:30-17:53

2 stops19h 23m

£502

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 8/4

11:05-12:10

1 stop17h 05m

London Heathrow

Wed 22/4

06:30-17:53

2 stops19h 23m

£502

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Mon 13/4

07:00-07:10

2 stops40h 10m

London Heathrow

Tue 28/4

20:55-21:42

2 stops32h 47m

£503

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 13/5

08:00-07:40

1 stop15h 40m

London Heathrow

Fri 22/5

14:50-22:01

1 stop15h 11m

£514

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Wed 8/4

13:05-13:05

2 stops16h 00m

London Heathrow

Wed 15/4

10:55-21:42

1 stop18h 47m

£517

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Tue 21/4

12:55-16:15

2 stops19h 20m

London Heathrow

Tue 28/4

10:55-21:42

1 stop18h 47m

£522

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Sun 29/3

07:50-07:25

1 stop15h 35m

London Heathrow

Tue 7/4

14:50-20:47

1 stop13h 57m

£522

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Mon 9/3

13:05-10:00

1 stop13h 55m

London Heathrow

Thu 7/5

10:55-16:16

1 stop13h 21m

£523

Flights are sorted by cheapest return flights first.

Deals found on 21/2

Showing 1-10 of 42 results
1
2
3
...
5

Best time to book a flight from Orange County to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow 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 Heathrow Airport

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

Currently, August is the cheapest month in which you can book a flight from Orange County to London Heathrow Airport (average of £430). Flying from Orange County to London Heathrow Airport in June is currently the most expensive (average of £679). 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 Heathrow. 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 Heathrow Airport?

    Departing from Orange County to London Heathrow Airport will take you 20h. Airlines will cover a distance of 5438 mi. This flight may include one or multiple stops.

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

    Yes. In addition to deals on Orange County to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Orange County to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Orange County to Heathrow.

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

    Yes. Cheapflights offers flight deals from Orange County to Heathrow 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 Heathrow Airport?

    Currently, August is the cheapest month in which you can book a flight from Orange County to London Heathrow Airport (average of £430). Flying from Orange County to London Heathrow Airport in June is currently the most expensive (average of £679). 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 Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Wembley
Luton
Northampton
Gatwick
Slough
Hounslow
Ilford
Hayes
Brentford
Colchester
Watford
Guildford
Kingston upon Thames
Eastbourne
Ipswich
Chelmsford
Swindon
Bedford

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 Heathrow?

Deals for Orange County to Heathrow flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Orange County to Heathrow.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Orange County to Heathrow, users can toggle the no change fees filter when performing a flight search.

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

Not ready to book yet? You can track prices for flights from Orange County to Heathrow on Cheapflights with our Price Alert feature and get notified when better prices are available.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.