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Cheap flights from Orange County to London Heathrow Airport from £176

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.
SNA — LHR
25 Jan — 1 Feb1
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 26 December 2025.

Wed 31/1207:15SNA - LHR
1 stop19h 15mDelta
Fri 9/106:30LHR - SNA
2 stops23h 48mDelta
Deal found 24/12£681
Wed 31/1212:25SNA - LHR
1 stop15h 25mAir Canada
Fri 9/114:30LHR - SNA
1 stop28h 55mAir Canada
Deal found 24/12£690
Mon 29/1209:50SNA - LHR
1 stop13h 35mLufthansa
Thu 8/112:05LHR - SNA
1 stop17h 37mLufthansa
Deal found 24/12£697
Wed 31/1212:25SNA - LHR
1 stop15h 25mUnited Airlines
Fri 9/110:25LHR - SNA
1 stop19h 59mUnited Airlines
Deal found 26/12£699
Thu 25/1207:00LGB - LHR
2 stops20h 40mMultiple Airlines
Wed 31/1210:45LHR - LGB
1 stop19h 00mMultiple Airlines
Deal found 25/12£1,069
Thu 25/1207:00LGB - LHR
2 stops20h 40mDelta
Wed 31/1215:50LHR - LGB
2 stops28h 26mDelta
Deal found 25/12£1,077

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 26 December 2025.

Round-trip from

£431

One-way from

£176

Popular in

December

Cheapest in

September

Average price

£791
Virgin Atlantic
  • Virgin Atlantic
  • 26/1-9/2
  • 4 total stops
  • 54h 15m total
  • Orange County to London
Search Deals
WestJet
  • WestJet
  • 20/1
  • 1 total stop
  • 14h 35m total
  • Orange County to London
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£60 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

 
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 26 December 2025.
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

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Mon 26/1

07:00-11:55

2 stops20h 55m

London Heathrow

Mon 9/2

20:25-21:45

2 stops33h 20m

£431

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Mon 9/2

13:05-10:00

1 stop12h 55m

London Heathrow

Wed 25/2

08:40-16:00

2 stops39h 20m

£461

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Mon 6/4

07:00-13:30

2 stops22h 30m

London Heathrow

Wed 22/4

17:35-21:45

2 stops36h 10m

£463

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Tue 20/1

11:55-09:00

1 stop13h 05m

London Heathrow

Tue 3/2

06:30-20:04

2 stops21h 34m

£465

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Wed 4/2

07:00-10:00

1 stop19h 00m

London Heathrow

Wed 11/2

17:05-16:05

2 stops31h 00m

£466

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 21/1

15:41-07:25

1 stop31h 44m

London Heathrow

Wed 4/2

14:30-11:25

1 stop28h 55m

£466

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 18/3

12:25-11:50

1 stop16h 25m

London Heathrow

Mon 23/3

15:00-20:53

2 stops36h 53m

£467

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Mon 16/3

18:35-07:25

1 stop29h 50m

London Heathrow

Tue 24/3

14:30-11:25

1 stop27h 55m

£467

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Fri 30/1

11:05-11:15

2 stops16h 10m

London Heathrow

Mon 2/2

07:40-08:58

2 stops33h 18m

£468

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 18/3

12:25-10:10

2 stops38h 45m

London Heathrow

Sun 22/3

13:25-17:28

2 stops35h 03m

£469

Flights are sorted by cheapest return flights first.

Deals found on 25/12

Showing 1-10 of 36 results
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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 £429). Flying from Orange County to London Heathrow Airport in December is currently the most expensive (average of £648). 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 12h 55m. 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 £429). Flying from Orange County to London Heathrow Airport in December is currently the most expensive (average of £648). 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
Slough
Hounslow
Northampton
Luton
Gatwick
Wembley
Ilford
Brentford
Colchester
Hayes
Watford
Crawley
Swindon
Bedford
Romford
Chichester
Eastbourne
Ipswich

Browse thousands of different options on Cheapflights for your next trip

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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 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.

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