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Cheap flights from Orange County to London Heathrow Airport from £318

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 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
SNA — LHR
3 May — 10 May1
1 adult

Cheap 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 28 April 2025.

Round-trip from

£513

One-way from

£318

Popular in

December

Cheapest in

October

Average price

£505
Virgin Atlantic
  • Virgin Atlantic
  • 24/9-2/10
  • 4 total stops
  • 72h 11m total
  • Orange County to London
Delta
  • Delta
  • 1/9
  • 1 total stop
  • 12h 51m total
  • Orange County to London
Highest demand for flights based on searches. 6% potential increase in price (£29 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).
Average for round-trip flights in April 2025

Find flight deals from Orange County to Heathrow

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 28 April 2025.

Wed 24/912:59LGB - LHR
2 stops17h 16mVirgin Atlantic
Thu 2/1017:25LHR - LGB
2 stops54h 55mVirgin Atlantic
Deal found 27/4£513
Tue 23/910:15SNA - LHR
1 stop15h 35mVirgin Atlantic
Fri 24/1012:25LHR - SNA
1 stop16h 14mVirgin Atlantic
Deal found 26/4£515
Tue 13/514:15SNA - LHR
1 stop13h 30mUnited Airlines
Tue 20/514:05LHR - SNA
2 stops29h 51mUnited Airlines
Deal found 27/4£522
Tue 13/509:45SNA - LHR
1 stop16h 05mKLM
Tue 20/512:25LHR - SNA
1 stop15h 57mKLM
Deal found 27/4£539
Wed 24/907:10LGB - LHR
2 stops22h 00mMultiple Airlines
Thu 2/1010:55LHR - LGB
1 stop13h 25mMultiple Airlines
Deal found 27/4£542
Tue 2/1210:15SNA - LHR
2 stops18h 00mDelta
Tue 16/1212:10LHR - SNA
2 stops17h 47mDelta
Deal found 27/4£542
Sat 13/913:30SNA - LHR
2 stops33h 00mAir Canada
Sun 28/906:00LHR - SNA
2 stops38h 23mAir Canada
Deal found 27/4£551
Wed 1/1007:20SNA - LHR
2 stops18h 15mMultiple Airlines
Sun 19/1006:00LHR - SNA
2 stops38h 23mMultiple Airlines
Deal found 26/4£555
Wed 1/1012:59LGB - LHR
1 stop12h 51mDelta
Sun 19/1010:55LHR - LGB
1 stop18h 51mDelta
Deal found 26/4£577
Tue 23/910:21SNA - LHR
2 stops25h 59mIcelandair
Fri 24/1021:25LHR - SNA
2 stops33h 05mIcelandair
Deal found 26/4£714
Thu 15/507:01LGB - LHR
2 stops23h 14mKLM
Mon 19/520:55LHR - LGB
2 stops27h 18mKLM
Deal found 27/4£719
Sun 25/511:10SNA - LHR
2 stops20h 50mScandinavian Airlines
Mon 9/606:40LHR - SNA
2 stops23h 55mScandinavian Airlines
Deal found 27/4£721

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 28 April 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

Wed 24/9

12:59-14:15

2 stops17h 16m

London Heathrow

Thu 2/10

17:25-16:20

2 stops54h 55m

£513

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Tue 23/9

10:15-09:50

1 stop15h 35m

London Heathrow

Fri 24/10

12:25-20:39

1 stop16h 14m

£515

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Tue 13/5

14:15-11:45

1 stop13h 30m

London Heathrow

Tue 20/5

14:05-11:56

2 stops29h 51m

£522

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Tue 13/5

09:45-09:50

1 stop16h 05m

London Heathrow

Tue 20/5

12:25-20:22

1 stop15h 57m

£539

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Wed 24/9

07:10-13:10

2 stops22h 00m

London Heathrow

Thu 2/10

10:55-16:20

1 stop13h 25m

£542

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Sat 13/9

13:30-06:30

2 stops33h 00m

London Heathrow

Sun 28/9

06:00-12:23

2 stops38h 23m

£551

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 1/10

07:20-09:35

2 stops18h 15m

London Heathrow

Sun 19/10

06:00-12:23

2 stops38h 23m

£555

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Tue 30/9

12:15-08:55

1 stop12h 40m

London Heathrow

Sun 19/10

06:30-18:20

2 stops19h 50m

£566

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Wed 1/10

12:59-09:50

1 stop12h 51m

London Heathrow

Sun 19/10

10:55-21:46

1 stop18h 51m

£577

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Tue 23/9

10:21-20:20

2 stops25h 59m

London Heathrow

Fri 24/10

21:25-22:30

2 stops33h 05m

£714

Flights are sorted by cheapest return flights first.

Deals found on 27/4

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, January is the cheapest month in which you can book a flight from Orange County to London Heathrow Airport (average of £112). Flying from Orange County to London Heathrow Airport in August is currently the most expensive (average of £164). 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.

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport 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 Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow Airport, 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).

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated 28 April 2025.
Read through reviews of airlines operating flights from Orange County to London, such as Delta, KLM and Air France. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very Good

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.
  • What are the cheapest airlines to fly from Orange County to London Heathrow Airport one-way?

    The cheapet airlines for a one-way flight from Orange County to London Heathrow Airport are Delta (£318), United Airlines (£318), and Air Canada (£330).

  • 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, January is the cheapest month in which you can book a flight from Orange County to London Heathrow Airport (average of £112). Flying from Orange County to London Heathrow Airport in August is currently the most expensive (average of £164). 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 Orange County?

Book flights to Orange County if you plan to visit one of these locations
Deal
Hounslow
Milton Keynes
Gatwick
Luton
Slough
Croydon
Eastbourne
Northampton
Ilford
Hayes
Southend-on-Sea
Crawley
Wembley
Ipswich
Maidstone
Winchester
Swindon
Folkestone
Dartford

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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.

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