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Cheap flights from Orange County to London Heathrow Airport from £273

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 21/5. Fares are subject to change and may not be available on all flights or dates of travel.
SNA — LHR
10 Apr — 17 Apr1
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 5 April 2025.

Round-trip from

£484

One-way from

£273

Popular in

December

Cheapest in

October

Average price

£516
Delta
  • Delta
  • 15/4-22/4
  • 3 total stops
  • 30h 26m total
  • Orange County to London
Search Deals
21/5
  • 21/5
  • 2 total stops
  • 34h 09m total
  • Orange County to London
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£28 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

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 5 April 2025.

Tue 15/413:25LGB - LHR
1 stop12h 25mDelta
Tue 22/406:15LHR - LGB
2 stops18h 01mDelta
Deal found 4/4£484
Tue 15/413:25SNA - LHR
1 stop12h 25mDelta
Wed 23/406:15LHR - SNA
2 stops19h 48mDelta
Deal found 4/4£484
Thu 17/407:10LGB - LHR
2 stops22h 00mMultiple Airlines
Wed 30/409:40LHR - LGB
2 stops38h 36mMultiple Airlines
Deal found 4/4£504
Sat 3/513:25LGB - LHR
2 stops17h 10mVirgin Atlantic
Sat 10/510:55LHR - LGB
1 stop13h 18mVirgin Atlantic
Deal found 4/4£507
Thu 17/407:10LGB - LHR
2 stops22h 00mAir France
Wed 30/406:15LHR - LGB
2 stops18h 01mAir France
Deal found 4/4£515
Fri 18/412:30SNA - LHR
2 stops39h 20mAir Canada
Tue 29/414:05LHR - SNA
2 stops39h 53mAir Canada
Deal found 4/4£524
Sun 13/409:00SNA - LHR
1 stop20h 10mVirgin Atlantic
Mon 21/412:25LHR - SNA
1 stop16h 00mVirgin Atlantic
Deal found 3/4£525
Tue 2/1212:30SNA - LHR
1 stop13h 40mUnited Airlines
Tue 16/1207:40LHR - SNA
2 stops19h 09mUnited Airlines
Deal found 4/4£533
Wed 3/913:00SNA - LHR
2 stops14h 50mMultiple Airlines
Sun 14/909:30LHR - SNA
2 stops34h 53mMultiple Airlines
Deal found 4/4£570
Thu 15/513:50SNA - LHR
1 stop16h 25mKLM
Thu 5/612:25LHR - SNA
1 stop15h 57mKLM
Deal found 4/4£607
Sat 24/512:50SNA - LHR
1 stop15h 15mWestJet
Wed 28/514:10LHR - SNA
1 stop29h 49mWestJet
Deal found 4/4£736
Mon 14/714:29SNA - LHR
1 stop15h 01mAir France
Thu 24/710:55LHR - SNA
1 stop13h 22mAir France
Deal found 4/4£741

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 5 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

Tue 15/4

07:10-09:50

1 stop18h 40m

London Heathrow

Mon 21/4

06:15-21:45

2 stops23h 30m

£484

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Tue 15/4

13:25-09:50

1 stop12h 25m

London Heathrow

Wed 23/4

06:15-18:03

2 stops19h 48m

£484

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Thu 17/4

07:10-11:20

2 stops20h 10m

London Heathrow

Wed 30/4

12:45-21:45

2 stops17h 00m

£486

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Sat 3/5

13:25-14:35

2 stops17h 10m

London Heathrow

Sat 10/5

10:55-16:13

1 stop13h 18m

£507

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Thu 17/4

07:10-13:10

2 stops22h 00m

London Heathrow

Wed 30/4

06:15-16:16

2 stops18h 01m

£515

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Fri 18/4

12:30-11:50

2 stops39h 20m

London Heathrow

Tue 29/4

14:05-21:58

2 stops39h 53m

£524

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Thu 17/4

11:00-12:20

2 stops17h 20m

London Heathrow

Tue 29/4

07:25-18:29

2 stops19h 04m

£538

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 3/9

13:00-11:50

2 stops14h 50m

London Heathrow

Sun 14/9

09:30-12:23

2 stops34h 53m

£570

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Fri 15/8

10:45-14:15

1 stop19h 30m

London Heathrow

Tue 26/8

10:55-18:06

1 stop15h 11m

£572

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Thu 15/5

13:50-14:15

1 stop16h 25m

London Heathrow

Thu 5/6

12:25-20:22

1 stop15h 57m

£607

Flights are sorted by cheapest return flights first.

Deals found on 3/4

Showing 1-10 of 35 results
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3
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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 5 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.
Delta
8.0
Very Good
7,899 reviews
Check prices

Overall

8.0

Food

7.3

Comfort

8.0

Boarding

8.2

Entertainment

7.9

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.
Delta
8.0
Very Good
7,899 reviews
Delta
8.0
Very Good
7,899 reviews
Check prices

Overall

8.0

Food

7.3

Comfort

8.0

Boarding

8.2

Entertainment

7.9

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.
KLM
7.8
Good
1,322 reviews
Delta
8.0
Very Good
7,899 reviews
Check prices

Overall

8.0

Food

7.3

Comfort

8.0

Boarding

8.2

Entertainment

7.9

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.
Air France
7.4
Good
1,427 reviews
Delta
8.0
Very Good
7,899 reviews
Check prices

Overall

8.0

Food

7.3

Comfort

8.0

Boarding

8.2

Entertainment

7.9

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.
United Airlines
7.4
Good
8,621 reviews
Delta
8.0
Very Good
7,899 reviews
Check prices

Overall

8.0

Food

7.3

Comfort

8.0

Boarding

8.2

Entertainment

7.9

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.
Virgin Atlantic
7.4
Good
640 reviews
Delta
8.0
Very Good
7,899 reviews
Check prices

Overall

8.0

Food

7.3

Comfort

8.0

Boarding

8.2

Entertainment

7.9

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 Virgin Atlantic (£302), Delta (£308), and Air France (£320).

  • 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
Hounslow
Deal
Milton Keynes
Gatwick
Luton
Croydon
Slough
Eastbourne
Northampton
Wembley
Crawley
Winchester
Swindon
Southend-on-Sea
Maidstone
Hayes
Ipswich
Ilford
Southall
Dartford

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Fly with Cheapflights

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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.

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