How long is the flight from Orange County to London Heathrow Airport?

Departing from Orange County to London Heathrow Airport will take you 15h 18m. Airlines will cover a distance of 5437 mi. This flight may include one or multiple stops.

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 WestJet (£214), Air Canada (£289), and Virgin Atlantic (£297).

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.

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).

What is the cheapest time of day to fly from KFI to LHR?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Orange County to London Heathrow Airport as you normally would.

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.

£196+ Flights from Orange County to London Heathrow Airport

Cheap flight deals from Orange County to Heathrow

Round-trip from	£425
One-way from	£196
Popular in	December
Cheapest in	September
Average price	£461

Virgin Atlantic
5/11-13/11
4 total stops
79h 43m total
Orange County to London

Search Deals

WestJet
20/1
1 total stop
14h 35m total
Orange County to London

Search Deals

Highest demand for flights based on searches. 12% potential increase in price (£58 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£15 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2025

Search Deals

Find 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 October 2025.

Wed 5/1107:00LGB - LHR

2 stops16h 05mVirgin Atlantic

Thu 13/1114:00LHR - LGB

2 stops63h 38mVirgin Atlantic

Deal found 21/10£425

Mon 20/1007:00LGB - LHR

2 stops22h 10mVirgin Atlantic

Tue 4/1112:30LHR - LGB

2 stops35h 54mVirgin Atlantic

Deal found 20/10£432

Wed 19/1107:00LGB - LHR

2 stops16h 05mVirgin Atlantic

Wed 26/1111:40LHR - LGB

2 stops39h 07mVirgin Atlantic

Deal found 20/10£451

Tue 4/1107:00LGB - LHR

2 stops19h 30mVirgin Atlantic

Thu 13/1117:20LHR - LGB

2 stops60h 18mVirgin Atlantic

Deal found 21/10£454

Sun 26/1007:00LGB - LHR

2 stops21h 40mMultiple Airlines

Tue 11/1112:30LHR - LGB

2 stops41h 08mMultiple Airlines

Deal found 20/10£458

Sun 9/1107:00LGB - LHR

2 stops19h 30mKLM

Mon 17/1120:25LHR - LGB

2 stops27h 42mKLM

Deal found 21/10£463

Tue 21/1011:48SNA - LHR

1 stop13h 07mDelta

Thu 30/1006:20LHR - SNA

2 stops22h 57mDelta

Deal found 20/10£465

Tue 21/1010:35SNA - LHR

1 stop14h 25mBritish Airways

Thu 30/1008:20LHR - SNA

1 stop16h 48mBritish Airways

Deal found 19/10£466

Wed 3/1208:00SNA - LHR

1 stop15h 05mKLM

Wed 10/1210:45LHR - SNA

1 stop13h 40mKLM

Deal found 20/10£471

Wed 10/1212:45SNA - LHR

1 stop14h 55mVirgin Atlantic

Thu 25/1211:40LHR - SNA

2 stops18h 24mVirgin Atlantic

Deal found 21/10£474

Wed 10/1213:50SNA - LHR

1 stop12h 10mDelta

Fri 19/1214:00LHR - SNA

1 stop27h 18mDelta

Deal found 19/10£474

Wed 22/1013:20SNA - LHR

1 stop16h 00mUnited Airlines

Wed 29/1006:35LHR - SNA

2 stops20h 57mUnited Airlines

Deal found 20/10£481

Best flights from Orange County to Heathrow
Discover carefully curated flight deals from Orange County to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 22 October 2025.

Sun 9/1107:00LGB - LHR

2 stops19h 30mKLM

Mon 17/1120:25LHR - LGB

2 stops27h 42mKLM

Deal found 21/10£463

Wed 3/1207:00LGB - LHR

1 stop19h 00mDelta

Wed 10/1210:45LHR - LGB

1 stop19h 00mDelta

Deal found 20/10£471

Tue 4/1109:42SNA - LHR

2 stops15h 18mVirgin Atlantic

Thu 13/1109:40LHR - SNA

2 stops18h 34mVirgin Atlantic

Deal found 19/10£474

Tue 2/1209:30SNA - LHR

1 stop13h 20mMultiple Airlines

Mon 8/1210:05LHR - SNA

1 stop15h 54mMultiple Airlines

Deal found 20/10£508

Mon 3/1119:34SNA - LHR

1 stop27h 51mUnited Airlines

Mon 10/1114:30LHR - SNA

1 stop28h 55mUnited Airlines

Deal found 21/10£528

Tue 2/1213:15SNA - LHR

1 stop12h 45mDelta

Wed 10/1210:45LHR - SNA

1 stop19h 48mDelta

Deal found 19/10£471

Mon 1/1207:00LGB - LHR

2 stops25h 50mVirgin Atlantic

Wed 10/1213:20LHR - LGB

2 stops40h 25mVirgin Atlantic

Deal found 20/10£492

Fri 5/1211:46SNA - LHR

1 stop12h 59mKLM

Fri 12/1211:05LHR - SNA

1 stop17h 13mKLM

Deal found 21/10£508

Wed 4/312:52SNA - LHR

1 stop13h 08mMultiple Airlines

Sun 8/311:55LHR - SNA

1 stop17h 14mMultiple Airlines

Deal found 21/10£514

Wed 10/1213:50SNA - LHR

1 stop12h 10mDelta

Thu 18/1212:20LHR - SNA

1 stop18h 01mDelta

Deal found 19/10£471

Mon 19/112:59LGB - LHR

1 stop13h 01mVirgin Atlantic

Sun 1/220:00LHR - LGB

2 stops57h 49mVirgin Atlantic

Deal found 20/10£493

Sat 6/1217:55LGB - LHR

2 stops29h 10mDelta

Fri 9/111:05LHR - LGB

2 stops18h 44mDelta

Deal found 20/10£474

Sun 7/1209:00SNA - LHR

2 stops18h 25mVirgin Atlantic

Sun 14/1206:30LHR - SNA

2 stops21h 48mVirgin Atlantic

Deal found 21/10£507

Sun 7/1209:00SNA - LHR

1 stop14h 05mDelta

Sun 14/1208:40LHR - SNA

2 stops19h 38mDelta

Deal found 21/10£503

Sat 6/1207:00LGB - LHR

2 stops16h 05mVirgin Atlantic

Sat 13/1211:05LHR - LGB

2 stops42h 40mVirgin Atlantic

Deal found 21/10£510

Fri 27/212:59LGB - LHR

1 stop13h 01mDelta

Tue 3/306:20LHR - LGB

2 stops18h 03mDelta

Deal found 19/10£508

Thu 4/1207:00LGB - LHR

2 stops16h 05mDelta

Fri 9/111:05LHR - LGB

2 stops18h 44mDelta

Deal found 20/10£511

Thu 4/1207:00LGB - LHR

2 stops18h 00mDelta

Thu 11/1215:50LHR - LGB

2 stops28h 26mDelta

Deal found 20/10£511

Thu 11/1207:15SNA - LHR

1 stop21h 35mDelta

Mon 15/1206:30LHR - SNA

2 stops24h 03mDelta

Deal found 20/10£540

Last-minute flights from Orange County to Heathrow
Discover last-minute flight deals from Orange County to Heathrow. Data last updated 22 October 2025 and is based on user searches.

Tue 21/1011:48SNA - LHR

1 stop13h 07mDelta

Thu 30/1006:20LHR - SNA

2 stops22h 57mDelta

Deal found 20/10£465

Tue 21/1010:35SNA - LHR

1 stop14h 25mBritish Airways

Thu 30/1008:20LHR - SNA

1 stop16h 48mBritish Airways

Deal found 19/10£466

Wed 22/1013:20SNA - LHR

1 stop16h 00mUnited Airlines

Wed 29/1006:35LHR - SNA

2 stops20h 57mUnited Airlines

Deal found 20/10£481

Sun 26/1007:00LGB - LHR

2 stops21h 40mMultiple Airlines

Tue 11/1112:30LHR - LGB

2 stops41h 08mMultiple Airlines

Deal found 20/10£458

Mon 27/1013:04LGB - LHR

1 stop13h 56mKLM

Mon 3/1120:25LHR - LGB

2 stops27h 59mKLM

Deal found 20/10£466

Wed 29/1013:04LGB - LHR

1 stop13h 56mVirgin Atlantic

Thu 6/1110:45LHR - LGB

1 stop18h 48mVirgin Atlantic

Deal found 21/10£432

Tue 4/1107:00LGB - LHR

2 stops19h 30mVirgin Atlantic

Thu 13/1117:20LHR - LGB

2 stops60h 18mVirgin Atlantic

Deal found 21/10£454

Tue 4/1110:43SNA - LHR

1 stop15h 17mIberia

Tue 24/215:00LHR - SNA

1 stop15h 13mIberia

Deal found 21/10£471

Tue 4/1109:42SNA - LHR

2 stops15h 18mVirgin Atlantic

Thu 13/1109:40LHR - SNA

2 stops18h 34mVirgin Atlantic

Deal found 19/10£474

Wed 5/1107:00LGB - LHR

2 stops16h 05mVirgin Atlantic

Thu 13/1114:00LHR - LGB

2 stops63h 38mVirgin Atlantic

Deal found 21/10£425

Sun 9/1107:00LGB - LHR

2 stops19h 30mKLM

Mon 17/1120:25LHR - LGB

2 stops27h 42mKLM

Deal found 21/10£463

Wed 19/1107:00LGB - LHR

2 stops16h 05mVirgin Atlantic

Wed 26/1111:40LHR - LGB

2 stops39h 07mVirgin Atlantic

Deal found 20/10£451

One-way flights from Orange County to Heathrow
Search for one-way flight options from Orange County to Heathrow. Find affordable one-way fares based on user searches. Data last updated 22 October 2025.

Tue 20/114:15SNA - LHR

1 stop14h 35mWestJet

Deal found 20/10£196

Sat 17/114:15SNA - LHR

1 stop14h 35mWestJet

Deal found 21/10£214

Tue 14/414:15SNA - LHR

1 stop13h 50mWestJet

Deal found 21/10£232

Fri 31/1020:09SNA - LHR

3 stops28h 56mMultiple Airlines

Deal found 20/10£285

Sun 7/1212:25SNA - LHR

1 stop15h 25mAir Canada

Deal found 20/10£287

Wed 26/1112:25SNA - LHR

1 stop15h 25mAir Canada

Deal found 21/10£289

Wed 26/1107:00LGB - LHR

2 stops16h 05mVirgin Atlantic

Deal found 21/10£295

Tue 17/307:10LGB - LHR

2 stops16h 55mVirgin Atlantic

Deal found 20/10£297

Wed 5/1112:25SNA - LHR

1 stop15h 25mUnited Airlines

Deal found 21/10£297

Wed 3/1207:00LGB - LHR

2 stops16h 05mVirgin Atlantic

Deal found 20/10£300

Tue 4/1113:04LGB - LHR

1 stop12h 56mDelta

Deal found 20/10£301

Tue 4/1118:25SNA - LHR

2 stops18h 10mUnited Airlines

Deal found 21/10£301

Cheapflights Fare Finder

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

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Sun 9/11

07:00-10:30

2 stops19h 30m

London Heathrow

Mon 17/11

20:25-16:07

2 stops27h 42m

£463

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Wed 3/12

07:00-10:00

1 stop19h 00m

London Heathrow

Wed 10/12

10:45-21:45

1 stop19h 00m

£471

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Tue 2/12

13:15-10:00

1 stop12h 45m

London Heathrow

Wed 10/12

10:45-22:33

1 stop19h 48m

£471

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 10/12

13:50-10:00

1 stop12h 10m

London Heathrow

Thu 18/12

12:20-22:21

1 stop18h 01m

£471

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Tue 4/11

09:42-09:00

2 stops15h 18m

London Heathrow

Thu 13/11

09:40-20:14

2 stops18h 34m

£474

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Sat 6/12

17:55-07:05

2 stops29h 10m

London Heathrow

Fri 9/1

11:05-21:49

2 stops18h 44m

£474

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Mon 1/12

07:00-16:50

2 stops25h 50m

London Heathrow

Wed 10/12

13:20-21:45

2 stops40h 25m

£492

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Mon 19/1

12:59-10:00

1 stop13h 01m

London Heathrow

Sun 1/2

20:00-21:49

2 stops57h 49m

£493

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Sun 7/12

09:00-07:05

1 stop14h 05m

London Heathrow

Sun 14/12

08:40-20:18

2 stops19h 38m

£503

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Sun 7/12

09:00-11:25

2 stops18h 25m

London Heathrow

Sun 14/12

06:30-20:18

2 stops21h 48m

£507

Flights are sorted by cheapest return flights first.

Deals found on 19/10

Showing 1-10 of 38 results

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 £433). Flying from Orange County to London Heathrow Airport in January is currently the most expensive (average of £632). 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

How long is the flight from Orange County to London Heathrow Airport?
Departing from Orange County to London Heathrow Airport will take you 15h 18m. Airlines will cover a distance of 5437 mi. This flight may include one or multiple stops.
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 WestJet (£214), Air Canada (£289), and Virgin Atlantic (£297).
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 £433). Flying from Orange County to London Heathrow Airport in January is currently the most expensive (average of £632). 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

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Slough

Gatwick

Hounslow

Northampton

Luton

Wembley

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Hayes

Colchester

Watford

Crawley

Winchester

Swindon

Chichester

Romford

Ipswich

Bedford

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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.

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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Cheap flights from Orange County to London Heathrow Airport from £196

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.

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 22 October 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Orange County to Heathrow

Cheapest flights from Orange County to HeathrowExplore 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 October 2025.

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 October 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Orange County to London Heathrow Airport that are best for you.

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.

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?

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?

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

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

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

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

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

Travelling to a place near London Heathrow Airport?

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.

Alternative routes for Orange County to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.

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?

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

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

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

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Travel Smart

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 October 2025.