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

For one-way options, check prices for WestJet. According to our data, you can fly for as low as £257. Users have also found prices from £309 and £327 on Air Canada and Virgin Atlantic, respectively.

What are the most popular routes from Orange County to London?

When deciding which route to take from Orange County to London consider Santa Ana J. Wayne/Orange Cnty - London Heathrow, Santa Ana J. Wayne/Orange Cnty - London Gatwick or Long Beach Municipal - London Heathrow as they are the most popular.

How far in advance should I book a flight from Orange County to London?

Travelers have found it’s best to book a flight 54 days in advance to save up to 13% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 54 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Orange County to London 1-2 weeks in advance for as low as £552, or £741 for flights within the next 24 hours.

What is the cheapest month to fly from Orange County to London?

Our data shows that October tends to be the cheapest month to fly to London from Orange County. Users have commonly found prices around £576 for the month, but tickets can be as low as £340. Due to multiple factors, prepare for potentially higher prices in June.

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

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 as you normally would.

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

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

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

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

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

Yes. Cheapflights offers flight deals from Orange County to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£257+ Flights from Orange County to London

Cheap flight deals from Orange County to London

Round-trip from	£548
One-way from	£257
Popular in	June
Cheapest in	October
Average price	£522

Virgin Atlantic
20/4-6/5
4 total stops
65h 37m total
Orange County to London

Search Deals

WestJet
8/4
1 total stop
14h 45m total
Orange County to London

Search Deals

Highest demand for flights based on searches. 13% potential increase in price (£71 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 March 2025

Search Deals

Find flight deals from Orange County to London

Cheapest flights from Orange County to London
Explore the most affordable flight options available from Orange County to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 March 2025.

Sun 5/1013:25SNA - LHR

2 stops36h 35mAir Canada

Wed 15/1008:40LHR - SNA

2 stops35h 43mAir Canada

Deal found 30/3£525

Tue 2/1212:30SNA - LHR

1 stop13h 40mUnited Airlines

Tue 16/1207:40LHR - SNA

2 stops19h 09mUnited Airlines

Deal found 29/3£535

Sun 20/417:00LGB - LHR

2 stops33h 00mMultiple Airlines

Tue 6/520:55LHR - LGB

2 stops32h 37mMultiple Airlines

Deal found 29/3£548

Wed 24/912:59LGB - LHR

2 stops17h 16mVirgin Atlantic

Wed 22/1017:25LHR - LGB

2 stops30h 54mVirgin Atlantic

Deal found 29/3£555

Fri 18/407:10LGB - LHR

1 stop18h 40mDelta

Wed 30/406:30LHR - LGB

2 stops17h 46mDelta

Deal found 29/3£578

Thu 17/411:18SNA - LHR

1 stop16h 02mDelta

Wed 30/406:30LHR - SNA

2 stops19h 33mDelta

Deal found 29/3£578

Tue 13/519:58SNA - LGW

2 stops26h 57mMultiple Airlines

Tue 20/509:40LGW - SNA

3 stops34h 52mMultiple Airlines

Deal found 29/3£620

Fri 2/513:10SNA - LHR

1 stop16h 00mKLM

Sat 17/509:20LHR - SNA

1 stop16h 12mKLM

Deal found 29/3£627

Mon 8/910:45SNA - LHR

2 stops22h 55mScandinavian Airlines

Tue 30/921:05LHR - SNA

3 stops29h 20mScandinavian Airlines

Deal found 30/3£637

Wed 30/406:50SNA - LHR

2 stops15h 40mMultiple Airlines

Tue 3/606:00LHR - SNA

2 stops38h 22mMultiple Airlines

Deal found 29/3£640

Sun 4/507:10LGB - LHR

2 stops22h 35mAir France

Mon 19/506:15LHR - LGB

2 stops17h 58mAir France

Deal found 29/3£660

Thu 17/413:20SNA - LHR

2 stops18h 20mLufthansa

Tue 29/407:25LHR - SNA

2 stops17h 47mLufthansa

Deal found 29/3£672

Best flights from Orange County to London
Discover carefully curated flight deals from Orange County to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 March 2025.

Sun 20/417:00LGB - LHR

2 stops33h 00mMultiple Airlines

Tue 6/520:55LHR - LGB

2 stops32h 37mMultiple Airlines

Deal found 29/3£548

Wed 24/912:59LGB - LHR

2 stops17h 16mVirgin Atlantic

Wed 22/1017:25LHR - LGB

2 stops30h 54mVirgin Atlantic

Deal found 29/3£555

Fri 18/412:30SNA - LHR

2 stops39h 20mAir Canada

Tue 29/414:05LHR - SNA

2 stops35h 07mAir Canada

Deal found 29/3£568

Thu 17/410:20SNA - LHR

1 stop17h 15mUnited Airlines

Tue 29/407:25LHR - SNA

2 stops19h 04mUnited Airlines

Deal found 29/3£577

Fri 18/407:10LGB - LHR

1 stop18h 40mDelta

Wed 30/406:30LHR - LGB

2 stops17h 46mDelta

Deal found 29/3£578

Fri 2/513:10SNA - LHR

1 stop16h 00mKLM

Sat 17/509:20LHR - SNA

1 stop16h 12mKLM

Deal found 29/3£627

Mon 8/910:45SNA - LHR

2 stops22h 55mScandinavian Airlines

Tue 30/921:05LHR - SNA

3 stops29h 20mScandinavian Airlines

Deal found 30/3£637

Sun 4/507:10LGB - LHR

2 stops22h 35mAir France

Mon 19/506:15LHR - LGB

2 stops17h 58mAir France

Deal found 29/3£660

Thu 17/413:20SNA - LHR

2 stops18h 20mLufthansa

Tue 29/407:25LHR - SNA

2 stops17h 47mLufthansa

Deal found 29/3£672

Thu 24/415:09SNA - LGW

2 stops15h 31mIcelandair

Tue 6/513:00LGW - SNA

2 stops17h 28mIcelandair

Deal found 29/3£715

Tue 6/512:50SNA - LHR

1 stop15h 15mWestJet

Wed 18/614:10LHR - SNA

1 stop29h 49mWestJet

Deal found 29/3£826

Fri 11/413:10SNA - LHR

2 stops35h 55mAer Lingus

Sun 20/422:00LHR - SNA

2 stops30h 07mAer Lingus

Deal found 29/3£1,008

Last-minute flights from Orange County to London
Discover last-minute flight deals from Orange County to London. Data last updated 30 March 2025 and is based on user searches.

Sun 30/307:10LGB - LHR

2 stops19h 15mAir France

Tue 15/410:55LHR - LGB

1 stop13h 21mAir France

Deal found 29/3£795

Fri 4/413:10SNA - LHR

2 stops16h 15mAer Lingus

Mon 7/421:10LHR - SNA

2 stops30h 57mAer Lingus

Deal found 28/3£1,048

Fri 4/413:20SNA - LHR

1 stop14h 45mWestJet

Sun 6/414:10LHR - SNA

1 stop30h 25mWestJet

Deal found 29/3£1,168

Sat 5/412:12SNA - LHR

1 stop15h 23mLufthansa

Mon 7/411:25LHR - SNA

1 stop13h 47mLufthansa

Deal found 29/3£1,038

Sun 13/417:05LGB - LCY

2 stops15h 35mDelta

Sun 20/413:45LCY - LGB

2 stops16h 00mDelta

Deal found 28/3£793

Thu 17/410:20SNA - LHR

1 stop17h 15mUnited Airlines

Tue 29/407:25LHR - SNA

2 stops19h 04mUnited Airlines

Deal found 29/3£577

Thu 17/411:18SNA - LHR

1 stop16h 02mDelta

Wed 30/406:30LHR - SNA

2 stops19h 33mDelta

Deal found 29/3£578

Thu 17/413:20SNA - LHR

2 stops18h 20mLufthansa

Tue 29/407:25LHR - SNA

2 stops17h 47mLufthansa

Deal found 29/3£672

Fri 18/412:30SNA - LHR

2 stops39h 20mAir Canada

Wed 30/414:05LHR - SNA

2 stops38h 50mAir Canada

Deal found 29/3£568

Fri 18/407:10LGB - LHR

1 stop18h 40mDelta

Wed 30/406:30LHR - LGB

2 stops17h 46mDelta

Deal found 29/3£578

Sun 20/417:00LGB - LHR

2 stops33h 00mMultiple Airlines

Tue 6/520:55LHR - LGB

2 stops32h 37mMultiple Airlines

Deal found 29/3£548

Thu 24/415:09SNA - LGW

2 stops15h 31mIcelandair

Tue 6/513:00LGW - SNA

2 stops17h 28mIcelandair

Deal found 29/3£715

One-way flights from Orange County to London
Search for one-way flight options from Orange County to London. Find affordable one-way fares based on user searches. Data last updated 30 March 2025.

Tue 8/413:20SNA - LHR

1 stop14h 45mWestJet

Deal found 29/3£257

Sun 4/513:35SNA - LHR

1 stop15h 45mAir Canada

Deal found 30/3£309

Sun 20/412:00SNA - LHR

2 stops17h 10mVirgin Atlantic

Deal found 29/3£327

Sun 4/507:10LGB - LHR

2 stops22h 00mAir France

Deal found 30/3£355

Thu 1/515:58SNA - LHR

1 stop14h 17mDelta

Deal found 30/3£365

Sat 14/612:50SNA - LGW

2 stops36h 25mWestJet

Deal found 29/3£402

Sun 11/515:14SNA - LHR

1 stop13h 01mBritish Airways

Deal found 30/3£404

Sun 11/510:25SNA - LHR

2 stops19h 10mIberia

Deal found 30/3£414

Mon 7/713:30SNA - LHR

1 stop15h 50mUnited Airlines

Deal found 30/3£416

Mon 14/712:59LGB - LHR

1 stop12h 51mDelta

Deal found 30/3£419

Sun 20/413:20SNA - LGW

2 stops58h 05mMultiple Airlines

Deal found 29/3£448

Sun 20/415:11SNA - LHR

3 stops34h 24mMultiple Airlines

Deal found 29/3£455

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Sun 20/4

17:00-10:00

2 stops33h 00m

London Heathrow

Tue 6/5

20:55-21:32

2 stops32h 37m

£548

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Wed 24/9

12:59-14:15

2 stops17h 16m

London Heathrow

Wed 22/10

17:25-16:19

2 stops30h 54m

£555

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Fri 18/4

12:30-11:50

2 stops39h 20m

London Heathrow

Wed 30/4

14:05-20:55

2 stops38h 50m

£568

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Thu 17/4

07:25-07:25

1 stop16h 00m

London Heathrow

Tue 29/4

07:25-18:29

2 stops19h 04m

£577

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Fri 18/4

07:10-09:50

1 stop18h 40m

London Heathrow

Wed 30/4

06:30-16:16

2 stops17h 46m

£578

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Thu 17/4

11:18-11:20

1 stop16h 02m

London Heathrow

Wed 30/4

06:30-18:03

2 stops19h 33m

£578

Santa AnaLondon

SNA - LGW

SNALGW

Santa Ana J. Wayne/Orange Cnty

Tue 13/5

19:58-06:55

2 stops26h 57m

London Gatwick

Tue 20/5

09:40-12:32

3 stops34h 52m

£620

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Fri 2/5

13:10-13:10

1 stop16h 00m

London Heathrow

Sat 17/5

09:20-17:32

1 stop16h 12m

£627

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Mon 8/9

10:45-17:40

2 stops22h 55m

London Heathrow

Tue 30/9

21:05-18:25

3 stops29h 20m

£637

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 30/4

06:50-06:30

2 stops15h 40m

London Heathrow

Tue 3/6

06:00-12:22

2 stops38h 22m

£640

Flights are sorted by cheapest return flights first.

Deals found on 29/3

Showing 1-10 of 53 results

...

Best time to book a flight from Orange County to London

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

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

Currently, January is the cheapest month in which you can book a flight from Orange County to London (average of £112). Flying from Orange County to London 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 London by month

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

Temperature in London by month

If weather is an important factor for your trip to London, 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 London

Read through reviews of airlines operating flights from Orange County to London, such as Delta, KLM and Finnair. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very Good

7,897 reviews

Check prices

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

7,897 reviews

Delta

8.0

Very Good

7,897 reviews

Check prices

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

1,321 reviews

Delta

8.0

Very Good

7,897 reviews

Check prices

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.

Finnair

7.6

Good

1,267 reviews

Delta

8.0

Very Good

7,897 reviews

Check prices

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

1,425 reviews

Delta

8.0

Very Good

7,897 reviews

Check prices

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

8,612 reviews

Delta

8.0

Very Good

7,897 reviews

Check prices

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

What are the cheapest airlines to fly from Orange County to London one-way?
For one-way options, check prices for WestJet. According to our data, you can fly for as low as £257. Users have also found prices from £309 and £327 on Air Canada and Virgin Atlantic, respectively.
What are the most popular routes from Orange County to London?
When deciding which route to take from Orange County to London consider Santa Ana J. Wayne/Orange Cnty - London Heathrow, Santa Ana J. Wayne/Orange Cnty - London Gatwick or Long Beach Municipal - London Heathrow as they are the most popular.
Can I find deals for flights from Orange County to London that include hotel bookings?
Yes. In addition to deals on Orange County to London flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Orange County to London?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Orange County to London.
Can I find deals for business class flights from Orange County to London?
Yes. Cheapflights offers flight deals from Orange County to London 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?
Currently, January is the cheapest month in which you can book a flight from Orange County to London (average of £112). Flying from Orange County to London 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

Hounslow

Deal

Milton Keynes

Gatwick

Croydon

Luton

Slough

Eastbourne

Wembley

Hayes

Ilford

Crawley

Southend-on-Sea

Winchester

Maidstone

Ipswich

Watford

Southall

Dartford

Folkestone

Browse thousands of different options on Cheapflights for your next trip

Fly with Cheapflights

How does Cheapflights help users find flights from Orange County to London?

Cheapflights helps you search for flights from Orange County to London via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to London from Orange County.

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

Certainly. Search results for flights to London from Orange County shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to London from Orange County today and book when prices fit your budget.

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.

Cheap flights from Orange County to London from £257

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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Orange County to London

Keep the following information in mind while searching for Orange County to London flight deals. Data was last updated 30 March 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Orange County to London

Cheapest flights from Orange County to LondonExplore the most affordable flight options available from Orange County to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 March 2025.

Explore the most affordable flight options available from Orange County to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 March 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Orange County to London

Have a flexible travel schedule? Discover the best time to fly to London from Orange County with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Orange County to London

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

Rainfall in London by month

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

Temperature in London by month

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

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated 30 March 2025.

Read through reviews of airlines operating flights from Orange County to London, such as Delta, KLM and Finnair. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Orange County to London. 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 one-way?

What are the most popular routes from Orange County to London?

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

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

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

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

Travelling to a place near Orange County?

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 London

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 London?

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

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

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

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Orange County to London
Explore the most affordable flight options available from Orange County to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 March 2025.