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

The cheapest airlines for a one-way flight from Orange County to London are Air Canada ($370), United Airlines ($418), and Virgin Atlantic ($420).

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.

What are the most popular airlines that fly from Orange County to London?

Before booking your flight from Orange County to London check out the most popular airlines for this route: American Airlines, British Airways or Delta.

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

To save up to 43% on this flight, we recommend booking at least 56 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Orange County to London from $726 1-2 weeks out and tickets from $977 for flights departing within the next 72 hours.

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

October can be a great time to fly to London from Orange County with a flight ticket averaging about $741. Cheapflights users have found deals in the month of October for as cheap as $440. The most expensive prices can be found in the month of December.

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 vacation 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.

$282+ Flights from Orange County to London

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Orange County to London with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Orange County to London

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$686 (Air Canada)
One-way from	$282 (Kiwi.com)
Popular in	December
Cheapest in	October
Average price	$671

Provider with most accurate pricing for Los Angeles-London (LON) flight deals.

Search Deals

Provider most trusted by Cheapflights users for Los Angeles-London (LON) flights.

Search Deals

From Orange County to London (LON)

Search Deals

One-way flight from Orange County to London (LON)

Search Deals

Highest demand for flights based on searches. 6% potential increase in price ($51 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($21 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 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 April 25, 2025.

Sat 8/231:30 pmSNA - LHR

2 stops36h 30mAir Canada

Thu 9/48:40 amLHR - SNA

2 stops35h 43mAir Canada

Deal found 4/24

$686

Tue 12/212:30 pmSNA - LHR

1 stop13h 40mUnited Airlines

Tue 12/162:30 pmLHR - SNA

2 stops30h 44mUnited Airlines

Deal found 4/24

$691

Wed 8/2710:30 amSNA - LHR

2 stops17h 20mMultiple Airlines

Wed 9/108:40 amLHR - SNA

2 stops35h 43mMultiple Airlines

Deal found 4/24

$697

Tue 5/1312:17 pmSNA - LHR

1 stop17h 13mKLM

Tue 5/206:30 amLHR - SNA

2 stops17h 41mKLM

Deal found 4/25

$704

Wed 10/110:15 amSNA - LHR

1 stop15h 35mVirgin Atlantic

Wed 10/1511:00 amLHR - SNA

1 stop18h 57mVirgin Atlantic

Deal found 4/24

$714

Sun 8/2411:55 amSNA - LHR

1 stop15h 15mDelta

Tue 9/912:25 pmLHR - SNA

1 stop16h 14mDelta

Deal found 4/24

$718

Fri 5/91:15 pmLGB - LHR

2 stops17h 00mVirgin Atlantic

Thu 5/225:25 pmLHR - LGB

2 stops54h 48mVirgin Atlantic

Deal found 4/25

$729

Fri 5/91:15 pmLGB - LHR

2 stops60h 45mMultiple Airlines

Thu 5/225:30 pmLHR - LGB

2 stops54h 43mMultiple Airlines

Deal found 4/25

$739

Fri 5/91:15 pmLGB - LHR

2 stops60h 45mKLM

Thu 5/2210:55 amLHR - LGB

1 stop13h 18mKLM

Deal found 4/25

$759

Thu 5/224:27 pmSNA - LGW

2 stops30h 28mMultiple Airlines

Thu 5/298:05 amLGW - SNA

3 stops45h 12mMultiple Airlines

Deal found 4/24

$838

Sat 8/2310:45 amSNA - LHR

2 stops22h 55mScandinavian Airlines

Thu 9/49:05 pmLHR - SNA

3 stops29h 20mScandinavian Airlines

Deal found 4/24

$843

Tue 9/1612:08 pmSNA - LCY

2 stops20h 17mMultiple Airlines

Tue 9/239:25 amLCY - SNA

2 stops19h 03mMultiple Airlines

Deal found 4/25

$844

Best flights from Orange County to London
Discover carefully curated flight deals from Orange County to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 25, 2025.

Sat 8/231:30 pmSNA - LHR

2 stops36h 30mAir Canada

Thu 9/48:40 amLHR - SNA

2 stops35h 43mAir Canada

Deal found 4/24

$686

Sat 8/234:00 pmSNA - LHR

1 stop31h 25mUnited Airlines

Thu 9/42:10 pmLHR - SNA

1 stop30h 13mUnited Airlines

Deal found 4/24

$696

Wed 8/2710:30 amSNA - LHR

2 stops17h 20mMultiple Airlines

Wed 9/108:40 amLHR - SNA

2 stops35h 43mMultiple Airlines

Deal found 4/24

$697

Tue 5/1312:17 pmSNA - LHR

1 stop17h 13mKLM

Tue 5/206:30 amLHR - SNA

2 stops17h 41mKLM

Deal found 4/25

$704

Wed 10/110:15 amSNA - LHR

1 stop15h 35mVirgin Atlantic

Wed 10/1511:00 amLHR - SNA

1 stop18h 57mVirgin Atlantic

Deal found 4/24

$714

Sun 8/2411:55 amSNA - LHR

1 stop15h 15mDelta

Tue 9/912:25 pmLHR - SNA

1 stop16h 14mDelta

Deal found 4/24

$718

Sat 8/2310:45 amSNA - LHR

2 stops22h 55mScandinavian Airlines

Thu 9/49:05 pmLHR - SNA

3 stops29h 20mScandinavian Airlines

Deal found 4/24

$843

Tue 5/138:45 amSNA - LCY

2 stops23h 40mLufthansa

Tue 5/208:45 amLCY - SNA

2 stops20h 10mLufthansa

Deal found 4/24

$870

Tue 5/67:00 amSNA - LHR

1 stop15h 20mBrussels Airlines

Tue 5/136:50 amLHR - SNA

2 stops19h 54mBrussels Airlines

Deal found 4/23

$902

Tue 9/233:04 pmSNA - LGW

2 stops15h 36mIcelandair

Tue 10/213:40 pmLGW - SNA

2 stops38h 50mIcelandair

Deal found 4/24

$903

Fri 5/92:45 pmSNA - LHR

1 stop15h 40mIberia

Tue 5/137:45 amLHR - SNA

2 stops20h 23mIberia

Deal found 4/25

$1,137

Mon 5/51:30 pmSNA - LHR

2 stops17h 25mAer Lingus

Wed 5/218:50 amLHR - SNA

2 stops21h 29mAer Lingus

Deal found 4/25

$1,151

Last-minute flights from Orange County to London
Discover last-minute flight deals from Orange County to London. Data last updated April 25, 2025 and is based on user searches.

Wed 4/3012:00 pmSNA - LHR

1 stop17h 30mKLM

Tue 6/310:55 amLHR - SNA

1 stop13h 16mKLM

Deal found 4/25

$1,049

Wed 4/308:45 amSNA - LCY

2 stops23h 40mLufthansa

Tue 6/38:45 amLCY - SNA

2 stops20h 07mLufthansa

Deal found 4/25

$1,101

Fri 5/21:10 pmSNA - LHR

1 stop16h 00mDelta

Fri 5/912:25 pmLHR - SNA

1 stop15h 57mDelta

Deal found 4/25

$1,037

Fri 5/21:25 pmLGB - LHR

1 stop12h 25mKLM

Sun 5/1810:55 amLHR - LGB

1 stop13h 18mKLM

Deal found 4/24

$1,174

Sun 5/41:35 pmSNA - LHR

2 stops38h 15mAir Canada

Fri 5/92:05 pmLHR - SNA

2 stops30h 27mAir Canada

Deal found 4/24

$1,146

Sun 5/411:00 amSNA - LCY

2 stops22h 30mMultiple Airlines

Fri 5/99:25 amLCY - SNA

2 stops19h 24mMultiple Airlines

Deal found 4/24

$1,186

Mon 5/512:51 pmSNA - LHR

2 stops39h 04mMultiple Airlines

Mon 5/121:55 pmLHR - SNA

1 stop30h 04mMultiple Airlines

Deal found 4/23

$869

Mon 5/51:25 pmSNA - LHR

1 stop12h 25mVirgin Atlantic

Wed 5/2111:00 amLHR - SNA

1 stop15h 36mVirgin Atlantic

Deal found 4/25

$956

Mon 5/51:25 pmLGB - LHR

2 stops16h 50mVirgin Atlantic

Wed 5/215:30 pmLHR - LGB

2 stops30h 43mVirgin Atlantic

Deal found 4/25

$981

Mon 5/51:20 pmSNA - LHR

1 stop12h 20mUnited Airlines

Tue 5/1311:25 amLHR - SNA

1 stop13h 50mUnited Airlines

Deal found 4/23

$989

Mon 5/51:30 pmSNA - LHR

2 stops17h 25mAer Lingus

Wed 5/218:50 amLHR - SNA

2 stops21h 29mAer Lingus

Deal found 4/25

$1,151

Mon 5/510:00 amSNA - LGW

2 stops20h 35mIcelandair

Wed 5/213:40 pmLGW - SNA

2 stops33h 55mIcelandair

Deal found 4/25

$1,165

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 April 25, 2025.

Tue 8/512:42 pmSNA - LGW

3 stops37h 03mMultiple Airlines

Deal found 4/25

$282

Mon 10/61:30 pmSNA - LHR

1 stop15h 50mAir Canada

Deal found 4/25

$370

Tue 5/131:35 pmSNA - LHR

1 stop15h 45mUnited Airlines

Deal found 4/24

$418

Mon 10/612:59 pmLGB - LHR

2 stops16h 11mVirgin Atlantic

Deal found 4/25

$420

Tue 8/512:59 pmLGB - LHR

1 stop12h 51mDelta

Deal found 4/25

$423

Thu 10/1612:50 pmSNA - LHR

1 stop15h 15mWestJet

Deal found 4/23

$463

Mon 10/67:55 amSNA - LHR

1 stop14h 55mBritish Airways

Deal found 4/24

$504

Tue 5/61:25 pmSNA - LHR

1 stop12h 25mVirgin Atlantic

Deal found 4/24

$517

Tue 8/512:42 pmSNA - SEN

3 stops26h 23mMultiple Airlines

Deal found 4/25

$519

Sun 7/2710:30 amSNA - LHR

1 stop13h 50mBrussels Airlines

Deal found 4/24

$520

Wed 5/79:45 amSNA - LHR

1 stop16h 05mDelta

Deal found 4/24

$558

Wed 5/711:10 amSNA - LHR

2 stops18h 45mAer Lingus

Deal found 4/24

$595

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

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Sat 8/23

1:30 pm-10:00 am

2 stops36h 30m

London Heathrow

Thu 9/4

8:40 am-12:23 pm

2 stops35h 43m

$686

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Sat 8/23

4:00 pm-7:25 am

1 stop31h 25m

London Heathrow

Thu 9/4

2:10 pm-12:23 pm

1 stop30h 13m

$696

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 8/27

10:30 am-11:50 am

2 stops17h 20m

London Heathrow

Wed 9/10

8:40 am-12:23 pm

2 stops35h 43m

$697

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Tue 5/13

12:17 pm-1:30 pm

1 stop17h 13m

London Heathrow

Tue 5/20

6:30 am-4:11 pm

2 stops17h 41m

$704

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 10/1

10:15 am-9:50 am

1 stop15h 35m

London Heathrow

Wed 10/15

11:00 am-9:57 pm

1 stop18h 57m

$714

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Sun 8/24

11:55 am-11:10 am

1 stop15h 15m

London Heathrow

Tue 9/9

12:25 pm-8:39 pm

1 stop16h 14m

$718

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Fri 5/9

1:15 pm-2:15 pm

2 stops17h 00m

London Heathrow

Thu 5/22

5:25 pm-4:13 pm

2 stops54h 48m

$729

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Fri 5/9

1:15 pm-10:00 am

2 stops60h 45m

London Heathrow

Thu 5/22

5:30 pm-4:13 pm

2 stops54h 43m

$739

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Fri 5/9

1:15 pm-10:00 am

2 stops60h 45m

London Heathrow

Thu 5/22

10:55 am-4:13 pm

1 stop13h 18m

$759

Santa AnaLondon

SNA - LGW

SNALGW

Santa Ana J. Wayne/Orange Cnty

Thu 5/22

4:27 pm-6:55 am

2 stops30h 28m

London Gatwick

Thu 5/29

8:05 am-9:17 pm

3 stops45h 12m

$838

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/25

Showing 1-10 of 57 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 round-trip 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, November is the cheapest month in which you can book a flight from Orange County to London (average of $661). Flying from Orange County to London in June is currently the most expensive (average of $1,110). 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.

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.

Rainfall in London by month

In terms of precipitation, rainfall in London ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London when rainfall is around 1.6 in.

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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing London

To help decide which airline to fly from Orange County to London, see what other customers have to say about Delta, KLM and Air France. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,920 reviews

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

7,920 reviews

Delta

8.0

Very good

7,920 reviews

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

1,333 reviews

Delta

8.0

Very good

7,920 reviews

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

1,444 reviews

Delta

8.0

Very good

7,920 reviews

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

8,685 reviews

Delta

8.0

Very good

7,920 reviews

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

642 reviews

Delta

8.0

Very good

7,920 reviews

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?
The cheapest airlines for a one-way flight from Orange County to London are Air Canada ($370), United Airlines ($418), and Virgin Atlantic ($420).
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 vacation 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, November is the cheapest month in which you can book a flight from Orange County to London (average of $661). Flying from Orange County to London in June is currently the most expensive (average of $1,110). 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

Hayes

Hounslow

Thornton Heath

Luton

Horley

Canterbury

Harrow

Wembley

Dover

Gatwick

Orpington

Watford

Croydon

Borehamwood

Folkestone

Ilford

Aylesbury

Chelmsford

Sutton

Brentwood

Browse thousands of different options on Cheapflights for your next trip

Top 5 airlines flying from Orange County to London

Airline	Cheapest	Average	Flexibility	On-time
Virgin Atlantic	Cheapest$543	Average$945	FlexibilityNo cancel fee	On-time72%
Delta	Cheapest$612	Average$1,007	FlexibilityNo cancel fee	On-timeN/A
British Airways	Cheapest$620	Average$1,067	FlexibilityNo cancel fee	On-time70%
United Airlines	Cheapest$653	Average$867	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$882	Average$1,247	FlexibilityNo cancel fee	On-time71%

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.

$282+ Cheap flights from Orange County to London (LON)

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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Orange County to London with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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 April 25, 2025.

Most accurate provider

Most trusted provider

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 April 25, 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 April 25, 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?

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

Find hourly flight availability from Orange County to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 25, 2025.

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

To help decide which airline to fly from Orange County to London, see what other customers have to say about Delta, KLM and Air France. 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?

Traveling 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.

Top 5 airlines flying from Orange County to London

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 April 25, 2025.