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

The cheapest airlines for a one-way flight from Orange County to United Kingdom are United Airlines ($400), Virgin Atlantic ($410), and Delta ($423).

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

Users have found that booking a flight from Orange County to United Kingdom at least 54 days early can save you up to 13% on average compared to booking a flight this week. If booking 54 days before your flight isn’t an option for you, users have found flights from Orange County to United Kingdom for as little as $715 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $959 for flights departing within the next 3 days.

What is the cheapest month to fly from Orange County to United Kingdom?

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, October can be a great choice for travel to United Kingdom. Flights to United Kingdom from Orange County in October are about $745 on average during October, but can be found for as low as $440.

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

Yes. In addition to deals on Orange County to United Kingdom flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Orange County to United Kingdom?

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

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

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

$703+ Flights from Orange County to the United Kingdom

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Cheap flight deals from Orange County to United Kingdom

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$662 (Billigflug)
One-way from	$395 (Mytrip)
Popular in	June
Cheapest in	October
Average price	$645

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.

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From Orange County to United Kingdom

Search Deals

One-way flight from Orange County to United Kingdom

Search Deals

Highest demand for flights based on searches. 13% potential increase in price ($119 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

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Find flight deals from Orange County to United Kingdom

Cheapest flights from Orange County to United Kingdom
Explore the most affordable flight options available from Orange County to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 2, 2025.

Thu 4/171:10 pmSNA - LHR

1 stop16h 00mVirgin Atlantic

Wed 4/3012:45 pmLHR - SNA

1 stop15h 40mVirgin Atlantic

Deal found 4/1

$662

Tue 9/301:25 pmSNA - EDI

2 stops33h 55mAir Canada

Tue 10/219:00 amEDI - SNA

2 stops35h 23mAir Canada

Deal found 4/1

$669

Tue 9/307:00 amSNA - EDI

2 stops17h 05mUnited Airlines

Tue 10/2111:30 amEDI - SNA

1 stop18h 20mUnited Airlines

Deal found 4/1

$671

Fri 4/187:10 amLGB - LHR

1 stop18h 40mDelta

Wed 4/3011:45 amLHR - LGB

2 stops18h 00mDelta

Deal found 4/1

$672

Thu 4/177:40 amSNA - LHR

1 stop19h 40mDelta

Wed 4/3011:45 amLHR - SNA

2 stops18h 10mDelta

Deal found 4/1

$672

Fri 4/1812:30 pmSNA - LHR

2 stops39h 20mAir Canada

Tue 4/292:05 pmLHR - SNA

2 stops38h 25mAir Canada

Deal found 4/1

$681

Tue 5/132:15 pmSNA - LHR

1 stop15h 15mKLM

Tue 5/209:20 amLHR - SNA

1 stop16h 12mKLM

Deal found 4/1

$686

Thu 4/1711:00 amSNA - LHR

1 stop15h 25mUnited Airlines

Tue 4/297:25 amLHR - SNA

2 stops19h 04mUnited Airlines

Deal found 4/1

$693

Thu 4/177:10 amLGB - LHR

2 stops22h 20mMultiple Airlines

Mon 4/211:05 pmLHR - LGB

2 stops35h 11mMultiple Airlines

Deal found 3/31

$701

Tue 5/137:58 pmSNA - LGW

2 stops26h 57mMultiple Airlines

Tue 5/208:50 amLGW - SNA

3 stops35h 42mMultiple Airlines

Deal found 3/31

$709

Mon 4/2811:18 amSNA - BHX

2 stops21h 32mDelta

Mon 5/56:00 amBHX - SNA

2 stops22h 25mDelta

Deal found 4/1

$724

Tue 4/81:30 pmLGB - LHR

1 stop12h 20mVirgin Atlantic

Fri 5/26:15 pmLHR - LGB

2 stops30h 01mVirgin Atlantic

Deal found 4/1

$726

Best flights from Orange County to United Kingdom
Discover carefully curated flight deals from Orange County to United Kingdom that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 2, 2025.

Thu 4/171:10 pmSNA - LHR

1 stop16h 00mVirgin Atlantic

Wed 4/3012:45 pmLHR - SNA

1 stop15h 40mVirgin Atlantic

Deal found 4/1

$662

Fri 4/187:10 amLGB - LHR

1 stop18h 40mDelta

Wed 4/3011:45 amLHR - LGB

2 stops18h 00mDelta

Deal found 4/1

$672

Thu 4/1711:18 amSNA - LHR

1 stop18h 57mKLM

Wed 4/3011:00 amLHR - SNA

1 stop18h 55mKLM

Deal found 4/1

$677

Fri 4/1812:30 pmSNA - LHR

2 stops39h 20mAir Canada

Tue 4/292:05 pmLHR - SNA

2 stops38h 25mAir Canada

Deal found 4/1

$681

Thu 4/1711:00 amSNA - LHR

1 stop15h 25mUnited Airlines

Tue 4/297:25 amLHR - SNA

2 stops19h 04mUnited Airlines

Deal found 4/1

$693

Thu 4/177:10 amLGB - LHR

2 stops22h 20mMultiple Airlines

Mon 4/211:05 pmLHR - LGB

2 stops35h 11mMultiple Airlines

Deal found 3/31

$701

Wed 4/3011:00 amSNA - LHR

2 stops21h 40mLufthansa

Mon 5/128:25 pmLHR - SNA

2 stops32h 30mLufthansa

Deal found 3/30

$764

Thu 4/179:31 amSNA - LHR

1 stop17h 19mIberia

Tue 4/2912:00 pmLHR - SNA

1 stop16h 11mIberia

Deal found 4/1

$804

Sat 9/203:07 pmSNA - GLA

2 stops35h 23mBritish Airways

Thu 12/118:55 amGLA - SNA

2 stops20h 48mBritish Airways

Deal found 4/1

$837

Tue 4/298:59 amSNA - LGW

2 stops21h 41mIcelandair

Tue 5/61:00 pmLGW - SNA

2 stops17h 28mIcelandair

Deal found 3/31

$843

Mon 5/191:30 pmSNA - LHR

1 stop14h 45mFinnair

Mon 6/212:15 pmLHR - SNA

1 stop18h 04mFinnair

Deal found 4/1

$978

Wed 9/107:15 amSNA - LHR

2 stops26h 25mScandinavian Airlines

Wed 9/247:05 amLHR - SNA

3 stops19h 16mScandinavian Airlines

Deal found 4/1

$987

Last-minute flights from Orange County to United Kingdom
Discover last-minute flight deals from Orange County to United Kingdom. Data last updated April 2, 2025 and is based on user searches.

Sun 4/67:10 amLGB - LHR

2 stops23h 05mKLM

Thu 4/105:10 pmLHR - LGB

2 stops36h 35mKLM

Deal found 3/31

$1,157

Sun 4/65:05 pmLGB - LCY

2 stops32h 25mKLM

Thu 4/105:50 pmLCY - LGB

2 stops35h 55mKLM

Deal found 3/31

$1,203

Sun 4/65:05 pmLGB - LCY

2 stops18h 35mMultiple Airlines

Fri 4/119:20 amLCY - LGB

2 stops39h 01mMultiple Airlines

Deal found 3/31

$1,896

Tue 4/81:30 pmLGB - LHR

1 stop12h 20mVirgin Atlantic

Fri 5/26:15 pmLHR - LGB

2 stops30h 01mVirgin Atlantic

Deal found 4/1

$726

Tue 4/810:15 amSNA - GLA

2 stops16h 35mIcelandair

Tue 4/152:20 pmGLA - SNA

2 stops40h 10mIcelandair

Deal found 4/1

$1,012

Wed 4/912:00 pmSNA - LHR

1 stop17h 30mKLM

Sun 4/1312:25 pmLHR - SNA

1 stop15h 48mKLM

Deal found 4/1

$732

Wed 4/910:00 amSNA - LHR

2 stops19h 10mVirgin Atlantic

Sun 4/1312:25 pmLHR - SNA

1 stop15h 48mVirgin Atlantic

Deal found 4/1

$737

Wed 4/96:50 amSNA - LHR

2 stops15h 40mMultiple Airlines

Sun 4/139:30 amLHR - SNA

2 stops33h 52mMultiple Airlines

Deal found 4/1

$809

Wed 4/93:11 pmSNA - LGW

2 stops34h 49mMultiple Airlines

Sun 4/136:10 amLGW - SNA

2 stops38h 25mMultiple Airlines

Deal found 4/1

$933

Thu 4/103:36 pmSNA - LHR

1 stop12h 44mUnited Airlines

Mon 4/212:50 pmLHR - SNA

1 stop13h 40mUnited Airlines

Deal found 4/1

$778

Thu 4/1012:30 pmSNA - LHR

2 stops37h 30mAir Canada

Mon 4/212:10 pmLHR - SNA

1 stop29h 12mAir Canada

Deal found 4/1

$839

Fri 4/111:15 pmSNA - LHR

1 stop15h 55mDelta

Tue 4/2210:55 amLHR - SNA

1 stop15h 18mDelta

Deal found 4/1

$792

One-way flights from Orange County to United Kingdom
Search for one-way flight options from Orange County to United Kingdom. Find affordable one-way fares based on user searches. Data last updated April 2, 2025.

Mon 5/194:27 pmSNA - LGW

3 stops29h 53mMultiple Airlines

Deal found 3/30

$395

Tue 4/157:00 amSNA - LHR

1 stop20h 45mUnited Airlines

Deal found 4/1

$400

Wed 4/161:25 pmSNA - LHR

1 stop12h 25mVirgin Atlantic

Deal found 3/31

$410

Fri 5/91:15 pmLGB - LHR

1 stop12h 35mVirgin Atlantic

Deal found 4/1

$412

Mon 5/51:25 pmLGB - LHR

1 stop12h 25mDelta

Deal found 4/1

$423

Thu 5/811:46 amSNA - LHR

1 stop15h 24mDelta

Deal found 4/1

$425

Sun 5/186:15 pmSNA - LHR

3 stops33h 50mMultiple Airlines

Deal found 3/30

$437

Fri 5/97:01 amLGB - LHR

2 stops20h 19mAir France

Deal found 4/1

$438

Tue 5/2712:50 pmSNA - LHR

1 stop15h 15mWestJet

Deal found 3/31

$444

Tue 4/297:45 amSNA - LHR

1 stop15h 05mBritish Airways

Deal found 3/31

$466

Mon 4/2812:00 pmSNA - LCY

2 stops23h 40mVirgin Atlantic

Deal found 3/31

$478

Tue 4/222:28 pmSNA - GLA

2 stops18h 17mBritish Airways

Deal found 3/31

$501

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Thu 4/17

1:10 pm-1:10 pm

1 stop16h 00m

London Heathrow

Wed 4/30

12:45 pm-8:25 pm

1 stop15h 40m

$662

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Fri 4/18

7:10 am-9:50 am

1 stop18h 40m

London Heathrow

Wed 4/30

11:45 am-9:45 pm

2 stops18h 00m

$672

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Thu 4/17

7:40 am-11:20 am

1 stop19h 40m

London Heathrow

Wed 4/30

11:45 am-9:55 pm

2 stops18h 10m

$672

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Fri 4/18

12:30 pm-11:50 am

2 stops39h 20m

London Heathrow

Tue 4/29

2:05 pm-8:30 pm

2 stops38h 25m

$681

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Tue 5/13

2:15 pm-1:30 pm

1 stop15h 15m

London Heathrow

Tue 5/20

9:20 am-5:32 pm

1 stop16h 12m

$686

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Thu 4/17

11:00 am-10:25 am

1 stop15h 25m

London Heathrow

Tue 4/29

7:25 am-6:29 pm

2 stops19h 04m

$693

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Thu 4/17

7:10 am-1:30 pm

2 stops22h 20m

London Heathrow

Mon 4/21

1:05 pm-4:16 pm

2 stops35h 11m

$701

Santa AnaLondon

SNA - LGW

SNALGW

Santa Ana J. Wayne/Orange Cnty

Tue 5/13

7:58 pm-6:55 am

2 stops26h 57m

London Gatwick

Tue 5/20

8:50 am-12:32 pm

3 stops35h 42m

$709

Santa AnaBirmingham

SNA - BHX

SNABHX

Santa Ana J. Wayne/Orange Cnty

Mon 4/28

11:18 am-4:50 pm

2 stops21h 32m

Birmingham

Mon 5/5

6:00 am-8:25 pm

2 stops22h 25m

$724

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Mon 5/19

7:01 am-2:15 pm

2 stops23h 14m

London Heathrow

Mon 6/2

7:15 pm-9:32 pm

2 stops34h 17m

$726

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

Showing 1-10 of 60 results

...

Best time to book a flight from Orange County to United Kingdom

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

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

Currently, November is the cheapest month in which you can book a flight from Orange County to United Kingdom (average of $661). Flying from Orange County to United Kingdom 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 GB?

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

Rainfall in United Kingdom by month

In terms of precipitation, rainfall in United Kingdom 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 United Kingdom when rainfall is around 1.6 in.

Temperature in United Kingdom by month

If weather is an important factor for your trip to United Kingdom, 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 United Kingdom

Peruse reviews from past customers who have flown with Delta, KLM and Finnair from Orange County to United Kingdom to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,898 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

7,898 reviews

Delta

8.0

Very good

7,898 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

1,323 reviews

Delta

8.0

Very good

7,898 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.

Finnair

7.6

Good

1,267 reviews

Delta

8.0

Very good

7,898 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

1,427 reviews

Delta

8.0

Very good

7,898 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

8,616 reviews

Delta

8.0

Very good

7,898 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 United Kingdom one-way?
The cheapest airlines for a one-way flight from Orange County to United Kingdom are United Airlines ($400), Virgin Atlantic ($410), and Delta ($423).
Can I find deals for flights from Orange County to United Kingdom that include hotel bookings?
Yes. In addition to deals on Orange County to United Kingdom flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Orange County to United Kingdom?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Orange County to United Kingdom.
Can I find deals for business class flights from Orange County to United Kingdom?
Yes. Cheapflights offers flight deals from Orange County to United Kingdom 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 United Kingdom?
Currently, November is the cheapest month in which you can book a flight from Orange County to United Kingdom (average of $661). Flying from Orange County to United Kingdom 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

Browse thousands of different options on Cheapflights for your next trip

Top 5 airlines flying from Orange County to United Kingdom

Airline	Cheapest	Average	Flexibility	On-time
Virgin Atlantic	Cheapest$543	Average$945	FlexibilityNo cancel fee	On-time72%
Delta	Cheapest$612	Average$906	FlexibilityNo cancel fee	On-timeN/A
British Airways	Cheapest$620	Average$1,001	FlexibilityNo cancel fee	On-time70%
United Airlines	Cheapest$621	Average$870	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$882	Average$1,247	FlexibilityNo cancel fee	On-time71%

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$395+ Cheap flights from Orange County to the United Kingdom

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 5/19. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Orange County to United Kingdom 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 United Kingdom

Keep the following information in mind while searching for Orange County to United Kingdom flight deals. Data was last updated April 2, 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 United Kingdom

Cheapest flights from Orange County to United KingdomExplore the most affordable flight options available from Orange County to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 2, 2025.

Explore the most affordable flight options available from Orange County to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 2, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Orange County to United Kingdom

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

Cheapflights Insights

Everything you need to know about your flight from Orange County to the United Kingdom

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

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

Find hourly flight availability from Orange County to United Kingdom. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 2, 2025.

Rainfall in United Kingdom by month

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

Temperature in United Kingdom by month

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

Reviews of airlines servicing United Kingdom

Peruse reviews from past customers who have flown with Delta, KLM and Finnair from Orange County to United Kingdom to help guide your decision. You can also see how each airline compares 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 United Kingdom. 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 United Kingdom one-way?

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

How can I find direct flights from Orange County to United Kingdom?

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

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

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 United Kingdom

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

Top 5 airlines flying from Orange County to United Kingdom

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Travel Smart

Cheapest flights from Orange County to United Kingdom
Explore the most affordable flight options available from Orange County to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 2, 2025.