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 WestJet ($354), Delta ($403), and United Airlines ($418).

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 56 days early can save you up to 42% on average compared to booking a flight this week. If booking 56 days before your flight isn’t an option for you, users have found flights from Orange County to United Kingdom for as little as $726 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 $978 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 December. 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 $740 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.

$933+ Flights from Orange County to the United Kingdom - Compare & Save Big

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Cheap flight deals from Orange County to United Kingdom

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$656 (Air Canada)
One-way from	$354 (Kiwi.com)
Popular in	December
Cheapest in	October
Average price	$711

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

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

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From Orange County to United Kingdom

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One-way flight from Orange County to United Kingdom

Search Deals

Highest demand for flights based on searches. 6% potential increase in price ($53 potential increase over avg. RT price).

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

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Average for round-trip flights in May 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 mayo 1, 2025.

mar. 12/21:35 pmSNA - LHR

1 stop12h 25mDelta

mar. 12/1612:20 pmLHR - SNA

1 stop17h 59mDelta

Deal found 4/29

$638

mar. 9/237:10 amLGB - LHR

2 stops20h 10mVirgin Atlantic

vie. 10/246:00 pmLHR - LGB

2 stops30h 20mVirgin Atlantic

Deal found 4/30

$692

mar. 5/133:36 pmSNA - LHR

1 stop12h 44mUnited Airlines

mar. 5/202:05 pmLHR - SNA

2 stops29h 51mUnited Airlines

Deal found 4/29

$695

mar. 5/139:45 amSNA - LHR

1 stop16h 05mKLM

mar. 5/2010:55 amLHR - SNA

1 stop13h 16mKLM

Deal found 4/29

$718

lun. 5/59:20 pmSNA - EDI

2 stops25h 25mDelta

mar. 5/202:05 pmEDI - SNA

2 stops26h 50mDelta

Deal found 4/29

$725

lun. 9/2212:59 pmLGB - LHR

1 stop12h 51mDelta

lun. 10/612:25 pmLHR - LGB

2 stops17h 21mDelta

Deal found 4/30

$733

mar. 9/306:45 amSNA - EDI

2 stops17h 20mUnited Airlines

mar. 10/219:00 amEDI - SNA

2 stops35h 11mUnited Airlines

Deal found 4/29

$734

lun. 5/51:35 pmSNA - EDI

2 stops57h 45mAir Canada

jue. 5/159:00 amEDI - SNA

2 stops40h 12mAir Canada

Deal found 4/28

$786

mar. 9/2312:59 pmLGB - MAN

2 stops37h 21mMultiple Airlines

vie. 10/245:55 amMAN - LGB

2 stops23h 51mMultiple Airlines

Deal found 4/30

$798

dom. 8/32:28 pmSNA - LHR

1 stop15h 02mVirgin Atlantic

jue. 8/148:40 amLHR - SNA

2 stops19h 48mVirgin Atlantic

Deal found 4/29

$799

dom. 8/31:30 pmSNA - LHR

2 stops33h 05mAir Canada

jue. 8/149:30 amLHR - SNA

2 stops34h 59mAir Canada

Deal found 4/29

$805

sáb. 6/74:27 pmSNA - LGW

2 stops30h 28mMultiple Airlines

mar. 6/1710:00 amLGW - SNA

2 stops29h 16mMultiple Airlines

Deal found 4/30

$840

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 mayo 1, 2025.

mié. 8/2710:30 amSNA - LHR

2 stops17h 20mMultiple Airlines

mié. 9/178:40 amLHR - SNA

2 stops35h 43mMultiple Airlines

Deal found 4/30

$656

mié. 8/277:30 amSNA - LHR

2 stops18h 30mAir Canada

mié. 9/172:10 pmLHR - SNA

1 stop30h 13mAir Canada

Deal found 4/30

$664

mar. 9/237:10 amLGB - LHR

2 stops20h 10mVirgin Atlantic

vie. 10/246:00 pmLHR - LGB

2 stops30h 20mVirgin Atlantic

Deal found 4/30

$692

mar. 5/133:36 pmSNA - LHR

1 stop12h 44mUnited Airlines

mar. 5/202:05 pmLHR - SNA

2 stops29h 51mUnited Airlines

Deal found 4/29

$695

mar. 5/136:45 amSNA - LHR

2 stops20h 15mDelta

mar. 5/209:55 amLHR - SNA

2 stops20h 32mDelta

Deal found 4/29

$708

mar. 5/139:45 amSNA - LHR

1 stop16h 05mKLM

mar. 5/2010:55 amLHR - SNA

1 stop13h 16mKLM

Deal found 4/29

$718

jue. 5/152:15 pmSNA - LHR

1 stop15h 15mAir France

mié. 5/216:15 amLHR - SNA

2 stops17h 56mAir France

Deal found 4/30

$917

mar. 5/131:20 pmSNA - LCY

2 stops19h 05mLufthansa

mar. 5/208:45 amLCY - SNA

2 stops20h 10mLufthansa

Deal found 4/30

$1,000

vie. 7/259:14 amSNA - INV

2 stops17h 01mBritish Airways

mar. 9/23:45 pmINV - SNA

2 stops32h 08mBritish Airways

Deal found 4/30

$1,008

jue. 8/217:16 pmSNA - MAN

2 stops56h 24mIcelandair

vie. 9/261:05 pmMAN - SNA

2 stops17h 12mIcelandair

Deal found 4/28

$1,016

mié. 8/2711:28 amSNA - MAN

2 stops21h 22mAer Lingus

lun. 9/18:55 pmMAN - SNA

2 stops32h 22mAer Lingus

Deal found 4/30

$1,102

mié. 8/277:15 amSNA - LHR

2 stops24h 45mScandinavian Airlines

mié. 9/177:05 amLHR - SNA

3 stops19h 16mScandinavian Airlines

Deal found 4/30

$1,164

Last-minute flights from Orange County to United Kingdom
Discover last-minute flight deals from Orange County to United Kingdom. Data last updated mayo 1, 2025 and is based on user searches.

vie. 5/21:35 pmSNA - LHR

2 stops36h 25mAir Canada

mar. 5/206:00 amLHR - SNA

2 stops38h 32mAir Canada

Deal found 4/29

$1,004

dom. 5/48:00 amSNA - GLA

2 stops24h 10mDelta

jue. 5/156:00 amGLA - SNA

2 stops19h 32mDelta

Deal found 4/28

$842

lun. 5/59:20 pmSNA - EDI

2 stops25h 25mDelta

mar. 5/202:05 pmEDI - SNA

2 stops26h 50mDelta

Deal found 4/29

$725

lun. 5/51:35 pmSNA - EDI

2 stops57h 45mAir Canada

jue. 5/159:00 amEDI - SNA

2 stops40h 12mAir Canada

Deal found 4/28

$786

lun. 5/510:50 amSNA - EDI

1 stop13h 35mUnited Airlines

mié. 5/1411:30 amEDI - SNA

1 stop18h 47mUnited Airlines

Deal found 4/28

$800

lun. 5/59:20 pmSNA - GLA

2 stops31h 40mDelta

vie. 5/166:00 amGLA - SNA

2 stops20h 01mDelta

Deal found 4/28

$848

mar. 5/61:30 pmSNA - LHR

2 stops16h 25mAer Lingus

mar. 5/138:50 amLHR - SNA

2 stops22h 05mAer Lingus

Deal found 4/29

$1,009

mar. 5/69:26 amSNA - EDI

2 stops19h 39mIberia

lun. 5/196:35 pmEDI - SNA

2 stops33h 33mIberia

Deal found 4/29

$1,166

mar. 5/63:36 pmSNA - LHR

1 stop12h 44mLufthansa

mar. 5/132:50 pmLHR - SNA

1 stop14h 05mLufthansa

Deal found 4/29

$1,652

mié. 5/78:59 amSNA - GLA

2 stops20h 26mIcelandair

mié. 5/212:25 pmGLA - SNA

2 stops35h 10mIcelandair

Deal found 4/29

$1,208

mié. 5/74:54 pmLGB - GLA

2 stops15h 16mDelta

mié. 5/216:00 amGLA - LGB

2 stops18h 13mDelta

Deal found 4/29

$2,087

vie. 5/910:00 amSNA - MAN

2 stops41h 40mIcelandair

mié. 5/281:05 pmMAN - SNA

2 stops41h 25mIcelandair

Deal found 4/28

$1,326

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 mayo 1, 2025.

sáb. 8/912:50 pmSNA - LGW

3 stops36h 25mWestJet

Deal found 4/30

$354

sáb. 8/96:45 amSNA - LGW

2 stops21h 00mMultiple Airlines

Deal found 4/30

$376

lun. 7/211:15 pmLGB - LHR

1 stop12h 35mDelta

Deal found 5/1

$403

mar. 5/131:35 pmSNA - LHR

1 stop15h 45mUnited Airlines

Deal found 4/29

$418

dom. 9/287:10 amLGB - LHR

2 stops20h 00mKLM

Deal found 4/29

$465

dom. 7/131:55 pmSNA - LHR

1 stop13h 25mDelta

Deal found 4/30

$493

mié. 8/277:10 amLGB - LHR

1 stop18h 40mVirgin Atlantic

Deal found 4/30

$495

dom. 7/2010:30 amSNA - LHR

1 stop13h 50mBrussels Airlines

Deal found 4/29

$520

mié. 7/234:37 pmSNA - GLA

2 stops18h 03mBritish Airways

Deal found 4/29

$521

lun. 7/214:30 pmSNA - LHR

1 stop12h 20mBritish Airways

Deal found 4/30

$532

dom. 5/41:35 pmSNA - LHR

1 stop15h 45mAir Canada

Deal found 4/29

$555

mié. 7/2311:23 amSNA - LHR

1 stop13h 37mIberia

Deal found 4/29

$573

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

mié. 8/27

10:30 am-11:50 am

2 stops17h 20m

London Heathrow

mié. 9/17

8:40 am-12:23 pm

2 stops35h 43m

$656

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

mié. 8/27

7:30 am-10:00 am

2 stops18h 30m

London Heathrow

mié. 9/17

2:10 pm-12:23 pm

1 stop30h 13m

$664

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

mar. 9/23

7:10 am-11:20 am

2 stops20h 10m

London Heathrow

vie. 10/24

6:00 pm-4:20 pm

2 stops30h 20m

$692

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

mar. 5/13

3:36 pm-12:20 pm

1 stop12h 44m

London Heathrow

mar. 5/20

2:05 pm-11:56 am

2 stops29h 51m

$695

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

mar. 5/13

6:45 am-11:00 am

2 stops20h 15m

London Heathrow

mar. 5/20

9:55 am-10:27 pm

2 stops20h 32m

$708

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

mar. 5/13

9:45 am-9:50 am

1 stop16h 05m

London Heathrow

mar. 5/20

10:55 am-4:11 pm

1 stop13h 16m

$718

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

lun. 9/22

12:59 pm-9:50 am

1 stop12h 51m

London Heathrow

lun. 10/6

12:25 pm-9:46 pm

2 stops17h 21m

$733

Santa AnaEdinburgh

SNA - EDI

SNAEDI

Santa Ana J. Wayne/Orange Cnty

mar. 9/30

6:45 am-8:05 am

2 stops17h 20m

Edinburgh Turnhouse

mar. 10/21

9:00 am-12:11 pm

2 stops35h 11m

$734

Long BeachManchester

LGB - MAN

LGBMAN

Long Beach Municipal

mar. 9/23

12:59 pm-10:20 am

2 stops37h 21m

Manchester

vie. 10/24

5:55 am-9:46 pm

2 stops23h 51m

$798

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

dom. 8/3

2:28 pm-1:30 pm

1 stop15h 02m

London Heathrow

jue. 8/14

8:40 am-8:28 pm

2 stops19h 48m

$799

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

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 $1,103). 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

7,934 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

7,934 reviews

Delta

8.0

Very good

7,934 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

1,334 reviews

Delta

8.0

Very good

7,934 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

1,275 reviews

Delta

8.0

Very good

7,934 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

1,446 reviews

Delta

8.0

Very good

7,934 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

8,696 reviews

Delta

8.0

Very good

7,934 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 WestJet ($354), Delta ($403), and United Airlines ($418).
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 $1,103). 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 4 airlines flying from Orange County to United Kingdom

Airline	Cheapest	Average	Flexibility	On-time
Virgin Atlantic	Cheapest$543	Average$954	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$863	FlexibilityNo cancel fee	On-time69%

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$354+ 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 8/9. 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

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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 mayo 1, 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 mayo 1, 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 mayo 1, 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 mayo 1, 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 4 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 mayo 1, 2025.