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$395+ 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 3/8. Fares are subject to change and may not be available on all flights or dates of travel.
SNA — LON
Feb 27 — Mar 61
Fri 2/27
Fri 3/6
1 adult, Economy
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Cheap 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 January 28, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/216:39 pm
SNA
-
LHR
2 stops17h 01m
Lufthansa
Tue 5/57:25 am
LHR
-
SNA
2 stops21h 19m
Lufthansa
Deal found 1/26$623
This United Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/2612:25 pm
SNA
-
LHR
1 stop15h 25m
United Airlines
Sat 3/76:35 am
LHR
-
SNA
2 stops20h 00m
United Airlines
Deal found 1/26$626
This United Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/17:50 am
SNA
-
LHR
1 stop15h 35m
United Airlines
Tue 3/176:35 am
LHR
-
SNA
2 stops21h 15m
United Airlines
Deal found 1/28$628
This Delta deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/278:00 am
SNA
-
LHR
1 stop15h 05m
Delta
Thu 3/56:30 am
LHR
-
SNA
2 stops17h 44m
Delta
Deal found 1/27$631
This Air Canada deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2112:25 pm
SNA
-
LHR
1 stop16h 55m
Air Canada
Tue 5/56:00 am
LHR
-
SNA
2 stops38h 20m
Air Canada
Deal found 1/26$632
This Delta deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/267:30 am
SNA
-
LHR
1 stop19h 00m
Delta
Thu 3/56:30 am
LHR
-
SNA
2 stops17h 44m
Delta
Deal found 1/27$634
This lastminute.com deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/231:15 pm
LGB
-
LHR
2 stops33h 50m
Virgin Atlantic
Sun 3/811:05 am
LHR
-
LGB
2 stops17h 27m
Virgin Atlantic
Deal found 1/26$641
This United Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/127:19 am
SNA
-
LHR
1 stop17h 06m
United Airlines
Thu 3/1911:30 am
LHR
-
SNA
2 stops31h 52m
United Airlines
Deal found 1/26$641
This Gotogate deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/112:25 pm
SNA
-
LHR
2 stops34h 45m
Multiple Airlines
Tue 3/176:30 am
LHR
-
SNA
2 stops21h 20m
Multiple Airlines
Deal found 1/28$642
This Iberia deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/211:23 pm
SNA
-
LHR
1 stop14h 47m
Iberia
Tue 5/56:10 am
LHR
-
SNA
2 stops22h 02m
Iberia
Deal found 1/27$647
This lastminute.com deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/281:15 pm
LGB
-
LHR
2 stops19h 35m
Virgin Atlantic
Tue 3/1711:20 am
LHR
-
LGB
2 stops41h 12m
Virgin Atlantic
Deal found 1/27$653
This lastminute.com deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/177:00 am
LGB
-
LHR
2 stops40h 50m
Virgin Atlantic
Tue 3/37:20 pm
LHR
-
LGB
2 stops34h 25m
Virgin Atlantic
Deal found 1/27$654

Find 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 January 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$623
(Cheapflightsfares)

One-way from

$395
(United Airlines)

Popular in

December

Cheapest in

September

Average price

$738
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. 13% potential increase in price ($113 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Orange County to London that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 28, 2026.
Use the filters below to find and compare flights from Orange County to London that are best for you.

Fly from

Orange County

Fly to

London

Route

Depart

Return

Price

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Thu 3/5

12:25 pm-11:50 am

1 stop15h 25m

London Heathrow

Mon 3/9

7:40 am-8:50 pm

2 stops20h 10m

$626

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Fri 2/27

8:00 am-7:05 am

1 stop15h 05m

London Heathrow

Thu 3/5

6:30 am-10:18 pm

2 stops23h 48m

$634

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Thu 2/26

7:30 am-10:30 am

1 stop19h 00m

London Heathrow

Thu 3/5

6:30 am-4:14 pm

2 stops17h 44m

$634

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Sat 2/28

1:15 pm-4:50 pm

2 stops19h 35m

London Heathrow

Tue 3/17

11:20 am-9:32 pm

2 stops41h 12m

$653

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Tue 2/17

7:00 am-7:50 am

2 stops40h 50m

London Heathrow

Tue 3/3

7:20 pm-9:45 pm

2 stops34h 25m

$654

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 2/25

7:10 am-10:00 am

1 stop18h 50m

London Heathrow

Sun 3/8

10:45 am-6:10 pm

1 stop14h 25m

$659

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Wed 3/11

1:05 pm-4:50 pm

2 stops44h 45m

London Heathrow

Wed 3/18

11:05 am-9:32 pm

2 stops17h 27m

$663

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 2/25

7:30 am-10:30 am

1 stop19h 00m

London Heathrow

Sun 3/8

8:55 am-9:12 pm

2 stops20h 17m

$663

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Sun 3/22

5:03 pm-7:05 am

2 stops31h 02m

London Heathrow

Wed 4/1

11:45 am-4:19 pm

2 stops36h 34m

$666

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Mon 3/23

6:45 am-5:55 am

1 stop16h 10m

London Heathrow

Wed 4/29

7:30 am-8:55 pm

2 stops21h 25m

$672

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 60 results
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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, August is the cheapest month in which you can book a flight from Orange County to London (average of $580). Flying from Orange County to London in June is currently the most expensive (average of $899). 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.

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 January 28, 2026.
Read through reviews of airlines operating flights from Orange County to London, such as Delta, United Airlines, and British Airways. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,120 reviews

Food

7.2

Boarding

8.1

Crew

8.5

Entertainment

7.8

Comfort

7.9

Overall

7.9

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
7.9
Good
8,120 reviews
Delta
7.9
Good
8,120 reviews

Food

7.2

Boarding

8.1

Crew

8.5

Entertainment

7.8

Comfort

7.9

Overall

7.9

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
9,206 reviews
Delta
7.9
Good
8,120 reviews

Food

7.2

Boarding

8.1

Crew

8.5

Entertainment

7.8

Comfort

7.9

Overall

7.9

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.
British Airways
6.7
Okay
7,702 reviews
Delta
7.9
Good
8,120 reviews

Food

7.2

Boarding

8.1

Crew

8.5

Entertainment

7.8

Comfort

7.9

Overall

7.9

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

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.

  • How long is the flight from Orange County to London?

    United Airlines, Delta, and Virgin Atlantic can get you from Orange County to London in just under 15h 05m. Your travel time can differ by up to 4h 30m. There are 5437 mi between Orange County and London. This flight may include one or multiple stops.

  • 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, Long Beach Municipal - London Heathrow or Santa Ana J. Wayne/Orange Cnty - London Gatwick 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, August is the cheapest month in which you can book a flight from Orange County to London (average of $580). Flying from Orange County to London in June is currently the most expensive (average of $899). 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

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Ilford
Hounslow
Southend-on-Sea
Harrow
Croydon
Eastleigh
Gatwick
Dartford
Dover
Winchester
Orpington
Watford
Hayes
Borehamwood
Aylesbury
Chipping Norton
Horley
Kingston upon Thames
Eastbourne
Sutton

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Orange County to London

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Orange County to London

Discover the top 5 airlines that operate flights from Orange County to London. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest$580Average$772FlexibilityNo cancel feeOn-time72%
British AirwaysCheapest$588Average$706FlexibilityNo cancel feeOn-time70%
DeltaCheapest$608Average$777FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$677Average$857FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$885Average$1,232FlexibilityNo cancel feeOn-time71%

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