HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
London

$245+ 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 2/1. Fares are subject to change and may not be available on all flights or dates of travel.
SNA — LON
Nov 16 — Nov 231
Sun 11/16
Sun 11/23
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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.

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 October 17, 2025.

This lastminute.com deal was found by Cheapflights users on 10/15. 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.
Wed 10/151:04 pmLGB - LHR
2 stops16h 26mVirgin Atlantic
Tue 10/2812:20 pmLHR - LGB
2 stops16h 13mVirgin Atlantic
Deal found 10/15$589
This Rumbo deal was found by Cheapflights users on 10/16. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/11:15 pmLGB - LHR
1 stop12h 45mVirgin Atlantic
Tue 12/161:00 pmLHR - LGB
2 stops40h 44mVirgin Atlantic
Deal found 10/16$594
This lastminute.com deal was found by Cheapflights users on 10/14. 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.
Wed 11/57:00 amLGB - LHR
2 stops16h 05mVirgin Atlantic
Tue 11/1112:30 pmLHR - LGB
2 stops41h 08mVirgin Atlantic
Deal found 10/14$603
This Rumbo deal was found by Cheapflights users on 10/15. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/197:00 amLGB - LHR
2 stops44h 20mMultiple Airlines
Tue 11/412:20 pmLHR - LGB
2 stops17h 13mMultiple Airlines
Deal found 10/15$610
This Finnair deal was found by Cheapflights users on 10/14. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/512:27 pmSNA - LHR
1 stop13h 33mMultiple Airlines
Tue 11/112:10 pmLHR - SNA
1 stop15h 29mMultiple Airlines
Deal found 10/14$618
This Delta deal was found by Cheapflights users on 10/14. 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.
Tue 11/41:04 pmLGB - LHR
1 stop12h 56mDelta
Tue 11/116:20 amLHR - LGB
2 stops23h 18mDelta
Deal found 10/14$621
This Delta deal was found by Cheapflights users on 10/15. 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.
Tue 10/217:15 amSNA - LHR
1 stop20h 05mDelta
Thu 10/306:20 amLHR - SNA
2 stops18h 59mDelta
Deal found 10/15$621
This Delta deal was found by Cheapflights users on 10/15. 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.
Mon 12/11:15 pmLGB - LHR
1 stop12h 45mDelta
Wed 12/248:40 amLHR - LGB
2 stops45h 08mDelta
Deal found 10/15$622
This Cheapflightsfares deal was found by Cheapflights users on 10/15. 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 10/2110:23 amSNA - LHR
1 stop12h 57mBritish Airways
Thu 10/3011:55 amLHR - SNA
1 stop17h 22mBritish Airways
Deal found 10/15$622
This Rumbo deal was found by Cheapflights users on 10/14. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/77:00 amLGB - LHR
2 stops40h 05mMultiple Airlines
Tue 12/2310:45 amLHR - LGB
1 stop19h 03mMultiple Airlines
Deal found 10/14$624
This Delta deal was found by Cheapflights users on 10/15. 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.
Wed 10/159:42 amSNA - LHR
2 stops19h 48mDelta
Wed 10/229:55 amLHR - SNA
2 stops20h 22mDelta
Deal found 10/15$626
This Delta deal was found by Cheapflights users on 10/13. 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.
Wed 11/199:40 amSNA - LHR
2 stops15h 05mDelta
Wed 11/266:30 amLHR - SNA
2 stops21h 15mDelta
Deal found 10/13$627

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 October 17, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$594
(Rumbo)

One-way from

$245
(WestJet)

Popular in

December

Cheapest in

September

Average price

$615
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 ($106 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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 October 17, 2025.
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

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Mon 12/1

1:15 pm-10:00 am

1 stop12h 45m

London Heathrow

Tue 12/16

1:00 pm-9:44 pm

2 stops40h 44m

$594

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Wed 11/5

7:00 am-7:05 am

2 stops16h 05m

London Heathrow

Tue 11/11

12:30 pm-9:38 pm

2 stops41h 08m

$603

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Sun 10/19

7:00 am-11:20 am

2 stops44h 20m

London Heathrow

Tue 11/4

10:45 am-4:24 pm

1 stop13h 39m

$613

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Sun 11/23

7:00 am-8:45 am

2 stops41h 45m

London Heathrow

Tue 12/9

10:45 am-9:44 pm

2 stops18h 59m

$613

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 11/5

12:27 pm-10:00 am

1 stop13h 33m

London Heathrow

Tue 11/11

2:10 pm-9:39 pm

1 stop15h 29m

$618

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Tue 11/4

1:04 pm-10:00 am

1 stop12h 56m

London Heathrow

Tue 11/11

6:20 am-9:38 pm

2 stops23h 18m

$621

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Mon 11/10

7:00 am-10:00 am

1 stop19h 00m

London Heathrow

Thu 11/20

5:50 pm-4:07 pm

2 stops30h 17m

$622

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Wed 12/3

7:00 am-10:00 am

1 stop19h 00m

London Heathrow

Wed 12/24

10:00 am-9:48 pm

2 stops43h 48m

$622

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Wed 12/3

1:15 pm-10:00 am

1 stop12h 45m

London Heathrow

Tue 12/23

11:45 am-9:48 pm

2 stops42h 03m

$622

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Tue 11/18

7:00 am-10:00 am

1 stop19h 00m

London Heathrow

Mon 11/24

10:00 am-4:07 pm

2 stops38h 07m

$622

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/14

Showing 1-10 of 60 results
1
2
3
...
6

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 December is currently the most expensive (average of $941). 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?

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 October 17, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 44% on flights from Orange County to London by exploring options for tickets in the evening.

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

Use this chart to determine the cheapest time to fly round-trip from Orange County to London. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Orange County to London flight should consider departing on Wednesday evenings when fares are most often at their lowest. Thursday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 October 17, 2025.
Read through reviews of airlines operating flights from Orange County to London, such as Delta, Virgin Atlantic, and United Airlines. 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
8.0
Very good
7,980 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

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
8.0
Very good
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

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.
Virgin Atlantic
7.5
Good
670 reviews
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

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
8,980 reviews
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

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
7,456 reviews
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

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?

    Virgin Atlantic, Delta, and KLM can get you from Orange County to London in just under 12h 45m. Your travel time can differ by up to 2h 20m. There are 5438 mi between Orange County and London. This flight may include one or multiple stops.

  • 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 WestJet ($245), Air Canada ($397), and Delta ($403).

  • 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 City 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, 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 December is currently the most expensive (average of $941). 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
Hounslow
Hayes
Ilford
Southend-on-Sea
Harrow
Canterbury
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Gatwick
Borehamwood
Aylesbury
Bedford
Chipping Norton
Wembley
Folkestone
Eastbourne

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.
Los Angeles to Heathrow flights
San Francisco to Heathrow flights
Los Angeles to Gatwick flights
Los Angeles to London City flights
San Francisco to Gatwick flights
San Francisco to London City flights
Los Angeles to Stansted flights
Ontario to Heathrow flights
Los Angeles to Luton flights
Santa Ana to Heathrow flights
San Diego to Heathrow flights
San Francisco to Stansted flights
San Francisco to Luton flights
Las Vegas to Heathrow flights
San Jose to Heathrow flights
San Diego to Gatwick flights
Los Angeles to Edinburgh flights
Sacramento to Heathrow flights
San Francisco to Edinburgh flights
Las Vegas to Gatwick flights
San Diego to London City flights
Oakland to Heathrow flights
Las Vegas to London City flights
Oakland to Gatwick flights
San Jose to Gatwick flights
Ontario to Gatwick flights
Los Angeles to Manchester flights
Ontario to Edinburgh flights
San Francisco to Manchester flights
Burbank to Heathrow flights
Santa Ana to Edinburgh flights
Sacramento to Gatwick flights
Las Vegas to Stansted flights
Los Angeles to Southampton flights
Palm Springs to Heathrow flights
Santa Ana to London City flights
Long Beach to Heathrow flights
San Jose to London City flights
San Jose to Edinburgh flights
Las Vegas to Luton flights
San Francisco to Southend flights
San Francisco to Southampton flights
Ontario to Manchester flights
Las Vegas to Edinburgh flights
Santa Rosa to Heathrow flights
San Diego to Stansted flights
Santa Ana to Manchester flights
Burbank to Manchester flights
Santa Ana to Gatwick flights
Ontario to London City flights

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 October 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest$580Average$972FlexibilityNo cancel feeOn-time72%
British AirwaysCheapest$620Average$1,054FlexibilityNo cancel feeOn-time70%
DeltaCheapest$659Average$877FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$677Average$844FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$1,031Average$1,825FlexibilityNo cancel feeOn-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.