HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
London

$354+ 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 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
SNA — LON
May 6 — May 131
Tue 5/6
Tue 5/13
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.

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 May 1, 2025.

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.
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 ($53 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 May 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 May 1, 2025.

This Delta deal was found by Cheapflights users on 4/29. 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 12/21:35 pmSNA - LHR
1 stop12h 25mDelta
Tue 12/1612:20 pmLHR - SNA
1 stop17h 59mDelta
Deal found 4/29$638
This Bravofly deal was found by Cheapflights users on 4/30. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/237:10 amLGB - LHR
2 stops20h 10mVirgin Atlantic
Fri 10/246:00 pmLHR - LGB
2 stops30h 20mVirgin Atlantic
Deal found 4/30$692
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Tue 5/133:36 pmSNA - LHR
1 stop12h 44mUnited Airlines
Tue 5/202:05 pmLHR - SNA
2 stops29h 51mUnited Airlines
Deal found 4/29$695
This KLM deal was found by Cheapflights users on 4/29. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/139:45 amSNA - LHR
1 stop16h 05mKLM
Tue 5/2010:55 amLHR - SNA
1 stop13h 16mKLM
Deal found 4/29$718
This Delta deal was found by Cheapflights users on 4/30. 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 9/2212:59 pmLGB - LHR
1 stop12h 51mDelta
Mon 10/612:25 pmLHR - LGB
2 stops17h 21mDelta
Deal found 4/30$733
This Virgin Atlantic deal was found by Cheapflights users on 4/29. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/32:28 pmSNA - LHR
1 stop15h 02mVirgin Atlantic
Thu 8/148:40 amLHR - SNA
2 stops19h 48mVirgin Atlantic
Deal found 4/29$799
This Priceline deal was found by Cheapflights users on 4/29. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/31:30 pmSNA - LHR
2 stops33h 05mAir Canada
Thu 8/149:30 amLHR - SNA
2 stops34h 59mAir Canada
Deal found 4/29$805
This Mytrip deal was found by Cheapflights users on 4/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/74:27 pmSNA - LGW
2 stops30h 28mMultiple Airlines
Tue 6/1710:00 amLGW - SNA
2 stops29h 16mMultiple Airlines
Deal found 4/30$840
This Booking.com deal was found by Cheapflights users on 4/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/141:35 pmSNA - LHR
1 stop15h 45mMultiple Airlines
Mon 5/195:30 pmLHR - SNA
2 stops35h 19mMultiple Airlines
Deal found 4/30$918
This Cheapflightsfares deal was found by Cheapflights users on 4/30. 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 5/131:20 pmSNA - LCY
2 stops19h 05mLufthansa
Tue 5/208:45 amLCY - SNA
2 stops20h 10mLufthansa
Deal found 4/30$1,000
This oojo deal was found by Cheapflights users on 4/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/61:30 pmSNA - LHR
2 stops16h 25mAer Lingus
Tue 5/138:50 amLHR - SNA
2 stops22h 05mAer Lingus
Deal found 4/29$1,009
This Bravofly deal was found by Cheapflights users on 4/30. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/111:15 pmLGB - LHR
2 stops17h 00mMultiple Airlines
Sun 9/1410:55 amLHR - LGB
1 stop18h 51mMultiple Airlines
Deal found 4/30$1,054

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 May 1, 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

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 9/17

8:40 am-12:23 pm

2 stops35h 43m

$656

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 8/27

7:30 am-10:00 am

2 stops18h 30m

London Heathrow

Wed 9/17

2:10 pm-12:23 pm

1 stop30h 13m

$664

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Tue 9/23

7:10 am-11:20 am

2 stops20h 10m

London Heathrow

Fri 10/24

6:00 pm-4:20 pm

2 stops30h 20m

$692

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Tue 5/13

3:36 pm-12:20 pm

1 stop12h 44m

London Heathrow

Tue 5/20

2:05 pm-11:56 am

2 stops29h 51m

$695

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Tue 5/13

6:45 am-11:00 am

2 stops20h 15m

London Heathrow

Tue 5/20

9:55 am-10:27 pm

2 stops20h 32m

$708

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Tue 5/13

9:45 am-9:50 am

1 stop16h 05m

London Heathrow

Tue 5/20

10:55 am-4:11 pm

1 stop13h 16m

$718

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Mon 9/22

12:59 pm-9:50 am

1 stop12h 51m

London Heathrow

Mon 10/6

12:25 pm-9:46 pm

2 stops17h 21m

$733

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Sun 8/3

2:28 pm-1:30 pm

1 stop15h 02m

London Heathrow

Thu 8/14

8:40 am-8:28 pm

2 stops19h 48m

$799

Santa AnaLondon

SNA - LGW

SNALGW

Santa Ana J. Wayne/Orange Cnty

Sat 6/7

4:27 pm-6:55 am

2 stops30h 28m

London Gatwick

Tue 6/17

10:00 am-7:16 am

2 stops29h 16m

$840

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Thu 5/15

2:15 pm-1:30 pm

1 stop15h 15m

London Heathrow

Wed 5/21

6:15 am-4:11 pm

2 stops17h 56m

$917

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 56 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, 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 $1,103). 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 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 May 1, 2025.

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

Plan your trip to London by taking into account the average rainfall totals 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

Plan your trip to London by taking into account the average temperature totals 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

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 May 1, 2025.
To help decide which airline to fly from Orange County to London, see what other customers have to say about Delta, KLM and Finnair. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,934 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

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

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

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

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

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

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

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

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

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

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

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.

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

  • 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, 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 $1,103). 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

Traveling to a place near Orange County?

Book flights to Orange County if you plan to visit one of these locations
Hayes
Hounslow
Thornton Heath
Luton
Horley
Canterbury
Harrow
Wembley
Dover
Gatwick
Orpington
Watford
Croydon
Borehamwood
Folkestone
Ilford
Aylesbury
Sutton
Chelmsford
Brentwood

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

Top 4 airlines flying from Orange County to London

Discover the top 4 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest$543Average$954FlexibilityNo cancel feeOn-time72%
DeltaCheapest$612Average$1,007FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$620Average$1,067FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$662Average$875FlexibilityNo cancel feeOn-time69%

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.