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Heathrow

$370+ Cheap flights from Orange County to Heathrow (LHR)

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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
SNA — LHR
Apr 30 — May 71
Wed 4/30
Wed 5/7
1 adult, Economy
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Cheap flight deals from Orange County to Heathrow

Keep the following information in mind while searching for Orange County to Heathrow flight deals. Data was last updated April 25, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$686
(Air Canada)

One-way from

$370
(Netflights)

Popular in

December

Cheapest in

October

Average price

$671
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 London Heathrow
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One-way flight from Orange County to London Heathrow
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Highest demand for flights based on searches. 6% potential increase in price ($51 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 April 2025
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Find flight deals from Orange County to Heathrow

Cheapest flights from Orange County to Heathrow
Explore the most affordable flight options available from Orange County to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 25, 2025.

This Air Canada deal was found by Cheapflights users on 4/24. 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.
Sat 8/231:30 pmSNA - LHR
2 stops36h 30mAir Canada
Thu 9/48:40 amLHR - SNA
2 stops35h 43mAir Canada
Deal found 4/24$686
This United Airlines deal was found by Cheapflights users on 4/24. 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 12/212:30 pmSNA - LHR
1 stop13h 40mUnited Airlines
Tue 12/162:30 pmLHR - SNA
2 stops30h 44mUnited Airlines
Deal found 4/24$691
This Air Canada deal was found by Cheapflights users on 4/24. 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.
Wed 8/2710:30 amSNA - LHR
2 stops17h 20mMultiple Airlines
Wed 9/108:40 amLHR - SNA
2 stops35h 43mMultiple Airlines
Deal found 4/24$697
This KLM deal was found by Cheapflights users on 4/25. 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 5/1312:17 pmSNA - LHR
1 stop17h 13mKLM
Tue 5/206:30 amLHR - SNA
2 stops17h 41mKLM
Deal found 4/25$704
This Netflights deal was found by Cheapflights users on 4/24. 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 Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/110:15 amSNA - LHR
1 stop15h 35mVirgin Atlantic
Wed 10/1511:00 amLHR - SNA
1 stop18h 57mVirgin Atlantic
Deal found 4/24$714
This Delta deal was found by Cheapflights users on 4/24. 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.
Sun 8/2411:55 amSNA - LHR
1 stop15h 15mDelta
Tue 9/912:25 pmLHR - SNA
1 stop16h 14mDelta
Deal found 4/24$718
This lastminute.com deal was found by Cheapflights users on 4/25. 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.
Fri 5/91:15 pmLGB - LHR
2 stops17h 00mVirgin Atlantic
Thu 5/225:25 pmLHR - LGB
2 stops54h 48mVirgin Atlantic
Deal found 4/25$729
This lastminute.com deal was found by Cheapflights users on 4/25. 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.
Fri 5/91:15 pmLGB - LHR
2 stops60h 45mMultiple Airlines
Thu 5/225:30 pmLHR - LGB
2 stops54h 43mMultiple Airlines
Deal found 4/25$739
This lastminute.com deal was found by Cheapflights users on 4/25. 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.
Fri 5/91:15 pmLGB - LHR
2 stops60h 45mKLM
Thu 5/2210:55 amLHR - LGB
1 stop13h 18mKLM
Deal found 4/25$759
This Scandinavian Airlines deal was found by Cheapflights users on 4/24. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2310:45 amSNA - LHR
2 stops22h 55mScandinavian Airlines
Thu 9/49:05 pmLHR - SNA
3 stops29h 20mScandinavian Airlines
Deal found 4/24$843
This Kiwi.com deal was found by Cheapflights users on 4/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/67:00 amSNA - LHR
1 stop15h 20mBrussels Airlines
Tue 5/136:50 amLHR - SNA
2 stops19h 54mBrussels Airlines
Deal found 4/23$902
This oojo deal was found by Cheapflights users on 4/24. 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 9/233:04 pmSNA - LHR
2 stops21h 16mIcelandair
Tue 10/219:25 pmLHR - SNA
2 stops33h 05mIcelandair
Deal found 4/24$907

Cheapflights Fare Finder

Customize your flight search to find flights from Orange County to Heathrow 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 April 25, 2025.
Use the filters below to find and compare flights from Orange County to London Heathrow Airport that are best for you.

Fly from

Orange County

Fly to

Heathrow

Route

Depart

Return

Price

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Sat 8/23

1:30 pm-10:00 am

2 stops36h 30m

London Heathrow

Thu 9/4

8:40 am-12:23 pm

2 stops35h 43m

$686

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Sat 8/23

4:00 pm-7:25 am

1 stop31h 25m

London Heathrow

Thu 9/4

2:10 pm-12:23 pm

1 stop30h 13m

$696

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 9/10

8:40 am-12:23 pm

2 stops35h 43m

$697

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Tue 5/13

12:17 pm-1:30 pm

1 stop17h 13m

London Heathrow

Tue 5/20

6:30 am-4:11 pm

2 stops17h 41m

$704

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 10/1

10:15 am-9:50 am

1 stop15h 35m

London Heathrow

Wed 10/15

11:00 am-9:57 pm

1 stop18h 57m

$714

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Sun 8/24

11:55 am-11:10 am

1 stop15h 15m

London Heathrow

Tue 9/9

12:25 pm-8:39 pm

1 stop16h 14m

$718

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Fri 5/9

1:15 pm-2:15 pm

2 stops17h 00m

London Heathrow

Thu 5/22

5:25 pm-4:13 pm

2 stops54h 48m

$729

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Fri 5/9

1:15 pm-10:00 am

2 stops60h 45m

London Heathrow

Thu 5/22

5:30 pm-4:13 pm

2 stops54h 43m

$739

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Fri 5/9

1:15 pm-10:00 am

2 stops60h 45m

London Heathrow

Thu 5/22

10:55 am-4:13 pm

1 stop13h 18m

$759

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Sat 8/23

10:45 am-5:40 pm

2 stops22h 55m

London Heathrow

Thu 9/4

9:05 pm-6:25 pm

3 stops29h 20m

$843

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/25

Showing 1-10 of 33 results
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Best time to book a flight from Orange County to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow 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 Heathrow Airport

What is the cheapest month to book a flight from Orange County to London Heathrow Airport?

Currently, November is the cheapest month in which you can book a flight from Orange County to London Heathrow Airport (average of $661). Flying from Orange County to London Heathrow Airport 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 LHR?

Find hourly flight availability from Orange County to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 25, 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 Heathrow Airport as you normally would.

Rainfall in Heathrow by month

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

In terms of precipitation, rainfall in London Heathrow Airport 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 Heathrow Airport when rainfall is around 1.6 in.

Temperature in Heathrow by month

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

If weather is an important factor for your trip to London Heathrow Airport, 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 Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated April 25, 2025.
To help decide which airline to fly from Orange County to London, see what other customers have to say about Delta, KLM and Air France. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,920 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

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
7,920 reviews
Delta
8.0
Very good
7,920 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

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.
KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
7,920 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

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.
Air France
7.4
Good
1,444 reviews
Delta
8.0
Very good
7,920 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

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
8,685 reviews
Delta
8.0
Very good
7,920 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

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
7.4
Good
642 reviews
Delta
8.0
Very good
7,920 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

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 Heathrow. 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 Heathrow Airport one-way?

    The cheapest airlines for a one-way flight from Orange County to London Heathrow Airport are Air Canada ($370), United Airlines ($418), and Virgin Atlantic ($420).

  • Can I find deals for flights from Orange County to Heathrow that include hotel bookings?

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

  • How can I find direct flights from Orange County to Heathrow?

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

  • Can I find deals for business class flights from Orange County to Heathrow?

    Yes. Cheapflights offers flight deals from Orange County to Heathrow 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 Heathrow Airport?

    Currently, November is the cheapest month in which you can book a flight from Orange County to London Heathrow Airport (average of $661). Flying from Orange County to London Heathrow Airport 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

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
Stratford-upon-Avon
Gatwick
Orpington
Watford
Northampton
Croydon
Borehamwood
Folkestone
Ilford
Broadway
Aylesbury

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Alternative routes for Orange County to Heathrow

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 Heathrow

Discover the top 5 airlines that operate flights from Orange County to Heathrow. 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 April 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest$543Average$945FlexibilityNo cancel feeOn-time72%
DeltaCheapest$612Average$1,007FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$620Average$1,067FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$653Average$867FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$882Average$1,247FlexibilityNo cancel feeOn-time71%

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