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Heathrow

$282+ 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 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
SNA — LHR
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
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 July 31, 2025.

Round-trip from

$517
(lastminute.com)

One-way from

$282
(KAYAK)

Popular in

December

Cheapest in

October

Average price

$779
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. 10% potential increase in price ($86 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 31, 2025.

This lastminute.com deal was found by Cheapflights users on 7/30. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/312:59 pmLGB - LHR
1 stop13h 01mVirgin Atlantic
Wed 12/1012:20 pmLHR - LGB
2 stops17h 26mVirgin Atlantic
Deal found 7/30$517
This Delta deal was found by Cheapflights users on 7/31. 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 9/37:25 amSNA - LHR
1 stop19h 55mDelta
Tue 9/166:15 amLHR - SNA
2 stops20h 25mDelta
Deal found 7/31$522
This Rumbo deal was found by Cheapflights users on 7/30. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/105:07 pmLGB - LHR
1 stop32h 43mMultiple Airlines
Tue 8/268:55 pmLHR - LGB
2 stops32h 48mMultiple Airlines
Deal found 7/30$523
This Delta deal was found by Cheapflights users on 7/29. 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.
Thu 8/147:01 amLGB - LHR
2 stops22h 29mDelta
Thu 8/216:15 amLHR - LGB
2 stops18h 11mDelta
Deal found 7/29$579
This KLM deal was found by Cheapflights users on 7/31. 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.
Wed 9/32:00 pmSNA - LHR
1 stop15h 30mKLM
Sun 9/712:25 pmLHR - SNA
1 stop16h 00mKLM
Deal found 7/31$579
This United Airlines deal was found by Cheapflights users on 7/31. 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.
Mon 10/63:00 pmSNA - LHR
1 stop32h 40mUnited Airlines
Wed 11/192:30 pmLHR - SNA
1 stop28h 51mUnited Airlines
Deal found 7/31$636
This Air Canada deal was found by Cheapflights users on 7/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/221:20 pmSNA - LHR
1 stop16h 00mAir Canada
Tue 10/282:30 pmLHR - SNA
1 stop27h 51mAir Canada
Deal found 7/30$643
This oojo deal was found by Cheapflights users on 7/31. 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.
Sun 8/104:36 pmSNA - LHR
1 stop13h 49mBritish Airways
Thu 8/283:40 pmLHR - SNA
1 stop14h 12mBritish Airways
Deal found 7/31$652
This Iberia deal was found by Cheapflights users on 7/31. 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.
Wed 8/133:05 pmSNA - LHR
1 stop15h 20mIberia
Tue 8/198:20 amLHR - SNA
1 stop19h 37mIberia
Deal found 7/31$658
This Air Canada deal was found by Cheapflights users on 7/31. 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 8/201:25 pmSNA - LHR
2 stops18h 15mMultiple Airlines
Fri 9/59:30 amLHR - SNA
2 stops34h 48mMultiple Airlines
Deal found 7/31$665
This lastminute.com deal was found by Cheapflights users on 7/30. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/151:15 pmLGB - LHR
1 stop12h 35mKLM
Sat 8/3010:55 amLHR - LGB
1 stop13h 31mKLM
Deal found 7/30$671
This Virgin Atlantic deal was found by Cheapflights users on 7/31. 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.
Thu 8/78:00 amSNA - LHR
1 stop21h 10mVirgin Atlantic
Thu 8/141:05 pmLHR - SNA
1 stop17h 07mVirgin Atlantic
Deal found 7/31$683

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 July 31, 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

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Wed 12/3

12:59 pm-10:00 am

1 stop13h 01m

London Heathrow

Wed 12/10

12:20 pm-9:46 pm

2 stops17h 26m

$517

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 9/3

7:25 am-11:20 am

1 stop19h 55m

London Heathrow

Tue 9/16

6:15 am-6:40 pm

2 stops20h 25m

$522

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Sun 8/10

5:07 pm-9:50 am

1 stop32h 43m

London Heathrow

Tue 8/26

8:55 pm-9:43 pm

2 stops32h 48m

$523

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 9/3

2:00 pm-1:30 pm

1 stop15h 30m

London Heathrow

Sun 9/7

12:25 pm-8:25 pm

1 stop16h 00m

$579

Long BeachLondon

LGB - LHR

LGBLHR

Long Beach Municipal

Thu 8/14

7:01 am-1:30 pm

2 stops22h 29m

London Heathrow

Thu 8/21

6:15 am-4:26 pm

2 stops18h 11m

$579

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Mon 10/6

3:00 pm-7:40 am

1 stop32h 40m

London Heathrow

Wed 11/19

2:30 pm-11:21 am

1 stop28h 51m

$636

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 10/22

1:20 pm-1:20 pm

1 stop16h 00m

London Heathrow

Tue 10/28

2:30 pm-11:21 am

1 stop27h 51m

$643

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Sun 8/10

4:36 pm-2:25 pm

1 stop13h 49m

London Heathrow

Thu 8/28

3:40 pm-9:52 pm

1 stop14h 12m

$652

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 8/13

3:05 pm-2:25 pm

1 stop15h 20m

London Heathrow

Tue 8/19

8:20 am-7:57 pm

1 stop19h 37m

$658

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 8/20

1:25 pm-3:40 pm

2 stops18h 15m

London Heathrow

Fri 9/5

9:30 am-12:18 pm

2 stops34h 48m

$665

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Showing 1-10 of 25 results
1
2
3

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 $1,097). 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 July 31, 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.

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 July 31, 2025.
See what other customers who have flown with Delta, KLM, and Air France from Orange County to London Heathrow Airport have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

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
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

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
1,383 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

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
7.5
Good
1,465 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

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
8,900 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

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
655 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

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 WestJet ($282), United Airlines ($398), and British Airways ($401).

  • 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 $1,097). 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 Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Hounslow
Hayes
Thornton Heath
Harrow
Canterbury
Dover
Stratford-upon-Avon
Orpington
Watford
Northampton
Gatwick
Borehamwood
Dartford
Broadway
Aylesbury
Chelmsford
Folkestone
Southend-on-Sea
Chichester
Swindon

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Orange County to Heathrow

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Top 4 airlines flying from Orange County to Heathrow

Discover the top 4 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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest$580Average$777FlexibilityNo cancel feeOn-time72%
British AirwaysCheapest$620Average$839FlexibilityNo cancel feeOn-time70%
DeltaCheapest$622Average$781FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$677Average$849FlexibilityNo cancel feeOn-time69%

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