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$245+ Cheap flights from Santa Ana, CA (SNA) 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 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
SNA — LHR
Jan 9 — Jan 161
Fri 1/9
Fri 1/16
1 adult, Economy
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Cheap flight deals from Santa Ana to Heathrow

Cheapest flights from Santa Ana to Heathrow
Explore the most affordable flight options available from Santa Ana to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 10, 2025.

This KLM deal was found by Cheapflights users on 12/9. 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 12/319:53 amSNA - LHR
1 stop16h 07mKLM
Fri 1/911:05 amLHR - SNA
1 stop17h 27mKLM
Deal found 12/9$677
This United Airlines deal was found by Cheapflights users on 12/9. 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.
Wed 12/317:04 amSNA - LHR
1 stop16h 21mUnited Airlines
Fri 1/99:10 amLHR - SNA
2 stops20h 08mUnited Airlines
Deal found 12/9$681
This Delta deal was found by Cheapflights users on 12/9. 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 12/317:00 amSNA - LHR
2 stops16h 05mDelta
Fri 1/98:00 pmLHR - SNA
2 stops23h 49mDelta
Deal found 12/9$682
This United Airlines deal was found by Cheapflights users on 12/10. 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 12/297:05 pmSNA - LHR
1 stop28h 20mUnited Airlines
Thu 1/86:00 pmLHR - SNA
2 stops32h 41mUnited Airlines
Deal found 12/10$721
This Air Canada deal was found by Cheapflights users on 12/9. 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 12/3012:25 pmSNA - LHR
2 stops34h 45mAir Canada
Sat 1/101:00 pmLHR - SNA
2 stops30h 25mAir Canada
Deal found 12/9$722
This United Airlines deal was found by Cheapflights users on 12/9. 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 12/308:55 amSNA - LHR
1 stop16h 45mUnited Airlines
Sat 1/108:00 amLHR - SNA
2 stops21h 42mUnited Airlines
Deal found 12/9$731
This United Airlines deal was found by Cheapflights users on 12/10. 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 12/286:40 pmSNA - LHR
1 stop31h 00mUnited Airlines
Sat 1/108:00 amLHR - SNA
1 stop17h 22mUnited Airlines
Deal found 12/10$732
This FlightHub deal was found by Cheapflights users on 12/8. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:18 pmSNA - LHR
1 stop12h 22mMultiple Airlines
Sat 1/3110:25 amLHR - SNA
1 stop16h 16mMultiple Airlines
Deal found 12/8$734
This FlightHub deal was found by Cheapflights users on 12/8. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:18 pmSNA - LHR
1 stop12h 22mLufthansa
Fri 1/3011:35 amLHR - SNA
1 stop13h 53mLufthansa
Deal found 12/8$769

Find flight deals from Santa Ana to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Santa Ana (SNA) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 10, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$597
(Cheapflightsfares)

One-way from

$245
(Ovago)

Popular in

June

Cheapest in

January

Average price

$1,232
Provider with most accurate pricing for Santa Ana J. Wayne/Orange Cnty-London Heathrow flight deals.
Search Deals
Provider most trusted by Cheapflights users for Santa Ana J. Wayne/Orange Cnty-London Heathrow flights.
Search Deals
From Santa Ana J. Wayne/Orange Cnty to London Heathrow
Search Deals
One-way flight from Santa Ana J. Wayne/Orange Cnty to London Heathrow
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($120 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Santa Ana 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 December 10, 2025.
Use the filters below to find and compare flights from Santa Ana to London Heathrow Airport that are best for you.

Fly from

Santa Ana

Fly to

Heathrow

Route

Depart

Return

Price

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Thu 1/29

6:25 pm-7:25 am

1 stop29h 00m

London Heathrow

Mon 2/2

2:30 pm-11:25 am

1 stop28h 55m

$629

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 1/28

7:50 pm-7:25 am

1 stop27h 35m

London Heathrow

Tue 2/3

2:30 pm-11:25 am

1 stop28h 55m

$629

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Thu 1/8

7:00 am-10:15 am

2 stops19h 15m

London Heathrow

Wed 1/21

6:30 am-4:34 pm

2 stops18h 04m

$633

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 1/21

3:34 pm-7:30 am

1 stop31h 56m

London Heathrow

Wed 1/28

2:30 pm-11:25 am

1 stop28h 55m

$634

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Thu 1/8

4:06 pm-9:40 am

1 stop33h 34m

London Heathrow

Wed 1/21

2:30 pm-11:25 am

1 stop28h 55m

$634

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Sun 1/11

10:51 am-7:55 am

1 stop13h 04m

London Heathrow

Fri 1/23

11:35 am-5:28 pm

1 stop13h 53m

$636

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 1/7

1:54 pm-10:25 am

1 stop12h 31m

London Heathrow

Sat 2/7

10:35 am-6:01 pm

1 stop15h 26m

$656

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Tue 1/13

11:20 am-10:30 am

1 stop15h 10m

London Heathrow

Sun 1/18

11:05 am-8:32 pm

1 stop17h 27m

$656

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Sat 1/24

2:15 pm-12:50 pm

1 stop14h 35m

$270

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Thu 1/15

1:02 pm-12:50 pm

2 stops39h 48m

$300

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/8

Showing 1-10 of 15 results
1
2

Compare providers for flights from Santa Ana to Heathrow

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Santa Ana to Heathrow in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Santa Ana, California-London Heathrow Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Santa Ana, California-London Heathrow Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Santa Ana, California-London Heathrow Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Santa Ana, California-London Heathrow Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Santa Ana, California-London Heathrow Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Santa Ana to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Santa Ana 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 Santa Ana to London Heathrow Airport

What is the cheapest month to book a flight from Santa Ana, California to London Heathrow Airport?

Currently, December is the cheapest month in which you can book a flight from Santa Ana, California to London Heathrow Airport (average of $469). Flying from Santa Ana, California to London Heathrow Airport in June is currently the most expensive (average of $698). 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 SNA to LHR?

Find hourly flight availability from Santa Ana 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 December 10, 2025.

It’s typically best to fly out from Santa Ana, California to London Heathrow Airport in the evening. Doing so could potentially save you 30% on the flight price compared to flying in the afternoon, which is usually more expensive.

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 December 10, 2025.
Get a feel of what it's like to fly with Delta, Virgin Atlantic, and United Airlines from Santa Ana to London Heathrow Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,007 reviews

Overall

7.9

Crew

8.5

Boarding

8.1

Food

7.3

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
7.9
Good
8,007 reviews
Delta
7.9
Good
8,007 reviews

Overall

7.9

Crew

8.5

Boarding

8.1

Food

7.3

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
7.5
Good
675 reviews
Delta
7.9
Good
8,007 reviews

Overall

7.9

Crew

8.5

Boarding

8.1

Food

7.3

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
9,093 reviews
Delta
7.9
Good
8,007 reviews

Overall

7.9

Crew

8.5

Boarding

8.1

Food

7.3

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.
American Airlines
7.2
Good
11,048 reviews
Delta
7.9
Good
8,007 reviews

Overall

7.9

Crew

8.5

Boarding

8.1

Food

7.3

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.
British Airways
6.7
Okay
7,573 reviews
Delta
7.9
Good
8,007 reviews

Overall

7.9

Crew

8.5

Boarding

8.1

Food

7.3

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 Santa Ana to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Santa Ana to London Heathrow?

    Santa Ana J. Wayne/Orange Cnty (SNA) is the airport you will fly out of if you book a flight from Santa Ana to London Heathrow. You should not have trouble finding flights to London Heathrow from J. Wayne/Orange Cnty; the airport handles an average of 0 outbound flights to London Heathrow per day. You should also have plenty of airline options to choose from since 5 airlines have flights from the Santa Ana airport to London Heathrow. It is only a 4.8 mi journey to J. Wayne/Orange Cnty (SNA) from Santa Ana’s city center.

  • How long is the flight from Santa Ana, California to London Heathrow Airport?

    Departing from Santa Ana, California to London Heathrow Airport will take you 19h 15m. Santa Ana, California and London Heathrow Airport are separated by a distance of 5437 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Santa Ana, California to London Heathrow Airport round-trip?

    Currently priced at $580, Virgin Atlantic will fly you from Santa Ana, California to London Heathrow Airport and back. In addition to Virgin Atlantic, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from British Airways and Delta - these airlines can fly you to your destination from $588 and $625, respectively. Virgin Atlantic is priced at 34% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from Santa Ana to Heathrow that include hotel bookings?

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

  • How can I find direct flights from Santa Ana to Heathrow?

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

  • Can I find deals for business class flights from Santa Ana to Heathrow?

    Yes. Cheapflights offers flight deals from Santa Ana 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 Santa Ana, California to London Heathrow Airport?

    Currently, December is the cheapest month in which you can book a flight from Santa Ana, California to London Heathrow Airport (average of $469). Flying from Santa Ana, California to London Heathrow Airport in June is currently the most expensive (average of $698). 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
Ilford
Hounslow
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Winchester
Croydon
Orpington
Northampton
Watford
Hayes
Borehamwood
Broadway
Aylesbury
Chipping Norton
Horley
Kingston upon Thames
Wembley

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Top 5 airlines flying from Santa Ana to Heathrow

Discover the top 5 airlines that operate flights from Santa Ana 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 December 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest$580Average$933FlexibilityNo cancel feeOn-time72%
British AirwaysCheapest$588Average$1,054FlexibilityNo cancel feeOn-time70%
DeltaCheapest$625Average$781FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$702Average$866FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$885Average$1,232FlexibilityNo cancel feeOn-time71%

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