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$403+ Cheap flights from Santa Ana (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 4/2. Fares are subject to change and may not be available on all flights or dates of travel.
SNA — LHR
Mar 26 — Apr 21
Wed 3/26
Wed 4/2
1 adult, Economy
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Cheapflights Tip: The best prices from Santa Ana J. Wayne/Orange Cnty to London Heathrow are usually found in April or October, booked 27 days in advance, depart on a Wednesday or Tuesday and return on a Monday

Cheap 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 March 21, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$645
(Delta)

One-way from

$403
(Kiwi.com)

Popular in

June

Cheapest in

April

Average price

$789
Provider with most accurate pricing for Santa Ana J. Wayne/Orange Cnty-London Heathrow flight deals.
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Provider most trusted by Cheapflights users for Santa Ana J. Wayne/Orange Cnty-London Heathrow flights.
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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. 17% potential increase in price ($186 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find 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 March 21, 2025.

This Delta deal was found by Cheapflights users on 3/19. 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 4/2111:18 amSNA - LHR
1 stop18h 57mDelta
Thu 5/111:30 amLHR - SNA
2 stops18h 58mDelta
Deal found 3/19$645
This Virgin Atlantic deal was found by Cheapflights users on 3/19. 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.
Mon 4/211:25 pmSNA - LHR
2 stops16h 50mVirgin Atlantic
Thu 5/19:40 amLHR - SNA
2 stops20h 35mVirgin Atlantic
Deal found 3/19$658
This Air Canada deal was found by Cheapflights users on 3/20. 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 4/2912:30 pmSNA - LHR
2 stops34h 00mAir Canada
Fri 5/162:05 pmLHR - SNA
2 stops30h 27mAir Canada
Deal found 3/20$669
This United deal was found by Cheapflights users on 3/20. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/26:32 pmSNA - LHR
2 stops18h 03mUnited Airlines
Tue 12/167:40 amLHR - SNA
2 stops19h 09mUnited Airlines
Deal found 3/20$674
This KLM deal was found by Cheapflights users on 3/20. 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.
Sun 5/41:10 pmSNA - LHR
1 stop16h 00mKLM
Sun 5/1112:25 pmLHR - SNA
1 stop15h 57mKLM
Deal found 3/20$693
This United deal was found by Cheapflights users on 3/20. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/188:25 pmSNA - LHR
1 stop30h 00mMultiple Airlines
Tue 4/292:10 pmLHR - SNA
1 stop29h 12mMultiple Airlines
Deal found 3/20$697
This oojo deal was found by Cheapflights users on 3/21. 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 4/203:45 pmSNA - LHR
1 stop14h 25mLufthansa
Sun 4/2712:20 pmLHR - SNA
1 stop15h 24mLufthansa
Deal found 3/21$915
This Scandinavian Airlines deal was found by Cheapflights users on 3/19. 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.
Wed 9/310:45 amSNA - LHR
2 stops21h 15mScandinavian Airlines
Wed 9/107:05 amLHR - SNA
3 stops19h 20mScandinavian Airlines
Deal found 3/19$988
This oojo deal was found by Cheapflights users on 3/20. 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.
Wed 5/217:14 pmSNA - LHR
2 stops32h 41mIcelandair
Wed 5/281:05 pmLHR - SNA
2 stops17h 25mIcelandair
Deal found 3/20$1,008
This FlightHub deal was found by Cheapflights users on 3/21. 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.
Sun 10/268:04 amSNA - LHR
2 stops18h 01mAer Lingus
Sat 11/18:45 pmLHR - SNA
2 stops54h 30mAer Lingus
Deal found 3/21$1,089
This Ovago deal was found by Cheapflights users on 3/20. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/2111:08 amSNA - LHR
1 stop13h 12mBritish Airways
Sun 3/308:20 amLHR - SNA
1 stop17h 42mBritish Airways
Deal found 3/20$1,306
This Gurufare deal was found by Cheapflights users on 3/19. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/2212:50 pmSNA - LHR
1 stop15h 15mWestJet
Sat 6/282:10 pmLHR - SNA
1 stop29h 49mWestJet
Deal found 3/19$1,441

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 March 21, 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

Mon 4/21

11:18 am-2:15 pm

1 stop18h 57m

London Heathrow

Thu 5/1

11:30 am-10:28 pm

2 stops18h 58m

$645

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Mon 4/21

1:25 pm-2:15 pm

2 stops16h 50m

London Heathrow

Thu 5/1

9:40 am-10:15 pm

2 stops20h 35m

$658

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Tue 4/29

12:30 pm-6:30 am

2 stops34h 00m

London Heathrow

Fri 5/16

2:05 pm-12:32 pm

2 stops30h 27m

$669

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Sun 5/4

1:35 pm-1:20 pm

1 stop15h 45m

London Heathrow

Sun 5/11

2:05 pm-1:06 pm

2 stops31h 01m

$692

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Sun 5/4

1:10 pm-1:10 pm

1 stop16h 00m

London Heathrow

Sun 5/11

12:25 pm-8:22 pm

1 stop15h 57m

$693

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Fri 4/18

8:25 pm-10:25 am

1 stop30h 00m

London Heathrow

Tue 4/29

2:10 pm-11:22 am

1 stop29h 12m

$697

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Sun 4/20

3:45 pm-2:10 pm

1 stop14h 25m

London Heathrow

Sun 4/27

12:20 pm-7:44 pm

1 stop15h 24m

$915

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 9/3

10:45 am-4:00 pm

2 stops21h 15m

London Heathrow

Wed 9/10

7:05 am-6:25 pm

3 stops19h 20m

$988

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 5/21

7:14 pm-11:55 am

2 stops32h 41m

London Heathrow

Wed 5/28

1:05 pm-10:30 pm

2 stops17h 25m

$1,008

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Sun 6/22

12:50 pm-12:05 pm

1 stop15h 15m

London Heathrow

Sat 6/28

2:10 pm-11:59 am

1 stop29h 49m

$1,441

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/20

Showing 1-10 of 28 results
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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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 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-London Heathrow Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Santa Ana-London Heathrow Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Santa Ana-London Heathrow Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Santa Ana-London Heathrow Airport flights, Cheapflights users trust FlightHub the most. FlightHub 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-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

How far ahead should I book a flight from Santa Ana to London Heathrow Airport?

Use this chart to determine the optimal time to book a round-trip flight from Santa Ana to Heathrow. Price data was last updated on March 14, 2025.

The price you pay for your flight from Santa Ana to London Heathrow Airport may vary depending on when you book. For the best chance of a lower fare, look to book 23 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, November is the cheapest month in which you can book a flight from Santa Ana to London Heathrow Airport (average of $661). Flying from Santa Ana to London Heathrow Airport in June is currently the most expensive (average of $1,122). 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 March 21, 2025.

It’s typically best to fly out from Santa Ana to London Heathrow Airport in the evening. Doing so could potentially save you 31% on the flight price compared to flying in the afternoon, which is usually more expensive.

What is the cheapest day to fly from Santa Ana to London Heathrow Airport?

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

Travelers seeking maximum savings on their Santa Ana to London Heathrow Airport flight should consider departing on Wednesday at noon when fares are most often at their lowest. Thursday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 March 21, 2025.
Get a feel of what it's like to fly with Delta, KLM and Finnair from Santa Ana to London by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,895 reviews

Comfort

8.0

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

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
7,895 reviews
Delta
8.0
Very good
7,895 reviews

Comfort

8.0

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

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
1,319 reviews
Delta
8.0
Very good
7,895 reviews

Comfort

8.0

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

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.
Finnair
7.6
Good
1,266 reviews
Delta
8.0
Very good
7,895 reviews

Comfort

8.0

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

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
1,422 reviews
Delta
8.0
Very good
7,895 reviews

Comfort

8.0

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

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
8,605 reviews
Delta
8.0
Very good
7,895 reviews

Comfort

8.0

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

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.

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

    According to our current data, Delta ($645), Virgin Atlantic ($658), and Air Canada ($669) offers the cheapest pricing from Santa Ana to London Heathrow Airport. Users have found that Delta is 27% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Santa Ana to London Heathrow Airport one-way?

    One-way options have recently been found by users for as low as $418 on Air Canada. Other airlines that offer cheap prices include Virgin Atlantic from $423 and Delta from $435 one-way.

  • 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 to London Heathrow Airport?

    Currently, November is the cheapest month in which you can book a flight from Santa Ana to London Heathrow Airport (average of $661). Flying from Santa Ana to London Heathrow Airport in June is currently the most expensive (average of $1,122). 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 Santa Ana?

Book flights to Santa Ana if you plan to visit one of these locations
Hounslow
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Wembley
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Gatwick
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Orpington
Watford
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Northampton
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Croydon
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Folkestone
Ilford

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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 March 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$482Average$1,007FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$482Average$945FlexibilityNo cancel feeOn-time72%
British AirwaysCheapest$620Average$1,067FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$653Average$900FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$882Average$1,247FlexibilityNo cancel feeOn-time71%
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