Find flights
When to book
FAQs

Cheap flights from Santa Ana, California to London Heathrow Airport from £239

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 14/10. Fares are subject to change and may not be available on all flights or dates of travel.
SNA — LHR
18 Aug — 25 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Santa Ana to Heathrow

Enter your travel dates to find the best prices.

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 19 July 2026.

Tue 20/1013:15
SNA
-
LHR
1 stop16h 05m
Multiple Airlines
Mon 26/1008:20
LHR
-
SNA
1 stop21h 09m
Multiple Airlines
Deal found 14/7£612
Fri 23/1013:15
SNA
-
LHR
2 stops58h 55m
Multiple Airlines
Thu 5/1111:55
LHR
-
SNA
1 stop16h 08m
Multiple Airlines
Deal found 14/7£614
Tue 3/1108:45
SNA
-
LHR
1 stop14h 10m
British Airways
Mon 23/1110:05
LHR
-
SNA
1 stop20h 40m
British Airways
Deal found 14/7£615
Tue 8/1213:35
SNA
-
LHR
1 stop14h 15m
Multiple Airlines
Thu 17/1213:15
LHR
-
SNA
1 stop16h 33m
Multiple Airlines
Deal found 14/7£624
Tue 3/1114:20
SNA
-
LHR
2 stops32h 50m
Multiple Airlines
Mon 23/1117:25
LHR
-
SNA
2 stops23h 07m
Multiple Airlines
Deal found 14/7£625
Fri 23/1013:15
SNA
-
LHR
2 stops58h 55m
Air Canada
Wed 4/1113:00
LHR
-
SNA
2 stops56h 30m
Air Canada
Deal found 14/7£639
Mon 9/1111:05
SNA
-
LHR
1 stop12h 50m
United Airlines
Fri 13/1106:35
LHR
-
SNA
2 stops34h 24m
United Airlines
Deal found 15/7£644
Sat 17/1020:45
SNA
-
LHR
1 stop25h 35m
Delta
Fri 23/1006:30
LHR
-
SNA
2 stops19h 54m
Delta
Deal found 14/7£647
Tue 20/1017:53
SNA
-
LHR
1 stop13h 12m
Alaska Airlines
Fri 6/1114:45
LHR
-
SNA
1 stop15h 40m
Alaska Airlines
Deal found 14/7£652
Sun 18/1013:15
SNA
-
LHR
1 stop16h 05m
Air Canada
Fri 23/1015:05
LHR
-
SNA
1 stop29h 13m
Air Canada
Deal found 14/7£654

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 19 July 2026.

Round-trip from

£612

One-way from

£239

Popular in

September

Cheapest in

August

Average price

£846
British Airways
  • British Airways
  • 20/10-26/10
  • 2 total stops
  • 37h 14m total
  • Santa Ana to London
Search Deals
British Airways
  • British Airways
  • 14/10
  • 1 total stop
  • 13h 07m total
  • Santa Ana to London
Search Deals
Highest demand for flights based on searches. 34% potential increase in price (£331 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 28% potential price decrease (£140 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 19 July 2026.
Use the filters below to find and compare flights from Santa Ana to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Mon 9/11

07:00-06:40

2 stops15h 40m

London Heathrow

Fri 13/11

06:35-08:59

2 stops34h 24m

£644

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Tue 8/12

06:45-08:45

2 stops18h 00m

London Heathrow

Thu 17/12

08:40-19:06

2 stops18h 26m

£647

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Tue 8/12

13:35-11:50

1 stop14h 15m

London Heathrow

Thu 17/12

10:00-21:56

1 stop19h 56m

£662

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Sat 17/10

20:45-06:20

1 stop25h 35m

London Heathrow

Tue 27/10

11:05-20:47

1 stop16h 42m

£669

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 7/10

13:15-13:20

1 stop16h 05m

London Heathrow

Wed 21/10

15:05-12:18

1 stop29h 13m

£683
Fastest return journey

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Thu 22/10

17:53-15:05

1 stop13h 12m

London Heathrow

Wed 4/11

14:45-22:25

1 stop15h 40m

£689

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Sun 25/10

08:50-12:20

1 stop20h 30m

London Heathrow

Sun 8/11

14:45-22:25

1 stop15h 40m

£689

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 7/10

11:36-09:05

1 stop13h 29m

London Heathrow

Tue 13/10

11:10-21:12

1 stop18h 02m

£690

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Sun 27/9

21:05-20:40

1 stop15h 35m

London Heathrow

Tue 6/10

10:35-18:32

1 stop15h 57m

£695

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 2/9

14:15-15:35

1 stop17h 20m

London Heathrow

Wed 9/9

11:45-22:30

2 stops18h 45m

£698

Flights are sorted by cheapest return flights first.

Deals found on 13/7

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

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 return 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, August is the cheapest month in which you can book a flight from Santa Ana, California to London Heathrow Airport (average of £431). Flying from Santa Ana, California to London Heathrow Airport in September is currently the most expensive (average of £2,924). 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.

How much does it cost for a return flight from Santa Ana, California to London Heathrow Airport?

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?

    Located just 4.8 mi from the city center, Santa Ana J. Wayne/Orange Cnty is the airport most travelers will use when flying to London Heathrow from Santa Ana. Booking flights from J. Wayne/Orange Cnty (SNA) to London Heathrow should be relatively easy as there are 0 daily outbound flights to London Heathrow from 0 different airlines.

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

    United Airlines and Delta can get you from Santa Ana, California to London Heathrow Airport in just under 15h 40m. Your travel time can differ by up to 2h 20m. There are 5437 mi between Santa Ana, California and London Heathrow Airport. This flight may include one or multiple stops.

  • 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 holiday 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, August is the cheapest month in which you can book a flight from Santa Ana, California to London Heathrow Airport (average of £431). Flying from Santa Ana, California to London Heathrow Airport in September is currently the most expensive (average of £2,924). 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

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Hounslow
Milton Keynes
Luton
Wembley
Gatwick
Slough
Ilford
Hayes
Croydon
Colchester
Brentford
Eastbourne
Northampton
Watford
Swindon
Southend-on-Sea
Poole
Kingston upon Thames
Southall
Aylesbury

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.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Santa Ana to Heathrow?

Cheapflights makes it easy to find Santa Ana to Heathrow flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Santa Ana to Heathrow?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Santa Ana to Heathrow for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Santa Ana to Heathrow with no change fees?

Certainly. Search results for flights to Heathrow from Santa Ana shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Santa Ana to Heathrow become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Heathrow from Santa Ana today and book when prices fit your budget.

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.