Find flights
When to book
FAQs

Cheap flights from Santa Ana, California to London Heathrow Airport from £240

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 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
SNA — LHR
4 Sep — 11 Sep1
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 5 August 2026.

Sun 8/1108:45 -
1 stop17h 15m
Sat 14/1114:45 -
1 stop15h 40m
Deal found 5/8£600
Sun 15/1109:17 -
1 stop13h 33m
Thu 19/1114:45 -
1 stop27h 21m
Deal found 5/8£603
Sat 7/1114:20 -
2 stops56h 50m
Thu 12/1106:35 -
2 stops38h 55m
Deal found 2/8£636
Tue 1/1209:53 -
1 stop16h 07m
Wed 9/1206:30 -
2 stops19h 43m
Deal found 5/8£645
Sat 7/1118:44 -
1 stop33h 36m
Thu 12/1114:45 -
1 stop15h 40m
Deal found 2/8£656
Sat 7/1114:20 -
2 stops32h 50m
Thu 12/1114:30 -
1 stop31h 00m
Deal found 2/8£658
Wed 7/1013:15 -
1 stop16h 05m
Wed 21/1008:40 -
2 stops35h 38m
Deal found 31/7£662
Wed 14/1007:00 -
2 stops15h 30m
Wed 21/1008:40 -
2 stops35h 38m
Deal found 1/8£665

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 5 August 2026.

Round-trip from

£595

One-way from

£240

Popular in

September

Cheapest in

January

Average price

£690
Alaska Airlines
  • Alaska Airlines
  • 5/1-13/1
  • 2 total stops
  • 27h 54m total
  • Santa Ana to London
Search Deals
British Airways
  • British Airways
  • 11/11
  • 1 total stop
  • 12h 55m total
  • Santa Ana to London
Search Deals
Highest demand for flights based on searches. 36% potential increase in price (£378 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 26% potential price decrease (£139 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 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 5 August 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 11/1

08:02-12:20

1 stop20h 18m

London Heathrow

Wed 13/1

14:45-21:26

1 stop14h 41m

£653

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 20/1

15:02-12:20

1 stop13h 18m

London Heathrow

Thu 21/1

14:45-10:17

1 stop27h 32m

£655

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Sun 22/11

16:07-11:15

1 stop35h 08m

London Heathrow

Wed 2/12

14:30-12:45

1 stop30h 15m

£667

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Sun 22/11

21:30-07:15

1 stop25h 45m

London Heathrow

Wed 2/12

10:45-18:31

1 stop15h 46m

£693

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Tue 8/9

14:00-13:15

1 stop15h 15m

London Heathrow

Tue 29/9

11:45-22:30

2 stops18h 45m

£700

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Mon 14/9

17:35-15:05

1 stop13h 30m

London Heathrow

Wed 23/9

17:00-10:15

1 stop25h 15m

£713

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Mon 14/9

14:00-13:15

1 stop15h 15m

London Heathrow

Fri 2/10

13:25-22:04

1 stop16h 39m

£720

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Tue 15/9

18:02-15:35

1 stop13h 33m

London Heathrow

Tue 6/10

10:55-22:05

1 stop19h 10m

£720

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Mon 14/9

14:06-15:35

1 stop17h 29m

London Heathrow

Tue 6/10

12:25-20:56

1 stop16h 31m

£720
Fastest return journey

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Tue 1/9

21:14-20:40

1 stop15h 26m

London Heathrow

Tue 29/9

12:00-20:03

1 stop16h 03m

£722

Flights are sorted by cheapest return flights first.

Deals found on 2/8

Showing 1-10 of 23 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, September is the cheapest month in which you can book a flight from Santa Ana, California to London Heathrow Airport (average of £382). Flying from Santa Ana, California to London Heathrow Airport in June is currently the most expensive (average of £1,088). 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.

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?

    Alaska Airlines, Delta, and United Airlines can get you from Santa Ana, California to London Heathrow Airport in just under 15h 15m. Your travel time can differ by up to 5h 03m. 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, September is the cheapest month in which you can book a flight from Santa Ana, California to London Heathrow Airport (average of £382). Flying from Santa Ana, California to London Heathrow Airport in June is currently the most expensive (average of £1,088). 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
Gatwick
Luton
Wembley
Slough
Ilford
Hayes
Croydon
Colchester
Eastbourne
Brentford
Northampton
Watford
Swindon
Southend-on-Sea
Enfield
Kingston upon Thames
Southall
Poole

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.