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Cheap flights from Santa Ana to London Heathrow Airport from £369

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 19/7. Fares are subject to change and may not be available on all flights or dates of travel.
SNA — LHR
23 May — 30 May1
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 23 April 2026.

Wed 19/806:50
SNA
-
LHR
2 stops15h 40m
Multiple Airlines
Tue 22/908:45
LHR
-
SNA
2 stops35h 33m
Multiple Airlines
Deal found 19/4£659
Mon 14/913:15
SNA
-
LHR
2 stops33h 20m
Air Canada
Tue 22/908:45
LHR
-
SNA
2 stops35h 33m
Air Canada
Deal found 18/4£659
Wed 7/1014:29
SNA
-
LHR
1 stop14h 21m
Iberia
Wed 21/1006:30
LHR
-
SNA
2 stops23h 21m
Iberia
Deal found 21/4£662
Wed 7/1013:35
SNA
-
LHR
1 stop12h 25m
Delta
Wed 21/1006:30
LHR
-
SNA
2 stops19h 29m
Delta
Deal found 20/4£663
Wed 7/1008:55
SNA
-
LHR
2 stops18h 40m
United Airlines
Wed 14/1007:25
LHR
-
SNA
2 stops19h 02m
United Airlines
Deal found 20/4£664
Sat 12/921:14
SNA
-
LHR
2 stops25h 16m
Multiple Airlines
Mon 21/920:05
LHR
-
SNA
2 stops32h 46m
Multiple Airlines
Deal found 18/4£666
Sat 5/921:00
SNA
-
LHR
1 stop25h 20m
Delta
Tue 15/906:30
LHR
-
SNA
2 stops17h 48m
Delta
Deal found 20/4£668
Sun 20/913:15
SNA
-
LHR
2 stops36h 45m
Air Canada
Thu 1/1014:05
LHR
-
SNA
2 stops35h 18m
Air Canada
Deal found 20/4£669
Mon 3/821:14
SNA
-
LHR
2 stops25h 16m
Air Canada
Fri 21/814:05
LHR
-
SNA
2 stops31h 09m
Air Canada
Deal found 20/4£673
Sun 1/1112:25
SNA
-
LHR
1 stop15h 25m
Air Canada
Thu 19/1114:30
LHR
-
SNA
1 stop28h 56m
Air Canada
Deal found 22/4£673
Tue 18/813:20
SNA
-
LHR
1 stop13h 45m
British Airways
Tue 25/810:05
LHR
-
SNA
1 stop15h 24m
British Airways
Deal found 19/4£674

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 23 April 2026.

Round-trip from

£659

One-way from

£369

Popular in

June

Cheapest in

January

Average price

£697
Air Canada
  • Air Canada
  • 19/8-22/9
  • 4 total stops
  • 51h 13m total
  • Santa Ana to London
Search Deals
19/7
  • 19/7
  • 3 total stops
  • 28h 40m total
  • Santa Ana to London
Search Deals
Highest demand for flights based on searches. 25% potential increase in price (£169 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£26 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 23 April 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
Fastest return journey

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Sun 3/5

11:00-08:05

1 stop13h 05m

London Heathrow

Tue 19/5

10:05-15:30

1 stop13h 25m

£684

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 23/9

17:03-15:05

1 stop14h 02m

London Heathrow

Wed 7/10

12:55-21:51

1 stop16h 56m

£685

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Tue 8/9

14:00-13:15

1 stop15h 15m

London Heathrow

Tue 15/9

17:45-10:13

1 stop24h 28m

£685

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Fri 18/9

11:42-11:15

1 stop15h 33m

London Heathrow

Sat 3/10

08:55-19:39

1 stop18h 44m

£759

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Fri 4/9

15:25-07:55

1 stop32h 30m

London Heathrow

Mon 14/9

11:25-17:31

1 stop14h 06m

£763

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Fri 18/9

07:15-18:30

3 stops27h 15m

London Heathrow

Sat 3/10

06:40-22:29

2 stops23h 49m

£836

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Tue 2/6

07:30-17:40

2 stops26h 10m

London Heathrow

Tue 16/6

07:05-22:30

3 stops23h 25m

£870

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Mon 18/5

17:25-15:35

1 stop14h 10m

London Heathrow

Fri 12/6

06:30-16:12

2 stops17h 42m

£870

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Mon 18/5

16:24-14:10

1 stop13h 46m

London Heathrow

Tue 26/5

13:00-20:55

1 stop15h 55m

£892

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Tue 19/5

14:38-14:10

1 stop15h 32m

London Heathrow

Mon 25/5

11:25-17:30

1 stop14h 05m

£930

Flights are sorted by cheapest return flights first.

Deals found on 19/4

Showing 1-10 of 23 resultsSorted by cheapest first
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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, January is the cheapest month in which you can book a flight from Santa Ana, California to London Heathrow Airport (average of £435). Flying from Santa Ana, California to London Heathrow Airport in June is currently the most expensive (average of £1,032). 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?

    British Airways, Delta, and United Airlines can get you from Santa Ana, California to London Heathrow Airport in just under 13h 05m. Your travel time can differ by up to 19h 25m. 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, January is the cheapest month in which you can book a flight from Santa Ana, California to London Heathrow Airport (average of £435). Flying from Santa Ana, California to London Heathrow Airport in June is currently the most expensive (average of £1,032). 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
Milton Keynes
Wembley
Croydon
Hounslow
Northampton
Luton
Gatwick
Ilford
Slough
Hayes
Brentford
Colchester
Watford
Kingston upon Thames
Romford
Eastbourne
Swindon
Ipswich
Southend-on-Sea
Guildford

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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.

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