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Cheap flights from Santa Ana, California to London Heathrow Airport from £189

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 20/1. Fares are subject to change and may not be available on all flights or dates of travel.
SNA — LHR
25 Dec — 1 Jan1
1 adult
1 adult, Economy, 0 bags

Find 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 25 November 2025.

Tue 30/1213:18SNA - LHR
1 stop12h 22mUnited Airlines
Mon 12/113:25LHR - SNA
2 stops37h 16mUnited Airlines
Deal found 24/11£474
Wed 31/1210:55SNA - LHR
1 stop14h 45mLufthansa
Fri 9/112:05LHR - SNA
1 stop17h 37mLufthansa
Deal found 24/11£480
Wed 31/1213:10SNA - LHR
1 stop14h 50mUnited Airlines
Fri 9/111:30LHR - SNA
2 stops32h 21mUnited Airlines
Deal found 23/11£482
Mon 29/1215:59SNA - LHR
1 stop36h 01mUnited Airlines
Fri 9/109:10LHR - SNA
1 stop16h 12mUnited Airlines
Deal found 24/11£492
Wed 31/1207:00SNA - LHR
1 stop19h 00mDelta
Fri 9/120:00LHR - SNA
2 stops24h 25mDelta
Deal found 24/11£495
Tue 9/1212:15SNA - LHR
1 stop14h 00mMultiple Airlines
Tue 16/1210:25LHR - SNA
1 stop15h 52mMultiple Airlines
Deal found 24/11£498
Tue 30/1212:25SNA - LHR
2 stops34h 45mAir Canada
Mon 12/113:25LHR - SNA
2 stops30h 00mAir Canada
Deal found 24/11£519
Mon 29/1219:05SNA - LHR
1 stop28h 20mLufthansa
Thu 8/112:05LHR - SNA
1 stop17h 37mLufthansa
Deal found 24/11£543
Sun 7/1210:40SNA - LHR
1 stop13h 15mBrussels Airlines
Sun 14/1210:25LHR - SNA
1 stop15h 52mBrussels Airlines
Deal found 23/11£560
Sun 30/1114:15SNA - LHR
1 stop14h 35mWestJet
Fri 5/1214:50LHR - SNA
1 stop30h 35mWestJet
Deal found 23/11£603
Wed 24/1213:10SNA - LHR
1 stop12h 50mDelta
Sun 11/110:45LHR - SNA
1 stop19h 31mDelta
Deal found 24/11£610

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 25 November 2025.

Round-trip from

£454

One-way from

£189

Popular in

June

Cheapest in

October

Average price

£589
Lufthansa
  • Lufthansa
  • 8/1-21/1
  • 3 total stops
  • 33h 28m total
  • Santa Ana to London
Search Deals
WestJet
  • WestJet
  • 20/1
  • 1 total stop
  • 14h 35m total
  • Santa Ana to London
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£58 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£20 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
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 25 November 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

Tue 30/12

13:18-09:40

1 stop12h 22m

London Heathrow

Mon 12/1

13:25-18:41

2 stops37h 16m

£474

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 4/2

18:25-07:25

1 stop29h 00m

London Heathrow

Sun 8/2

14:30-11:25

1 stop28h 55m

£477

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Sun 15/2

18:35-07:25

1 stop28h 50m

London Heathrow

Sun 22/2

14:30-11:25

1 stop28h 55m

£477

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 7/1

15:41-12:00

1 stop36h 19m

London Heathrow

Wed 14/1

14:30-11:25

1 stop28h 55m

£477

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Fri 9/1

15:34-07:30

1 stop31h 56m

London Heathrow

Sun 25/1

14:30-11:25

1 stop28h 55m

£481

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 31/12

13:10-12:00

1 stop14h 50m

London Heathrow

Fri 9/1

11:30-11:51

2 stops32h 21m

£482

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Mon 9/2

12:25-11:50

1 stop15h 25m

London Heathrow

Fri 6/3

15:00-11:25

2 stops28h 25m

£485

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Mon 29/12

15:59-12:00

1 stop36h 01m

London Heathrow

Fri 9/1

09:10-17:22

1 stop16h 12m

£492

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Mon 19/1

12:25-11:50

1 stop15h 25m

London Heathrow

Mon 26/1

10:25-18:41

1 stop16h 16m

£495

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 31/12

07:00-10:00

1 stop19h 00m

London Heathrow

Fri 9/1

20:00-12:25

2 stops24h 25m

£495

Flights are sorted by cheapest return flights first.

Deals found on 22/11

Showing 1-10 of 20 results
1
2

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, December is the cheapest month in which you can book a flight from Santa Ana, California to London Heathrow Airport (average of £358). Flying from Santa Ana, California to London Heathrow Airport in June is currently the most expensive (average of £534). 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 can get you from Santa Ana, California to London Heathrow Airport in just under 12h 22m. Your travel time can differ by up to . There are 5437 mi between Santa Ana, California and London Heathrow Airport.

  • 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, December is the cheapest month in which you can book a flight from Santa Ana, California to London Heathrow Airport (average of £358). Flying from Santa Ana, California to London Heathrow Airport in June is currently the most expensive (average of £534). 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
Croydon
Slough
Gatwick
Hounslow
Northampton
Luton
Ilford
Wembley
Deal
Hayes
Colchester
Watford
Winchester
Swindon
Crawley
Brentford
Romford
Chichester
Ipswich

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Alternative routes for Santa Ana to Heathrow

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Fly with Cheapflights

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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.

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