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Cheap flights from Santa Ana, California to London from £183

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Santa Ana, California to London departing on 3/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags
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Find the cheapest flights from Santa Ana, California to London

Cheap return flights

Enter your travel dates to find the best prices.
Lufthansa Logo
11:05 - 09:40
SNA
-
LHR
14h 35m1 stop
Lufthansa Logo
06:35 - 20:42
LHR
-
SNA
22h 07m2 stops
£445Lufthansa
Sat, 17 Jan - Sat, 24 Jan
Lufthansa Logo
13:27 - 09:40
SNA
-
LHR
13h 13m1 stop
Lufthansa Logo
06:30 - 20:50
LHR
-
SNA
21h 20m2 stops
£453Lufthansa
Wed, 11 Mar - Mon, 16 Mar
Multiple Airlines Logo
12:25 - 11:50
SNA
-
LHR
15h 25m1 stop
Multiple Airlines Logo
14:30 - 11:25
LHR
-
SNA
28h 55m1 stop
£458Multiple Airlines
Tue, 10 Feb - Mon, 16 Feb
Brussels Airlines Logo
06:45 - 07:55
SNA
-
LHR
17h 10m1 stop
Brussels Airlines Logo
07:40 - 18:41
LHR
-
SNA
19h 01m1 stop
£462Brussels Airlines
Thu, 8 Jan - Wed, 21 Jan
Multiple Airlines Logo
12:25 - 11:50
SNA
-
LHR
15h 25m1 stop
Multiple Airlines Logo
15:00 - 11:25
LHR
-
SNA
28h 25m2 stops
£465Multiple Airlines
Wed, 21 Jan - Fri, 30 Jan
Multiple Airlines Logo
12:25 - 11:50
SNA
-
LHR
15h 25m1 stop
Multiple Airlines Logo
06:35 - 17:28
LHR
-
SNA
18h 53m2 stops
£465Multiple Airlines
Thu, 8 Jan - Wed, 21 Jan
Lufthansa Logo
11:05 - 12:50
SNA
-
LHR
17h 45m2 stops
Lufthansa Logo
20:15 - 18:31
LHR
-
SNA
30h 16m2 stops
£466Lufthansa
Wed, 21 Jan - Fri, 30 Jan
Multiple Airlines Logo
12:25 - 07:10
SNA
-
LHR
58h 45m2 stops
Multiple Airlines Logo
06:30 - 11:25
LHR
-
SNA
36h 55m2 stops
£468Multiple Airlines
Sun, 25 Jan - Sun, 1 Feb
Air Canada Logo
12:25 - 11:50
SNA
-
LHR
16h 25m1 stop
Air Canada Logo
14:30 - 20:50
LHR
-
SNA
37h 20m2 stops
£469Air Canada
Tue, 10 Mar - Tue, 17 Mar
United Airlines Logo
15:41 - 07:25
SNA
-
LHR
31h 44m1 stop
United Airlines Logo
14:30 - 11:25
LHR
-
SNA
28h 55m1 stop
£470United Airlines
Thu, 29 Jan - Mon, 2 Feb

Lufthansa flights from Santa Ana, California to London Heathrow Airport

Our best Lufthansa deals on Santa Ana, California to London Heathrow Airport flight tickets
Lufthansa
17 Jan
SNA11:05Santa Ana J. Wayne/Orange Cnty
14h 35m
1 stop
LHR09:40London Heathrow
24 Jan
LHR06:35London Heathrow
22h 07m
2 stops
SNA20:42Santa Ana J. Wayne/Orange Cnty
£445
Find similar
Lufthansa
11 Mar
SNA13:27Santa Ana J. Wayne/Orange Cnty
13h 13m
1 stop
LHR09:40London Heathrow
16 Mar
LHR06:30London Heathrow
21h 20m
2 stops
SNA20:50Santa Ana J. Wayne/Orange Cnty
£453
Find similar
Lufthansa
21 Jan
SNA11:05Santa Ana J. Wayne/Orange Cnty
17h 45m
2 stops
LHR12:50London Heathrow
30 Jan
LHR20:15London Heathrow
30h 16m
2 stops
SNA18:31Santa Ana J. Wayne/Orange Cnty
£466
Find similar

Air Canada flights from Santa Ana, California to London Heathrow Airport

Our best Air Canada deals on Santa Ana, California to London Heathrow Airport flight tickets
Air Canada
10 Mar
SNA12:25Santa Ana J. Wayne/Orange Cnty
16h 25m
1 stop
LHR11:50London Heathrow
17 Mar
LHR14:30London Heathrow
37h 20m
2 stops
SNA20:50Santa Ana J. Wayne/Orange Cnty
£469
Find similar
Air Canada
10 Mar
SNA12:25Santa Ana J. Wayne/Orange Cnty
16h 25m
1 stop
LHR11:50London Heathrow
15 Mar
LHR14:30London Heathrow
27h 55m
1 stop
SNA11:25Santa Ana J. Wayne/Orange Cnty
£479
Find similar
Air Canada
20 Jan
SNA12:25Santa Ana J. Wayne/Orange Cnty
58h 45m
2 stops
LHR07:10London Heathrow
29 Jan
LHR13:25London Heathrow
30h 00m
2 stops
SNA11:25Santa Ana J. Wayne/Orange Cnty
£484
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Santa Ana, California to London Heathrow Airport 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, momondo users made 279,928 searches. Data last updated 12 December 2025.
Use the filters below to find and compare flights from Santa Ana, California to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Sat 17/1

11:05-09:40

1 stop14h 35m

London Heathrow

Sat 24/1

06:35-20:42

2 stops22h 07m

£445

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 11/3

13:27-09:40

1 stop13h 13m

London Heathrow

Mon 16/3

06:30-20:50

2 stops21h 20m

£453

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Tue 10/2

12:25-11:50

1 stop15h 25m

London Heathrow

Mon 16/2

14:30-11:25

1 stop28h 55m

£458

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Thu 8/1

06:45-07:55

1 stop17h 10m

London Heathrow

Wed 21/1

07:40-18:41

1 stop19h 01m

£462

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 21/1

12:25-11:50

1 stop15h 25m

London Heathrow

Fri 30/1

15:00-11:25

2 stops28h 25m

£465

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Thu 8/1

12:25-11:50

1 stop15h 25m

London Heathrow

Wed 21/1

06:35-17:28

2 stops18h 53m

£465

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 21/1

11:05-12:50

2 stops17h 45m

London Heathrow

Fri 30/1

20:15-18:31

2 stops30h 16m

£466

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Sun 25/1

12:25-07:10

2 stops58h 45m

London Heathrow

Sun 1/2

06:30-11:25

2 stops36h 55m

£468

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Tue 10/3

12:25-11:50

1 stop16h 25m

London Heathrow

Tue 17/3

14:30-20:50

2 stops37h 20m

£469

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Thu 29/1

15:41-07:25

1 stop31h 44m

London Heathrow

Mon 2/2

14:30-11:25

1 stop28h 55m

£470

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from Santa Ana, California to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to London Heathrow Airport?

In general, January is the cheapest month to fly from Santa Ana, California to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £439. The month of October is another great option to travel to London Heathrow Airport, with average flight prices from Santa Ana, California averaging around £569.

What is the cheapest day to depart on your flight to London Heathrow Airport?

On average, the least expensive day to fly to London Heathrow Airport from Santa Ana, California is on a Monday. momondo users have found tickets for Monday departures for as low as £486. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Saturday is £602.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the afternoon. momondo users have found flights departing from Santa Ana, California to London Heathrow Airport in the afternoon for as low as £534. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying at midday when prices are £644 on average. Flights to London Heathrow Airport from Santa Ana, California at midday are generally more expensive because this time of day is more convenient for travellers’ schedules.

When to book flights from Santa Ana, California to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Santa Ana, California to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Santa Ana, California to London Heathrow Airport (SNA to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Santa Ana, California to London Heathrow Airport

Fastest flight time

12h 18m

Direct flights

None
The fastest flight from Santa Ana, California to London Heathrow Airport takes 12h 18m
There are no direct flights from Santa Ana, California to London Heathrow Airport. There are no popular flight routes from Santa Ana, California to London Heathrow Airport.
Search flight deals

  • How far is Santa Ana J. Wayne/Orange Cnty to London Heathrow by plane?

    London Heathrow is 5433.2 mi away from Santa Ana J. Wayne/Orange Cnty. A reasonable flight in good conditions will take 12h 18m.

  • When did momondo last update prices for flights from Santa Ana J. Wayne/Orange Cnty Airport to London Heathrow Airport?

    Prices for flights from Santa Ana J. Wayne/Orange Cnty Airport to London Heathrow Airport were last updated today.

  • How old do you have to be to fly from Santa Ana J. Wayne/Orange Cnty Airport to London Heathrow Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Santa Ana J. Wayne/Orange Cnty Airport to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The necessary travel and health documents for your London Heathrow Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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Why use momondo?

Why should I use momondo to find a flight deal from Santa Ana to London?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Santa Ana.

Can I find flights from Santa Ana to London with flexible booking policies on momondo?

All flight searches from Santa Ana to London on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Santa Ana to London?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from Santa Ana.

I’m not ready to book a flight from Santa Ana to London right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Santa Ana to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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