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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 20/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
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
10:00 - 12:00
SNA
-
LHR
18h 00m1 stop
Lufthansa Logo
07:40 - 20:42
LHR
-
SNA
21h 02m2 stops
£446Lufthansa
Wed, 21 Jan - Mon, 2 Feb
Lufthansa Logo
10:00 - 12:00
SNA
-
LHR
18h 00m1 stop
Lufthansa Logo
20:15 - 18:31
LHR
-
SNA
30h 16m2 stops
£454Lufthansa
Wed, 21 Jan - Fri, 30 Jan
Multiple Airlines Logo
12:25 - 11:50
SNA
-
LHR
15h 25m1 stop
Multiple Airlines Logo
06:35 - 11:25
LHR
-
SNA
36h 50m2 stops
£459Multiple Airlines
Thu, 22 Jan - Fri, 6 Feb
Lufthansa Logo
11:05 - 12:50
SNA
-
LHR
17h 45m2 stops
Lufthansa Logo
06:35 - 20:42
LHR
-
SNA
22h 07m2 stops
£460Lufthansa
Wed, 21 Jan - Mon, 2 Feb
Air Canada Logo
12:25 - 11:50
SNA
-
LHR
15h 25m1 stop
Air Canada Logo
14:30 - 11:25
LHR
-
SNA
28h 55m1 stop
£461Air Canada
Thu, 15 Jan - Wed, 28 Jan
Multiple Airlines Logo
12:25 - 11:50
SNA
-
LHR
15h 25m1 stop
Multiple Airlines Logo
14:30 - 11:25
LHR
-
SNA
28h 55m1 stop
£462Multiple Airlines
Wed, 21 Jan - Fri, 30 Jan
Multiple Airlines Logo
12:25 - 11:50
SNA
-
LHR
15h 25m1 stop
Multiple Airlines Logo
07:40 - 18:31
LHR
-
SNA
18h 51m2 stops
£463Multiple Airlines
Sat, 31 Jan - Sat, 7 Feb
Lufthansa Logo
10:00 - 07:25
SNA
-
LHR
13h 25m1 stop
Lufthansa Logo
06:35 - 17:28
LHR
-
SNA
18h 53m2 stops
£464Lufthansa
Thu, 15 Jan - Wed, 28 Jan
Multiple Airlines Logo
07:00 - 07:10
SNA
-
LHR
16h 10m2 stops
Multiple Airlines Logo
06:35 - 11:25
LHR
-
SNA
36h 50m2 stops
£465Multiple Airlines
Fri, 30 Jan - Fri, 6 Feb
United Airlines Logo
12:25 - 11:50
SNA
-
LHR
15h 25m1 stop
United Airlines Logo
06:35 - 18:31
LHR
-
SNA
19h 56m2 stops
£467United Airlines
Sat, 31 Jan - Sat, 7 Feb

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
15 Jan
SNA12:25Santa Ana J. Wayne/Orange Cnty
15h 25m
1 stop
LHR11:50London Heathrow
28 Jan
LHR14:30London Heathrow
28h 55m
1 stop
SNA11:25Santa Ana J. Wayne/Orange Cnty
£461
Find similar
Air Canada
16 Jan
SNA12:25Santa Ana J. Wayne/Orange Cnty
15h 25m
1 stop
LHR11:50London Heathrow
22 Jan
LHR13:25London Heathrow
30h 00m
2 stops
SNA11:25Santa Ana J. Wayne/Orange Cnty
£482
Find similar
Air Canada
20 Apr
SNA12:25Santa Ana J. Wayne/Orange Cnty
16h 55m
1 stop
LHR13:20London Heathrow
5 May
LHR14:05London Heathrow
32h 02m
2 stops
SNA14:07Santa Ana J. Wayne/Orange Cnty
£506
Find similar

United Airlines flights from Santa Ana, California to London Heathrow Airport

Our best United Airlines deals on Santa Ana, California to London Heathrow Airport flight tickets
United Airlines
31 Jan
SNA12:25Santa Ana J. Wayne/Orange Cnty
15h 25m
1 stop
LHR11:50London Heathrow
7 Feb
LHR06:35London Heathrow
19h 56m
2 stops
SNA18:31Santa Ana J. Wayne/Orange Cnty
£467
Find similar
United Airlines
29 Jan
SNA18:25Santa Ana J. Wayne/Orange Cnty
29h 00m
1 stop
LHR07:25London Heathrow
2 Feb
LHR14:30London Heathrow
28h 55m
1 stop
SNA11:25Santa Ana J. Wayne/Orange Cnty
£470
Find similar
United Airlines
29 Jan
SNA12:25Santa Ana J. Wayne/Orange Cnty
15h 25m
1 stop
LHR11:50London Heathrow
2 Feb
LHR13:25London Heathrow
37h 16m
2 stops
SNA18:41Santa Ana J. Wayne/Orange Cnty
£473
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 18 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

Wed 21/1

10:00-12:00

1 stop18h 00m

London Heathrow

Mon 2/2

07:40-20:42

2 stops21h 02m

£446

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 21/1

10:00-12:00

1 stop18h 00m

London Heathrow

Fri 30/1

20:15-18:31

2 stops30h 16m

£454

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Thu 22/1

12:25-11:50

1 stop15h 25m

London Heathrow

Fri 6/2

06:35-11:25

2 stops36h 50m

£459

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 21/1

11:05-12:50

2 stops17h 45m

London Heathrow

Mon 2/2

06:35-20:42

2 stops22h 07m

£460

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Thu 15/1

12:25-11:50

1 stop15h 25m

London Heathrow

Wed 28/1

14:30-11:25

1 stop28h 55m

£461

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

14:30-11:25

1 stop28h 55m

£462

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Sat 31/1

12:25-11:50

1 stop15h 25m

London Heathrow

Sat 7/2

07:40-18:31

2 stops18h 51m

£463

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Thu 15/1

10:00-07:25

1 stop13h 25m

London Heathrow

Wed 28/1

06:35-17:28

2 stops18h 53m

£464

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Fri 30/1

07:00-07:10

2 stops16h 10m

London Heathrow

Fri 6/2

06:35-11:25

2 stops36h 50m

£465

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Sat 31/1

12:25-11:50

1 stop15h 25m

London Heathrow

Sat 7/2

06:35-18:31

2 stops19h 56m

£467

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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 £440. The month of October is another great option to travel to London Heathrow Airport, with average flight prices from Santa Ana, California averaging around £570.

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 £490. 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 £600.

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 £533. 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 £645 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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