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Cheap flights from Santa Ana, California to London from £180

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 13/1. 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.
Multiple Airlines Logo
12:25 - 07:10SNA-LHR
34h 45m2 stops
Multiple Airlines Logo
06:30 - 11:25LHR-SNA
36h 55m2 stops
£467Multiple Airlines
Find Deal
Tue, 2 Dec - Sun, 7 Dec
Lufthansa Logo
18:25 - 19:35SNA-LHR
17h 10m2 stops
Lufthansa Logo
07:40 - 17:28LHR-SNA
17h 48m2 stops
£469Lufthansa
Find Deal
Mon, 2 Feb - Tue, 10 Feb
United Airlines Logo
12:25 - 11:50SNA-LHR
15h 25m1 stop
United Airlines Logo
13:25 - 22:28LHR-SNA
41h 03m2 stops
£472United Airlines
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Thu, 11 Dec - Mon, 15 Dec
United Airlines Logo
14:15 - 07:10SNA-LHR
32h 55m2 stops
United Airlines Logo
13:25 - 22:28LHR-SNA
41h 03m2 stops
£475United Airlines
Find Deal
Thu, 11 Dec - Mon, 15 Dec
Delta Logo
07:00 - 10:00SNA-LHR
19h 00m1 stop
Delta Logo
08:55 - 22:14LHR-SNA
21h 19m1 stop
£476Delta
Find Deal
Tue, 30 Dec - Fri, 9 Jan
Air Canada Logo
19:05 - 11:50SNA-LHR
32h 45m2 stops
Air Canada Logo
13:25 - 17:22LHR-SNA
35h 57m2 stops
£479Air Canada
Find Deal
Mon, 29 Dec - Fri, 9 Jan
Virgin Atlantic Logo
09:40 - 08:45SNA-LHR
15h 05m2 stops
Virgin Atlantic Logo
11:05 - 20:14LHR-SNA
17h 09m1 stop
£480Virgin Atlantic
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Tue, 18 Nov - Wed, 26 Nov
Air Canada Logo
12:25 - 07:10SNA-LHR
58h 45m2 stops
Air Canada Logo
13:25 - 11:25LHR-SNA
30h 00m2 stops
£481Air Canada
Find Deal
Sun, 7 Dec - Sun, 14 Dec
Delta Logo
07:00 - 10:00SNA-LHR
19h 00m1 stop
Delta Logo
20:00 - 11:49LHR-SNA
23h 49m2 stops
£489Delta
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Tue, 30 Dec - Sat, 10 Jan
Virgin Atlantic Logo
08:00 - 07:05SNA-LHR
15h 05m1 stop
Virgin Atlantic Logo
12:30 - 22:19LHR-SNA
17h 49m1 stop
£529Virgin Atlantic
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Thu, 26 Feb - Mon, 2 Mar

Delta flights from Santa Ana, California to London Heathrow Airport

Our best Delta deals on Santa Ana, California to London Heathrow Airport flight tickets
Delta
4 Nov
SNA07:15Santa Ana J. Wayne/Orange Cnty
19h 15m
1 stop
LHR10:30London Heathrow
13 Nov
LHR06:20London Heathrow
19h 48m
2 stops
SNA18:08Santa Ana J. Wayne/Orange Cnty
£471
Find similar
Delta
4 Nov
SNA07:00Santa Ana J. Wayne/Orange Cnty
16h 05m
2 stops
LHR07:05London Heathrow
13 Nov
LHR06:20London Heathrow
18h 04m
2 stops
SNA16:24Santa Ana J. Wayne/Orange Cnty
£474
Find similar
Delta
30 Dec
SNA07:00Santa Ana J. Wayne/Orange Cnty
19h 00m
1 stop
LHR10:00London Heathrow
9 Jan
LHR08:55London Heathrow
21h 19m
1 stop
SNA22:14Santa Ana J. Wayne/Orange Cnty
£476
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
29 Dec
SNA19:05Santa Ana J. Wayne/Orange Cnty
32h 45m
2 stops
LHR11:50London Heathrow
9 Jan
LHR13:25London Heathrow
35h 57m
2 stops
SNA17:22Santa Ana J. Wayne/Orange Cnty
£479
Find similar
Air Canada
7 Dec
SNA12:25Santa Ana J. Wayne/Orange Cnty
58h 45m
2 stops
LHR07:10London Heathrow
14 Dec
LHR13:25London Heathrow
30h 00m
2 stops
SNA11:25Santa Ana J. Wayne/Orange Cnty
£481
Find similar
Air Canada
29 Dec
SNA19:05Santa Ana J. Wayne/Orange Cnty
32h 45m
2 stops
LHR11:50London Heathrow
10 Jan
LHR11:10London Heathrow
29h 43m
2 stops
SNA08:53Santa Ana J. Wayne/Orange Cnty
£502
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 4 November 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

Tue 2/12

12:25-07:10

2 stops34h 45m

London Heathrow

Sun 7/12

06:30-11:25

2 stops36h 55m

£467

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Mon 2/2

18:25-19:35

2 stops17h 10m

London Heathrow

Tue 10/2

07:40-17:28

2 stops17h 48m

£469

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Thu 11/12

12:25-11:50

1 stop15h 25m

London Heathrow

Mon 15/12

13:25-22:28

2 stops41h 03m

£472

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Thu 11/12

14:15-07:10

2 stops32h 55m

London Heathrow

Mon 15/12

13:25-22:28

2 stops41h 03m

£475

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Tue 30/12

07:00-10:00

1 stop19h 00m

London Heathrow

Fri 9/1

08:55-22:14

1 stop21h 19m

£476

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Mon 29/12

19:05-11:50

2 stops32h 45m

London Heathrow

Fri 9/1

13:25-17:22

2 stops35h 57m

£479

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Tue 18/11

09:40-08:45

2 stops15h 05m

London Heathrow

Wed 26/11

11:05-20:14

1 stop17h 09m

£480

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Sun 7/12

12:25-07:10

2 stops58h 45m

London Heathrow

Sun 14/12

13:25-11:25

2 stops30h 00m

£481

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Tue 30/12

07:00-10:00

1 stop19h 00m

London Heathrow

Sat 10/1

20:00-11:49

2 stops23h 49m

£489

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Thu 26/2

08:00-07:05

1 stop15h 05m

London Heathrow

Mon 2/3

12:30-22:19

1 stop17h 49m

£529

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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, October 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 £580. The month of July is another great option to travel to London Heathrow Airport, with average flight prices from Santa Ana, California averaging around £582.

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 £511. 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 £604.

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 £546. 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 £668 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

Direct flights

None
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.
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  • 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 33m.

  • 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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