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Cheap flights from Santa Ana, California to London from £289

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 2/3. 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
18:39 - 19:40
SNA
-
LHR
17h 01m
2 stops
Lufthansa Logo
06:55 - 17:33
LHR
-
SNA
18h 38m
2 stops
£460Lufthansa
Tue, 21 Apr - Tue, 5 May
United Airlines Logo
12:25 - 11:50
SNA
-
LHR
15h 25m
1 stop
United Airlines Logo
07:40 - 20:50
LHR
-
SNA
20h 10m
2 stops
£461United Airlines
Thu, 5 Mar - Mon, 9 Mar
Lufthansa Logo
13:20 - 22:20
SNA
-
LHR
25h 00m
2 stops
Lufthansa Logo
06:30 - 20:50
LHR
-
SNA
21h 20m
2 stops
£464Lufthansa
Tue, 3 Mar - Tue, 24 Mar
United Airlines Logo
18:35 - 07:25
SNA
-
LHR
28h 50m
1 stop
United Airlines Logo
07:40 - 20:50
LHR
-
SNA
20h 10m
2 stops
£464United Airlines
Wed, 4 Mar - Mon, 9 Mar
United Airlines Logo
15:45 - 12:00
SNA
-
LHR
36h 15m
1 stop
United Airlines Logo
14:30 - 11:25
LHR
-
SNA
27h 55m
1 stop
£465United Airlines
Thu, 5 Mar - Mon, 9 Mar
United Airlines Logo
18:35 - 07:10
SNA
-
LHR
28h 35m
3 stops
United Airlines Logo
06:35 - 20:50
LHR
-
SNA
21h 15m
2 stops
£467United Airlines
Tue, 3 Mar - Tue, 24 Mar
United Airlines Logo
08:49 - 11:05
SNA
-
LHR
18h 16m
2 stops
United Airlines Logo
06:35 - 12:22
LHR
-
SNA
36h 47m
2 stops
£467United Airlines
Thu, 5 Mar - Fri, 13 Mar
Iberia Logo
11:00 - 08:05
SNA
-
LHR
13h 05m
1 stop
Iberia Logo
06:10 - 20:50
LHR
-
SNA
22h 40m
2 stops
£475Iberia
Tue, 21 Apr - Tue, 5 May
Delta Logo
13:35 - 11:00
SNA
-
LHR
13h 25m
1 stop
Delta Logo
06:30 - 17:53
LHR
-
SNA
19h 23m
2 stops
£476Delta
Tue, 7 Apr - Tue, 21 Apr
Delta Logo
19:15 - 20:10
SNA
-
LHR
16h 55m
2 stops
Delta Logo
06:30 - 17:53
LHR
-
SNA
19h 23m
2 stops
£480Delta
Tue, 7 Apr - Tue, 21 Apr

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
2 Mar
SNA18:35Santa Ana J. Wayne/Orange Cnty
18h 25m
2 stops
LHR21:00London Heathrow
9 Mar
LHR06:35London Heathrow
21h 28m
2 stops
SNA21:03Santa Ana J. Wayne/Orange Cnty
£448
Lufthansa
21 Apr
SNA18:39Santa Ana J. Wayne/Orange Cnty
17h 01m
2 stops
LHR19:40London Heathrow
5 May
LHR06:55London Heathrow
18h 38m
2 stops
SNA17:33Santa Ana J. Wayne/Orange Cnty
£460
Lufthansa
3 Mar
SNA13:20Santa Ana J. Wayne/Orange Cnty
19h 30m
2 stops
LHR16:50London Heathrow
10 Mar
LHR07:30London Heathrow
20h 33m
2 stops
SNA21:03Santa Ana J. Wayne/Orange Cnty
£464

Iberia flights from Santa Ana, California to London Heathrow Airport

Our best Iberia deals on Santa Ana, California to London Heathrow Airport flight tickets
Iberia
21 Apr
SNA11:00Santa Ana J. Wayne/Orange Cnty
13h 05m
1 stop
LHR08:05London Heathrow
5 May
LHR06:10London Heathrow
22h 40m
2 stops
SNA20:50Santa Ana J. Wayne/Orange Cnty
£475
Iberia
3 Feb
SNA07:00Santa Ana J. Wayne/Orange Cnty
19h 00m
1 stop
LHR10:00London Heathrow
8 Feb
LHR07:30London Heathrow
21h 25m
2 stops
SNA20:55Santa Ana J. Wayne/Orange Cnty
£809
Iberia
3 Feb
SNA09:30Santa Ana J. Wayne/Orange Cnty
18h 10m
1 stop
LHR11:40London Heathrow
8 Feb
LHR12:10London Heathrow
16h 45m
1 stop
SNA20:55Santa Ana J. Wayne/Orange Cnty
£830

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 3 February 2026.
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 21/4

18:39-19:40

2 stops17h 01m

London Heathrow

Tue 5/5

06:55-17:33

2 stops18h 38m

£460

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Thu 5/3

12:25-11:50

1 stop15h 25m

London Heathrow

Mon 9/3

07:40-20:50

2 stops20h 10m

£461

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Tue 3/3

13:20-22:20

2 stops25h 00m

London Heathrow

Tue 24/3

06:30-20:50

2 stops21h 20m

£464

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 4/3

18:35-07:25

1 stop28h 50m

London Heathrow

Mon 9/3

07:40-20:50

2 stops20h 10m

£464

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Thu 5/3

15:45-12:00

1 stop36h 15m

London Heathrow

Mon 9/3

14:30-11:25

1 stop27h 55m

£465

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Tue 3/3

18:35-07:10

3 stops28h 35m

London Heathrow

Tue 24/3

06:35-20:50

2 stops21h 15m

£467

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Thu 5/3

08:49-11:05

2 stops18h 16m

London Heathrow

Fri 13/3

06:35-12:22

2 stops36h 47m

£467

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Tue 21/4

11:00-08:05

1 stop13h 05m

London Heathrow

Tue 5/5

06:10-20:50

2 stops22h 40m

£475

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Tue 7/4

13:35-11:00

1 stop13h 25m

London Heathrow

Tue 21/4

06:30-17:53

2 stops19h 23m

£476

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Tue 7/4

19:15-20:10

2 stops16h 55m

London Heathrow

Tue 21/4

06:30-17:53

2 stops19h 23m

£480

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, 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 £430. The month of October is another great option to travel to London Heathrow Airport, with average flight prices from Santa Ana, California averaging around £557.

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 £495. 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 £590.

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 £529. 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 £631 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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