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Cheap flights from Santa Ana, California to London from £341

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 31/10. 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.
United Airlines Logo
12:25 - 11:50
SNA
-
LHR
15h 25m
1 stop
United Airlines Logo
06:35 - 18:05
LHR
-
SNA
19h 30m
2 stops
£666United Airlines
Wed, 11 Nov - Wed, 18 Nov
Delta Logo
06:45 - 06:25
SNA
-
LHR
15h 40m
1 stop
Delta Logo
09:55 - 22:24
LHR
-
SNA
20h 29m
2 stops
£669Delta
Wed, 7 Oct - Wed, 21 Oct
Air Canada Logo
13:15 - 06:30
SNA
-
LHR
33h 15m
2 stops
Air Canada Logo
15:05 - 13:57
LHR
-
SNA
30h 52m
2 stops
£670Air Canada
Sun, 26 Jul - Wed, 19 Aug
Lufthansa Logo
13:05 - 18:40
SNA
-
LHR
21h 35m
2 stops
Lufthansa Logo
06:55 - 20:44
LHR
-
SNA
21h 49m
2 stops
£672Lufthansa
Tue, 28 Jul - Thu, 20 Aug
Delta Logo
11:45 - 12:05
SNA
-
LHR
16h 20m
2 stops
Delta Logo
09:55 - 22:24
LHR
-
SNA
20h 29m
2 stops
£673Delta
Wed, 7 Oct - Wed, 21 Oct
Multiple Airlines Logo
19:59 - 06:30
SNA
-
LHR
26h 31m
2 stops
Multiple Airlines Logo
20:05 - 20:51
LHR
-
SNA
32h 46m
2 stops
£674Multiple Airlines
Sat, 22 Aug - Mon, 31 Aug
Air Canada Logo
18:26 - 06:30
SNA
-
LHR
28h 04m
2 stops
Air Canada Logo
15:05 - 13:57
LHR
-
SNA
30h 52m
2 stops
£676Air Canada
Sat, 25 Jul - Wed, 19 Aug
British Airways Logo
11:42 - 09:05
SNA
-
LHR
13h 23m
1 stop
British Airways Logo
14:25 - 21:51
LHR
-
SNA
15h 26m
1 stop
£680British Airways
Wed, 9 Sep - Wed, 16 Sep
Multiple Airlines Logo
08:06 - 14:40
SNA
-
LGW
22h 34m
2 stops
Multiple Airlines Logo
15:40 - 21:55
LGW
-
SNA
38h 15m
2 stops
£828Multiple Airlines
Wed, 7 Oct - Wed, 21 Oct
Lufthansa Logo
11:10 - 17:55
SNA
-
LCY
22h 45m
2 stops
Lufthansa Logo
09:15 - 20:44
LCY
-
SNA
19h 29m
2 stops
£961Lufthansa
Thu, 3 Sep - Fri, 11 Sep

Air Canada flights from Santa Ana, California to London

Our best Air Canada deals on Santa Ana, California to London flight tickets
Air Canada
26 Jul
SNA13:15Santa Ana J. Wayne/Orange Cnty
33h 15m
2 stops
LHR06:30London Heathrow
19 Aug
LHR15:05London Heathrow
30h 52m
2 stops
SNA13:57Santa Ana J. Wayne/Orange Cnty
£670
Air Canada
25 Jul
SNA18:26Santa Ana J. Wayne/Orange Cnty
28h 04m
2 stops
LHR06:30London Heathrow
19 Aug
LHR15:05London Heathrow
30h 52m
2 stops
SNA13:57Santa Ana J. Wayne/Orange Cnty
£676
Air Canada
26 Jul
SNA13:15Santa Ana J. Wayne/Orange Cnty
33h 15m
2 stops
LHR06:30London Heathrow
20 Aug
LHR17:40London Heathrow
33h 11m
2 stops
SNA18:51Santa Ana J. Wayne/Orange Cnty
£677

Lufthansa flights from Santa Ana, California to London

Our best Lufthansa deals on Santa Ana, California to London flight tickets
Lufthansa
28 Jul
SNA13:05Santa Ana J. Wayne/Orange Cnty
21h 35m
2 stops
LHR18:40London Heathrow
20 Aug
LHR06:55London Heathrow
21h 49m
2 stops
SNA20:44Santa Ana J. Wayne/Orange Cnty
£672
Lufthansa
9 Aug
SNA18:20Santa Ana J. Wayne/Orange Cnty
17h 20m
2 stops
LHR19:40London Heathrow
22 Aug
LHR06:55London Heathrow
21h 49m
2 stops
SNA20:44Santa Ana J. Wayne/Orange Cnty
£700
Lufthansa
3 Aug
SNA18:20Santa Ana J. Wayne/Orange Cnty
20h 20m
2 stops
LHR22:40London Heathrow
18 Aug
LHR06:55London Heathrow
18h 34m
2 stops
SNA17:29Santa Ana J. Wayne/Orange Cnty
£729

momondo Fare Finder

 
Customise your flight search to find flights from Santa Ana, California to London 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 19 May 2026.
Use the filters below to find and compare flights from Santa Ana, California to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 11/11

12:25-11:50

1 stop15h 25m

London Heathrow

Wed 18/11

06:35-18:05

2 stops19h 30m

£666

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 7/10

06:45-06:25

1 stop15h 40m

London Heathrow

Wed 21/10

09:55-22:24

2 stops20h 29m

£669

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Sun 26/7

13:15-06:30

2 stops33h 15m

London Heathrow

Wed 19/8

15:05-13:57

2 stops30h 52m

£670

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Tue 28/7

13:05-18:40

2 stops21h 35m

London Heathrow

Thu 20/8

06:55-20:44

2 stops21h 49m

£672

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 7/10

11:45-12:05

2 stops16h 20m

London Heathrow

Wed 21/10

09:55-22:24

2 stops20h 29m

£673

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Sat 22/8

19:59-06:30

2 stops26h 31m

London Heathrow

Mon 31/8

20:05-20:51

2 stops32h 46m

£674

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Sat 25/7

18:26-06:30

2 stops28h 04m

London Heathrow

Wed 19/8

15:05-13:57

2 stops30h 52m

£676
Fastest return journey

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 9/9

11:42-09:05

1 stop13h 23m

London Heathrow

Wed 16/9

14:25-21:51

1 stop15h 26m

£680

Santa AnaLondon

SNA - LGW

SNALGW

Santa Ana J. Wayne/Orange Cnty

Wed 7/10

08:06-14:40

2 stops22h 34m

London Gatwick

Wed 21/10

15:40-21:55

2 stops38h 15m

£828

Santa AnaLondon

SNA - LCY

SNALCY

Santa Ana J. Wayne/Orange Cnty

Thu 3/9

11:10-17:55

2 stops22h 45m

London City

Fri 11/9

09:15-20:44

2 stops19h 29m

£961

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

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 typical price of a round-trip flight between Santa Ana, California and London?

What is the cheapest month to fly to London?

The cheapest month to fly to London from Santa Ana, California is in August. Flight prices, which tend to average around £392, are often lower during this time because this is during the off-season. The month of October is another great option to travel to London, with average flight prices from Santa Ana, California averaging around £398.

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

Our data shows that Wednesday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £524. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Santa Ana, California to London for around £651.

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

The cheapest time of day to fly to London is in the afternoon when flights can be purchased for as low as £558. Flights in the evening are often more expensive, with an average ticket price of £607.

When to book flights from Santa Ana, California to London

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

Cheap Santa Ana, California to London (SNA to LON) flight deals and tips

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

Fastest flight time

12h 25m

Direct flights

None
The fastest flight from Santa Ana, California to London takes 12h 25m
There are no direct flights from Santa Ana, California to London. There are no popular flight routes from Santa Ana, California to London.
Search flight deals

Frequently asked questions about flying from Santa Ana, California to London

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

    A flight from Santa Ana J. Wayne/Orange Cnty to London will travel around 5442.6 mi. In terms of flight time, this usually takes a little over 12h 25m.

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

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

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

    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.

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

    The necessary travel and health documents for your London 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.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Gatwick
Wembley
Slough
Maidstone
Ipswich
Southend-on-Sea
Canterbury
Ilford
Hayes
Guildford
Folkestone
Chelmsford
Dover
Bedford
Chichester
Harlow
Colchester

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Santa Ana to London for you.

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

momondo does allow users to show only those flights to London from Santa Ana which offer a flexible booking policy as well as other useful filters and features.

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

Once all potential Santa Ana to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes momondo offers price alerts on flights to London from Santa Ana. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London
London City Airport
London Gatwick Airport
London Heathrow Airport
London Luton Airport
London Southend Airport
London Stansted Airport