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Cheap flights from Santa Ana, California to London from £274

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 19/7. 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.
Scandinavian Airlines Logo
07:45 - 21:40
SNA
-
LHR
29h 55m
2 stops
Scandinavian Airlines Logo
06:40 - 18:05
LHR
-
SNA
19h 25m
3 stops
£653Scandinavian Airlines
Sun, 27 Sep - Sun, 4 Oct
Iberia Logo
14:29 - 14:25
SNA
-
LHR
15h 56m
1 stop
Iberia Logo
06:30 - 21:51
LHR
-
SNA
23h 21m
2 stops
£657Iberia
Wed, 7 Oct - Wed, 21 Oct
Delta Logo
07:00 - 10:00
SNA
-
LHR
19h 00m
1 stop
Delta Logo
09:55 - 22:24
LHR
-
SNA
20h 29m
2 stops
£657Delta
Wed, 7 Oct - Wed, 21 Oct
Delta Logo
13:44 - 10:00
SNA
-
LHR
12h 16m
1 stop
Delta Logo
06:30 - 17:22
LHR
-
SNA
18h 52m
2 stops
£658Delta
Mon, 27 Jul - Wed, 19 Aug
Delta Logo
07:00 - 10:20
SNA
-
LHR
19h 20m
2 stops
Delta Logo
09:55 - 22:24
LHR
-
SNA
20h 29m
2 stops
£661Delta
Wed, 7 Oct - Wed, 21 Oct
Virgin Atlantic Logo
08:00 - 13:05
SNA
-
LHR
21h 05m
1 stop
Virgin Atlantic Logo
06:15 - 16:13
LHR
-
SNA
17h 58m
2 stops
£663Virgin Atlantic
Tue, 28 Jul - Thu, 20 Aug
Air Canada Logo
13:15 - 06:30
SNA
-
LHR
33h 15m
2 stops
Air Canada Logo
14:05 - 13:05
LHR
-
SNA
31h 00m
2 stops
£664Air Canada
Mon, 10 Aug - Fri, 21 Aug
United Airlines Logo
14:10 - 11:55
SNA
-
LHR
13h 45m
1 stop
United Airlines Logo
14:05 - 13:05
LHR
-
SNA
31h 00m
2 stops
£665United Airlines
Mon, 10 Aug - Fri, 21 Aug
Air Canada Logo
18:20 - 06:30
SNA
-
LHR
28h 10m
2 stops
Air Canada Logo
14:05 - 13:05
LHR
-
SNA
31h 00m
2 stops
£667Air Canada
Tue, 28 Jul - Fri, 21 Aug
Delta Logo
14:09 - 16:00
SNA
-
LGW
17h 51m
2 stops
Delta Logo
10:25 - 22:06
LGW
-
SNA
19h 41m
2 stops
£667Delta
Tue, 28 Jul - Thu, 20 Aug

Scandinavian Airlines flights from Santa Ana, California to London

Our best Scandinavian Airlines deals on Santa Ana, California to London flight tickets
Scandinavian Airlines
27 Sept
SNA07:45Santa Ana J. Wayne/Orange Cnty
29h 55m
2 stops
LHR21:40London Heathrow
4 Oct
LHR06:40London Heathrow
19h 25m
3 stops
SNA18:05Santa Ana J. Wayne/Orange Cnty
£653
Scandinavian Airlines
15 Sept
SNA07:15Santa Ana J. Wayne/Orange Cnty
24h 45m
3 stops
LHR16:00London Heathrow
22 Sept
LHR07:05London Heathrow
19h 00m
3 stops
SNA18:05Santa Ana J. Wayne/Orange Cnty
£698
Scandinavian Airlines
22 May
SNA10:50Santa Ana J. Wayne/Orange Cnty
18h 45m
2 stops
LHR13:35London Heathrow
28 May
LHR19:50London Heathrow
29h 58m
3 stops
SNA17:48Santa Ana J. Wayne/Orange Cnty
£1,157

British Airways flights from Santa Ana, California to London

Our best British Airways deals on Santa Ana, California to London flight tickets
British Airways
12 Aug
SNA13:20Santa Ana J. Wayne/Orange Cnty
13h 45m
1 stop
LHR11:05London Heathrow
20 Aug
LHR14:25London Heathrow
15h 20m
1 stop
SNA21:45Santa Ana J. Wayne/Orange Cnty
£669
British Airways
3 Aug
SNA08:00Santa Ana J. Wayne/Orange Cnty
17h 00m
1 stop
LHR09:00London Heathrow
18 Aug
LHR20:00London Heathrow
31h 35m
2 stops
SNA19:35Santa Ana J. Wayne/Orange Cnty
£678
British Airways
15 Sept
SNA09:51Santa Ana J. Wayne/Orange Cnty
13h 49m
1 stop
LHR07:40London Heathrow
22 Sept
LHR11:00London Heathrow
16h 39m
1 stop
SNA19:39Santa Ana J. Wayne/Orange Cnty
£679

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 11 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

Sun 27/9

07:45-21:40

2 stops29h 55m

London Heathrow

Sun 4/10

06:40-18:05

3 stops19h 25m

£653

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 7/10

14:29-14:25

1 stop15h 56m

London Heathrow

Wed 21/10

06:30-21:51

2 stops23h 21m

£657

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 7/10

07:00-10:00

1 stop19h 00m

London Heathrow

Wed 21/10

09:55-22:24

2 stops20h 29m

£657
Fastest return journey

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Mon 27/7

13:44-10:00

1 stop12h 16m

London Heathrow

Wed 19/8

06:30-17:22

2 stops18h 52m

£658

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 7/10

07:00-10:20

2 stops19h 20m

London Heathrow

Wed 21/10

09:55-22:24

2 stops20h 29m

£661

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Tue 28/7

08:00-13:05

1 stop21h 05m

London Heathrow

Thu 20/8

06:15-16:13

2 stops17h 58m

£663

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Mon 10/8

13:15-06:30

2 stops33h 15m

London Heathrow

Fri 21/8

14:05-13:05

2 stops31h 00m

£664

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Mon 10/8

14:10-11:55

1 stop13h 45m

London Heathrow

Fri 21/8

14:05-13:05

2 stops31h 00m

£665

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Tue 28/7

18:20-06:30

2 stops28h 10m

London Heathrow

Fri 21/8

14:05-13:05

2 stops31h 00m

£667

Santa AnaLondon

SNA - LGW

SNALGW

Santa Ana J. Wayne/Orange Cnty

Tue 28/7

14:09-16:00

2 stops17h 51m

London Gatwick

Thu 20/8

10:25-22:06

2 stops19h 41m

£667

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 £385, 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 £391.

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 £513. 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 £638.

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 £542. Flights in the evening are often more expensive, with an average ticket price of £594.

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 32m

Direct flights

None
The fastest flight from Santa Ana, California to London takes 12h 32m
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 32m.

  • 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
Chichester
Bedford
Harlow
Ramsgate

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