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Cheap flights from Santa Ana, California to London from £242

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 28/9. 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
1 adult, Economy, 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
18:28 - 06:40
SNA
-
LHR
28h 12m
2 stops
United Airlines Logo
06:35 - 18:05
LHR
-
SNA
19h 30m
2 stops
£606United Airlines
Tue, 10 Nov - Fri, 13 Nov
Multiple Airlines Logo
12:25 - 11:50
SNA
-
LHR
15h 25m
1 stop
Multiple Airlines Logo
13:15 - 21:53
LHR
-
SNA
16h 38m
1 stop
£619Multiple Airlines
Wed, 18 Nov - Sat, 28 Nov
British Airways Logo
11:42 - 11:35
SNA
-
LHR
15h 53m
1 stop
British Airways Logo
13:15 - 21:53
LHR
-
SNA
16h 38m
1 stop
£628British Airways
Wed, 25 Nov - Mon, 30 Nov
Air Canada Logo
13:15 - 13:20
SNA
-
LHR
16h 05m
1 stop
Air Canada Logo
08:40 - 12:18
LHR
-
SNA
35h 38m
2 stops
£635Air Canada
Wed, 7 Oct - Wed, 21 Oct
Multiple Airlines Logo
09:45 - 11:50
SNA
-
LHR
18h 05m
2 stops
Multiple Airlines Logo
13:15 - 21:53
LHR
-
SNA
16h 38m
1 stop
£641Multiple Airlines
Wed, 18 Nov - Sat, 28 Nov
Iberia Logo
10:35 - 09:00
SNA
-
LHR
14h 25m
1 stop
Iberia Logo
18:45 - 09:46
LHR
-
SNA
22h 01m
2 stops
£642Iberia
Wed, 21 Oct - Wed, 28 Oct
Delta Logo
07:00 - 10:00
SNA
-
LHR
19h 00m
1 stop
Delta Logo
06:30 - 17:59
LHR
-
SNA
19h 29m
2 stops
£645Delta
Wed, 7 Oct - Wed, 21 Oct
Delta Logo
15:45 - 15:35
SNA
-
LHR
15h 50m
1 stop
Delta Logo
06:30 - 18:08
LHR
-
SNA
19h 38m
2 stops
£646Delta
Tue, 13 Oct - Thu, 22 Oct
United Airlines Logo
19:50 - 11:15
SNA
-
LHR
31h 25m
1 stop
United Airlines Logo
14:30 - 11:26
LHR
-
SNA
28h 56m
1 stop
£646United Airlines
Tue, 10 Nov - Fri, 13 Nov
Delta Logo
06:45 - 08:50
SNA
-
LHR
18h 05m
2 stops
Delta Logo
11:45 - 21:55
LHR
-
SNA
18h 10m
2 stops
£649Delta
Wed, 7 Oct - Wed, 21 Oct

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United Airlines flights from Santa Ana, California to London

Our best United Airlines deals on Santa Ana, California to London flight tickets
United Airlines
10 Nov
SNA18:28Santa Ana J. Wayne/Orange Cnty
28h 12m
2 stops
LHR06:40London Heathrow
13 Nov
LHR06:35London Heathrow
19h 30m
2 stops
SNA18:05Santa Ana J. Wayne/Orange Cnty
£606
United Airlines
10 Nov
SNA19:50Santa Ana J. Wayne/Orange Cnty
31h 25m
1 stop
LHR11:15London Heathrow
13 Nov
LHR14:30London Heathrow
28h 56m
1 stop
SNA11:26Santa Ana J. Wayne/Orange Cnty
£646
United Airlines
7 Oct
SNA13:05Santa Ana J. Wayne/Orange Cnty
12h 35m
1 stop
LHR09:40London Heathrow
21 Oct
LHR15:05London Heathrow
29h 13m
1 stop
SNA12:18Santa Ana J. Wayne/Orange Cnty
£659

British Airways flights from Santa Ana, California to London

Our best British Airways deals on Santa Ana, California to London flight tickets
British Airways
25 Nov
SNA11:42Santa Ana J. Wayne/Orange Cnty
15h 53m
1 stop
LHR11:35London Heathrow
30 Nov
LHR13:15London Heathrow
16h 38m
1 stop
SNA21:53Santa Ana J. Wayne/Orange Cnty
£628
British Airways
1 Oct
SNA07:45Santa Ana J. Wayne/Orange Cnty
17h 20m
1 stop
LHR09:05London Heathrow
12 Oct
LHR16:25London Heathrow
23h 49m
1 stop
SNA08:14Santa Ana J. Wayne/Orange Cnty
£652
British Airways
3 Aug
SNA11:31Santa Ana J. Wayne/Orange Cnty
13h 34m
1 stop
LHR09:05London Heathrow
18 Aug
LHR17:10London Heathrow
34h 25m
2 stops
SNA19:35Santa Ana J. Wayne/Orange Cnty
£698

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 15 June 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

Tue 10/11

18:28-06:40

2 stops28h 12m

London Heathrow

Fri 13/11

06:35-18:05

2 stops19h 30m

£606
Fastest return journey

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 18/11

12:25-11:50

1 stop15h 25m

London Heathrow

Sat 28/11

13:15-21:53

1 stop16h 38m

£619

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 25/11

11:42-11:35

1 stop15h 53m

London Heathrow

Mon 30/11

13:15-21:53

1 stop16h 38m

£628

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 7/10

13:15-13:20

1 stop16h 05m

London Heathrow

Wed 21/10

08:40-12:18

2 stops35h 38m

£635

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 18/11

09:45-11:50

2 stops18h 05m

London Heathrow

Sat 28/11

13:15-21:53

1 stop16h 38m

£641

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 21/10

10:35-09:00

1 stop14h 25m

London Heathrow

Wed 28/10

18:45-09:46

2 stops22h 01m

£642

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

06:30-17:59

2 stops19h 29m

£645

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Tue 13/10

15:45-15:35

1 stop15h 50m

London Heathrow

Thu 22/10

06:30-18:08

2 stops19h 38m

£646

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Tue 10/11

19:50-11:15

1 stop31h 25m

London Heathrow

Fri 13/11

14:30-11:26

1 stop28h 56m

£646

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 7/10

06:45-08:50

2 stops18h 05m

London Heathrow

Wed 21/10

11:45-21:55

2 stops18h 10m

£648

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 October. Flight prices, which tend to average around £397, are often lower during this time because this is during the off-season. The month of August is another great option to travel to London, with average flight prices from Santa Ana, California averaging around £432.

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 £543. 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 £678.

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

The cheapest time of day to fly to London is at midday when flights can be purchased for as low as £538. Flights in the evening are often more expensive, with an average ticket price of £622.

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
Wembley
Milton Keynes
Gatwick
Luton
Slough
Southend-on-Sea
Maidstone
Ipswich
Ilford
Canterbury
Folkestone
Guildford
Hayes
Bedford
Chichester
Dover
Harlow
Chelmsford
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