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Cheap flights from Santa Ana, California to London from £236

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 11/11. 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

Find the cheapest flights from Santa Ana, California to London

Cheap return flights

Enter your travel dates to find the best prices.
Iberia Logo
08:00 - 08:15SNA  Santa Ana J. Wayne/Orange Cnty-LHR London Heathrow
16h 15m1 stop Dallas/Fort Worth
Iberia Logo
19:40 - 08:33LHR  London Heathrow-SNA Santa Ana J. Wayne/Orange Cnty
20h 53m2 stops Madrid Barajas Dallas/Fort Worth
£638Iberia
Wed, 25 Nov - Wed, 2 Dec
Multiple Airlines Logo
08:46 - 11:20SNA  Santa Ana J. Wayne/Orange Cnty-LHR London Heathrow
18h 34m2 stops Denver Intl Toronto Pearson Intl
Multiple Airlines Logo
14:45 - 21:26LHR  London Heathrow-SNA Santa Ana J. Wayne/Orange Cnty
14h 41m1 stop Seattle/Tacoma Intl
£639Multiple Airlines
Thu, 19 Nov - Sun, 22 Nov
Multiple Airlines Logo
13:23 - 12:15SNA  Santa Ana J. Wayne/Orange Cnty-LHR London Heathrow
14h 52m1 stop Phoenix Sky Harbor Intl
Multiple Airlines Logo
14:45 - 22:29LHR  London Heathrow-SNA Santa Ana J. Wayne/Orange Cnty
15h 44m1 stop Seattle/Tacoma Intl
£643Multiple Airlines
Thu, 19 Nov - Sun, 22 Nov
Air Canada Logo
13:15 - 13:20SNA  Santa Ana J. Wayne/Orange Cnty-LHR London Heathrow
16h 05m1 stop Vancouver Intl
Air Canada Logo
14:30 - 12:45LHR  London Heathrow-SNA Santa Ana J. Wayne/Orange Cnty
29h 15m1 stop Vancouver Intl
£644Air Canada
Sun, 11 Oct - Tue, 27 Oct
Multiple Airlines Logo
14:20 - 07:10SNA  Santa Ana J. Wayne/Orange Cnty-LHR London Heathrow
56h 50m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl
Multiple Airlines Logo
19:30 - 13:30LHR  London Heathrow-SNA Santa Ana J. Wayne/Orange Cnty
50h 00m2 stops Frankfurt am Main Vancouver Intl
£649Multiple Airlines
Thu, 19 Nov - Sun, 22 Nov
Alaska Airlines Logo
08:02 - 12:20SNA  Santa Ana J. Wayne/Orange Cnty-LHR London Heathrow
20h 18m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
14:45 - 21:26LHR  London Heathrow-SNA Santa Ana J. Wayne/Orange Cnty
14h 41m1 stop Seattle/Tacoma Intl
£649Alaska Airlines
Mon, 11 Jan - Wed, 13 Jan
Alaska Airlines Logo
16:30 - 12:20SNA  Santa Ana J. Wayne/Orange Cnty-LHR London Heathrow
35h 50m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
14:45 - 21:10LHR  London Heathrow-SNA Santa Ana J. Wayne/Orange Cnty
14h 25m1 stop Seattle/Tacoma Intl
£653Alaska Airlines
Sat, 14 Nov - Wed, 18 Nov
Air Canada Logo
14:20 - 06:30SNA  Santa Ana J. Wayne/Orange Cnty-LHR London Heathrow
32h 10m2 stops Vancouver Intl Toronto Pearson Intl
Air Canada Logo
14:30 - 13:30LHR  London Heathrow-SNA Santa Ana J. Wayne/Orange Cnty
31h 00m1 stop Vancouver Intl
£657Air Canada
Sat, 14 Nov - Wed, 18 Nov
United Airlines Logo
12:35 - 11:50SNA  Santa Ana J. Wayne/Orange Cnty-LHR London Heathrow
15h 15m1 stop Vancouver Intl
United Airlines Logo
14:30 - 11:45LHR  London Heathrow-SNA Santa Ana J. Wayne/Orange Cnty
29h 15m1 stop Vancouver Intl
£658United Airlines
Mon, 11 Jan - Wed, 13 Jan
Air Canada Logo
13:15 - 13:20SNA  Santa Ana J. Wayne/Orange Cnty-LHR London Heathrow
16h 05m1 stop Vancouver Intl
Air Canada Logo
08:40 - 12:18LHR  London Heathrow-SNA Santa Ana J. Wayne/Orange Cnty
35h 38m2 stops Zurich Vancouver Intl
£659Air Canada
Wed, 7 Oct - Wed, 21 Oct

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Iberia flights from Santa Ana, California to London

Our best Iberia deals on Santa Ana, California to London flight tickets
Iberia
25 Nov
SNA08:00Santa Ana J. Wayne/Orange Cnty
16h 15m
1 stop
LHR08:15London Heathrow
2 Dec
LHR19:40London Heathrow
20h 53m
2 stops
SNA08:33Santa Ana J. Wayne/Orange Cnty
£638
Iberia
25 Nov
SNA08:00Santa Ana J. Wayne/Orange Cnty
16h 15m
1 stop
LHR08:15London Heathrow
1 Dec
LHR06:05London Heathrow
24h 33m
2 stops
SNA22:38Santa Ana J. Wayne/Orange Cnty
£660
Iberia
26 Aug
SNA13:34Santa Ana J. Wayne/Orange Cnty
16h 51m
1 stop
LHR14:25London Heathrow
2 Sept
LHR06:15London Heathrow
21h 20m
2 stops
SNA19:35Santa Ana J. Wayne/Orange Cnty
£781

United Airlines flights from Santa Ana, California to London

Our best United Airlines deals on Santa Ana, California to London flight tickets
United Airlines
11 Jan
SNA12:35Santa Ana J. Wayne/Orange Cnty
15h 15m
1 stop
LHR11:50London Heathrow
13 Jan
LHR14:30London Heathrow
29h 15m
1 stop
SNA11:45Santa Ana J. Wayne/Orange Cnty
£658
United Airlines
11 Jan
SNA07:00Santa Ana J. Wayne/Orange Cnty
15h 40m
2 stops
LHR06:40London Heathrow
13 Jan
LHR14:30London Heathrow
29h 15m
1 stop
SNA11:45Santa Ana J. Wayne/Orange Cnty
£661
United Airlines
11 Jan
SNA12:35Santa Ana J. Wayne/Orange Cnty
15h 15m
1 stop
LHR11:50London Heathrow
13 Jan
LHR11:35London Heathrow
16h 44m
2 stops
SNA20:19Santa Ana J. Wayne/Orange Cnty
£669

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 16 August 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 Santa Ana J. Wayne/Orange Cnty - LHR London Heathrow

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 25/11

08:00-08:15

1 stop16h 15m

London Heathrow

Wed 2/12

19:40-08:33

2 stops20h 53m

£638

Santa AnaLondon

SNA Santa Ana J. Wayne/Orange Cnty - LHR London Heathrow

SNALHR

Santa Ana J. Wayne/Orange Cnty

Thu 19/11

08:46-11:20

2 stops18h 34m

London Heathrow

Sun 22/11

14:45-21:26

1 stop14h 41m

£639
Fastest return journey

Santa AnaLondon

SNA Santa Ana J. Wayne/Orange Cnty - LHR London Heathrow

SNALHR

Santa Ana J. Wayne/Orange Cnty

Thu 19/11

13:23-12:15

1 stop14h 52m

London Heathrow

Sun 22/11

14:45-22:29

1 stop15h 44m

£643

Santa AnaLondon

SNA Santa Ana J. Wayne/Orange Cnty - LHR London Heathrow

SNALHR

Santa Ana J. Wayne/Orange Cnty

Sun 11/10

13:15-13:20

1 stop16h 05m

London Heathrow

Tue 27/10

14:30-12:45

1 stop29h 15m

£644

Santa AnaLondon

SNA Santa Ana J. Wayne/Orange Cnty - LHR London Heathrow

SNALHR

Santa Ana J. Wayne/Orange Cnty

Thu 19/11

14:20-07:10

2 stops56h 50m

London Heathrow

Sun 22/11

19:30-13:30

2 stops50h 00m

£649

Santa AnaLondon

SNA Santa Ana J. Wayne/Orange Cnty - LHR London Heathrow

SNALHR

Santa Ana J. Wayne/Orange Cnty

Mon 11/1

08:02-12:20

1 stop20h 18m

London Heathrow

Wed 13/1

14:45-21:26

1 stop14h 41m

£649

Santa AnaLondon

SNA Santa Ana J. Wayne/Orange Cnty - LHR London Heathrow

SNALHR

Santa Ana J. Wayne/Orange Cnty

Sat 14/11

16:30-12:20

1 stop35h 50m

London Heathrow

Wed 18/11

14:45-21:10

1 stop14h 25m

£653

Santa AnaLondon

SNA Santa Ana J. Wayne/Orange Cnty - LHR London Heathrow

SNALHR

Santa Ana J. Wayne/Orange Cnty

Sat 14/11

14:20-06:30

2 stops32h 10m

London Heathrow

Wed 18/11

14:30-13:30

1 stop31h 00m

£657

Santa AnaLondon

SNA Santa Ana J. Wayne/Orange Cnty - LHR London Heathrow

SNALHR

Santa Ana J. Wayne/Orange Cnty

Mon 11/1

12:35-11:50

1 stop15h 15m

London Heathrow

Wed 13/1

14:30-11:45

1 stop29h 15m

£658

Santa AnaLondon

SNA Santa Ana J. Wayne/Orange Cnty - LHR London Heathrow

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

£659

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 cheapest month to fly to London?

The cheapest month to fly to London from Santa Ana, California is in February. Flight prices, which tend to average around £502, are often lower during this time because this is during the off-season. The month of March is another great option to travel to London, with average flight prices from Santa Ana, California averaging around £517.

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 £652. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Santa Ana, California to London for around £785.

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 £452. Flights in the afternoon are often more expensive, with an average ticket price of £712.

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

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