Cheap flights from Santa Ana to London from $252

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 to London departing on 9/29. 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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Cheap round-trip flights

Virgin Atlantic Logo
6:45 am - 9:00 amSNA-LHR
19h 15m1 stop
Virgin Atlantic Logo
8:55 am - 10:28 pmLHR-SNA
21h 33m1 stop
$568Virgin Atlantic
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Wed, Oct 29 - Wed, Nov 5
Virgin Atlantic Logo
6:45 am - 6:25 amSNA-LHR
16h 40m1 stop
Virgin Atlantic Logo
7:50 pm - 8:08 pmLHR-SNA
32h 18m2 stops
$573Virgin Atlantic
Find Deal
Wed, Oct 29 - Wed, Nov 5
Delta Logo
3:10 pm - 2:15 pmSNA-LHR
15h 05m1 stop
Delta Logo
8:55 am - 10:28 pmLHR-SNA
20h 33m2 stops
$594Delta
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Tue, Oct 21 - Thu, Oct 30
Delta Logo
11:05 am - 11:20 amSNA-LHR
16h 15m1 stop
Delta Logo
9:55 am - 10:17 pmLHR-SNA
20h 22m2 stops
$595Delta
Find Deal
Tue, Oct 14 - Tue, Oct 21
British Airways Logo
11:28 am - 9:00 amSNA-LHR
13h 32m1 stop
British Airways Logo
10:05 am - 10:17 pmLHR-SNA
19h 12m1 stop
$596British Airways
Find Deal
Tue, Oct 21 - Thu, Oct 30
Delta Logo
9:42 am - 7:05 amSNA-LHR
14h 23m2 stops
Delta Logo
6:20 am - 6:19 pmLHR-SNA
19h 59m2 stops
$598Delta
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Wed, Oct 29 - Wed, Nov 5
KLM Logo
8:01 am - 7:05 amSNA-LHR
15h 04m1 stop
KLM Logo
10:45 am - 6:09 pmLHR-SNA
15h 24m1 stop
$632KLM
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Wed, Nov 19 - Tue, Dec 2
British Airways Logo
3:10 pm - 7:20 amSNA-LHR
32h 10m1 stop
British Airways Logo
8:20 am - 8:04 pmLHR-SNA
19h 44m1 stop
$647British Airways
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Sat, Oct 4 - Sun, Oct 12
United Airlines Logo
2:35 pm - 12:00 pmSNA-LHR
13h 25m1 stop
United Airlines Logo
10:05 am - 6:18 pmLHR-SNA
16h 13m1 stop
$662United Airlines
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Sun, Nov 9 - Fri, Nov 28
United Airlines Logo
12:25 pm - 11:50 amSNA-LHR
16h 25m1 stop
United Airlines Logo
11:35 am - 5:26 pmLHR-SNA
13h 51m1 stop
$676United Airlines
Find Deal
Mon, Oct 27 - Fri, Nov 7

United Airlines flights from Santa Ana to London

Our best United Airlines deals on Santa Ana to London flight tickets
United Airlines
Nov 9
SNA2:35 pmSanta Ana J. Wayne/Orange Cnty
13h 25m
1 stop
LHR12:00 pmLondon Heathrow
Nov 28
LHR10:05 amLondon Heathrow
16h 13m
1 stop
SNA6:18 pmSanta Ana J. Wayne/Orange Cnty
United Airlines
Sep 30
SNA4:15 pmSanta Ana J. Wayne/Orange Cnty
12h 05m
1 stop
LHR12:20 pmLondon Heathrow
Oct 7
LHR2:10 pmLondon Heathrow
30h 08m
1 stop
SNA12:18 pmSanta Ana J. Wayne/Orange Cnty
United Airlines
Oct 27
SNA12:25 pmSanta Ana J. Wayne/Orange Cnty
16h 25m
1 stop
LHR11:50 amLondon Heathrow
Nov 7
LHR11:35 amLondon Heathrow
13h 51m
1 stop
SNA5:26 pmSanta Ana J. Wayne/Orange Cnty

Delta flights from Santa Ana to London

Our best Delta deals on Santa Ana to London flight tickets
Delta
Oct 21
SNA3:10 pmSanta Ana J. Wayne/Orange Cnty
15h 05m
1 stop
LHR2:15 pmLondon Heathrow
Oct 30
LHR8:55 amLondon Heathrow
20h 33m
2 stops
SNA10:28 pmSanta Ana J. Wayne/Orange Cnty
Delta
Oct 14
SNA11:05 amSanta Ana J. Wayne/Orange Cnty
16h 15m
1 stop
LHR11:20 amLondon Heathrow
Oct 21
LHR9:55 amLondon Heathrow
20h 22m
2 stops
SNA10:17 pmSanta Ana J. Wayne/Orange Cnty
Delta
Oct 29
SNA9:42 amSanta Ana J. Wayne/Orange Cnty
14h 23m
2 stops
LHR7:05 amLondon Heathrow
Nov 5
LHR6:20 amLondon Heathrow
19h 59m
2 stops
SNA6:19 pmSanta Ana J. Wayne/Orange Cnty

momondo Fare Finder

 
Customize your flight search to find flights from Santa Ana 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 832,500 searches. Data last updated September 16, 2025.
Use the filters below to find and compare flights from Santa Ana to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 10/29

6:45 am-9:00 am

1 stop19h 15m

London Heathrow

Wed 11/5

8:55 am-10:28 pm

1 stop21h 33m

$568

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 10/29

6:45 am-6:25 am

1 stop16h 40m

London Heathrow

Wed 11/5

7:50 pm-8:08 pm

2 stops32h 18m

$573

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Tue 10/21

3:10 pm-2:15 pm

1 stop15h 05m

London Heathrow

Thu 10/30

8:55 am-10:28 pm

2 stops20h 33m

$594

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Tue 10/14

11:05 am-11:20 am

1 stop16h 15m

London Heathrow

Tue 10/21

9:55 am-10:17 pm

2 stops20h 22m

$595

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Tue 10/21

11:28 am-9:00 am

1 stop13h 32m

London Heathrow

Thu 10/30

10:05 am-10:17 pm

1 stop19h 12m

$596

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 10/29

9:42 am-7:05 am

2 stops14h 23m

London Heathrow

Wed 11/5

6:20 am-6:19 pm

2 stops19h 59m

$598

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 11/19

8:01 am-7:05 am

1 stop15h 04m

London Heathrow

Tue 12/2

10:45 am-6:09 pm

1 stop15h 24m

$632

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Sat 10/4

3:10 pm-7:20 am

1 stop32h 10m

London Heathrow

Sun 10/12

8:20 am-8:04 pm

1 stop19h 44m

$647

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Sun 11/9

2:35 pm-12:00 pm

1 stop13h 25m

London Heathrow

Fri 11/28

10:05 am-6:18 pm

1 stop16h 13m

$662

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Mon 10/27

12:25 pm-11:50 am

1 stop16h 25m

London Heathrow

Fri 11/7

11:35 am-5:26 pm

1 stop13h 51m

$676

Flights are sorted by cheapest round-trip 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 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 is in October. Flight prices, which tend to average around $627, are often lower during this time because this is during the off-season. The month of February is another great option to travel to London, with average flight prices from Santa Ana averaging around $692.

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

The cheapest day to depart from Santa Ana to London is on a Wednesday. Travelers who choose to depart for London on a Wednesday will often find tickets for as low as $759. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $875. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.

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

Flying to London from Santa Ana at noon is the least expensive time of day to depart. momondo users have found prices as low as $772 when looking at flights departing at noon. Flights to London are more costly in the morning, with an average ticket price of $966. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

How have Santa Ana to London flight prices changed over time?

As of September 2025, prices for Santa Ana to London flights are approximately 87% more expensive when compared to flights at the same time last year.

When to book flights from Santa Ana to London

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

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

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

Direct flights

None
There are no direct flights from Santa Ana to London. There are no popular flight routes from Santa Ana to London.
  • How far is Santa Ana J. Wayne/Orange Cnty to London by plane?

    There are 5442.6 mi between Santa Ana J. Wayne/Orange Cnty and London. 12h 10m is a normal flight duration for this route.

  • 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 are updated daily.

  • How many operators does momondo search for flights from Santa Ana J. Wayne/Orange Cnty Airport to London?

  • 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 travel and health documents required for your trip to London can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Santa Ana to London?

Best airlines flying from Santa Ana to London

Compare and see reviews for airlines that fly from Santa Ana to London with momondo
Airline
Rating
Free Cancellation
Price
Virgin AtlanticPriceFrom $580Free CancellationRating
7.4
664 reviews
Search Virgin Atlantic flights
DeltaPriceFrom $641Free CancellationRating
7.9
7,957 reviews
Search Delta flights
United AirlinesPriceFrom $702Free CancellationRating
7.4
8,924 reviews
Search United Airlines flights
American AirlinesPriceFrom $1,205Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Dover
Luton
Slough
Milton Keynes
Hayes
Guildford
Dartford
Crawley
Stansted
Chelmsford
Brentwood
Ilford
Folkestone
Colchester
Watford
Wembley
Richmond
Croydon

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Santa Ana to London. Millions of users trust and use momondo every year so you are in good hands.

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?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Santa Ana to London.

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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1 adult
Thu 10/16
Thu 10/23

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