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Cheap flights from Santa Ana, California to London from $245

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 1/20. 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 round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
10:00 am - 12:00 pm
SNA
-
LHR
18h 00m1 stop
Lufthansa Logo
7:40 am - 8:42 pm
LHR
-
SNA
21h 02m2 stops
$597Lufthansa
Wed, Jan 21 - Mon, Feb 2
Lufthansa Logo
10:00 am - 12:00 pm
SNA
-
LHR
18h 00m1 stop
Lufthansa Logo
8:15 pm - 6:31 pm
LHR
-
SNA
30h 16m2 stops
$607Lufthansa
Wed, Jan 21 - Fri, Jan 30
Multiple Airlines Logo
12:25 pm - 11:50 am
SNA
-
LHR
15h 25m1 stop
Multiple Airlines Logo
6:35 am - 11:25 am
LHR
-
SNA
36h 50m2 stops
$614Multiple Airlines
Thu, Jan 22 - Fri, Feb 6
Lufthansa Logo
11:05 am - 12:50 pm
SNA
-
LHR
17h 45m2 stops
Lufthansa Logo
6:35 am - 8:42 pm
LHR
-
SNA
22h 07m2 stops
$615Lufthansa
Wed, Jan 21 - Mon, Feb 2
Air Canada Logo
12:25 pm - 11:50 am
SNA
-
LHR
15h 25m1 stop
Air Canada Logo
2:30 pm - 11:25 am
LHR
-
SNA
28h 55m1 stop
$617Air Canada
Thu, Jan 15 - Wed, Jan 28
Multiple Airlines Logo
12:25 pm - 11:50 am
SNA
-
LHR
15h 25m1 stop
Multiple Airlines Logo
2:30 pm - 11:25 am
LHR
-
SNA
28h 55m1 stop
$618Multiple Airlines
Wed, Jan 21 - Fri, Jan 30
Multiple Airlines Logo
12:25 pm - 11:50 am
SNA
-
LHR
15h 25m1 stop
Multiple Airlines Logo
7:40 am - 6:31 pm
LHR
-
SNA
18h 51m2 stops
$619Multiple Airlines
Sat, Jan 31 - Sat, Feb 7
United Airlines Logo
12:25 pm - 11:50 am
SNA
-
LHR
15h 25m1 stop
United Airlines Logo
6:35 am - 6:31 pm
LHR
-
SNA
19h 56m2 stops
$624United Airlines
Sat, Jan 31 - Sat, Feb 7
Iberia Logo
10:53 am - 2:05 pm
SNA
-
LCY
19h 12m2 stops
Iberia Logo
7:50 am - 8:55 pm
LCY
-
SNA
21h 05m2 stops
$718Iberia
Wed, Jan 21 - Wed, Jan 28
Iberia Logo
10:53 am - 2:05 pm
SNA
-
LCY
19h 12m2 stops
Iberia Logo
7:50 am - 8:55 pm
LCY
-
SNA
21h 05m2 stops
$767Iberia
Wed, Jan 21 - Fri, Jan 30

Air Canada flights from Santa Ana, California to London

Our best Air Canada deals on Santa Ana, California to London flight tickets
Air Canada
Jan 15
SNA12:25 pmSanta Ana J. Wayne/Orange Cnty
15h 25m
1 stop
LHR11:50 amLondon Heathrow
Jan 28
LHR2:30 pmLondon Heathrow
28h 55m
1 stop
SNA11:25 amSanta Ana J. Wayne/Orange Cnty
$617
Find similar
Air Canada
Jan 16
SNA12:25 pmSanta Ana J. Wayne/Orange Cnty
15h 25m
1 stop
LHR11:50 amLondon Heathrow
Jan 22
LHR1:25 pmLondon Heathrow
30h 00m
2 stops
SNA11:25 amSanta Ana J. Wayne/Orange Cnty
$645
Find similar
Air Canada
Apr 20
SNA12:25 pmSanta Ana J. Wayne/Orange Cnty
16h 55m
1 stop
LHR1:20 pmLondon Heathrow
May 1
LHR2:05 pmLondon Heathrow
35h 17m
2 stops
SNA5:22 pmSanta Ana J. Wayne/Orange Cnty
$677
Find similar

United Airlines flights from Santa Ana, California to London

Our best United Airlines deals on Santa Ana, California to London flight tickets
United Airlines
Jan 31
SNA12:25 pmSanta Ana J. Wayne/Orange Cnty
15h 25m
1 stop
LHR11:50 amLondon Heathrow
Feb 7
LHR6:35 amLondon Heathrow
19h 56m
2 stops
SNA6:31 pmSanta Ana J. Wayne/Orange Cnty
$624
Find similar
United Airlines
Jan 29
SNA3:41 pmSanta Ana J. Wayne/Orange Cnty
31h 44m
1 stop
LHR7:25 amLondon Heathrow
Feb 2
LHR2:30 pmLondon Heathrow
28h 55m
1 stop
SNA11:25 amSanta Ana J. Wayne/Orange Cnty
$629
Find similar
United Airlines
Jan 29
SNA12:25 pmSanta Ana J. Wayne/Orange Cnty
15h 25m
1 stop
LHR11:50 amLondon Heathrow
Feb 2
LHR1:25 pmLondon Heathrow
37h 16m
2 stops
SNA6:41 pmSanta Ana J. Wayne/Orange Cnty
$632
Find similar

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated December 18, 2025.
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

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 1/21

10:00 am-12:00 pm

1 stop18h 00m

London Heathrow

Mon 2/2

7:40 am-8:42 pm

2 stops21h 02m

$597

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 1/21

10:00 am-12:00 pm

1 stop18h 00m

London Heathrow

Fri 1/30

8:15 pm-6:31 pm

2 stops30h 16m

$607

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Thu 1/22

12:25 pm-11:50 am

1 stop15h 25m

London Heathrow

Fri 2/6

6:35 am-11:25 am

2 stops36h 50m

$614

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 1/21

11:05 am-12:50 pm

2 stops17h 45m

London Heathrow

Mon 2/2

6:35 am-8:42 pm

2 stops22h 07m

$615

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Thu 1/15

12:25 pm-11:50 am

1 stop15h 25m

London Heathrow

Wed 1/28

2:30 pm-11:25 am

1 stop28h 55m

$617

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 1/21

12:25 pm-11:50 am

1 stop15h 25m

London Heathrow

Fri 1/30

2:30 pm-11:25 am

1 stop28h 55m

$618

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Sat 1/31

12:25 pm-11:50 am

1 stop15h 25m

London Heathrow

Sat 2/7

7:40 am-6:31 pm

2 stops18h 51m

$619

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Sat 1/31

12:25 pm-11:50 am

1 stop15h 25m

London Heathrow

Sat 2/7

6:35 am-6:31 pm

2 stops19h 56m

$624

Santa AnaLondon

SNA - LCY

SNALCY

Santa Ana J. Wayne/Orange Cnty

Wed 1/21

10:53 am-2:05 pm

2 stops19h 12m

London City

Wed 1/28

7:50 am-8:55 pm

2 stops21h 05m

$718

Santa AnaLondon

SNA - LCY

SNALCY

Santa Ana J. Wayne/Orange Cnty

Wed 1/21

10:53 am-2:05 pm

2 stops19h 12m

London City

Fri 1/30

7:50 am-8:55 pm

2 stops21h 05m

$767

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 day to depart on your flight to London?

The cheapest day to depart from Santa Ana, California to London is on a Wednesday. Travelers who choose to depart for London on a Wednesday will often find tickets for as low as $752. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $844. 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, California at noon is the least expensive time of day to depart. momondo users have found prices as low as $768 when looking at flights departing at noon. Flights to London are more costly in the evening, with an average ticket price of $817. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

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 round-trip 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 18m

Direct flights

None
The fastest flight from Santa Ana, California to London takes 12h 18m
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

  • 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 18m 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, California to London?

Best airlines flying from Santa Ana, California to London

Compare and see reviews for airlines that fly from Santa Ana, California to London with momondo
Airline
Rating
Free Cancellation
Price
Virgin AtlanticPriceFrom $580Free CancellationRating
7.5
675 reviews
Search Virgin Atlantic flights
British AirwaysPriceFrom $588Free CancellationRating
6.7
7,585 reviews
Search British Airways flights
DeltaPriceFrom $625Free CancellationRating
7.9
8,006 reviews
Search Delta flights
United AirlinesPriceFrom $702Free CancellationRating
7.4
9,091 reviews
Search United Airlines flights
American AirlinesPriceFrom $885Free CancellationRating
7.2
11,054 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
Milton Keynes
Dover
Luton
Slough
Guildford
Hayes
Dartford
Crawley
Brentwood
Wembley
Watford
Ilford
Cobham
Folkestone
Romford
Richmond
Uxbridge
Stansted

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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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