Which layover airport offers the lowest fares from Santa Ana, California to London?

Flights via Denver (DEN) offer the lowest average round-trip price of $663.

What is the cheapest airline that flies from Santa Ana J. Wayne/Orange Cnty to London?

United Airlines, British Airways, and Iberia are the most popular carriers operating from Santa Ana J. Wayne/Orange Cnty to London

Which layover airport has the shortest connection time from Santa Ana, California to London?

Denver (DEN) has the shortest average layover time for this route: 1h 40m.

Which layover airport has the shortest travel time from Santa Ana, California to London?

Flights connecting via Denver (DEN) have the shortest average one-way travel time: 13h 20m.

What airlines fly to London?

British Airways, United Airlines and Virgin Atlantic are the top three most popular airlines that fly to London from Santa Ana, California according to our data. British Airways is the first choice among our users, with 48% of people opting to fly with this airline when traveling to London. Keep in mind that there are 19 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

Which airport is the most popular layover for flights between Santa Ana, California and London?

Seattle (SEA) was the most common stop: 60% of momondo users choosing 1-stop flights on this route connected there.

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?

As of March 2026, there are 5 operators available to choose from 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.

$345 Cheap Flights from Santa Ana to London in 2026

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Find the cheapest flights from Santa Ana, California to London

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:23 pm - 12:10 pm

SNA

LHR

14h 47m

1 stop

6:15 am - 8:50 pm

LHR

SNA

22h 35m

2 stops

$692Iberia

Tue, Apr 14 - Tue, Apr 21

2:42 pm - 2:25 pm

SNA

LHR

15h 43m

1 stop

6:10 am - 8:50 pm

LHR

SNA

22h 40m

2 stops

$695Iberia

Tue, Apr 14 - Tue, Apr 21

11:05 am - 12:10 pm

SNA

LHR

17h 05m

1 stop

6:30 am - 5:53 pm

LHR

SNA

19h 23m

2 stops

$696Delta

Wed, Apr 8 - Wed, Apr 22

12:54 pm - 1:05 pm

SNA

LHR

16h 11m

2 stops

11:45 am - 10:28 pm

LHR

SNA

18h 43m

2 stops

$701Delta

Wed, Apr 8 - Wed, Apr 22

12:25 pm - 1:20 pm

SNA

LHR

16h 55m

1 stop

12:05 pm - 12:18 pm

LHR

SNA

32h 13m

2 stops

$705Air Canada

Tue, Mar 31 - Tue, Apr 7

7:15 am - 1:20 pm

SNA

LHR

22h 05m

2 stops

12:05 pm - 12:18 pm

LHR

SNA

32h 13m

2 stops

$710Air Canada

Tue, Mar 31 - Tue, Apr 7

12:52 pm - 10:55 am

SNA

LHR

14h 03m

1 stop

10:05 am - 3:30 pm

LHR

SNA

13h 25m

1 stop

$713British Airways

Tue, Mar 31 - Tue, Apr 7

12:25 pm - 1:20 pm

SNA

LHR

16h 55m

1 stop

9:30 am - 11:15 am

LHR

SNA

33h 45m

2 stops

$714Air Canada

Wed, Apr 8 - Wed, Apr 22

3:02 pm - 5:50 pm

SNA

LGW

18h 48m

2 stops

9:25 am - 8:51 pm

LGW

SNA

19h 26m

2 stops

$739SWISS

Tue, Sep 1 - Tue, Sep 15

3:02 pm - 5:25 pm

SNA

LCY

18h 23m

2 stops

9:15 am - 8:51 pm

LCY

SNA

19h 36m

2 stops

$765SWISS

Tue, Sep 1 - Tue, Sep 15

Virgin Atlantic flights from Santa Ana, California to London

Our best Virgin Atlantic deals on Santa Ana, California to London flight tickets

Virgin Atlantic

Apr 22

SNA1:35 pmSanta Ana J. Wayne/Orange Cnty

18h 00m

2 stops

LHR3:35 pmLondon Heathrow

Apr 29

LHR11:30 amLondon Heathrow

18h 58m

2 stops

SNA10:28 pmSanta Ana J. Wayne/Orange Cnty

$732

Virgin Atlantic

Mar 23

SNA8:00 amSanta Ana J. Wayne/Orange Cnty

16h 05m

1 stop

LHR7:05 amLondon Heathrow

Apr 7

LHR10:55 amLondon Heathrow

15h 15m

1 stop

SNA6:10 pmSanta Ana J. Wayne/Orange Cnty

$758

British Airways flights from Santa Ana, California to London

Our best British Airways deals on Santa Ana, California to London flight tickets

British Airways

Mar 31

SNA12:52 pmSanta Ana J. Wayne/Orange Cnty

14h 03m

1 stop

LHR10:55 amLondon Heathrow

Apr 7

LHR10:05 amLondon Heathrow

13h 25m

1 stop

SNA3:30 pmSanta Ana J. Wayne/Orange Cnty

$713

British Airways

Apr 8

SNA8:17 amSanta Ana J. Wayne/Orange Cnty

15h 38m

1 stop

LHR7:55 amLondon Heathrow

Apr 22

LHR10:05 amLondon Heathrow

18h 45m

1 stop

SNA8:50 pmSanta Ana J. Wayne/Orange Cnty

$724

British Airways

Mar 23

SNA2:47 pmSanta Ana J. Wayne/Orange Cnty

14h 28m

1 stop

LHR12:15 pmLondon Heathrow

Apr 7

LHR9:45 amLondon Heathrow

19h 28m

1 stop

SNA9:13 pmSanta Ana J. Wayne/Orange Cnty

$745

momondo Fare Finder

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 round-trip

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Tue 4/14

1:23 pm-12:10 pm

1 stop14h 47m

London Heathrow

Tue 4/21

6:15 am-8:50 pm

2 stops22h 35m

$692

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Tue 4/14

2:42 pm-2:25 pm

1 stop15h 43m

London Heathrow

Tue 4/21

6:10 am-8:50 pm

2 stops22h 40m

$695

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 4/8

11:05 am-12:10 pm

1 stop17h 05m

London Heathrow

Wed 4/22

6:30 am-5:53 pm

2 stops19h 23m

$696

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 4/8

12:54 pm-1:05 pm

2 stops16h 11m

London Heathrow

Wed 4/22

11:45 am-10:28 pm

2 stops18h 43m

$701

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Tue 3/31

12:25 pm-1:20 pm

1 stop16h 55m

London Heathrow

Tue 4/7

12:05 pm-12:18 pm

2 stops32h 13m

$705

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Tue 3/31

7:15 am-1:20 pm

2 stops22h 05m

London Heathrow

Tue 4/7

12:05 pm-12:18 pm

2 stops32h 13m

$710

Quickest round-trip

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Tue 3/31

12:52 pm-10:55 am

1 stop14h 03m

London Heathrow

Tue 4/7

10:05 am-3:30 pm

1 stop13h 25m

$713

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 4/8

12:25 pm-1:20 pm

1 stop16h 55m

London Heathrow

Wed 4/22

9:30 am-11:15 am

2 stops33h 45m

$714

Santa AnaLondon

SNA - LGW

SNALGW

Santa Ana J. Wayne/Orange Cnty

Tue 9/1

3:02 pm-5:50 pm

2 stops18h 48m

London Gatwick

Tue 9/15

9:25 am-8:51 pm

2 stops19h 26m

$739

Santa AnaLondon

SNA - LCY

SNALCY

Santa Ana J. Wayne/Orange Cnty

Tue 9/1

3:02 pm-5:25 pm

2 stops18h 23m

London City

Tue 9/15

9:15 am-8:51 pm

2 stops19h 36m

$765

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Layovers

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 $629, 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, California averaging around $692.

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 $741. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $835. 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 $747 when looking at flights departing at noon. Flights to London are more costly in the evening, with an average ticket price of $804. 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 19m
Direct flights	None

The fastest flight from Santa Ana, California to London takes 12h 19m

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 19m 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?
As of March 2026, there are 5 operators available to choose from 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?
Based on momondo bookings for flights between Santa Ana, California and London, the leading airline is United Airlines, making up 49% of the total bookings. Other popular airlines include British Airways with 26% and Delta with 25%.

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 Atlantic	PriceFrom $580	Free Cancellation	Rating 7.5 680 reviews	Search Virgin Atlantic flights
British Airways	PriceFrom $588	Free Cancellation	Rating 6.7 7,778 reviews	Search British Airways flights
Delta	PriceFrom $608	Free Cancellation	Rating 7.9 8,259 reviews	Search Delta flights
United Airlines	PriceFrom $677	Free Cancellation	Rating 7.4 9,403 reviews	Search United Airlines flights
American Airlines	PriceFrom $830	Free Cancellation	Rating 7.1 11,394 reviews	Search American Airlines flights

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Luton

Dover

Slough

Crawley

Hayes

Wembley

Dartford

Croydon

Brentwood

Harrow

Watford

Guildford

Stansted

Cobham

Folkestone

Romford

Richmond

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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Cheap flights from Santa Ana, California to London from $377

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 4/1. 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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Virgin Atlantic flights from Santa Ana, California to London

Our best Virgin Atlantic deals on Santa Ana, California to London flight tickets

British Airways flights from Santa Ana, California to London

Our best British Airways deals on Santa Ana, California to London flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Santa Ana, California to London that are best for you.

See travel insights to London from

How to get the cheapest flight ticket from Santa Ana, California to London

What is the cheapest month to fly to London?

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

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

What is the cheapest airline that flies from Santa Ana J. Wayne/Orange Cnty to London?

What airlines fly to London?

Which airport is the most popular layover for flights between Santa Ana, California and London?

Which layover airport offers the lowest fares from Santa Ana, California to London?

Which layover airport has the shortest travel time from Santa Ana, California to London?

Which layover airport has the shortest connection time from Santa Ana, California to London?

When to book flights from Santa Ana, California to London

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

Direct flights

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

Traveling to a place near London?

Why use momondo?

An easier way to manage your London trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

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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

Fly your favorite airline to London

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

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List of cabin classes available on flights landing in London. Availability may vary depending on flight origin and airline.

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