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Cheap flights from Santa Ana to London from $383

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 4/18. 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 to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
1:20 pm - 2:40 pm
SNA
-
LHR
17h 20m
2 stops
Lufthansa Logo
6:55 am - 5:31 pm
LHR
-
SNA
18h 36m
2 stops
$768Lufthansa
Tue, Aug 18 - Tue, Aug 25
Delta Logo
10:55 am - 12:10 pm
SNA
-
LHR
17h 15m
1 stop
Delta Logo
6:30 am - 5:48 pm
LHR
-
SNA
19h 18m
2 stops
$794Delta
Sun, Apr 26 - Fri, May 8
Air Canada Logo
12:25 pm - 11:50 am
SNA
-
LHR
39h 25m
2 stops
Air Canada Logo
3:05 pm - 3:42 pm
LHR
-
SNA
32h 37m
2 stops
$795Air Canada
Sat, Apr 25 - Fri, May 8
United Airlines Logo
1:20 pm - 9:40 am
SNA
-
LHR
12h 20m
1 stop
United Airlines Logo
2:05 pm - 1:14 pm
LHR
-
SNA
31h 09m
2 stops
$803United Airlines
Sun, Aug 23 - Wed, Sep 2
Multiple Airlines Logo
7:00 pm - 6:35 am
SNA
-
LHR
27h 35m
2 stops
Multiple Airlines Logo
6:55 am - 5:31 pm
LHR
-
SNA
18h 36m
2 stops
$808Multiple Airlines
Sun, Aug 23 - Wed, Sep 2
SWISS Logo
3:02 pm - 5:50 pm
SNA
-
LHR
18h 48m
2 stops
SWISS Logo
8:40 am - 8:51 pm
LHR
-
SNA
20h 11m
2 stops
$809SWISS
Wed, Sep 2 - Mon, Sep 14
British Airways Logo
4:32 pm - 3:05 pm
SNA
-
LHR
14h 33m
1 stop
British Airways Logo
9:45 am - 9:13 pm
LHR
-
SNA
19h 28m
1 stop
$811British Airways
Tue, Mar 31 - Tue, Apr 7
United Airlines Logo
7:50 am - 11:10 am
SNA
-
LHR
19h 20m
1 stop
United Airlines Logo
3:05 pm - 12:20 pm
LHR
-
SNA
29h 15m
1 stop
$812United Airlines
Sun, Apr 26 - Fri, May 8
Lufthansa Logo
1:20 pm - 2:40 pm
SNA
-
LHR
17h 20m
2 stops
Lufthansa Logo
6:55 am - 8:40 pm
LHR
-
SNA
21h 45m
2 stops
$813Lufthansa
Sun, Aug 23 - Wed, Sep 2
British Airways Logo
1:17 pm - 10:50 am
SNA
-
LHR
13h 33m
1 stop
British Airways Logo
9:45 am - 8:50 pm
LHR
-
SNA
19h 05m
1 stop
$820British Airways
Tue, Apr 7 - Thu, Apr 23

Lufthansa flights from Santa Ana to London Heathrow Airport

Our best Lufthansa deals on Santa Ana to London Heathrow Airport flight tickets
Lufthansa
Aug 18
SNA1:20 pmSanta Ana J. Wayne/Orange Cnty
17h 20m
2 stops
LHR2:40 pmLondon Heathrow
Aug 25
LHR6:55 amLondon Heathrow
18h 36m
2 stops
SNA5:31 pmSanta Ana J. Wayne/Orange Cnty
$768
Lufthansa
Apr 8
SNA11:10 amSanta Ana J. Wayne/Orange Cnty
19h 30m
2 stops
LHR2:40 pmLondon Heathrow
Apr 22
LHR7:25 amLondon Heathrow
17h 58m
2 stops
SNA5:23 pmSanta Ana J. Wayne/Orange Cnty
$811
Lufthansa
Aug 23
SNA1:20 pmSanta Ana J. Wayne/Orange Cnty
17h 20m
2 stops
LHR2:40 pmLondon Heathrow
Sep 2
LHR6:55 amLondon Heathrow
21h 45m
2 stops
SNA8:40 pmSanta Ana J. Wayne/Orange Cnty
$813

Delta flights from Santa Ana to London Heathrow Airport

Our best Delta deals on Santa Ana to London Heathrow Airport flight tickets
Delta
Apr 26
SNA10:55 amSanta Ana J. Wayne/Orange Cnty
17h 15m
1 stop
LHR12:10 pmLondon Heathrow
May 8
LHR6:30 amLondon Heathrow
19h 18m
2 stops
SNA5:48 pmSanta Ana J. Wayne/Orange Cnty
$794
Delta
Apr 28
SNA7:00 amSanta Ana J. Wayne/Orange Cnty
20h 00m
1 stop
LHR11:00 amLondon Heathrow
May 8
LHR9:55 amLondon Heathrow
20h 34m
2 stops
SNA10:29 pmSanta Ana J. Wayne/Orange Cnty
$841
Delta
Apr 8
SNA11:05 amSanta Ana J. Wayne/Orange Cnty
17h 05m
1 stop
LHR12:10 pmLondon Heathrow
Apr 22
LHR6:30 amLondon Heathrow
19h 23m
2 stops
SNA5:53 pmSanta Ana J. Wayne/Orange Cnty
$842

momondo Fare Finder

 
Customize your flight search to find flights from Santa Ana to London Heathrow Airport 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 March 20, 2026.
Use the filters below to find and compare flights from Santa Ana to London Heathrow Airport 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 8/18

1:20 pm-2:40 pm

2 stops17h 20m

London Heathrow

Tue 8/25

6:55 am-5:31 pm

2 stops18h 36m

$768

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Sun 4/26

10:55 am-12:10 pm

1 stop17h 15m

London Heathrow

Fri 5/8

6:30 am-5:48 pm

2 stops19h 18m

$794

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Sat 4/25

12:25 pm-11:50 am

2 stops39h 25m

London Heathrow

Fri 5/8

3:05 pm-3:42 pm

2 stops32h 37m

$795

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Sun 8/23

1:20 pm-9:40 am

1 stop12h 20m

London Heathrow

Wed 9/2

2:05 pm-1:14 pm

2 stops31h 09m

$803

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Sun 8/23

7:00 pm-6:35 am

2 stops27h 35m

London Heathrow

Wed 9/2

6:55 am-5:31 pm

2 stops18h 36m

$808

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Wed 9/2

3:02 pm-5:50 pm

2 stops18h 48m

London Heathrow

Mon 9/14

8:40 am-8:51 pm

2 stops20h 11m

$809

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Tue 3/31

4:32 pm-3:05 pm

1 stop14h 33m

London Heathrow

Tue 4/7

9:45 am-9:13 pm

1 stop19h 28m

$811

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Sun 4/26

7:50 am-11:10 am

1 stop19h 20m

London Heathrow

Fri 5/8

3:05 pm-12:20 pm

1 stop29h 15m

$812

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Sun 8/23

1:20 pm-2:40 pm

2 stops17h 20m

London Heathrow

Wed 9/2

6:55 am-8:40 pm

2 stops21h 45m

$813
Quickest round-trip

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Tue 4/7

1:17 pm-10:50 am

1 stop13h 33m

London Heathrow

Thu 4/23

9:45 am-8:50 pm

1 stop19h 05m

$820

Flights are sorted by cheapest round-trip 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 to London Heathrow Airport

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 Heathrow Airport?

The month of January is, on average, the cheapest month to fly to London Heathrow Airport from Santa Ana, with most prices found around $588. If you’re not able to fly to London Heathrow Airport in January, then March is your next best option. Flight prices from Santa Ana to London Heathrow Airport during March average around $702.

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

Our data shows that Wednesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $754. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $851.

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

According to our data, the cheapest time of day to fly to London Heathrow Airport is at noon. momondo users have found flights departing from Santa Ana to London Heathrow Airport at noon for as low as $744. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the evening are often more expensive with an average ticket price of $802.

When to book flights from Santa Ana to London Heathrow Airport

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

Cheap Santa Ana to London Heathrow Airport (SNA to LHR) flight deals and tips

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

Fastest flight time

12h 20m

Direct flights

None
The fastest flight from Santa Ana to London Heathrow Airport takes 12h 20m
There are no direct flights from Santa Ana to London Heathrow Airport. There are no popular flight routes from Santa Ana to London Heathrow Airport.
Search flight deals

  • How far is Santa Ana J. Wayne/Orange Cnty to London Heathrow by plane?

    The straight-line distance from Santa Ana J. Wayne/Orange Cnty to London Heathrow is 5433.2 mi. In terms of flight time, this usually takes a little over 12h 20m.

  • When did momondo last update prices for flights from Santa Ana J. Wayne/Orange Cnty Airport to London Heathrow Airport?

    Prices for flights from Santa Ana J. Wayne/Orange Cnty Airport to London Heathrow Airport are updated daily.

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

  • How old do you have to be to fly from Santa Ana J. Wayne/Orange Cnty Airport to London Heathrow Airport?

    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 Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The travel and health documents required for your trip to London Heathrow Airport 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 Heathrow Airport. 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 Heathrow Airport?

Best airlines flying from Santa Ana to London Heathrow Airport

Compare and see reviews for airlines that fly from Santa Ana to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
Virgin AtlanticPriceFrom $580Free CancellationRating
7.5
682 reviews
Search Virgin Atlantic flights
British AirwaysPriceFrom $588Free CancellationRating
6.7
7,804 reviews
Search British Airways flights
DeltaPriceFrom $608Free CancellationRating
7.9
8,306 reviews
Search Delta flights
United AirlinesPriceFrom $677Free CancellationRating
7.4
9,454 reviews
Search United Airlines flights
American AirlinesPriceFrom $818Free CancellationRating
7.1
11,485 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
Luton
Dover
Slough
Crawley
Stratford-upon-Avon
Wembley
Hayes
Dartford
Croydon
Harrow
Watford
Brentwood
Guildford
Stansted
Cobham
Folkestone
Romford

Why use momondo?

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

It is quick and easy to find Santa Ana to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.

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 provides multiple filters to help you find the best flight to London from Santa Ana. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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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