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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
Lufthansa Logo
10:00 am - 7:25 am
SNA
-
LHR
13h 25m1 stop
Lufthansa Logo
6:35 am - 5:28 pm
LHR
-
SNA
18h 53m2 stops
$620Lufthansa
Thu, Jan 15 - Wed, Jan 28
Multiple Airlines Logo
7:00 am - 7:10 am
SNA
-
LHR
16h 10m2 stops
Multiple Airlines Logo
6:35 am - 11:25 am
LHR
-
SNA
36h 50m2 stops
$622Multiple Airlines
Fri, Jan 30 - Fri, Feb 6
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

Air Canada flights from Santa Ana, California to London Heathrow Airport

Our best Air Canada deals on Santa Ana, California to London Heathrow Airport 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 Heathrow Airport

Our best United Airlines deals on Santa Ana, California to London Heathrow Airport 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 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 December 18, 2025.
Use the filters below to find and compare flights from Santa Ana, California to London Heathrow Airport 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

Thu 1/15

10:00 am-7:25 am

1 stop13h 25m

London Heathrow

Wed 1/28

6:35 am-5:28 pm

2 stops18h 53m

$620

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

Fri 1/30

7:00 am-7:10 am

2 stops16h 10m

London Heathrow

Fri 2/6

6:35 am-11:25 am

2 stops36h 50m

$622

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

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, California 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, California, with most prices found around $588. If you’re not able to fly to London Heathrow Airport in January, then October is your next best option. Flight prices from Santa Ana, California to London Heathrow Airport during October average around $762.

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 $763. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $865.

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, California to London Heathrow Airport at noon for as low as $768. 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 $818.

When to book flights from Santa Ana, California to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Santa Ana, California 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, California 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, California to London Heathrow Airport

Fastest flight time

12h 18m

Direct flights

None
The fastest flight from Santa Ana, California to London Heathrow Airport takes 12h 18m
There are no direct flights from Santa Ana, California to London Heathrow Airport. There are no popular flight routes from Santa Ana, California 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 18m.

  • 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, California to London Heathrow Airport?

Best airlines flying from Santa Ana, California to London Heathrow Airport

Compare and see reviews for airlines that fly from Santa Ana, California to London Heathrow Airport 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
7,583 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
Stratford-upon-Avon
Crawley
Brentwood
Salisbury
Wembley
Watford
Ilford
Cobham
Folkestone
Romford
Richmond

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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