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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 3/7. 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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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
6:39 pm - 7:40 pm
SNA
-
LHR
17h 01m
2 stops
Lufthansa Logo
7:25 am - 5:33 pm
LHR
-
SNA
18h 08m
2 stops
$626Lufthansa
mar., abr. 21 - mar., may. 5
Lufthansa Logo
6:39 pm - 8:45 pm
SNA
-
LHR
18h 06m
2 stops
Lufthansa Logo
7:25 am - 5:33 pm
LHR
-
SNA
18h 08m
2 stops
$627Lufthansa
mar., abr. 21 - mar., may. 5
United Airlines Logo
7:50 am - 7:25 am
SNA
-
LHR
15h 35m
1 stop
United Airlines Logo
6:35 am - 8:50 pm
LHR
-
SNA
21h 15m
2 stops
$628United Airlines
dom., mar. 1 - mar., mar. 17
United Airlines Logo
12:25 pm - 11:50 am
SNA
-
LHR
15h 25m
1 stop
United Airlines Logo
7:40 am - 8:50 pm
LHR
-
SNA
20h 10m
2 stops
$629United Airlines
jue., mar. 5 - lun., mar. 9
Delta Logo
8:00 am - 7:05 am
SNA
-
LHR
15h 05m
1 stop
Delta Logo
6:30 am - 4:14 pm
LHR
-
SNA
17h 44m
2 stops
$631Delta
vie., feb. 27 - jue., mar. 5
United Airlines Logo
6:35 pm - 7:25 am
SNA
-
LHR
28h 50m
1 stop
United Airlines Logo
2:30 pm - 11:25 am
LHR
-
SNA
27h 55m
1 stop
$634United Airlines
mié., feb. 25 - dom., mar. 8
Delta Logo
7:10 pm - 8:10 pm
SNA
-
LHR
17h 00m
2 stops
Delta Logo
6:30 am - 10:22 pm
LHR
-
SNA
23h 52m
2 stops
$636Delta
vie., feb. 27 - jue., mar. 5
Delta Logo
7:10 pm - 8:10 pm
SNA
-
LHR
17h 00m
2 stops
Delta Logo
8:40 am - 10:22 pm
LHR
-
SNA
21h 42m
2 stops
$638Delta
vie., feb. 27 - jue., mar. 5
Delta Logo
8:00 am - 8:45 am
SNA
-
LHR
16h 45m
2 stops
Delta Logo
6:30 am - 10:29 pm
LHR
-
SNA
22h 59m
2 stops
$639Delta
mar., mar. 3 - jue., mar. 12
Multiple Airlines Logo
12:25 pm - 7:10 am
SNA
-
LHR
34h 45m
2 stops
Multiple Airlines Logo
6:30 am - 8:50 pm
LHR
-
SNA
21h 20m
2 stops
$642Multiple Airlines
dom., mar. 1 - mar., mar. 17

Delta flights from Santa Ana, California to London Heathrow Airport

Our best Delta deals on Santa Ana, California to London Heathrow Airport flight tickets
Delta
Feb 27
SNA8:00 amSanta Ana J. Wayne/Orange Cnty
15h 05m
1 stop
LHR7:05 amLondon Heathrow
Mar 5
LHR6:30 amLondon Heathrow
17h 44m
2 stops
SNA4:14 pmSanta Ana J. Wayne/Orange Cnty
$631
Delta
Feb 27
SNA7:10 pmSanta Ana J. Wayne/Orange Cnty
17h 00m
2 stops
LHR8:10 pmLondon Heathrow
Mar 5
LHR6:30 amLondon Heathrow
23h 52m
2 stops
SNA10:22 pmSanta Ana J. Wayne/Orange Cnty
$636
Delta
Feb 27
SNA7:10 pmSanta Ana J. Wayne/Orange Cnty
17h 00m
2 stops
LHR8:10 pmLondon Heathrow
Mar 5
LHR8:40 amLondon Heathrow
21h 42m
2 stops
SNA10:22 pmSanta Ana J. Wayne/Orange Cnty
$638

KLM flights from Santa Ana, California to London Heathrow Airport

Our best KLM deals on Santa Ana, California to London Heathrow Airport flight tickets
KLM
Feb 25
SNA7:10 amSanta Ana J. Wayne/Orange Cnty
18h 50m
1 stop
LHR10:00 amLondon Heathrow
Mar 8
LHR10:45 amLondon Heathrow
14h 25m
1 stop
SNA6:10 pmSanta Ana J. Wayne/Orange Cnty
$659
KLM
Feb 26
SNA11:15 amSanta Ana J. Wayne/Orange Cnty
15h 15m
1 stop
LHR10:30 amLondon Heathrow
Mar 5
LHR10:45 amLondon Heathrow
17h 25m
1 stop
SNA8:10 pmSanta Ana J. Wayne/Orange Cnty
$661
KLM
Mar 9
SNA11:04 amSanta Ana J. Wayne/Orange Cnty
16h 26m
1 stop
LHR10:30 amLondon Heathrow
Mar 16
LHR8:55 amLondon Heathrow
20h 17m
1 stop
SNA10:12 pmSanta Ana J. Wayne/Orange Cnty
$662

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 enero 29, 2026.
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

mar. 4/21

6:39 pm-7:40 pm

2 stops17h 01m

London Heathrow

mar. 5/5

7:25 am-5:33 pm

2 stops18h 08m

$626

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

mar. 4/21

6:39 pm-8:45 pm

2 stops18h 06m

London Heathrow

mar. 5/5

7:25 am-5:33 pm

2 stops18h 08m

$627

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

dom. 3/1

7:50 am-7:25 am

1 stop15h 35m

London Heathrow

mar. 3/17

6:35 am-8:50 pm

2 stops21h 15m

$628

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

jue. 3/5

12:25 pm-11:50 am

1 stop15h 25m

London Heathrow

lun. 3/9

7:40 am-8:50 pm

2 stops20h 10m

$629

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

vie. 2/27

8:00 am-7:05 am

1 stop15h 05m

London Heathrow

jue. 3/5

6:30 am-4:14 pm

2 stops17h 44m

$631

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

mié. 2/25

6:35 pm-7:25 am

1 stop28h 50m

London Heathrow

dom. 3/8

2:30 pm-11:25 am

1 stop27h 55m

$634

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

vie. 2/27

7:10 pm-8:10 pm

2 stops17h 00m

London Heathrow

jue. 3/5

6:30 am-10:22 pm

2 stops23h 52m

$636

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

vie. 2/27

7:10 pm-8:10 pm

2 stops17h 00m

London Heathrow

jue. 3/5

8:40 am-10:22 pm

2 stops21h 42m

$638

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

mar. 3/3

8:00 am-8:45 am

2 stops16h 45m

London Heathrow

jue. 3/12

6:30 am-10:29 pm

2 stops22h 59m

$639

Santa AnaLondon

SNA - LHR

SNALHR

Santa Ana J. Wayne/Orange Cnty

dom. 3/1

12:25 pm-7:10 am

2 stops34h 45m

London Heathrow

mar. 3/17

6:30 am-8:50 pm

2 stops21h 20m

$642

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, 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 $754. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $850.

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 $756. 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 $807.

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
678 reviews
Search Virgin Atlantic flights
British AirwaysPriceFrom $588Free CancellationRating
6.7
7,705 reviews
Search British Airways flights
DeltaPriceFrom $608Free CancellationRating
7.9
8,127 reviews
Search Delta flights
United AirlinesPriceFrom $677Free CancellationRating
7.4
9,215 reviews
Search United Airlines flights
American AirlinesPriceFrom $885Free CancellationRating
7.2
11,206 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
Guildford
Crawley
Wembley
Dartford
Hayes
Stratford-upon-Avon
Brentwood
Harrow
Watford
Cobham
Folkestone
Romford
Stansted
Croydon

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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