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Cheap flights from San Salvador to London from $477

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Salvador to London departing on 6/20. 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 San Salvador to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
KLM Logo
2:13 pm - 7:50 am
SAL
-
LHR
35h 37m
1 stop
KLM Logo
3:50 pm - 12:48 pm
LHR
-
SAL
26h 58m
1 stop
$889KLM
Mon, Mar 16 - Tue, Mar 24
KLM Logo
2:13 pm - 6:25 am
SAL
-
LHR
34h 12m
1 stop
KLM Logo
9:20 am - 12:39 pm
LHR
-
SAL
34h 19m
1 stop
$905KLM
Tue, Mar 24 - Sat, Apr 18
KLM Logo
2:04 pm - 7:15 am
SAL
-
LHR
34h 11m
1 stop
KLM Logo
9:20 am - 12:39 pm
LHR
-
SAL
34h 19m
1 stop
$906KLM
Tue, Apr 14 - Wed, Apr 22
KLM Logo
2:13 pm - 5:25 am
SAL
-
LHR
33h 12m
1 stop
KLM Logo
11:15 am - 12:48 pm
LHR
-
SAL
32h 33m
1 stop
$915KLM
Sat, Mar 28 - Fri, Apr 3
KLM Logo
2:13 pm - 4:05 pm
SAL
-
LHR
19h 52m
2 stops
KLM Logo
3:50 pm - 12:48 pm
LHR
-
SAL
26h 58m
1 stop
$921KLM
Mon, Mar 16 - Tue, Mar 24
KLM Logo
2:13 pm - 4:05 pm
SAL
-
LHR
19h 52m
2 stops
KLM Logo
3:50 pm - 12:48 pm
LHR
-
SAL
26h 58m
1 stop
$932KLM
Mon, Mar 16 - Tue, Mar 24
KLM Logo
2:13 pm - 6:25 am
SAL
-
LHR
34h 12m
1 stop
KLM Logo
10:45 am - 12:48 pm
LHR
-
SAL
32h 03m
1 stop
$945KLM
Mon, Mar 16 - Mon, Mar 23
KLM Logo
2:13 pm - 5:00 pm
SAL
-
LHR
20h 47m
2 stops
KLM Logo
1:25 pm - 12:39 pm
LHR
-
SAL
30h 14m
1 stop
$947KLM
Tue, Mar 24 - Sat, Apr 18
KLM Logo
2:04 pm - 1:15 pm
SAL
-
LHR
16h 11m
1 stop
KLM Logo
3:15 pm - 12:26 pm
LHR
-
SAL
28h 11m
1 stop
$956KLM
Fri, May 1 - Sat, May 9
KLM Logo
2:04 pm - 1:15 pm
SAL
-
LHR
16h 11m
1 stop
KLM Logo
9:20 am - 12:35 pm
LHR
-
SAL
34h 15m
1 stop
$957KLM
Fri, May 1 - Sat, May 9

United Airlines flights from San Salvador to London Heathrow Airport

Our best United Airlines deals on San Salvador to London Heathrow Airport flight tickets
United Airlines
Mar 16
SAL3:40 pmSan Salvador El Salvador Intl
32h 15m
2 stops
LHR5:55 amLondon Heathrow
Mar 24
LHR8:00 amLondon Heathrow
18h 19m
2 stops
SAL8:19 pmSan Salvador El Salvador Intl
$1,098
United Airlines
Mar 16
SAL3:40 pmSan Salvador El Salvador Intl
32h 15m
2 stops
LHR5:55 amLondon Heathrow
Mar 24
LHR8:00 amLondon Heathrow
18h 19m
2 stops
SAL8:19 pmSan Salvador El Salvador Intl
$1,099
United Airlines
Mar 2
SAL6:55 amSan Salvador El Salvador Intl
18h 35m
1 stop
LHR7:30 amLondon Heathrow
Mar 5
LHR3:20 pmLondon Heathrow
20h 25m
1 stop
SAL5:45 amSan Salvador El Salvador Intl
$1,102

KLM flights from San Salvador to London Heathrow Airport

Our best KLM deals on San Salvador to London Heathrow Airport flight tickets
KLM
Mar 2
SAL2:35 pmSan Salvador El Salvador Intl
35h 15m
1 stop
LHR7:50 amLondon Heathrow
Mar 17
LHR3:50 pmLondon Heathrow
26h 58m
1 stop
SAL12:48 pmSan Salvador El Salvador Intl
$889
KLM
Mar 24
SAL2:13 pmSan Salvador El Salvador Intl
34h 12m
1 stop
LHR6:25 amLondon Heathrow
Apr 18
LHR9:20 amLondon Heathrow
34h 19m
1 stop
SAL12:39 pmSan Salvador El Salvador Intl
$905
KLM
Apr 14
SAL2:04 pmSan Salvador El Salvador Intl
34h 11m
1 stop
LHR7:15 amLondon Heathrow
Apr 22
LHR9:20 amLondon Heathrow
34h 19m
1 stop
SAL12:39 pmSan Salvador El Salvador Intl
$906

momondo Fare Finder

 
Customize your flight search to find flights from San Salvador 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 February 24, 2026.
Use the filters below to find and compare flights from San Salvador to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Mon 3/16

2:13 pm-7:50 am

1 stop35h 37m

London Heathrow

Tue 3/24

3:50 pm-12:48 pm

1 stop26h 58m

$889

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Tue 3/24

2:13 pm-6:25 am

1 stop34h 12m

London Heathrow

Sat 4/18

9:20 am-12:39 pm

1 stop34h 19m

$905

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Tue 4/14

2:04 pm-7:15 am

1 stop34h 11m

London Heathrow

Wed 4/22

9:20 am-12:39 pm

1 stop34h 19m

$906

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Sat 3/28

2:13 pm-5:25 am

1 stop33h 12m

London Heathrow

Fri 4/3

11:15 am-12:48 pm

1 stop32h 33m

$915

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Mon 3/16

2:13 pm-4:05 pm

2 stops19h 52m

London Heathrow

Tue 3/24

3:50 pm-12:48 pm

1 stop26h 58m

$921

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Mon 3/16

2:13 pm-4:05 pm

2 stops19h 52m

London Heathrow

Tue 3/24

3:50 pm-12:48 pm

1 stop26h 58m

$932

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Mon 3/16

2:13 pm-6:25 am

1 stop34h 12m

London Heathrow

Mon 3/23

10:45 am-12:48 pm

1 stop32h 03m

$945

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Tue 3/24

2:13 pm-5:00 pm

2 stops20h 47m

London Heathrow

Sat 4/18

1:25 pm-12:39 pm

1 stop30h 14m

$947

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Fri 5/1

2:04 pm-1:15 pm

1 stop16h 11m

London Heathrow

Sat 5/9

3:15 pm-12:26 pm

1 stop28h 11m

$956

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Fri 5/1

2:04 pm-1:15 pm

1 stop16h 11m

London Heathrow

Sat 5/9

9:20 am-12:35 pm

1 stop34h 15m

$957

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 San Salvador 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 typical price of a round-trip flight between San Salvador and London Heathrow Airport?

Can stopping save me money on San Salvador to London Heathrow Airport flights?

You could potentially save up to 20% on your flight if you consider stops on a San Salvador to London Heathrow Airport flight.

When to book flights from San Salvador to London Heathrow Airport

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

Cheap San Salvador to London Heathrow Airport (SAL to LHR) flight deals and tips

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

Fastest flight time

24h 30m

Direct flights

None
The fastest flight from San Salvador to London Heathrow Airport takes 24h 30m
There are no direct flights from San Salvador to London Heathrow Airport. There are no popular flight routes from San Salvador to London Heathrow Airport.
Search flight deals

  • How far is San Salvador El Salvador Intl to London Heathrow by plane?

    The straight-line distance from San Salvador El Salvador Intl to London Heathrow is 5424.0 mi. A reasonable flight in good conditions will take 24h 30m.

  • When did momondo last update prices for flights from San Salvador El Salvador Intl Airport to London Heathrow Airport?

    Prices for flights from San Salvador El Salvador Intl Airport to London Heathrow Airport refresh daily.

  • How many operators does momondo search for flights from San Salvador El Salvador Intl Airport to London Heathrow Airport?

  • How old do you have to be to fly from San Salvador El Salvador Intl Airport to London Heathrow Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Salvador El Salvador Intl Airport to London Heathrow Airport.

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

    The required travel and health documents for your London Heathrow Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Heathrow Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from San Salvador to London Heathrow Airport?

Best airlines flying from San Salvador to London Heathrow Airport

Compare and see reviews for airlines that fly from San Salvador to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $1,081Free CancellationRating
7.4
9,344 reviews
Search United Airlines flights

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Why use momondo?

Why should I use momondo to find a flight deal from San Salvador to London?

It is quick and easy to find San Salvador 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 San Salvador to London with flexible booking policies on momondo?

Flights from San Salvador to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from San Salvador to London?

Once you have performed a search for San Salvador to London flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from San Salvador to London right now. Can momondo alert me if prices change?

Price alerts on flights to London from San Salvador are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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