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Cheap flights from San Salvador to London from $523

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 6/19. 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 San Salvador to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
KLM Logo
2:04 pm - 11:20 am
SAL
-
LHR
14h 16m
1 stop
KLM Logo
9:20 am - 12:39 pm
LHR
-
SAL
34h 19m
1 stop
$962KLM
Mon, Apr 20 - Tue, Apr 28
KLM Logo
2:04 pm - 1:15 pm
SAL
-
LHR
16h 11m
1 stop
KLM Logo
11:15 am - 12:26 pm
LHR
-
SAL
32h 11m
1 stop
$963KLM
Thu, Apr 16 - Tue, May 26
KLM Logo
2:13 pm - 11:20 am
SAL
-
LHR
14h 07m
1 stop
KLM Logo
11:15 am - 12:48 pm
LHR
-
SAL
32h 33m
1 stop
$972KLM
Mon, Mar 30 - Sun, Apr 5
KLM Logo
2:04 pm - 6:25 am
SAL
-
LHR
33h 21m
1 stop
KLM Logo
11:15 am - 12:26 pm
LHR
-
SAL
32h 11m
1 stop
$973KLM
Tue, Apr 14 - Tue, May 26
United Airlines Logo
1:20 pm - 9:35 am
SAL
-
LHR
37h 15m
2 stops
United Airlines Logo
7:25 am - 8:49 pm
LHR
-
SAL
20h 24m
2 stops
$981United Airlines
Sat, May 23 - Tue, May 26
KLM Logo
2:04 pm - 6:25 am
SAL
-
LHR
33h 21m
1 stop
KLM Logo
3:15 pm - 12:26 pm
LHR
-
SAL
28h 11m
1 stop
$982KLM
Tue, Apr 14 - Sun, May 24
Multiple Airlines Logo
10:35 pm - 8:05 am
SAL
-
LHR
26h 30m
2 stops
Multiple Airlines Logo
10:05 pm - 6:30 am
LHR
-
SAL
15h 25m
1 stop
$984Multiple Airlines
Thu, May 7 - Thu, May 14
KLM Logo
2:04 pm - 5:35 pm
SAL
-
LHR
20h 31m
2 stops
KLM Logo
3:15 pm - 12:39 pm
LHR
-
SAL
28h 24m
1 stop
$994KLM
Mon, Apr 20 - Tue, Apr 28
KLM Logo
2:04 pm - 5:35 pm
SAL
-
LHR
20h 31m
2 stops
KLM Logo
3:15 pm - 12:39 pm
LHR
-
SAL
28h 24m
1 stop
$995KLM
Mon, Apr 20 - Tue, Apr 28
KLM Logo
2:13 pm - 4:15 pm
SAL
-
LHR
19h 02m
2 stops
KLM Logo
3:15 pm - 12:48 pm
LHR
-
SAL
28h 33m
1 stop
$1,004KLM
Mon, Mar 30 - Sun, Apr 5

KLM flights from San Salvador to London Heathrow Airport

Our best KLM deals on San Salvador to London Heathrow Airport flight tickets
KLM
Apr 20
SAL2:04 pmSan Salvador El Salvador Intl
14h 16m
1 stop
LHR11:20 amLondon Heathrow
Apr 28
LHR9:20 amLondon Heathrow
34h 19m
1 stop
SAL12:39 pmSan Salvador El Salvador Intl
$962
KLM
Apr 16
SAL2:04 pmSan Salvador El Salvador Intl
16h 11m
1 stop
LHR1:15 pmLondon Heathrow
May 26
LHR11:15 amLondon Heathrow
32h 11m
1 stop
SAL12:26 pmSan Salvador El Salvador Intl
$963
KLM
Mar 30
SAL2:13 pmSan Salvador El Salvador Intl
14h 07m
1 stop
LHR11:20 amLondon Heathrow
Apr 5
LHR11:15 amLondon Heathrow
32h 33m
1 stop
SAL12:48 pmSan Salvador El Salvador Intl
$972

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
May 23
SAL1:20 pmSan Salvador El Salvador Intl
37h 15m
2 stops
LHR9:35 amLondon Heathrow
May 26
LHR7:25 amLondon Heathrow
20h 24m
2 stops
SAL8:49 pmSan Salvador El Salvador Intl
$981
United Airlines
May 6
SAL6:00 amSan Salvador El Salvador Intl
22h 35m
1 stop
LHR11:35 amLondon Heathrow
May 10
LHR12:10 pmLondon Heathrow
47h 40m
2 stops
SAL4:50 amSan Salvador El Salvador Intl
$1,099
United Airlines
May 6
SAL6:00 amSan Salvador El Salvador Intl
22h 35m
1 stop
LHR11:35 amLondon Heathrow
May 10
LHR12:10 pmLondon Heathrow
47h 40m
2 stops
SAL4:50 amSan Salvador El Salvador Intl
$1,100

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 March 27, 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

Cheapest round-trip

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Mon 4/20

2:04 pm-11:20 am

1 stop14h 16m

London Heathrow

Tue 4/28

9:20 am-12:39 pm

1 stop34h 19m

$962

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Thu 4/16

2:04 pm-1:15 pm

1 stop16h 11m

London Heathrow

Tue 5/26

11:15 am-12:26 pm

1 stop32h 11m

$963

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Mon 3/30

2:13 pm-11:20 am

1 stop14h 07m

London Heathrow

Sun 4/5

11:15 am-12:48 pm

1 stop32h 33m

$972

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Tue 4/14

2:04 pm-6:25 am

1 stop33h 21m

London Heathrow

Tue 5/26

11:15 am-12:26 pm

1 stop32h 11m

$973

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Sat 5/23

1:20 pm-9:35 am

2 stops37h 15m

London Heathrow

Tue 5/26

7:25 am-8:49 pm

2 stops20h 24m

$981

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Tue 4/14

2:04 pm-6:25 am

1 stop33h 21m

London Heathrow

Sun 5/24

3:15 pm-12:26 pm

1 stop28h 11m

$982
Quickest round-trip

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Thu 5/7

10:35 pm-8:05 am

2 stops26h 30m

London Heathrow

Thu 5/14

10:05 pm-6:30 am

1 stop15h 25m

$984

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Mon 4/20

2:04 pm-5:35 pm

2 stops20h 31m

London Heathrow

Tue 4/28

3:15 pm-12:39 pm

1 stop28h 24m

$994

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Mon 4/20

2:04 pm-5:35 pm

2 stops20h 31m

London Heathrow

Tue 4/28

3:15 pm-12:39 pm

1 stop28h 24m

$995

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Mon 3/30

2:13 pm-4:15 pm

2 stops19h 02m

London Heathrow

Sun 4/5

3:15 pm-12:48 pm

1 stop28h 33m

$1,004

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 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 13% 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

26h 30m

Direct flights

None
The fastest flight from San Salvador to London Heathrow Airport takes 26h 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 26h 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 $1,092Free CancellationRating
7.4
9,491 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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