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Cheap flights from San Salvador to London from $714

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 8/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from San Salvador to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
KLM Logo
1:57 pm - 1:15 pm
SAL
-
LHR
16h 18m
1 stop
KLM Logo
11:45 am - 12:24 pm
LHR
-
SAL
31h 39m
2 stops
$935KLM
Mon, Sep 14 - Tue, Oct 6
KLM Logo
1:57 pm - 4:15 pm
SAL
-
LHR
19h 18m
2 stops
KLM Logo
11:45 am - 12:24 pm
LHR
-
SAL
31h 39m
2 stops
$966KLM
Sun, Sep 13 - Tue, Oct 6
KLM Logo
1:57 pm - 1:15 pm
SAL
-
LHR
16h 18m
1 stop
KLM Logo
3:15 pm - 12:31 pm
LHR
-
SAL
28h 16m
1 stop
$992KLM
Sat, Sep 5 - Sat, Oct 3
KLM Logo
1:57 pm - 1:15 pm
SAL
-
LHR
16h 18m
1 stop
KLM Logo
1:25 pm - 12:24 pm
LHR
-
SAL
29h 59m
1 stop
$993KLM
Sat, Sep 5 - Thu, Oct 8
KLM Logo
1:39 pm - 4:15 pm
SAL
-
LHR
19h 36m
2 stops
KLM Logo
9:55 am - 12:24 pm
LHR
-
SAL
33h 29m
2 stops
$1,017KLM
Thu, Oct 8 - Wed, Oct 14
KLM Logo
1:39 pm - 4:15 pm
SAL
-
LHR
19h 36m
2 stops
KLM Logo
1:25 pm - 12:24 pm
LHR
-
SAL
29h 59m
1 stop
$1,023KLM
Thu, Oct 8 - Wed, Oct 14
KLM Logo
1:39 pm - 4:15 pm
SAL
-
LHR
19h 36m
2 stops
KLM Logo
1:25 pm - 12:24 pm
LHR
-
SAL
29h 59m
1 stop
$1,024KLM
Wed, Oct 14 - Wed, Oct 21
Multiple Airlines Logo
1:48 pm - 11:20 am
SAL
-
LHR
14h 32m
1 stop
Multiple Airlines Logo
2:45 pm - 1:56 pm
LHR
-
SAL
29h 11m
2 stops
$1,027Multiple Airlines
Fri, Jul 24 - Tue, Nov 10
Multiple Airlines Logo
1:48 pm - 5:50 pm
SAL
-
LHR
21h 02m
2 stops
Multiple Airlines Logo
5:35 pm - 1:56 pm
LHR
-
SAL
26h 21m
2 stops
$1,057Multiple Airlines
Fri, Jul 24 - Tue, Nov 10
KLM Logo
1:57 pm - 4:15 pm
SAL
-
LHR
19h 18m
2 stops
KLM Logo
6:30 am - 8:31 pm
LHR
-
SAL
21h 01m
2 stops
$1,086KLM
Mon, Sep 14 - Wed, Sep 23

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KLM flights from San Salvador to London Heathrow Airport

Our best KLM deals on San Salvador to London Heathrow Airport flight tickets
KLM
Sep 14
SAL1:57 pmSan Salvador El Salvador Intl
16h 18m
1 stop
LHR1:15 pmLondon Heathrow
Oct 6
LHR11:45 amLondon Heathrow
31h 39m
2 stops
SAL12:24 pmSan Salvador El Salvador Intl
$935
KLM
Sep 13
SAL1:57 pmSan Salvador El Salvador Intl
19h 18m
2 stops
LHR4:15 pmLondon Heathrow
Oct 6
LHR11:45 amLondon Heathrow
31h 39m
2 stops
SAL12:24 pmSan Salvador El Salvador Intl
$966
KLM
Sep 5
SAL1:57 pmSan Salvador El Salvador Intl
16h 18m
1 stop
LHR1:15 pmLondon Heathrow
Oct 3
LHR3:15 pmLondon Heathrow
28h 16m
1 stop
SAL12:31 pmSan Salvador El Salvador Intl
$992

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
Sep 5
SAL6:00 amSan Salvador El Salvador Intl
22h 55m
2 stops
LHR11:55 amLondon Heathrow
Oct 3
LHR6:50 amLondon Heathrow
21h 45m
2 stops
SAL9:35 pmSan Salvador El Salvador Intl
$1,133
United Airlines
Aug 16
SAL6:00 amSan Salvador El Salvador Intl
22h 35m
1 stop
LHR11:35 amLondon Heathrow
Aug 23
LHR7:25 amLondon Heathrow
20h 24m
2 stops
SAL8:49 pmSan Salvador El Salvador Intl
$1,136
United Airlines
Sep 2
SAL6:00 amSan Salvador El Salvador Intl
18h 45m
1 stop
LHR7:45 amLondon Heathrow
Sep 24
LHR6:50 amLondon Heathrow
21h 45m
2 stops
SAL9:35 pmSan Salvador El Salvador Intl
$1,137

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 July 21, 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 9/14

1:57 pm-1:15 pm

1 stop16h 18m

London Heathrow

Tue 10/6

11:45 am-12:24 pm

2 stops31h 39m

$935

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Sun 9/13

1:57 pm-4:15 pm

2 stops19h 18m

London Heathrow

Tue 10/6

11:45 am-12:24 pm

2 stops31h 39m

$966

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Sat 9/5

1:57 pm-1:15 pm

1 stop16h 18m

London Heathrow

Sat 10/3

3:15 pm-12:31 pm

1 stop28h 16m

$992

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Sat 9/5

1:57 pm-1:15 pm

1 stop16h 18m

London Heathrow

Thu 10/8

1:25 pm-12:24 pm

1 stop29h 59m

$993

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Thu 10/8

1:39 pm-4:15 pm

2 stops19h 36m

London Heathrow

Wed 10/14

9:55 am-12:24 pm

2 stops33h 29m

$1,017

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Thu 10/8

1:39 pm-4:15 pm

2 stops19h 36m

London Heathrow

Wed 10/14

1:25 pm-12:24 pm

1 stop29h 59m

$1,023

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Wed 10/14

1:39 pm-4:15 pm

2 stops19h 36m

London Heathrow

Wed 10/21

1:25 pm-12:24 pm

1 stop29h 59m

$1,024

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Fri 7/24

1:48 pm-11:20 am

1 stop14h 32m

London Heathrow

Tue 11/10

2:45 pm-1:56 pm

2 stops29h 11m

$1,027

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Fri 7/24

1:48 pm-5:50 pm

2 stops21h 02m

London Heathrow

Tue 11/10

5:35 pm-1:56 pm

2 stops26h 21m

$1,057
Quickest round-trip

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Mon 9/14

1:57 pm-4:15 pm

2 stops19h 18m

London Heathrow

Wed 9/23

6:30 am-8:31 pm

2 stops21h 01m

$1,086

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?

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 San Salvador, with most prices found around $0. If you’re not able to fly to London Heathrow Airport in January, then October is your next best option. Flight prices from San Salvador to London Heathrow Airport during October average around $882.

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

You could potentially save up to 47% 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

14h 23m

Direct flights

None
The fastest flight from San Salvador to London Heathrow Airport takes 14h 23m
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

Frequently asked questions about flying from San Salvador to London Heathrow Airport

  • 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 14h 23m.

  • 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 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.

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
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Watford
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Harrow
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Cobham
Romford
Uxbridge
Guildford

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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