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Cheap flights from San Salvador to London from £264

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 17/11. 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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Cheap return flights

Logo
23:27 - 06:20SAL-LHR
24h 53m1 stop
Logo
08:55 - 10:47LHR-SAL
31h 52m1 stop
£539
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Mon, 3 Nov - Mon, 10 Nov
Logo
05:30 - 22:00SAL-LHR
33h 30m3 stops
Logo
18:30 - 20:52LHR-SAL
32h 22m2 stops
£552
Find Deal
Sun, 12 Oct - Thu, 30 Oct
Logo
05:30 - 21:35SAL-LHR
34h 05m3 stops
Logo
12:10 - 10:47LHR-SAL
28h 37m2 stops
£553
Find Deal
Mon, 3 Nov - Mon, 10 Nov
Logo
07:34 - 21:35SAL-LHR
32h 01m2 stops
Logo
12:10 - 10:47LHR-SAL
28h 37m2 stops
£556
Find Deal
Mon, 3 Nov - Mon, 10 Nov
KLM Logo
13:39 - 06:45SAL-LHR
34h 06m1 stop
KLM Logo
08:55 - 12:24LHR-SAL
33h 29m1 stop
£648KLM
Find Deal
Sun, 19 Oct - Fri, 31 Oct
KLM Logo
13:39 - 16:15SAL-LHR
19h 36m2 stops
KLM Logo
15:50 - 12:24LHR-SAL
26h 34m1 stop
£672KLM
Find Deal
Sun, 19 Oct - Fri, 31 Oct
United Airlines Logo
02:30 - 08:25SAL-LHR
23h 55m2 stops
United Airlines Logo
15:20 - 05:45LHR-SAL
20h 25m1 stop
£749United Airlines
Find Deal
Wed, 14 Jan - Fri, 30 Jan
United Airlines Logo
02:30 - 07:30SAL-LHR
23h 00m1 stop
United Airlines Logo
10:00 - 21:19LHR-SAL
17h 19m1 stop
£751United Airlines
Find Deal
Wed, 14 Jan - Fri, 30 Jan
Iberia Logo
21:00 - 17:15SAL-LHR
14h 15m1 stop
Iberia Logo
19:10 - 18:25LHR-SAL
30h 15m2 stops
£765Iberia
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Fri, 13 Feb - Wed, 29 Apr
Avianca Logo
12:05 - 14:35SAL-LHR
20h 30m1 stop
Avianca Logo
21:40 - 21:05LHR-SAL
29h 25m2 stops
£796Avianca
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Mon, 9 Feb - Mon, 23 Feb

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
14 Jan
SAL02:30San Salvador El Salvador Intl
23h 55m
2 stops
LHR08:25London Heathrow
30 Jan
LHR15:20London Heathrow
20h 25m
1 stop
SAL05:45San Salvador El Salvador Intl
£749
Find similar
United Airlines
14 Jan
SAL02:30San Salvador El Salvador Intl
23h 00m
1 stop
LHR07:30London Heathrow
30 Jan
LHR10:00London Heathrow
17h 19m
1 stop
SAL21:19San Salvador El Salvador Intl
£751
Find similar
United Airlines
16 Jan
SAL16:40San Salvador El Salvador Intl
35h 35m
1 stop
LHR10:15London Heathrow
30 Jan
LHR12:05London Heathrow
47h 40m
2 stops
SAL05:45San Salvador El Salvador Intl
£789
Find similar

KLM flights from San Salvador to London Heathrow Airport

Our best KLM deals on San Salvador to London Heathrow Airport flight tickets
KLM
19 Oct
SAL13:39San Salvador El Salvador Intl
34h 06m
1 stop
LHR06:45London Heathrow
31 Oct
LHR08:55London Heathrow
33h 29m
1 stop
SAL12:24San Salvador El Salvador Intl
£648
Find similar
KLM
19 Oct
SAL13:39San Salvador El Salvador Intl
19h 36m
2 stops
LHR16:15London Heathrow
31 Oct
LHR15:50London Heathrow
26h 34m
1 stop
SAL12:24San Salvador El Salvador Intl
£672
Find similar
KLM
17 Sept
SAL13:37San Salvador El Salvador Intl
16h 53m
1 stop
LHR13:30London Heathrow
25 Sept
LHR15:15London Heathrow
28h 07m
1 stop
SAL12:22San Salvador El Salvador Intl
£683
Find similar

momondo Fare Finder

 
Customise 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 279,928 searches. Data last updated 16 September 2025.
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 3/11

23:27-06:20

1 stop24h 53m

London Heathrow

Mon 10/11

08:55-10:47

1 stop31h 52m

£539

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Sun 12/10

05:30-22:00

3 stops33h 30m

London Heathrow

Thu 30/10

18:30-20:52

2 stops32h 22m

£552

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Mon 3/11

05:30-21:35

3 stops34h 05m

London Heathrow

Mon 10/11

12:10-10:47

2 stops28h 37m

£553

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Mon 3/11

07:34-21:35

2 stops32h 01m

London Heathrow

Mon 10/11

12:10-10:47

2 stops28h 37m

£556

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Sun 19/10

13:39-06:45

1 stop34h 06m

London Heathrow

Fri 31/10

08:55-12:24

1 stop33h 29m

£648

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Sun 19/10

13:39-16:15

2 stops19h 36m

London Heathrow

Fri 31/10

15:50-12:24

1 stop26h 34m

£672

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Wed 14/1

02:30-08:25

2 stops23h 55m

London Heathrow

Fri 30/1

15:20-05:45

1 stop20h 25m

£749

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Wed 14/1

02:30-07:30

1 stop23h 00m

London Heathrow

Fri 30/1

10:00-21:19

1 stop17h 19m

£751

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Fri 13/2

21:00-17:15

1 stop14h 15m

London Heathrow

Wed 29/4

19:10-18:25

2 stops30h 15m

£765

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Mon 9/2

12:05-14:35

1 stop20h 30m

London Heathrow

Mon 23/2

21:40-21:05

2 stops29h 25m

£796

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 cheapest month to fly to London Heathrow Airport?

In general, February is the cheapest month to fly from San Salvador to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £585. The month of January is another great option to travel to London Heathrow Airport, with average flight prices from San Salvador averaging around £620.

What is the cheapest day to depart on your flight to London Heathrow Airport?

On average, the least expensive day to fly to London Heathrow Airport from San Salvador is on a Sunday. momondo users have found tickets for Sunday departures for as low as £613. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Saturday is £1,061.

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 midday. momondo users have found flights departing from San Salvador to London Heathrow Airport at midday for as low as £610. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are £1,105 on average. Flights to London Heathrow Airport from San Salvador in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

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 return 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

Direct flights

None
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 distance between San Salvador El Salvador Intl and London Heathrow is about 5424.0 mi. By plane, this route typically takes 14h 05m.

  • 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 are updated 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 a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to 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 necessary travel and health documents for your London Heathrow Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted 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
IberiaPriceFrom £778Free CancellationRating
7.0
2,924 reviews
Search Iberia flights

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Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from San Salvador.

Can I find flights from San Salvador to London with flexible booking policies on momondo?

Yes. All flights to London from San Salvador on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from San Salvador to London.

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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