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Cheap flights from the United Kingdom to San Salvador from £324

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 18/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SAL
22 Apr — 29 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from United Kingdom to San Salvador

Enter your travel dates to find the best prices.

Cheapest flights from United Kingdom to San Salvador
Explore the most affordable flight options available from United Kingdom to San Salvador. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 March 2026.

Wed 15/422:05
LHR
-
SAL
1 stop24h 35m
Avianca
Tue 19/522:20
SAL
-
LHR
2 stops34h 15m
Avianca
Deal found 18/3£550
Tue 5/522:05
LHR
-
SAL
1 stop20h 00m
Avianca
Sat 23/508:05
SAL
-
LHR
1 stop24h 30m
Avianca
Deal found 19/3£576
Wed 6/522:05
LHR
-
SAL
1 stop20h 00m
Avianca
Wed 13/508:15
SAL
-
LHR
2 stops24h 20m
Avianca
Deal found 22/3£581
Wed 15/415:40
LGW
-
SAL
2 stops25h 43m
Multiple Airlines
Wed 22/422:49
SAL
-
LGW
2 stops32h 51m
Multiple Airlines
Deal found 18/3£646
Thu 15/1005:55
MAN
-
SAL
2 stops37h 11m
United Airlines
Mon 19/1015:30
SAL
-
MAN
2 stops43h 05m
United Airlines
Deal found 20/3£689
Thu 12/1106:00
BHX
-
SAL
2 stops39h 24m
United Airlines
Mon 16/1106:55
SAL
-
BHX
2 stops43h 10m
United Airlines
Deal found 19/3£702
Wed 9/906:05
MAN
-
SAL
3 stops21h 44m
United Airlines
Tue 15/906:00
SAL
-
MAN
2 stops17h 30m
United Airlines
Deal found 20/3£716
Wed 6/508:25
LCY
-
SAL
2 stops19h 08m
KLM
Wed 13/513:58
SAL
-
LCY
2 stops20h 22m
KLM
Deal found 22/3£736
Fri 25/905:55
MAN
-
SAL
2 stops21h 54m
United Airlines
Sun 27/915:30
SAL
-
MAN
2 stops42h 40m
United Airlines
Deal found 22/3£739
Fri 17/415:40
LGW
-
SAL
2 stops25h 43m
Multiple Airlines
Mon 20/422:49
SAL
-
LGW
2 stops32h 51m
Multiple Airlines
Deal found 18/3£751
Mon 23/320:50
BHX
-
SAL
2 stops29h 49m
KLM
Mon 30/314:13
SAL
-
BHX
2 stops19h 37m
KLM
Deal found 22/3£761
Mon 27/420:40
LGW
-
SAL
2 stops26h 00m
Multiple Airlines
Sat 9/522:35
SAL
-
LGW
1 stop24h 45m
Multiple Airlines
Deal found 20/3£766

Find flight deals from United Kingdom to San Salvador

Keep the following information in mind while searching for United Kingdom to San Salvador flight deals. Data was last updated 23 March 2026.

Round-trip from

£550

One-way from

£324

Popular in

December

Cheapest in

September

Average price

£610
Avianca
  • Avianca
  • 15/4-19/5
  • 3 total stops
  • 58h 50m total
  • United Kingdom to San Salvador
Search Deals
Avianca
  • Avianca
  • 18/4
  • 1 total stop
  • 24h 35m total
  • United Kingdom to San Salvador
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£41 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from United Kingdom to San Salvador 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, Cheapflights users made 858,174 searches. Data last updated 23 March 2026.
Use the filters below to find and compare flights from the United Kingdom to San Salvador that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Sun 19/4

22:05-06:30

1 stop15h 25m

San Salvador El Salvador Intl

Mon 27/4

22:05-15:35

1 stop34h 30m

£664

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Sun 19/4

22:05-06:30

1 stop15h 25m

San Salvador El Salvador Intl

Sat 25/4

08:05-15:35

1 stop24h 30m

£664

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Fri 17/4

07:25-20:49

2 stops20h 24m

San Salvador El Salvador Intl

Mon 20/4

15:40-07:55

1 stop33h 15m

£670

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Fri 1/5

07:25-14:30

2 stops38h 05m

San Salvador El Salvador Intl

Sat 16/5

02:00-10:10

1 stop25h 10m

£672

ManchesterSan Salvador

MAN - SAL

MANSAL

Manchester

Wed 9/9

06:05-12:15

2 stops37h 10m

San Salvador El Salvador Intl

Mon 14/9

02:00-17:35

2 stops32h 35m

£689

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Thu 13/8

10:00-20:49

1 stop17h 49m

San Salvador El Salvador Intl

Sat 29/8

06:00-11:55

2 stops22h 55m

£695
Fastest return journey

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Sun 19/4

10:00-20:49

1 stop17h 49m

San Salvador El Salvador Intl

Fri 1/5

13:50-11:35

1 stop14h 45m

£695

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Fri 17/4

10:00-20:49

1 stop17h 49m

San Salvador El Salvador Intl

Wed 29/4

06:00-07:45

1 stop18h 45m

£695

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Wed 15/4

10:00-20:49

1 stop17h 49m

San Salvador El Salvador Intl

Thu 30/4

06:00-07:45

1 stop18h 45m

£695

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Sat 25/4

08:45-04:50

2 stops27h 05m

San Salvador El Salvador Intl

Sun 31/5

22:45-20:40

1 stop14h 55m

£695

Flights are sorted by cheapest return flights first.

Deals found on 22/3

Showing 1-10 of 56 resultsSorted by cheapest first
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6

Best time to book a flight from United Kingdom to San Salvador

Have a flexible travel schedule? Discover the best time to fly to San Salvador from United Kingdom with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from the United Kingdom to San Salvador

What is the cheapest month to book a flight from United Kingdom to San Salvador?

Currently, March is the cheapest month in which you can book a flight from United Kingdom to San Salvador (average of £507). Flying from United Kingdom to San Salvador in May is currently the most expensive (average of £590). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing San Salvador

Get insights into the airlines that provide service to San Salvador. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Salvador. Reviews last updated 23 March 2026.
Get a feel of what it's like to fly with KLM,United Airlines, andAir Canada from the United Kingdom to San Salvador by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,477 reviews
Check prices

Overall

7.8

Comfort

7.6

Crew

8.4

Boarding

7.8

Food

7.3

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
KLM
7.8
Good
1,477 reviews
KLM
7.8
Good
1,477 reviews
Check prices

Overall

7.8

Comfort

7.6

Crew

8.4

Boarding

7.8

Food

7.3

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
United Airlines
7.4
Good
9,467 reviews
KLM
7.8
Good
1,477 reviews
Check prices

Overall

7.8

Comfort

7.6

Crew

8.4

Boarding

7.8

Food

7.3

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Air Canada
7.1
Good
10,835 reviews
KLM
7.8
Good
1,477 reviews
Check prices

Overall

7.8

Comfort

7.6

Crew

8.4

Boarding

7.8

Food

7.3

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Lufthansa
6.8
Okay
7,863 reviews
KLM
7.8
Good
1,477 reviews
Check prices

Overall

7.8

Comfort

7.6

Crew

8.4

Boarding

7.8

Food

7.3

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Avianca
6.5
Okay
2,505 reviews
KLM
7.8
Good
1,477 reviews
Check prices

Overall

7.8

Comfort

7.6

Crew

8.4

Boarding

7.8

Food

7.3

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Related info for your journey

Find useful and relevant information for your journey from United Kingdom to San Salvador. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to San Salvador from United Kingdom?

    Located just 20.5 mi from the city center, San Salvador El Salvador Intl (SAL) is the airport most travelers will use when flying to San Salvador from United Kingdom.

  • How long is the flight from United Kingdom to San Salvador?

    For as low as £664, Avianca can have you in San Salvador from United Kingdom in 15h 25m. The distance from United Kingdom to San Salvador is about 5431 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the most popular routes from United Kingdom to San Salvador?

    The most popular flight routes from United Kingdom to San Salvador are London Heathrow - San Salvador El Salvador Intl, London Gatwick - San Salvador El Salvador Intl and London City - San Salvador El Salvador Intl.

  • Can I find deals for flights from United Kingdom to San Salvador that include hotel bookings?

    Yes. In addition to deals on United Kingdom to San Salvador flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from United Kingdom to San Salvador?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from United Kingdom to San Salvador.

  • Can I find deals for business class flights from United Kingdom to San Salvador?

    Yes. Cheapflights offers flight deals from United Kingdom to San Salvador by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from United Kingdom to San Salvador?

    Currently, March is the cheapest month in which you can book a flight from United Kingdom to San Salvador (average of £507). Flying from United Kingdom to San Salvador in May is currently the most expensive (average of £590). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 5 airlines flying from United Kingdom to San Salvador

Discover the top 5 airlines that operate flights from United Kingdom to San Salvador. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 23 March 2026.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest£506Average£584FlexibilityNo cancel feeOn-time71%
Search Avianca flights
United AirlinesCheapest£548Average£655FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
KLMCheapest£576Average£695FlexibilityNo cancel feeOn-time75%
Search KLM flights
LufthansaCheapest£597Average£639FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air CanadaCheapest£604Average£791FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from United Kingdom to San Salvador?

Cheapflights makes it easy to find United Kingdom to San Salvador flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from United Kingdom to San Salvador?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from United Kingdom to San Salvador for you. Better yet — we are completely free to use.

Can Cheapflights find flights from United Kingdom to San Salvador with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from United Kingdom to San Salvador flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from United Kingdom to San Salvador become cheaper?

Of course! You can now track prices for flights from United Kingdom to San Salvador and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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