Cheap flights from the United Kingdom to San Salvador from £303

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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SAL
15 Apr — 22 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 16 March 2026.

Sun 26/422:05
LHR
-
SAL
1 stop24h 35m
Avianca
Sun 3/512:05
SAL
-
LHR
1 stop20h 30m
Avianca
Deal found 12/3£532
Tue 5/522:05
LHR
-
SAL
1 stop24h 35m
Avianca
Sat 23/508:05
SAL
-
LHR
1 stop24h 30m
Avianca
Deal found 15/3£568
Thu 23/422:05
LHR
-
SAL
2 stops39h 05m
Avianca
Sat 9/522:20
SAL
-
LHR
2 stops34h 15m
Avianca
Deal found 15/3£572
Sat 25/422:05
LHR
-
SAL
1 stop15h 25m
Avianca
Mon 11/508:15
SAL
-
LHR
2 stops24h 20m
Avianca
Deal found 14/3£573
Thu 17/906:05
BHX
-
SAL
2 stops39h 25m
United Airlines
Mon 21/906:00
SAL
-
BHX
2 stops28h 25m
United Airlines
Deal found 11/3£662
Thu 15/1005:55
MAN
-
SAL
2 stops39h 28m
United Airlines
Mon 19/1006:00
SAL
-
MAN
2 stops21h 40m
United Airlines
Deal found 11/3£676
Fri 7/809:00
MAN
-
SAL
2 stops33h 29m
United Airlines
Sun 16/813:20
SAL
-
MAN
2 stops44h 50m
United Airlines
Deal found 12/3£703
Thu 23/410:25
LGW
-
SAL
2 stops27h 05m
Multiple Airlines
Sat 9/507:30
SAL
-
LGW
2 stops25h 30m
Multiple Airlines
Deal found 15/3£738
Fri 13/307:45
LCY
-
SAL
2 stops21h 52m
KLM
Mon 30/314:13
SAL
-
LCY
2 stops19h 27m
KLM
Deal found 11/3£751
Sun 26/414:00
LGW
-
SAL
1 stop33h 25m
Multiple Airlines
Sun 3/522:35
SAL
-
LGW
2 stops30h 10m
Multiple Airlines
Deal found 12/3£766
Sat 25/417:00
LGW
-
SAL
2 stops37h 36m
Multiple Airlines
Mon 11/507:30
SAL
-
LGW
2 stops25h 30m
Multiple Airlines
Deal found 14/3£806
Mon 9/1109:15
LCY
-
SAL
2 stops29h 40m
Multiple Airlines
Mon 16/1107:35
SAL
-
LCY
2 stops19h 40m
Multiple Airlines
Deal found 11/3£813

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 16 March 2026.

Round-trip from

£532

One-way from

£303

Popular in

December

Cheapest in

September

Average price

£615
Avianca
  • Avianca
  • 26/4-3/5
  • 2 total stops
  • 45h 05m total
  • United Kingdom to San Salvador
12/4
  • 12/4
  • 3 total stops
  • 41h 35m total
  • United Kingdom to San Salvador
Highest demand for flights based on searches. 7% potential increase in price (£42 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (£8 potential savings vs. average return price).
Average for round-trip flights in March 2026

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 16 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

Thu 14/5

22:05-15:40

1 stop24h 35m

San Salvador El Salvador Intl

Mon 18/5

12:05-15:35

1 stop20h 30m

£604

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Tue 5/5

08:45-04:50

2 stops27h 05m

San Salvador El Salvador Intl

Fri 22/5

02:00-10:10

1 stop25h 10m

£655

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Thu 14/5

13:35-04:50

2 stops46h 15m

San Salvador El Salvador Intl

Sun 17/5

02:00-10:10

1 stop25h 10m

£664
Fastest return journey

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Mon 17/8

06:55-20:49

2 stops20h 54m

San Salvador El Salvador Intl

Sat 29/8

13:20-10:40

1 stop14h 20m

£670

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Fri 7/8

08:00-18:58

2 stops17h 58m

San Salvador El Salvador Intl

Sun 16/8

06:00-09:40

2 stops20h 40m

£681

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Sat 23/5

10:00-18:58

1 stop15h 58m

San Salvador El Salvador Intl

Fri 29/5

01:15-07:15

2 stops23h 00m

£692

ManchesterSan Salvador

MAN - SAL

MANSAL

Manchester

Fri 7/8

09:00-11:29

2 stops33h 29m

San Salvador El Salvador Intl

Sun 16/8

13:20-17:10

2 stops44h 50m

£703

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Mon 30/3

13:40-14:30

1 stop31h 50m

San Salvador El Salvador Intl

Sat 11/4

15:40-10:40

2 stops36h 00m

£704

BirminghamSan Salvador

BHX - SAL

BHXSAL

Birmingham

Wed 13/5

06:05-20:15

2 stops21h 10m

San Salvador El Salvador Intl

Sun 17/5

08:15-17:40

2 stops26h 25m

£885

LondonSan Salvador

STN - SAL

STNSAL

London Stansted

Sun 26/4

20:00-15:40

2 stops26h 40m

San Salvador El Salvador Intl

Sun 3/5

07:09-19:55

3 stops29h 46m

£899

Flights are sorted by cheapest return flights first.

Deals found on 14/3

Showing 1-10 of 60 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 £511). Flying from United Kingdom to San Salvador in May is currently the most expensive (average of £595). 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 16 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.

Comfort

7.6

Overall

7.8

Crew

8.4

Entertainment

7.1

Boarding

7.8

Food

7.3

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

Comfort

7.6

Overall

7.8

Crew

8.4

Entertainment

7.1

Boarding

7.8

Food

7.3

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

Comfort

7.6

Overall

7.8

Crew

8.4

Entertainment

7.1

Boarding

7.8

Food

7.3

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

Comfort

7.6

Overall

7.8

Crew

8.4

Entertainment

7.1

Boarding

7.8

Food

7.3

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

Comfort

7.6

Overall

7.8

Crew

8.4

Entertainment

7.1

Boarding

7.8

Food

7.3

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

Comfort

7.6

Overall

7.8

Crew

8.4

Entertainment

7.1

Boarding

7.8

Food

7.3

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 £885, Avianca can have you in San Salvador from United Kingdom in 21h 10m. The distance from United Kingdom to San Salvador is about 5368 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?

  • 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 £511). Flying from United Kingdom to San Salvador in May is currently the most expensive (average of £595). 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

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Top 6 airlines flying from United Kingdom to San Salvador

Discover the top 6 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 16 March 2026.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest£510Average£588FlexibilityNo cancel feeOn-time71%
Search Avianca flights
United AirlinesCheapest£553Average£661FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
KLMCheapest£581Average£700FlexibilityNo cancel feeOn-time75%
Search KLM flights
LufthansaCheapest£602Average£644FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air CanadaCheapest£609Average£798FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
IberiaCheapest£1,104Average£1,249FlexibilityNo cancel feeOn-time77%
Search Iberia flights

Fly with Cheapflights

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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.

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