Cheap flights from the United Kingdom to San Salvador from £262

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 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SAL
24 Aug — 31 Aug1
1 adult

Cheap 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 19 August 2025.

Round-trip from

£573

One-way from

£262

Popular in

December

Cheapest in

October

Average price

£681
Avianca
  • Avianca
  • 6/11-10/12
  • 2 total stops
  • 39h 55m total
  • United Kingdom to San Salvador
12/11
  • 12/11
  • 3 total stops
  • 34h 52m total
  • United Kingdom to San Salvador
Highest demand for flights based on searches. 5% potential increase in price (£26 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).
Average for round-trip flights in August 2025

Find flight deals from United Kingdom to San Salvador

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 19 August 2025.

Thu 6/1121:40LHR - SAL
1 stop19h 25mAvianca
Wed 10/1212:05SAL - LHR
1 stop20h 30mAvianca
Deal found 17/8£573
Wed 12/1121:40LHR - SAL
1 stop23h 50mAvianca
Wed 19/1112:05SAL - LHR
1 stop20h 30mAvianca
Deal found 19/8£574
Tue 16/922:05LHR - SAL
1 stop25h 15mAvianca
Tue 23/922:20SAL - LHR
2 stops34h 15mAvianca
Deal found 19/8£575
Fri 3/1014:00LGW - SAL
2 stops49h 00mMultiple Airlines
Fri 10/1022:55SAL - LGW
1 stop24h 25mMultiple Airlines
Deal found 19/8£585
Wed 1/1014:00LGW - SAL
2 stops29h 40mMultiple Airlines
Wed 8/1022:55SAL - LGW
1 stop24h 25mMultiple Airlines
Deal found 17/8£590
Thu 25/910:40LGW - SAL
2 stops31h 55mAmerican Airlines
Mon 29/912:35SAL - LGW
2 stops39h 05mAmerican Airlines
Deal found 18/8£592
Wed 1/1013:05LHR - SAL
1 stop22h 45mLufthansa
Tue 7/1002:00SAL - LHR
2 stops22h 40mLufthansa
Deal found 17/8£594
Wed 1/1020:50LHR - SAL
3 stops29h 40mMultiple Airlines
Wed 8/1006:40SAL - LHR
2 stops20h 40mMultiple Airlines
Deal found 17/8£596
Tue 16/906:55LHR - SAL
2 stops20h 22mUnited Airlines
Mon 22/902:00SAL - LHR
1 stop26h 10mUnited Airlines
Deal found 19/8£599
Wed 1/1006:55LHR - SAL
2 stops20h 22mUnited Airlines
Tue 7/1002:00SAL - LHR
2 stops22h 40mUnited Airlines
Deal found 17/8£600
Fri 5/1206:30LHR - SAL
2 stops21h 21mUnited Airlines
Wed 31/1202:00SAL - LHR
1 stop26h 15mUnited Airlines
Deal found 17/8£601
Sat 6/1206:50LHR - SAL
2 stops21h 01mUnited Airlines
Wed 31/1202:00SAL - LHR
1 stop23h 30mUnited Airlines
Deal found 19/8£602

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 19 August 2025.
Use the filters below to find and compare flights from the United Kingdom to San Salvador that are best for you.

Fly from

United Kingdom

Fly to

San Salvador

Route

Depart

Return

Price

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Thu 6/11

21:40-11:05

1 stop19h 25m

San Salvador El Salvador Intl

Wed 10/12

12:05-14:35

1 stop20h 30m

£573

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Wed 12/11

21:40-15:30

1 stop23h 50m

San Salvador El Salvador Intl

Wed 19/11

12:05-14:35

1 stop20h 30m

£574

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Tue 16/9

22:05-16:20

1 stop25h 15m

San Salvador El Salvador Intl

Tue 23/9

22:20-15:35

2 stops34h 15m

£575

LondonSan Salvador

LGW - SAL

LGWSAL

London Gatwick

Fri 3/10

14:00-08:00

2 stops49h 00m

San Salvador El Salvador Intl

Fri 10/10

22:55-06:20

1 stop24h 25m

£585

LondonSan Salvador

LGW - SAL

LGWSAL

London Gatwick

Wed 1/10

14:00-12:40

2 stops29h 40m

San Salvador El Salvador Intl

Wed 8/10

22:55-06:20

1 stop24h 25m

£590

LondonSan Salvador

LGW - SAL

LGWSAL

London Gatwick

Thu 25/9

10:40-11:35

2 stops31h 55m

San Salvador El Salvador Intl

Mon 29/9

12:35-10:40

2 stops39h 05m

£592

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Wed 1/10

10:45-20:52

1 stop17h 07m

San Salvador El Salvador Intl

Wed 8/10

06:40-12:15

1 stop22h 35m

£593

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Wed 1/10

13:05-04:50

1 stop22h 45m

San Salvador El Salvador Intl

Tue 7/10

02:00-07:40

2 stops22h 40m

£594

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Tue 16/9

06:55-20:17

2 stops20h 22m

San Salvador El Salvador Intl

Mon 22/9

02:00-11:10

1 stop26h 10m

£599

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Wed 1/10

06:55-20:17

2 stops20h 22m

San Salvador El Salvador Intl

Tue 7/10

02:00-11:10

1 stop26h 10m

£600

Flights are sorted by cheapest return flights first.

Deals found on 19/8

Showing 1-10 of 39 results
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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 time of day to fly from GB to SAL?

Find hourly flight availability from United Kingdom to San Salvador. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 19 August 2025.

When flying from United Kingdom to San Salvador, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 19 August 2025.
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.

Overall

7.8

Boarding

7.8

Entertainment

7.1

Comfort

7.7

Crew

8.4

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Overall

7.8

Boarding

7.8

Entertainment

7.1

Comfort

7.7

Crew

8.4

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Overall

7.8

Boarding

7.8

Entertainment

7.1

Comfort

7.7

Crew

8.4

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Overall

7.8

Boarding

7.8

Entertainment

7.1

Comfort

7.7

Crew

8.4

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Overall

7.8

Boarding

7.8

Entertainment

7.1

Comfort

7.7

Crew

8.4

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Overall

7.8

Boarding

7.8

Entertainment

7.1

Comfort

7.7

Crew

8.4

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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 £573, Avianca can have you in San Salvador from United Kingdom in 19h 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 cheapest airlines to fly from United Kingdom to San Salvador one-way?

    The cheapet airlines for a one-way flight from United Kingdom to San Salvador are Avianca (£519), KLM (£749), and Iberia (£752).

  • 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 7 airlines flying from United Kingdom to San Salvador

Discover the top 7 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 19 August 2025.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest£488Average£738FlexibilityNo cancel feeOn-time71%
Search Avianca flights
KLMCheapest£514Average£643FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air CanadaCheapest£521Average£725FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest£549Average£622FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
LufthansaCheapest£549Average£612FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air FranceCheapest£570Average£670FlexibilityNo cancel feeOn-time77%
Search Air France flights
IberiaCheapest£786Average£1,220FlexibilityNo cancel feeOn-time77%
Search Iberia flights

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