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Cheap flights from the United Kingdom to San Salvador from £431

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 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SAL
11 Jul — 18 Jul1
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 11 June 2026.

Mon 31/806:00
LHR
-
SAL
2 stops21h 00m
Multiple Airlines
Fri 18/920:25
SAL
-
LHR
2 stops36h 10m
Multiple Airlines
Deal found 8/6£664
Fri 4/906:00
LHR
-
SAL
2 stops21h 00m
Multiple Airlines
Sat 19/911:50
SAL
-
LHR
2 stops20h 45m
Multiple Airlines
Deal found 9/6£667
Thu 5/1106:00
LHR
-
SAL
2 stops21h 55m
Multiple Airlines
Sat 14/1120:25
SAL
-
LHR
2 stops39h 05m
Multiple Airlines
Deal found 10/6£667
Mon 7/919:50
LHR
-
SAL
2 stops33h 05m
Multiple Airlines
Sun 13/909:35
SAL
-
LHR
2 stops17h 45m
Multiple Airlines
Deal found 10/6£668
Mon 22/622:05
LHR
-
SAL
1 stop15h 25m
Avianca
Thu 25/612:05
SAL
-
LHR
1 stop20h 30m
Avianca
Deal found 8/6£679
Mon 8/622:05
LHR
-
SAL
1 stop20h 00m
Avianca
Sun 21/612:05
SAL
-
LHR
1 stop20h 30m
Avianca
Deal found 7/6£681
Tue 3/1121:40
LHR
-
SAL
1 stop24h 00m
Avianca
Mon 16/1108:00
SAL
-
LHR
1 stop24h 35m
Avianca
Deal found 9/6£682
Wed 4/1121:40
LHR
-
SAL
1 stop19h 25m
Avianca
Mon 16/1112:05
SAL
-
LHR
1 stop20h 30m
Avianca
Deal found 10/6£683
Thu 17/906:05
BHX
-
SAL
2 stops22h 30m
United Airlines
Mon 21/906:00
SAL
-
BHX
2 stops28h 25m
United Airlines
Deal found 7/6£695
Mon 28/1206:10
MAN
-
SAL
2 stops21h 41m
United Airlines
Thu 14/116:40
SAL
-
MAN
2 stops42h 20m
United Airlines
Deal found 8/6£699
Tue 18/806:05
MAN
-
SAL
2 stops36h 24m
United Airlines
Sun 13/915:40
SAL
-
MAN
2 stops55h 50m
United Airlines
Deal found 10/6£712
Tue 25/806:05
MAN
-
SAL
2 stops22h 30m
United Airlines
Sun 6/913:20
SAL
-
MAN
2 stops21h 00m
United Airlines
Deal found 7/6£716

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 11 June 2026.

Round-trip from

£664

One-way from

£431

Popular in

December

Cheapest in

May

Average price

£691
31/8-18/9
  • 31/8-18/9
  • 4 total stops
  • 57h 10m total
  • United Kingdom to San Salvador
Search Deals
9/7
  • 9/7
  • 2 total stops
  • 22h 55m total
  • United Kingdom to San Salvador
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£18 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 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 11 June 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

Tue 3/11

21:40-16:35

2 stops24h 55m

San Salvador El Salvador Intl

Mon 16/11

08:00-14:35

1 stop24h 35m

£683

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Mon 7/9

13:40-12:15

1 stop29h 35m

San Salvador El Salvador Intl

Sun 13/9

15:40-07:45

1 stop33h 05m

£689

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Thu 16/7

10:00-14:30

1 stop35h 30m

San Salvador El Salvador Intl

Mon 27/7

13:50-11:35

1 stop14h 45m

£691

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Mon 5/10

16:20-12:24

2 stops27h 04m

San Salvador El Salvador Intl

Sun 11/10

13:39-13:15

1 stop16h 36m

£694

BirminghamSan Salvador

BHX - SAL

BHXSAL

Birmingham

Thu 17/9

06:05-21:35

2 stops22h 30m

San Salvador El Salvador Intl

Mon 21/9

06:00-17:25

2 stops28h 25m

£695

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Thu 2/7

10:00-18:58

1 stop15h 58m

San Salvador El Salvador Intl

Fri 10/7

01:15-06:45

2 stops22h 30m

£712

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Thu 9/7

16:00-12:15

2 stops27h 15m

San Salvador El Salvador Intl

Thu 16/7

06:00-07:45

1 stop18h 45m

£715

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Thu 16/7

16:00-11:29

2 stops26h 29m

San Salvador El Salvador Intl

Mon 27/7

22:45-20:40

1 stop14h 55m

£715

ManchesterSan Salvador

MAN - SAL

MANSAL

Manchester

Tue 25/8

06:05-21:35

2 stops22h 30m

San Salvador El Salvador Intl

Sun 6/9

13:20-17:20

2 stops21h 00m

£716
Fastest return journey

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Thu 5/11

10:00-21:19

1 stop17h 19m

San Salvador El Salvador Intl

Sat 14/11

06:55-07:30

1 stop18h 35m

£716

Flights are sorted by cheapest return flights first.

Deals found on 11/6

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, June is the cheapest month in which you can book a flight from United Kingdom to San Salvador (average of £448). Flying from United Kingdom to San Salvador in July is currently the most expensive (average of £580). 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.

How far ahead should I book a flight from United Kingdom to San Salvador?

Booking 11 days in advance of your planned departure date is, on average, the best time to get cheap flights from United Kingdom to San Salvador. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 11 June 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
1,527 reviews
Check prices

Boarding

7.8

Crew

8.4

Food

7.3

Overall

7.8

Entertainment

7.2

Comfort

7.7

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
KLM
7.8
Good
1,527 reviews
KLM
7.8
Good
1,527 reviews
Check prices

Boarding

7.8

Crew

8.4

Food

7.3

Overall

7.8

Entertainment

7.2

Comfort

7.7

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
United Airlines
7.4
Good
9,805 reviews
KLM
7.8
Good
1,527 reviews
Check prices

Boarding

7.8

Crew

8.4

Food

7.3

Overall

7.8

Entertainment

7.2

Comfort

7.7

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Air Canada
7.1
Good
11,160 reviews
KLM
7.8
Good
1,527 reviews
Check prices

Boarding

7.8

Crew

8.4

Food

7.3

Overall

7.8

Entertainment

7.2

Comfort

7.7

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Lufthansa
6.8
Okay
8,052 reviews
KLM
7.8
Good
1,527 reviews
Check prices

Boarding

7.8

Crew

8.4

Food

7.3

Overall

7.8

Entertainment

7.2

Comfort

7.7

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Avianca
6.5
Okay
2,535 reviews
KLM
7.8
Good
1,527 reviews
Check prices

Boarding

7.8

Crew

8.4

Food

7.3

Overall

7.8

Entertainment

7.2

Comfort

7.7

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

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 £683, Avianca can have you in San Salvador from United Kingdom in 24h 55m. 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 Stansted - 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, June is the cheapest month in which you can book a flight from United Kingdom to San Salvador (average of £448). Flying from United Kingdom to San Salvador in July is currently the most expensive (average of £580). 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 11 June 2026.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest£504Average£611FlexibilityNo cancel feeOn-time71%
Search Avianca flights
United AirlinesCheapest£558Average£648FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
LufthansaCheapest£590Average£664FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
KLMCheapest£598Average£747FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air CanadaCheapest£623Average£800FlexibilityNo 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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