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Cheap flights from the United Kingdom to San Salvador from £398

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 29/6. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SAL
30 Jun — 7 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 31 May 2026.

Mon 21/922:05
LHR
-
SAL
2 stops52h 00m
Avianca
Fri 25/912:05
SAL
-
LHR
1 stop20h 30m
Avianca
Deal found 29/5£614
Mon 21/913:20
LHR
-
SAL
2 stops28h 53m
Multiple Airlines
Fri 25/912:24
SAL
-
LHR
2 stops16h 51m
Multiple Airlines
Deal found 29/5£675
Sat 24/1012:15
LHR
-
SAL
2 stops29h 40m
Multiple Airlines
Sat 7/1115:22
SAL
-
LHR
1 stop14h 43m
Multiple Airlines
Deal found 29/5£676
Tue 3/1121:40
LHR
-
SAL
1 stop19h 25m
Avianca
Mon 16/1108:00
SAL
-
LHR
1 stop24h 35m
Avianca
Deal found 29/5£681
Thu 25/622:05
LHR
-
SAL
1 stop20h 00m
Avianca
Thu 2/723:20
SAL
-
LHR
2 stops33h 15m
Avianca
Deal found 26/5£684
Fri 29/522:05
LHR
-
SAL
1 stop24h 35m
Avianca
Thu 11/612:05
SAL
-
LHR
1 stop20h 30m
Avianca
Deal found 28/5£686
Sat 24/1013:40
LHR
-
SAL
1 stop29h 39m
Lufthansa
Fri 6/1103:00
SAL
-
LHR
1 stop28h 30m
Lufthansa
Deal found 29/5£687
Mon 28/1206:10
MAN
-
SAL
2 stops21h 41m
United Airlines
Thu 14/116:40
SAL
-
MAN
2 stops42h 20m
United Airlines
Deal found 29/5£699
Thu 9/710:35
MAN
-
SAL
2 stops31h 54m
United Airlines
Mon 20/722:45
SAL
-
MAN
2 stops28h 05m
United Airlines
Deal found 26/5£709
Fri 10/709:00
MAN
-
SAL
2 stops42h 49m
United Airlines
Mon 20/706:00
SAL
-
MAN
3 stops41h 30m
United Airlines
Deal found 26/5£764
Thu 12/1106:10
BHX
-
SAL
2 stops37h 09m
United Airlines
Mon 16/1123:54
SAL
-
BHX
2 stops30h 41m
United Airlines
Deal found 27/5£796
Fri 12/618:05
BHX
-
SAL
2 stops34h 00m
Multiple Airlines
Mon 15/607:30
SAL
-
BHX
2 stops17h 35m
Multiple Airlines
Deal found 28/5£841

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 31 May 2026.

Round-trip from

£614

One-way from

£398

Popular in

December

Cheapest in

October

Average price

£617
Avianca
  • Avianca
  • 21/9-25/9
  • 3 total stops
  • 72h 30m total
  • United Kingdom to San Salvador
Search Deals
29/6
  • 29/6
  • 3 total stops
  • 51h 20m total
  • United Kingdom to San Salvador
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£28 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 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 31 May 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

Fri 12/6

06:50-21:35

2 stops21h 45m

San Salvador El Salvador Intl

Mon 15/6

22:45-06:55

2 stops25h 10m

£689

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Thu 9/7

06:55-20:49

2 stops20h 54m

San Salvador El Salvador Intl

Sat 18/7

01:15-09:00

2 stops24h 45m

£690

ManchesterSan Salvador

MAN - SAL

MANSAL

Manchester

Thu 9/7

10:35-11:29

2 stops31h 54m

San Salvador El Salvador Intl

Mon 20/7

22:45-09:50

2 stops28h 05m

£709

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Thu 5/11

12:05-21:19

1 stop15h 14m

San Salvador El Salvador Intl

Sat 14/11

16:40-05:55

2 stops31h 15m

£721
Fastest return journey

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Sat 27/6

09:30-20:49

2 stops18h 19m

San Salvador El Salvador Intl

Sat 4/7

06:00-06:45

2 stops17h 45m

£764

BirminghamSan Salvador

BHX - SAL

BHXSAL

Birmingham

Thu 12/11

06:10-13:19

2 stops37h 09m

San Salvador El Salvador Intl

Mon 16/11

23:54-12:35

2 stops30h 41m

£796

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Fri 3/7

07:45-20:49

2 stops20h 04m

San Salvador El Salvador Intl

Sun 12/7

06:00-08:20

2 stops19h 20m

£823

BirminghamSan Salvador

BHX - SAL

BHXSAL

Birmingham

Fri 12/6

18:05-21:05

2 stops34h 00m

San Salvador El Salvador Intl

Mon 15/6

07:30-08:05

2 stops17h 35m

£841

LondonSan Salvador

LGW - SAL

LGWSAL

London Gatwick

Thu 25/6

09:40-14:15

2 stops35h 35m

San Salvador El Salvador Intl

Thu 2/7

23:05-23:05

1 stop17h 00m

£893

LondonSan Salvador

STN - SAL

STNSAL

London Stansted

Sat 24/10

17:40-15:40

2 stops29h 00m

San Salvador El Salvador Intl

Sat 7/11

07:09-22:40

3 stops33h 31m

£911

Flights are sorted by cheapest return flights first.

Deals found on 29/5

Showing 1-10 of 55 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 £445). Flying from United Kingdom to San Salvador in July is currently the most expensive (average of £576). 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 31 May 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
1,524 reviews
Check prices

Entertainment

7.2

Food

7.3

Comfort

7.7

Crew

8.4

Boarding

7.8

Overall

7.8

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
1,524 reviews
KLM
7.8
Good
1,524 reviews
Check prices

Entertainment

7.2

Food

7.3

Comfort

7.7

Crew

8.4

Boarding

7.8

Overall

7.8

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
9,768 reviews
KLM
7.8
Good
1,524 reviews
Check prices

Entertainment

7.2

Food

7.3

Comfort

7.7

Crew

8.4

Boarding

7.8

Overall

7.8

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
11,106 reviews
KLM
7.8
Good
1,524 reviews
Check prices

Entertainment

7.2

Food

7.3

Comfort

7.7

Crew

8.4

Boarding

7.8

Overall

7.8

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
8,031 reviews
KLM
7.8
Good
1,524 reviews
Check prices

Entertainment

7.2

Food

7.3

Comfort

7.7

Crew

8.4

Boarding

7.8

Overall

7.8

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
2,527 reviews
KLM
7.8
Good
1,524 reviews
Check prices

Entertainment

7.2

Food

7.3

Comfort

7.7

Crew

8.4

Boarding

7.8

Overall

7.8

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 £689, United Airlines can have you in San Salvador from United Kingdom in 21h 45m. 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 £445). Flying from United Kingdom to San Salvador in July is currently the most expensive (average of £576). 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 31 May 2026.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest£501Average£582FlexibilityNo cancel feeOn-time71%
Search Avianca flights
United AirlinesCheapest£554Average£643FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
LufthansaCheapest£582Average£646FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
KLMCheapest£594Average£742FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air CanadaCheapest£619Average£795FlexibilityNo 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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