What are the cheapest airlines flying from San Salvador to London round-trip?

According to our current data, KLM (£648), United Airlines (£723), and Iberia (£1,045) offers the cheapest pricing from San Salvador to London.

What are the cheapest airlines to fly from San Salvador to London one-way?

The cheapest airline one-way is Avianca, with whom users have recently found tickets for as low as £427. However, be on the lookout for offers from KLM and United Airlines, as they are both options that can get you from San Salvador to London for a low price.

What is the cheapest day to fly from San Salvador to London?

Travellers seeking maximum savings on their San Salvador to London flight should consider departing on Thursday mornings when fares are most often at their lowest. Thursday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in London ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

What are the most popular routes from San Salvador to London?

While some choose either San Salvador El Salvador Intl - London Gatwick or San Salvador El Salvador Intl - London City, San Salvador El Salvador Intl - London Heathrow is the most popular route from San Salvador to London.

What is the cheapest day to fly round-trip from San Salvador to London?

Travelers have found that booking a Monday departure is the best way to save up to 25% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

How far in advance should I book a flight from San Salvador to London?

Find a great deal and save up to 17% by booking at least 36 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from San Salvador to London within the next two weeks, with the cheapest ticket starting at £567.

What is the cheapest month to fly from San Salvador to London?

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, September can be a great choice for travel to London. Flights to London from San Salvador in September are about £641 on average during September, but can be found for as low as £536.

What airport do you fly from for flights from San Salvador to London?

For a flight from San Salvador to London, you will be flying from El Salvador Intl. San Salvador El Salvador Intl (SAL) is just 20.5 mi from the center of the city. El Salvador Intl is the only San Salvador airport and it handles 0 outbound flights to London per day. 2 airlines have flights to London from San Salvador El Salvador Intl on a regular basis.

Can I find deals for flights from San Salvador to London that include hotel bookings?

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

How can I find direct flights from San Salvador to London?

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

Can I find deals for business class flights from San Salvador to London?

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

£214+ Flights from San Salvador to London

Cheapflights Tip: The best prices from San Salvador El Salvador Intl to London are usually found in September or October, booked 87 days in advance, depart on a Tuesday or Saturday and return on a Wednesday

Cheap flight deals from San Salvador to London

Round-trip from	£471
One-way from	£214
Popular in	June
Cheapest in	September
Average price	£765

2/10-12/10
2 total stops
48h 15m total
San Salvador to London

Search Deals

13/9
1 total stop
24h 25m total
San Salvador to London

Search Deals

Highest demand for flights based on searches. 13% potential increase in price (£71 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).

Search Deals

Average for round-trip flights in July 2025

Search Deals

Find flight deals from San Salvador to London

Cheapest flights from San Salvador to London
Explore the most affordable flight options available from San Salvador to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.

Thu 2/1022:55SAL - LGW

1 stop24h 25mMultiple Airlines

Sun 12/1013:05LGW - SAL

1 stop23h 50mMultiple Airlines

Deal found 11/7£471

Wed 12/1122:55SAL - LHR

1 stop15h 05mMultiple Airlines

Tue 18/1109:55LHR - SAL

2 stops25h 50mMultiple Airlines

Deal found 10/7£525

Tue 9/913:52SAL - LHR

1 stop16h 38mKLM

Sat 20/909:20LHR - SAL

1 stop34h 02mKLM

Deal found 10/7£648

Fri 14/1106:55SAL - LHR

2 stops21h 55mUnited Airlines

Sun 16/1109:30LHR - SAL

2 stops19h 17mUnited Airlines

Deal found 10/7£723

Tue 29/706:20SAL - LCY

2 stops18h 50mMultiple Airlines

Thu 7/808:45LCY - SAL

2 stops27h 12mMultiple Airlines

Deal found 10/7£901

Mon 29/1221:00SAL - LGW

1 stop31h 15mIberia

Wed 14/119:35LGW - SAL

2 stops29h 55mIberia

Deal found 9/7£1,045

Wed 1/1013:40SAL - LGW

2 stops25h 40mTurkish Airlines

Wed 15/1005:20LGW - SAL

2 stops25h 19mTurkish Airlines

Deal found 10/7£1,099

Tue 29/714:05SAL - LGW

2 stops33h 30mAmerican Airlines

Fri 8/815:05LGW - SAL

2 stops27h 31mAmerican Airlines

Deal found 9/7£1,186

Wed 30/712:20SAL - STN

3 stops27h 25mMultiple Airlines

Fri 8/806:15STN - SAL

2 stops29h 45mMultiple Airlines

Deal found 9/7£1,312

Sat 27/1214:15SAL - LCY

2 stops17h 00mKLM

Tue 30/1207:45LCY - SAL

2 stops18h 50mKLM

Deal found 10/7£1,369

Mon 6/1013:30SAL - LCY

2 stops20h 10mDelta

Sun 12/1013:45LCY - SAL

2 stops29h 25mDelta

Deal found 10/7£1,546

Best flights from San Salvador to London
Discover carefully curated flight deals from San Salvador to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 11 July 2025.

Thu 2/1022:55SAL - LGW

1 stop24h 25mMultiple Airlines

Sun 12/1013:05LGW - SAL

1 stop23h 50mMultiple Airlines

Deal found 11/7£471

Tue 9/913:52SAL - LHR

1 stop16h 38mKLM

Sat 20/909:20LHR - SAL

1 stop34h 02mKLM

Deal found 10/7£648

Fri 14/1106:55SAL - LHR

2 stops21h 55mUnited Airlines

Sun 16/1109:30LHR - SAL

2 stops19h 17mUnited Airlines

Deal found 10/7£723

Mon 29/1221:00SAL - LGW

1 stop31h 15mIberia

Wed 14/119:35LGW - SAL

2 stops29h 55mIberia

Deal found 9/7£1,045

Wed 12/1122:55SAL - LHR

1 stop15h 05mMultiple Airlines

Tue 18/1109:55LHR - SAL

2 stops25h 50mMultiple Airlines

Deal found 10/7£525

Wed 1/1013:40SAL - LGW

2 stops25h 40mTurkish Airlines

Wed 15/1005:20LGW - SAL

2 stops25h 19mTurkish Airlines

Deal found 10/7£1,099

Tue 29/714:05SAL - LGW

2 stops33h 30mAmerican Airlines

Fri 8/815:05LGW - SAL

2 stops27h 31mAmerican Airlines

Deal found 9/7£1,186

Mon 6/1013:30SAL - LCY

2 stops20h 10mDelta

Sun 12/1013:45LCY - SAL

2 stops29h 25mDelta

Deal found 10/7£1,546

Tue 29/706:20SAL - LCY

2 stops18h 50mMultiple Airlines

Thu 7/808:45LCY - SAL

2 stops27h 12mMultiple Airlines

Deal found 10/7£901

Sat 27/1214:15SAL - LCY

2 stops17h 00mKLM

Tue 30/1207:45LCY - SAL

2 stops18h 50mKLM

Deal found 10/7£1,369

Wed 30/712:20SAL - STN

3 stops27h 25mMultiple Airlines

Fri 8/806:15STN - SAL

2 stops29h 45mMultiple Airlines

Deal found 9/7£1,312

Last-minute flights from San Salvador to London
Discover last-minute flight deals from San Salvador to London. Data last updated 11 July 2025 and is based on user searches.

Tue 29/717:35SAL - LHR

1 stop35h 15mAir Canada

Wed 6/815:10LHR - SAL

2 stops36h 05mAir Canada

Deal found 9/7£791

Tue 29/706:20SAL - LCY

2 stops18h 50mMultiple Airlines

Thu 7/808:45LCY - SAL

2 stops27h 12mMultiple Airlines

Deal found 10/7£901

Tue 29/714:05SAL - LGW

2 stops33h 30mAmerican Airlines

Fri 8/815:05LGW - SAL

2 stops27h 31mAmerican Airlines

Deal found 9/7£1,186

Wed 30/712:20SAL - STN

3 stops27h 25mMultiple Airlines

Fri 8/806:15STN - SAL

2 stops29h 45mMultiple Airlines

Deal found 9/7£1,312

Fri 1/812:30SAL - LHR

2 stops17h 00mAmerican Airlines

Wed 6/817:00LHR - SAL

2 stops25h 36mAmerican Airlines

Deal found 10/7£1,124

Sat 9/813:29SAL - LHR

1 stop34h 16mKLM

Fri 12/909:20LHR - SAL

1 stop34h 02mKLM

Deal found 10/7£748

Sat 9/813:42SAL - LGW

2 stops25h 43mTurkish Airlines

Fri 12/905:30LGW - SAL

2 stops25h 05mTurkish Airlines

Deal found 10/7£1,422

Thu 21/802:00SAL - LHR

1 stop26h 10mUnited Airlines

Sat 30/807:25LHR - SAL

2 stops19h 52mUnited Airlines

Deal found 10/7£795

Fri 22/807:35SAL - LGW

1 stop16h 20mMultiple Airlines

Sat 30/814:00LGW - SAL

1 stop34h 55mMultiple Airlines

Deal found 9/7£492

Fri 22/806:40SAL - LHR

1 stop22h 35mMultiple Airlines

Sat 30/815:55LHR - SAL

1 stop35h 57mMultiple Airlines

Deal found 10/7£614

One-way flights from San Salvador to London
Search for one-way flight options from San Salvador to London. Find affordable one-way fares based on user searches. Data last updated 11 July 2025.

Sat 13/922:55SAL - LGW

1 stop24h 25mMultiple Airlines

Deal found 10/7£214

Tue 23/922:55SAL - LHR

2 stops51h 15mMultiple Airlines

Deal found 9/7£250

Wed 30/722:55SAL - STN

2 stops53h 30mMultiple Airlines

Deal found 9/7£369

Wed 30/718:55SAL - LCY

3 stops38h 20mMultiple Airlines

Deal found 9/7£373

Sun 21/909:25SAL - LHR

1 stop23h 10mAvianca

Deal found 9/7£427

Sat 30/813:52SAL - LHR

1 stop33h 53mKLM

Deal found 10/7£461

Mon 17/1114:25SAL - LCY

2 stops20h 10mKLM

Deal found 10/7£475

Sat 20/902:00SAL - LHR

1 stop26h 10mUnited Airlines

Deal found 10/7£496

Sat 30/817:35SAL - LHR

2 stops34h 35mAir Canada

Deal found 10/7£505

Mon 17/1115:45SAL - LGW

2 stops21h 05mIberia

Deal found 9/7£623

Sat 30/813:52SAL - LGW

2 stops37h 08mDelta

Deal found 10/7£738

Sun 24/806:00SAL - LCY

3 stops23h 30mUnited Airlines

Deal found 10/7£811

Cheapflights Fare Finder

Use the filters below to find and compare flights from San Salvador to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San SalvadorLondon

SAL - LGW

SALLGW

San Salvador El Salvador Intl

Thu 2/10

22:55-06:20

1 stop24h 25m

London Gatwick

Sun 12/10

13:05-05:55

1 stop23h 50m

£471

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Wed 12/11

22:55-20:00

1 stop15h 05m

London Heathrow

Tue 18/11

09:55-05:45

2 stops25h 50m

£525

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Tue 9/9

13:52-13:30

1 stop16h 38m

London Heathrow

Sat 20/9

09:20-12:22

1 stop34h 02m

£648

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Fri 14/11

06:55-10:50

2 stops21h 55m

London Heathrow

Sun 16/11

09:30-22:47

2 stops19h 17m

£723

San SalvadorLondon

SAL - LCY

SALLCY

San Salvador El Salvador Intl

Tue 29/7

06:20-08:10

2 stops18h 50m

London City

Thu 7/8

08:45-04:57

2 stops27h 12m

£901

San SalvadorLondon

SAL - LGW

SALLGW

San Salvador El Salvador Intl

Mon 29/12

21:00-10:15

1 stop31h 15m

London Gatwick

Wed 14/1

19:35-19:30

2 stops29h 55m

£1,045

San SalvadorLondon

SAL - LGW

SALLGW

San Salvador El Salvador Intl

Wed 1/10

13:40-22:20

2 stops25h 40m

London Gatwick

Wed 15/10

05:20-23:39

2 stops25h 19m

£1,099

San SalvadorLondon

SAL - LGW

SALLGW

San Salvador El Salvador Intl

Tue 29/7

14:05-06:35

2 stops33h 30m

London Gatwick

Fri 8/8

15:05-11:36

2 stops27h 31m

£1,186

San SalvadorLondon

SAL - STN

SALSTN

San Salvador El Salvador Intl

Wed 30/7

12:20-22:45

3 stops27h 25m

London Stansted

Fri 8/8

06:15-05:00

2 stops29h 45m

£1,312

San SalvadorLondon

SAL - LCY

SALLCY

San Salvador El Salvador Intl

Sat 27/12

14:15-13:15

2 stops17h 00m

London City

Tue 30/12

07:45-20:35

2 stops18h 50m

£1,369

Flights are sorted by cheapest return flights first.

Deals found on 10/7

Showing 1-10 of 26 results

Best time to book a flight from San Salvador to London

Have a flexible travel schedule? Discover the best time to fly to London from San Salvador 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 San Salvador to London

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

Booking 87 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Salvador to London. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, January is the cheapest month in which you can book a flight from San Salvador to London (average of £112). Flying from San Salvador to London in August is currently the most expensive (average of £164). 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.

What is the cheapest time of day to fly from SAL to LON?

A simple way to save on the total cost of your ticket is to fly from San Salvador to London in the afternoon. If you’re flexible enough to do this you can expect to save up to 4% on your trip compared to booking a flight in the morning.

How much does it cost for a return flight from San Salvador to London?

Reviews of airlines servicing London

Check out reviews from past customers who have flown with Delta, KLM, andUnited Airlines from San Salvador to London to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very Good

7,951 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very Good

7,951 reviews

Delta

8.0

Very Good

7,951 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM

7.8

Good

1,372 reviews

Delta

8.0

Very Good

7,951 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines

7.4

Good

8,848 reviews

Delta

8.0

Very Good

7,951 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Turkish Airlines

7.3

Good

3,896 reviews

Delta

8.0

Very Good

7,951 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very Good

7,951 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

What airport do you fly from for flights from San Salvador to London?
For a flight from San Salvador to London, you will be flying from El Salvador Intl. San Salvador El Salvador Intl (SAL) is just 20.5 mi from the center of the city. El Salvador Intl is the only San Salvador airport and it handles 0 outbound flights to London per day. 2 airlines have flights to London from San Salvador El Salvador Intl on a regular basis.
What are the cheapest airlines flying from San Salvador to London round-trip?
According to our current data, KLM (£648), United Airlines (£723), and Iberia (£1,045) offers the cheapest pricing from San Salvador to London.
What are the cheapest airlines to fly from San Salvador to London one-way?
The cheapest airline one-way is Avianca, with whom users have recently found tickets for as low as £427. However, be on the lookout for offers from KLM and United Airlines, as they are both options that can get you from San Salvador to London for a low price.
What are the most popular routes from San Salvador to London?
While some choose either San Salvador El Salvador Intl - London Gatwick or San Salvador El Salvador Intl - London City, San Salvador El Salvador Intl - London Heathrow is the most popular route from San Salvador to London.
Can I find deals for flights from San Salvador to London that include hotel bookings?
Yes. In addition to deals on San Salvador to London flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from San Salvador to London?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Salvador to London.
Can I find deals for business class flights from San Salvador to London?
Yes. Cheapflights offers flight deals from San Salvador to London 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 San Salvador to London?
Currently, January is the cheapest month in which you can book a flight from San Salvador to London (average of £112). Flying from San Salvador to London in August is currently the most expensive (average of £164). 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

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Watford

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Browse thousands of different options on Cheapflights for your next trip

Top 2 airlines flying from San Salvador to London

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest£541	Average£588	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Iberia	Cheapest£778	Average£867	FlexibilityNo cancel fee	On-time77%	Search Iberia flights

Fly with Cheapflights

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

Cheapflights helps you search for flights from San Salvador to London via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from San Salvador to London.

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

Yes! Cheapflights helps users easily find flights from San Salvador to London with no change fees.

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

Not ready to book yet? You can track prices for flights from San Salvador to London on Cheapflights with our Price Alert feature and get notified when better prices are available.

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Cheap flights from San Salvador to London from £214

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 13/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from San Salvador El Salvador Intl to London are usually found in September or October, booked 87 days in advance, depart on a Tuesday or Saturday and return on a Wednesday

Cheap flight deals from San Salvador to London

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from San Salvador to London

Cheapest flights from San Salvador to LondonExplore the most affordable flight options available from San Salvador to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.

Explore the most affordable flight options available from San Salvador to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from San Salvador to London that are best for you.

Best time to book a flight from San Salvador to London

Have a flexible travel schedule? Discover the best time to fly to London from San Salvador with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from San Salvador to London

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

Use this chart to determine the optimal time to book a return flight from San Salvador to London. Price data was last updated on 27 June 2025.

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

What is the cheapest time of day to fly from SAL to LON?

Find hourly flight availability from San Salvador to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 July 2025.

How much does it cost for a return flight from San Salvador to London?

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated 11 July 2025.

Check out reviews from past customers who have flown with Delta, KLM, andUnited Airlines from San Salvador to London to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from San Salvador to London. 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 from for flights from San Salvador to London?

What are the cheapest airlines flying from San Salvador to London round-trip?

What are the cheapest airlines to fly from San Salvador to London one-way?

What are the most popular routes from San Salvador to London?

Can I find deals for flights from San Salvador to London that include hotel bookings?

How can I find direct flights from San Salvador to London?

Can I find deals for business class flights from San Salvador to London?

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

Travelling to a place near San Salvador?

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.

Alternative routes for San Salvador to London

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from San Salvador to London

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 San Salvador to London?

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

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

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

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Cheapest flights from San Salvador to London
Explore the most affordable flight options available from San Salvador to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.