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Cheap flights from London to Santiago de los Caballeros from £508

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to Santiago de los Caballeros departing on 15/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from London to Santiago de los Caballeros

Cheap return flights

Enter your travel dates to find the best prices.
JetBlue Logo
07:25 - 21:58LHR-STI
18h 33m1 stop
JetBlue Logo
12:35 - 09:30STI-LHR
16h 55m1 stop
£651JetBlue
Find Deal
Thu, 12 Mar - Mon, 16 Mar
JetBlue Logo
07:25 - 19:39LHR-STI
16h 14m1 stop
JetBlue Logo
01:15 - 20:45STI-LHR
15h 30m1 stop
£652JetBlue
Find Deal
Thu, 12 Mar - Sun, 15 Mar
American Airlines Logo
09:45 - 20:03LHR-STI
14h 18m1 stop
American Airlines Logo
15:30 - 11:15STI-LHR
15h 45m2 stops
£723American Airlines
Find Deal
Thu, 12 Mar - Mon, 16 Mar
American Airlines Logo
09:45 - 20:03LHR-STI
14h 18m1 stop
American Airlines Logo
15:30 - 11:15STI-LHR
15h 45m2 stops
£724American Airlines
Find Deal
Thu, 12 Mar - Mon, 16 Mar
United Airlines Logo
07:40 - 22:51LHR-STI
19h 11m2 stops
United Airlines Logo
11:52 - 10:50STI-LHR
18h 58m2 stops
£806United Airlines
Find Deal
Thu, 12 Mar - Mon, 16 Mar
British Airways Logo
11:15 - 15:32LHR-STI
32h 17m1 stop
British Airways Logo
16:33 - 12:20STI-LHR
15h 47m1 stop
£824British Airways
Find Deal
Mon, 15 Dec - Wed, 14 Jan
United Airlines Logo
07:55 - 23:51LHR-STI
19h 56m2 stops
United Airlines Logo
16:00 - 11:05STI-LHR
15h 05m1 stop
£859United Airlines
Find Deal
Mon, 24 Nov - Mon, 1 Dec
Delta Logo
08:55 - 19:17LHR-STI
14h 22m1 stop
Delta Logo
06:39 - 09:05STI-LHR
22h 26m2 stops
£891Delta
Find Deal
Sat, 27 Dec - Sat, 17 Jan
Delta Logo
08:55 - 00:34LHR-STI
19h 39m1 stop
Delta Logo
06:39 - 06:50STI-LHR
20h 11m2 stops
£893Delta
Find Deal
Sat, 27 Dec - Sat, 17 Jan
British Airways Logo
11:15 - 21:04LHR-STI
13h 49m1 stop
British Airways Logo
08:00 - 12:05STI-LHR
24h 05m1 stop
£1,594British Airways
Find Deal
Sat, 20 Dec - Sat, 14 Feb

Delta flights from London to Santiago de los Caballeros

Our best Delta deals on London to Santiago de los Caballeros flight tickets
Delta
27 Dec
LHR08:55London Heathrow
14h 22m
1 stop
STI19:17Santiago de los Caballeros
17 Jan
STI06:39Santiago de los Caballeros
22h 26m
2 stops
LHR09:05London Heathrow
£891
Find similar
Delta
27 Dec
LHR08:55London Heathrow
19h 39m
1 stop
STI00:34Santiago de los Caballeros
17 Jan
STI06:39Santiago de los Caballeros
20h 11m
2 stops
LHR06:50London Heathrow
£893
Find similar
Delta
15 Dec
LHR06:30London Heathrow
22h 38m
2 stops
STI01:08Santiago de los Caballeros
14 Jan
STI06:39Santiago de los Caballeros
20h 11m
2 stops
LHR06:50London Heathrow
£1,113
Find similar

JetBlue flights from London to Santiago de los Caballeros

Our best JetBlue deals on London to Santiago de los Caballeros flight tickets
JetBlue
12 Mar
LHR07:25London Heathrow
18h 33m
1 stop
STI21:58Santiago de los Caballeros
16 Mar
STI12:35Santiago de los Caballeros
16h 55m
1 stop
LHR09:30London Heathrow
£651
Find similar
JetBlue
12 Mar
LHR07:25London Heathrow
16h 14m
1 stop
STI19:39Santiago de los Caballeros
15 Mar
STI01:15Santiago de los Caballeros
15h 30m
1 stop
LHR20:45London Heathrow
£652
Find similar
JetBlue
12 Mar
LHR12:20London Heathrow
18h 06m
1 stop
STI02:26Santiago de los Caballeros
15 Mar
STI01:15Santiago de los Caballeros
15h 30m
1 stop
LHR20:45London Heathrow
£653
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from London to Santiago de los Caballeros 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, momondo users made 279,928 searches. Data last updated 29 October 2025.
Use the filters below to find and compare flights from London to Santiago de los Caballeros that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonSantiago de los Caballeros

LHR - STI

LHRSTI

London Heathrow

Thu 12/3

07:25-21:58

1 stop18h 33m

Santiago de los Caballeros

Mon 16/3

12:35-09:30

1 stop16h 55m

£651

LondonSantiago de los Caballeros

LHR - STI

LHRSTI

London Heathrow

Thu 12/3

07:25-19:39

1 stop16h 14m

Santiago de los Caballeros

Sun 15/3

01:15-20:45

1 stop15h 30m

£652

LondonSantiago de los Caballeros

LHR - STI

LHRSTI

London Heathrow

Thu 12/3

09:45-20:03

1 stop14h 18m

Santiago de los Caballeros

Mon 16/3

15:30-11:15

2 stops15h 45m

£723

LondonSantiago de los Caballeros

LHR - STI

LHRSTI

London Heathrow

Thu 12/3

09:45-20:03

1 stop14h 18m

Santiago de los Caballeros

Mon 16/3

15:30-11:15

2 stops15h 45m

£724

LondonSantiago de los Caballeros

LHR - STI

LHRSTI

London Heathrow

Thu 12/3

07:40-22:51

2 stops19h 11m

Santiago de los Caballeros

Mon 16/3

11:52-10:50

2 stops18h 58m

£806

LondonSantiago de los Caballeros

LHR - STI

LHRSTI

London Heathrow

Mon 15/12

11:15-15:32

1 stop32h 17m

Santiago de los Caballeros

Wed 14/1

16:33-12:20

1 stop15h 47m

£824

LondonSantiago de los Caballeros

LHR - STI

LHRSTI

London Heathrow

Mon 24/11

07:55-23:51

2 stops19h 56m

Santiago de los Caballeros

Mon 1/12

16:00-11:05

1 stop15h 05m

£859

LondonSantiago de los Caballeros

LHR - STI

LHRSTI

London Heathrow

Sat 27/12

08:55-19:17

1 stop14h 22m

Santiago de los Caballeros

Sat 17/1

06:39-09:05

2 stops22h 26m

£891

LondonSantiago de los Caballeros

LHR - STI

LHRSTI

London Heathrow

Sat 27/12

08:55-00:34

1 stop19h 39m

Santiago de los Caballeros

Sat 17/1

06:39-06:50

2 stops20h 11m

£893

LondonSantiago de los Caballeros

LHR - STI

LHRSTI

London Heathrow

Sat 20/12

11:15-21:04

1 stop13h 49m

Santiago de los Caballeros

Sat 14/2

08:00-12:05

1 stop24h 05m

£1,594

Flights are sorted by cheapest return flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
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See travel insights to Santiago de los Caballeros from

How to get the cheapest flight ticket from London to Santiago de los Caballeros

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Santiago de los Caballeros?

In general, February is the cheapest month to fly from London to Santiago de los Caballeros. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £639. If you don’t want to visit Santiago de los Caballeros in February, then you should wait until September to fly from London, when ticket prices are also cheap, with an average price of £682.

What is the cheapest day to depart on your flight to Santiago de los Caballeros?

On average, the least expensive day to fly to Santiago de los Caballeros from London is on a Thursday. momondo users have found tickets for Thursday departures for as low as £680. However, this price may fluctuate depending on the airline, the season, and holidays. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around £935. These prices are subject to change though, so be sure to set up a Price Alert for flights to Santiago de los Caballeros.

What is the cheapest time of day to depart on your flight to Santiago de los Caballeros?

Our data shows that the cheapest London to Santiago de los Caballeros flights are usually those with departure times in the morning. Our users have found flights to Santiago de los Caballeros in the morning for as low as £677. Flights to Santiago de los Caballeros are more costly in the afternoon, with an average ticket price of £1,116. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from London to Santiago de los Caballeros

Are you open to changing your travel dates? Check out the ideal times to fly from London to Santiago de los Caballeros according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London to Santiago de los Caballeros (LON to STI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London to Santiago de los Caballeros

Direct flights

None
There are no direct flights from London to Santiago de los Caballeros. There are no popular flight routes from London to Santiago de los Caballeros.
Search flight deals

  • How far is London to Santiago de los Caballeros by plane?

    The straight-line distance from London to Santiago de los Caballeros is 4341.5 mi. 13h 05m is a normal flight duration for this route.

  • When did momondo last update prices for flights from London to Santiago de los Caballeros Airport?

    Prices for flights from London to Santiago de los Caballeros Airport are updated daily.

  • How many operators does momondo search for flights from London to Santiago de los Caballeros Airport?

  • How old do you have to be to fly from London to Santiago de los Caballeros Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London to Santiago de los Caballeros Airport.

  • What documentation or ID do you need to fly to Santiago de los Caballeros Airport?

    The necessary travel and health documents for your Santiago de los Caballeros Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from London to Santiago de los Caballeros?

Best airlines flying from London to Santiago de los Caballeros

Compare and see reviews for airlines that fly from London to Santiago de los Caballeros with momondo
Airline
Rating
Free Cancellation
Price
JetBluePriceFrom £556Free CancellationRating
7.2
2,907 reviews
Search JetBlue flights
American AirlinesPriceFrom £799Free CancellationRating
7.2
11,032 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from London to Santiago de los Caballeros?

It is quick and easy to find London to Santiago de los Caballeros flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Santiago de los Caballeros that suits you.

Can I find flights from London to Santiago de los Caballeros with flexible booking policies on momondo?

Flights from London to Santiago de los Caballeros with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from London to Santiago de los Caballeros?

momondo provides multiple filters to help you find the best flight to Santiago de los Caballeros from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from London to Santiago de los Caballeros right now. Can momondo alert me if prices change?

Price alerts on flights to Santiago de los Caballeros from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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