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Cheap flights from London Heathrow Airport to Santiago de los Caballeros from £676

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 6/8. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — STI
10 Jul — 17 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Santiago de los Caballeros

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Santiago de los Caballeros
Explore the most affordable flight options available from Heathrow to Santiago de los Caballeros. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 June 2026.

Wed 8/708:15
LHR
-
STI
1 stop22h 19m
JetBlue
Tue 14/706:48
STI
-
LHR
1 stop21h 42m
JetBlue
Deal found 9/6£754
Tue 7/711:55
LHR
-
STI
1 stop16h 05m
JetBlue
Tue 14/718:39
STI
-
LHR
1 stop21h 06m
JetBlue
Deal found 9/6£783
Sat 8/808:40
LHR
-
STI
1 stop22h 08m
JetBlue
Mon 31/805:01
STI
-
LHR
1 stop20h 29m
JetBlue
Deal found 5/6£896
Fri 25/911:55
LHR
-
STI
1 stop18h 04m
JetBlue
Tue 29/912:15
STI
-
LHR
1 stop16h 15m
JetBlue
Deal found 5/6£899
Wed 22/708:15
LHR
-
STI
1 stop18h 54m
JetBlue
Wed 29/706:48
STI
-
LHR
1 stop21h 42m
JetBlue
Deal found 7/6£910
Thu 2/720:50
LHR
-
STI
2 stops27h 00m
Multiple Airlines
Wed 15/722:05
STI
-
LHR
2 stops17h 00m
Multiple Airlines
Deal found 10/6£911
Thu 2/711:55
LHR
-
STI
1 stop15h 10m
JetBlue
Wed 15/717:30
STI
-
LHR
1 stop22h 15m
JetBlue
Deal found 7/6£922
Tue 23/608:15
LHR
-
STI
1 stop16h 48m
JetBlue
Sat 4/707:40
STI
-
LHR
1 stop20h 50m
JetBlue
Deal found 5/6£950
Sat 4/708:15
LHR
-
STI
1 stop18h 50m
JetBlue
Wed 8/722:59
STI
-
LHR
1 stop16h 46m
JetBlue
Deal found 7/6£951

Find flight deals from Heathrow to Santiago de los Caballeros

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Santiago de los Caballeros (STI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 10 June 2026.

Round-trip from

£754

One-way from

£676

Popular in

December

Cheapest in

October

Average price

£834
JetBlue
  • JetBlue
  • 8/7-14/7
  • 2 total stops
  • 44h 01m total
  • London to Santiago de los Caballeros
Search Deals
6/8
  • 6/8
  • 2 total stops
  • 32h 50m total
  • London to Santiago de los Caballeros
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£66 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£34 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 Heathrow 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, Cheapflights users made 858,174 searches. Data last updated 10 June 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Santiago de los Caballeros that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSantiago de los Caballeros

LHR - STI

LHRSTI

London Heathrow

Sat 8/8

08:40-01:48

1 stop22h 08m

Santiago de los Caballeros

Mon 31/8

05:01-06:30

1 stop20h 29m

£896
Fastest return journey

LondonSantiago de los Caballeros

LHR - STI

LHRSTI

London Heathrow

Fri 25/9

11:55-00:59

1 stop18h 04m

Santiago de los Caballeros

Tue 29/9

12:15-09:30

1 stop16h 15m

£899

LondonSantiago de los Caballeros

LHR - STI

LHRSTI

London Heathrow

Thu 2/7

20:50-18:50

2 stops27h 00m

Santiago de los Caballeros

Wed 15/7

22:05-20:05

2 stops17h 00m

£911

LondonSantiago de los Caballeros

LHR - STI

LHRSTI

London Heathrow

Sat 4/7

08:15-22:05

1 stop18h 50m

Santiago de los Caballeros

Wed 8/7

22:59-20:45

1 stop16h 46m

£951

LondonSantiago de los Caballeros

LHR - STI

LHRSTI

London Heathrow

Wed 8/7

12:30-12:22

1 stop28h 52m

Santiago de los Caballeros

Tue 14/7

09:00-07:40

2 stops17h 40m

£959

LondonSantiago de los Caballeros

LHR - STI

LHRSTI

London Heathrow

Fri 3/7

09:15-21:28

2 stops17h 13m

Santiago de los Caballeros

Fri 10/7

07:00-06:25

2 stops18h 25m

£968

LondonSantiago de los Caballeros

LHR - STI

LHRSTI

London Heathrow

Fri 25/9

06:50-22:52

2 stops21h 02m

Santiago de los Caballeros

Tue 29/9

06:00-09:00

2 stops22h 00m

£980
Cheapest one-way
Fastest single journey

LondonSantiago de los Caballeros

LHR - STI

LHRSTI

London Heathrow

Thu 6/8

15:00-18:50

2 stops32h 50m

£676

LondonSantiago de los Caballeros

LHR - STI

LHRSTI

London Heathrow

Mon 5/10

08:40-15:12

2 stops35h 32m

£683

Flights are sorted by cheapest return flights first.

Deals found on 7/6

Sorted by cheapest first

Best time to book a flight from Heathrow to Santiago de los Caballeros

Have a flexible travel schedule? Discover the best time to fly to Santiago de los Caballeros from Heathrow 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 London Heathrow Airport to Santiago de los Caballeros

What is the cheapest month to book a flight from London Heathrow Airport to Santiago de los Caballeros?

Currently, October is the cheapest month in which you can book a flight from London Heathrow Airport to Santiago de los Caballeros (average of £588). Flying from London Heathrow Airport to Santiago de los Caballeros in December is currently the most expensive (average of £1,303). 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.

Reviews of airlines servicing Santiago de los Caballeros

Get insights into the airlines that provide service to Santiago de los Caballeros. 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 Santiago de los Caballeros. Reviews last updated 10 June 2026.
Read through reviews of airlines operating flights from London Heathrow Airport to Santiago de los Caballeros, such as American Airlines and JetBlue. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.1
Good
11,639 reviews
Check prices

Comfort

7.2

Food

6.4

Crew

7.9

Entertainment

6.9

Overall

7.1

Boarding

7.5

Reviews

1 / 20
8.0
Excellent

Cameron,Nov 2025

LHR - LIS

This trip was probably the worst one we have ever had on British Airways!!!
American Airlines
7.1
Good
11,639 reviews
American Airlines
7.1
Good
11,639 reviews
Check prices

Comfort

7.2

Food

6.4

Crew

7.9

Entertainment

6.9

Overall

7.1

Boarding

7.5

Reviews

1 / 20
8.0
Excellent

Cameron,Nov 2025

LHR - LIS

This trip was probably the worst one we have ever had on British Airways!!!
JetBlue
7.1
Good
2,980 reviews
American Airlines
7.1
Good
11,639 reviews
Check prices

Comfort

7.2

Food

6.4

Crew

7.9

Entertainment

6.9

Overall

7.1

Boarding

7.5

Reviews

1 / 20
8.0
Excellent

Cameron,Nov 2025

LHR - LIS

This trip was probably the worst one we have ever had on British Airways!!!

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Santiago de los Caballeros. 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 Santiago de los Caballeros from London Heathrow?

    Most people fly into Santiago de los Caballeros (STI) if they book a flight to Santiago de los Caballeros from London Heathrow. On average, Santiago has 0 inbound flights from London Heathrow per day from 2 airlines. Santiago de los Caballeros is conveniently located just 6.8 mi from Santiago de los Caballeros’s city center.

  • How long is the flight from London Heathrow Airport to Santiago de los Caballeros?

    Airlines like JetBlue and American Airlines fly from London Heathrow Airport to Santiago de los Caballeros in about 22h 08m. The time it takes to get you to your destination can typically vary by up to 6h 44m. London Heathrow Airport and Santiago de los Caballeros are separated by a distance of 4326 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines flying from London Heathrow Airport to Santiago de los Caballeros round-trip?

    Cheapflights users have booked flights from London Heathrow Airport to Santiago de los Caballeros round-trip from £561. Another airline that can offer you cheap pricing is American Airlines. JetBlue is 30% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from Heathrow to Santiago de los Caballeros that include hotel bookings?

    Yes. In addition to deals on Heathrow to Santiago de los Caballeros flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Santiago de los Caballeros?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Santiago de los Caballeros.

  • Can I find deals for business class flights from Heathrow to Santiago de los Caballeros?

    Yes. Cheapflights offers flight deals from Heathrow to Santiago de los Caballeros 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 London Heathrow Airport to Santiago de los Caballeros?

    Currently, October is the cheapest month in which you can book a flight from London Heathrow Airport to Santiago de los Caballeros (average of £588). Flying from London Heathrow Airport to Santiago de los Caballeros in December is currently the most expensive (average of £1,303). 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 2 airlines flying from Heathrow to Santiago de los Caballeros

Discover the top 2 airlines that operate flights from Heathrow to Santiago de los Caballeros. 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 10 June 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest£561Average£665FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
American AirlinesCheapest£721Average£826FlexibilityNo cancel feeOn-time71%
Search American Airlines 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 Heathrow to Santiago de los Caballeros?

Cheapflights helps you search for flights from Heathrow to Santiago de los Caballeros 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 Heathrow to Santiago de los Caballeros?

Cheapflights helps you find that perfect flight to Santiago de los Caballeros from Heathrow by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Heathrow to Santiago de los Caballeros with no change fees?

Yes, we can. To see specific flights from Heathrow to Santiago de los Caballeros with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Heathrow to Santiago de los Caballeros become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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