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Cheap flights from London Heathrow Airport to Santiago de los Caballeros from £593

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — STI
7 Dec — 14 Dec1
1 adult
1 adult, Economy, 0 bags

Find 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 7 November 2025.

Thu 20/1114:45LHR - STI
2 stops28h 47mBritish Airways
Sat 6/1216:32STI - LHR
1 stop15h 33mBritish Airways
Deal found 7/11£732
Thu 20/1108:20LHR - STI
2 stops18h 36mAmerican Airlines
Sat 6/1206:00STI - LHR
2 stops20h 20mAmerican Airlines
Deal found 7/11£747
Thu 20/1112:15LHR - STI
3 stops28h 07mMultiple Airlines
Fri 5/1203:43STI - LHR
3 stops27h 07mMultiple Airlines
Deal found 7/11£872
Sat 27/1211:15LHR - STI
1 stop13h 49mAmerican Airlines
Sat 17/116:33STI - LHR
1 stop15h 47mAmerican Airlines
Deal found 6/11£890
Mon 15/1208:05LHR - STI
1 stop16h 29mJetBlue
Wed 21/104:10STI - LHR
1 stop13h 30mJetBlue
Deal found 6/11£926
Tue 16/1207:25LHR - STI
1 stop17h 09mJetBlue
Wed 21/104:10STI - LHR
1 stop13h 30mJetBlue
Deal found 6/11£940
Mon 15/1208:05LHR - STI
1 stop19h 22mJetBlue
Mon 19/104:10STI - LHR
1 stop13h 30mJetBlue
Deal found 6/11£952
Tue 16/1207:25LHR - STI
1 stop17h 09mJetBlue
Mon 19/104:10STI - LHR
1 stop13h 30mJetBlue
Deal found 6/11£963

Cheap 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 7 November 2025.

Round-trip from

£593

Popular in

December

Cheapest in

September

Average price

£731
JetBlue
  • JetBlue
  • 12/3-15/3
  • 2 total stops
  • 33h 36m total
  • London to Santiago de los Caballeros
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£95 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (£44 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
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 7 November 2025.
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

Heathrow

Fly to

Santiago de los Caballeros

Route

Depart

Return

Price

LondonSantiago de los Caballeros

LHR - STI

LHRSTI

London Heathrow

Thu 12/3

12:20-02:26

1 stop18h 06m

Santiago de los Caballeros

Mon 16/3

12:35-09:30

1 stop16h 55m

£593

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

£722

LondonSantiago de los Caballeros

LHR - STI

LHRSTI

London Heathrow

Thu 20/11

11:15-22:56

1 stop15h 41m

Santiago de los Caballeros

Sat 6/12

06:00-12:05

1 stop26h 05m

£733

LondonSantiago de los Caballeros

LHR - STI

LHRSTI

London Heathrow

Thu 20/11

08:20-22:56

2 stops18h 36m

Santiago de los Caballeros

Sat 6/12

06:00-06:20

2 stops20h 20m

£747

LondonSantiago de los Caballeros

LHR - STI

LHRSTI

London Heathrow

Thu 20/11

12:15-12:22

3 stops28h 07m

Santiago de los Caballeros

Fri 5/12

03:43-10:50

3 stops27h 07m

£872

LondonSantiago de los Caballeros

LHR - STI

LHRSTI

London Heathrow

Sat 20/12

20:35-02:42

3 stops34h 07m

£914

LondonSantiago de los Caballeros

LHR - STI

LHRSTI

London Heathrow

Sat 20/12

09:20-04:50

1 stop23h 30m

£1,130

LondonSantiago de los Caballeros

LHR - STI

LHRSTI

London Heathrow

Sat 20/12

16:20-14:53

2 stops26h 33m

£2,098

Flights are sorted by cheapest return flights first.

Deals found on 6/11

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, March is the cheapest month in which you can book a flight from London Heathrow Airport to Santiago de los Caballeros (average of £522). Flying from London Heathrow Airport to Santiago de los Caballeros in July is currently the most expensive (average of £735). 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 LHR to STI?

Find hourly flight availability from Heathrow to Santiago de los Caballeros. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 7 November 2025.

One of the essential ways to save on airfare from London Heathrow Airport to Santiago de los Caballeros is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the morning could potentially save you up to 52% on airfare.

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 7 November 2025.
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
7.2
Good
11,040 reviews
Check prices

Comfort

7.2

Overall

7.2

Crew

8.0

Entertainment

6.9

Food

6.4

Boarding

7.5

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sept 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac
American Airlines
7.2
Good
11,040 reviews
American Airlines
7.2
Good
11,040 reviews
Check prices

Comfort

7.2

Overall

7.2

Crew

8.0

Entertainment

6.9

Food

6.4

Boarding

7.5

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sept 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac
JetBlue
7.2
Good
2,907 reviews
American Airlines
7.2
Good
11,040 reviews
Check prices

Comfort

7.2

Overall

7.2

Crew

8.0

Entertainment

6.9

Food

6.4

Boarding

7.5

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sept 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac

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 fly from London Heathrow Airport to Santiago de los Caballeros in about 18h 06m. The time it takes to get you to your destination can typically vary by up to . London Heathrow Airport and Santiago de los Caballeros are separated by a distance of 4326 mi.

  • 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 £566. Another airline that can offer you cheap pricing is American Airlines. JetBlue is 31% 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, March is the cheapest month in which you can book a flight from London Heathrow Airport to Santiago de los Caballeros (average of £522). Flying from London Heathrow Airport to Santiago de los Caballeros in July is currently the most expensive (average of £735). 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 7 November 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest£566Average£677FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
American AirlinesCheapest£812Average£876FlexibilityNo 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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