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Cheap flights from London Heathrow Airport to Santiago de los Caballeros from £569

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 20/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — STI
17 Jul — 24 Jul1
1 adult

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 12 July 2025.

Round-trip from

£569

Popular in

December

Cheapest in

September

Average price

£858
JetBlue
  • JetBlue
  • 20/9-28/9
  • 2 total stops
  • 33h 23m total
  • London to Santiago de los Caballeros
Highest demand for flights based on searches. 10% potential increase in price (£71 potential increase over avg. return price).
Cheapest flight prices on average. 7% potential price decrease (£45 potential savings vs. average return price).
Average for round-trip flights in July 2025

Find flight deals from Heathrow to Santiago de los Caballeros

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 12 July 2025.

Sat 20/908:15LHR - STI
1 stop14h 48mJetBlue
Sun 28/909:55STI - LHR
1 stop18h 35mJetBlue
Deal found 12/7£569
Sat 20/916:35LHR - STI
2 stops24h 52mAmerican Airlines
Sun 28/913:29STI - LHR
1 stop14h 56mAmerican Airlines
Deal found 12/7£720
Tue 26/813:05LHR - STI
3 stops25h 10mMultiple Airlines
Tue 2/910:20STI - LHR
3 stops29h 00mMultiple Airlines
Deal found 11/7£754
Tue 26/809:40LHR - STI
2 stops20h 07mDelta
Tue 2/906:03STI - LHR
1 stop21h 47mDelta
Deal found 11/7£838

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 12 July 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

Sat 20/9

08:15-18:03

1 stop14h 48m

Santiago de los Caballeros

Sun 28/9

09:55-09:30

1 stop18h 35m

£569

LondonSantiago de los Caballeros

LHR - STI

LHRSTI

London Heathrow

Sat 20/9

16:35-12:27

2 stops24h 52m

Santiago de los Caballeros

Sun 28/9

13:29-09:25

1 stop14h 56m

£720

LondonSantiago de los Caballeros

LHR - STI

LHRSTI

London Heathrow

Tue 26/8

13:05-09:15

3 stops25h 10m

Santiago de los Caballeros

Tue 2/9

10:20-20:20

3 stops29h 00m

£754

LondonSantiago de los Caballeros

LHR - STI

LHRSTI

London Heathrow

Tue 26/8

09:40-00:47

2 stops20h 07m

Santiago de los Caballeros

Tue 2/9

06:03-08:50

1 stop21h 47m

£838

LondonSantiago de los Caballeros

LHR - STI

LHRSTI

London Heathrow

Fri 25/7

16:00-01:46

1 stop14h 46m

Santiago de los Caballeros

Sat 2/8

14:07-09:20

1 stop14h 13m

£1,268

Flights are sorted by cheapest return flights first.

Deals found on 12/7

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 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 12 July 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 53% 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 12 July 2025.
Read through reviews of airlines operating flights from London Heathrow Airport to Santiago de los Caballeros, such as Delta, United Airlines, andJetBlue. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
8.0
Very Good

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

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 3 airlines. Santiago de los Caballeros is conveniently located just 6.8 mi from Santiago de los Caballeros’s city center.

  • 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 £569. Other airlines that can offer you cheap pricing are American Airlines, from £720, and Delta, from £838. JetBlue is 33% 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Heathrow to Santiago de los Caballeros

Discover the top 3 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 12 July 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest£534Average£696FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
British AirwaysCheapest£727Average£918FlexibilityNo cancel feeOn-time70%
Search British Airways flights
American AirlinesCheapest£795Average£857FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Fly with Cheapflights

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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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