Find flights
When to book
Airlines
FAQs

Cheap flights from London Heathrow Airport to Santiago de los Caballeros from £820

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — STI
30 Mar — 6 Apr1
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 25 March 2025.

Round-trip from

£820

Popular in

December

Cheapest in

May

Average price

£735
American Airlines
  • American Airlines
  • 6/5-5/6
  • 2 total stops
  • 45h 10m total
  • London to Santiago de los Caballeros
Highest demand for flights based on searches. 10% potential increase in price (£77 potential increase over avg. return price).
Cheapest flight prices on average. 7% potential price decrease (£46 potential savings vs. average return price).
Average for round-trip flights in March 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 25 March 2025.

Tue 6/513:40LHR - STI
1 stop30h 20mAmerican Airlines
Thu 5/613:35STI - LHR
1 stop14h 50mAmerican Airlines
Deal found 24/3£820
Sat 12/416:00LHR - STI
1 stop14h 46mUnited Airlines
Sat 19/416:23STI - LHR
1 stop14h 02mUnited Airlines
Deal found 24/3£913
Sat 9/812:25LHR - STI
1 stop17h 47mDelta
Sat 30/806:10STI - LHR
1 stop23h 05mDelta
Deal found 24/3£1,147
Fri 25/708:15LHR - STI
1 stop14h 03mJetBlue
Fri 1/802:14STI - LHR
1 stop13h 31mJetBlue
Deal found 23/3£1,278

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 25 March 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

Tue 6/5

13:40-15:00

1 stop30h 20m

Santiago de los Caballeros

Thu 5/6

13:35-09:25

1 stop14h 50m

£820

LondonSantiago de los Caballeros

LHR - STI

LHRSTI

London Heathrow

Sat 12/4

16:00-01:46

1 stop14h 46m

Santiago de los Caballeros

Sat 19/4

16:23-11:25

1 stop14h 02m

£913

LondonSantiago de los Caballeros

LHR - STI

LHRSTI

London Heathrow

Sat 9/8

12:25-01:12

1 stop17h 47m

Santiago de los Caballeros

Sat 30/8

06:10-10:15

1 stop23h 05m

£1,147

LondonSantiago de los Caballeros

LHR - STI

LHRSTI

London Heathrow

Fri 25/7

08:15-17:18

1 stop14h 03m

Santiago de los Caballeros

Fri 1/8

02:14-20:45

1 stop13h 31m

£1,278

Flights are sorted by cheapest return flights first.

Deals found on 24/3

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 25 March 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.

Rainfall in Santiago de los Caballeros by month

Plan your trip to Santiago de los Caballeros by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Santiago de los Caballeros ranges from 77.0 - 294.0 inches per month. December is typically the wettest month, when rainfall can reach 294.0 mm. July is typically the driest time to visit Santiago de los Caballeros when rainfall is around 77.0 mm.

Temperature in Santiago de los Caballeros by month

Plan your trip to Santiago de los Caballeros by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Santiago de los Caballeros, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 C).

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 25 March 2025.

Overall

8.0

Crew

8.5

Comfort

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

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

Overall

8.0

Crew

8.5

Comfort

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

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

Overall

8.0

Crew

8.5

Comfort

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

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

Overall

8.0

Crew

8.5

Comfort

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

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

Overall

8.0

Crew

8.5

Comfort

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

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 2 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 £820. Other airlines that can offer you cheap pricing are United Airlines, from £913, and Delta, from £1,147. American Airlines is 5% 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

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 25 March 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest£573Average£629FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
DeltaCheapest£675Average£685FlexibilityNo cancel feeOn-timeN/A
Search Delta 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!

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.