What is the cheapest airline to fly 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 £562. JetBlue is 35% cheaper than the average price of flights available within the next 90 days to this destination.

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.

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).

What is the cheapest time of day to fly from LHR to STI?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London Heathrow Airport to Santiago de los Caballeros as you normally would.

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

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.

£415+ Cheap Flights from London Heathrow Airport to Santiago de los Caballeros

Cheap flight deals from Heathrow to Santiago de los Caballeros

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 14 September 2026.

Wed 28/1007:25 -

1 stop16h 51m

Wed 4/1112:04 -

1 stop29h 36m

Deal found 13/9£641

Thu 12/1107:25 -

1 stop18h 03m

Mon 16/1122:38 -

1 stop19h 02m

Deal found 13/9£674

Fri 9/1008:15 -

1 stop21h 44m

Fri 16/1006:05 -

1 stop19h 25m

Deal found 11/9£718

Wed 28/1011:45 -

2 stops30h 27m

Wed 4/1117:08 -

1 stop35h 07m

Deal found 13/9£747

Fri 16/1013:00 -

1 stop29h 18m

Thu 29/1015:12 -

1 stop16h 53m

Deal found 13/9£761

Sun 25/1014:30 -

1 stop27h 42m

Sun 8/1117:08 -

1 stop14h 57m

Deal found 12/9£763

Sat 12/1217:00 -

2 stops24h 25m

Wed 20/114:11 -

1 stop17h 19m

Deal found 10/9£767

Wed 28/1017:00 -

2 stops25h 12m

Wed 4/1117:08 -

2 stops21h 52m

Deal found 13/9£770

Fri 16/1013:00 -

1 stop29h 18m

Tue 27/1015:12 -

2 stops21h 23m

Deal found 13/9£771

Find flight deals from Heathrow to Santiago de los Caballeros

Round-trip from	£641
One-way from	£415
Popular in	December
Cheapest in	January
Average price	£849

JetBlue
28/10-4/11
2 total stops
46h 27m total
London to Santiago de los Caballeros

Search Deals

JetBlue
30/10-31/12
1 total stop
16h 11m total
London to Santiago de los Caballeros

Search Deals

Highest demand for flights based on searches. 6% potential increase in price (£42 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease (£41 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Cheapflights Fare Finder

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

Fastest return journey

LondonSantiago de los Caballeros

LHR London Heathrow - STI Santiago de los Caballeros

LHRSTI

London Heathrow

Sat 31/10

12:20-00:46

1 stop16h 26m

Santiago de los Caballeros

Wed 31/12

00:00-05:30

Nonstop0h 00m

£415

LondonSantiago de los Caballeros

LHR London Heathrow - STI Santiago de los Caballeros

LHRSTI

London Heathrow

Fri 30/10

15:15-21:00

2 stops33h 45m

Santiago de los Caballeros

Wed 31/12

00:00-05:30

Nonstop0h 00m

£420

LondonSantiago de los Caballeros

LHR London Heathrow - STI Santiago de los Caballeros

LHRSTI

London Heathrow

Thu 28/1

09:20-04:32

1 stop23h 12m

Santiago de los Caballeros

Wed 31/12

00:00-05:30

Nonstop0h 00m

£423

LondonSantiago de los Caballeros

LHR London Heathrow - STI Santiago de los Caballeros

LHRSTI

London Heathrow

Tue 27/10

09:20-00:51

1 stop19h 31m

Santiago de los Caballeros

Wed 31/12

00:00-05:30

Nonstop0h 00m

£440

LondonSantiago de los Caballeros

LHR London Heathrow - STI Santiago de los Caballeros

LHRSTI

London Heathrow

Sat 31/10

06:00-21:00

2 stops19h 00m

Santiago de los Caballeros

Wed 31/12

00:00-05:30

Nonstop0h 00m

£449

LondonSantiago de los Caballeros

LHR London Heathrow - STI Santiago de los Caballeros

LHRSTI

London Heathrow

Sat 17/10

06:50-20:05

2 stops18h 15m

Santiago de los Caballeros

Wed 31/12

00:00-05:30

Nonstop0h 00m

£518

LondonSantiago de los Caballeros

LHR London Heathrow - STI Santiago de los Caballeros

LHRSTI

London Heathrow

Thu 12/11

07:25-21:28

1 stop18h 03m

Santiago de los Caballeros

Mon 16/11

22:38-21:40

1 stop19h 02m

£674

LondonSantiago de los Caballeros

LHR London Heathrow - STI Santiago de los Caballeros

LHRSTI

London Heathrow

Thu 28/1

16:30-14:53

2 stops50h 23m

Santiago de los Caballeros

Wed 31/12

00:00-05:30

Nonstop0h 00m

£688

LondonSantiago de los Caballeros

LHR London Heathrow - STI Santiago de los Caballeros

LHRSTI

London Heathrow

Sun 18/10

18:00-12:57

1 stop23h 57m

Santiago de los Caballeros

Wed 31/12

00:00-05:30

Nonstop0h 00m

£696

LondonSantiago de los Caballeros

LHR London Heathrow - STI Santiago de los Caballeros

LHRSTI

London Heathrow

Sat 17/10

15:20-15:12

1 stop28h 52m

Santiago de los Caballeros

Wed 31/12

00:00-05:30

Nonstop0h 00m

£697

Flights are sorted by cheapest return flights first.

Deals found on 9/9

Showing 1-10 of 18 resultsSorted 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.

LHR-STI

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’s the top stopover airport for flights from London Heathrow Airport to Santiago de los Caballeros?

New York (JFK) – chosen by Cheapflights users on 73% of one-stop itineraries from London Heathrow Airport to Santiago de los Caballeros on Cheapflights.

What’s the cheapest stopover airport for flights from London Heathrow Airport to Santiago de los Caballeros?

New York (JFK) is the most affordable one-stop option, with an average return flight price of £712.

What’s the fastest stopover option from London Heathrow Airport to Santiago de los Caballeros?

Flights via Miami (MIA) have the shortest average one-way travel time for one-stop routes: 13h 58m.

Which airport typically offers the quickest stopover for flights from London Heathrow Airport to Santiago de los Caballeros?

Flights via Miami (MIA) offer the fastest connection on this route, with an average stopover time of 2h 04m.

Reviews of airlines servicing Santiago de los Caballeros

Read through reviews of airlines operating flights from London Heathrow Airport to Santiago de los Caballeros, such as JetBlue. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

JetBlue

7.1

Good

3,035 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Jason,Aug 2025

JFK - PBI

Horrible horrible they didn't delay flight time for refueling and pilot who timed out on tarmac. Horrible horrible operations

JetBlue

7.1

Good

3,035 reviews

JetBlue

7.1

Good

3,035 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Jason,Aug 2025

JFK - PBI

Horrible horrible they didn't delay flight time for refueling and pilot who timed out on tarmac. Horrible horrible operations

Related info for your journey

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 1 airline. 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 18h 03m. The time it takes to get you to your destination can typically vary by up to 5h 09m. 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 is the cheapest airline to fly 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 £562. JetBlue is 35% 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

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Top airline flying from Heathrow to Santiago de los Caballeros

Airline	Cheapest	Average	Flexibility	On-time
JetBlue	Cheapest£562	Average£894	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights

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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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Cheap flights from London Heathrow Airport to Santiago de los Caballeros from £415

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 30/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Heathrow to Santiago de los Caballeros

Cheapest flights from Heathrow to Santiago de los CaballerosExplore 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 14 September 2026.

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 14 September 2026.

Best flights from Heathrow to Santiago de los CaballerosDiscover carefully curated flight deals from Heathrow to Santiago de los Caballeros that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 14 September 2026.

Discover carefully curated flight deals from Heathrow to Santiago de los Caballeros that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 14 September 2026.

Last-minute flights from Heathrow to Santiago de los CaballerosDiscover last-minute flight deals from Heathrow to Santiago de los Caballeros. Data last updated 14 September 2026 and is based on user searches.

Discover last-minute flight deals from Heathrow to Santiago de los Caballeros. Data last updated 14 September 2026 and is based on user searches.

One-way flights from Heathrow to Santiago de los CaballerosSearch for one-way flight options from Heathrow to Santiago de los Caballeros. Find affordable one-way fares based on user searches. Data last updated 14 September 2026.

Search for one-way flight options from Heathrow to Santiago de los Caballeros. Find affordable one-way fares based on user searches. Data last updated 14 September 2026.

Find flight deals from Heathrow to Santiago de los Caballeros

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Cheapflights Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to Santiago de los Caballeros that are best for you.

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.

Cheapflights Insights

What’s the top stopover airport for flights from London Heathrow Airport to Santiago de los Caballeros?

New York (JFK) – chosen by Cheapflights users on 73% of one-stop itineraries from London Heathrow Airport to Santiago de los Caballeros on Cheapflights.

What’s the cheapest stopover airport for flights from London Heathrow Airport to Santiago de los Caballeros?

New York (JFK) is the most affordable one-stop option, with an average return flight price of £712.

What’s the fastest stopover option from London Heathrow Airport to Santiago de los Caballeros?

Flights via Miami (MIA) have the shortest average one-way travel time for one-stop routes: 13h 58m.

Which airport typically offers the quickest stopover for flights from London Heathrow Airport to Santiago de los Caballeros?

Flights via Miami (MIA) offer the fastest connection on this route, with an average stopover time of 2h 04m.

Reviews of airlines servicing Santiago de los Caballeros

Read through reviews of airlines operating flights from London Heathrow Airport to Santiago de los Caballeros, such as JetBlue. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What airport do you fly into for flights to Santiago de los Caballeros from London Heathrow?

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

What is the cheapest airline to fly from London Heathrow Airport to Santiago de los Caballeros round-trip?

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

How can I 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?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Heathrow to Santiago de los Caballeros

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Santiago de los Caballeros by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to Dominican Republic

Book a non-stop flight to one of these other cities located in Dominican Republic.

Search flights from Heathrow to Santiago de los Caballeros by cabin class

Find flights from Heathrow to Santiago de los Caballeros, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Heathrow and Santiago de los Caballeros flights

Browse other Heathrow and Santiago de los Caballeros flight options. Last updated on 14 September 2026.

Other flights from Heathrow

Browse through other flights departing from Heathrow. Flights are based on user searches made on Cheapflights and were last updated on 14 September 2026.

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Top airline flying from Heathrow to Santiago de los Caballeros

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Why should you use Cheapflights to find cheap flight tickets from Heathrow to Santiago de los Caballeros?

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

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

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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 14 September 2026.

Best flights from Heathrow to Santiago de los Caballeros
Discover carefully curated flight deals from Heathrow to Santiago de los Caballeros that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 14 September 2026.

Last-minute flights from Heathrow to Santiago de los Caballeros
Discover last-minute flight deals from Heathrow to Santiago de los Caballeros. Data last updated 14 September 2026 and is based on user searches.

One-way flights from Heathrow to Santiago de los Caballeros
Search for one-way flight options from Heathrow to Santiago de los Caballeros. Find affordable one-way fares based on user searches. Data last updated 14 September 2026.