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Cheap flights from London Heathrow Airport to Santiago de los Caballeros from £637

LHR — STI
3 Dec — 10 Dec1
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

Sat 14/1110:35 -
1 stop32h 41m
Sat 28/1117:08 -
1 stop14h 57m
Deal found 30/10£782
Sat 12/1217:00 -
2 stops24h 24m
Wed 20/114:12 -
1 stop15h 03m
Deal found 30/10£784
Tue 1/1214:30 -
1 stop29h 31m
Thu 24/1217:08 -
1 stop14h 22m
Deal found 1/11£823

Find flight deals from Heathrow to Santiago de los Caballeros

Round-trip from

£782

One-way from

£653

Popular in

July

Cheapest in

January

Average price

£891
American Airlines
  • American Airlines
  • 14/11-28/11
  • 2 total stops
  • 47h 38m total
  • London to Santiago de los Caballeros
Search Deals
20/11-31/12
  • 20/11-31/12
  • 1 total stop
  • 30h 15m total
  • London to Santiago de los Caballeros
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£85 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£18 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 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

LondonSantiago de los Caballeros

LHR London Heathrow - STI Santiago de los Caballeros

LHRSTI

London Heathrow

Fri 20/11

17:50-21:00

2 stops31h 10m

Santiago de los Caballeros

Wed 31/12

00:00-05:30

Nonstop0h 00m

£637

LondonSantiago de los Caballeros

LHR London Heathrow - STI Santiago de los Caballeros

LHRSTI

London Heathrow

Mon 9/11

10:30-23:51

2 stops41h 21m

Santiago de los Caballeros

Wed 31/12

00:00-05:30

Nonstop0h 00m

£687
Fastest return journey

LondonSantiago de los Caballeros

LHR London Heathrow - STI Santiago de los Caballeros

LHRSTI

London Heathrow

Fri 20/11

10:25-11:49

2 stops29h 24m

Santiago de los Caballeros

Wed 31/12

00:00-05:30

Nonstop0h 00m

£692

LondonSantiago de los Caballeros

LHR London Heathrow - STI Santiago de los Caballeros

LHRSTI

London Heathrow

Sat 12/12

17:00-13:24

2 stops24h 24m

Santiago de los Caballeros

Wed 20/1

14:12-11:30

1 stop17h 18m

£844

LondonSantiago de los Caballeros

LHR London Heathrow - STI Santiago de los Caballeros

LHRSTI

London Heathrow

Sat 21/11

12:20-00:19

1 stop15h 59m

Santiago de los Caballeros

Sat 28/11

22:45-20:55

1 stop18h 10m

£880

LondonSantiago de los Caballeros

LHR London Heathrow - STI Santiago de los Caballeros

LHRSTI

London Heathrow

Sat 12/12

08:05-22:44

1 stop18h 39m

Santiago de los Caballeros

Tue 19/1

03:45-21:40

1 stop13h 55m

£951

LondonSantiago de los Caballeros

LHR London Heathrow - STI Santiago de los Caballeros

LHRSTI

London Heathrow

Sat 7/11

11:35-18:33

1 stop34h 58m

Santiago de los Caballeros

Sat 21/11

21:25-10:30

1 stop33h 05m

£964

LondonSantiago de los Caballeros

LHR London Heathrow - STI Santiago de los Caballeros

LHRSTI

London Heathrow

Thu 12/11

16:20-23:51

2 stops35h 31m

Santiago de los Caballeros

Mon 16/11

12:55-10:50

2 stops17h 55m

£991

LondonSantiago de los Caballeros

LHR London Heathrow - STI Santiago de los Caballeros

LHRSTI

London Heathrow

Sat 12/12

19:10-13:24

2 stops22h 14m

Santiago de los Caballeros

Fri 8/1

14:12-11:15

2 stops17h 03m

£1,017

Flights are sorted by cheapest return flights first.

Deals found on 3/11

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

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 50% 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 £739.

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
3,065 reviews
Check prices

Crew

7.9

Entertainment

7.2

Comfort

7.4

Overall

7.1

Boarding

7.3

Food

6.6

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
3,065 reviews
JetBlue
7.1
Good
3,065 reviews
Check prices

Crew

7.9

Entertainment

7.2

Comfort

7.4

Overall

7.1

Boarding

7.3

Food

6.6

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 American Airlines, JetBlue, and Delta fly from London Heathrow Airport to Santiago de los Caballeros in about 15h 59m. The time it takes to get you to your destination can typically vary by up to 18h 59m. 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 £565. JetBlue is 36% 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

Top airline flying from Heathrow to Santiago de los Caballeros

AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest£565Average£1,014FlexibilityNo cancel feeOn-time62%
Search JetBlue flights

Fly with Cheapflights

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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