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Cheap flights from London Heathrow Airport to Santiago de los Caballeros from £444

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/11. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — STI
29 Aug — 5 Sep1
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
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 30 July 2026.

Tue 15/908:15
LHR
-
STI
1 stop17h 13m
JetBlue
Tue 29/915:16
STI
-
LHR
1 stop24h 29m
JetBlue
Deal found 30/7£595
Wed 7/1008:15
LHR
-
STI
1 stop31h 32m
JetBlue
Wed 14/1012:15
STI
-
LHR
1 stop27h 30m
JetBlue
Deal found 26/7£636
Wed 23/908:15
LHR
-
STI
1 stop17h 13m
JetBlue
Sun 27/921:40
STI
-
LHR
1 stop18h 05m
JetBlue
Deal found 29/7£667
Wed 9/908:15
LHR
-
STI
1 stop17h 13m
JetBlue
Wed 16/911:45
STI
-
LHR
1 stop28h 00m
JetBlue
Deal found 26/7£671
Sat 31/1009:20
LHR
-
STI
1 stop19h 31m
JetBlue
Fri 6/1106:01
STI
-
LHR
1 stop20h 54m
JetBlue
Deal found 29/7£687
Wed 9/908:15
LHR
-
STI
1 stop17h 13m
JetBlue
Wed 23/915:15
STI
-
LHR
1 stop13h 15m
JetBlue
Deal found 29/7£695
Sun 13/908:15
LHR
-
STI
1 stop30h 47m
JetBlue
Sun 20/921:55
STI
-
LHR
1 stop30h 35m
JetBlue
Deal found 30/7£711
Sat 3/1008:40
LHR
-
STI
1 stop22h 45m
JetBlue
Sat 24/1015:15
STI
-
LHR
1 stop25h 30m
JetBlue
Deal found 30/7£717

Find 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 30 July 2026.

Round-trip from

£595

One-way from

£444

Popular in

December

Cheapest in

October

Average price

£902
JetBlue
  • JetBlue
  • 15/9-29/9
  • 2 total stops
  • 41h 42m total
  • London to Santiago de los Caballeros
Search Deals
4/11
  • 4/11
  • 2 total stops
  • 18h 10m total
  • London to Santiago de los Caballeros
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£93 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease (£47 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
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 30 July 2026.
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 - STI

LHRSTI

London Heathrow

Wed 7/10

08:15-10:47

1 stop31h 32m

Santiago de los Caballeros

Wed 14/10

12:15-20:45

1 stop27h 30m

£636

LondonSantiago de los Caballeros

LHR - STI

LHRSTI

London Heathrow

Wed 23/9

08:15-20:28

1 stop17h 13m

Santiago de los Caballeros

Sun 27/9

21:40-20:45

1 stop18h 05m

£667
Fastest return journey

LondonSantiago de los Caballeros

LHR - STI

LHRSTI

London Heathrow

Wed 9/9

08:15-20:28

1 stop17h 13m

Santiago de los Caballeros

Wed 23/9

15:15-09:30

1 stop13h 15m

£695

LondonSantiago de los Caballeros

LHR - STI

LHRSTI

London Heathrow

Wed 9/9

08:15-20:28

1 stop17h 13m

Santiago de los Caballeros

Wed 16/9

11:45-09:30

1 stop16h 45m

£697

LondonSantiago de los Caballeros

LHR - STI

LHRSTI

London Heathrow

Thu 10/9

12:15-14:15

1 stop31h 00m

Santiago de los Caballeros

Thu 17/9

15:15-09:00

1 stop12h 45m

£758

LondonSantiago de los Caballeros

LHR - STI

LHRSTI

London Heathrow

Sun 13/9

08:15-20:28

1 stop17h 13m

Santiago de los Caballeros

Sun 20/9

21:55-20:45

1 stop17h 50m

£762

LondonSantiago de los Caballeros

LHR - STI

LHRSTI

London Heathrow

Wed 9/9

20:10-14:15

2 stops23h 05m

Santiago de los Caballeros

Wed 16/9

15:15-16:20

2 stops20h 05m

£768

LondonSantiago de los Caballeros

LHR - STI

LHRSTI

London Heathrow

Sun 13/9

20:10-14:15

2 stops23h 05m

Santiago de los Caballeros

Sun 20/9

15:15-17:15

2 stops21h 00m

£769
Cheapest one-way

LondonSantiago de los Caballeros

LHR - STI

LHRSTI

London Heathrow

Wed 4/11

06:50-21:00

2 stops18h 10m

£444
Fastest single journey

LondonSantiago de los Caballeros

LHR - STI

LHRSTI

London Heathrow

Sat 22/8

09:15-20:05

1 stop15h 50m

£484

Flights are sorted by cheapest return flights first.

Deals found on 26/7

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

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

How much does it cost for a return flight from London Heathrow Airport to Santiago de los Caballeros?

Airfare is below average for this route at the moment.

London Heathrow Airport to Santiago de los Caballeros flights typically cost between £824 and £859 in September.
The cheapest return price found within the last 5 days was £595 on JetBlue (15 Sept–29 Sept).

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 30 July 2026.
Read through reviews of airlines operating flights from London Heathrow Airport to Santiago de los Caballeros, such as Delta,American Airlines, andJetBlue. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.8
Good
8,487 reviews
Check prices

Comfort

7.8

Overall

7.8

Food

7.2

Boarding

8.1

Crew

8.5

Entertainment

7.8

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
Delta
7.8
Good
8,487 reviews
Delta
7.8
Good
8,487 reviews
Check prices

Comfort

7.8

Overall

7.8

Food

7.2

Boarding

8.1

Crew

8.5

Entertainment

7.8

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
American Airlines
7.1
Good
11,842 reviews
Delta
7.8
Good
8,487 reviews
Check prices

Comfort

7.8

Overall

7.8

Food

7.2

Boarding

8.1

Crew

8.5

Entertainment

7.8

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
JetBlue
7.1
Good
3,028 reviews
Delta
7.8
Good
8,487 reviews
Check prices

Comfort

7.8

Overall

7.8

Food

7.2

Boarding

8.1

Crew

8.5

Entertainment

7.8

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.

  • 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 17h 13m. 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 £560. Other airlines that can offer you cheap pricing are American Airlines, from £719, and Delta, from £837. 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.

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 30 July 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest£560Average£622FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
American AirlinesCheapest£719Average£824FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest£837Average£860FlexibilityNo 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!

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