Cheap Flights from St Louis to Santiago

Compare St Louis to Santiago flight deals

Find the cheapest month or even day of the year to fly to Santiago

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Flight deals from St Louis to Santiago

Looking for a cheap last-minute deal or the best return flight from St Louis to Santiago? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from St Louis to Santiago

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like St Louis to Santiago flights are currently cheapest in March.

St Louis to Santiago: Alternative routes

Compare routes from St Louis to Santiago below. You may find an airport to fly into that's cheaper, faster, or easier than Santiago.

St Louis to Santiago: Flight information

The things to know before you go.
Cheapest flight foundRs75,218
Cheapest month to flyMarch

Finding cheap flights from St Louis to Santiago: Frequently asked questions

The best price we found for a return flight from St Louis to Santiago is Rs151,811. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from St Louis to Santiago. But we found flights with one or more stops from Rs151,811.
As of February 2026, there are no flights flying from St Louis to Santiago.
The cheapest month to fly from St Louis to Santiago is usually May.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from St Louis Airport to Santiago Airport on Wednesday, 27 May 2026.
No airlines currently offer direct flights between St Louis Airport and Santiago Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Santiago but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Santiago is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Delta offers the cheapest flight tickets to Santiago.

Travelling from Lambert-St. Louis International Airport (STL) to Cibao International Airport (STI): what you need to know

  • Santiago is one hour ahead of St Louis and follows the UTC-4 timezone.

  • Your STL to STI flight won't wait if you're running late, so be at the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're flying internationally.

  • Flying during a peak time such as July? School holidays and other popular periods can result in longer lines at check-in and security. Play it safe and arrive up to four hours before an international flight and two hours before a domestic departure.

  • If you want to explore another city along the way, just uncheck 'Direct flights only' when searching for your ticket from Lambert-St. Louis International Airport to Cibao International Airport. Here are the most popular stopovers between STL and STI:

    • Fort Lauderdale-Hollywood International Airport

    • Miami International Airport

    • Newark Liberty International Airport

How to find the cheapest flights from Lambert-St. Louis International Airport (STL) to Cibao International Airport (STI)

  • Rs75,218 is the lowest price for a one-way Lambert-St. Louis International Airport to Cibao International Airport flight. A return flight starts from Rs151,811. These prices can change depending on availability.

  • Don't leave things to the last minute. You're more likely to find cheap tickets from STL to STI if you book ahead. Airlines often have some excellent early bird rates.

  • If you can be flexible with your trip dates, use the 'Whole month' search tool. It'll give you the cheapest price across each month when looking for your flight from Lambert-St. Louis International Airport to Cibao International Airport.

  • Landing cheap flights from STL to STI is a breeze with Price Alerts. All you need to do is set up one of these automatic alerts and we'll notify you as soon as a new deal comes up.

  • Tailor your flights with filters. Pick your arrival and departure times, total journey duration and airlines. You can also sort your results by 'Cheapest,' 'Fastest' or 'Best' flights from Lambert-St. Louis International Airport to Cibao International Airport.

Handy information about Lambert-St. Louis International Airport (STL)

Arriving at Cibao International Airport (STI)

  • If you're arriving on a late Lambert-St. Louis International Airport to Cibao International Airport flight, few things top the convenience of being near the terminal. Grab your suitcases from the carousel and then be resting shortly after at one of these accommodation options near STI:

  • Hit the road running by picking up a Cibao International Airport rental car. Grab your wheels from America, Zezgo Rent a Car or Alamo and explore beyond Santiago's main sights.

  • Lock in the best deal by booking your ride from Cibao International Airport around one week in advance of your trip.

Getting from Cibao International Airport (STI) to central Santiago

  • From Cibao International Airport, Santiago is approximately 19 kilometres away. It takes around 30 minutes to reach the centre by car.

  • It typically takes 1 hour 10 minutes if you're travelling by public transport.

When to fly to Cibao International Airport (STI)

  • August is the most popular month for flights from Lambert-St. Louis International Airport to Cibao International Airport. To skip the crowds, travel to Santiago in May.

  • The warmest month in Santiago is August, with the temperature ranging between 21ºC and 33ºC. Book your flights from Lambert-St. Louis International Airport to Cibao International Airport in this month if you like this kind of weather.

  • January sees average temperatures of between 16ºC and 29ºC. Look for cheap tickets from STL to STI around that time if you like cooler conditions.

Explore more of Dominican Republic

  • You've done Santiago, now it's time to explore other corners of Dominican Republic. Journey about 137 kilometres south-east to Santo Domingo to tick off its top attractions. From Alcazar de Colon to National Pantheon (Pantheon Nacional) and National Palace, there's plenty to keep you busy.

  • Around 145 kilometres south-east of Santiago, Santo Domingo Este is another essential stop in Dominican Republic. No visit is complete without checking out Museo Las Tres Aves, billeteros Park and Abuela Mota Final Resting Place.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.