Cheap flights from St. Louis (STL) to Santiago de los Caballeros (STI)

STL — STI
Sep 27 — Oct 41

How to find the cheapest flight from St. Louis (STL) to Santiago de los Caballeros (STI)

All the information you need to plan the best STL to STI flight in 2022: compare St. Louis to Santiago de los Caballeros flight prices with the expected peak season, weather and rainfall in Santiago de los Caballeros.

STL - STI

Price

$316 - $939

STI

Temperature

73.4 - 80.6 °F

STI

Rainfall

3 - 11.6 inches

Popular inAprilHigh demand for flights, 38% potential price rise
Cheapest inNovemberBest time to find cheap flights, 46% potential price drop
Average price$404Average for round-trip flights in September 2022
Round-trip from$316From Lambert-St Louis to Santiago de los Caballeros

What is the cheapest day to fly round-trip from St. Louis to Santiago de los Caballeros?

Departing on a Sunday is a good option for securing a great price. You can expect to save up to 112% when planning your travel around this day of the week.

What is the cheapest month to fly from St. Louis to Santiago de los Caballeros?

Our data shows that November tends to be the cheapest month to fly to Santiago de los Caballeros from St. Louis. Users have commonly found prices around $583 for the month, but tickets can be as low as $298. Due to multiple factors, prepare for potentially higher prices in April.

When is the cheapest time to fly from St. Louis to Santiago de los Caballeros (STL - STI)?

One of the essential ways to save on airfare from St. Louis to Santiago de los Caballeros is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 71% on airfare.

Cheap flights from St. Louis to Santiago de los Caballeros in September, October 2022

The best prices found for STL to STI flights for September, October
Oct 24 - Oct 31
STL

Lambert-St Louis

STI

Santiago de los Caballeros

2 stops

12h 18m
STI

Santiago de los Caballeros

STL

Lambert-St Louis

2 stops

9h 46m
$504

Spirit Airlines

Pick Dates

Deal found 9/20/22

Oct 24 - Oct 31
STL

Lambert-St Louis

STI

Santiago de los Caballeros

3 stops

27h 23m
STI

Santiago de los Caballeros

STL

Lambert-St Louis

2 stops

33h 46m
$536

Spirit Airlines

Pick Dates

Deal found 9/20/22

Oct 24 - Oct 31
STL

Lambert-St Louis

STI

Santiago de los Caballeros

2 stops

12h 18m
STI

Santiago de los Caballeros

STL

Lambert-St Louis

3 stops

42h 33m
$543

Spirit Airlines

Pick Dates

Deal found 9/21/22

St. Louis to Santiago de los Caballeros 2022 flight deals

Cheap flights to Santiago de los Caballeros from St. Louis found for this year
Oct 24 - Oct 31
STL

Lambert-St Louis

STI

Santiago de los Caballeros

2 stops

12h 18m
STI

Santiago de los Caballeros

STL

Lambert-St Louis

2 stops

9h 46m
$504

Spirit Airlines

Pick Dates

Deal found 9/20/22

Oct 24 - Oct 31
STL

Lambert-St Louis

STI

Santiago de los Caballeros

3 stops

27h 23m
STI

Santiago de los Caballeros

STL

Lambert-St Louis

2 stops

33h 46m
$536

Spirit Airlines

Pick Dates

Deal found 9/20/22

Oct 24 - Oct 31
STL

Lambert-St Louis

STI

Santiago de los Caballeros

2 stops

12h 18m
STI

Santiago de los Caballeros

STL

Lambert-St Louis

3 stops

42h 33m
$543

Spirit Airlines

Pick Dates

Deal found 9/21/22

Cheap Spirit Airlines flights from St. Louis to Santiago de los Caballeros

Oct 24 - Oct 31
STL

Lambert-St Louis

STI

Santiago de los Caballeros

2 stops

12h 18m
STI

Santiago de los Caballeros

STL

Lambert-St Louis

2 stops

9h 46m
$504

Spirit Airlines

Pick Dates

Deal found 9/20/22

Oct 17 - Oct 23
STL

Lambert-St Louis

STI

Santiago de los Caballeros

2 stops

12h 18m
STI

Santiago de los Caballeros

STL

Lambert-St Louis

2 stops

33h 46m
$526

Spirit Airlines

Pick Dates

Deal found 9/19/22

Oct 24 - Oct 31
STL

Lambert-St Louis

STI

Santiago de los Caballeros

3 stops

27h 23m
STI

Santiago de los Caballeros

STL

Lambert-St Louis

2 stops

33h 46m
$536

Spirit Airlines

Pick Dates

Deal found 9/20/22

Cheap American Airlines flights from St. Louis to Santiago de los Caballeros

Oct 24 - Nov 1
STL

Lambert-St Louis

STI

Santiago de los Caballeros

1 stop

8h 06m
STI

Santiago de los Caballeros

STL

Lambert-St Louis

1 stop

8h 27m
$754

American Airlines

Pick Dates

Deal found 9/21/22

Oct 17 - Oct 24
STL

Lambert-St Louis

STI

Santiago de los Caballeros

1 stop

8h 06m
STI

Santiago de los Caballeros

STL

Lambert-St Louis

1 stop

17h 15m
$773

American Airlines

Pick Dates

Deal found 9/19/22

Oct 5 - Oct 13
STL

Lambert-St Louis

STI

Santiago de los Caballeros

1 stop

8h 11m
STI

Santiago de los Caballeros

STL

Lambert-St Louis

1 stop

9h 27m
$998

American Airlines

Pick Dates

Deal found 9/20/22

Related info for your journey

Useful info, stats and facts about St. Louis to Santiago de los Caballeros flights.

Which airlines flying from Lambert-St Louis to Santiago de los Caballeros have flexible cancellations due to COVID-19?

Some of our airline partners flying from Lambert-St Louis to Santiago de los Caballeros have new flexible policies in place due to COVID-19. American Airlines, Spirit Airlines, and United Airlines are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like American Airlines with this kind of flexibility.

Can I find flights from St. Louis to Santiago de los Caballeros for under $600 on Cheapflights?

Yes, there are multiple flights from St. Louis to Santiago de los Caballeros for under $600. The cheapest flight booked recently is on Spirit Airlines for just $504, but on average you can expect to pay $611.

What are the cheapest airlines flying from St. Louis to Santiago de los Caballeros round-trip?

According to our current data, Spirit Airlines ($504), and American Airlines ($754) offers the cheapest pricing from St. Louis to Santiago de los Caballeros. Spirit Airlines is currently priced 13% below the average price you’ll pay for this route.

What are the most popular airlines that fly from St. Louis to Santiago de los Caballeros?

Consider American Airlines, Spirit Airlines or United Airlines when booking your flight. These represent the most popular airlines when flying from St. Louis to Santiago de los Caballeros.

What are the cheapest flights from St. Louis to Santiago de los Caballeros?

Looking at all options, your cheapest flight can be booked for $177. While the most popular route (Lambert-St Louis - Santiago de los Caballeros) can be booked for $643 on average our data indicates $430 when flying from St. Louis to Santiago de los Caballeros.

Alternative routes for St. Louis to Santiago de los Caballeros

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

Top 2 airlines flying from St. Louis to Santiago de los Caballeros

The chart below displays the airlines Cheapflights users traveling from St. Louis to Santiago de los Caballeros choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
Spirit AirlinesCheapest$136Average$479FlexibilityNo cancel feeOn-time65%COVID-19 safety
Search Spirit Airlines flights
American AirlinesCheapest$410Average$703FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights