Cheap flights from St. Louis (STL) to Santiago de los Caballeros (STI) from $301

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/4. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
STL — STI
mar. 2 — mar. 91

Cheap flight deals from St. Louis to Santiago de los Caballeros

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) 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 febrero 26, 2024.

Popular in

November

Cheapest in

April

Round-trip from

$337
High demand for flights, 38% potential price rise
Best time to find cheap flights, 75% potential price drop
From 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 104% 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 April tends to be the cheapest month to fly to Santiago de los Caballeros from St. Louis. Users have commonly found prices around $769 for the month, but tickets can be as low as $193. Due to multiple factors, prepare for potentially higher prices in November.

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 at noon could potentially save you up to 41% on airfare.

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

Explore cheap flight options specifically provided by Spirit Airlines for the route between St. Louis and Santiago de los Caballeros. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,409,476 searches. Data last updated febrero 26, 2024.
Take a look at some of the lowest-priced Spirit Airlines flights heading from St. Louis to Santiago de los Caballeros. Be sure to come back soon if the deals available don't appeal to you at this time.
jue. 4/46:29 pmSTL - STI
1 stop6h 30mSpirit Airlines
sáb. 4/132:59 amSTI - STL
1 stop15h 35mSpirit Airlines
Deal found 2/25$301
vie. 3/2210:57 amSTL - STI
2 stops14h 02mSpirit Airlines
mié. 3/272:59 amSTI - STL
1 stop15h 40mSpirit Airlines
Deal found 2/24$321
jue. 4/46:29 pmSTL - STI
1 stop6h 30mSpirit Airlines
sáb. 4/132:59 amSTI - STL
2 stops16h 19mSpirit Airlines
Deal found 2/25$323
vie. 3/2210:57 amSTL - STI
2 stops14h 02mSpirit Airlines
mié. 3/272:59 amSTI - STL
2 stops16h 51mSpirit Airlines
Deal found 2/24$349
jue. 4/47:48 pmSTL - STI
2 stops29h 11mSpirit Airlines
sáb. 4/132:59 amSTI - STL
2 stops16h 19mSpirit Airlines
Deal found 2/25$357
vie. 3/2210:57 amSTL - STI
3 stops14h 02mSpirit Airlines
mié. 3/272:59 amSTI - STL
2 stops16h 51mSpirit Airlines
Deal found 2/24$448
vie. 3/2210:57 amSTL - STI
3 stops14h 02mSpirit Airlines
mié. 3/272:59 amSTI - STL
3 stops32h 08mSpirit Airlines
Deal found 2/24$502

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

Explore cheap flight options specifically provided by United Airlines for the route between St. Louis and Santiago de los Caballeros. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,409,476 searches. Data last updated febrero 26, 2024.
Some of the best deals we've found on United Airlines flights traveling from St. Louis to Santiago de los Caballeros. Deals are refreshing constantly so come back soon for more options.
jue. 4/45:34 pmSTL - STI
1 stop7h 12mUnited Airlines
dom. 4/142:51 pmSTI - STL
1 stop8h 24mUnited Airlines
Deal found 2/25$585
vie. 3/225:05 pmSTL - STI
1 stop7h 39mUnited Airlines
jue. 3/2812:12 pmSTI - STL
1 stop10h 44mUnited Airlines
Deal found 2/24$793
dom. 3/105:30 pmSTL - STI
2 stops19h 23mUnited Airlines
dom. 3/175:00 amSTI - STL
2 stops11h 24mUnited Airlines
Deal found 2/25$943

Cheap St. Louis to Santiago de los Caballeros flights in February & March 2024

Find cheap flight options from St. Louis to Santiago de los Caballeros specifically for the months of February and March 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,409,476 searches. Prices were last updated on febrero 26, 2024.
Scroll through some of the best deals on flights from St. Louis to Santiago de los Caballeros in 2024. Check back soon for alternative fares.
vie. 3/2210:57 amSTL - STI
2 stops14h 02mSpirit Airlines
mié. 3/272:59 amSTI - STL
1 stop15h 40mSpirit Airlines
Deal found 2/24$321
vie. 3/2210:57 amSTL - STI
2 stops14h 02mSpirit Airlines
mié. 3/272:59 amSTI - STL
2 stops16h 51mSpirit Airlines
Deal found 2/24$349
vie. 3/2210:57 amSTL - STI
3 stops14h 02mSpirit Airlines
mié. 3/272:59 amSTI - STL
2 stops16h 51mSpirit Airlines
Deal found 2/24$448
vie. 3/2210:57 amSTL - STI
3 stops14h 02mSpirit Airlines
mié. 3/272:59 amSTI - STL
3 stops32h 08mSpirit Airlines
Deal found 2/24$502
dom. 3/106:03 pmSTL - STI
1 stop20h 05mAmerican Airlines
dom. 3/174:08 pmSTI - STL
2 stops24h 26mAmerican Airlines
Deal found 2/25$766
vie. 3/229:17 amSTL - STI
2 stops26h 34mAmerican Airlines
jue. 3/281:51 pmSTI - STL
2 stops22h 22mAmerican Airlines
Deal found 2/24$779
vie. 3/225:35 amSTL - STI
1 stop8h 33mAmerican Airlines
jue. 3/281:51 pmSTI - STL
2 stops22h 22mAmerican Airlines
Deal found 2/24$781
dom. 3/106:03 pmSTL - STI
1 stop17h 48mAmerican Airlines
dom. 3/174:08 pmSTI - STL
1 stop26h 05mAmerican Airlines
Deal found 2/25$786
vie. 3/225:05 pmSTL - STI
1 stop7h 39mUnited Airlines
jue. 3/2812:12 pmSTI - STL
1 stop10h 44mUnited Airlines
Deal found 2/24$793

St. Louis to Santiago de los Caballeros 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and Santiago de los Caballeros in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,409,476 searches. Data last updated febrero 26, 2024.
Scroll through some of the best deals on flights from St. Louis to Santiago de los Caballeros in 2024. Check back soon for alternative fares.
jue. 4/46:29 pmSTL - STI
1 stop6h 30mSpirit Airlines
sáb. 4/132:59 amSTI - STL
1 stop15h 35mSpirit Airlines
Deal found 2/25$301
vie. 3/2210:57 amSTL - STI
2 stops14h 02mSpirit Airlines
mié. 3/272:59 amSTI - STL
1 stop15h 40mSpirit Airlines
Deal found 2/24$321
jue. 4/46:29 pmSTL - STI
1 stop6h 30mSpirit Airlines
sáb. 4/132:59 amSTI - STL
2 stops16h 19mSpirit Airlines
Deal found 2/25$323
vie. 3/2210:57 amSTL - STI
2 stops14h 02mSpirit Airlines
mié. 3/272:59 amSTI - STL
2 stops16h 51mSpirit Airlines
Deal found 2/24$349
jue. 4/47:48 pmSTL - STI
2 stops29h 11mSpirit Airlines
sáb. 4/132:59 amSTI - STL
2 stops16h 19mSpirit Airlines
Deal found 2/25$357
vie. 3/2210:57 amSTL - STI
3 stops14h 02mSpirit Airlines
mié. 3/272:59 amSTI - STL
2 stops16h 51mSpirit Airlines
Deal found 2/24$448
sáb. 4/201:11 pmSTL - STI
2 stops22h 39mAmerican Airlines
mié. 4/244:35 pmSTI - STL
2 stops20h 55mAmerican Airlines
Deal found 2/24$499
sáb. 4/206:37 pmSTL - STI
2 stops17h 13mAmerican Airlines
mié. 4/244:35 pmSTI - STL
2 stops20h 55mAmerican Airlines
Deal found 2/25$500
vie. 3/2210:57 amSTL - STI
3 stops14h 02mSpirit Airlines
mié. 3/272:59 amSTI - STL
3 stops32h 08mSpirit Airlines
Deal found 2/24$502

Find flights from St. Louis to Santiago de los Caballeros within your budget

Customize your flight search to find flights from St. Louis 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 3,409,476 searches. Data last updated febrero 26, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$301 - $585

Route

Depart

Return

Price

Lambert-St LouisSantiago de los Caballeros

STL - STI

STLSTI

Lambert-St Louis

jue. 4/4

1 stop6h 30m

Santiago de los Caballeros

sáb. 4/13

1 stop15h 35m

$301

Lambert-St LouisSantiago de los Caballeros

STL - STI

STLSTI

Lambert-St Louis

vie. 3/22

2 stops14h 02m

Santiago de los Caballeros

mié. 3/27

1 stop15h 40m

$321

Lambert-St LouisSantiago de los Caballeros

STL - STI

STLSTI

Lambert-St Louis

jue. 4/4

1 stop6h 30m

Santiago de los Caballeros

sáb. 4/13

2 stops16h 19m

$323

Lambert-St LouisSantiago de los Caballeros

STL - STI

STLSTI

Lambert-St Louis

vie. 3/22

2 stops14h 02m

Santiago de los Caballeros

mié. 3/27

2 stops16h 51m

$349

Lambert-St LouisSantiago de los Caballeros

STL - STI

STLSTI

Lambert-St Louis

jue. 4/4

2 stops29h 11m

Santiago de los Caballeros

sáb. 4/13

2 stops16h 19m

$357

Lambert-St LouisSantiago de los Caballeros

STL - STI

STLSTI

Lambert-St Louis

vie. 3/22

3 stops14h 02m

Santiago de los Caballeros

mié. 3/27

2 stops16h 51m

$448

Lambert-St LouisSantiago de los Caballeros

STL - STI

STLSTI

Lambert-St Louis

sáb. 4/20

2 stops22h 39m

Santiago de los Caballeros

mié. 4/24

2 stops20h 55m

$499

Lambert-St LouisSantiago de los Caballeros

STL - STI

STLSTI

Lambert-St Louis

sáb. 4/20

2 stops17h 13m

Santiago de los Caballeros

mié. 4/24

2 stops20h 55m

$500

Lambert-St LouisSantiago de los Caballeros

STL - STI

STLSTI

Lambert-St Louis

jue. 4/4

1 stop7h 12m

Santiago de los Caballeros

dom. 4/14

1 stop8h 24m

$585

Flights are sorted by cheapest first

Deals found on 2/25

When is the cheapest time to fly from St. Louis to Santiago de los Caballeros?

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Santiago de los Caballeros. Price data was last updated on February 25, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their St. Louis to Santiago de los Caballeros flight should consider departing on Monday mornings when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Santiago de los Caballeros by month

Plan your trip from St. Louis to Santiago de los Caballeros by taking into account the cheapest months to travel. The average price of a one-way flight from St. Louis to Santiago de los Caballeros is currently $0 while a round-trip flight costs $409. Price data was last updated on February 18, 2024.

Currently, September is the cheapest month in which you can book a flight from St. Louis to Santiago de los Caballeros (average of $337). Flying from St. Louis to Santiago de los Caballeros in July is currently the most expensive (average of $572). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

January

$343

February

$352

March

$405

April

$382

May

$369

June

$418

July

$572

August

$457

September

$337

October

$347

November

$392

December

$412

Temperature and rainfall in Santiago de los Caballeros by month

Plan your trip to Santiago de los Caballeros by taking into account the average temperature and rainfall totals by month.

STI

Temperature

73.4 - 80.6 °F

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 febrero 26, 2024.
Read through reviews of airlines operating flights from St. Louis to Santiago de los Caballeros, such as Spirit Airlines, United Airlines and American Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
7.4
Good
11,829 reviews

Boarding

7.7

Overall

7.4

Crew

8.1

Comfort

7.2

Entertainment

7.1

Food

6.7

Reviews

1 / 10

A lot of delays to get to Edmonton as well. I am sure they couldn't be helped, but the passengers were left wondering what was happening for a while.

7.4
Good
11,829 reviews
7.4
Good
11,829 reviews

Boarding

7.7

Overall

7.4

Crew

8.1

Comfort

7.2

Entertainment

7.1

Food

6.7

Reviews

1 / 10

A lot of delays to get to Edmonton as well. I am sure they couldn't be helped, but the passengers were left wondering what was happening for a while.

7.3
Good
15,591 reviews
7.4
Good
11,829 reviews

Boarding

7.7

Overall

7.4

Crew

8.1

Comfort

7.2

Entertainment

7.1

Food

6.7

Reviews

1 / 10

A lot of delays to get to Edmonton as well. I am sure they couldn't be helped, but the passengers were left wondering what was happening for a while.

6.5
Okay
8,931 reviews
7.4
Good
11,829 reviews

Boarding

7.7

Overall

7.4

Crew

8.1

Comfort

7.2

Entertainment

7.1

Food

6.7

Reviews

1 / 10

A lot of delays to get to Edmonton as well. I am sure they couldn't be helped, but the passengers were left wondering what was happening for a while.

Related info for your journey

Find useful and relevant information for your journey from St. Louis 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.

Can I find flights from St. Louis to Santiago de los Caballeros for under $400 on Cheapflights?

Yes, there are multiple flights from St. Louis to Santiago de los Caballeros for under $400. The cheapest flight booked recently is on Spirit Airlines for just $301, but on average you can expect to pay $581.

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

According to our current data, Spirit Airlines ($301), American Airlines ($499), and United Airlines ($585) offers the cheapest pricing from St. Louis to Santiago de los Caballeros. Spirit Airlines is currently priced 60% below the average price you’ll pay for this route.

What does STL to STI mean?

STL and STI are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. STL to STI refers to a flight route from Lambert-St Louis Airport to Santiago de los Caballeros Airport.

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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

Discover the top 2 airlines that operate flights from St. Louis 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 3,409,476 searches. Data last updated febrero 26, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$193Average$849FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
American AirlinesCheapest$483Average$838FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Search flights from St. Louis to Santiago de los Caballeros by cabin class

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

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from St. Louis to Santiago de los Caballeros?

Deals for St. Louis to Santiago de los Caballeros flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from St. Louis to Santiago de los Caballeros.

Can Cheapflights find flights from St. Louis to Santiago de los Caballeros with no change fees?

Need flexible booking options for your flight to Santiago de los Caballeros from St. Louis? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Not ready to book yet? You can track prices for flights from St. Louis to Santiago de los Caballeros on Cheapflights with our Price Alert feature and get notified when better prices are available.

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