What are the cheapest airlines flying from St. Louis to Willemstad round-trip?

Our cheapest airline available from St. Louis to Willemstad is American Airlines. Our recent data shows that you can find tickets from as low as $663 on this airline. Additional options worth looking into are United Airlines and Lufthansa, starting at $717 and $744 round-trip. Users have found that American Airlines is 12% cheaper than the other options available to this destination.

What is the cheapest day to fly from St. Louis to Willemstad?

Travelers seeking maximum savings on their St. Louis to Willemstad flight should consider departing on Tuesday 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.

In terms of precipitation, rainfall in Willemstad ranges from 0.4 - 3.5 inches per month. November is typically the wettest month, when rainfall can reach 3.5 in. March is typically the driest time to visit Willemstad when rainfall is around 0.4 in.

If weather is an important factor for your trip to Willemstad, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 78.8 F).

What is the cheapest day to fly round-trip from St. Louis to Willemstad?

Users have found that flying from St. Louis to Willemstad on a Friday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

How far in advance should I book a flight from St. Louis to Willemstad?

To save up to 68% on this flight, we recommend booking at least 33 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from St. Louis to Willemstad from $895 1-2 weeks out and tickets from $1,116 for flights departing within the next 72 hours.

What is the cheapest month to fly from St. Louis to Willemstad?

Our data shows that April tends to be the cheapest month to fly to Willemstad from St. Louis. Users have commonly found prices around $761 for the month, but tickets can be as low as $552. Due to multiple factors, prepare for potentially higher prices in June.

What is the cheapest time of day to fly from STL to CUR?

One of the essential ways to save on airfare from St. Louis to Willemstad is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 7% on airfare.

Can I find deals for flights from St. Louis to Willemstad that include hotel bookings?

Yes. In addition to deals on St. Louis to Willemstad flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from St. Louis to Willemstad?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Willemstad.

Can I find deals for business class flights from St. Louis to Willemstad?

Yes. Cheapflights offers flight deals from St. Louis to Willemstad by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$379+ Flights from St. Louis to Willemstad

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1. Tell us where you want to go

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2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

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Cheapflights Tip: The best prices from Lambert-St Louis to Willemstad Hato Int. are usually found in April or January, booked 66 days in advance, depart on a Tuesday or Friday and return on a Monday

Cheap flight deals from St. Louis to Willemstad

Round-trip from	$663 (American Airlines)
One-way from	$379 (Kiwi.com)
Popular in	June
Cheapest in	April
Average price	$946

From Lambert-St Louis to Willemstad Hato Int.

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One-way flight from Lambert-St Louis to Willemstad Hato Int.

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Highest demand for flights based on searches. 15% potential increase in price ($141 potential increase over avg. RT price).

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Cheapest flight prices on average. 4% potential price decrease ($30 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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Find flight deals from St. Louis to Willemstad

Cheapest flights from St. Louis to Willemstad
Explore the most affordable flight options available from St. Louis to Willemstad. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

Sun 11/24:05 pmSTL - CUR

1 stop21h 45mAir Canada

Fri 11/74:10 pmCUR - STL

2 stops25h 19mAir Canada

Deal found 7/29

$512

Sun 11/25:21 amSTL - CUR

1 stop7h 04mAmerican Airlines

Fri 11/73:26 pmCUR - STL

1 stop9h 06mAmerican Airlines

Deal found 7/29

$608

Fri 9/53:20 pmSTL - CUR

2 stops21h 25mUnited Airlines

Sat 9/132:50 pmCUR - STL

2 stops25h 54mUnited Airlines

Deal found 7/29

$717

Fri 9/55:30 pmSTL - CUR

2 stops19h 15mLufthansa

Sat 9/132:50 pmCUR - STL

1 stop9h 54mLufthansa

Deal found 7/27

$744

Fri 9/55:28 amSTL - CUR

1 stop8h 56mBritish Airways

Sat 9/134:25 pmCUR - STL

1 stop8h 34mBritish Airways

Deal found 7/27

$961

Thu 9/1112:05 pmSTL - CUR

2 stops26h 30mMultiple Airlines

Thu 9/1811:05 amCUR - STL

3 stops25h 22mMultiple Airlines

Deal found 7/28

$1,053

Best flights from St. Louis to Willemstad
Discover carefully curated flight deals from St. Louis to Willemstad that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 29, 2025.

Sat 9/205:25 pmSTL - CUR

2 stops19h 23mAmerican Airlines

Thu 9/252:57 pmCUR - STL

2 stops19h 19mAmerican Airlines

Deal found 7/28

$663

Fri 9/53:20 pmSTL - CUR

2 stops21h 25mUnited Airlines

Sat 9/132:50 pmCUR - STL

2 stops25h 54mUnited Airlines

Deal found 7/29

$717

Fri 9/55:30 pmSTL - CUR

2 stops19h 15mLufthansa

Sat 9/132:50 pmCUR - STL

1 stop9h 54mLufthansa

Deal found 7/27

$744

Fri 9/55:28 amSTL - CUR

1 stop8h 56mBritish Airways

Sat 9/134:25 pmCUR - STL

1 stop8h 34mBritish Airways

Deal found 7/27

$961

Thu 9/1112:05 pmSTL - CUR

2 stops26h 30mMultiple Airlines

Thu 9/1811:05 amCUR - STL

3 stops25h 22mMultiple Airlines

Deal found 7/28

$1,053

Last-minute flights from St. Louis to Willemstad
Discover last-minute flight deals from St. Louis to Willemstad. Data last updated July 29, 2025 and is based on user searches.

Wed 7/306:15 amSTL - CUR

2 stops29h 02mUnited Airlines

Wed 8/61:23 pmCUR - STL

2 stops21h 05mUnited Airlines

Deal found 7/29

$4,045

Sun 8/35:00 amSTL - CUR

1 stop7h 46mAmerican Airlines

Thu 8/144:35 pmCUR - STL

1 stop8h 24mAmerican Airlines

Deal found 7/27

$928

Sun 8/2410:37 amSTL - CUR

3 stops28h 58mMultiple Airlines

Sun 8/3111:05 amCUR - STL

3 stops29h 16mMultiple Airlines

Deal found 7/27

$1,356

One-way flights from St. Louis to Willemstad
Search for one-way flight options from St. Louis to Willemstad. Find affordable one-way fares based on user searches. Data last updated July 29, 2025.

Sun 8/35:26 pmSTL - CUR

3 stops39h 29mMultiple Airlines

Deal found 7/27

$379

Mon 8/44:28 pmSTL - CUR

2 stops20h 18mAmerican Airlines

Deal found 7/27

$457

Cheapflights Fare Finder

Use the filters below to find and compare flights from St. Louis to Willemstad that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisWillemstad

STL - CUR

STLCUR

Lambert-St Louis

Sat 9/20

5:25 pm-1:48 pm

2 stops19h 23m

Willemstad Hato Int.

Thu 9/25

2:57 pm-9:16 am

2 stops19h 19m

$663

St. LouisWillemstad

STL - CUR

STLCUR

Lambert-St Louis

Fri 9/5

3:20 pm-1:45 pm

2 stops21h 25m

Willemstad Hato Int.

Sat 9/13

2:50 pm-3:44 pm

2 stops25h 54m

$717

St. LouisWillemstad

STL - CUR

STLCUR

Lambert-St Louis

Fri 9/5

5:30 pm-1:45 pm

2 stops19h 15m

Willemstad Hato Int.

Sat 9/13

2:50 pm-11:44 pm

1 stop9h 54m

$744

St. LouisWillemstad

STL - CUR

STLCUR

Lambert-St Louis

Fri 9/5

5:28 am-3:24 pm

1 stop8h 56m

Willemstad Hato Int.

Sat 9/13

4:25 pm-11:59 pm

1 stop8h 34m

$961

St. LouisWillemstad

STL - CUR

STLCUR

Lambert-St Louis

Thu 9/11

12:05 pm-3:35 pm

2 stops26h 30m

Willemstad Hato Int.

Thu 9/18

11:05 am-11:27 am

3 stops25h 22m

$1,053

St. LouisWillemstad

STL - CUR

STLCUR

Lambert-St Louis

Sun 8/3

5:26 pm-9:55 am

3 stops39h 29m

$379

St. LouisWillemstad

STL - CUR

STLCUR

Lambert-St Louis

Mon 8/4

4:28 pm-1:46 pm

2 stops20h 18m

$457

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Best time to book a flight from St. Louis to Willemstad

Have a flexible travel schedule? Discover the best time to fly to Willemstad from St. Louis with our price prediction graph.

Estimated round-trip 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 St. Louis to Willemstad

How far ahead should I book a flight from St. Louis to Willemstad?

To ensure you get the cheapest price possible for a flight from St. Louis to Willemstad, you should look to book at least 66 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from St. Louis to Willemstad?

Currently, January is the cheapest month in which you can book a flight from St. Louis to Willemstad (average of $531). Flying from St. Louis to Willemstad in July is currently the most expensive (average of $725). 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.

Reviews of airlines servicing Willemstad

See what other customers who have flown with United Airlines, American Airlines, and Lufthansa from St. Louis to Willemstad have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

8,896 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

United Airlines

7.4

Good

8,896 reviews

United Airlines

7.4

Good

8,896 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

American Airlines

7.2

Good

10,000 reviews

United Airlines

7.4

Good

8,896 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Lufthansa

6.8

Okay

7,265 reviews

United Airlines

7.4

Good

8,896 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

British Airways

6.6

Okay

7,208 reviews

United Airlines

7.4

Good

8,896 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

What are the cheapest airlines flying from St. Louis to Willemstad round-trip?
Our cheapest airline available from St. Louis to Willemstad is American Airlines. Our recent data shows that you can find tickets from as low as $663 on this airline. Additional options worth looking into are United Airlines and Lufthansa, starting at $717 and $744 round-trip. Users have found that American Airlines is 12% cheaper than the other options available to this destination.
Can I find deals for flights from St. Louis to Willemstad that include hotel bookings?
Yes. In addition to deals on St. Louis to Willemstad flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from St. Louis to Willemstad?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Willemstad.
Can I find deals for business class flights from St. Louis to Willemstad?
Yes. Cheapflights offers flight deals from St. Louis to Willemstad by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from St. Louis to Willemstad?
Currently, January is the cheapest month in which you can book a flight from St. Louis to Willemstad (average of $531). Flying from St. Louis to Willemstad in July is currently the most expensive (average of $725). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for St. Louis to Willemstad

Kansas City to Willemstad flights

Other flights to Willemstad

Top 2 airlines flying from St. Louis to Willemstad

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$554	Average$706	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$577	Average$790	FlexibilityNo cancel fee	On-timeN/A

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$379+ Cheap flights from St. Louis (STL) to Willemstad (CUR)

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 8/3. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from St. Louis to Willemstad with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Lambert-St Louis to Willemstad Hato Int. are usually found in April or January, booked 66 days in advance, depart on a Tuesday or Friday and return on a Monday

Cheap flight deals from St. Louis to Willemstad

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from St. Louis to Willemstad

Cheapest flights from St. Louis to WillemstadExplore the most affordable flight options available from St. Louis to Willemstad. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

Explore the most affordable flight options available from St. Louis to Willemstad. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from St. Louis to Willemstad that are best for you.

Best time to book a flight from St. Louis to Willemstad

Have a flexible travel schedule? Discover the best time to fly to Willemstad from St. Louis with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Willemstad

How far ahead should I book a flight from St. Louis to Willemstad?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Willemstad. Price data was last updated on July 25, 2025.

What is the cheapest month to book a flight from St. Louis to Willemstad?

Reviews of airlines servicing Willemstad

See what other customers who have flown with United Airlines, American Airlines, and Lufthansa from St. Louis to Willemstad have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Willemstad. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines flying from St. Louis to Willemstad round-trip?

Can I find deals for flights from St. Louis to Willemstad that include hotel bookings?

How can I find direct flights from St. Louis to Willemstad?

Can I find deals for business class flights from St. Louis to Willemstad?

What is the cheapest month to book a flight from St. Louis to Willemstad?

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.

Alternative routes for St. Louis to Willemstad

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

Top 2 airlines flying from St. Louis to Willemstad

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Cheapest flights from St. Louis to Willemstad
Explore the most affordable flight options available from St. Louis to Willemstad. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.