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 $648 on this airline. Additional options worth looking into are Delta and United Airlines, starting at $821 and $1,250 round-trip. Users have found that American Airlines is 7% 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.

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 50% on this flight, we recommend booking at least 9 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 $507 1-2 weeks out and tickets from $802 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 $701 for the month, but tickets can be as low as $505. Due to multiple factors, prepare for potentially higher prices in December.

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.

Most accurate provider : When it comes to deals on St. Louis-Willemstad flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on St. Louis-Willemstad flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from St. Louis-Willemstad flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on St. Louis-Willemstad flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Willemstad flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

$475+ Flights from St. Louis to Willemstad

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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

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.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Lambert-St Louis to Willemstad Hato Int. are usually found in April or May, booked 9 days in advance, depart on a Tuesday or Friday and return on a Tuesday

Cheap flight deals from St. Louis to Willemstad

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$648 (American Airlines)
Popular in	December
Cheapest in	April
Average price	$580

Provider with most accurate pricing for Lambert-St Louis-Willemstad Hato Int. flight deals.

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Provider most trusted by Cheapflights users for Lambert-St Louis-Willemstad Hato Int. flights.

Search Deals

From Lambert-St Louis to Willemstad Hato Int.

Search Deals

Highest demand for flights based on searches. 4% potential increase in price ($33 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($22 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 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 April 16, 2025.

Fri 4/183:30 pmSTL - CUR

2 stops21h 00mAir Canada

Thu 4/243:55 pmCUR - STL

1 stop23h 54mAir Canada

Deal found 4/15

$475

Mon 12/86:00 amSTL - CUR

1 stop6h 50mDelta

Fri 12/124:10 pmCUR - STL

1 stop9h 29mDelta

Deal found 4/15

$598

Tue 10/285:34 amSTL - CUR

1 stop6h 51mAmerican Airlines

Tue 11/43:45 pmCUR - STL

1 stop9h 16mAmerican Airlines

Deal found 4/16

$648

Fri 4/183:30 pmSTL - CUR

2 stops21h 00mMultiple Airlines

Thu 4/243:55 pmCUR - STL

3 stops25h 50mMultiple Airlines

Deal found 4/15

$670

Sat 10/183:30 pmSTL - CUR

3 stops43h 48mUnited Airlines

Sat 10/252:50 pmCUR - STL

2 stops22h 30mUnited Airlines

Deal found 4/16

$865

Sat 12/65:30 pmSTL - CUR

2 stops19h 44mWestJet

Sun 12/144:05 pmCUR - STL

2 stops32h 57mWestJet

Deal found 4/15

$3,548

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 April 16, 2025.

Sun 9/75:31 amSTL - CUR

1 stop6h 59mAmerican Airlines

Fri 9/124:20 pmCUR - STL

1 stop7h 41mAmerican Airlines

Deal found 4/15

$648

Sun 5/186:00 amSTL - CUR

1 stop6h 48mDelta

Sun 5/253:05 pmCUR - STL

1 stop9h 33mDelta

Deal found 4/15

$821

Sun 5/1810:10 amSTL - CUR

3 stops46h 45mMultiple Airlines

Sun 5/2512:35 pmCUR - STL

3 stops32h 23mMultiple Airlines

Deal found 4/16

$1,116

Sun 5/183:43 pmSTL - CUR

3 stops19h 34mUnited Airlines

Sun 5/251:16 pmCUR - STL

2 stops22h 23mUnited Airlines

Deal found 4/15

$1,250

Last-minute flights from St. Louis to Willemstad
Discover last-minute flight deals from St. Louis to Willemstad. Data last updated April 16, 2025 and is based on user searches.

Fri 4/183:30 pmSTL - CUR

2 stops21h 00mAir Canada

Thu 4/243:55 pmCUR - STL

1 stop23h 54mAir Canada

Deal found 4/15

$475

Fri 4/183:30 pmSTL - CUR

2 stops21h 00mMultiple Airlines

Thu 4/243:55 pmCUR - STL

3 stops25h 50mMultiple Airlines

Deal found 4/15

$670

Mon 5/125:12 amSTL - CUR

1 stop7h 13mAmerican Airlines

Mon 5/192:14 pmCUR - STL

1 stop9h 05mAmerican Airlines

Deal found 4/15

$733

Sun 5/186:00 amSTL - CUR

1 stop6h 48mDelta

Sun 5/253:05 pmCUR - STL

1 stop9h 33mDelta

Deal found 4/15

$821

Sun 5/183:43 pmSTL - CUR

3 stops19h 34mUnited Airlines

Sun 5/251:16 pmCUR - STL

2 stops22h 23mUnited Airlines

Deal found 4/15

$1,250

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

Sun 9/7

5:31 am-1:30 pm

1 stop6h 59m

Willemstad Hato Int.

Fri 9/12

4:20 pm-11:01 pm

1 stop7h 41m

$648

St. LouisWillemstad

STL - CUR

STLCUR

Lambert-St Louis

Sun 5/18

6:00 am-1:48 pm

1 stop6h 48m

Willemstad Hato Int.

Sun 5/25

3:05 pm-11:38 pm

1 stop9h 33m

$821

St. LouisWillemstad

STL - CUR

STLCUR

Lambert-St Louis

Sun 5/18

10:10 am-9:55 am

3 stops46h 45m

Willemstad Hato Int.

Sun 5/25

12:35 pm-7:58 pm

3 stops32h 23m

$1,116

St. LouisWillemstad

STL - CUR

STLCUR

Lambert-St Louis

Sun 5/18

3:43 pm-12:17 pm

3 stops19h 34m

Willemstad Hato Int.

Sun 5/25

1:16 pm-10:39 am

2 stops22h 23m

$1,250

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

Compare providers for flights from St. Louis to Willemstad

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Willemstad in April.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on St. Louis-Willemstad flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on St. Louis-Willemstad flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from St. Louis-Willemstad flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on St. Louis-Willemstad flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Willemstad flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 8 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.

Rainfall in Willemstad by month

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.

Temperature in Willemstad by month

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).

Reviews of airlines servicing Willemstad

Delta

8.0

Very good

7,916 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

7,916 reviews

Delta

8.0

Very good

7,916 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines

7.4

Good

8,665 reviews

Delta

8.0

Very good

7,916 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,916 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 $648 on this airline. Additional options worth looking into are Delta and United Airlines, starting at $821 and $1,250 round-trip. Users have found that American Airlines is 7% 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
Delta	Cheapest$473	Average$733	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$512	Average$657	FlexibilityNo cancel fee	On-time71%

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$475+ Cheap flights from St. Louis (STL) to Willemstad (CUR)

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 4/18. 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 May, booked 9 days in advance, depart on a Tuesday or Friday and return on a Tuesday

Cheap flight deals from St. Louis to Willemstad

Most accurate provider

Most trusted provider

Round-trip 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 April 16, 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 April 16, 2025.

Cheapflights Fare Finder

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

Compare providers for flights from St. Louis to Willemstad

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Willemstad in April.

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 April 11, 2025.

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

Rainfall in Willemstad by month

Plan your trip to Willemstad by taking into account the average rainfall totals by month.

Temperature in Willemstad by month

Plan your trip to Willemstad by taking into account the average temperature totals by month.

Reviews of airlines servicing Willemstad

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 April 16, 2025.