Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from St. Louis to Willemstad from $541

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Willemstad departing on 1/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from St. Louis to Willemstad

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
4:05 pm - 3:10 pm
STL
-
CUR
21h 05m2 stops
Air Canada Logo
5:20 pm - 3:29 pm
CUR
-
STL
24h 09m1 stop
$541Air Canada
Thu, Jan 22 - Mon, Jan 26
Air Canada Logo
4:05 pm - 3:10 pm
STL
-
CUR
21h 05m2 stops
Air Canada Logo
4:10 pm - 3:29 pm
CUR
-
STL
25h 19m2 stops
$545Air Canada
Thu, Jan 22 - Mon, Jan 26
American Airlines Logo
6:57 pm - 2:03 pm
STL
-
CUR
18h 06m1 stop
American Airlines Logo
3:03 pm - 8:35 am
CUR
-
STL
18h 32m1 stop
$631American Airlines
Mon, Mar 16 - Wed, Mar 25
American Airlines Logo
5:00 am - 3:41 pm
STL
-
CUR
9h 41m1 stop
American Airlines Logo
4:41 pm - 9:36 am
CUR
-
STL
17h 55m2 stops
$635American Airlines
Mon, Mar 16 - Wed, Mar 25
American Airlines Logo
4:48 pm - 1:25 pm
STL
-
CUR
19h 37m2 stops
American Airlines Logo
4:20 pm - 11:59 pm
CUR
-
STL
8h 39m1 stop
$660American Airlines
Sun, May 24 - Thu, May 28
American Airlines Logo
5:05 am - 4:41 pm
STL
-
CUR
9h 36m1 stop
American Airlines Logo
3:03 pm - 8:35 am
CUR
-
STL
18h 32m1 stop
$681American Airlines
Fri, Mar 6 - Wed, Mar 11
Air Canada Logo
4:05 pm - 4:20 pm
STL
-
CUR
22h 15m1 stop
Air Canada Logo
5:20 pm - 3:29 pm
CUR
-
STL
24h 09m1 stop
$683Air Canada
Mon, Jan 26 - Thu, Jan 29
American Airlines Logo
5:05 am - 4:41 pm
STL
-
CUR
9h 36m1 stop
American Airlines Logo
4:41 pm - 8:55 am
CUR
-
STL
17h 14m2 stops
$685American Airlines
Fri, Mar 6 - Wed, Mar 11
Air Canada Logo
4:05 pm - 4:20 pm
STL
-
CUR
22h 15m1 stop
Air Canada Logo
3:25 pm - 3:29 pm
CUR
-
STL
26h 04m2 stops
$686Air Canada
Mon, Jan 26 - Thu, Jan 29
Air Canada Logo
4:05 pm - 4:20 pm
STL
-
CUR
22h 15m1 stop
Air Canada Logo
5:20 pm - 3:29 pm
CUR
-
STL
24h 09m1 stop
$693Air Canada
Mon, Jan 26 - Thu, Jan 29

Air Canada flights from St. Louis to Willemstad

Our best Air Canada deals on St. Louis to Willemstad flight tickets
Air Canada
Jan 22
STL4:05 pmLambert-St Louis
21h 05m
2 stops
CUR3:10 pmWillemstad Hato Int.
Jan 26
CUR5:20 pmWillemstad Hato Int.
24h 09m
1 stop
STL3:29 pmLambert-St Louis
$541
Find similar
Air Canada
Jan 22
STL4:05 pmLambert-St Louis
21h 05m
2 stops
CUR3:10 pmWillemstad Hato Int.
Jan 26
CUR4:10 pmWillemstad Hato Int.
25h 19m
2 stops
STL3:29 pmLambert-St Louis
$545
Find similar
Air Canada
Jan 26
STL4:05 pmLambert-St Louis
22h 15m
1 stop
CUR4:20 pmWillemstad Hato Int.
Jan 29
CUR5:20 pmWillemstad Hato Int.
24h 09m
1 stop
STL3:29 pmLambert-St Louis
$593
Find similar

American Airlines flights from St. Louis to Willemstad

Our best American Airlines deals on St. Louis to Willemstad flight tickets
American Airlines
Mar 16
STL6:57 pmLambert-St Louis
18h 06m
1 stop
CUR2:03 pmWillemstad Hato Int.
Mar 25
CUR3:03 pmWillemstad Hato Int.
18h 32m
1 stop
STL8:35 amLambert-St Louis
$631
Find similar
American Airlines
Mar 16
STL5:00 amLambert-St Louis
9h 41m
1 stop
CUR3:41 pmWillemstad Hato Int.
Mar 25
CUR4:41 pmWillemstad Hato Int.
17h 55m
2 stops
STL9:36 amLambert-St Louis
$635
Find similar
American Airlines
May 24
STL4:48 pmLambert-St Louis
19h 37m
2 stops
CUR1:25 pmWillemstad Hato Int.
May 28
CUR4:20 pmWillemstad Hato Int.
8h 39m
1 stop
STL11:59 pmLambert-St Louis
$660
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Willemstad 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, momondo users made 832,500 searches. Data last updated December 18, 2025.
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

Thu 1/22

4:05 pm-3:10 pm

2 stops21h 05m

Willemstad Hato Int.

Mon 1/26

5:20 pm-3:29 pm

1 stop24h 09m

$541

St. LouisWillemstad

STL - CUR

STLCUR

Lambert-St Louis

Thu 1/22

4:05 pm-3:10 pm

2 stops21h 05m

Willemstad Hato Int.

Mon 1/26

4:10 pm-3:29 pm

2 stops25h 19m

$545

St. LouisWillemstad

STL - CUR

STLCUR

Lambert-St Louis

Mon 3/16

6:57 pm-2:03 pm

1 stop18h 06m

Willemstad Hato Int.

Wed 3/25

3:03 pm-8:35 am

1 stop18h 32m

$631

St. LouisWillemstad

STL - CUR

STLCUR

Lambert-St Louis

Mon 3/16

5:00 am-3:41 pm

1 stop9h 41m

Willemstad Hato Int.

Wed 3/25

4:41 pm-9:36 am

2 stops17h 55m

$635

St. LouisWillemstad

STL - CUR

STLCUR

Lambert-St Louis

Sun 5/24

4:48 pm-1:25 pm

2 stops19h 37m

Willemstad Hato Int.

Thu 5/28

4:20 pm-11:59 pm

1 stop8h 39m

$660

St. LouisWillemstad

STL - CUR

STLCUR

Lambert-St Louis

Fri 3/6

5:05 am-4:41 pm

1 stop9h 36m

Willemstad Hato Int.

Wed 3/11

3:03 pm-8:35 am

1 stop18h 32m

$681

St. LouisWillemstad

STL - CUR

STLCUR

Lambert-St Louis

Mon 1/26

4:05 pm-4:20 pm

1 stop22h 15m

Willemstad Hato Int.

Thu 1/29

5:20 pm-3:29 pm

1 stop24h 09m

$683

St. LouisWillemstad

STL - CUR

STLCUR

Lambert-St Louis

Fri 3/6

5:05 am-4:41 pm

1 stop9h 36m

Willemstad Hato Int.

Wed 3/11

4:41 pm-8:55 am

2 stops17h 14m

$685

St. LouisWillemstad

STL - CUR

STLCUR

Lambert-St Louis

Mon 1/26

4:05 pm-4:20 pm

1 stop22h 15m

Willemstad Hato Int.

Thu 1/29

3:25 pm-3:29 pm

2 stops26h 04m

$686

St. LouisWillemstad

STL - CUR

STLCUR

Lambert-St Louis

Mon 1/26

4:05 pm-4:20 pm

1 stop22h 15m

Willemstad Hato Int.

Thu 1/29

5:20 pm-3:29 pm

1 stop24h 09m

$693

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Willemstad from

How to get the cheapest flight ticket from St. Louis to Willemstad

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between St. Louis and Willemstad?

What is the cheapest month to fly to Willemstad?

In general, April is the cheapest month to fly from St. Louis to Willemstad. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $570. If you aren’t able to travel to Willemstad during the month of April, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $645.

What is the cheapest day to depart on your flight to Willemstad?

The cheapest day to depart on your flight to Willemstad is on a Tuesday when prices can be found for as low as $591. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $832. These prices are subject to change though, so be sure to set up a Price Alert for flights to Willemstad.

What is the cheapest time of day to depart on your flight to Willemstad?

According to our data, the cheapest time of day to fly to Willemstad is in the morning. momondo users have found flights departing from St. Louis to Willemstad in the morning for as low as $665. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the afternoon are often more expensive with an average ticket price of $711.

When to book flights from St. Louis to Willemstad

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Willemstad according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to Willemstad (STL to CUR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Willemstad

Fastest flight time

6h 45m

Direct flights

None
The fastest flight from St. Louis to Willemstad takes 6h 45m
There are no direct flights from St. Louis to Willemstad. There are no popular flight routes from St. Louis to Willemstad.
Search flight deals

  • How far is Lambert-St Louis to Willemstad Hato Int. by plane?

    The distance between Lambert-St Louis and Willemstad Hato Int. is about 2249.7 mi. A reasonable flight in good conditions will take 6h 45m.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Willemstad Hato Int. Airport?

    Prices for flights from Lambert-St Louis Airport to Willemstad Hato Int. Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Willemstad Hato Int. Airport?

  • How old do you have to be to fly from Lambert-St Louis Airport to Willemstad Hato Int. Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Willemstad Hato Int. Airport.

  • What documentation or ID do you need to fly to Willemstad Hato Int. Airport?

    The travel and health documents required for your trip to Willemstad Hato Int. Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Willemstad Hato Int. Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from St. Louis to Willemstad?

Best airlines flying from St. Louis to Willemstad

Compare and see reviews for airlines that fly from St. Louis to Willemstad with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $561Free CancellationRating
7.2
11,054 reviews
Search American Airlines flights
DeltaPriceFrom $580Free CancellationRating
7.9
8,005 reviews
Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Willemstad?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from St. Louis to Willemstad. momondo saves you time and could save you money on your trip.

Can I find flights from St. Louis to Willemstad with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for St. Louis to Willemstad flights to just show those with flexible booking policies.

How can momondo help me find flights from St. Louis to Willemstad?

momondo provides multiple filters to help you find the best flight to Willemstad from St. Louis. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from St. Louis to Willemstad right now. Can momondo alert me if prices change?

Yes. momondo can track prices for St. Louis to Willemstad flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Willemstad trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 1/17
Sat 1/24
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Curaçao

Fly your favorite airline to Willemstad

Airlines are sorted and displayed according to clicks in the past 7 days on momondo
American Airlines
Delta