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Willemstad

$352+ Cheap flights from Ontario (ONT) 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 3/30. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CUR
Mar 13 — Mar 201
Fri 3/13
Fri 3/20
1 adult, Economy
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Cheap flight deals from Ontario to Willemstad

Cheapest flights from Ontario to Willemstad
Explore the most affordable flight options available from Ontario to Willemstad. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 11, 2026.

This Travelocity deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2310:56 pm
ONT
-
CUR
1 stop12h 05m
JetBlue
Sun 9/273:06 pm
CUR
-
ONT
1 stop33h 23m
JetBlue
Deal found 2/7$755
This American Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/52:59 pm
ONT
-
CUR
2 stops21h 41m
American Airlines
Thu 11/125:40 pm
CUR
-
ONT
2 stops22h 13m
American Airlines
Deal found 2/11$770
This American Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/3011:59 pm
ONT
-
CUR
1 stop10h 39m
American Airlines
Mon 4/62:38 pm
CUR
-
ONT
2 stops22h 31m
American Airlines
Deal found 2/10$792
This American Airlines deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/271:10 pm
ONT
-
CUR
2 stops21h 18m
American Airlines
Mon 6/14:49 pm
CUR
-
ONT
2 stops23h 43m
American Airlines
Deal found 2/7$795
This American Airlines deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/232:56 pm
ONT
-
CUR
2 stops21h 14m
American Airlines
Sun 9/274:40 pm
CUR
-
ONT
2 stops23h 46m
American Airlines
Deal found 2/7$800
This CheapOair deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1811:25 pm
ONT
-
CUR
1 stop11h 11m
Multiple Airlines
Thu 5/2111:35 am
CUR
-
ONT
2 stops13h 10m
Multiple Airlines
Deal found 2/11$860
This Delta deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/3010:25 pm
ONT
-
CUR
1 stop12h 14m
Delta
Wed 4/13:04 pm
CUR
-
ONT
2 stops24h 19m
Delta
Deal found 2/11$879
This Mytrip deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/1911:02 pm
ONT
-
CUR
3 stops32h 23m
Multiple Airlines
Thu 2/266:15 pm
CUR
-
ONT
3 stops32h 37m
Multiple Airlines
Deal found 2/10$911
This Avianca deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/1611:35 pm
ONT
-
CUR
2 stops14h 25m
Avianca
Tue 6/2311:35 am
CUR
-
ONT
2 stops13h 10m
Avianca
Deal found 2/8$964
This Travelocity deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:00 am
ONT
-
CUR
2 stops30h 00m
Multiple Airlines
Sun 9/273:06 pm
CUR
-
ONT
1 stop33h 23m
Multiple Airlines
Deal found 2/7$981
This Delta deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/251:20 pm
ONT
-
CUR
2 stops21h 19m
Delta
Wed 4/13:04 pm
CUR
-
ONT
2 stops24h 19m
Delta
Deal found 2/11$991
This Orbitz deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2811:25 pm
ONT
-
CUR
1 stop11h 19m
Multiple Airlines
Mon 6/112:35 pm
CUR
-
ONT
2 stops36h 34m
Multiple Airlines
Deal found 2/7$998

Find flight deals from Ontario to Willemstad

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Willemstad (CUR). 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 February 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$792
(American Airlines)

One-way from

$352
(Delta)

Popular in

June

Cheapest in

February

Average price

$492
Provider with most accurate pricing for Ontario-Willemstad Hato Int. flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-Willemstad Hato Int. flights.
Search Deals
From Ontario to Willemstad Hato Int.
Search Deals
One-way flight from Ontario to Willemstad Hato Int.
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($88 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario 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, Cheapflights users made 2,558,603 searches. Data last updated February 11, 2026.
Use the filters below to find and compare flights from Ontario to Willemstad that are best for you.

Fly from

Ontario

Fly to

Willemstad

Route

Depart

Return

Price

OntarioWillemstad

ONT - CUR

ONTCUR

Ontario

Mon 3/30

5:02 pm-1:35 pm

2 stops17h 33m

Willemstad Hato Int.

Mon 4/6

4:41 pm-11:34 am

2 stops21h 53m

$792

OntarioWillemstad

ONT - CUR

ONTCUR

Ontario

Thu 5/28

7:02 pm-3:31 pm

2 stops17h 29m

Willemstad Hato Int.

Mon 6/1

4:49 pm-12:07 pm

2 stops22h 18m

$795

OntarioWillemstad

ONT - CUR

ONTCUR

Ontario

Wed 5/27

1:10 pm-1:28 pm

2 stops21h 18m

Willemstad Hato Int.

Mon 6/1

4:49 pm-1:32 pm

2 stops23h 43m

$795

OntarioWillemstad

ONT - CUR

ONTCUR

Ontario

Mon 5/18

11:25 pm-1:36 pm

1 stop11h 11m

Willemstad Hato Int.

Thu 5/21

11:35 am-9:45 pm

2 stops13h 10m

$860

OntarioWillemstad

ONT - CUR

ONTCUR

Ontario

Mon 3/30

5:09 pm-1:39 pm

2 stops17h 30m

Willemstad Hato Int.

Wed 4/1

3:04 pm-12:23 pm

2 stops24h 19m

$879

OntarioWillemstad

ONT - CUR

ONTCUR

Ontario

Tue 6/16

11:35 pm-5:00 pm

2 stops14h 25m

Willemstad Hato Int.

Tue 6/23

11:35 am-9:45 pm

2 stops13h 10m

$964

OntarioWillemstad

ONT - CUR

ONTCUR

Ontario

Wed 3/25

1:20 pm-1:39 pm

2 stops21h 19m

Willemstad Hato Int.

Wed 4/1

3:04 pm-12:23 pm

2 stops24h 19m

$991

OntarioWillemstad

ONT - CUR

ONTCUR

Ontario

Thu 5/28

11:25 pm-1:44 pm

1 stop11h 19m

Willemstad Hato Int.

Mon 6/1

12:35 pm-10:09 pm

2 stops36h 34m

$998

OntarioWillemstad

ONT - CUR

ONTCUR

Ontario

Mon 3/30

10:25 pm-1:39 pm

1 stop12h 14m

Willemstad Hato Int.

Wed 4/8

3:04 pm-9:00 pm

1 stop32h 56m

$1,026

OntarioWillemstad

ONT - CUR

ONTCUR

Ontario

Mon 3/30

10:25 pm-1:39 pm

1 stop12h 14m

Willemstad Hato Int.

Mon 4/6

3:04 pm-11:47 am

1 stop23h 43m

$1,029

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/7

Showing 1-10 of 20 results
1
2
  • Most accurate provider: When it comes to deals on Ontario-Willemstad flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Willemstad flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Willemstad flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Willemstad flights, Cheapflights users trust FlightHub the most. FlightHub 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 Ontario-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 Ontario to Willemstad

Have a flexible travel schedule? Discover the best time to fly to Willemstad from Ontario 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 Ontario to Willemstad

What is the cheapest month to book a flight from Ontario to Willemstad?

Currently, February is the cheapest month in which you can book a flight from Ontario to Willemstad (average of $207). Flying from Ontario to Willemstad in July is currently the most expensive (average of $499). 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.

Related info for your journey

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

  • How long is the flight from Ontario to Willemstad?

    American Airlines can get you from Ontario to Willemstad in just under 17h 33m. Your travel time can differ by up to . There are 3397 mi between Ontario and Willemstad.

  • Can I find deals for flights from Ontario to Willemstad that include hotel bookings?

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

  • How can I find direct flights from Ontario to Willemstad?

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

  • Can I find deals for business class flights from Ontario to Willemstad?

    Yes. Cheapflights offers flight deals from Ontario 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 Ontario to Willemstad?

    Currently, February is the cheapest month in which you can book a flight from Ontario to Willemstad (average of $207). Flying from Ontario to Willemstad in July is currently the most expensive (average of $499). 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.

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