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Willemstad

$539+ 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 12/22. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CUR
Oct 30 — Nov 61
Thu 10/30
Thu 11/6
1 adult, Economy
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Cheap 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 September 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$972
(United Airlines)

One-way from

$539
(American Airlines)

Popular in

December

Cheapest in

January

Average price

$644
Provider with most accurate pricing for Ontario-Willemstad Hato Int. flight deals.
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Provider most trusted by Cheapflights users for Ontario-Willemstad Hato Int. flights.
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From Ontario to Willemstad Hato Int.
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One-way flight from Ontario to Willemstad Hato Int.
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Highest demand for flights based on searches. 4% potential increase in price ($32 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 30, 2025.

This United Airlines deal was found by Cheapflights users on 9/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/241:15 pmONT - CUR
2 stops21h 30mUnited Airlines
Thu 10/301:16 pmCUR - ONT
3 stops36h 35mUnited Airlines
Deal found 9/30$972
This United Airlines deal was found by Cheapflights users on 9/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/267:00 amONT - CUR
2 stops26h 17mUnited Airlines
Fri 10/311:16 pmCUR - ONT
2 stops36h 15mUnited Airlines
Deal found 9/30$1,145
This United Airlines deal was found by Cheapflights users on 9/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/56:00 amONT - CUR
2 stops27h 17mUnited Airlines
Fri 10/101:16 pmCUR - ONT
2 stops31h 33mUnited Airlines
Deal found 9/28$1,153
This United Airlines deal was found by Cheapflights users on 9/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/56:00 amONT - CUR
2 stops27h 17mUnited Airlines
Sun 10/121:16 pmCUR - ONT
2 stops35h 08mUnited Airlines
Deal found 9/28$1,159
This United Airlines deal was found by Cheapflights users on 9/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/46:00 amONT - CUR
2 stops27h 17mUnited Airlines
Fri 10/101:16 pmCUR - ONT
2 stops25h 57mUnited Airlines
Deal found 9/28$1,167
This United Airlines deal was found by Cheapflights users on 9/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/46:00 amONT - CUR
2 stops27h 17mUnited Airlines
Sun 10/121:16 pmCUR - ONT
2 stops35h 08mUnited Airlines
Deal found 9/28$1,173
This United Airlines deal was found by Cheapflights users on 9/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/36:36 pmONT - CUR
2 stops38h 41mUnited Airlines
Fri 10/101:16 pmCUR - ONT
2 stops31h 33mUnited Airlines
Deal found 9/28$1,175
This United Airlines deal was found by Cheapflights users on 9/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/36:36 pmONT - CUR
2 stops38h 41mUnited Airlines
Sun 10/121:16 pmCUR - ONT
2 stops35h 08mUnited Airlines
Deal found 9/28$1,181
This United Airlines deal was found by Cheapflights users on 9/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/36:36 pmONT - CUR
2 stops38h 41mUnited Airlines
Sat 10/111:16 pmCUR - ONT
2 stops25h 57mUnited Airlines
Deal found 9/28$1,189
This Delta deal was found by Cheapflights users on 9/28. 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.
Fri 10/310:00 pmONT - CUR
1 stop12h 56mDelta
Sat 10/113:05 pmCUR - ONT
1 stop31h 14mDelta
Deal found 9/28$2,477
This United Airlines deal was found by Cheapflights users on 9/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:04 amONT - CUR
2 stops50h 13mUnited Airlines
Fri 1/21:19 pmCUR - ONT
2 stops36h 33mUnited Airlines
Deal found 9/29$4,208

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 September 30, 2025.
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

Fri 10/24

1:15 pm-1:45 pm

2 stops21h 30m

Willemstad Hato Int.

Fri 10/31

1:16 pm-9:49 pm

2 stops35h 33m

$972

OntarioWillemstad

ONT - CUR

ONTCUR

Ontario

Fri 10/24

1:15 pm-1:45 pm

2 stops21h 30m

Willemstad Hato Int.

Thu 10/30

1:16 pm-10:51 pm

3 stops36h 35m

$972

OntarioWillemstad

ONT - CUR

ONTCUR

Ontario

Tue 12/2

6:00 am-12:17 pm

2 stops26h 17m

Willemstad Hato Int.

Sun 12/7

1:16 pm-9:49 pm

2 stops36h 33m

$1,145

OntarioWillemstad

ONT - CUR

ONTCUR

Ontario

Mon 12/1

8:38 pm-12:17 pm

2 stops35h 39m

Willemstad Hato Int.

Tue 12/9

1:16 pm-10:49 pm

3 stops37h 33m

$1,145

OntarioWillemstad

ONT - CUR

ONTCUR

Ontario

Mon 11/10

6:00 am-12:17 pm

2 stops26h 17m

Willemstad Hato Int.

Fri 11/14

1:12 pm-8:44 pm

2 stops35h 32m

$1,145

OntarioWillemstad

ONT - CUR

ONTCUR

Ontario

Mon 12/1

6:00 am-12:17 pm

2 stops26h 17m

Willemstad Hato Int.

Wed 12/10

1:16 pm-8:42 pm

2 stops35h 26m

$1,145

OntarioWillemstad

ONT - CUR

ONTCUR

Ontario

Sun 10/26

6:05 am-12:17 pm

2 stops27h 12m

Willemstad Hato Int.

Fri 10/31

1:16 pm-10:31 pm

2 stops36h 15m

$1,145

OntarioWillemstad

ONT - CUR

ONTCUR

Ontario

Mon 12/22

12:45 pm-3:01 pm

2 stops22h 16m

$539

OntarioWillemstad

ONT - CUR

ONTCUR

Ontario

Wed 12/3

1:34 pm-12:17 pm

2 stops18h 43m

$540

OntarioWillemstad

ONT - CUR

ONTCUR

Ontario

Sat 12/20

12:45 pm-3:01 pm

2 stops22h 16m

$569

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/30

Showing 1-10 of 13 results
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Compare providers for flights from Ontario 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 Ontario to Willemstad in September.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust 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 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, January is the cheapest month in which you can book a flight from Ontario to Willemstad (average of $531). Flying from Ontario 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.

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?

    United Airlines can get you from Ontario to Willemstad in just under 21h 30m. 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, January is the cheapest month in which you can book a flight from Ontario to Willemstad (average of $531). Flying from Ontario 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.

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