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Willemstad

$554+ 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 12/27. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CUR
Jan 13 — Jan 201
Tue 1/13
Tue 1/20
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 December 14, 2025.

This United Airlines deal was found by Cheapflights users on 12/12. 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.
Tue 12/161:34 pmONT - CUR
2 stops18h 43mUnited Airlines
Thu 12/181:16 pmCUR - ONT
2 stops37h 09mUnited Airlines
Deal found 12/12$1,575
This United Airlines deal was found by Cheapflights users on 12/14. 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.
Wed 12/241:40 pmONT - CUR
2 stops18h 37mUnited Airlines
Fri 1/21:19 pmCUR - ONT
2 stops37h 06mUnited Airlines
Deal found 12/14$8,587

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 December 14, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,142
(United Airlines)

One-way from

$554
(United Airlines)

Popular in

December

Cheapest in

September

Average price

$1,076
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.
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($104 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($36 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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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 December 14, 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

Sun 2/8

1:24 pm-12:14 pm

2 stops18h 50m

Willemstad Hato Int.

Thu 2/12

1:19 pm-9:59 pm

2 stops36h 40m

$1,142

OntarioWillemstad

ONT - CUR

ONTCUR

Ontario

Sat 4/18

6:00 am-12:12 pm

2 stops27h 12m

Willemstad Hato Int.

Wed 4/22

1:19 pm-10:11 pm

2 stops35h 52m

$1,142

OntarioWillemstad

ONT - CUR

ONTCUR

Ontario

Sun 2/15

6:00 am-12:14 pm

2 stops26h 14m

Willemstad Hato Int.

Thu 2/19

1:19 pm-8:50 pm

2 stops35h 31m

$1,142

OntarioWillemstad

ONT - CUR

ONTCUR

Ontario

Tue 4/7

6:00 am-12:12 pm

2 stops51h 12m

Willemstad Hato Int.

Fri 4/10

1:19 pm-9:55 am

2 stops23h 36m

$1,150

OntarioWillemstad

ONT - CUR

ONTCUR

Ontario

Sat 3/14

11:30 pm-5:00 pm

2 stops14h 30m

Willemstad Hato Int.

Sat 3/21

6:15 pm-10:52 pm

3 stops31h 37m

$1,219

OntarioWillemstad

ONT - CUR

ONTCUR

Ontario

Tue 6/2

6:02 am-12:18 pm

2 stops27h 16m

Willemstad Hato Int.

Fri 6/5

1:23 pm-10:26 pm

2 stops36h 03m

$1,357

OntarioWillemstad

ONT - CUR

ONTCUR

Ontario

Sat 1/10

10:30 pm-5:00 pm

2 stops14h 30m

Willemstad Hato Int.

Fri 1/23

6:15 pm-8:55 pm

2 stops30h 40m

$2,401

OntarioWillemstad

ONT - CUR

ONTCUR

Ontario

Thu 1/1

10:30 pm-5:00 pm

2 stops14h 30m

Willemstad Hato Int.

Wed 1/7

6:15 pm-8:55 pm

2 stops30h 40m

$3,246

OntarioWillemstad

ONT - CUR

ONTCUR

Ontario

Sat 2/7

6:10 am-12:14 pm

2 stops26h 04m

Willemstad Hato Int.

Sun 2/15

1:19 pm-12:38 pm

2 stops27h 19m

$7,470

OntarioWillemstad

ONT - CUR

ONTCUR

Ontario

Sat 12/27

6:00 am-12:17 pm

2 stops26h 17m

$554

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/13

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 December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Ontario-Willemstad flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 $254). Flying from Ontario to Willemstad in June is currently the most expensive (average of $568). 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 18h 50m. 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 $254). Flying from Ontario to Willemstad in June is currently the most expensive (average of $568). 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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