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Willemstad

$448+ 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 8/28. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CUR
Jun 23 — Jun 301
Mon 6/23
Mon 6/30
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 June 18, 2025.

Round-trip from

$520
(American Airlines)

One-way from

$448
(JetBlue)

Popular in

June

Cheapest in

October

Average price

$865
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. 14% potential increase in price ($116 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 18, 2025.

This American Airlines deal was found by Cheapflights users on 6/17. 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.
Sun 8/317:32 pmONT - CUR
2 stops16h 46mAmerican Airlines
Sun 9/74:25 pmCUR - ONT
2 stops24h 25mAmerican Airlines
Deal found 6/17$520
This JetBlue deal was found by Cheapflights users on 6/18. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/1211:59 pmONT - CUR
1 stop11h 26mJetBlue
Fri 7/253:43 pmCUR - ONT
1 stop33h 16mJetBlue
Deal found 6/18$683
This United Airlines deal was found by Cheapflights users on 6/16. 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 9/56:50 pmONT - CUR
2 stops15h 55mUnited Airlines
Fri 9/121:22 pmCUR - ONT
2 stops25h 51mUnited Airlines
Deal found 6/16$887
This Avianca deal was found by Cheapflights users on 6/16. 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.
Sun 8/3111:25 pmONT - CUR
2 stops31h 30mAvianca
Wed 9/105:50 pmCUR - ONT
2 stops31h 05mAvianca
Deal found 6/16$1,111
This Mytrip deal was found by Cheapflights users on 6/15. 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.
Fri 7/189:11 pmONT - CUR
3 stops33h 44mMultiple Airlines
Fri 7/255:50 pmCUR - ONT
3 stops31h 05mMultiple Airlines
Deal found 6/15$1,312
This Air Canada deal was found by Cheapflights users on 6/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/46:00 amONT - CUR
2 stops30h 35mAir Canada
Fri 9/124:35 pmCUR - ONT
2 stops31h 08mAir Canada
Deal found 6/16$1,444
This Delta deal was found by Cheapflights users on 6/17. 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.
Sat 12/2010:29 pmONT - CUR
1 stop12h 20mDelta
Fri 12/264:14 pmCUR - ONT
1 stop10h 42mDelta
Deal found 6/17$2,171

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 June 18, 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 8/31

7:32 pm-3:18 pm

2 stops16h 46m

Willemstad Hato Int.

Sun 9/7

4:25 pm-1:50 pm

2 stops24h 25m

$520

OntarioWillemstad

ONT - CUR

ONTCUR

Ontario

Sat 7/12

11:59 pm-2:25 pm

1 stop11h 26m

Willemstad Hato Int.

Fri 7/25

3:43 pm-9:59 pm

1 stop33h 16m

$683

OntarioWillemstad

ONT - CUR

ONTCUR

Ontario

Fri 9/5

6:50 pm-1:45 pm

2 stops15h 55m

Willemstad Hato Int.

Fri 9/12

1:22 pm-12:13 pm

2 stops25h 51m

$887

OntarioWillemstad

ONT - CUR

ONTCUR

Ontario

Sun 8/31

11:25 pm-9:55 am

2 stops31h 30m

Willemstad Hato Int.

Wed 9/10

5:50 pm-9:55 pm

2 stops31h 05m

$1,111

OntarioWillemstad

ONT - CUR

ONTCUR

Ontario

Fri 7/18

9:11 pm-9:55 am

3 stops33h 44m

Willemstad Hato Int.

Fri 7/25

5:50 pm-9:55 pm

3 stops31h 05m

$1,312

OntarioWillemstad

ONT - CUR

ONTCUR

Ontario

Thu 9/4

6:00 am-3:35 pm

2 stops30h 35m

Willemstad Hato Int.

Fri 9/12

4:35 pm-8:43 pm

2 stops31h 08m

$1,444

OntarioWillemstad

ONT - CUR

ONTCUR

Ontario

Fri 7/18

10:05 pm-1:59 pm

1 stop12h 54m

Willemstad Hato Int.

Fri 7/25

3:14 pm-10:27 pm

1 stop10h 13m

$2,299

OntarioWillemstad

ONT - CUR

ONTCUR

Ontario

Thu 8/28

11:45 pm-2:14 pm

1 stop11h 29m

$448

OntarioWillemstad

ONT - CUR

ONTCUR

Ontario

Fri 8/29

6:38 pm-1:40 pm

2 stops16h 02m

$508

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/16

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.

Rainfall in Willemstad by month

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

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

Get insights into the airlines that provide service to Willemstad. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Willemstad. Reviews last updated June 18, 2025.
Delta
8.0
Very good
7,964 reviews

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

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
7,964 reviews
Delta
8.0
Very good
7,964 reviews

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

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
8,810 reviews
Delta
8.0
Very good
7,964 reviews

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

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.
JetBlue
7.3
Good
2,924 reviews
Delta
8.0
Very good
7,964 reviews

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

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
7,964 reviews

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

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.
Air Canada
7.1
Good
9,572 reviews
Delta
8.0
Very good
7,964 reviews

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

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

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.

  • What are the cheapest airlines flying from Ontario to Willemstad round-trip?

    According to our current data, American Airlines ($520), JetBlue ($683), and United Airlines ($887) offers the cheapest pricing from Ontario to 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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