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Willemstad

$223+ 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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CUR
Aug 16 — Aug 231
Sat 8/16
Sat 8/23
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 August 11, 2025.

Round-trip from

$594
(Priceline)

One-way from

$223
(JetBlue)

Popular in

December

Cheapest in

October

Average price

$603
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. 8% potential increase in price ($62 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in August 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 August 11, 2025.

This Priceline deal was found by Cheapflights users on 8/9. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1210:56 pmONT - CUR
1 stop12h 05mJetBlue
Sun 9/213:06 pmCUR - ONT
1 stop33h 23mJetBlue
Deal found 8/9$594
This JetBlue deal was found by Cheapflights users on 8/9. 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.
Thu 9/1810:56 pmONT - CUR
1 stop12h 05mJetBlue
Thu 10/23:06 pmCUR - ONT
1 stop33h 23mJetBlue
Deal found 8/9$673
This American Airlines deal was found by Cheapflights users on 8/11. 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.
Sat 10/251:00 pmONT - CUR
2 stops21h 17mAmerican Airlines
Wed 10/294:34 pmCUR - ONT
2 stops20h 33mAmerican Airlines
Deal found 8/11$727
This Priceline deal was found by Cheapflights users on 8/11. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/410:56 pmONT - CUR
1 stop12h 05mJetBlue
Sun 9/73:06 pmCUR - ONT
1 stop33h 23mJetBlue
Deal found 8/11$763
This American Airlines deal was found by Cheapflights users on 8/10. 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.
Sat 11/222:59 pmONT - CUR
2 stops21h 41mAmerican Airlines
Sat 11/293:26 pmCUR - ONT
2 stops24h 37mAmerican Airlines
Deal found 8/10$1,002
This Priceline deal was found by Cheapflights users on 8/11. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2511:25 pmONT - CUR
2 stops14h 35mAvianca
Wed 10/296:15 pmCUR - ONT
2 stops30h 40mAvianca
Deal found 8/11$1,095
This United Airlines deal was found by Cheapflights users on 8/9. 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 9/121:15 pmONT - CUR
2 stops21h 30mUnited Airlines
Sun 9/211:23 pmCUR - ONT
2 stops25h 50mUnited Airlines
Deal found 8/9$1,096
This United Airlines deal was found by Cheapflights users on 8/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/116:10 amONT - CUR
2 stops27h 06mUnited Airlines
Mon 8/181:23 pmCUR - ONT
2 stops35h 02mUnited Airlines
Deal found 8/10$1,145
This United Airlines deal was found by Cheapflights users on 8/9. 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 8/175:05 amONT - CUR
2 stops28h 11mUnited Airlines
Fri 8/221:23 pmCUR - ONT
2 stops25h 50mUnited Airlines
Deal found 8/9$1,157
This United Airlines deal was found by Cheapflights users on 8/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/46:00 amONT - CUR
2 stops27h 16mUnited Airlines
Sun 9/71:23 pmCUR - ONT
2 stops36h 07mUnited Airlines
Deal found 8/11$1,159
This United Airlines deal was found by Cheapflights users on 8/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/21:42 pmONT - CUR
2 stops43h 34mUnited Airlines
Sun 9/71:23 pmCUR - ONT
2 stops36h 07mUnited Airlines
Deal found 8/11$1,167
This Mytrip deal was found by Cheapflights users on 8/8. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/911:25 pmONT - CUR
2 stops31h 30mAvianca
Wed 10/155:50 pmCUR - ONT
2 stops31h 05mAvianca
Deal found 8/8$1,259

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 August 11, 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 9/12

10:56 pm-2:01 pm

1 stop12h 05m

Willemstad Hato Int.

Sun 9/21

3:06 pm-9:29 pm

1 stop33h 23m

$594

OntarioWillemstad

ONT - CUR

ONTCUR

Ontario

Thu 9/18

10:56 pm-2:01 pm

1 stop12h 05m

Willemstad Hato Int.

Thu 10/2

3:06 pm-9:29 pm

1 stop33h 23m

$673

OntarioWillemstad

ONT - CUR

ONTCUR

Ontario

Sat 10/25

1:00 pm-1:17 pm

2 stops21h 17m

Willemstad Hato Int.

Wed 10/29

4:34 pm-10:07 am

2 stops20h 33m

$727

OntarioWillemstad

ONT - CUR

ONTCUR

Ontario

Thu 9/4

10:56 pm-2:01 pm

1 stop12h 05m

Willemstad Hato Int.

Sun 9/7

3:06 pm-9:29 pm

1 stop33h 23m

$763

OntarioWillemstad

ONT - CUR

ONTCUR

Ontario

Sat 11/22

2:59 pm-4:40 pm

2 stops21h 41m

Willemstad Hato Int.

Sat 11/29

3:26 pm-12:03 pm

2 stops24h 37m

$1,002

OntarioWillemstad

ONT - CUR

ONTCUR

Ontario

Sat 10/25

11:25 pm-5:00 pm

2 stops14h 35m

Willemstad Hato Int.

Wed 10/29

6:15 pm-9:55 pm

2 stops30h 40m

$1,095

OntarioWillemstad

ONT - CUR

ONTCUR

Ontario

Fri 9/12

1:15 pm-1:45 pm

2 stops21h 30m

Willemstad Hato Int.

Sun 9/21

1:23 pm-12:13 pm

2 stops25h 50m

$1,096

OntarioWillemstad

ONT - CUR

ONTCUR

Ontario

Wed 1/28

6:42 pm-12:14 pm

3 stops37h 32m

Willemstad Hato Int.

Mon 2/2

1:19 pm-9:21 pm

2 stops36h 02m

$1,145

OntarioWillemstad

ONT - CUR

ONTCUR

Ontario

Thu 9/4

6:00 am-12:16 pm

2 stops27h 16m

Willemstad Hato Int.

Sun 9/7

1:23 pm-10:30 pm

2 stops36h 07m

$1,159

OntarioWillemstad

ONT - CUR

ONTCUR

Ontario

Tue 9/2

1:42 pm-12:16 pm

2 stops43h 34m

Willemstad Hato Int.

Sun 9/7

1:23 pm-10:30 pm

2 stops36h 07m

$1,167

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/11

Showing 1-10 of 22 results
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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.

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 August 11, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from Ontario to Willemstad to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,979 reviews

Crew

8.5

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.9

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
7,979 reviews
Delta
8.0
Very good
7,979 reviews

Crew

8.5

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.9

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
8,920 reviews
Delta
8.0
Very good
7,979 reviews

Crew

8.5

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.9

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
7,979 reviews

Crew

8.5

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.9

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
7.2
Good
2,916 reviews
Delta
8.0
Very good
7,979 reviews

Crew

8.5

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.9

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.
Avianca
6.7
Okay
2,397 reviews
Delta
8.0
Very good
7,979 reviews

Crew

8.5

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.9

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.

  • 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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