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Cheap flights from Ontario to Willemstad from $509

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Willemstad departing on 10/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Ontario to Willemstad

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
2:22 pm - 3:31 pmONT  Ontario-CUR Willemstad Hato Int.
22h 09m2 stops Dallas/Fort Worth Miami
American Airlines Logo
4:57 pm - 1:30 pmCUR  Willemstad Hato Int.-ONT Ontario
23h 33m2 stops Miami Dallas/Fort Worth
$1,001American Airlines
Sun, Sep 27 - Sun, Oct 4
United Airlines Logo
9:01 am - 1:40 pmONT  Ontario-CUR Willemstad Hato Int.
25h 39m2 stops San Francisco Newark
United Airlines Logo
2:50 pm - 8:58 pmCUR  Willemstad Hato Int.-ONT Ontario
33h 08m2 stops Newark Denver Intl
$1,003United Airlines
Fri, Sep 18 - Sat, Sep 26
United Airlines Logo
1:18 pm - 12:18 pmONT  Ontario-CUR Willemstad Hato Int.
20h 00m2 stops Denver Intl Panama City Tocumen Intl
United Airlines Logo
2:50 pm - 8:58 pmCUR  Willemstad Hato Int.-ONT Ontario
33h 08m2 stops Newark Denver Intl
$1,004United Airlines
Sat, Sep 19 - Sat, Sep 26
American Airlines Logo
1:27 pm - 4:20 pmONT  Ontario-CUR Willemstad Hato Int.
22h 53m2 stops Phoenix Sky Harbor Intl Miami
American Airlines Logo
5:46 pm - 12:06 pmCUR  Willemstad Hato Int.-ONT Ontario
22h 20m2 stops Miami Dallas/Fort Worth
$1,041American Airlines
Thu, Nov 19 - Wed, Nov 25
Avianca Logo
11:35 pm - 5:00 pmONT  Ontario-CUR Willemstad Hato Int.
14h 25m2 stops San Salvador El Salvador Intl Bogotá El Dorado
Avianca Logo
11:35 am - 9:45 pmCUR  Willemstad Hato Int.-ONT Ontario
13h 10m2 stops Bogotá El Dorado San Salvador El Salvador Intl
$1,068Avianca
Sat, Sep 19 - Thu, Sep 24
Avianca Logo
11:35 pm - 5:00 pmONT  Ontario-CUR Willemstad Hato Int.
14h 25m2 stops San Salvador El Salvador Intl Bogotá El Dorado
Avianca Logo
11:35 am - 9:45 pmCUR  Willemstad Hato Int.-ONT Ontario
13h 10m2 stops Bogotá El Dorado San Salvador El Salvador Intl
$1,069Avianca
Sat, Sep 12 - Thu, Sep 17
Multiple Airlines Logo
12:55 am - 10:20 amONT  Ontario-CUR Willemstad Hato Int.
30h 25m3 stops Guadalajara Miguel Hidal Mexico City Benito Juarez Bogotá El Dorado
Multiple Airlines Logo
6:15 pm - 7:46 pmCUR  Willemstad Hato Int.-ONT Ontario
28h 31m3 stops Bogotá El Dorado Mexico City Benito Juarez Guadalajara Miguel Hidal
$1,077Multiple Airlines
Sat, Sep 26 - Sun, Oct 4
United Airlines Logo
1:56 pm - 1:40 pmONT  Ontario-CUR Willemstad Hato Int.
20h 44m2 stops San Francisco Newark
United Airlines Logo
1:23 pm - 12:12 pmCUR  Willemstad Hato Int.-ONT Ontario
25h 49m2 stops Panama City Tocumen Intl San Francisco
$1,090United Airlines
Fri, Sep 11 - Wed, Sep 16
United Airlines Logo
1:56 pm - 1:40 pmONT  Ontario-CUR Willemstad Hato Int.
20h 44m2 stops San Francisco Newark
United Airlines Logo
1:23 pm - 12:12 pmCUR  Willemstad Hato Int.-ONT Ontario
25h 49m2 stops Panama City Tocumen Intl San Francisco
$1,110United Airlines
Fri, Sep 11 - Wed, Sep 16
Multiple Airlines Logo
12:55 am - 10:20 amONT  Ontario-CUR Willemstad Hato Int.
30h 25m3 stops Guadalajara Miguel Hidal Mexico City Benito Juarez Bogotá El Dorado
Multiple Airlines Logo
6:15 pm - 11:05 pmCUR  Willemstad Hato Int.-ONT Ontario
31h 50m3 stops Bogotá El Dorado Mexico City Benito Juarez Guadalajara Miguel Hidal
$1,122Multiple Airlines
Wed, Sep 30 - Mon, Oct 5

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American Airlines flights from Ontario to Willemstad

Our best American Airlines deals on Ontario to Willemstad flight tickets
American Airlines
Sep 27
ONT2:22 pmOntario
22h 09m
2 stops
CUR3:31 pmWillemstad Hato Int.
Oct 4
CUR4:57 pmWillemstad Hato Int.
23h 33m
2 stops
ONT1:30 pmOntario
$1,001
American Airlines
Nov 19
ONT1:27 pmOntario
22h 53m
2 stops
CUR4:20 pmWillemstad Hato Int.
Nov 25
CUR5:46 pmWillemstad Hato Int.
22h 20m
2 stops
ONT12:06 pmOntario
$1,041
American Airlines
Nov 20
ONT10:30 pmOntario
12h 00m
1 stop
CUR2:30 pmWillemstad Hato Int.
Nov 25
CUR5:46 pmWillemstad Hato Int.
22h 56m
2 stops
ONT12:42 pmOntario
$1,452

Avianca flights from Ontario to Willemstad

Our best Avianca deals on Ontario to Willemstad flight tickets
Avianca
Sep 19
ONT11:35 pmOntario
14h 25m
2 stops
CUR5:00 pmWillemstad Hato Int.
Sep 24
CUR11:35 amWillemstad Hato Int.
13h 10m
2 stops
ONT9:45 pmOntario
$1,068
Avianca
Sep 12
ONT11:35 pmOntario
14h 25m
2 stops
CUR5:00 pmWillemstad Hato Int.
Sep 17
CUR11:35 amWillemstad Hato Int.
13h 10m
2 stops
ONT9:45 pmOntario
$1,069
Avianca
Sep 12
ONT11:35 pmOntario
14h 25m
2 stops
CUR5:00 pmWillemstad Hato Int.
Sep 17
CUR11:35 amWillemstad Hato Int.
13h 10m
2 stops
ONT9:45 pmOntario
$1,135

momondo 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, momondo users made 832,500 searches. Data last updated August 14, 2026.
Use the filters below to find and compare flights from Ontario to Willemstad that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioWillemstad

ONT Ontario - CUR Willemstad Hato Int.

ONTCUR

Ontario

Sun 9/27

2:22 pm-3:31 pm

2 stops22h 09m

Willemstad Hato Int.

Sun 10/4

4:57 pm-1:30 pm

2 stops23h 33m

$1,001

OntarioWillemstad

ONT Ontario - CUR Willemstad Hato Int.

ONTCUR

Ontario

Fri 9/18

9:01 am-1:40 pm

2 stops25h 39m

Willemstad Hato Int.

Sat 9/26

2:50 pm-8:58 pm

2 stops33h 08m

$1,003

OntarioWillemstad

ONT Ontario - CUR Willemstad Hato Int.

ONTCUR

Ontario

Sat 9/19

1:18 pm-12:18 pm

2 stops20h 00m

Willemstad Hato Int.

Sat 9/26

2:50 pm-8:58 pm

2 stops33h 08m

$1,004

OntarioWillemstad

ONT Ontario - CUR Willemstad Hato Int.

ONTCUR

Ontario

Thu 11/19

1:27 pm-4:20 pm

2 stops22h 53m

Willemstad Hato Int.

Wed 11/25

5:46 pm-12:06 pm

2 stops22h 20m

$1,041
Quickest round-trip

OntarioWillemstad

ONT Ontario - CUR Willemstad Hato Int.

ONTCUR

Ontario

Sat 9/19

11:35 pm-5:00 pm

2 stops14h 25m

Willemstad Hato Int.

Thu 9/24

11:35 am-9:45 pm

2 stops13h 10m

$1,068

OntarioWillemstad

ONT Ontario - CUR Willemstad Hato Int.

ONTCUR

Ontario

Sat 9/12

11:35 pm-5:00 pm

2 stops14h 25m

Willemstad Hato Int.

Thu 9/17

11:35 am-9:45 pm

2 stops13h 10m

$1,069

OntarioWillemstad

ONT Ontario - CUR Willemstad Hato Int.

ONTCUR

Ontario

Sat 9/26

12:55 am-10:20 am

3 stops30h 25m

Willemstad Hato Int.

Sun 10/4

6:15 pm-7:46 pm

3 stops28h 31m

$1,077

OntarioWillemstad

ONT Ontario - CUR Willemstad Hato Int.

ONTCUR

Ontario

Fri 9/11

1:56 pm-1:40 pm

2 stops20h 44m

Willemstad Hato Int.

Wed 9/16

1:23 pm-12:12 pm

2 stops25h 49m

$1,090

OntarioWillemstad

ONT Ontario - CUR Willemstad Hato Int.

ONTCUR

Ontario

Fri 9/11

1:56 pm-1:40 pm

2 stops20h 44m

Willemstad Hato Int.

Wed 9/16

1:23 pm-12:12 pm

2 stops25h 49m

$1,110

OntarioWillemstad

ONT Ontario - CUR Willemstad Hato Int.

ONTCUR

Ontario

Wed 9/30

12:55 am-10:20 am

3 stops30h 25m

Willemstad Hato Int.

Mon 10/5

6:15 pm-11:05 pm

3 stops31h 50m

$1,122

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
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See travel insights to Willemstad from

How to get the cheapest flight ticket from Ontario to Willemstad

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Ontario to Willemstad Hato Int.?

United Airlines, Delta, and Avianca are the most popular carriers operating from Ontario to Willemstad Hato Int.

What airlines fly to Willemstad?

Copa Airlines, American Airlines and Avianca are the top three most popular airlines that fly to Willemstad from Ontario according to our data. Copa Airlines is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Willemstad. Keep in mind that there are 5 different airlines that fly to Willemstad on a routine basis, so you have a few additional options to choose from.

When to book flights from Ontario to Willemstad

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Willemstad according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Ontario to Willemstad (ONT to CUR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Willemstad

Fastest flight time

11h 07m

Direct flights

None
The fastest flight from Ontario to Willemstad takes 11h 07m
There are no direct flights from Ontario to Willemstad. There are no popular flight routes from Ontario to Willemstad.
Search flight deals

Frequently asked questions about flying from Ontario to Willemstad

  • How far is Ontario to Willemstad Hato Int. by plane?

    Ontario and Willemstad Hato Int. are 3407.4 mi apart from one another. Typically, this will take 11h 07m by plane in normal conditions.

  • When did momondo last update prices for flights from Ontario Airport to Willemstad Hato Int. Airport?

    Prices for flights from Ontario Airport to Willemstad Hato Int. Airport were last updated today.

  • How old do you have to be to fly from Ontario Airport to Willemstad Hato Int. Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Willemstad Hato Int. Airport.

  • What documentation or ID do you need to fly to Willemstad Hato Int. Airport?

    The travel and health documents required for your trip to Willemstad Hato Int. Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Willemstad Hato Int. Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Willemstad?

It is quick and easy to find Ontario to Willemstad flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Willemstad that suits you.

Can I find flights from Ontario to Willemstad with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Willemstad from Ontario with this policy.

How can momondo help me find flights from Ontario to Willemstad?

momondo helps you find the best flight between Ontario and Willemstad by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Ontario to Willemstad right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Willemstad, momondo offers a useful price alert feature which will track prices for flights to Willemstad from Ontario and alert you when they change.

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Airlines are sorted and displayed according to clicks in the past 7 days on momondo
Copa Airlines
American Airlines
Avianca
Delta
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