Find flights
When to book
FAQs

Cheap flights from Ontario to Asuncion from C$ 752

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 16/12. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — ASU
3 Dec — 10 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Ontario to Asuncion

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to Asuncion
Explore the most affordable flight options available from Ontario to Asuncion. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 November 2025.

Sat 1/113:45 p.m.YYZ - ASU
2 stops36h 45mUnited Airlines
Mon 1/126:33 a.m.ASU - YYZ
2 stops38h 44mUnited Airlines
Deal found 1/11C$ 1,146
Tue 2/127:10 a.m.YUL - ASU
1 stop15h 01mCopa Airlines
Tue 9/126:33 a.m.ASU - YUL
1 stop19h 10mCopa Airlines
Deal found 2/11C$ 1,146
Mon 1/127:10 a.m.YUL - ASU
1 stop20h 20mCopa Airlines
Fri 5/126:33 a.m.ASU - YUL
1 stop19h 10mCopa Airlines
Deal found 31/10C$ 1,150
Mon 1/127:10 a.m.YUL - ASU
1 stop15h 01mCopa Airlines
Sun 7/121:45 a.m.ASU - YUL
1 stop23h 58mCopa Airlines
Deal found 2/11C$ 1,189
Mon 24/117:10 a.m.YUL - ASU
1 stop20h 20mCopa Airlines
Wed 10/126:33 a.m.ASU - YUL
1 stop19h 10mCopa Airlines
Deal found 1/11C$ 1,195
Mon 1/127:00 a.m.YUL - ASU
3 stops49h 15mMultiple Airlines
Wed 10/1211:05 a.m.ASU - YUL
2 stops46h 20mMultiple Airlines
Deal found 3/11C$ 1,369
Sun 23/118:00 a.m.YUL - ASU
2 stops43h 15mMultiple Airlines
Tue 9/128:25 a.m.ASU - YUL
1 stop36h 00mMultiple Airlines
Deal found 1/11C$ 1,372
Sun 23/1110:00 p.m.YUL - ASU
1 stop29h 15mMultiple Airlines
Mon 8/1211:35 a.m.ASU - YUL
2 stops38h 40mMultiple Airlines
Deal found 1/11C$ 1,400
Wed 26/1112:45 p.m.YUL - ASU
2 stops26h 55mMultiple Airlines
Tue 9/128:25 a.m.ASU - YUL
1 stop36h 00mMultiple Airlines
Deal found 1/11C$ 1,414
Mon 24/117:00 a.m.YUL - ASU
2 stops20h 15mMultiple Airlines
Tue 9/128:25 a.m.ASU - YUL
1 stop36h 00mMultiple Airlines
Deal found 1/11C$ 1,415
Tue 25/1112:45 p.m.YUL - ASU
2 stops26h 55mMultiple Airlines
Tue 9/128:25 a.m.ASU - YUL
1 stop36h 00mMultiple Airlines
Deal found 1/11C$ 1,418
Sun 30/1111:55 p.m.YYZ - ASU
1 stop27h 20mMultiple Airlines
Sun 7/1212:20 p.m.ASU - YYZ
2 stops36h 15mMultiple Airlines
Deal found 1/11C$ 1,496

Cheap flight deals from Ontario to Asuncion

Keep the following information in mind while searching for Ontario to Asuncion flight deals. Data was last updated 3 November 2025.

Round-trip from

C$ 1,146

One-way from

C$ 752

Popular in

December

Cheapest in

May

Average price

C$ 1,171
Copa Airlines
  • Copa Airlines
  • 2/12-9/12
  • 2 total stops
  • 34h 11m total
  • Ontario to Asuncion
Search Deals
16/12
  • 16/12
  • 3 total stops
  • 30h 45m total
  • Ontario to Asuncion
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (C$ 265 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 50 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Asuncion 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 629,999 searches. Data last updated 3 November 2025.
Use the filters below to find and compare flights from Ontario to Asuncion that are best for you.

Fly from

Ontario

Fly to

Asuncion

Route

Depart

Return

Price

MontrealAsuncion

YUL - ASU

YULASU

Montreal Pierre Elliott Trudeau Intl

Tue 2/12

7:10 a.m.-12:11 a.m.

1 stop15h 01m

Asuncion Silvio Pettirossi

Tue 9/12

6:33 a.m.-11:43 p.m.

1 stop19h 10m

C$ 1,146

MontrealAsuncion

YUL - ASU

YULASU

Montreal Pierre Elliott Trudeau Intl

Mon 1/12

7:10 a.m.-5:30 a.m.

1 stop20h 20m

Asuncion Silvio Pettirossi

Fri 5/12

6:33 a.m.-11:43 p.m.

1 stop19h 10m

C$ 1,150

MontrealAsuncion

YUL - ASU

YULASU

Montreal Pierre Elliott Trudeau Intl

Mon 1/12

7:10 a.m.-5:30 a.m.

1 stop20h 20m

Asuncion Silvio Pettirossi

Mon 8/12

6:33 a.m.-11:43 p.m.

1 stop19h 10m

C$ 1,195

MontrealAsuncion

YUL - ASU

YULASU

Montreal Pierre Elliott Trudeau Intl

Sun 18/1

7:35 a.m.-12:14 a.m.

1 stop14h 39m

Asuncion Silvio Pettirossi

Mon 16/2

6:42 a.m.-11:48 p.m.

1 stop19h 06m

C$ 1,255

MontrealAsuncion

YUL - ASU

YULASU

Montreal Pierre Elliott Trudeau Intl

Wed 14/1

7:35 a.m.-12:14 a.m.

1 stop14h 39m

Asuncion Silvio Pettirossi

Tue 17/2

4:11 a.m.-11:48 p.m.

1 stop21h 37m

C$ 1,306

TorontoAsuncion

YYZ - ASU

YYZASU

Toronto Pearson Intl

Sat 21/3

12:52 p.m.-11:30 a.m.

2 stops21h 38m

Asuncion Silvio Pettirossi

Sat 28/3

12:20 p.m.-4:15 p.m.

3 stops28h 55m

C$ 1,449

MontrealAsuncion

YUL - ASU

YULASU

Montreal Pierre Elliott Trudeau Intl

Tue 13/1

5:50 p.m.-3:20 p.m.

2 stops19h 30m

Asuncion Silvio Pettirossi

Sun 15/2

6:30 p.m.-8:35 p.m.

2 stops28h 05m

C$ 1,449

MontrealAsuncion

YUL - ASU

YULASU

Montreal Pierre Elliott Trudeau Intl

Tue 2/12

7:10 a.m.-3:20 p.m.

3 stops30h 10m

Asuncion Silvio Pettirossi

Tue 9/12

8:20 a.m.-12:15 a.m.

2 stops17h 55m

C$ 1,493

TorontoAsuncion

YYZ - ASU

YYZASU

Toronto Pearson Intl

Sun 30/11

11:55 p.m.-5:15 a.m.

1 stop27h 20m

Asuncion Silvio Pettirossi

Sun 7/12

12:20 p.m.-10:35 p.m.

2 stops36h 15m

C$ 1,496

TorontoAsuncion

YYZ - ASU

YYZASU

Toronto Pearson Intl

Sun 30/11

3:30 p.m.-5:30 a.m.

2 stops36h 00m

Asuncion Silvio Pettirossi

Sun 7/12

6:33 a.m.-4:05 p.m.

2 stops59h 32m

C$ 1,502

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/11

Showing 1-10 of 28 results
1
2
3

Best time to book a flight from Ontario to Asuncion

Have a flexible travel schedule? Discover the best time to fly to Asuncion 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 Asuncion

What is the cheapest month to book a flight from Region of Ontario to Asuncion?

Currently, June is the cheapest month in which you can book a flight from Region of Ontario to Asuncion (average of C$ 705). Flying from Region of Ontario to Asuncion in December is currently the most expensive (average of C$ 1,210). 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.

What is the cheapest time of day to fly from ON to ASU?

Find hourly flight availability from Ontario to Asuncion. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 3 November 2025.

One of the essential ways to save on airfare from Region of Ontario to Asuncion is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 21% on airfare.

How much does it cost to fly round-trip from Region of Ontario to Asuncion?

Related info for your journey

Find useful and relevant information for your journey from Ontario to Asuncion. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Asuncion from Ontario?

    Asuncion Silvio Pettirossi (ASU) is the airport you will fly into if you book a flight from Ontario to Asuncion. It is only a 12.6 km journey from Silvio Pettirossi (ASU) to Asuncion’s city centre.

  • How long is the flight from Region of Ontario to Asuncion?

    For as low as C$ 1,146, Copa Airlines can have you in Asuncion from Region of Ontario in 15h 01m. Airlines will cover a distance of 8026 km. Both multi-stop and direct flights can be found to your destination and back.

  • What are the most popular routes from Region of Ontario to Asuncion?

    When deciding which route to take from Region of Ontario to Asuncion consider Montreal Pierre Elliott Trudeau Intl - Asuncion Silvio Pettirossi, Toronto Pearson Intl - Asuncion Silvio Pettirossi or Toronto Island - Asuncion Silvio Pettirossi as they are the most popular.

  • Can I find deals for flights from Ontario to Asuncion that include hotel bookings?

    Yes. In addition to deals on Ontario to Asuncion flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Asuncion?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Asuncion.

  • Can I find deals for business class flights from Ontario to Asuncion?

    Yes. Cheapflights offers flight deals from Ontario to Asuncion 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 Region of Ontario to Asuncion?

    Currently, June is the cheapest month in which you can book a flight from Region of Ontario to Asuncion (average of C$ 705). Flying from Region of Ontario to Asuncion in December is currently the most expensive (average of C$ 1,210). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Asuncion

See prices for flight routes from nearby airports that may be better suited for you.
Pierre Elliott Trudeau Intl to Asuncion flights
Winnipeg to Asuncion flights
Pearson Intl to Asuncion flights
Vancouver Intl to Asuncion flights

Top 2 airlines flying from Ontario to Asuncion

Discover the top 2 airlines that operate flights from Ontario to Asuncion. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 3 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapestC$ 823AverageC$ 1,104FlexibilityNo cancel feeOn-time70%
Search Copa Airlines flights
AviancaCheapestC$ 928AverageC$ 1,046FlexibilityNo cancel feeOn-time71%
Search Avianca flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ontario to Asuncion?

Deals for Ontario to Asuncion flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Ontario to Asuncion?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Asuncion from Ontario.

Can Cheapflights find flights from Ontario to Asuncion with no change fees?

Yes, we can. To see specific flights from Ontario to Asuncion with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Ontario to Asuncion become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.