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Cheap flights from Ontario to Nantucket from C$ 756

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — ACK
9 Mar — 16 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Nantucket

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to Nantucket
Explore the most affordable flight options available from Ontario to Nantucket. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 February 2026.

Fri 10/77:45 p.m.
YUL
-
ACK
1 stop20h 18m
Delta
Tue 14/712:01 p.m.
ACK
-
YUL
1 stop20h 42m
Delta
Deal found 2/2C$ 756
Mon 24/82:10 p.m.
YYZ
-
ACK
1 stop3h 55m
Delta
Fri 28/810:00 a.m.
ACK
-
YYZ
1 stop13h 22m
Delta
Deal found 3/2C$ 823
Fri 3/76:15 a.m.
YYZ
-
ACK
1 stop5h 06m
Delta
Wed 8/712:01 p.m.
ACK
-
YYZ
1 stop4h 02m
Delta
Deal found 2/2C$ 1,149
Mon 24/812:25 p.m.
YTZ
-
ACK
2 stops26h 22m
United Airlines
Fri 28/83:49 p.m.
ACK
-
YTZ
2 stops29h 45m
United Airlines
Deal found 2/2C$ 1,515

Find flight deals from Ontario to Nantucket

Keep the following information in mind while searching for Ontario to Nantucket flight deals. Data was last updated 7 February 2026.

Round-trip from

C$ 756

Popular in

January

Cheapest in

March

Average price

C$ 394
Delta
  • Delta
  • 10/7-14/7
  • 2 total stops
  • 41h 00m total
  • Ontario to Nantucket
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 39 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Nantucket 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 7 February 2026.
Use the filters below to find and compare flights from Ontario to Nantucket that are best for you.

Fly from

Ontario

Fly to

Nantucket

Route

Depart

Return

Price

MontrealNantucket

YUL - ACK

YULACK

Montreal Pierre Elliott Trudeau Intl

Fri 10/7

7:45 p.m.-4:03 p.m.

1 stop20h 18m

Nantucket Memorial

Tue 14/7

12:01 p.m.-8:43 a.m.

1 stop20h 42m

C$ 756

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

Best time to book a flight from Ontario to Nantucket

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

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

Currently, March is the cheapest month in which you can book a flight from Region of Ontario to Nantucket (average of C$ 242). Flying from Region of Ontario to Nantucket in June is currently the most expensive (average of C$ 283). 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 Nantucket. 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 Nantucket from Ontario?

    Nantucket Memorial (ACK) is the airport you will fly into if you book a flight from Ontario to Nantucket. It is only a 4.5 km journey from Memorial (ACK) to Nantucket’s city centre.

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

    Departing from Region of Ontario to Nantucket will take you 20h 18m. The distance from Region of Ontario to Nantucket is about 554 km.

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

    The most popular flight routes from Region of Ontario to Nantucket are Toronto Pearson Intl - Nantucket Memorial, Montreal Pierre Elliott Trudeau Intl - Nantucket Memorial and Toronto Island - Nantucket Memorial.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to Nantucket 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 Nantucket?

    Currently, March is the cheapest month in which you can book a flight from Region of Ontario to Nantucket (average of C$ 242). Flying from Region of Ontario to Nantucket in June is currently the most expensive (average of C$ 283). 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

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Cheapflights makes it easy to find Ontario to Nantucket flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

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 Nantucket from Ontario.

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

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

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