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Cheap flights from Ontario to Nantucket from C$ 510

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 28/2. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — ACK
13 Feb — 20 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Nantucket

Keep the following information in mind while searching for Ontario to Nantucket flight deals. Data was last updated 14 January 2026.

Round-trip from

C$ 659

One-way from

C$ 510

Popular in

January

Cheapest in

March

Average price

C$ 421
Delta
  • Delta
  • 10/7-14/7
  • 2 total stops
  • 31h 13m total
  • Ontario to Nantucket
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28/2
  • 28/2
  • 1 total stop
  • 24h 40m 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 January 2026
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Find 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 14 January 2026.

Fri 10/77:45 p.m.
YUL
-
ACK
1 stop22h 20m
Delta
Tue 14/710:00 a.m.
ACK
-
YUL
1 stop8h 53m
Delta
Deal found 13/1C$ 659
Mon 24/86:08 p.m.
YYZ
-
ACK
2 stops19h 19m
Delta
Fri 28/82:10 p.m.
ACK
-
YYZ
1 stop8h 47m
Delta
Deal found 13/1C$ 680
Mon 24/82:55 p.m.
YTZ
-
ACK
2 stops19h 01m
United Airlines
Fri 28/84:15 p.m.
ACK
-
YTZ
2 stops26h 27m
United Airlines
Deal found 11/1C$ 1,034
Tue 30/65:55 a.m.
YOW
-
ACK
2 stops12h 10m
Delta
Fri 3/72:10 p.m.
ACK
-
YOW
2 stops34h 12m
Delta
Deal found 13/1C$ 1,159
Tue 30/66:00 a.m.
YOW
-
ACK
1 stop3h 56m
United Airlines
Fri 3/74:15 p.m.
ACK
-
YOW
1 stop5h 41m
United Airlines
Deal found 12/1C$ 1,488

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 14 January 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.-6:05 p.m.

1 stop22h 20m

Nantucket Memorial

Tue 14/7

10:00 a.m.-6:53 p.m.

1 stop8h 53m

C$ 659

OttawaNantucket

YOW - ACK

YOWACK

Ottawa

Tue 30/6

5:55 a.m.-6:05 p.m.

2 stops12h 10m

Nantucket Memorial

Fri 3/7

2:10 p.m.-12:22 a.m.

2 stops34h 12m

C$ 1,159

OttawaNantucket

YOW - ACK

YOWACK

Ottawa

Tue 30/6

6:00 a.m.-9:56 a.m.

1 stop3h 56m

Nantucket Memorial

Fri 3/7

4:15 p.m.-9:56 p.m.

1 stop5h 41m

C$ 1,488

TorontoNantucket

YTZ - ACK

YTZACK

Toronto Island

Sat 28/2

1:10 p.m.-1:50 p.m.

1 stop24h 40m

C$ 510

OttawaNantucket

YOW - ACK

YOWACK

Ottawa

Sat 28/2

8:40 a.m.-1:50 p.m.

2 stops29h 10m

C$ 550

TorontoNantucket

YYZ - ACK

YYZACK

Toronto Pearson Intl

Sat 28/2

8:20 p.m.-1:50 p.m.

2 stops17h 30m

C$ 739

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/1

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, January is the cheapest month in which you can book a flight from Region of Ontario to Nantucket (average of C$ 246). Flying from Region of Ontario to Nantucket in June is currently the most expensive (average of C$ 287). 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 3h 56m. The distance from Region of Ontario to Nantucket is about 641 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    The most popular flight routes from Region of Ontario to Nantucket are Montreal Pierre Elliott Trudeau Intl - Nantucket Memorial, Ottawa - Nantucket Memorial and Toronto Pearson Intl - 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, January is the cheapest month in which you can book a flight from Region of Ontario to Nantucket (average of C$ 246). Flying from Region of Ontario to Nantucket in June is currently the most expensive (average of C$ 287). 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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Alternative routes for Ontario to Nantucket

See prices for flight routes from nearby airports that may be better suited for you.
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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 Nantucket?

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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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!

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