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Cheap flights from Ontario to Nantucket from C$ 607

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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — ACK
26 Apr — 3 May1
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 27 March 2026.

Mon 31/86:15 a.m.
YYZ
-
ACK
1 stop7h 09m
Delta
Wed 2/91:45 p.m.
ACK
-
YYZ
1 stop9h 37m
Delta
Deal found 22/3C$ 754
Mon 8/66:05 a.m.
YOW
-
ACK
1 stop3h 30m
United Airlines
Mon 15/63:44 p.m.
ACK
-
YOW
1 stop6h 21m
United Airlines
Deal found 24/3C$ 787
Thu 11/66:00 a.m.
YYZ
-
ACK
1 stop8h 39m
Delta
Mon 15/64:40 p.m.
ACK
-
YYZ
1 stop7h 00m
Delta
Deal found 26/3C$ 787
Sun 21/66:25 a.m.
YOW
-
ACK
1 stop8h 04m
United Airlines
Thu 25/610:53 a.m.
ACK
-
YOW
1 stop5h 45m
United Airlines
Deal found 25/3C$ 837
Wed 22/710:45 a.m.
YYZ
-
ACK
1 stop4h 19m
United Airlines
Mon 27/73:44 p.m.
ACK
-
YYZ
1 stop6h 39m
United Airlines
Deal found 24/3C$ 843
Thu 20/87:55 a.m.
YUL
-
ACK
1 stop8h 58m
American Airlines
Sun 23/812:23 p.m.
ACK
-
YUL
2 stops21h 27m
American Airlines
Deal found 22/3C$ 888
Sun 6/910:45 a.m.
YYZ
-
ACK
1 stop4h 02m
United Airlines
Thu 10/93:49 p.m.
ACK
-
YYZ
1 stop6h 34m
United Airlines
Deal found 26/3C$ 898
Fri 5/66:00 p.m.
YTZ
-
ACK
1 stop18h 27m
Multiple Airlines
Sun 7/66:05 p.m.
ACK
-
YTZ
1 stop14h 52m
Multiple Airlines
Deal found 24/3C$ 917
Tue 18/86:00 a.m.
YOW
-
ACK
2 stops8h 47m
United Airlines
Wed 19/810:18 a.m.
ACK
-
YOW
1 stop5h 57m
United Airlines
Deal found 23/3C$ 931
Thu 20/89:28 a.m.
YUL
-
ACK
1 stop8h 37m
Delta
Sun 23/810:00 a.m.
ACK
-
YUL
1 stop8h 53m
Delta
Deal found 22/3C$ 996
Fri 8/56:05 p.m.
YTZ
-
ACK
2 stops19h 05m
Multiple Airlines
Fri 15/55:30 p.m.
ACK
-
YTZ
1 stop15h 27m
Multiple Airlines
Deal found 24/3C$ 1,224
Mon 8/66:55 a.m.
YOW
-
ACK
2 stops31h 44m
Delta
Mon 15/64:40 p.m.
ACK
-
YOW
2 stops31h 40m
Delta
Deal found 24/3C$ 1,424

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 27 March 2026.

Round-trip from

C$ 754

One-way from

C$ 607

Popular in

March

Cheapest in

October

Average price

C$ 419
Delta
  • Delta
  • 31/8-2/9
  • 2 total stops
  • 16h 46m total
  • Ontario to Nantucket
Search Deals
6/5
  • 6/5
  • 3 total stops
  • 25h 15m total
  • Ontario to Nantucket
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (C$ 35 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 March 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 27 March 2026.
Use the filters below to find and compare flights from Ontario to Nantucket that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoNantucket

YYZ - ACK

YYZACK

Toronto Pearson Intl

Mon 31/8

6:15 a.m.-1:24 p.m.

1 stop7h 09m

Nantucket Memorial

Wed 2/9

1:45 p.m.-11:22 p.m.

1 stop9h 37m

C$ 754

MontrealNantucket

YUL - ACK

YULACK

Montreal Pierre Elliott Trudeau Intl

Thu 20/8

7:55 a.m.-4:53 p.m.

1 stop8h 58m

Nantucket Memorial

Sun 23/8

12:23 p.m.-9:50 a.m.

2 stops21h 27m

C$ 888
Quickest round-trip

TorontoNantucket

YYZ - ACK

YYZACK

Toronto Pearson Intl

Sun 6/9

10:45 a.m.-2:47 p.m.

1 stop4h 02m

Nantucket Memorial

Thu 10/9

3:49 p.m.-10:23 p.m.

1 stop6h 34m

C$ 898

TorontoNantucket

YTZ - ACK

YTZACK

Toronto Island

Fri 5/6

6:00 p.m.-12:27 p.m.

1 stop18h 27m

Nantucket Memorial

Sun 7/6

6:05 p.m.-8:57 a.m.

1 stop14h 52m

C$ 917

OttawaNantucket

YOW - ACK

YOWACK

Ottawa

Tue 18/8

6:00 a.m.-2:47 p.m.

2 stops8h 47m

Nantucket Memorial

Wed 19/8

10:18 a.m.-4:15 p.m.

1 stop5h 57m

C$ 931

TorontoNantucket

YYZ - ACK

YYZACK

Toronto Pearson Intl

Fri 5/6

3:55 p.m.-12:27 p.m.

1 stop20h 32m

Nantucket Memorial

Sun 7/6

6:05 p.m.-12:00 p.m.

1 stop17h 55m

C$ 967

MontrealNantucket

YUL - ACK

YULACK

Montreal Pierre Elliott Trudeau Intl

Thu 20/8

9:28 a.m.-6:05 p.m.

1 stop8h 37m

Nantucket Memorial

Sun 23/8

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

1 stop8h 53m

C$ 996

OttawaNantucket

YOW - ACK

YOWACK

Ottawa

Sun 21/6

5:10 a.m.-2:29 p.m.

2 stops9h 19m

Nantucket Memorial

Thu 25/6

10:53 a.m.-4:38 p.m.

1 stop5h 45m

C$ 1,018

TorontoNantucket

YYZ - ACK

YYZACK

Toronto Pearson Intl

Mon 31/8

6:25 p.m.-2:47 p.m.

2 stops20h 22m

Nantucket Memorial

Wed 2/9

3:49 p.m.-10:23 p.m.

1 stop6h 34m

C$ 1,047

TorontoNantucket

YTZ - ACK

YTZACK

Toronto Island

Fri 8/5

6:05 p.m.-9:25 a.m.

1 stop15h 20m

Nantucket Memorial

Fri 15/5

5:30 p.m.-8:57 a.m.

1 stop15h 27m

C$ 1,345

Flights are sorted by cheapest round-trip flights first.

Deals found on 22/3

Showing 1-10 of 15 resultsSorted by cheapest first
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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$ 245). Flying from Region of Ontario to Nantucket in June is currently the most expensive (average of C$ 286). 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 4h 02m. The distance from Region of Ontario to Nantucket is about 827 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 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$ 245). Flying from Region of Ontario to Nantucket in June is currently the most expensive (average of C$ 286). 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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