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Cheap flights from Ontario to Nantucket Island from C$ 759

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
19 Feb — 26 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Nantucket Island

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to Nantucket Island
Explore the most affordable flight options available from Ontario to Nantucket Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 January 2026.

Fri 10/76:00 a.m.
YUL
-
ACK
2 stops12h 05m
Delta
Tue 14/72:10 p.m.
ACK
-
YUL
2 stops25h 51m
Delta
Deal found 19/1C$ 759
Mon 24/86:00 a.m.
YYZ
-
ACK
1 stop7h 27m
Delta
Fri 28/81:45 p.m.
ACK
-
YYZ
1 stop19h 44m
Delta
Deal found 19/1C$ 773
Mon 24/812:25 p.m.
YTZ
-
ACK
2 stops27h 03m
United Airlines
Fri 28/84:15 p.m.
ACK
-
YTZ
2 stops26h 27m
United Airlines
Deal found 19/1C$ 1,116
Wed 26/87:15 a.m.
YTZ
-
ACK
2 stops8h 13m
United Airlines
Fri 28/84:15 p.m.
ACK
-
YTZ
2 stops17h 51m
United Airlines
Deal found 17/1C$ 1,192
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 18/1C$ 1,433
Fri 10/711:00 a.m.
YUL
-
ACK
1 stop4h 28m
United Airlines
Tue 14/74:15 p.m.
ACK
-
YUL
1 stop5h 25m
United Airlines
Deal found 19/1C$ 2,114

Find flight deals from Ontario to Nantucket Island

Keep the following information in mind while searching for Ontario to Nantucket Island flight deals. Data was last updated 20 January 2026.

Round-trip from

C$ 759

Popular in

January

Cheapest in

March

Average price

C$ 418
Delta
  • Delta
  • 10/7-14/7
  • 4 total stops
  • 37h 56m total
  • Ontario to Nantucket Island
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 38 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
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Nantucket Island 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 20 January 2026.
Use the filters below to find and compare flights from Ontario to Nantucket Island that are best for you.

Fly from

Ontario

Fly to

Nantucket Island

Route

Depart

Return

Price

MontrealNantucket

YUL - ACK

YULACK

Montreal Pierre Elliott Trudeau Intl

Fri 10/7

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

2 stops12h 05m

Nantucket Memorial

Tue 14/7

2:10 p.m.-4:01 p.m.

2 stops25h 51m

C$ 759

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$ 1,433

MontrealNantucket

YUL - ACK

YULACK

Montreal Pierre Elliott Trudeau Intl

Fri 10/7

11:00 a.m.-3:28 p.m.

1 stop4h 28m

Nantucket Memorial

Tue 14/7

4:15 p.m.-9:40 p.m.

1 stop5h 25m

C$ 2,114

Flights are sorted by cheapest round-trip flights first.

Deals found on 19/1

Best time to book a flight from Ontario to Nantucket Island

Have a flexible travel schedule? Discover the best time to fly to Nantucket Island 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 Island
No data available for this route at this time. Please check back soon.

Related info for your journey

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

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

    Delta and United Airlines can get you from Region of Ontario to Nantucket Island in just under 3h 56m. Your travel time can differ by up to 8h 09m. Region of Ontario and Nantucket Island are separated by a distance of 641 km. This flight may include one or multiple stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to Nantucket Island by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for Ontario to Nantucket Island

See prices for flight routes from nearby airports that may be better suited for you.
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How does Cheapflights help users find flights from Ontario to Nantucket Island?

Cheapflights makes it easy to find Ontario to Nantucket Island 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 Island?

Cheapflights helps you find that perfect flight to Nantucket Island from Ontario by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Certainly. Search results for flights to Nantucket Island from Ontario shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Ontario to Nantucket Island 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!

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