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Nantucket

$424+ Cheap flights from Ontario to Nantucket (ACK)

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 3/13. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — ACK
Feb 27 — Mar 61
Fri 2/27
Fri 3/6
1 adult, Economy
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Cheap flight deals from Ontario to Nantucket

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 January 28, 2026.

This Delta deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/106:00 am
YUL
-
ACK
2 stops12h 05m
Delta
Tue 7/142:10 pm
ACK
-
YUL
2 stops25h 51m
Delta
Deal found 1/26$562
This Delta deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/246:08 pm
YYZ
-
ACK
2 stops19h 19m
Delta
Fri 8/281:45 pm
ACK
-
YYZ
1 stop19h 44m
Delta
Deal found 1/25$583
This United Airlines deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/245:20 pm
YTZ
-
ACK
2 stops22h 08m
United Airlines
Fri 8/284:15 pm
ACK
-
YTZ
2 stops26h 27m
United Airlines
Deal found 1/25$757
This United Airlines deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/248:55 pm
YYZ
-
ACK
2 stops13h 01m
United Airlines
Fri 8/284:15 pm
ACK
-
YYZ
2 stops25h 35m
United Airlines
Deal found 1/25$807
This United Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1011:00 am
YUL
-
ACK
1 stop4h 28m
United Airlines
Tue 7/144:15 pm
ACK
-
YUL
1 stop5h 25m
United Airlines
Deal found 1/26$1,050
This United Airlines deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/306:00 am
YOW
-
ACK
1 stop3h 56m
United Airlines
Fri 7/34:15 pm
ACK
-
YOW
1 stop5h 41m
United Airlines
Deal found 1/25$1,174

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 January 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$562
(Delta)

One-way from

$424
(Mytrip)

Popular in

January

Cheapest in

March

Average price

$304
Provider with most accurate pricing for Toronto (YTO)-Boston Logan Intl flight deals.
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Provider most trusted by Cheapflights users for Toronto (YTO)-Boston Logan Intl flights.
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From Ontario to Nantucket Memorial
Search Deals
One-way flight from Ontario to Nantucket Memorial
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($20 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($4 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 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 2,558,603 searches. Data last updated January 28, 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 7/10

6:00 am-6:05 pm

2 stops12h 05m

Nantucket Memorial

Tue 7/14

2:10 pm-4:01 pm

2 stops25h 51m

$562

MontrealNantucket

YUL - ACK

YULACK

Montreal Pierre Elliott Trudeau Intl

Fri 7/10

11:00 am-3:28 pm

1 stop4h 28m

Nantucket Memorial

Tue 7/14

4:15 pm-9:40 pm

1 stop5h 25m

$1,050

OttawaNantucket

YOW - ACK

YOWACK

Ottawa

Tue 6/30

6:00 am-9:56 am

1 stop3h 56m

Nantucket Memorial

Fri 7/3

4:15 pm-9:56 pm

1 stop5h 41m

$1,174

OttawaNantucket

YOW - ACK

YOWACK

Ottawa

Fri 3/13

11:00 am-6:24 pm

2 stops7h 24m

$424

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

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 $177). Flying from Region of Ontario to Nantucket in June is currently the most expensive (average of $207). 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 2.8 mi journey from Memorial (ACK) to Nantucket’s city center.

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

    There are many flights that can get you from Region of Ontario to Nantucket in 3h 56m. Fly via Delta or United Airlines to get the fastest option. The distance from Region of Ontario to Nantucket is about 398 mi. This flight may include one or multiple stops.

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

    The most popular route from Region of Ontario to Nantucket is Ottawa - Nantucket Memorial. You may also consider Toronto Island - Nantucket Memorial or Montreal Pierre Elliott Trudeau 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, March is the cheapest month in which you can book a flight from Region of Ontario to Nantucket (average of $177). Flying from Region of Ontario to Nantucket in June is currently the most expensive (average of $207). 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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