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Cheap flights from Ontario to Nantucket Island from C$ 379

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 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — ACK
12 Jul — 19 Jul1
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 12 June 2026.

Tue 25/86:47 p.m.
YUL
-
ACK
2 stops19h 54m
Delta
Thu 27/84:40 p.m.
ACK
-
YUL
1 stop26h 14m
Delta
Deal found 9/6C$ 654
Wed 8/76:04 a.m.
YYZ
-
ACK
1 stop8h 37m
Delta
Thu 9/74:40 p.m.
ACK
-
YYZ
1 stop7h 04m
Delta
Deal found 9/6C$ 670
Sat 15/85:25 p.m.
YYZ
-
ACK
1 stop16h 40m
American Airlines
Wed 19/82:03 p.m.
ACK
-
YYZ
1 stop8h 57m
American Airlines
Deal found 9/6C$ 672
Fri 21/82:15 p.m.
YYZ
-
ACK
1 stop19h 06m
American Airlines
Wed 26/82:03 p.m.
ACK
-
YYZ
1 stop8h 57m
American Airlines
Deal found 8/6C$ 696
Fri 10/77:27 a.m.
YYZ
-
ACK
2 stops9h 13m
American Airlines
Fri 17/76:51 p.m.
ACK
-
YYZ
1 stop17h 16m
American Airlines
Deal found 9/6C$ 731
Mon 20/76:05 a.m.
YOW
-
ACK
1 stop4h 10m
United Airlines
Fri 24/73:44 p.m.
ACK
-
YOW
1 stop6h 21m
United Airlines
Deal found 10/6C$ 817
Mon 22/66:05 a.m.
YOW
-
ACK
1 stop3h 30m
United Airlines
Wed 24/610:13 a.m.
ACK
-
YOW
1 stop6h 25m
United Airlines
Deal found 7/6C$ 852
Wed 29/77:20 p.m.
YUL
-
ACK
1 stop15h 02m
Multiple Airlines
Sat 1/86:02 p.m.
ACK
-
YUL
1 stop24h 13m
Multiple Airlines
Deal found 10/6C$ 872
Tue 25/86:00 a.m.
YUL
-
ACK
1 stop9h 03m
United Airlines
Thu 27/89:50 a.m.
ACK
-
YUL
1 stop6h 20m
United Airlines
Deal found 8/6C$ 876
Sat 11/74:16 p.m.
YUL
-
ACK
1 stop20h 10m
American Airlines
Sat 18/72:30 p.m.
ACK
-
YUL
1 stop19h 24m
American Airlines
Deal found 11/6C$ 893
Wed 29/77:51 a.m.
YUL
-
ACK
1 stop4h 35m
American Airlines
Sat 1/85:11 p.m.
ACK
-
YUL
2 stops16h 43m
American Airlines
Deal found 11/6C$ 901
Mon 20/78:40 a.m.
YOW
-
ACK
2 stops29h 21m
American Airlines
Fri 24/712:56 p.m.
ACK
-
YOW
2 stops8h 24m
American Airlines
Deal found 10/6C$ 1,004

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 12 June 2026.

Round-trip from

C$ 654

One-way from

C$ 379

Popular in

April

Cheapest in

July

Average price

C$ 384
Delta
  • Delta
  • 25/8-27/8
  • 4 total stops
  • 52h 00m total
  • Ontario to Nantucket Island
Search Deals
Delta
  • Delta
  • 4/7
  • 1 total stop
  • 7h 17m total
  • Ontario to Nantucket Island
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (C$ 73 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 12 June 2026.
Use the filters below to find and compare flights from Ontario to Nantucket Island that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealNantucket

YUL - ACK

YULACK

Montreal Pierre Elliott Trudeau Intl

Tue 25/8

6:47 p.m.-2:41 p.m.

2 stops19h 54m

Nantucket Memorial

Thu 27/8

3:24 p.m.-11:30 p.m.

2 stops32h 06m

C$ 654

TorontoNantucket

YYZ - ACK

YYZACK

Toronto Pearson Intl

Wed 8/7

6:04 a.m.-2:41 p.m.

1 stop8h 37m

Nantucket Memorial

Thu 9/7

4:40 p.m.-11:44 p.m.

1 stop7h 04m

C$ 670

TorontoNantucket

YYZ - ACK

YYZACK

Toronto Pearson Intl

Sat 15/8

5:25 p.m.-10:05 a.m.

1 stop16h 40m

Nantucket Memorial

Wed 19/8

2:03 p.m.-11:00 p.m.

1 stop8h 57m

C$ 672

TorontoNantucket

YYZ - ACK

YYZACK

Toronto Pearson Intl

Fri 10/7

7:27 a.m.-4:40 p.m.

2 stops9h 13m

Nantucket Memorial

Fri 17/7

2:32 p.m.-11:13 p.m.

1 stop8h 41m

C$ 805
Quickest round-trip

OttawaNantucket

YOW - ACK

YOWACK

Ottawa

Mon 22/6

6:05 a.m.-9:35 a.m.

1 stop3h 30m

Nantucket Memorial

Wed 24/6

10:13 a.m.-4:38 p.m.

1 stop6h 25m

C$ 852

MontrealNantucket

YUL - ACK

YULACK

Montreal Pierre Elliott Trudeau Intl

Tue 25/8

6:00 a.m.-3:03 p.m.

1 stop9h 03m

Nantucket Memorial

Thu 27/8

9:50 a.m.-4:10 p.m.

1 stop6h 20m

C$ 876

MontrealNantucket

YUL - ACK

YULACK

Montreal Pierre Elliott Trudeau Intl

Wed 29/7

7:20 p.m.-10:22 a.m.

1 stop15h 02m

Nantucket Memorial

Sat 1/8

6:02 p.m.-6:15 p.m.

1 stop24h 13m

C$ 881

TorontoNantucket

YYZ - ACK

YYZACK

Toronto Pearson Intl

Wed 8/7

10:45 a.m.-3:04 p.m.

1 stop4h 19m

Nantucket Memorial

Thu 9/7

3:44 p.m.-6:18 a.m.

2 stops14h 34m

C$ 955

TorontoNantucket

YYZ - ACK

YYZACK

Toronto Pearson Intl

Sat 15/8

12:05 p.m.-9:12 a.m.

2 stops21h 07m

Nantucket Memorial

Wed 19/8

3:59 p.m.-6:18 a.m.

2 stops14h 19m

C$ 974

TorontoNantucket

YTZ - ACK

YTZACK

Toronto Island

Tue 21/7

12:25 p.m.-10:15 a.m.

2 stops21h 50m

Nantucket Memorial

Thu 23/7

3:44 p.m.-6:42 p.m.

2 stops26h 58m

C$ 1,050

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/6

Showing 1-10 of 32 resultsSorted by cheapest first
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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, American Airlines, and United Airlines can get you from Region of Ontario to Nantucket Island in just under 3h 30m. Your travel time can differ by up to 16h 24m. 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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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.

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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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