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Cheap flights from Ontario to Nantucket from C$ 385

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 8/8. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — ACK
27 Jul — 3 Aug1
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 June 2026.

Tue 25/87:44 p.m.
YUL
-
ACK
1 stop20h 13m
Delta
Thu 27/84:40 p.m.
ACK
-
YUL
2 stops25h 06m
Delta
Deal found 22/6C$ 656
Mon 31/86:00 a.m.
YYZ
-
ACK
1 stop9h 57m
Delta
Fri 4/94:40 p.m.
ACK
-
YYZ
1 stop4h 39m
Delta
Deal found 26/6C$ 682
Sat 11/74:18 p.m.
YYZ
-
ACK
1 stop20h 08m
American Airlines
Sat 18/73:15 p.m.
ACK
-
YYZ
1 stop20h 44m
American Airlines
Deal found 25/6C$ 684
Mon 24/86:00 a.m.
YYZ
-
ACK
1 stop5h 48m
Delta
Fri 28/84:40 p.m.
ACK
-
YYZ
1 stop7h 01m
Delta
Deal found 22/6C$ 718
Mon 24/82:15 p.m.
YYZ
-
ACK
1 stop19h 52m
American Airlines
Fri 28/83:41 p.m.
ACK
-
YYZ
1 stop18h 36m
American Airlines
Deal found 22/6C$ 719
Sat 11/77:30 a.m.
YYZ
-
ACK
1 stop6h 58m
United Airlines
Sat 18/73:14 p.m.
ACK
-
YYZ
1 stop7h 09m
United Airlines
Deal found 25/6C$ 725
Wed 8/77:27 a.m.
YYZ
-
ACK
1 stop6h 34m
American Airlines
Sat 11/75:11 p.m.
ACK
-
YYZ
1 stop18h 48m
American Airlines
Deal found 23/6C$ 729
Wed 26/89:30 a.m.
YUL
-
ACK
1 stop6h 27m
Delta
Fri 28/83:24 p.m.
ACK
-
YUL
2 stops32h 28m
Delta
Deal found 25/6C$ 820
Mon 31/86:05 a.m.
YOW
-
ACK
1 stop8h 58m
United Airlines
Fri 4/94:15 p.m.
ACK
-
YOW
1 stop6h 20m
United Airlines
Deal found 21/6C$ 839
Tue 25/86:00 a.m.
YUL
-
ACK
1 stop9h 03m
United Airlines
Thu 27/89:50 a.m.
ACK
-
YUL
1 stop21h 48m
United Airlines
Deal found 22/6C$ 850
Mon 31/88:55 p.m.
YYZ
-
ACK
1 stop12h 17m
United Airlines
Fri 4/94:15 p.m.
ACK
-
YYZ
2 stops14h 03m
United Airlines
Deal found 25/6C$ 866
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 25/6C$ 880

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 June 2026.

Round-trip from

C$ 656

One-way from

C$ 385

Popular in

April

Cheapest in

October

Average price

C$ 387
Delta
  • Delta
  • 25/8-27/8
  • 3 total stops
  • 45h 19m total
  • Ontario to Nantucket
Search Deals
American Airlines
  • American Airlines
  • 8/8
  • 1 total stop
  • 18h 15m total
  • Ontario to Nantucket
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (C$ 71 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 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 June 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

MontrealNantucket

YUL - ACK

YULACK

Montreal Pierre Elliott Trudeau Intl

Tue 25/8

6:51 p.m.-2:41 p.m.

2 stops19h 50m

Nantucket Memorial

Thu 27/8

4:40 p.m.-5:46 p.m.

2 stops25h 06m

C$ 656

TorontoNantucket

YYZ - ACK

YYZACK

Toronto Pearson Intl

Mon 31/8

6:00 a.m.-3:57 p.m.

1 stop9h 57m

Nantucket Memorial

Fri 4/9

4:40 p.m.-9:19 p.m.

1 stop4h 39m

C$ 682

TorontoNantucket

YYZ - ACK

YYZACK

Toronto Pearson Intl

Sat 11/7

4:18 p.m.-12:26 p.m.

1 stop20h 08m

Nantucket Memorial

Sat 18/7

3:15 p.m.-11:59 a.m.

1 stop20h 44m

C$ 684

TorontoNantucket

YYZ - ACK

YYZACK

Toronto Pearson Intl

Mon 24/8

6:00 a.m.-11:48 a.m.

1 stop5h 48m

Nantucket Memorial

Fri 28/8

4:40 p.m.-11:41 p.m.

1 stop7h 01m

C$ 718

TorontoNantucket

YYZ - ACK

YYZACK

Toronto Pearson Intl

Mon 24/8

2:15 p.m.-10:07 a.m.

1 stop19h 52m

Nantucket Memorial

Fri 28/8

3:41 p.m.-10:17 a.m.

1 stop18h 36m

C$ 719

TorontoNantucket

YYZ - ACK

YYZACK

Toronto Pearson Intl

Sat 11/7

7:30 a.m.-2:28 p.m.

1 stop6h 58m

Nantucket Memorial

Sat 18/7

3:14 p.m.-10:23 p.m.

1 stop7h 09m

C$ 725

TorontoNantucket

YYZ - ACK

YYZACK

Toronto Pearson Intl

Wed 8/7

7:27 a.m.-2:01 p.m.

1 stop6h 34m

Nantucket Memorial

Sat 11/7

5:11 p.m.-11:59 a.m.

1 stop18h 48m

C$ 729

MontrealNantucket

YUL - ACK

YULACK

Montreal Pierre Elliott Trudeau Intl

Wed 26/8

6:00 a.m.-2:41 p.m.

2 stops8h 41m

Nantucket Memorial

Fri 28/8

3:24 p.m.-11:52 p.m.

2 stops32h 28m

C$ 820

OttawaNantucket

YOW - ACK

YOWACK

Ottawa

Mon 31/8

6:05 a.m.-3:03 p.m.

1 stop8h 58m

Nantucket Memorial

Fri 4/9

4:15 p.m.-10:35 p.m.

1 stop6h 20m

C$ 839

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.-7:38 a.m.

1 stop21h 48m

C$ 850

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/6

Showing 1-10 of 39 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
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. 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 8h 58m. 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 Toronto Pearson Intl - Nantucket Memorial, Toronto Island - Nantucket Memorial and 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.

See more FAQs

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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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