In terms of precipitation, rainfall in Nantucket ranges from 40.0 - 110.0 mm per month. January is typically the wettest month, when rainfall can reach 110.0 mm. June is typically the driest time to visit Nantucket when rainfall is around 40.0 mm.

If weather is an important factor for your trip to Nantucket, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 19.0 C. Travellers hoping to avoid the cold should look outside of February, when temperatures are typically at their lowest (around 0.0 C).

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.

How far in advance should I book a flight from Region of Ontario to Nantucket?

To save on the cost of your flight from Region of Ontario to Nantucket, book at least 61 days before your planned departure. Booking around this time can save you about 114% on the cost of this flight compared to booking a flight leaving this week. We have found prices from C$ 402 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as C$ 790.

What is the cheapest month to fly from Region of Ontario to Nantucket?

March is one of the best times of the year to fly to Nantucket from Region of Ontario. Prices for March average C$ 379 per person but you can even find prices for as low as C$ 246. The most expensive prices can be found in the month of November. Opting for a March flight can save you 9% on your journey compared to booking in November

What is the cheapest time of day to fly from ON to ACK?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Region of Ontario to Nantucket as you normally would.

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.

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.

C$ 1,528+ Flights from Ontario to Nantucket

Cheap flight deals from Ontario to Nantucket

Popular in	November
Cheapest in	March
Average price	C$ 363

Highest demand for flights based on searches. 4% potential increase in price (C$ 26 potential increase over avg. RT price).

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Cheapest flight prices on average. 0% potential price decrease (C$ 5 potential savings vs. average RT price).

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Average for round-trip flights in September 2025

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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 15 September 2025.

Sat 20/96:55 a.m.YUL - ACK

3 stops24h 53mMultiple Airlines

Sat 27/91:45 p.m.ACK - YUL

3 stops29h 35mMultiple Airlines

Deal found 13/9C$ 1,528

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.

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Everything you need to know about your flight from Ontario to Nantucket

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Related info for your journey

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.
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.

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Alternative routes for Ontario to Nantucket

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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.

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Cheap flights from Ontario to Nantucket from C$ 1,528

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 20/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Ontario to Nantucket

Keep the following information in mind while searching for Ontario to Nantucket flight deals. Data was last updated 15 September 2025.

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Find flight deals from Ontario to Nantucket

Cheapest flights from Ontario to NantucketExplore 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 15 September 2025.

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 15 September 2025.

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.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Nantucket

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?

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

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

How can I find direct flights from Ontario to Nantucket?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Nantucket

See prices for flight routes from nearby airports that may be better suited for you.

Fly with Cheapflights

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How does Cheapflights help users find flights from Ontario to Nantucket?

Why should you use Cheapflights to find cheap flight tickets from Ontario to Nantucket?

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

Can Cheapflights notify me if prices for flights from Ontario to Nantucket become cheaper?

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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 15 September 2025.