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Cheap flights from Quebec to Islip, NY from C$ 630

YUL — ISP
20 Sep — 27 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Quebec to Islip

Enter your travel dates to find the best prices.

Cheapest flights from Quebec to Islip

Fri 2/107:00 a.m. -
3 stops27h 26m
Fri 9/107:05 a.m. -
2 stops11h 07m
Deal found 18/8C$ 1,314
Sun 23/87:00 a.m. -
2 stops11h 06m
Sun 30/85:34 p.m. -
1 stop24h 41m
Deal found 18/8C$ 1,552
Fri 11/912:00 p.m. -
2 stops8h 59m
Sun 13/97:05 a.m. -
2 stops17h 32m
Deal found 16/8C$ 1,558
Thu 20/87:20 p.m. -
1 stop15h 10m
Sat 22/83:10 p.m. -
1 stop27h 05m
Deal found 16/8C$ 1,670
Fri 18/98:25 a.m. -
1 stop10h 10m
Fri 25/95:34 p.m. -
1 stop13h 41m
Deal found 16/8C$ 2,854

Find flight deals from Quebec to Islip

Round-trip from

C$ 1,314

One-way from

C$ 630

Popular in

July

Cheapest in

November

Average price

C$ 411
2/10-9/10
  • 2/10-9/10
  • 5 total stops
  • 38h 33m total
  • Quebec to Islip
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4/9
  • 4/9
  • 2 total stops
  • 27h 08m total
  • Quebec to Islip
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Highest demand for flights based on searches. 3% potential increase in price (C$ 22 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease (C$ 8 potential savings vs. average RT price).
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Average for round-trip flights in August 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Quebec to Islip that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealIslip

YUL Montreal Pierre Elliott Trudeau Intl - ISP Islip Long Island

YULISP

Montreal Pierre Elliott Trudeau Intl

Fri 2/10

7:00 a.m.-10:26 a.m.

3 stops27h 26m

Islip Long Island

Fri 9/10

7:05 a.m.-6:12 p.m.

2 stops11h 07m

C$ 1,314

MontrealIslip

YUL Montreal Pierre Elliott Trudeau Intl - ISP Islip Long Island

YULISP

Montreal Pierre Elliott Trudeau Intl

Fri 11/9

12:00 p.m.-8:59 p.m.

2 stops8h 59m

Islip Long Island

Sun 13/9

7:05 a.m.-12:37 a.m.

2 stops17h 32m

C$ 1,558
Quickest round-trip

MontrealIslip

YUL Montreal Pierre Elliott Trudeau Intl - ISP Islip Long Island

YULISP

Montreal Pierre Elliott Trudeau Intl

Fri 18/9

1:15 p.m.-6:35 p.m.

1 stop5h 20m

Islip Long Island

Fri 25/9

7:05 a.m.-6:55 p.m.

2 stops11h 50m

C$ 2,854
Cheapest one-way

MontrealIslip

YUL Montreal Pierre Elliott Trudeau Intl - ISP Islip Long Island

YULISP

Montreal Pierre Elliott Trudeau Intl

Fri 4/9

8:00 p.m.-7:09 p.m.

3 stops47h 09m

C$ 630
Quickest one-way

MontrealIslip

YUL Montreal Pierre Elliott Trudeau Intl - ISP Islip Long Island

YULISP

Montreal Pierre Elliott Trudeau Intl

Thu 27/8

3:15 p.m.-1:28 p.m.

3 stops22h 13m

C$ 666

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/8

Sorted by cheapest first

Best time to book a flight from Quebec to Islip

Have a flexible travel schedule? Discover the best time to fly to Islip from Quebec with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Quebec to Islip

No data available for this route at this time. Please check back soon.

Related info for your journey

  • What airport do you fly into for flights to Islip from Quebec?

    Islip Long Island (ISP), located 11.6 km from the city centre, is the airport you fly into when you book flights from Quebec to Islip.

  • What are the most popular routes from Quebec to Islip, New York?

    While some choose either Québec City - Islip Long Island or Ottawa - Islip Long Island, Montreal Pierre Elliott Trudeau Intl - Islip Long Island is the most popular route from Quebec to Islip, New York.

  • Can I find deals for flights from Quebec to Islip that include hotel bookings?

    Yes. In addition to deals on Quebec to Islip flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Quebec to Islip?

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

  • Can I find deals for business class flights from Quebec to Islip?

    Yes. Cheapflights offers flight deals from Quebec to Islip 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Quebec to Islip

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Why should you use Cheapflights to find cheap flight tickets from Quebec to Islip?

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Can Cheapflights find flights from Quebec to Islip with no change fees?

Yes, we can. To see specific flights from Quebec to Islip with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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Not ready to book yet? You can track prices for flights from Quebec to Islip on Cheapflights with our Price Alert feature and get notified when better prices are available.

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