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Cheap flights from Islip, NY to Quebec from C$ 541

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 2/7. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — YUL
13 Jun — 20 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Islip to Quebec

Enter your travel dates to find the best prices.

Cheapest flights from Islip to Quebec
Explore the most affordable flight options available from Islip to Quebec. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 May 2026.

Thu 4/67:25 a.m.
ISP
-
YUL
1 stop10h 50m
Multiple Airlines
Sun 7/66:45 a.m.
YUL
-
ISP
2 stops27h 20m
Multiple Airlines
Deal found 10/5C$ 915
Sat 25/79:00 a.m.
ISP
-
YUL
1 stop9h 15m
Multiple Airlines
Thu 30/77:20 p.m.
YUL
-
ISP
2 stops38h 38m
Multiple Airlines
Deal found 13/5C$ 1,080
Thu 25/610:00 a.m.
ISP
-
YUL
1 stop8h 15m
Multiple Airlines
Sat 27/67:00 a.m.
YUL
-
ISP
2 stops10h 29m
Multiple Airlines
Deal found 13/5C$ 1,086
Fri 12/67:00 a.m.
ISP
-
YUL
1 stop11h 15m
Multiple Airlines
Sun 14/66:45 a.m.
YUL
-
ISP
2 stops14h 12m
Multiple Airlines
Deal found 10/5C$ 1,107
Mon 6/710:00 a.m.
ISP
-
YUL
1 stop8h 15m
Multiple Airlines
Sat 11/76:45 a.m.
YUL
-
ISP
2 stops27h 18m
Multiple Airlines
Deal found 12/5C$ 1,208
Tue 9/67:26 a.m.
ISP
-
YUL
2 stops10h 49m
Multiple Airlines
Wed 10/66:50 p.m.
YUL
-
ISP
2 stops25h 25m
Multiple Airlines
Deal found 12/5C$ 1,710

Find flight deals from Islip to Quebec

Keep the following information in mind while searching for Islip to Quebec flight deals. Data was last updated 14 May 2026.

Round-trip from

C$ 915

One-way from

C$ 541

Popular in

December

Cheapest in

March

Average price

C$ 497
4/6-7/6
  • 4/6-7/6
  • 3 total stops
  • 38h 10m total
  • Islip to Quebec
Search Deals
2/7
  • 2/7
  • 3 total stops
  • 42h 19m total
  • Islip to Quebec
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 30 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Islip to Quebec 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 14 May 2026.
Use the filters below to find and compare flights from Islip to Quebec that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

IslipMontreal

ISP - YUL

ISPYUL

Islip Long Island

Thu 25/6

10:00 a.m.-6:15 p.m.

1 stop8h 15m

Montreal Pierre Elliott Trudeau Intl

Sat 27/6

7:00 a.m.-5:29 p.m.

2 stops10h 29m

C$ 1,086

IslipMontreal

ISP - YUL

ISPYUL

Islip Long Island

Fri 12/6

7:00 a.m.-6:15 p.m.

1 stop11h 15m

Montreal Pierre Elliott Trudeau Intl

Sun 14/6

6:45 a.m.-8:57 p.m.

2 stops14h 12m

C$ 1,107

IslipMontreal

ISP - YUL

ISPYUL

Islip Long Island

Thu 4/6

7:25 a.m.-6:15 p.m.

1 stop10h 50m

Montreal Pierre Elliott Trudeau Intl

Sun 7/6

7:20 p.m.-10:56 a.m.

1 stop15h 36m

C$ 1,114

IslipMontreal

ISP - YUL

ISPYUL

Islip Long Island

Mon 6/7

10:00 a.m.-6:15 p.m.

1 stop8h 15m

Montreal Pierre Elliott Trudeau Intl

Sat 11/7

6:45 a.m.-10:03 a.m.

2 stops27h 18m

C$ 1,208

IslipMontreal

ISP - YUL

ISPYUL

Islip Long Island

Tue 9/6

7:26 a.m.-6:15 p.m.

2 stops10h 49m

Montreal Pierre Elliott Trudeau Intl

Wed 10/6

6:50 p.m.-8:15 p.m.

2 stops25h 25m

C$ 1,710
Cheapest one-way
Quickest one-way

IslipMontreal

ISP - YUL

ISPYUL

Islip Long Island

Thu 2/7

7:49 p.m.-2:08 p.m.

3 stops42h 19m

C$ 541

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

Sorted by cheapest first

Best time to book a flight from Islip to Quebec

Have a flexible travel schedule? Discover the best time to fly to Quebec from Islip 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 Islip to Quebec
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 Islip to Quebec. 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 from for flights from Islip to Quebec?

    Located just 11.6 km from the city centre, Islip Long Island (ISP) is the airport most travellers will use when flying to Quebec from Islip.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Islip to Quebec 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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Alternative routes for Islip to Quebec

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Fly with Cheapflights

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How does Cheapflights help users find flights from Islip to Quebec?

When you search for this flight from Islip to Quebec, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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Yes! Cheapflights helps users easily find flights from Islip to Quebec with no change fees.

Can Cheapflights notify me if prices for flights from Islip to Quebec become cheaper?

Yes! Start tracking prices for Islip to Quebec flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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