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$2,973+ Cheap flights from Islip (ISP) to Québec City (YQB)

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 11/7. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — YQB
Nov 12 — Nov 191
Wed 11/12
Wed 11/19
1 adult, Economy
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Cheap flight deals from Islip to Québec City

Discover tips and strategies to find the most affordable flight options for your journey from Islip (ISP) to Québec City (YQB). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 13, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$2,973
(United)

Popular in

December

Cheapest in

April

Average price

$555
Provider with most accurate pricing for Islip Long Island-Québec City flight deals.
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Provider most trusted by Cheapflights users for Islip Long Island-Québec City flights.
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From Islip Long Island to Québec City
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($13 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Islip to Québec City

Cheapest flights from Islip to Québec City
Explore the most affordable flight options available from Islip to Québec City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 13, 2025.

This United deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/77:30 amISP - YQB
2 stops15h 17mMultiple Airlines
Tue 11/116:00 amYQB - ISP
2 stops13h 45mMultiple Airlines
Deal found 10/12$2,973

Cheapflights Fare Finder

 
Customize your flight search to find flights from Islip to Québec City 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 2,558,603 searches. Data last updated October 13, 2025.
Use the filters below to find and compare flights from Islip to Québec City that are best for you.

Fly from

Islip

Fly to

Québec City

Route

Depart

Return

Price

IslipQuébec City

ISP - YQB

ISPYQB

Islip Long Island

Fri 11/7

7:30 am-10:47 pm

2 stops15h 17m

Québec City

Tue 11/11

6:00 am-7:45 pm

2 stops13h 45m

$2,973

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/12

Compare providers for flights from Islip to Québec City

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Islip to Québec City in October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Islip-Québec City flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Islip-Québec City flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Islip-Québec City flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Islip-Québec City flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Islip-Québec City flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Islip to Québec City

Have a flexible travel schedule? Discover the best time to fly to Québec City 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 Québec City

What is the cheapest month to book a flight from Islip to Québec City?

Currently, April is the cheapest month in which you can book a flight from Islip to Québec City (average of $205). Flying from Islip to Québec City in September is currently the most expensive (average of $479). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Islip to Québec City. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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

  • How can I find direct flights from Islip to Québec City?

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

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

    Yes. Cheapflights offers flight deals from Islip to Québec City by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Islip to Québec City?

    Currently, April is the cheapest month in which you can book a flight from Islip to Québec City (average of $205). Flying from Islip to Québec City in September is currently the most expensive (average of $479). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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