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Cheap flights from Islip, New York to St. John's from $1,162

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Islip, New York to St. John's departing on 12/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Islip, New York to St. John's (ISP-ANU)

Cheap round-trip flights

Frontier Logo
10:16 am - 10:14 amISP-ANU
22h 58m2 stops
Frontier Logo
11:34 am - 12:11 amANU-ISP
13h 37m2 stops
$1,162Frontier
Find Deal
Fri, Dec 19 - Sat, Dec 27
Frontier Logo
10:16 am - 10:14 amISP-ANU
22h 58m2 stops
Frontier Logo
11:34 am - 12:11 amANU-ISP
13h 37m2 stops
$1,174Frontier
Find Deal
Fri, Dec 26 - Sat, Jan 3

Frontier flights from Islip, New York to St. John's, Saint John

Our best Frontier deals on Islip, New York to St. John's, Saint John flight tickets
Frontier
Dec 19
ISP10:16 amIslip Long Island
22h 58m
2 stops
ANU10:14 amSt. John's V.C. Bird Intl
Dec 27
ANU11:34 amSt. John's V.C. Bird Intl
13h 37m
2 stops
ISP12:11 amIslip Long Island
$1,162
Find similar
Frontier
Dec 26
ISP10:16 amIslip Long Island
22h 58m
2 stops
ANU10:14 amSt. John's V.C. Bird Intl
Jan 3
ANU11:34 amSt. John's V.C. Bird Intl
13h 37m
2 stops
ISP12:11 amIslip Long Island
$1,174
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Islip, New York to St. John's, Saint John 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, momondo users made 832,500 searches. Data last updated August 5, 2025.
Use the filters below to find and compare flights from Islip, New York to St. John's, Saint John that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

IslipSt. John's

ISP - ANU

ISPANU

Islip Long Island

Fri 12/19

10:16 am-10:14 am

2 stops22h 58m

St. John's V.C. Bird Intl

Sat 12/27

11:34 am-12:11 am

2 stops13h 37m

$1,162

IslipSt. John's

ISP - ANU

ISPANU

Islip Long Island

Fri 12/26

10:16 am-10:14 am

2 stops22h 58m

St. John's V.C. Bird Intl

Sat 1/3

11:34 am-12:11 am

2 stops13h 37m

$1,174

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to St. John's from

How to get the cheapest flight ticket from Islip, New York to St. John's, Saint John

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to St. John's, Saint John?

According to our data, Tuesday is the cheapest day to fly to St. John's, Saint John from Islip, New York. The lowest ticket price found for a Tuesday departure recently was $438. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to St. John's, Saint John on Friday is $472.

What is the cheapest time of day to depart on your flight to St. John's, Saint John?

Our data shows that the cheapest Islip, New York to St. John's, Saint John flights are usually those with departure times at noon. Our users have found flights to St. John's, Saint John at noon for as low as $248. Flights in the evening are often more expensive with an average ticket price of $507.

When to book flights from Islip, New York to St. John's, Saint John

Are you open to changing your travel dates? Check out the ideal times to fly from Islip, New York to St. John's, Saint John according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Islip, New York to St. John's, Saint John (ISP to ANU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Islip, New York to St. John's, Saint John

Best Price Found

$1,162

Fastest flight time

22h 58m

Direct flights

None

Airports in St. John's, Saint John

1 airport
The best flight deal from Islip, New York to St. John's, Saint John found on momondo in the last 72 hours is $1,162
The fastest flight from Islip, New York to St. John's, Saint John takes 22h 58m
There are no direct flights from Islip, New York to St. John's, Saint John. Popular non-direct route for this connection is Islip Long Island Airport - St. John's V.C. Bird Intl Airport.
There is 1 airport near St. John's, Saint John: St. John's V.C. Bird Intl (ANU)
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  • How far is Islip Long Island to St. John's V.C. Bird Intl by plane?

    There are 1765.3 mi between Islip Long Island and St. John's V.C. Bird Intl. By plane, this route typically takes 22h 58m.

  • When did momondo last update prices for flights from Islip Long Island Airport to St. John's V.C. Bird Intl Airport?

    Prices for flights from Islip Long Island Airport to St. John's V.C. Bird Intl Airport are updated daily.

  • How old do you have to be to fly from Islip Long Island Airport to St. John's V.C. Bird Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Islip Long Island Airport to St. John's V.C. Bird Intl Airport.

  • What documentation or ID do you need to fly to St. John's V.C. Bird Intl Airport?

    The necessary travel and health documents for your St. John's V.C. Bird Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Traveling to a place near St. John's?

Book flights to St. John's if you plan to visit one of these locations
English Harbour
Jolly Harbour
Falmouth

Why use momondo?

Why should I use momondo to find a flight deal from Islip to St. John's?

It is quick and easy to find Islip to St. John's flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to St. John's that suits you.

Can I find flights from Islip to St. John's with flexible booking policies on momondo?

Yes. All flights to St. John's from Islip on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Islip to St. John's?

Once you have performed a search for Islip to St. John's flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Islip to St. John's right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to St. John's from Islip. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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