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Islip

$82+ Cheap flights from Maryland to Islip (ISP)

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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — ISP
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Maryland to Islip

Keep the following information in mind while searching for Maryland to Islip flight deals. Data was last updated September 11, 2025.

Round-trip from

$173
(Kiwi.com)

One-way from

$82
(Kiwi.com)

Popular in

December

Cheapest in

April

Average price

$177

Good round-trip deal

$341 or less

Good one-way deal

$306 or less
From Maryland to Islip Long Island
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One-way flight from Maryland to Islip Long Island
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Highest demand for flights based on searches. 20% potential increase in price ($54 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Maryland to Islip Long Island.
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Price to beat on a one-way flight from Maryland to Islip Long Island.
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Find flight deals from Maryland to Islip

Cheapest flights from Maryland to Islip
Explore the most affordable flight options available from Maryland to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/267:14 pmIAD - ISP
1 stop15h 41mFrontier
Sun 9/289:49 amISP - IAD
1 stop11h 30mFrontier
Deal found 9/9$173
This Frontier deal was found by Cheapflights users on 9/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/38:21 amBWI - ISP
1 stop8h 06mFrontier
Sun 10/59:49 amISP - BWI
1 stop10h 16mFrontier
Deal found 9/10$201
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/39:09 pmIAD - ISP
1 stop19h 14mFrontier
Sun 10/59:49 amISP - IAD
1 stop11h 35mFrontier
Deal found 9/9$227
This Frontier deal was found by Cheapflights users on 9/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/314:20 pmBWI - ISP
2 stops18h 17mFrontier
Sun 11/29:27 pmISP - BWI
1 stop11h 07mFrontier
Deal found 9/10$229
This Frontier deal was found by Cheapflights users on 9/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2210:16 pmPHL - ISP
1 stop12h 24mFrontier
Fri 10/1011:22 amISP - PHL
1 stop6h 10mFrontier
Deal found 9/11$231
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/258:52 pmBWI - ISP
1 stop13h 48mMultiple Airlines
Mon 9/295:05 pmISP - BWI
1 stop26h 42mMultiple Airlines
Deal found 9/10$241
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/89:14 pmPHL - ISP
1 stop23h 28mFrontier
Wed 10/154:58 pmISP - PHL
1 stop18h 28mFrontier
Deal found 9/10$243
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/149:11 pmBWI - ISP
1 stop13h 26mMultiple Airlines
Sun 11/169:27 pmISP - BWI
1 stop11h 23mMultiple Airlines
Deal found 9/10$256
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/259:37 pmBWI - ISP
1 stop13h 03mFrontier
Sat 9/275:05 pmISP - BWI
1 stop16h 18mFrontier
Deal found 9/10$260
This Frontier deal was found by Cheapflights users on 9/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2610:16 pmPHL - ISP
1 stop12h 39mFrontier
Sun 9/289:49 amISP - PHL
1 stop8h 14mFrontier
Deal found 9/10$260
This Frontier deal was found by Cheapflights users on 9/9. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/911:16 amPHL - ISP
1 stop9h 26mFrontier
Thu 10/169:49 amISP - PHL
1 stop8h 20mFrontier
Deal found 9/9$263
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/268:52 pmBWI - ISP
1 stop14h 03mMultiple Airlines
Tue 9/3011:25 amISP - BWI
1 stop28h 07mMultiple Airlines
Deal found 9/11$267

Cheapflights Fare Finder

 
Customize your flight search to find flights from Maryland to Islip 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 September 11, 2025.
Use the filters below to find and compare flights from Maryland to Islip that are best for you.

Fly from

Maryland

Fly to

Islip

Route

Depart

Return

Price

Washington, D.C.Islip

IAD - ISP

IADISP

Washington, D.C. Dulles Intl

Fri 9/26

7:14 pm-10:55 am

1 stop15h 41m

Islip Long Island

Sun 9/28

9:49 am-9:19 pm

1 stop11h 30m

$173

BaltimoreIslip

BWI - ISP

BWIISP

Baltimore/Washington

Fri 10/3

8:21 am-4:27 pm

1 stop8h 06m

Islip Long Island

Sun 10/5

9:49 am-8:05 pm

1 stop10h 16m

$201

PhiladelphiaIslip

PHL - ISP

PHLISP

Philadelphia

Mon 9/22

10:16 pm-10:40 am

1 stop12h 24m

Islip Long Island

Fri 10/10

11:22 am-5:32 pm

1 stop6h 10m

$231

BaltimoreIslip

BWI - ISP

BWIISP

Baltimore/Washington

Thu 9/25

8:52 pm-10:40 am

1 stop13h 48m

Islip Long Island

Mon 9/29

5:05 pm-7:47 pm

1 stop26h 42m

$241

PhiladelphiaIslip

PHL - ISP

PHLISP

Philadelphia

Wed 10/8

9:14 pm-8:42 pm

1 stop23h 28m

Islip Long Island

Wed 10/15

4:58 pm-11:26 am

1 stop18h 28m

$243

BaltimoreIslip

BWI - ISP

BWIISP

Baltimore/Washington

Fri 11/14

9:11 pm-10:37 am

1 stop13h 26m

Islip Long Island

Sun 11/16

9:27 pm-8:50 am

1 stop11h 23m

$256

BaltimoreIslip

BWI - ISP

BWIISP

Baltimore/Washington

Thu 9/25

9:37 pm-10:40 am

1 stop13h 03m

Islip Long Island

Sat 9/27

5:05 pm-9:23 am

1 stop16h 18m

$260

PhiladelphiaIslip

PHL - ISP

PHLISP

Philadelphia

Fri 9/26

10:16 pm-10:55 am

1 stop12h 39m

Islip Long Island

Sun 9/28

9:49 am-6:03 pm

1 stop8h 14m

$260

BaltimoreIslip

BWI - ISP

BWIISP

Baltimore/Washington

Fri 10/31

4:20 pm-10:37 am

2 stops18h 17m

Islip Long Island

Sun 11/2

9:27 pm-3:30 pm

2 stops18h 03m

$262

PhiladelphiaIslip

PHL - ISP

PHLISP

Philadelphia

Thu 10/9

11:16 am-8:42 pm

1 stop9h 26m

Islip Long Island

Thu 10/16

9:49 am-6:09 pm

1 stop8h 20m

$263

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 60 results
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Best time to book a flight from Maryland to Islip

Have a flexible travel schedule? Discover the best time to fly to Islip from Maryland 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 Maryland to Islip

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

Currently, January is the cheapest month in which you can book a flight from Maryland to Islip (average of $108). Flying from Maryland to Islip in November is currently the most expensive (average of $213). 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.

What is the cheapest time of day to fly from MD to ISP?

Find hourly flight availability from Maryland to Islip. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

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

Related info for your journey

Find useful and relevant information for your journey from Maryland to Islip. 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 Islip from Maryland?

    Islip Long Island (ISP), located 7.2 mi from the city center, is the airport you fly into when you book flights from Maryland to Islip.

  • How popular is this Maryland to Islip flight route?

    The Maryland to Islip Long Island flight path was viewed by 3 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Maryland to Islip?

    A quick flight from Maryland to Islip can take about 6h 22m. Frontier provides one of the quickest options available for as low as $289. Maryland and Islip are separated by a distance of 248 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Maryland to Islip one-way?

    For one-way options, check prices for Southwest. According to our data, you can fly for as low as $93. Users have also found prices from $113 and $113 on JetBlue and Frontier, respectively.

  • What are the most popular routes from Maryland to Islip?

    The most popular flight routes from Maryland to Islip are Baltimore/Washington - Islip Long Island, Washington, D.C. Dulles Intl - Islip Long Island and Washington, D.C. Reagan-National - Islip Long Island.

  • What are the cheapest flights from Maryland to Islip?

    While on average a flight from Maryland to Islip is generally $376, our data shows the cheapest flight currently is $108. When looking at the most popular route, (Baltimore/Washington - Islip Long Island), you can expect to pay $229 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Maryland 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.

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

    Currently, January is the cheapest month in which you can book a flight from Maryland to Islip (average of $108). Flying from Maryland to Islip in November is currently the most expensive (average of $213). 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

Traveling to a place near Islip?

Book flights to Islip if you plan to visit one of these locations
Riverhead
Southampton

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Alternative routes for Maryland to Islip

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Maryland to Islip

Discover the top airline that operate flights from Maryland to Islip. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$233Average$362FlexibilityNo cancel feeOn-time63%

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