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$107+ Cheap flights from Islip, NY (ISP) to Maryland

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 4/13. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — BWI
Apr 11 — Apr 181
Sat 4/11
Sat 4/18
1 adult, Economy
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Cheap flight deals from Islip to Maryland

Cheapest flights from Islip to Maryland
Explore the most affordable flight options available from Islip to Maryland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 12, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/9. 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.
Thu 4/234:07 pm
ISP
-
BWI
2 stops15h 55m
Frontier
Thu 4/3010:00 pm
BWI
-
ISP
1 stop11h 13m
Frontier
Deal found 3/9$261
This Southwest deal was found by Cheapflights users on 3/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/74:05 pm
ISP
-
BWI
Nonstop1h 20m
Southwest
Tue 4/145:15 pm
BWI
-
ISP
Nonstop1h 15m
Southwest
Deal found 3/10$263
This Southwest deal was found by Cheapflights users on 3/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/229:00 am
ISP
-
BWI
Nonstop1h 20m
Southwest
Mon 4/2710:20 pm
BWI
-
ISP
Nonstop1h 10m
Southwest
Deal found 3/10$272
This Kiwi.com deal was found by Cheapflights users on 3/8. 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 6/510:03 am
ISP
-
BWI
1 stop11h 01m
Multiple Airlines
Mon 6/83:29 pm
BWI
-
ISP
1 stop17h 39m
Multiple Airlines
Deal found 3/8$280
This Kiwi.com deal was found by Cheapflights users on 3/8. 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 5/2910:03 am
ISP
-
PHL
1 stop7h 04m
Multiple Airlines
Sun 5/318:01 pm
PHL
-
ISP
1 stop13h 07m
Multiple Airlines
Deal found 3/8$281
This Southwest deal was found by Cheapflights users on 3/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/238:35 am
ISP
-
BWI
Nonstop1h 20m
Southwest
Sat 4/2510:05 pm
BWI
-
ISP
Nonstop1h 15m
Southwest
Deal found 3/10$281
This Southwest deal was found by Cheapflights users on 3/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/104:30 pm
ISP
-
BWI
Nonstop1h 20m
Southwest
Mon 4/1310:20 pm
BWI
-
ISP
Nonstop1h 10m
Southwest
Deal found 3/10$286
This Kiwi.com deal was found by Cheapflights users on 3/8. 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.
Sat 5/911:57 am
ISP
-
BWI
2 stops12h 52m
Multiple Airlines
Sun 5/1010:00 pm
BWI
-
ISP
1 stop11h 13m
Multiple Airlines
Deal found 3/8$289
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 5/2910:03 am
ISP
-
BWI
1 stop22h 20m
Frontier
Sun 5/317:06 pm
BWI
-
ISP
2 stops14h 02m
Frontier
Deal found 3/9$290
This Southwest deal was found by Cheapflights users on 3/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/244:30 pm
ISP
-
BWI
Nonstop1h 20m
Southwest
Fri 4/247:10 pm
BWI
-
ISP
Nonstop1h 15m
Southwest
Deal found 3/10$291
This Kiwi.com deal was found by Cheapflights users on 3/10. 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.
Tue 5/122:03 pm
ISP
-
BWI
2 stops21h 28m
Multiple Airlines
Thu 5/1410:00 pm
BWI
-
ISP
1 stop11h 13m
Multiple Airlines
Deal found 3/10$293
This Kiwi.com deal was found by Cheapflights users on 3/10. 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 4/95:30 am
ISP
-
PHL
2 stops24h 01m
Frontier
Thu 4/1610:38 pm
PHL
-
ISP
1 stop10h 35m
Frontier
Deal found 3/10$296

Find flight deals from Islip to Maryland

Keep the following information in mind while searching for Islip to Maryland flight deals. Data was last updated March 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$261
(Kiwi.com)

One-way from

$95
(Kiwi.com)

Popular in

March

Cheapest in

April

Average price

$234

Good round-trip deal

$363 or less

Good one-way deal

$192 or less
Provider with most accurate pricing for New York (NYC)-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for New York (NYC)-Washington, D.C. (WAS) flights.
Search Deals
From Islip Long Island to Maryland
Search Deals
One-way flight from Islip Long Island to Maryland
Search Deals
High demand for flights, 4% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Islip Long Island to Maryland.
Search Deals
Price to beat on a one-way flight from Islip Long Island to Maryland.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Islip to Maryland 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 March 12, 2026.
Use the filters below to find and compare flights from Islip to Maryland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

IslipBaltimore

ISP - BWI

ISPBWI

Islip Long Island

Tue 4/7

9:00 am-10:20 am

Nonstop1h 20m

Baltimore/Washington

Tue 4/14

9:00 pm-10:10 pm

Nonstop1h 10m

$263

IslipBaltimore

ISP - BWI

ISPBWI

Islip Long Island

Mon 4/20

4:30 pm-5:50 pm

Nonstop1h 20m

Baltimore/Washington

Tue 4/21

12:40 pm-1:50 pm

Nonstop1h 10m

$272

IslipBaltimore

ISP - BWI

ISPBWI

Islip Long Island

Tue 5/12

6:30 am-7:50 am

Nonstop1h 20m

Baltimore/Washington

Thu 5/14

7:10 pm-8:25 pm

Nonstop1h 15m

$272

IslipBaltimore

ISP - BWI

ISPBWI

Islip Long Island

Wed 5/13

4:10 pm-5:30 pm

Nonstop1h 20m

Baltimore/Washington

Thu 5/14

7:10 pm-8:25 pm

Nonstop1h 15m

$272

IslipBaltimore

ISP - BWI

ISPBWI

Islip Long Island

Sat 5/16

6:00 am-7:20 am

Nonstop1h 20m

Baltimore/Washington

Tue 5/19

9:00 pm-10:10 pm

Nonstop1h 10m

$272

IslipBaltimore

ISP - BWI

ISPBWI

Islip Long Island

Tue 4/7

4:05 pm-5:25 pm

Nonstop1h 20m

Baltimore/Washington

Wed 4/8

10:45 am-11:55 am

Nonstop1h 10m

$281

IslipBaltimore

ISP - BWI

ISPBWI

Islip Long Island

Sat 5/9

4:40 pm-6:00 pm

Nonstop1h 20m

Baltimore/Washington

Sat 5/16

10:25 am-11:35 am

Nonstop1h 10m

$281

IslipBaltimore

ISP - BWI

ISPBWI

Islip Long Island

Fri 4/24

6:00 am-7:20 am

Nonstop1h 20m

Baltimore/Washington

Mon 4/27

10:40 am-11:50 am

Nonstop1h 10m

$286

IslipBaltimore

ISP - BWI

ISPBWI

Islip Long Island

Fri 4/10

4:30 pm-5:50 pm

Nonstop1h 20m

Baltimore/Washington

Mon 4/13

10:20 pm-11:30 pm

Nonstop1h 10m

$286

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Thu 4/9

5:30 am-5:31 am

2 stops24h 01m

Philadelphia

Thu 4/16

10:38 pm-9:13 am

1 stop10h 35m

$296

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/10

Showing 1-10 of 60 resultsSorted by cheapest first
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6

Best time to book a flight from Islip to Maryland

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

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

Currently, December is the cheapest month in which you can book a flight from Islip, New York to Maryland (average of $154). Flying from Islip, New York to Maryland in February is currently the most expensive (average of $649). 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 ISP to MD?

Find hourly flight availability from Islip to Maryland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 12, 2026.

It’s optimal to fly from Islip, New York to Maryland in the afternoon. By choosing this option you can save up to 20% on the cost of your flight, compared to a flight in the evening.

Reviews of airlines servicing Maryland

Get insights into the airlines that provide service to Maryland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Maryland. Reviews last updated March 12, 2026.
Get a feel of what it's like to fly with Southwest from Islip to Maryland by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,318 reviews

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Crew

8.6

Food

7.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..
Southwest
8.0
Very good
4,318 reviews
Southwest
8.0
Very good
4,318 reviews

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Crew

8.6

Food

7.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

Related info for your journey

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

    Located just 7.2 mi from the city center, Islip Long Island (ISP) is the airport most travelers will use when flying to Maryland from Islip.

  • How popular is this Islip, New York to Maryland flight route?

    The Islip Long Island to Maryland flight path was viewed by 18 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 Islip, New York to Maryland?

    A quick flight from Islip, New York to Maryland can take about 1h 20m. Southwest provides one of the quickest options available for as low as $263. There are 219 mi between Islip, New York and Maryland. This flight may include one or multiple stops.

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

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

  • What are the cheapest flights from Islip, New York to Maryland?

    Looking at all options, your cheapest flight can be booked for $118. While the most popular route (Islip Long Island - Washington, D.C. Reagan-National) can be booked for $327 on average, our data indicates $373 when flying from Islip, New York to Maryland.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Islip to Maryland 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, New York to Maryland?

    Currently, December is the cheapest month in which you can book a flight from Islip, New York to Maryland (average of $154). Flying from Islip, New York to Maryland in February is currently the most expensive (average of $649). 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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Top airline flying from Islip to Maryland

Discover the top airline that operate flights from Islip to Maryland. 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 March 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$242Average$353FlexibilityNo cancel feeOn-time63%

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