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$82+ 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 9/26. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — BWI
aug 28 — sept 41
R 8/28
R 9/4
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 juuli 29, 2026.

This Southwest deal was found by Cheapflights users on 7/29. 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.
N 8/2012:35 pm
ISP
-
BWI
Nonstop1h 15m
Southwest
E 8/248:25 am
BWI
-
ISP
Nonstop1h 15m
Southwest
Deal found 7/29$163
This Southwest deal was found by Cheapflights users on 7/26. 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.
L 8/223:15 pm
ISP
-
BWI
Nonstop1h 15m
Southwest
T 8/259:05 am
BWI
-
ISP
Nonstop1h 10m
Southwest
Deal found 7/26$195
This Southwest deal was found by Cheapflights users on 7/27. 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.
L 12/123:30 pm
ISP
-
BWI
Nonstop1h 20m
Southwest
E 12/143:10 pm
BWI
-
ISP
Nonstop1h 10m
Southwest
Deal found 7/27$197
This Southwest deal was found by Cheapflights users on 7/27. 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.
N 8/2012:35 pm
ISP
-
BWI
Nonstop1h 15m
Southwest
R 8/218:25 am
BWI
-
ISP
Nonstop1h 15m
Southwest
Deal found 7/27$231
This Kiwi.com deal was found by Cheapflights users on 7/28. 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.
E 9/145:43 pm
ISP
-
BWI
1 stop20h 28m
Frontier
K 9/169:27 am
BWI
-
ISP
1 stop7h 31m
Frontier
Deal found 7/28$260
This Southwest deal was found by Cheapflights users on 7/25. 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.
N 10/153:10 pm
ISP
-
BWI
Nonstop1h 15m
Southwest
P 10/189:10 am
BWI
-
ISP
Nonstop1h 10m
Southwest
Deal found 7/25$261
This Southwest deal was found by Cheapflights users on 7/27. 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.
L 9/1211:55 am
ISP
-
BWI
Nonstop1h 20m
Southwest
P 9/135:35 pm
BWI
-
ISP
Nonstop1h 10m
Southwest
Deal found 7/27$277
This Kiwi.com deal was found by Cheapflights users on 7/28. 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.
E 9/1411:52 am
ISP
-
BWI
2 stops20h 39m
Multiple Airlines
K 9/169:27 am
BWI
-
ISP
1 stop7h 31m
Multiple Airlines
Deal found 7/28$296
This Kiwi.com deal was found by Cheapflights users on 7/25. 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.
P 9/610:57 am
ISP
-
PHL
1 stop13h 02m
Frontier
N 9/107:15 am
PHL
-
ISP
1 stop9h 43m
Frontier
Deal found 7/25$299
This Kiwi.com deal was found by Cheapflights users on 7/26. 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.
N 9/105:43 pm
ISP
-
BWI
2 stops23h 03m
Frontier
E 9/149:32 pm
BWI
-
ISP
1 stop19h 26m
Frontier
Deal found 7/26$306
This JetBlue deal was found by Cheapflights users on 7/26. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
L 9/51:44 pm
ISP
-
DCA
1 stop6h 15m
JetBlue
K 9/94:35 pm
DCA
-
ISP
1 stop6h 47m
JetBlue
Deal found 7/26$311
This Kiwi.com deal was found by Cheapflights users on 7/26. 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.
N 9/105:43 pm
ISP
-
PHL
1 stop15h 22m
Frontier
N 9/173:30 pm
PHL
-
ISP
1 stop25h 28m
Frontier
Deal found 7/26$312

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 juuli 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$163
(Southwest)

One-way from

$82
(Southwest)

Popular in

March

Cheapest in

February

Average price

$216

Good round-trip deal

$344 or less

Good one-way deal

$190 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
Highest demand for flights based on searches. 14% potential increase in price ($38 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 juuli 29, 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

IslipBaltimore

ISP - BWI

ISPBWI

Islip Long Island

K 9/16

12:55 pm-2:10 pm

Nonstop1h 15m

Baltimore/Washington

L 9/19

7:35 pm-8:50 pm

Nonstop1h 15m

$163

IslipBaltimore

ISP - BWI

ISPBWI

Islip Long Island

E 9/14

4:05 pm-5:20 pm

Nonstop1h 15m

Baltimore/Washington

K 9/16

7:55 pm-9:10 pm

Nonstop1h 15m

$163

IslipBaltimore

ISP - BWI

ISPBWI

Islip Long Island

K 9/2

6:05 am-7:20 am

Nonstop1h 15m

Baltimore/Washington

N 9/3

8:25 am-9:40 am

Nonstop1h 15m

$163

IslipBaltimore

ISP - BWI

ISPBWI

Islip Long Island

L 12/12

3:30 pm-4:50 pm

Nonstop1h 20m

Baltimore/Washington

E 12/14

3:10 pm-4:20 pm

Nonstop1h 10m

$197

IslipBaltimore

ISP - BWI

ISPBWI

Islip Long Island

N 8/20

12:35 pm-1:50 pm

Nonstop1h 15m

Baltimore/Washington

R 8/21

8:25 am-9:40 am

Nonstop1h 15m

$231

IslipBaltimore

ISP - BWI

ISPBWI

Islip Long Island

E 8/24

4:05 pm-5:20 pm

Nonstop1h 15m

Baltimore/Washington

E 8/31

8:25 am-9:40 am

Nonstop1h 15m

$231
Quickest round-trip

IslipBaltimore

ISP - BWI

ISPBWI

Islip Long Island

N 10/1

5:40 pm-6:55 pm

Nonstop1h 15m

Baltimore/Washington

P 10/4

10:25 pm-11:35 pm

Nonstop1h 10m

$277

IslipWashington, D.C.

ISP - DCA

ISPDCA

Islip Long Island

L 9/5

10:16 am-7:59 pm

1 stop9h 43m

Washington, D.C. Reagan-National

K 9/9

4:35 pm-11:22 pm

1 stop6h 47m

$311

IslipWashington, D.C.

ISP - DCA

ISPDCA

Islip Long Island

L 8/29

10:06 am-7:59 pm

1 stop9h 53m

Washington, D.C. Reagan-National

T 9/1

3:20 pm-9:49 pm

1 stop6h 29m

$311

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

P 9/6

10:57 am-11:59 pm

1 stop13h 02m

Philadelphia

N 9/10

1:50 pm-10:28 am

2 stops20h 38m

$317

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Showing 1-10 of 59 resultsSorted by cheapest first
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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, January is the cheapest month in which you can book a flight from Islip, New York to Maryland (average of $255). 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 juuli 29, 2026.

It’s optimal to fly from Islip, New York to Maryland in the afternoon. By choosing this option you can save up to 21% on the cost of your flight, compared to a flight at noon.

How much does it cost to fly round-trip from Islip, New York to Maryland?

Airfare is below average for this route at the moment.
Islip, New York to Maryland flights typically cost between $381 and $655 in August.
The cheapest round-trip price found within the last 5 days was $163 on Southwest (Aug 20-Aug 24).

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 juuli 29, 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
4,229 reviews

Food

7.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Joseph,Sep 2023

LAX - BWI

The plane departure and arrival were on time. The crew was entertaining and professional at the same time. Baggage claim was efficient. Glad I flew on Southwest airlines.
Southwest
8.0
Very good
4,229 reviews
Southwest
8.0
Very good
4,229 reviews

Food

7.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Joseph,Sep 2023

LAX - BWI

The plane departure and arrival were on time. The crew was entertaining and professional at the same time. Baggage claim was efficient. Glad I flew on Southwest airlines.

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 24 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 15m. Southwest provides one of the quickest options available for as low as $163. 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 - Baltimore/Washington, Islip Long Island - Washington, D.C. Reagan-National 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 $130. While the most popular route (Islip Long Island - Baltimore/Washington) can be booked for $163 on average, our data indicates $355 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, January is the cheapest month in which you can book a flight from Islip, New York to Maryland (average of $255). 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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Alternative routes for Islip to Maryland

See prices for flight routes from nearby airports that may be better suited for you.
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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 juuli 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$255Average$397FlexibilityNo cancel feeOn-time63%

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