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$89+ 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 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — BWI
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Islip to Maryland

Keep the following information in mind while searching for Islip to Maryland flight deals. Data was last updated June 12, 2025.

Round-trip from

$186
(Southwest)

One-way from

$89
(Southwest)

Popular in

December

Cheapest in

April

Average price

$227

Good round-trip deal

$324 or less

Good one-way deal

$187 or less
From Islip Long Island to Maryland
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One-way flight from Islip Long Island to Maryland
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Highest demand for flights based on searches. 16% potential increase in price ($47 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 June 2025
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Price to beat on a round-trip flight from Islip Long Island to Maryland.
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Price to beat on a one-way flight from Islip Long Island to Maryland.
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Find 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 June 12, 2025.

This Southwest deal was found by Cheapflights users on 6/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/411:55 amISP - BWI
Nonstop1h 15mSouthwest
Mon 10/63:45 pmBWI - ISP
Nonstop1h 05mSouthwest
Deal found 6/12$186
This Southwest deal was found by Cheapflights users on 6/10. 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 9/34:00 pmISP - DCA
1 stop6h 00mSouthwest
Wed 9/176:55 amDCA - ISP
1 stop6h 20mSouthwest
Deal found 6/10$255
This FlightHub deal was found by Cheapflights users on 6/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/45:05 pmISP - BWI
1 stop28h 43mFrontier
Mon 10/64:32 pmBWI - ISP
1 stop24h 05mFrontier
Deal found 6/12$266
This Frontier deal was found by Cheapflights users on 6/11. 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.
Wed 6/258:00 amISP - PHL
1 stop4h 23mFrontier
Sat 6/286:35 pmPHL - ISP
1 stop4h 17mFrontier
Deal found 6/11$298
This Mytrip deal was found by Cheapflights users on 6/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/162:55 pmISP - BWI
1 stop25h 43mMultiple Airlines
Sat 7/194:25 pmBWI - ISP
3 stops26h 34mMultiple Airlines
Deal found 6/12$461
This JetBlue Airways deal was found by Cheapflights users on 6/10. 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 JetBlue Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/147:30 amISP - DCA
1 stop7h 15mMultiple Airlines
Mon 8/188:00 pmDCA - ISP
1 stop15h 41mMultiple Airlines
Deal found 6/10$550
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/252:55 pmISP - PHL
2 stops31h 44mMultiple Airlines
Sun 6/296:20 amPHL - ISP
2 stops12h 39mMultiple Airlines
Deal found 6/10$602
This JetBlue deal was found by Cheapflights users on 6/10. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/131:21 pmISP - DCA
1 stop7h 38mJetBlue
Sun 6/157:00 amDCA - ISP
1 stop6h 43mJetBlue
Deal found 6/10$840

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 June 12, 2025.
Use the filters below to find and compare flights from Islip to Maryland that are best for you.

Fly from

Islip

Fly to

Maryland

Route

Depart

Return

Price

IslipBaltimore

ISP - BWI

ISPBWI

Islip Long Island

Sat 10/4

11:55 am-1:10 pm

Nonstop1h 15m

Baltimore/Washington

Mon 10/6

3:45 pm-4:50 pm

Nonstop1h 05m

$186

IslipWashington, D.C.

ISP - DCA

ISPDCA

Islip Long Island

Wed 9/3

4:00 pm-10:00 pm

1 stop6h 00m

Washington, D.C. Reagan-National

Wed 9/17

6:55 am-1:15 pm

1 stop6h 20m

$255

IslipBaltimore

ISP - BWI

ISPBWI

Islip Long Island

Sat 10/4

5:05 pm-9:48 pm

1 stop28h 43m

Baltimore/Washington

Mon 10/6

4:32 pm-4:37 pm

1 stop24h 05m

$266

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Wed 6/25

8:00 am-12:23 pm

1 stop4h 23m

Philadelphia

Sat 6/28

6:35 pm-10:52 pm

1 stop4h 17m

$298

IslipBaltimore

ISP - BWI

ISPBWI

Islip Long Island

Wed 7/16

2:55 pm-4:38 pm

1 stop25h 43m

Baltimore/Washington

Sat 7/19

4:25 pm-6:59 pm

3 stops26h 34m

$461

IslipWashington, D.C.

ISP - DCA

ISPDCA

Islip Long Island

Thu 8/14

7:30 am-2:45 pm

1 stop7h 15m

Washington, D.C. Reagan-National

Mon 8/18

8:00 pm-11:41 am

1 stop15h 41m

$550

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Wed 6/25

2:55 pm-10:39 pm

2 stops31h 44m

Philadelphia

Sun 6/29

6:20 am-6:59 pm

2 stops12h 39m

$602

IslipBaltimore

ISP - BWI

ISPBWI

Islip Long Island

Wed 8/20

6:05 am-7:20 am

Nonstop1h 15m

$89

IslipWashington, D.C.

ISP - DCA

ISPDCA

Islip Long Island

Sat 7/12

11:40 am-8:59 pm

1 stop9h 19m

$127

IslipBaltimore

ISP - BWI

ISPBWI

Islip Long Island

Fri 7/11

8:37 pm-9:33 am

1 stop12h 56m

$129

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 16 results
1
2

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, August is the cheapest month in which you can book a flight from Islip, New York to Maryland (average of $241). Flying from Islip, New York to Maryland in March is currently the most expensive (average of $290). 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 June 12, 2025.

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

Weekly flight availability from Islip, New York to Maryland

Explore weekly flight availability from Islip to Maryland. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 12, 2025.

The most flights from ISP to USMD are scheduled on a Monday (5 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (1 on average).

Rainfall in Maryland by month

Plan your trip to Maryland by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Maryland ranges from 2.9 - 4.1 inches per month. July is typically the wettest month, when rainfall can reach 4.1 in. February is typically the driest time to visit Maryland when rainfall is around 2.9 in.

Temperature in Maryland by month

Plan your trip to Maryland by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Maryland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

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 June 12, 2025.
Read through reviews of airlines operating flights from Islip to Maryland, such as Southwest, JetBlue and Frontier. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,287 reviews

Food

7.1

Overall

8.0

Comfort

8.0

Entertainment

7.6

Boarding

8.2

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Southwest
8.0
Very good
4,287 reviews
Southwest
8.0
Very good
4,287 reviews

Food

7.1

Overall

8.0

Comfort

8.0

Entertainment

7.6

Boarding

8.2

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
JetBlue
7.3
Good
2,925 reviews
Southwest
8.0
Very good
4,287 reviews

Food

7.1

Overall

8.0

Comfort

8.0

Entertainment

7.6

Boarding

8.2

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Frontier
5.9
Fair
3,295 reviews
Southwest
8.0
Very good
4,287 reviews

Food

7.1

Overall

8.0

Comfort

8.0

Entertainment

7.6

Boarding

8.2

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

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 6 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    One-way options have recently been found by users for as low as $89 on Southwest. Other airlines that offer cheap prices include JetBlue from $127 and Frontier from $129 one-way.

  • 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 $127. While the most popular route (Islip Long Island - Washington, D.C. Reagan-National) can be booked for $255 on average our data indicates $306 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, August is the cheapest month in which you can book a flight from Islip, New York to Maryland (average of $241). Flying from Islip, New York to Maryland in March is currently the most expensive (average of $290). 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$269Average$346FlexibilityNo cancel feeOn-time63%

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