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Islip

$89+ Cheap flights from Baltimore to Islip, NY (BWI - 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 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — ISP
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
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Cheap flight deals from Baltimore to Islip

Discover tips and strategies to find the most affordable flight options for your journey from Baltimore (BWI) to Islip (ISP). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated junio 12, 2025.

Round-trip from

$186
(Southwest)

One-way from

$89
(Southwest)

Popular in

January

Cheapest in

December

Average price

$352
From Baltimore/Washington to Islip Long Island
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One-way flight from Baltimore/Washington to Islip Long Island
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Highest demand for flights based on searches. 3% potential increase in price ($11 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Baltimore to Islip

Cheapest flights from Baltimore to Islip
Explore the most affordable flight options available from Baltimore to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 2025.

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.
mié. 8/202:00 pmBWI - ISP
Nonstop1h 10mSouthwest
mar. 8/266:05 amISP - BWI
Nonstop1h 15mSouthwest
Deal found 6/10$186
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/283:26 pmBWI - ISP
1 stop8h 33mFrontier
mar. 9/26:05 amISP - BWI
1 stop8h 03mFrontier
Deal found 6/10$251
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/96:25 amBWI - ISP
3 stops36h 34mMultiple Airlines
mié. 7/162:55 pmISP - BWI
1 stop25h 43mMultiple Airlines
Deal found 6/11$528

Cheapflights Fare Finder

Customize your flight search to find flights from Baltimore 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 junio 12, 2025.
Use the filters below to find and compare flights from Baltimore to Islip that are best for you.

Fly from

Baltimore

Fly to

Islip

Route

Depart

Return

Price

BaltimoreIslip

BWI - ISP

BWIISP

Baltimore/Washington

mié. 8/20

2:00 pm-3:10 pm

Nonstop1h 10m

Islip Long Island

mar. 8/26

6:05 am-7:20 am

Nonstop1h 15m

$186

BaltimoreIslip

BWI - ISP

BWIISP

Baltimore/Washington

jue. 8/28

3:26 pm-11:59 pm

1 stop8h 33m

Islip Long Island

mar. 9/2

6:05 am-2:08 pm

1 stop8h 03m

$251

BaltimoreIslip

BWI - ISP

BWIISP

Baltimore/Washington

mié. 7/9

6:25 am-6:59 pm

3 stops36h 34m

Islip Long Island

mié. 7/16

2:55 pm-4:38 pm

1 stop25h 43m

$528

BaltimoreIslip

BWI - ISP

BWIISP

Baltimore/Washington

mié. 10/8

3:00 pm-4:05 pm

Nonstop1h 05m

$89

BaltimoreIslip

BWI - ISP

BWIISP

Baltimore/Washington

jue. 9/11

10:45 pm-10:37 am

1 stop11h 52m

$138

BaltimoreIslip

BWI - ISP

BWIISP

Baltimore/Washington

dom. 8/10

1:16 pm-3:19 pm

1 stop26h 03m

$168

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Best time to book a flight from Baltimore to Islip

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

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

Currently, January is the cheapest month in which you can book a flight from Baltimore to Islip, New York (average of $108). Flying from Baltimore to Islip, New York 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 BWI to ISP?

Find hourly flight availability from Baltimore 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 junio 12, 2025.

When flying from Baltimore to Islip, New York, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 11% versus a flight at noon.

Rainfall in Islip by month

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

In terms of precipitation, rainfall in Islip, New York ranges from 3.3 - 4.4 inches per month. March is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Islip, New York when rainfall is around 3.3 in.

Temperature in Islip by month

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

If weather is an important factor for your trip to Islip, New York, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Islip

Get insights into the airlines that provide service to Islip. 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 Islip. Reviews last updated junio 12, 2025.
Read reviews from past customers who have flown Southwest and Frontier from Baltimore to Islip. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,287 reviews

Food

7.1

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.6

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

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.6

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

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.6

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 Baltimore to Islip. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Baltimore to Islip?

    If you book a flight from Baltimore to Islip, you will be flying from Baltimore/Washington to Long Island. Flights to Islip Long Island (ISP) from Baltimore/Washington (BWI) take 1h 10m for a nonstop flight. There are 3 flights from Baltimore/Washington to Islip per day from 1 airline.

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

    Within the past month, 2 users have taken a look at flights from Baltimore/Washington to Islip Long Island.

  • What are the cheapest airlines flying from Baltimore to Islip, New York round-trip?

    Our cheapest airline available from Baltimore to Islip, New York is Southwest. Our recent data shows that you can find tickets from as low as $186 on this airline. An additional option worth looking into is Frontier, starting at $251. Southwest is currently priced 51% below the average price you’ll pay for this route.

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

    Looking for the cheapest flight from Baltimore to Islip, New York? While on average our users pay $289, our data indicates the cheapest price to be $123. The most popular route (Baltimore/Washington - Islip Long Island), is priced around $186.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Baltimore to Islip, New York (average of $108). Flying from Baltimore to Islip, New York 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 Baltimore?

Book flights to Baltimore if you plan to visit one of these locations
Southampton
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Alternative routes for Baltimore 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 Baltimore to Islip

Discover the top airline that operate flights from Baltimore 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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$250Average$349FlexibilityNo cancel feeOn-time63%

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