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$391+ Cheap flights from Islip, NY to Birmingham, AL (ISP - BHM)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/11. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — BHM
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from Islip to Birmingham

Cheapest flights from Islip to Birmingham
Explore the most affordable flight options available from Islip to Birmingham. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This Southwest deal was found by Cheapflights users on 1/27. 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.
Wed 2/116:00 am
ISP
-
BHM
1 stop7h 00m
Southwest
Sun 2/153:15 pm
BHM
-
ISP
1 stop6h 25m
Southwest
Deal found 1/27$391
This Southwest deal was found by Cheapflights users on 1/26. 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.
Sat 1/3112:20 pm
ISP
-
BHM
1 stop8h 35m
Southwest
Sun 2/13:15 pm
BHM
-
ISP
1 stop6h 05m
Southwest
Deal found 1/26$845

Find flight deals from Islip to Birmingham

Discover tips and strategies to find the most affordable flight options for your journey from Islip (ISP) to Birmingham (BHM). 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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$391
(Southwest)

Popular in

March

Cheapest in

June

Average price

$392
Provider with most accurate pricing for Islip Long Island-Birmingham flight deals.
Search Deals
Provider most trusted by Cheapflights users for Islip Long Island-Birmingham flights.
Search Deals
From Islip Long Island to Birmingham
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($76 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Islip to Birmingham 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 January 29, 2026.
Use the filters below to find and compare flights from Islip to Birmingham that are best for you.

Fly from

Islip

Fly to

Birmingham

Route

Depart

Return

Price

IslipBirmingham

ISP - BHM

ISPBHM

Islip Long Island

Wed 2/11

6:00 am-12:00 pm

1 stop7h 00m

Birmingham

Sun 2/15

3:15 pm-10:40 pm

1 stop6h 25m

$391

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Compare providers for flights from Islip to Birmingham

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Islip to Birmingham in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Islip, New York-Birmingham, Alabama flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Islip, New York-Birmingham, Alabama flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Islip, New York-Birmingham, Alabama flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Islip, New York-Birmingham, Alabama flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Islip, New York-Birmingham, Alabama flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Islip to Birmingham

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

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

Currently, June is the cheapest month in which you can book a flight from Islip, New York to Birmingham, Alabama (average of $101). Flying from Islip, New York to Birmingham, Alabama in January is currently the most expensive (average of $228). 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.

Reviews of airlines servicing Birmingham

Get insights into the airlines that provide service to Birmingham. 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 Birmingham. Reviews last updated January 29, 2026.
Peruse reviews from past customers who have flown with Southwest from Islip to Birmingham to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,267 reviews

Overall

8.0

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,267 reviews
Southwest
8.0
Very good
4,267 reviews

Overall

8.0

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

Find useful and relevant information for your journey from Islip to Birmingham. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Islip, New York to Birmingham, Alabama?

    Departing from Islip, New York to Birmingham, Alabama will take you 7h. Islip, New York and Birmingham, Alabama are separated by a distance of 900 mi.

  • What is the cheapest airline to fly from Islip, New York to Birmingham, Alabama round-trip?

    Cheapflights users have booked flights from Islip, New York to Birmingham, Alabama round-trip from $186.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Islip to Birmingham 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 Birmingham, Alabama?

    Currently, June is the cheapest month in which you can book a flight from Islip, New York to Birmingham, Alabama (average of $101). Flying from Islip, New York to Birmingham, Alabama in January is currently the most expensive (average of $228). 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 Birmingham?

Book flights to Birmingham if you plan to visit one of these locations
Fultondale
Homewood
Bessemer
Hoover

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Top airline flying from Islip to Birmingham

Discover the top airline that operate flights from Islip to Birmingham. 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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$186Average$417FlexibilityNo cancel feeOn-time63%

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