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$422+ 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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — BHM
Sep 11 — Sep 181
Fri 9/11
Fri 9/18
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 August 12, 2026.

This Southwest deal was found by Cheapflights users on 8/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/41:15 pm -
2 stops7h 55m
Mon 9/77:30 am -
2 stops13h 40m
Deal found 8/9$422
This Southwest deal was found by Cheapflights users on 8/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1012:20 pm -
2 stops9h 35m
Mon 10/126:45 pm -
1 stop3h 50m
Deal found 8/8$503
This KAYAK deal was found by Cheapflights users on 8/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/23:02 pm -
1 stop6h 16m
Mon 10/54:18 pm -
1 stop18h 02m
Deal found 8/11$528
This Southwest deal was found by Cheapflights users on 8/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1210:55 am -
1 stop6h 50m
Wed 8/197:25 am -
1 stop6h 30m
Deal found 8/11$817
This KAYAK deal was found by Cheapflights users on 8/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/213:02 pm -
1 stop6h 16m
Mon 12/284:18 pm -
3 stops17h 40m
Deal found 8/11$863

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 August 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$422
(Southwest)

Popular in

December

Cheapest in

September

Average price

$399
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. 9% potential increase in price ($50 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 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 August 12, 2026.
Use the filters below to find and compare flights from Islip to Birmingham that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

IslipBirmingham

ISP Islip Long Island - BHM Birmingham

ISPBHM

Islip Long Island

Fri 9/4

1:15 pm-8:10 pm

2 stops7h 55m

Birmingham

Mon 9/7

7:30 am-10:10 pm

2 stops13h 40m

$422
Quickest round-trip

IslipBirmingham

ISP Islip Long Island - BHM Birmingham

ISPBHM

Islip Long Island

Sat 10/10

12:20 pm-8:55 pm

2 stops9h 35m

Birmingham

Mon 10/12

6:45 pm-11:35 pm

1 stop3h 50m

$503

IslipBirmingham

ISP Islip Long Island - BHM Birmingham

ISPBHM

Islip Long Island

Fri 10/2

3:02 pm-8:18 pm

1 stop6h 16m

Birmingham

Mon 10/5

4:18 pm-11:20 am

1 stop18h 02m

$528

IslipBirmingham

ISP Islip Long Island - BHM Birmingham

ISPBHM

Islip Long Island

Mon 12/21

3:02 pm-8:18 pm

1 stop6h 16m

Birmingham

Mon 12/28

4:18 pm-10:58 am

3 stops17h 40m

$863

IslipBirmingham

ISP Islip Long Island - BHM Birmingham

ISPBHM

Islip Long Island

Sat 10/10

12:00 pm-3:38 pm

3 stops52h 38m

Birmingham

Mon 10/12

8:58 pm-11:20 am

3 stops37h 22m

$1,008
Cheapest one-way
Quickest one-way

IslipBirmingham

ISP Islip Long Island - BHM Birmingham

ISPBHM

Islip Long Island

Sun 10/11

5:28 pm-8:18 pm

3 stops27h 50m

$491

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/9

Sorted by cheapest first

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 August.
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.

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 August 12, 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
4,218 reviews

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Food

7.0

Overall

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
Southwest
8.0
Very good
4,218 reviews
Southwest
8.0
Very good
4,218 reviews

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Food

7.0

Overall

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.

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 6h 16m. Islip, New York and Birmingham, Alabama are separated by a distance of 900 mi. This flight may include one or multiple stops.

  • 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.

See more FAQs

Traveling to a place near Birmingham?

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

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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 August 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$186Average$398FlexibilityNo cancel feeOn-time63%

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