$120 Cheap Flights from Islip (ISP) to Birmingham (BHM)

View $120 flight on Mon, Nov 17, 2025Opens in a new window

Popular airlines from MacArthur Airport (ISP) to Birmingham International Airport (BHM)

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Cheap Flights from Islip to Birmingham (ISP-BHM)

Prices were available within the past 7 days and start at $120 for one-way flights and $338 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Mon, Nov 17 - Mon, Nov 24
ISP
Islip
BHM
Birmingham
$338 Roundtrip, found 23 hours ago
$338
Roundtrip
found 23 hours ago
Select Southwest Airlines flight, departing Mon, Nov 17 from Islip to Birmingham, returning Mon, Nov 24, priced at $338 found 23 hours ago
Southwest Airlines
Mon, Nov 10 - Sat, Nov 15
ISP
Islip
BHM
Birmingham
$340 Roundtrip, found 4 days ago
$340
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Mon, Nov 10 from Islip to Birmingham, returning Sat, Nov 15, priced at $340 found 4 days ago
Southwest Airlines
Thu, Nov 6 - Thu, Nov 13
ISP
Islip
BHM
Birmingham
$343 Roundtrip, found 21 hours ago
$343
Roundtrip
found 21 hours ago
Select Southwest Airlines flight, departing Thu, Nov 6 from Islip to Birmingham, returning Thu, Nov 13, priced at $343 found 21 hours ago
Southwest Airlines
Sat, Jan 10 - Wed, Jan 14
ISP
Islip
BHM
Birmingham
$345 Roundtrip, found 6 days ago
$345
Roundtrip
found 6 days ago
Select Southwest Airlines flight, departing Sat, Jan 10 from Islip to Birmingham, returning Wed, Jan 14, priced at $345 found 6 days ago
Southwest Airlines
Tue, Nov 4 - Thu, Nov 13
ISP
Islip
BHM
Birmingham
$347 Roundtrip, found 4 days ago
$347
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Tue, Nov 4 from Islip to Birmingham, returning Thu, Nov 13, priced at $347 found 4 days ago
Southwest Airlines
Sat, Jan 10 - Wed, Jan 14
ISP
Islip
BHM
Birmingham
$350 Roundtrip, found 6 days ago
$350
Roundtrip
found 6 days ago
Select Southwest Airlines flight, departing Sat, Jan 10 from Islip to Birmingham, returning Wed, Jan 14, priced at $350 found 6 days ago
Southwest Airlines
Sat, Jan 10 - Wed, Jan 14
ISP
Islip
BHM
Birmingham
$355 Roundtrip, found 6 days ago
$355
Roundtrip
found 6 days ago
Select Southwest Airlines flight, departing Sat, Jan 10 from Islip to Birmingham, returning Wed, Jan 14, priced at $355 found 6 days ago
Southwest Airlines
Sat, Jan 10 - Wed, Jan 14
ISP
Islip
BHM
Birmingham
$357 Roundtrip, found 6 days ago
$357
Roundtrip
found 6 days ago
Select Southwest Airlines flight, departing Sat, Jan 10 from Islip to Birmingham, returning Wed, Jan 14, priced at $357 found 6 days ago
Southwest Airlines
Mon, Nov 17 - Mon, Nov 24
ISP
Islip
BHM
Birmingham
$359 Roundtrip, found 23 hours ago
$359
Roundtrip
found 23 hours ago
Select Southwest Airlines flight, departing Mon, Nov 17 from Islip to Birmingham, returning Mon, Nov 24, priced at $359 found 23 hours ago
Southwest Airlines
Mon, Nov 10 - Sat, Nov 15
ISP
Islip
BHM
Birmingham
$362 Roundtrip, found 4 days ago
$362
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Mon, Nov 10 from Islip to Birmingham, returning Sat, Nov 15, priced at $362 found 4 days ago

Alternative airports near Birmingham

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Birmingham Intl. BHM. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $404
BHM
Birmingham Intl.
CheapestClosest
Average driving time to city center8 min
Flights from $404

Frequently asked questions

How much does a flight from MacArthur Airport (ISP) to Birmingham Intl. Airport (BHM) cost?
Grab a cheap one-way flight from $120 or cheap return flight from $338 from MacArthur Airport (ISP) to Birmingham Intl. Airport (BHM) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from MacArthur Airport (ISP) to Birmingham Intl. Airport (BHM)?
Traveling in November is a great way to save, as it's the cheapest month for flights between ISP and BHM. You'll usually find the lowest fares during the off-season.
What is the cheapest airline that flies from MacArthur Airport (ISP) to Birmingham Intl. Airport (BHM)?
Use the filters on Expedia to compare airlines and find the most affordable carrier that'll take you from ISP to BHM. Then, sort your results by "Price (lowest to highest)" to pick up a good deal.
How many flights per day from MacArthur Airport (ISP) to Birmingham Intl. Airport (BHM)?
Nonstop flights from MacArthur Airport (ISP) to Birmingham Intl. Airport (BHM) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from ISP to BHM?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from MacArthur Airport (ISP) to Birmingham Intl. Airport (BHM)?
Select a flight from MacArthur Airport (ISP) to Birmingham Intl. Airport (BHM) that takes off before 3 PM to reduce the risk of delays and cancellations. Departures later than this are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from MacArthur Airport (ISP) to Birmingham Intl. Airport (BHM) last-minute?
Booking your plane ticket from ISP to BHM shortly before your trip is typically more expensive. However, if there's some wiggle room with your travel times and dates, you could snag a cheap last-minute fare.
Is it cheaper to book an ISP to BHM flight and hotel package?
Booking an ISP to BHM flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Choose from our impressive range of hotels and then add car rentals, flights and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from MacArthur Airport (ISP) to Birmingham Intl. Airport (BHM)?
Typically, it's possible to cancel or reschedule your ISP to BHM flight. However, for bookings made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
MacArthur
Destination airport
Birmingham Intl.
Airlines serving
Southwest Airlines
Roundtrip price
$337
Distance
900 mi

Book with confidence

Islip to Birmingham Flights

The cheapest times to fly from Islip to Birmingham

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Islip to Birmingham are during the month of November. You can find some of the cheapest flights from Islip to Birmingham with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Islip to Birmingham

Sunday is one of the best days to book for cheap flights from Islip to Birmingham: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Islip to Birmingham

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Islip to Birmingham in 2025. You can also book with separate airlines for your outbound and return journeys, from $120 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Islip to Birmingham flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Islip to Birmingham airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Islip to Birmingham Flights

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