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Cheap flights from Islip, New York to Bulgaria from $6,036

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Islip, New York to Bulgaria departing on 5/31. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Islip, New York to Bulgaria

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
12:30 pm - 1:35 pm
ISP
-
SOF
18h 05m
2 stops
Multiple Airlines Logo
12:55 pm - 11:05 am
SOF
-
ISP
29h 10m
2 stops
$6,036Multiple Airlines
dim., mai 31 - dim., juin 7

momondo Fare Finder

 
Customize your flight search to find flights from Islip, New York to Bulgaria 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, momondo users made 832,500 searches. Data last updated février 23, 2026.
Use the filters below to find and compare flights from Islip, New York to Bulgaria that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

IslipSofia

ISP - SOF

ISPSOF

Islip Long Island

dim. 5/31

12:30 pm-1:35 pm

2 stops18h 05m

Sofia

dim. 6/7

12:55 pm-11:05 am

2 stops29h 10m

$6,036

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Bulgaria from

How to get the cheapest flight ticket from Islip, New York to Bulgaria

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What airlines fly to Bulgaria?

United Airlines, Lufthansa and Turkish Airlines are the top three most popular airlines that fly to Bulgaria from Islip, New York according to our data. United Airlines is the first choice among our users, with 36% of people opting to fly with this airline when traveling to Bulgaria. Keep in mind that there are 12 different airlines that fly to Bulgaria on a routine basis, so you have a few additional options to choose from.

Cheap Islip, New York to Bulgaria flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Islip, New York to Bulgaria

Fastest flight time

18h 05m

Direct flights

None
The fastest flight from Islip, New York to Bulgaria takes 18h 05m
There are no direct flights from Islip, New York to Bulgaria. There are no popular flight routes from Islip, New York to Bulgaria.
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  • When did momondo last update prices for flights from Islip Long Island Airport to Bulgaria?

    Prices for flights from Islip Long Island Airport to Bulgaria are updated daily.

  • How old do you have to be to fly from Islip Long Island Airport to Bulgaria?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Islip Long Island Airport to Bulgaria.

  • What documentation or ID do you need to fly to Bulgaria?

    The necessary travel and health documents for your Bulgaria trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Islip to Bulgaria?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Islip to Bulgaria. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Islip to Bulgaria with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Bulgaria from Islip with this policy.

How can momondo help me find flights from Islip to Bulgaria?

momondo provides multiple filters to help you find the best flight to Bulgaria from Islip. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Islip to Bulgaria right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Islip to Bulgaria flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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1 adult
mer. 3/25
mer. 4/1
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