Cheap Flights from Islip to Madrid
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Deals from
Islip
RatePunk searches hundreds of travel sites at once for deals on flights to Madrid
Prices updated 24 days ago
486,190 searches this week
171 airlines compared
80%+ AI score for best value
Fares are subject to change and may not be available for all dates. (Data last updated May 29, 2026.)
Today’s best flight deals from Islip to Madrid
Explore current cheapest deals departing from Islip to Madrid
Round trip
Sort by: Cheapest
September 19 - September 28
ISP - Madrid
$855
$906
Round trip
September 19 - September 21
ISP - Madrid
$891
$917
Round trip
August 11 - September 4
ISP - Madrid
$849
$920
Round trip
August 18 - September 4
ISP - Madrid
$863
$920
Round trip
September 30 - October 2
ISP - Madrid
$913
$921
Round trip
August 18 - September 13
ISP - Madrid
$862
$923
Round trip
August 25 - September 21
ISP - Madrid
$863
$934
Round trip
August 12 - September 4
ISP - Madrid
$844
$942
Round trip
September 23 - September 28
ISP - Madrid
$899
$945
Round trip
August 25 - September 4
ISP - Madrid
$874
$948
Round trip
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Route Intelligence — 486,190 Searches this Week
Insights for flights from Islip to Madrid
How much is a round trip from Islip to Madrid
Regular price: $714 - $1,576
Prices for flights from Islip to Madrid are currently within the regular range.
Regular prices for flights from Islip to Madrid typically range from $714 to $1576. The current lowest deal is $906 with Breeze Airways, for travel from Sep 19-Sep 28.
now $906
Low $714
High $1,576
The cheapest time to fly from Islip to Madrid
The cheapest month to fly from ISP to MAD is April, with a median price of $941. The most expensive month is July, with a median price of $1444. Prices are generally lower from April to June.
April
Flights from $941
July
Flights from $1,444
Direct flights from Islip to Madrid
Breeze Airways
JetBlue Airways
Frontier Airlines
Iberia Airlines
Last-minute flights going from Islip to Madrid
Fri, Jun 19
ISP - Madrid
Islip (ISP) - Madrid (MAD)
Frontier Airlines
$1,188
$1,284
One-way
Thu, Jul 2
ISP - Madrid
Islip (ISP) - Madrid (MAD)
Frontier Airlines
$998
$1,108
One-way
Thu, Jul 2
ISP - Madrid
Islip (ISP) - Madrid (MAD)
Frontier Airlines
$1,108
$1,219
One-way
Fri, Jul 10
ISP - Madrid
Islip (ISP) - Madrid (MAD)
Frontier Airlines
$1,030
$1,066
One-way
Wed, Jul 15
ISP - Madrid
Islip (ISP) - Madrid (MAD)
JetBlue Airways, Iberia Airlines
$969
$3,320
One-way
Fri, Jul 17
ISP - Madrid
Islip (ISP) - Madrid (MAD)
Breeze Airways
$1,006
$1,034
One-way
Biggest price drops on these dates for flights from Islip to Madrid
Sep 30 - Oct 2
$913 → $921
1%
Sep 19 - Sep 21
$891 → $917
3%
Jul 17 - Jul 23
$1,006 → $1,034
3%
Jul 10 - Jul 16
$1,030 → $1,066
3%
Popular Airports to fly from Islip to Madrid
Islip - Madrid route insights
💸 Price insights
Recent fares are below the typical level.
Recent fares from Islip to Madrid are below the typical level, with deals around $906.
📅 Best time to fly
April is historically the cheapest month to fly.
Historically, April is the cheapest month to fly from Islip to Madrid, with a median price of $941.
⏱️ Flight duration
Flights are typically 52h 15m long.
The typical flight duration from Islip to Madrid is 52 hours and 15 minutes, with connecting flights.
✈️ Airlines & availability
Connecting flights are available from multiple airlines.
Connecting flights to Madrid are available from Breeze Airways, JetBlue Airways, Frontier Airlines, and Iberia Airlines.
🏆 Airline highlight
Breeze Airways offers deals from Islip to Madrid.
Breeze Airways has offered 24 deals on connecting flights from Islip to Madrid recently.
🎯 Booking tip
Deals for this route are rare.
Deals for flights from Islip to Madrid are rare, with about 0.07 deals per day.
Islip main airports to depart from
Long Island MacArthur (ISP)
Long Island MacArthur Airport is a good option for flights to Madrid, offering competitive prices.
📍 ~10 km from Islip (reachable by car)
💸 Flights from ~$904
Madrid main airports to arrive at
Adolfo Suárez Madrid–Barajas (MAD)
Adolfo Suárez Madrid–Barajas Airport is the primary international airport serving Madrid, Spain, and a key arrival point.
📍 ~13 km from Madrid city center (reachable by public transport and car).
💸 Flights from ~$904
Airports nearby Madrid used as alternative
Valencia (VLC)
Consider Valencia for its excellent high-speed rail connection from Madrid and wide range of European routes.
📍 ~300 km from Madrid (reachable by high-speed train)
💸 Flights from ~$785
Barcelona–El Prat (BCN)
Barcelona is Spain's largest alternative hub, offering the most extensive international flight network.
📍 ~500 km from Madrid (reachable by high-speed train)
💸 Flights from ~$713
Málaga (AGP)
Málaga is a major international gateway with high flight volume and a direct high-speed rail connection.
📍 ~400 km from Madrid (reachable by high-speed train)
💸 Flights from ~$1090
Alicante–Elche (ALC)
Alicante–Elche offers strong high-speed rail connectivity from Madrid and significant international flights.
📍 ~360 km from Madrid (reachable by high-speed train)
💸 Flights from ~$790
Seville (SVQ)
Seville is a primary hub for Southern Spain with good domestic and European coverage via high-speed rail.
📍 ~400 km from Madrid (reachable by high-speed train)
💸 Flights from ~$944