Cheap flights from Madrid to Duck Key from CA $380

View CA $380 flight on Mon, Nov. 17, 2025Opens in a new window

Popular airlines from Madrid to Duck Key

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Cheap flights from Madrid (MAD) to Duck Key (MIA)

Prices were available within the past 7 days and start at CA $380 for one-way flights and CA $642 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

TAP Portugal
Sun, Feb. 1 - Sun, Feb. 15
MAD
Madrid
MIA
Miami
CA $642 Roundtrip, found 1 day ago
CA $642
Roundtrip
found 1 day ago
Select TAP Portugal flight, departing Sun, Feb. 1 from Madrid to Miami, returning Sun, Feb. 15, priced at CA $642 found 1 day ago
Air Europa
Sun, Feb. 1 - Fri, Feb. 13
MAD
Madrid
MIA
Miami
CA $655 Roundtrip, found 1 day ago
CA $655
Roundtrip
found 1 day ago
Select Air Europa flight, departing Sun, Feb. 1 from Madrid to Miami, returning Fri, Feb. 13, priced at CA $655 found 1 day ago
British Airways
Thu, Nov. 6 - Wed, Nov. 12
MAD
Madrid
MIA
Miami
CA $655 Roundtrip, found 2 days ago
CA $655
Roundtrip
found 2 days ago
Select British Airways flight, departing Thu, Nov. 6 from Madrid to Miami, returning Wed, Nov. 12, priced at CA $655 found 2 days ago
Scandinavian Airlines
Sun, Feb. 1 - Fri, Feb. 13
MAD
Madrid
MIA
Miami
CA $717 Roundtrip, found 1 day ago
CA $717
Roundtrip
found 1 day ago
Select Scandinavian Airlines flight, departing Sun, Feb. 1 from Madrid to Miami, returning Fri, Feb. 13, priced at CA $717 found 1 day ago
ITA Airways
Thu, Nov. 6 - Wed, Nov. 12
MAD
Madrid
MIA
Miami
CA $732 Roundtrip, found 2 days ago
CA $732
Roundtrip
found 2 days ago
Select ITA Airways flight, departing Thu, Nov. 6 from Madrid to Miami, returning Wed, Nov. 12, priced at CA $732 found 2 days ago
Royal Air Maroc
Tue, Sep. 9 - Wed, Sep. 17
MAD
Madrid
MIA
Miami
CA $805 Roundtrip, found 3 days ago
CA $805
Roundtrip
found 3 days ago
Select Royal Air Maroc flight, departing Tue, Sep. 9 from Madrid to Miami, returning Wed, Sep. 17, priced at CA $805 found 3 days ago

Find the cheapest month to fly from Madrid (MAD) to Miami (MIA)

February is typically the cheapest month to fly

From CA $551 - CA $691 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.