Cheap flights from Madrid to Duck Key from CA $476

View CA $476 flight on Tue, Jan. 27, 2026Opens 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 $476 for one-way flights and CA $507 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scandinavian Airlines
Fri, Jan. 30 - Fri, Feb. 6
MAD
Madrid
MIA
Miami
CA $507 Roundtrip, found 5 days ago
CA $507
Roundtrip
found 5 days ago
Select Scandinavian Airlines flight, departing Fri, Jan. 30 from Madrid to Miami, returning Fri, Feb. 6, priced at CA $507 found 5 days ago
TAP Portugal
Fri, Jan. 30 - Fri, Feb. 6
MAD
Madrid
MIA
Miami
CA $644 Roundtrip, found 5 days ago
CA $644
Roundtrip
found 5 days ago
Select TAP Portugal flight, departing Fri, Jan. 30 from Madrid to Miami, returning Fri, Feb. 6, priced at CA $644 found 5 days ago
British Airways
Wed, Mar. 11 - Mon, Mar. 16
MAD
Madrid
MIA
Miami
CA $656 Roundtrip, found 9 hours ago
CA $656
Roundtrip
found 9 hours ago
Select British Airways flight, departing Wed, Mar. 11 from Madrid to Miami, returning Mon, Mar. 16, priced at CA $656 found 9 hours ago
British Airways
Wed, Mar. 11 - Mon, Mar. 16
MAD
Madrid
MIA
Miami
CA $656 Roundtrip, found 9 hours ago
CA $656
Roundtrip
found 9 hours ago
Select British Airways flight, departing Wed, Mar. 11 from Madrid to Miami, returning Mon, Mar. 16, priced at CA $656 found 9 hours ago
Air Europa
Wed, Mar. 11 - Mon, Mar. 16
MAD
Madrid
MIA
Miami
CA $656 Roundtrip, found 9 hours ago
CA $656
Roundtrip
found 9 hours ago
Select Air Europa flight, departing Wed, Mar. 11 from Madrid to Miami, returning Mon, Mar. 16, priced at CA $656 found 9 hours ago
ITA Airways
Fri, Oct. 31 - Tue, Nov. 4
MAD
Madrid
MIA
Miami
CA $795 Roundtrip, found 6 days ago
CA $795
Roundtrip
found 6 days ago
Select ITA Airways flight, departing Fri, Oct. 31 from Madrid to Miami, returning Tue, Nov. 4, priced at CA $795 found 6 days ago

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

March is typically the cheapest month to fly

From CA $545 - CA $886 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.