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 $656 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Wed, Mar. 11 - Mon, Mar. 16
MAD
Madrid
MIA
Miami
CA $656 Roundtrip, found 2 days ago
CA $656
Roundtrip
found 2 days ago
Select British Airways flight, departing Wed, Mar. 11 from Madrid to Miami, returning Mon, Mar. 16, priced at CA $656 found 2 days ago
British Airways
Wed, Mar. 11 - Mon, Mar. 16
MAD
Madrid
MIA
Miami
CA $656 Roundtrip, found 2 days ago
CA $656
Roundtrip
found 2 days ago
Select British Airways flight, departing Wed, Mar. 11 from Madrid to Miami, returning Mon, Mar. 16, priced at CA $656 found 2 days ago
Air Europa
Wed, Mar. 11 - Mon, Mar. 16
MAD
Madrid
MIA
Miami
CA $656 Roundtrip, found 2 days ago
CA $656
Roundtrip
found 2 days ago
Select Air Europa flight, departing Wed, Mar. 11 from Madrid to Miami, returning Mon, Mar. 16, priced at CA $656 found 2 days ago
TAP Portugal
Wed, Mar. 11 - Mon, Mar. 16
MAD
Madrid
MIA
Miami
CA $683 Roundtrip, found 2 days ago
CA $683
Roundtrip
found 2 days ago
Select TAP Portugal flight, departing Wed, Mar. 11 from Madrid to Miami, returning Mon, Mar. 16, priced at CA $683 found 2 days ago
ITA Airways
Mon, Dec. 1 - Wed, Dec. 10
MAD
Madrid
MIA
Miami
CA $730 Roundtrip, found 1 day ago
CA $730
Roundtrip
found 1 day ago
Select ITA Airways flight, departing Mon, Dec. 1 from Madrid to Miami, returning Wed, Dec. 10, priced at CA $730 found 1 day ago
Lufthansa
Wed, Mar. 11 - Mon, Mar. 16
MAD
Madrid
MIA
Miami
CA $876 Roundtrip, found 2 days ago
CA $876
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Wed, Mar. 11 from Madrid to Miami, returning Mon, Mar. 16, priced at CA $876 found 2 days ago

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

February is typically the cheapest month to fly

From CA $547 - CA $697 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.