Cheap flights from Madrid to Herron Island from CA $761

View CA $761 flight on Thu, Aug. 21, 2025Opens in a new window

Popular airlines from Madrid to Herron Island

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Cheap flights from Madrid (MAD) to Herron Island (SEA)

Prices were available within the past 7 days and start at CA $761 for one-way flights and CA $988 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Europa
Thu, Aug. 21 - Fri, Aug. 22
MAD
Madrid
SEA
Seattle
CA $988 Roundtrip, found 4 days ago
CA $988
Roundtrip
found 4 days ago
Select Air Europa flight, departing Thu, Aug. 21 from Madrid to Seattle, returning Fri, Aug. 22, priced at CA $988 found 4 days ago
British Airways
Wed, Nov. 12 - Wed, Nov. 19
MAD
Madrid
SEA
Seattle
CA $1,081 Roundtrip, found 1 day ago
CA $1,081
Roundtrip
found 1 day ago
Select British Airways flight, departing Wed, Nov. 12 from Madrid to Seattle, returning Wed, Nov. 19, priced at CA $1,081 found 1 day ago
Air Canada
Wed, Nov. 12 - Wed, Nov. 19
MAD
Madrid
SEA
Seattle
CA $1,142 Roundtrip, found 1 day ago
CA $1,142
Roundtrip
found 1 day ago
Select Air Canada flight, departing Wed, Nov. 12 from Madrid to Seattle, returning Wed, Nov. 19, priced at CA $1,142 found 1 day ago
Lufthansa
Wed, Nov. 12 - Wed, Nov. 19
MAD
Madrid
SEA
Seattle
CA $1,148 Roundtrip, found 1 day ago
CA $1,148
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Wed, Nov. 12 from Madrid to Seattle, returning Wed, Nov. 19, priced at CA $1,148 found 1 day ago
Brussels Airlines
Wed, Nov. 12 - Wed, Nov. 19
MAD
Madrid
SEA
Seattle
CA $1,169 Roundtrip, found 1 day ago
CA $1,169
Roundtrip
found 1 day ago
Select Brussels Airlines flight, departing Wed, Nov. 12 from Madrid to Seattle, returning Wed, Nov. 19, priced at CA $1,169 found 1 day ago
Virgin Atlantic
Wed, Nov. 12 - Wed, Nov. 19
MAD
Madrid
SEA
Seattle
CA $1,182 Roundtrip, found 1 day ago
CA $1,182
Roundtrip
found 1 day ago
Select Virgin Atlantic flight, departing Wed, Nov. 12 from Madrid to Seattle, returning Wed, Nov. 19, priced at CA $1,182 found 1 day ago

Find the cheapest month to fly from Madrid (MAD) to Seattle (SEA)

May is typically the cheapest month to fly

From CA $645 - CA $1,495 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.