Seattle(SEA) to Cardiff(CWL) flight deals from $806*

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Book our best prices between Seattle and Cardiff  within the next 6 months

Flight tickets from Seattle to Cardiff on Virgin Atlantic

$

Prices shown are per person. Cheapest fares may be hand luggage only. *Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking. Additional baggage fees and charges for optional products and services may apply.

Explore flights using your Virgin Points

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Points fares shown are per person. Cheapest points fares may be hand baggage only. *Points fares displayed have been collected within the last 48hrs and may no longer be available at time of booking. Additional baggage fees and charges for optional products and services may apply.

$
From
To
Fare type
Dates
Price
Seattle (SEA)Cardiff (CWL)Round trip
/
Premium		Sep 07, 2026 - Sep 24, 2026

Starting from

$3,055

Seen: 1 day ago

Seattle (SEA)Cardiff (CWL)Round trip
/
Premium		Sep 08, 2026 - Sep 25, 2026

Starting from

$4,183

Seen: 1 day ago

Prices shown are per person. Cheapest fares may be hand luggage only. *Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking. Additional baggage fees and charges for optional products and services may apply.

$
From
To
Fare type
Dates
Price
Seattle (SEA)Cardiff (CWL)Round trip
/
Upper Class		Sep 08, 2026 - Sep 25, 2026

Starting from

$8,627

Seen: 1 day ago

Seattle (SEA)Cardiff (CWL)Round trip
/
Upper Class		Sep 07, 2026 - Sep 24, 2026

Starting from

$8,628

Seen: 1 day ago

Seattle (SEA)Cardiff (CWL)Round trip
/
Upper Class		Sep 07, 2026 - Sep 24, 2026

Starting from

$11,813

Seen: 1 day ago

Seattle (SEA)Cardiff (CWL)Round trip
/
Upper Class		Sep 08, 2026 - Sep 25, 2026

Starting from

$16,137

Seen: 1 day ago

Prices shown are per person. *Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking. Additional baggage fees and charges for optional products and services may apply.

Flight deals from Seattle (SEA) to Cardiff (CWL)
Best overall airline in Europe 2025

Best overall airline in Europe 2025


Virgin Atlantic is incredibly proud to have been voted Europe's best airline once again in the APEX awards. Withholding status of Europe's best airline for 5 years running.