Cheap flights from Cardiff to Duck Key

Popular airlines from Cardiff to Duck Key

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards

Cheap flights from Cardiff (BRS) to Duck Key (MIA)

Prices were available within the past 7 days and start at for one-way flights and CA $1,111 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Virgin Atlantic
Virgin Atlantic
Air France
Delta
Air France
Virgin Atlantic
KLM
KLM
Virgin Atlantic
Delta
Virgin Atlantic
Air France
*Available to Expedia members.