Cheap Flights from Seattle (SEA) to Reykjavik (KEF)

  • 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 35% on select hotels after you book a flight*
  • payments icon
    Earn twice
    Earn your airline miles on top of our rewards

Cheap Flights from Seattle to Reykjavik (SEA-KEF)

Prices were available within the past 7 days and start at AU$697 for one-way flights and AU$953 for return, for the period specified. Prices and availability are subject to change. Additional terms apply.
British Airways
Seattle — Reykjavik
SEA - KEF with British Airways
Fri, 14 Mar
British Airways
Reykjavik — Seattle
KEF - SEA with British Airways
Sun, 23 Mar
Found 14 hours ago
Select flight from Seattle to Reykjavik, departing on March 14 with British Airways, and returning from Reykjavik to Seattle on March 23 with British Airways. Price from AU$1,113, Found 14 hours ago.
Swiss International Air Lines
Seattle — Reykjavik
SEA - KEF with Swiss International Air Lines
Thu, 20 Feb
Found 6 days ago
Select flight from Seattle to Reykjavik, departing on with Swiss International Air Lines. Price from AU$797, Found 6 days ago.
*Available to Expedia members.