€508 Cheap Swiss International Air Lines flights from Seattle to Naples (SEA→NAP)

View €508 flight on Tue, 9 Sep 2025Opens in a new window

  • 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
    Sign in

Swiss International Air Lines flights from Seattle to Naples (SEA→NAP)

Prices were available within the past 7 days and start at €508 for one-way flights and €647 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Swiss International Air Lines
Tue, 9 Sep - Tue, 30 Sep
SEA
Seattle
NAP
Naples
€647 Return, found 2 days ago
€647
Return
found 2 days ago
Select Swiss International Air Lines flight, departing Tue, 9 Sep from Seattle to Naples, returning Tue, 30 Sep, priced at €647 found 2 days ago
Swiss International Air Lines
Tue, 9 Sep - Tue, 30 Sep
SEA
Seattle
NAP
Naples
€653 Return, found 2 days ago
€653
Return
found 2 days ago
Select Swiss International Air Lines flight, departing Tue, 9 Sep from Seattle to Naples, returning Tue, 30 Sep, priced at €653 found 2 days ago
Swiss International Air Lines
Tue, 9 Sep - Tue, 30 Sep
SEA
Seattle
NAP
Naples
€658 Return, found 2 days ago
€658
Return
found 2 days ago
Select Swiss International Air Lines flight, departing Tue, 9 Sep from Seattle to Naples, returning Tue, 30 Sep, priced at €658 found 2 days ago
Flight from Seattle to Naples route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
Naples Intl.
Distance
9246 km
*Available to Expedia members.