The cheapest times to fly from NAP to SEA are

  • January 8th to April 1st
  • April 30th to June 17th
  • October 8th to December 9th (except the weeks of October 22nd and October 29th)

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from NAP to SEA is early to mid May. Prices can be as high as $1560 for Saturday flights during mid August, or as low as $663 for Sunday flights around early to mid May.


When to Fly to Seattle

Flying from Naples (NAP) to Seattle, WA (SEA) will usually cost between $800 to $1333 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early to mid May with an average ticket price of $797. Due to high demand the most expensive time to fly is mid August, with an average price of $1386. Planning your trip to low-cost times can easily save you $589 on economy flights and even more on first-class flights. Generally, any price below $885 can be considered a good price for a round-trip NAP to SEA flight.

See below for a graph of average weekly prices for the NAP to SEA route. All prices are for round-trip tickets in USD.

NAP to SEA Flight Prices

Compared to other flights, the NAP to SEA flight is cheaper than the average and costs slightly more than the average flight leaving from Naples. The average price per mile (for a direct flight) is $0.1, which is far below average.


Flight Prices by Day of the Week

Sunday is usually the cheapest day to fly to SEA, and Tuesday the cheapest day to fly back into NAP. Saturdays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $148 (13%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Sunday and returning a week later will cost an average of $933. Return trip prices are from the SEA to NAP flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from NAP to SEA can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 11 hour 23 minutes may not be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from NAP to SEA while comparing.

Destination alternative #1: Portland International Airport (PDX) in Portland, OR

  • 129 miles (208 km) away from SEA
  • Usually 3.39% less expensive than SEA
  • 1-layover flights available

See NAP to PDX flights


Flight Hacking NAP to SEA

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from NAP to SEA — but Champion Traveler does!

Hack #1: London (NAP > LGW > SEA)

  • Price for both tickets: $639
  • Average savings: $246 (27.8%)

See NAP to MUC flights

Hack #2: Munich (NAP > MUC > SEA)

  • Price for both tickets: $665
  • Average savings: $220 (24.86%)

See NAP to LGW flights

Hack #3: Dublin (NAP > DUB > SEA)

  • Price for both tickets: $671
  • Average savings: $215 (24.24%)

See NAP to DUB flights


Flight Questions Answered

Still have questions about flying from NAP to SEA? We’ve got answers.

Which airlines fly this route?

You can find 19 major airlines flying this route most often: Aer Lingus, Air Canada, Air France, Alitalia, American, Austrian, British Airways, Brussels Airlines, Condor, Delta, Emirates, Iberia, KLM, Lufthansa, SAS, SWISS, Tap Air Portugal, Turkish Airlines, United, and potentially more during busy seasons.

How far away is it from Seattle/Tacoma International Airport to Capodichino Airport?

The distance between the two airports is roughly 5778 miles or 9299 kilometers.

How long does it take to fly from NAP to SEA?

The real-world flight time for a nonstop NAP to SEA flight is about 11 hour 23 minutes.

How many flights go between Naples and Seattle, WA?

It depends on the day of the week and the date, but a typical day might have around 13 available flights from NAP to SEA.


Airport Location Info


Departing Airport

Origination code NAP
Origination airport name Capodichino Airport
City Naples
Country Italy
Latitude 40.9
Longitude 14.3

Return Airport

Destination code SEA
Destination airport name Seattle/Tacoma International Airport
City Seattle, WA
Country the United States
Latitude 47.5
Longitude -122.3


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.