The cheapest times to fly from FAO to SEA are

  • January 15th to May 27th (except the weeks of March 26th, April 9th, April 16th, and May 14th)
  • October 8th to October 21st
  • November 5th to December 9th

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 FAO to SEA is mid March. Prices can be as high as $1633 for Thursday flights during early August, or as low as $513 for Sunday flights around mid March.


When to Fly to Seattle

Flying from Faro (FAO) to Seattle, WA (SEA) will usually cost between $685 to $1525 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid March with an average ticket price of $815. Due to high demand the most expensive time to fly is early August, with an average price of $1530. Planning your trip to low-cost times can easily save you $715 on economy flights and even more on first-class flights. Generally, any price below $1028 can be considered a good price for a round-trip FAO to SEA flight.

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

FAO to SEA Flight Prices

Compared to other flights, the FAO to SEA flight is priced close to the average and costs more than the average flight leaving from Faro. The average price per mile (for a direct flight) is $0.12, which is far below average.


Flight Prices by Day of the Week

Sunday is usually the cheapest day to fly to SEA, and Monday the cheapest day to fly back into FAO. Thursdays are the most expensive days to fly to Seattle, and Saturdays are the most expensive days to return to Faro. Selecting flights on the least expensive days could save you up to $181 (15%) 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 $1022. Return trip prices are from the SEA to FAO 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 FAO 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 10 hour 35 minutes may not be realistic.


Flight Hacking FAO 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 FAO to SEA — but Champion Traveler does!

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

  • Price for both tickets: $616
  • Average savings: $412 (40.08%)

See FAO to LHR flights

Hack #2: London (FAO > LHR > SEA)

  • Price for both tickets: $640
  • Average savings: $388 (37.74%)

See FAO to LGW flights

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

  • Price for both tickets: $649
  • Average savings: $379 (36.87%)

See FAO to DUB flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 11 major airlines flying this route most often: Air Canada, American, ANA, Asiana, British Airways, Cathay Pacific, China Eastern, Delta, JAL, Korean Air, United, and potentially more during busy seasons.

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

The distance between the two airports is roughly 5336 miles or 8587 kilometers.

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

The real-world flight time for a nonstop FAO to SEA flight is about 10 hour 35 minutes.

How many flights go between Faro 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 FAO to SEA.


Airport Location Info


Departing Airport

Origination code FAO
Origination airport name Faro Airport
City Faro
Country Portugal
Latitude 37
Longitude -8

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.