Compare all flight tickets and find cheap flights from Seattle to Lisbon

Cheapest flight tickets

$3812

Price observed over the last 3 months for a round trip.

Average price of a round trip

$3873

Average flight ticket price recorded over the last 3 months for a round trip.

Flight duration

28h39

A flight from Seattle to Lisbon takes on average 28h39.

Best time

June

According to user searches, the ideal month to go to Lisbon is June.

Tips for finding a cheap flight from Seattle to Lisbon

Check out our tips for booking your flight to Lisbon (Portugal) from Seattle (USA) at the cheapest possible price.

Usually, the cheapest month to pick up a ticket on this route is September, with an average flight ticket price of $3873 (calculation over the last two years). The most touristic season corresponds to the months of September.
For the cheapest flights, it is advisable to buy your ticket at least 119 days before the departure date.

The airline offering the cheapest flight tickets is Alaska Airlines. A ticket from the airline Alaska Airlines to Lisbon costs on average $3854.
The airlines that offer the most flights are .

Price of flight tickets from Seattle to Lisbon

Here is some information and tips to know before booking your flight:

  • Flight ticket prices range from $3814 to $4145
  • The average price of a flight ticket is about $3874
  • Prices are lowest for stays in the month of September
  • The month in which booking a ticket is cheaper is: September
info departure city :
Seattle, USA
airports :
Kenmore Air Harbor Spb. (LKE)
Seattle-Tacoma International Airport (SEA)
Renton Municipal Airport (RNT)
King County International Airport (BFI)
local time :

Seattle is a city in the country USA, the time zone is GMT . In Seattle, it is currently {fromLocalTime}, the temperature is on average 14°C, with a minimum of 6°C and a maximum of 20°C.

The city of Seattle (SEA) has 4 airport(s): Kenmore Air Harbor Spb., Seattle-Tacoma, Renton and King County

destination info :
Lisbon, Portugal
airport :
Lisbon-Humberto Delgado Airport (LIS)
local time :

Lisbon is in the country Portugal, the time zone is GMT +1. In Lisbon, it is currently {toLocalTime}, the temperature is on average 18°C, with a minimum of 14°C and a maximum of 23°C.

The city of Lisbon has 1 airport(s): Lisbon-Humberto Delgado

Useful info about Lisbon

What is the least touristic period to go to Lisbon?

If you want to visit Lisbon during the least touristic period, choose the month of June.

What is the most popular time to travel to Lisbon?

In Lisbon, the most popular month is September. It is during this period that the prices offered by airlines are also the highest.

When should I book my flight from Seattle to Lisbon?

According to our data, it is recommended to book your flight 119 days before your departure. If you book your flight ticket 18 weeks before your departure, you may find a price below average. The cheapest day to book a flight from Seattle to Lisbon is Friday.

What are the arrival and destination airports when traveling between Seattle and Lisbon?

This information is not available at this time.

How to reach Seattle airport from the city centre?

The airport Kenmore Air Harbor Spb. is located 3 km, Seattle-Tacoma is located 16 km, Renton is located 16 km or King County is located 8 km from the city centre. You can access it by using public transportation, taking a taxi, or renting a car.

Are there other means of transportation to go from Seattle to Lisbon?

Airplane is the only means of transportation listed on Liligo for this journey.

Are there big differences in weather between Seattle and Lisbon?

In summer, the average temperature is 21°C in Lisbon and 18°C in Seattle. The average rainfall in summer is 5 mm in Lisbon and 39 mm in Seattle. In summer, it is warmer in Lisbon and it rains less in Lisbon. In winter, it is colder in Lisbon and it rains more in Seattle.

Prepare your stay in Lisbon

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