Cheap flights from Seattle, WA to Lisbon, Portugal

Flights starting at £294. Choose between Alaska Airlines, TAP Portugal, or Norse Atlantic Airways to find the best price.

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Travelers usually depart from Seattle–Tacoma International, or Kenmore Air Harbor Seaplane Base when they travel from Seattle to Lisbon. The most popular airlines for this route are Alaska Airlines, TAP Portugal, Norse Atlantic Airways, WestJet, and Vueling. Seattle and Lisbon have 344 direct flights per week. When you arrive at Lisbon, consider visiting Bairro Alfama, Lisbon, Mosteiro Dos Jerónimos, Sintra, and Bairro of Ribeira, Portugal.

Check-in for a flight from Seattle to Lisbon

NameCarrier codeIATA CodePassport needed during bookingOnline check-in available
Alaska AirlinesASAASNoOpens 24 days before flight
Closes 1 hours before flight
TAP PortugalTAPTPNoOpens 36 days before flight
Closes 1 hours before flight
Norse Atlantic AirwaysNBTN0NoOpens 24 days before flight
Closes 2 hours before flight
WestJetWJAWSNoOpens 24 days before flight
Closes 1 hours before flight
VuelingVLGVYNoOpens 168 days before flight
Closes 4 hours before flight

Weather in Lisbon

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January14°C9°C
February15°C9°C
March17°C10°C
April19°C12°C
May22°C14°C
June24°C16°C
July26°C17°C
August27°C17°C
September25°C17°C
October22°C16°C
November17°C12°C
December15°C10°C
Hottest Month
27°C
August
Coldest month
9°C
January
Sunny days
315
days per year

14 day forecast

Tuesday
11 Jun
24°C16°C
18 Jun
82%
21°C15°C
Wednesday
12 Jun
23°C15°C
19 Jun
23°C15°C
Thursday
13 Jun
24°C15°C
20 Jun
25°C15°C
Friday
14 Jun
24°C16°C
21 Jun
25°C16°C
Saturday
15 Jun
22°C15°C
22 Jun
29°C18°C
Sunday
16 Jun
23°C15°C
23 Jun
27°C18°C
Monday
17 Jun
23°C17°C
24 Jun
25°C18°C

Frequently asked questions

What are the most popular routes to and from Seattle?
What are the most popular routes to and from Lisbon?
Which airports are there in Seattle?
What airports are near Seattle?
What airports are near Lisbon?
Is it possible to combine flights, buses, and trains in one itinerary when traveling between Seattle and Lisbon?
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Which airlines fly between Seattle and Lisbon?
When's the best time to travel between Seattle and Lisbon?
What flights operate between Seattle and Lisbon?
How many airports are there near Seattle?
How many airports are there near Lisbon?
What time do nonstop (direct) flights between Seattle and Lisbon depart?
What time do nonstop (direct) flights between Seattle and Lisbon arrive?
What time do flights between Seattle and Lisbon depart?
What time do flights between Seattle and Lisbon arrive?

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