Cheap flights from Seattle, WA to Porto, Portugal

Flights starting at $382. Choose between Alaska Airlines, easyJet, or TAP Portugal 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 Porto. The most popular airlines for this route are Alaska Airlines, easyJet, TAP Portugal, Condor, and Transavia. Seattle and Porto have 346 direct flights per week. When you arrive at Porto, consider visiting Santiago De Compostela, and Bairro of Ribeira, Portugal.

Check-in for a flight from Seattle to Porto

NameCarrier codeIATA CodePassport needed during bookingOnline check-in available
Alaska AirlinesASAASNoOpens 24 days before flight
Closes 1 hours before flight
easyJetEZYU2NoOpens 720 days before flight
Closes 2 hours before flight
TAP PortugalTAPTPNoOpens 36 days before flight
Closes 1 hours before flight
CondorCFGDENoNo
TransaviaTRAHVNoOpens 24 days before flight
Closes 4 hours before flight

Weather in Porto

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January13°C7°C
February14°C7°C
March16°C9°C
April17°C10°C
May20°C12°C
June22°C15°C
July25°C16°C
August26°C17°C
September24°C16°C
October21°C14°C
November16°C10°C
December14°C9°C
Hottest Month
26°C
August
Coldest month
7°C
January
Sunny days
283
days per year

14 day forecast

Wednesday
17 Apr
21°C14°C
24 Apr
19°C14°C
Thursday
18 Apr
22°C15°C
25 Apr
18°C13°C
Friday
19 Apr
22°C14°C
26 Apr
79%
16°C12°C
Saturday
20 Apr
21°C14°C
27 Apr
86%
17°C12°C
Sunday
21 Apr
23°C14°C
28 Apr
89%
17°C13°C
Monday
22 Apr
22°C15°C
29 Apr
86%
14°C13°C
Tuesday
23 Apr
21°C15°C
30 Apr
82%
16°C12°C

Frequently asked questions

What are the most popular routes to and from Seattle?
What are the most popular routes to and from Porto?
Which airports are there in Seattle?
What airports are near Seattle?
What airports are near Porto?
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Which airlines fly between Seattle and Porto?
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What flights operate between Seattle and Porto?
How many airports are there near Seattle?
How many airports are there near Porto?
What time do nonstop (direct) flights between Seattle and Porto depart?
What time do nonstop (direct) flights between Seattle and Porto arrive?
What time do flights between Seattle and Porto depart?
What time do flights between Seattle and Porto arrive?

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