How long is the flight to Seattle?

The duration of your flight to Seattle depends on your departure and arrival airports. Obviously, any flights that include a layover will also be longer. The most popular routes to Seattle on KAYAK are from Porto , which takes 14h 47m , and Lisbon , which takes 15h 00m.

How far is Seattle/Tacoma Intl Airport from central Seattle?

You’ll need to travel 11 miles to reach the Seattle city center from Seattle/Tacoma Intl Airport.

What is the name of Seattle’s airport?

When flying to Seattle, you'll arrive at Seattle/Tacoma Intl Airport (SEA). The airport is also known as Seattle-Tacoma Intl, Seattle/Tacoma, or Seattle/Tacoma Intl.

What is the cheapest month to fly to Seattle?

The cheapest month for flights to Seattle is February , where tickets cost $897 on average for return flights. On the other hand, the most expensive months are July and January, where the average cost of tickets from Portugal is $1,463 and $1,080 respectively. For one-way flights, the best month to travel is October with an average price of $740.

How does KAYAK find such low prices on flights to Seattle?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights to Seattle.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket to Seattle?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seattle is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights to Seattle?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Seattle with an airline and back with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight to Seattle?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Seattle up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

How many direct flights to Seattle are there each day?

There are around 2,184 direct flights from within Portugal to Seattle every day. Most flights depart in the morning, with 48% of flights departing in the morning.

How many direct flights to Seattle are there each week?

Each week there are around 15,288 direct flights from within Portugal to Seattle. The most common day for departures is Sunday, with 17% of flights taking off on this day.

What are the most popular airlines flying to Seattle?

The most popular airline among KAYAK users flying to Seattle is KLM, followed by Delta.

$437 CHEAP FLIGHTS from Portugal to Seattle

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Flight Deals

Cheap Flights from Portugal to Seattle

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Portugal to Seattle

Tue, Jan 26 - Wed, Feb 3

11:35 am - 5:00 pmLIS Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl

13h 25m1 stop Reykjavik Keflavik Intl

2:35 pm - 12:50 pmSEA Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado

14h 15m1 stop Reykjavik Keflavik Intl

$652Icelandair

Thu, Jan 14 - Mon, Jan 25

9:50 am - 5:00 pmLIS Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl

39h 10m2 stops London Heathrow Reykjavik Keflavik Intl

2:35 pm - 4:30 pmSEA Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado

17h 55m2 stops Reykjavik Keflavik Intl London Heathrow

$661Multiple Airlines

Tue, Dec 1 - Mon, Dec 28

12:35 pm - 5:00 pmOPO Porto-SEA Seattle/Tacoma Intl

36h 25m2 stops London Gatwick Reykjavik Keflavik Intl

2:35 pm - 6:30 pmSEA Seattle/Tacoma Intl-OPO Porto

19h 55m2 stops Reykjavik Keflavik Intl London Gatwick

$686Multiple Airlines

Mon, Nov 9 - Sun, Nov 22

6:20 am - 5:00 pmLIS Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl

18h 40m1 stop London Gatwick

6:45 pm - 11:00 pmSEA Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado

20h 15m1 stop London Heathrow

$709Multiple Airlines

Fri, Mar 5 - Wed, Mar 10

5:00 am - 11:35 amLIS Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl

14h 35m1 stop Amsterdam Schiphol

7:15 am - 11:20 amSEA Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado

20h 05m2 stops New York John F Kennedy Intl Paris Charles de Gaulle

$905Delta

Thu, Oct 15 - Mon, Oct 19

5:00 am - 11:52 amLIS Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl

14h 52m1 stop Amsterdam Schiphol

7:15 am - 11:15 amSEA Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado

20h 00m2 stops Chicago O'Hare Intl Paris Charles de Gaulle

$905Delta

Mon, Nov 2 - Sun, Nov 8

7:10 pm - 11:47 amFAO Faro-SEA Seattle/Tacoma Intl

24h 37m1 stop Amsterdam Schiphol

2:35 pm - 1:50 pmSEA Seattle/Tacoma Intl-FAO Faro

15h 15m1 stop Amsterdam Schiphol

$998KLM

Thu, Nov 12 - Fri, Jan 8

2:40 pm - 11:47 amFAO Faro-SEA Seattle/Tacoma Intl

29h 07m1 stop Amsterdam Schiphol

2:25 pm - 1:50 pmSEA Seattle/Tacoma Intl-FAO Faro

15h 25m1 stop Amsterdam Schiphol

$1,026KLM

Thu, Nov 12 - Fri, Jan 8

2:40 pm - 2:55 pmFAO Faro-SEA Seattle/Tacoma Intl

32h 15m2 stops Amsterdam Schiphol Salt Lake City

2:25 pm - 1:50 pmSEA Seattle/Tacoma Intl-FAO Faro

15h 25m1 stop Amsterdam Schiphol

$1,036KLM

Fri, Nov 13 - Fri, Nov 20

6:00 pm - 11:47 amFNC Funchal Madeira-SEA Seattle/Tacoma Intl

25h 47m1 stop Amsterdam Schiphol

1:50 pm - 9:20 amSEA Seattle/Tacoma Intl-FNC Funchal Madeira

35h 30m2 stops Minneapolis St Paul Amsterdam Schiphol

$1,372KLM

Recent last minute flight deals from Portugal to Seattle

Thu, Oct 8 - Tue, Oct 13

6:40 am - 8:40 pmOPO Porto-SEA Seattle/Tacoma Intl

22h 00m2 stops London Gatwick Reykjavik Keflavik Intl

7:00 pm - 11:40 pmSEA Seattle/Tacoma Intl-OPO Porto

20h 40m2 stops Reykjavik Keflavik Intl London Gatwick

$699Multiple Airlines

Wed, Oct 7 - Tue, Oct 13

9:15 pm - 8:40 pmOPO Porto-SEA Seattle/Tacoma Intl

31h 25m3 stops Lisbon Humberto Delgado London Gatwick Reykjavik Keflavik Intl

7:00 pm - 11:40 pmSEA Seattle/Tacoma Intl-OPO Porto

20h 40m2 stops Reykjavik Keflavik Intl London Gatwick

$738Multiple Airlines

Thu, Oct 8 - Tue, Oct 13

6:40 am - 8:40 pmOPO Porto-SEA Seattle/Tacoma Intl

22h 00m2 stops London Gatwick Reykjavik Keflavik Intl

7:00 pm - 6:50 amSEA Seattle/Tacoma Intl-OPO Porto

27h 50m3 stops Reykjavik Keflavik Intl London Gatwick Madrid Barajas

$773Multiple Airlines

Wed, Oct 7 - Tue, Oct 13

9:15 pm - 8:40 pmOPO Porto-SEA Seattle/Tacoma Intl

31h 25m3 stops Lisbon Humberto Delgado London Gatwick Reykjavik Keflavik Intl

7:00 pm - 6:50 amSEA Seattle/Tacoma Intl-OPO Porto

27h 50m3 stops Reykjavik Keflavik Intl London Gatwick Madrid Barajas

$807Multiple Airlines

Thu, Oct 8 - Tue, Oct 13

5:05 am - 8:40 pmOPO Porto-SEA Seattle/Tacoma Intl

23h 35m3 stops Lisbon Humberto Delgado London Heathrow Reykjavik Keflavik Intl

7:00 pm - 6:50 amSEA Seattle/Tacoma Intl-OPO Porto

27h 50m3 stops Reykjavik Keflavik Intl London Gatwick Madrid Barajas

$851Multiple Airlines

Wed, Oct 7 - Tue, Oct 13

5:00 am - 4:35 pmOPO Porto-SEA Seattle/Tacoma Intl

19h 35m1 stop Amsterdam Schiphol

1:30 pm - 3:25 pmSEA Seattle/Tacoma Intl-OPO Porto

17h 55m1 stop Paris Charles de Gaulle

$982Delta

Thu, Oct 8 - Tue, Oct 13

5:00 am - 4:35 pmOPO Porto-SEA Seattle/Tacoma Intl

19h 35m1 stop Amsterdam Schiphol

6:40 pm - 10:05 pmSEA Seattle/Tacoma Intl-OPO Porto

19h 25m1 stop Paris Charles de Gaulle

$982Delta

Thu, Oct 8 - Tue, Oct 13

5:00 am - 4:35 pmOPO Porto-SEA Seattle/Tacoma Intl

19h 35m1 stop Amsterdam Schiphol

11:05 am - 3:25 pmSEA Seattle/Tacoma Intl-OPO Porto

20h 20m2 stops Salt Lake City Paris Charles de Gaulle

$982Delta

Wed, Oct 7 - Tue, Oct 13

5:00 am - 4:35 pmOPO Porto-SEA Seattle/Tacoma Intl

19h 35m1 stop Amsterdam Schiphol

11:05 am - 3:25 pmSEA Seattle/Tacoma Intl-OPO Porto

20h 20m2 stops Salt Lake City Paris Charles de Gaulle

$982Delta

Wed, Oct 7 - Tue, Oct 13

5:00 am - 4:58 pmOPO Porto-SEA Seattle/Tacoma Intl

19h 58m2 stops Amsterdam Schiphol Minneapolis St Paul

11:05 am - 3:25 pmSEA Seattle/Tacoma Intl-OPO Porto

20h 20m2 stops Salt Lake City Paris Charles de Gaulle

$988Delta

Booking Insights

KAYAK's insights & trends for flights to Seattle

Get data-powered insights and trends for flights to Seattle to help you find the cheapest flights, the best time to fly and much more.

Prices

Airlines

What is the cheapest month to fly to Seattle? To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights to Seattle, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.: The cheapest month for flights to Seattle is February, where tickets cost $897 on average for return flights. On the other hand, the most expensive months are July and January, where the average cost of tickets from Portugal is $1,463 and $1,080 respectively. For one-way flights, the best month to travel is October with an average price of $740.

Find deals

Low season	February
High season	August
Cheapest flight	$437

Best time to beat the crowds with an average 28% drop in price.

Most popular time to fly and prices are also 22% lower on average.

Flight from Porto to Seattle

How far is Seattle/Tacoma Intl Airport from central Seattle?
You’ll need to travel 11 miles to reach the Seattle city center from Seattle/Tacoma Intl Airport.
What is the name of Seattle’s airport?
When flying to Seattle, you'll arrive at Seattle/Tacoma Intl Airport (SEA). The airport is also known as Seattle-Tacoma Intl, Seattle/Tacoma, or Seattle/Tacoma Intl.
How does KAYAK find such low prices on flights to Seattle?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights to Seattle.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket to Seattle?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seattle is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights to Seattle?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Seattle with an airline and back with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight to Seattle?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Seattle up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.
How many direct flights to Seattle are there each week?
Each week there are around 15,288 direct flights from within Portugal to Seattle. The most common day for departures is Sunday, with 17% of flights taking off on this day.

Enter your preferred departure airport and travel dates into the search form above to unlock the latest Seattle flight deals.

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Lacey

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Woodinville

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Edmonds

Aberdeen

DuPont

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Monroe

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Edgewood

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$437 Find Cheap Flights from Portugal to Seattle - Compare and Save

Cheap Flights from Portugal to Seattle

Recent round-trip flight deals from Portugal to Seattle

Recent one-way flight deals from Portugal to Seattle

Recent last minute flight deals from Portugal to Seattle

KAYAK's insights & trends for flights to Seattle

What is the cheapest month to fly to Seattle?

What are the most popular airlines flying to Seattle?

How long is the flight to Seattle?

How many direct flights to Seattle are there each day?

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Cheapest flight

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