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Cheap flights from Seattle to Portugal from $289

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Portugal departing on 11/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Seattle to Portugal

Cheap round-trip flights

These are some of the best round-trip flight deals from Seattle to Portugal that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Seattle to Portugal.

Cheap last minute flights

Planning a quick getaway from Seattle to Portugal? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Portugal, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Seattle to Portugal

Find recent round-trip train or bus tickets from Seattle to Portugal.

All round-trip flight deals to Portugal

The cheapest plane tickets to Portugal found on KAYAK recently.
2:35 pm - 8:20 pmSEA-LIS
21h 45m1 stop
9:20 pm - 5:00 pmLIS-SEA
27h 40m1 stop
$547Icelandair
Find Deal
Sun, Dec 29 - Mon, Jan 13
2:35 pm - 8:20 pmSEA-LIS
21h 45m1 stop
9:20 pm - 5:00 pmLIS-SEA
27h 40m1 stop
$566Icelandair
Find Deal
Sun, Jan 12 - Mon, Feb 10
2:35 pm - 8:20 pmSEA-LIS
21h 45m1 stop
9:20 pm - 5:00 pmLIS-SEA
27h 40m1 stop
$568Icelandair
Find Deal
Sun, Jan 12 - Mon, Feb 10
7:05 pm - 9:20 amSEA-LIS
30h 15m2 stops
5:00 am - 6:25 pmLIS-SEA
21h 25m2 stops
$600Air Canada
Find Deal
Mon, Feb 3 - Tue, Feb 11
6:05 am - 9:20 amSEA-LIS
19h 15m1 stop
5:00 am - 10:00 pmLIS-SEA
25h 00m2 stops
$605Air Canada
Find Deal
Wed, Feb 5 - Wed, Feb 12
1:45 pm - 10:25 pmSEA-LIS
24h 40m1 stop
11:05 am - 10:10 pmLIS-SEA
19h 05m1 stop
$668British Airways
Find Deal
Fri, Feb 14 - Fri, Feb 21
6:50 pm - 9:55 pmSEA-LIS
19h 05m1 stop
7:05 am - 4:55 pmLIS-SEA
17h 50m1 stop
$683British Airways
Find Deal
Thu, Jan 30 - Tue, Feb 11
7:40 am - 6:35 amSEA-LIS
14h 55m1 stop
5:30 am - 4:40 pmLIS-SEA
19h 10m2 stops
$684Air France
Find Deal
Wed, Jan 1 - Tue, Jan 28
7:25 am - 10:35 amSEA-LIS
19h 10m2 stops
5:00 am - 11:40 amLIS-SEA
14h 40m1 stop
$740Delta
Find Deal
Sat, Feb 15 - Sat, Mar 1
7:25 am - 10:35 amSEA-LIS
19h 10m2 stops
5:00 am - 4:54 pmLIS-SEA
19h 54m2 stops
$750Delta
Find Deal
Sat, Feb 15 - Sun, Mar 2
9:35 pm - 9:05 amSEA-LIS
51h 30m2 stops
Sat, Nov 30
3:15 pm - 7:25 pmSEA-OPO
20h 10m2 stops
Thu, Jan 30
6:50 pm - 9:45 pmSEA-LIS
18h 55m1 stop
$447British Airways
Find Deal
Sun, Feb 16
7:40 am - 6:35 amSEA-LIS
14h 55m1 stop
$452Air France
Find Deal
Wed, Jan 1
6:50 pm - 9:50 pmSEA-LIS
19h 00m1 stop
$554British Airways
Find Deal
Wed, Dec 11
1:35 pm - 4:50 pmSEA-FAO
19h 15m1 stop
$667Air France
Find Deal
Sat, Mar 8
7:15 pm - 9:20 amSEA-LIS
54h 05m2 stops
$693Air Canada
Find Deal
Wed, Dec 25
7:15 am - 8:00 amSEA-LIS
16h 45m1 stop
$763Delta
Find Deal
Sun, Dec 15
7:35 am - 9:00 amSEA-LIS
17h 25m1 stop
$764Delta
Find Deal
Sat, Dec 14
5:45 am - 9:20 amSEA-LIS
19h 35m2 stops
$1,167Air Canada
Find Deal
Thu, Dec 19
2:35 pm - 8:20 pmSEA-LIS
21h 45m1 stop
8:25 pm - 5:00 pmLIS-SEA
28h 35m2 stops
Sun, Nov 24 - Wed, Dec 4
2:35 pm - 8:40 amSEA-PDL
35h 05m3 stops
4:50 pm - 2:21 pmPDL-SEA
28h 31m2 stops
Mon, Nov 25 - Tue, Dec 10
2:35 pm - 8:40 amSEA-PDL
35h 05m3 stops
4:50 pm - 12:10 amPDL-SEA
38h 20m3 stops
Mon, Nov 25 - Tue, Dec 10
5:20 pm - 11:45 pmSEA-PDL
23h 25m2 stops
4:50 pm - 2:21 pmPDL-SEA
28h 31m2 stops
Mon, Nov 25 - Tue, Dec 10
7:10 am - 8:00 amSEA-LIS
16h 50m1 stop
11:15 am - 10:25 pmLIS-SEA
19h 10m1 stop
$1,007Air France
Find Deal
Sun, Nov 24 - Wed, Dec 4
7:10 am - 10:35 amSEA-LIS
19h 25m2 stops
5:30 am - 7:57 pmLIS-SEA
22h 27m2 stops
$1,042Delta
Find Deal
Sun, Nov 24 - Wed, Dec 4
5:45 am - 10:50 pmSEA-LIS
33h 05m3 stops
3:25 pm - 12:10 pmLIS-SEA
28h 45m3 stops
$1,077
Find Deal
Sun, Nov 24 - Wed, Dec 4
3:10 pm - 1:20 pmSEA-LIS
14h 10m1 stop
2:10 pm - 1:20 pmLIS-SEA
31h 10m1 stop
$1,481Lufthansa
Find Deal
Sun, Nov 24 - Sat, Nov 30
3:10 pm - 10:50 pmSEA-LIS
23h 40m2 stops
2:10 pm - 12:10 pmLIS-SEA
54h 00m2 stops
$1,537Lufthansa
Find Deal
Sun, Nov 24 - Sat, Nov 30
12:25 am - 10:10 amSEA-LIS
49h 45m2 stops
6:55 pm - 6:15 pmLIS-SEA
31h 20m1 stop
$4,937Aer Lingus
Find Deal
Tue, Nov 26 - Sun, Dec 8

Icelandair flights from Seattle to Portugal

Our best Icelandair deals on Seattle to Portugal flight tickets
Icelandair
Dec 29
SEA2:35 pmSeattle/Tacoma Intl
21h 45m
1 stop
LIS8:20 pmLisbon Humberto Delgado
Jan 13
LIS9:20 pmLisbon Humberto Delgado
27h 40m
1 stop
SEA5:00 pmSeattle/Tacoma Intl
Icelandair
Jan 12
SEA2:35 pmSeattle/Tacoma Intl
21h 45m
1 stop
LIS8:20 pmLisbon Humberto Delgado
Feb 10
LIS9:20 pmLisbon Humberto Delgado
27h 40m
1 stop
SEA5:00 pmSeattle/Tacoma Intl
Icelandair
Jan 12
SEA2:35 pmSeattle/Tacoma Intl
21h 45m
1 stop
LIS8:20 pmLisbon Humberto Delgado
Feb 10
LIS9:20 pmLisbon Humberto Delgado
27h 40m
1 stop
SEA5:00 pmSeattle/Tacoma Intl

Air Canada flights from Seattle to Portugal

Our best Air Canada deals on Seattle to Portugal flight tickets
Air Canada
Feb 3
SEA7:05 pmSeattle/Tacoma Intl
30h 15m
2 stops
LIS9:20 amLisbon Humberto Delgado
Feb 11
LIS5:00 amLisbon Humberto Delgado
21h 25m
2 stops
SEA6:25 pmSeattle/Tacoma Intl
Air Canada
Feb 5
SEA6:05 amSeattle/Tacoma Intl
19h 15m
1 stop
LIS9:20 amLisbon Humberto Delgado
Feb 12
LIS5:00 amLisbon Humberto Delgado
25h 00m
2 stops
SEA10:00 pmSeattle/Tacoma Intl
Air Canada
Feb 18
SEA5:45 amSeattle/Tacoma Intl
19h 35m
2 stops
LIS9:20 amLisbon Humberto Delgado
Feb 28
LIS6:10 amLisbon Humberto Delgado
20h 15m
2 stops
SEA6:25 pmSeattle/Tacoma Intl

See travel insights to Portugal from

How to get the cheapest flight ticket from Seattle to Portugal

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Portugal?

According to our data, Monday is the cheapest day to fly to Portugal from Seattle. The lowest ticket price found for a Monday departure recently was $925. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Portugal is Friday, with ticket prices averaging around $1,108.

Can stopping save me money on Seattle to Portugal flights?

You could potentially save up to 34% on your flight if you consider stops on a Seattle to Portugal flight.

Cheap Seattle to Portugal flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Portugal

Best Price Found

$289

Fastest flight time

13h 15m

Direct flights

None

Airports in Portugal

5 airports
The best one-way flight to Portugal from Seattle in the past 72 hours is $289. The best round-trip flight deal from Seattle to Portugal found on momondo in the last 72 hours is $547.
The fastest flight from Seattle to Portugal takes 13h 15m
There are no direct flights from Seattle to Portugal. Popular non-direct routes for this connection are Seattle/Tacoma Intl Airport - Faro Airport, Seattle/Tacoma Intl Airport - Lisbon Humberto Delgado Airport and Seattle/Tacoma Intl Airport - Porto Airport.
There are 5 airports near Portugal: Faro (FAO), Lisbon Humberto Delgado (LIS), Ponta Delgada Nordela (PDL), Funchal Madeira (FNC), Porto (OPO)

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Portugal?

    Prices for flights from Seattle/Tacoma Intl Airport to Portugal were last updated today.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Portugal?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Portugal?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Portugal.

  • What documentation or ID do you need to fly to Portugal?

    The necessary travel and health documents for your Portugal trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.


Best airlines flying from Seattle to Portugal

Compare and see reviews for airlines that fly from Seattle to Portugal with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom $538Free CancellationRating
7.2
553 reviews
Search Icelandair flights
American AirlinesPriceFrom $544Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
LufthansaPriceFrom $581Free CancellationRating
6.8
7,143 reviews
Search Lufthansa flights
United AirlinesPriceFrom $600Free CancellationRating
7.4
9,172 reviews
Search United Airlines flights
British AirwaysPriceFrom $604Free CancellationRating
6.6
6,831 reviews
Search British Airways flights
Aer LingusPriceFrom $606Free CancellationRating
7.1
1,089 reviews
Search Aer Lingus flights
Air CanadaPriceFrom $631Free CancellationRating
7.0
8,246 reviews
Search Air Canada flights
DeltaPriceFrom $635Free CancellationRating
8.0
8,755 reviews
Search Delta flights
KLMPriceFrom $636Free CancellationRating
7.8
1,349 reviews
Search KLM flights
Scandinavian AirlinesPriceFrom $652Free CancellationRating
7.3
1,294 reviews
Search Scandinavian Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Portugal?

It is quick and easy to find Seattle to Portugal flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Portugal that suits you.

Can I find flights from Seattle to Portugal with flexible booking policies on momondo?

All flight searches from Seattle to Portugal on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Seattle to Portugal?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Seattle to Portugal.

I’m not ready to book a flight from Seattle to Portugal right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Portugal, momondo offers a useful price alert feature which will track prices for flights to Portugal from Seattle and alert you when they change.


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