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Cheap flights from Seattle to Portugal from $275

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 10/6. 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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0 bags

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Cheap round-trip flights

 Logo
8:00 pm - 9:20 amSEA-LIS
29h 20m2 stops
 Logo
5:00 am - 12:10 pmLIS-SEA
15h 10m1 stop
Wed, Nov 26 - Fri, Dec 5
Icelandair Logo
7:00 pm - 9:20 pmSEA-LIS
18h 20m1 stop
Icelandair Logo
10:20 pm - 11:25 amLIS-SEA
21h 05m1 stop
$515Icelandair
Find Deal
Sat, Aug 9 - Sun, Aug 24
Icelandair Logo
3:45 pm - 9:20 pmSEA-LIS
21h 35m1 stop
Icelandair Logo
10:20 pm - 11:25 amLIS-SEA
21h 05m1 stop
$519Icelandair
Find Deal
Sat, Aug 9 - Sun, Aug 24
United Airlines Logo
9:25 am - 10:15 amSEA-LIS
16h 50m2 stops
United Airlines Logo
11:20 am - 3:57 pmLIS-SEA
36h 37m2 stops
$522United Airlines
Find Deal
Sat, Dec 6 - Tue, Dec 16
United Airlines Logo
8:00 am - 11:15 amSEA-LIS
19h 15m1 stop
United Airlines Logo
5:00 am - 12:10 pmLIS-SEA
15h 10m1 stop
$528United Airlines
Find Deal
Sat, Oct 25 - Thu, Nov 6
Air France Logo
7:20 am - 9:00 amSEA-LIS
17h 40m1 stop
Air France Logo
11:15 am - 10:13 pmLIS-SEA
18h 58m1 stop
$532Air France
Find Deal
Mon, Nov 3 - Fri, Nov 14
Delta Logo
9:55 pm - 8:00 amSEA-LIS
27h 05m1 stop
Delta Logo
10:00 am - 7:29 pmLIS-SEA
17h 29m1 stop
$536Delta
Find Deal
Sat, Nov 1 - Thu, Nov 13
Delta Logo
10:00 pm - 9:00 amSEA-LIS
27h 00m1 stop
Delta Logo
5:30 am - 7:29 pmLIS-SEA
21h 59m2 stops
$548Delta
Find Deal
Sun, Nov 2 - Wed, Nov 12
British Airways Logo
2:35 pm - 9:45 pmSEA-LIS
24h 10m1 stop
British Airways Logo
10:30 am - 9:49 pmLIS-SEA
19h 19m1 stop
$563British Airways
Find Deal
Tue, Oct 28 - Sat, Nov 8
British Airways Logo
6:50 pm - 10:15 amSEA-LIS
31h 25m1 stop
British Airways Logo
7:05 am - 4:55 pmLIS-SEA
17h 50m1 stop
$564British Airways
Find Deal
Thu, Nov 6 - Mon, Nov 17

Icelandair flights from Seattle to Portugal

Our best Icelandair deals on Seattle to Portugal flight tickets
Icelandair
Aug 9
SEA7:00 pmSeattle/Tacoma Intl
18h 20m
1 stop
LIS9:20 pmLisbon Humberto Delgado
Aug 24
LIS10:20 pmLisbon Humberto Delgado
21h 05m
1 stop
SEA11:25 amSeattle/Tacoma Intl
Icelandair
Aug 9
SEA3:45 pmSeattle/Tacoma Intl
21h 35m
1 stop
LIS9:20 pmLisbon Humberto Delgado
Aug 24
LIS10:20 pmLisbon Humberto Delgado
21h 05m
1 stop
SEA11:25 amSeattle/Tacoma Intl
Icelandair
Aug 9
SEA3:45 pmSeattle/Tacoma Intl
21h 35m
1 stop
LIS9:20 pmLisbon Humberto Delgado
Aug 24
LIS10:20 pmLisbon Humberto Delgado
21h 05m
1 stop
SEA11:25 amSeattle/Tacoma Intl

United Airlines flights from Seattle to Portugal

Our best United Airlines deals on Seattle to Portugal flight tickets
United Airlines
Dec 6
SEA9:25 amSeattle/Tacoma Intl
16h 50m
2 stops
LIS10:15 amLisbon Humberto Delgado
Dec 16
LIS11:20 amLisbon Humberto Delgado
36h 37m
2 stops
SEA3:57 pmSeattle/Tacoma Intl
United Airlines
Oct 25
SEA8:00 amSeattle/Tacoma Intl
19h 15m
1 stop
LIS11:15 amLisbon Humberto Delgado
Nov 6
LIS5:00 amLisbon Humberto Delgado
15h 10m
1 stop
SEA12:10 pmSeattle/Tacoma Intl
United Airlines
Dec 4
SEA9:25 amSeattle/Tacoma Intl
16h 50m
2 stops
LIS10:15 amLisbon Humberto Delgado
Mar 6
LIS5:00 amLisbon Humberto Delgado
15h 10m
1 stop
SEA12:10 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 month to fly to Portugal?

The cheapest month to fly to Portugal from Seattle is in January. Flight prices, which tend to average around $734, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of January, then book flights to Portugal from Seattle during February instead. Flights to Portugal in February, while not as cheap as those in January, still average around $759.

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 $908. 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 $1,111.

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

Our most recent data shows that the best time of day to fly to Portugal is in the afternoon. Flights from Seattle to Portugal during this time can be as low as $959. At noon is when there is more demand to fly to Portugal, so prices are often more expensive at around $1,074 per ticket.

How far in advance should I book a flight to Portugal?

You are more likely to see cheaper flights to Portugal from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Portugal for around $962 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portugal from Seattle for as low as $882 on momondo.

Can stopping save me money on Seattle to Portugal flights?

You could potentially save up to 31% 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

$275

Fastest flight time

13h 01m

Direct flights

None

Airports in Portugal

6 airports
The best one-way flight to Portugal from Seattle in the past 72 hours is $275. The best round-trip flight deal from Seattle to Portugal found on momondo in the last 72 hours is $506.
The fastest flight from Seattle to Portugal takes 13h 01m
There are no direct flights from Seattle to Portugal. Popular non-direct routes for this connection are Seattle/Tacoma Intl Airport - Lisbon Humberto Delgado Airport, Seattle/Tacoma Intl Airport - Funchal Madeira Airport and Seattle/Tacoma Intl Airport - Porto Airport.
There are 6 airports near Portugal: Lajes (TER), 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 $477Free CancellationRating
7.0
513 reviews
Search Icelandair flights
LufthansaPriceFrom $581Free CancellationRating
6.8
7,200 reviews
Search Lufthansa flights
British AirwaysPriceFrom $581Free CancellationRating
6.6
7,081 reviews
Search British Airways flights
United AirlinesPriceFrom $619Free CancellationRating
7.4
8,852 reviews
Search United Airlines flights
American AirlinesPriceFrom $627Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $636Free CancellationRating
8.0
7,973 reviews
Search Delta flights
KLMPriceFrom $648Free CancellationRating
7.8
1,365 reviews
Search KLM flights
Scandinavian AirlinesPriceFrom $652Free CancellationRating
7.3
1,413 reviews
Search Scandinavian Airlines flights
Aer LingusPriceFrom $667Free CancellationRating
7.1
1,140 reviews
Search Aer Lingus flights
Air FrancePriceFrom $685Free CancellationRating
7.5
1,471 reviews
Search Air France 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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Sat 7/5
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