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SEA - LIS

$283 Find Cheap Flights from Seattle to Lisbon - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$720
Typical prices: $634-$1,101
KLM
Sun 1/21Wed 1/31
SEA - LIS • 1 stop
Cheapest one-way
$283
Typical prices: $426-$648
Multiple Airlines
Wed 10/31
SEA - LIS • 3 stops
Nonstop flights
Not available
There are currently no direct flights between Seattle and Lisbon. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
January
Cheapest • 42% price drop
March
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Reykjavik Keflavik Intl (KEF)
Cheapest • Avg $567 (round-trip)
Paris Charles de Gaulle (CDG)
Shortest trip • 14h 48m (one-way)
Insights
Insights
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We hope you love your trip to Lisbon!
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Booking Insights
Flight Deals

Cheap Flights from Seattle to Lisbon (SEA-LIS)

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

Recent round-trip flight deals from Seattle to Lisbon

Thu, Jan 21 - Sun, Jan 31
KLM Logo
7:15 am - 8:00 amSEA  Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado
16h 45m1 stop New York John F Kennedy Intl
KLM Logo
10:00 am - 10:02 pmLIS  Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl
20h 02m1 stop New York John F Kennedy Intl
$720KLM
Thu, Jan 21 - Sun, Jan 31
Air France Logo
6:00 am - 8:00 amSEA  Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado
18h 00m2 stops Detroit Metropolitan Wayne County New York John F Kennedy Intl
Air France Logo
10:00 am - 10:02 pmLIS  Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl
20h 02m1 stop New York John F Kennedy Intl
$724Air France
Wed, Jan 6 - Tue, Feb 2
Icelandair Logo
2:35 pm - 12:50 pmSEA  Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado
14h 15m1 stop Reykjavik Keflavik Intl
Icelandair Logo
11:35 am - 5:00 pmLIS  Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl
13h 25m1 stop Reykjavik Keflavik Intl
$742Icelandair
Wed, Jan 6 - Thu, Feb 4
Icelandair Logo
2:35 pm - 12:50 pmSEA  Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado
14h 15m1 stop Reykjavik Keflavik Intl
Icelandair Logo
2:00 pm - 5:00 pmLIS  Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl
35h 00m1 stop Reykjavik Keflavik Intl
$743Icelandair
Sat, Nov 14 - Fri, Nov 20
Multiple Airlines Logo
2:35 pm - 8:30 amSEA  Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado
33h 55m3 stops Reykjavik Keflavik Intl Stockholm Arlanda Barcelona-El Prat
Multiple Airlines Logo
2:55 pm - 5:00 pmLIS  Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl
34h 05m3 stops Warsaw Frederic Chopin Stockholm Arlanda Reykjavik Keflavik Intl
$746Multiple Airlines
Wed, Feb 3 - Fri, Feb 12
Multiple Airlines Logo
8:40 am - 9:20 amSEA  Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado
16h 40m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl
Multiple Airlines Logo
5:00 am - 2:37 pmLIS  Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl
17h 37m2 stops Frankfurt am Main Vancouver Intl
$756Multiple Airlines
Wed, Nov 4 - Wed, Nov 11
Lufthansa Logo
2:50 pm - 1:30 pmSEA  Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado
14h 40m1 stop Munich Franz Josef Strauss
Lufthansa Logo
5:00 am - 12:00 pmLIS  Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl
15h 00m1 stop Frankfurt am Main
$757Lufthansa
Wed, Feb 3 - Fri, Feb 12
Lufthansa Logo
2:50 pm - 11:30 pmSEA  Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado
24h 40m1 stop Munich Franz Josef Strauss
Lufthansa Logo
6:00 am - 1:00 pmLIS  Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl
15h 00m1 stop Munich Franz Josef Strauss
$763Lufthansa
Tue, Jan 5 - Wed, Jan 13
KLM Logo
7:15 am - 8:00 amSEA  Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado
16h 45m1 stop New York John F Kennedy Intl
KLM Logo
5:00 am - 11:49 amLIS  Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl
14h 49m1 stop Amsterdam Schiphol
$783KLM
Tue, Dec 15 - Tue, Dec 22
Air France Logo
7:38 am - 9:00 amSEA  Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado
17h 22m1 stop Boston Logan Intl
Air France Logo
5:30 am - 1:50 pmLIS  Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl
16h 20m1 stop Paris Charles de Gaulle
$816Air France
Booking Insights

Price, demand and travel trends for Seattle to Lisbon flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Seattle to Lisbon?

Round-trip flights from Seattle to Lisbon typically range from $634 to $1,101. The lowest price found in the past 5 days was $720, on KLM.

What's the cheapest day of the week to fly from Seattle to Lisbon?

Based on deals KAYAK users found in the last 12 months, Saturday is the cheapest day of the week to fly from Seattle to Lisbon. It’s 14% cheaper than the average day, while Friday is the most expensive, with prices 18% higher.

What’s the cheapest month to fly from Seattle to Lisbon?

•January is the cheapest month to fly from Seattle to Lisbon at $498 round-trip.
•June ($1,197) and July ($1,168) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 140% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Seattle to Lisbon the cheapest?

Flights from Seattle to Lisbon are cheapest in the last 2 weeks before departure, based on KAYAK prices tracked over the past 12 months. During this period, fares are 14% below average.

Find deals

Key details for Seattle to Lisbon flights

Low season

December

Cheapest flight

$283
Beat the crowds with an average 7% drop in travelers.
The most popular month to fly with an average 46% increase in travelers.
One-way flight from Seattle to Lisbon

When to book flights from Seattle to Lisbon

Are your dates flexible? Find out the best times to travel from Seattle to Lisbon based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Seattle to Lisbon flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Seattle to Lisbon?

    Four cabin classes are available on flights from Seattle to Lisbon:

    • Economy Class
    • Premium Economy Class
    • Business Class
    • First Class

    Prices vary by airline.

  • How long is a flight from Seattle to Lisbon?

    A nonstop flight from Seattle to Lisbon takes 00m, covering 5,199 miles.

  • Do I need a passport to fly from Seattle to Lisbon?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Seattle to Lisbon flight?

    Round-trip flights from Seattle to Lisbon range from $634 to $1,101, with an average of $859 over the past 12 months. Anything below $634 counts as a good deal.

  • How expensive are last-minute Seattle to Lisbon flights?

    Last-minute fares on this route (booked within two weeks of departure) are 14% below the route average of $859. Booking late can sometimes save you money, but inventory is limited.

  • How are flight prices from Seattle to Lisbon looking right now?

    One-way fares from Seattle to Lisbon are currently lower than usual. Average one-way flight prices are about $368, which is 31% below the typical average for this route.

  • What car rental options are available at Lisbon Humberto Delgado Airport (LIS)?

    Lisbon Humberto Delgado Airport (LIS) hosts 5 major car rental companies, with daily rates starting from around $2 for economy cars. Top options include:

    • Klass Wagen
    • Goldcar Rental SP
    • Drive on Holiday
    • GREEN MOTION
    • Guerin

  • Which airports can I use when flying from Seattle to Lisbon?

    Flights from Seattle to Lisbon usually depart from Seattle/Tacoma Intl (SEA) and arrive at Lisbon Humberto Delgado (LIS).

  • Which airports do connecting flights from Seattle to Lisbon pass through?

    One-stop flights from Seattle to Lisbon most commonly connect through:

    • London Heathrow (LHR) - 32% of one-stop connections
    • Paris Charles de Gaulle (CDG) - 22% of one-stop connections
    • Reykjavik Keflavik Intl (KEF) - 9% of one-stop connections
    • Philadelphia (PHL) - 9% of one-stop connections

  • Can I save money by using flexible dates for flights from Seattle to Lisbon?

    Yes. Flexible dates can save you up to 27% on flights from Seattle to Lisbon. Saturday is the cheapest departure day at $744 round-trip on average, while Friday is the most expensive at $1,019, a difference of $275.

    Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • How much time can I save by choosing a different layover airport from Seattle to Lisbon?

    Flying via Paris Charles de Gaulle (CDG) gives the shortest average 1-stop total travel time at 14h 48m, compared with 15h 42m via London Heathrow (LHR) and 15h 58m via Munich Franz Josef Strauss (MUC).

  • What is the time difference between Seattle and Lisbon?

    Lisbon is 8 hours ahead of Seattle (Western European Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Lisbon?

    Some of the most popular sights in Lisbon are Chiado, Praça do Marquês de Pombal and Commerce Square. These are among the most viewed places in Lisbon on KAYAK.

  • How early should I get to SEA on the date I’m supposed to travel?

    On the date you’re supposed to fly to Lisbon from Seattle, it’s in your best interest to reach SEA at least 2h ahead of your flight. Getting to this airport this early will give you adequate time to go through the airport’s time-consuming checkpoints and check out the interesting sites available in its terminals.

  • Does SEA have a spa?

    If you’d like to visit a spa while waiting for your flight at SEA, you’re in luck, as this airport is home to the fabulous Terminal Gateway Spa. Situated a short distance from Gate A5, this spa features exceptional professionals. Given that it offers its services at affordable rates, you won’t incur an exaggerated bill at this spa.

  • Can I leave my luggage at LIS?

    LIS has a luggage storage facility. Located next to car park P2, this facility offers secure storage services at affordable rates. It’s worth noting that as it is usually open 24/7, you can pick up your luggage at this facility whenever you feel like it.

  • Where can I shower at LIS?

    At LIS, you can shower at either ANA Lounge, located on the 6th floor of Terminal 1, or the Airport Business Center, near check-in desks 14 to 36 in Terminal 1. Please note that to gain entry to either, you’ll have to pay an entry fee.

Your guide to booking Seattle to Lisbon flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Saturday departure and avoid flying on Friday. On this route, Saturday flights average $744, about $275 less than Friday fares (27% savings) based on the last 12 months.
  • If you're flexible on your travel dates, booking last minute (within 2 weeks of departure) tends to be around 14% cheaper than the typical fare over the last 12 months, based on KAYAK data.
  • If you can choose when to travel, plan your Seattle to Lisbon trip for January. Fares historically average $498 round-trip in that month - typically $699 less than the most expensive month, which is June (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Lisbon Humberto Delgado Airport.

    • B&B Hotel Lisboa Aeroporto
    • Star inn Lisboa
    • Ibis Styles Lisboa Aeroporto
  • If you are traveling to Lisbon with your kids, you should consider checking out Seattle-Tacoma International Airport’s (SEA) children’s play area. Located between the Central Terminal and Gates A, this children’s play area features a variety of toys and soft play areas for toddlers. Given that it is normally open round-the-clock, you can count on finding it open regardless of the time.
  • SEA features several nursing rooms. These nursing rooms are near Gates A9, C10, D10, D23, and N2. As they all feature changing tables, you can comfortably change your baby’s diapers in any of these rooms.
  • To pay for services and purchase goods easily once you land at Humberto Delgado Airport (LIS), you should convert some of your cash to the local currency. At SEA, you’ll be able to do so, as this airport features currency exchange sites. They are located in the ticketing level and baggage claim area in the Main Terminal and near Gates A and S.
  • LIS features information desks in its Arrivals Hall and Departures Hall. At any of these information desks, open from 7 am to 12 am, you can rest assured of getting the help you need once you land at this airport, as they are both manned by informed airport staff.
  • If you have the necessary documents, you can easily rent a car at LIS, as this airport features counters for car rental agencies such as Hertz, SIXT, Europcar, Avis, Budget, and other local car rentals. As the counters for these car rentals are within the airport’s terminal complex, you won’t need any form of ground transportation to get to the counter of your preferred car rental.

More options for your flight from Seattle to Lisbon

Complete your trip to Lisbon with a hotel stay or car rental

Car rentals in Lisbon
Hotels in Lisbon
Vacations in Lisbon