CA $462 Cheap Flights from Seattle (SEA) to Lisbon (LIS)

Popular airlines from Seattle-Tacoma International Airport (SEA) to Humberto Delgado Airport (LIS)

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Cheap flights from Seattle (SEA) to Lisbon (LIS)

Prices were available within the past 7 days and start at CA $462 for one-way flights and CA $692 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
United
Air Canada
American Airlines
British Airways
Virgin Atlantic
Delta
Lufthansa
KLM
Scandinavian Airlines

Find the cheapest month to fly from Seattle (SEA) to Lisbon (LIS)

February is typically the cheapest month to fly

From CA $647 - CA $1,470 per traveller.

Graph displaying average flight prices per month

Flight from Seattle to Lisbon (SEA - LIS) route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
Humberto Delgado
Airlines serving
Aer Lingus, Air Canada, Air Europa, American Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, JetBlue Airways, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United, Virgin Atlantic
Roundtrip price
CA $692
Distance
8323 km

Seattle to Lisbon District Flights

The easy way to book your flights from Seattle to Lisbon 

With Expedia, it’s simple to find and book flights to Lisbon from Seattle whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Humberto Delgado, too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Seattle to Lisbon today, tomorrow, or this week.  

 

Save dollars with cheap flights from Seattle - Tacoma Intl., SEA to Humberto Delgado, LIS 

Sort your search results by price to find great deals on your flight from Seattle to Lisbon—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Lisbon from Seattle currently is just CA $692 rising to CA $935.  

Here are more money-saving tips: 

  • Fly in April when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Lisbon  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Lisbon from Seattle 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Lisbon with Expedia today.

Frequently asked questions

How much is a flight from Sea-Tac Airport to Humberto Delgado Airport (LIS)?
Based on airfares listed within the last 7 days on Expedia for flights departing within the next year, round-trip journeys from Seattle - Tacoma Intl. Airport (SEA) to Lisbon Airport start from CA $692. Book today to get the best price for your journey. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Sea-Tac Airport to Lisbon Airport?
This differs between air carriers, as each one has its own set of terms and conditions. Head to the Customer Service Portal, where you'll find simple instructions on how to cancel online.
How do I find cheap flights from Sea-Tac Airport to LIS that have flexible change policies?
Use our "No change fees" filter to find flexible ticketing options for your flight from Seattle - Tacoma Intl. Airport (SEA) to LIS. This allows you to secure a good price in advance and still have the freedom to reschedule without any additional fees. If the new flight costs more, you'll just cover the difference.
How many hours is the flight from SEA to LIS?
The flight time from SEA to Lisbon/Portela Airport is approximately 15 hours and 1 minute. It's is no quick joyride, so be sure to fill your carry-on with whatever you need to be comfortable.
How far is the flight from Seattle - Tacoma Intl. Airport (SEA) to Lisbon Airport?
You'll have 8,400 kilometres to cover on the long-haul SeaTac to Lisbon District route. Wear layers of comfortable clothes and consider taking a pair of noise-cancelling headphones.
Which airlines fly direct from Sea-Tac Airport to Lisbon Airport?
Right now, no airlines offer direct flights from SEA to LIS. You'll need to book a flight with one or more stops. To score the best connections and price, lock in your fare well ahead of time.
Are Sea-Tac Airport to Lisbon Airport flight tickets cheaper when they're purchased at the last minute?
Late planners can sometimes find a bargain, with some super cheap airfares from Sea-Tac Airport to Lisbon Airport arising a few weeks prior to the departure date. If you'd rather plan ahead of time, Expedia compares and updates all the best flight deals frequently — as early as 12 months in advance in some cases. It depends on the carrier though, as not all airlines advertise prices that far in advance.

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