$369 Cheap flights from Seattle - Tacoma Intl. to Humberto Delgado (SEA to LIS)

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Find The Best Dates To Fly from Seattle - Tacoma Intl. to Humberto Delgado

Compare Flight Prices from Seattle to Lisbon

Affordable Airfare Tickets from SEA to LIS Airport

The cheapest flights to Humberto Delgado found within the past 7 days were $525 round trip and $369 one way. Prices and availability subject to change. Additional terms may apply.

Sat, Oct 25 - Sun, Nov 2
SEA
Seattle
LIS
Lisbon
$525 Roundtrip, found 4 hours ago
$525
Roundtrip
found 4 hours ago
Select Icelandair flight, departing Sat, Oct 25 from Seattle to Lisbon, returning Sun, Nov 2, priced at $525 found 4 hours ago
Sat, Nov 15 - Sat, Nov 29
SEA
Seattle
LIS
Lisbon
$562 Roundtrip, found 3 days ago
$562
Roundtrip
found 3 days ago
Select Air Canada flight, departing Sat, Nov 15 from Seattle to Lisbon, returning Sat, Nov 29, priced at $562 found 3 days ago
Wed, Nov 26 - Sat, Dec 6
SEA
Seattle
LIS
Lisbon
$592 Roundtrip, found 4 days ago
$592
Roundtrip
found 4 days ago
Select Virgin Atlantic flight, departing Wed, Nov 26 from Seattle to Lisbon, returning Sat, Dec 6, priced at $592 found 4 days ago
Sat, Mar 7 - Mon, Mar 16
SEA
Seattle
LIS
Lisbon
$603 Roundtrip, found 3 days ago
$603
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Sat, Mar 7 from Seattle to Lisbon, returning Mon, Mar 16, priced at $603 found 3 days ago
Thu, Oct 16 - Wed, Nov 5
SEA
Seattle
LIS
Lisbon
$635 Roundtrip, found 14 hours ago
$635
Roundtrip
found 14 hours ago
Select Delta flight, departing Thu, Oct 16 from Seattle to Lisbon, returning Wed, Nov 5, priced at $635 found 14 hours ago
Sun, Aug 17 - Wed, Aug 27
SEA
Seattle
LIS
Lisbon
$636 Roundtrip, found 1 day ago
$636
Roundtrip
found 1 day ago
Select Scandinavian Airlines flight, departing Sun, Aug 17 from Seattle to Lisbon, returning Wed, Aug 27, priced at $636 found 1 day ago
Tue, Dec 9 - Wed, Dec 17
SEA
Seattle
LIS
Lisbon
$644 Roundtrip, found 3 days ago
$644
Roundtrip
found 3 days ago
Select British Airways flight, departing Tue, Dec 9 from Seattle to Lisbon, returning Wed, Dec 17, priced at $644 found 3 days ago
Sat, Oct 18 - Mon, Nov 3
SEA
Seattle
LIS
Lisbon
$656 Roundtrip, found 14 hours ago
$656
Roundtrip
found 14 hours ago
Select United flight, departing Sat, Oct 18 from Seattle to Lisbon, returning Mon, Nov 3, priced at $656 found 14 hours ago
Sat, Oct 18 - Mon, Nov 3
SEA
Seattle
LIS
Lisbon
$674 Roundtrip, found 14 hours ago
$674
Roundtrip
found 14 hours ago
Select American Airlines flight, departing Sat, Oct 18 from Seattle to Lisbon, returning Mon, Nov 3, priced at $674 found 14 hours ago
Wed, Nov 12 - Mon, Nov 24
SEA
Seattle
LIS
Lisbon
$680 Roundtrip, found 1 day ago
$680
Roundtrip
found 1 day ago
Select Iberia flight, departing Wed, Nov 12 from Seattle to Lisbon, returning Mon, Nov 24, priced at $680 found 1 day ago

Humberto Delgado flight + hotel packages - economy flights

Price found within the past 48 hours. Click for updated prices.
EXE Liberdade

EXE Liberdade

3 out of 5
per person
Jun 14 - Jun 20
found 1 day ago
Roundtrip non-stop flight included
Seattle (SEA) to Lisbon (LIS)
Corinthia Lisbon

Corinthia Lisbon

5 out of 5
Save 100% on your flight
per person
Jun 14 - Jun 20
found 22 hours ago
Roundtrip non-stop flight included
Seattle (SEA) to Lisbon (LIS)
Eurostars Das Letras

Eurostars Das Letras

5 out of 5
per person
Jun 14 - Jun 20
found 1 day ago
Roundtrip non-stop flight included
Seattle (SEA) to Lisbon (LIS)
Eurostars Universal Lisboa

Eurostars Universal Lisboa

5 out of 5
per person
Jun 14 - Jun 20
found 1 day ago
Roundtrip non-stop flight included
Seattle (SEA) to Lisbon (LIS)
The Lumiares Hotel & Spa

The Lumiares Hotel & Spa

5 out of 5
Save 100% on your flight
per person
Jun 14 - Jun 20
found 1 day ago
Roundtrip non-stop flight included
Seattle (SEA) to Lisbon (LIS)
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Frequently asked questions

Can I catch a flight from SEA to Humberto Delgado Airport (LIS) right now?
Ensure you check out our Covid-19 Travel Advisor to learn if there are any current travel advice reports or quarantine requirements in effect in Lisbon/Portela Airport when flying in from Sea-Tac Airport.
Are there direct flights from Seattle - Tacoma Intl. Airport (SEA) to Humberto Delgado Airport (LIS)?
Virgin Atlantic, Delta and British Airways will take you to Lisbon District from Seattle with one stopover. Unfortunately, there are no direct flights between SEA and Lisbon Airport as yet.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to Humberto Delgado Airport (LIS), please visit our Customer Service Portal.
How long is the flight from Seattle - Tacoma Intl. Airport (SEA) to Lisbon Airport?
Taking around 13 hours and 27 minutes in total, traveling from Seattle to Lisbon District is no walk in the park. On such a long journey, it’s a smart idea to get up and stretch your legs often.
What is the flight distance from Seattle - Tacoma Intl. Airport (SEA) to Lisbon/Portela Airport?
With 5,200 mi separating SEA and Humberto Delgado Airport (LIS), you’ll have time to kick back and relax. Enjoy the entertainment on board, tackle a crossword or have a snooze.
What airlines fly from Seattle - Tacoma Intl. Airport (SEA) to LIS?
When traveling from Seattle - Tacoma Intl. Airport (SEA) to LIS, you’ll need to plan ahead — no direct flights are currently available. Booking early should help you find the most convenient route and price.
What airlines have practices regarding COVID-19 in place and use social distancing?
From the moment you enter the departure terminal to when you leave the arrivals terminal, if you’re flying with TAP Air Portugal, Ryanair or EasyJet you can be sure that COVID-19 measures and social distancing rules have been adhered to. Many airlines have introduced capped capacity flights and keeping the middle seat empty.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

Flight information from Seattle to Lisbon

 

Traveling From
Seattle - Tacoma Intl.
Traveling To
Humberto Delgado
Shortest Flight Time
 hours mins
Earliest Departure Time
Latest Departure Time
Lowest Flight Price
$525

Route Info

Flight path for flights from Seattle-Tacoma International Airport to Lisbon Portela Airport


Origin:
SEA - Seattle-Tacoma International Airport
Destination:
LIS - Lisbon Portela Airport
Distance:
5,853.00 miles


Airlines & Aircraft Used on SEA to LIS Flight Routes


Airline Carrier
Aircraft
American Airlines
Boeing 777-300ER

Discover our best flights from Seattle SEA to Lisbon LIS. 

With 20 airlines to choose from on Travelocity, you can easily find the best option for you. Use our filters to sort by price, compare airlines, and find the most convenient flight times. 

 

Find our best return flights from Seattle SEA to Lisbon LIS at the right price  

Airfares to Lisbon LIS from Seattle SEA currently cost between $525 and $680. It’s usually cheaper to book a round trip than two separate one-way flights. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way flights from Seattle SEA to Lisbon LIS 

If you want to be flexible about when you return, or keep your travel options open ended, a one-way flight could be just the ticket! You’ll find one-way airfares from Seattle SEA to Lisbon LIS on Travelocity starting at $369. Prices and availability subject to change. Additional terms may apply. 

 

Get to Lisbon LIS from Seattle SEA quicker with direct flights. 

Get to Lisbon faster, without the hassle of changing planes and moving baggage, by booking a direct flight. Expect your direct flight to LIS from SEA to take around hour(s) min(s).  

 

Find our cheapest airfares for flights from Seattle SEA to Lisbon LIS

Find cheap flight deals by using our search filters to sort results starting with the lowest price airfares to LIS from SEA. Our Price Match Promise means if you find a lower rate on Travelocity.com or on another US-based website within 24 hours of booking, we’ll credit or refund the difference.  

 

Get our best airfare deals for your flight from Seattle SEA to Lisbon LIS today 

If you’re flexible about when you travel, October is usually the cheapest month to fly from Seattle SEA to Lisbon LIS. If you need to be more specific, search by date and arrival and departure times.Then, compare prices across different airlines, and sort results by lowest price first. 

 

Book flexible airline tickets for flights to Lisbon LIS from Seattle SEA 

Some airlines let you change your travel dates without charging a fee. Use our ‘no change fee’ filter to see which flights to LIS from SEA have this option.  

 

Travel with confidence when you book flights to Lisbon LIS from Seattle SEA with Travelocity 

We’ve secured fantastic deals with all the main airline carriers and it’s easy to compare, choose, and book with Travelocity. With 24/7 customer service and our free 'App', we’ll always keep you moving. 

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.