$510 Cheap flights from Humberto Delgado to Seattle - Tacoma Intl. (LIS to SEA)

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

Amazing LIS to SEA Flight Deals

The cheapest flights to Seattle - Tacoma Intl. found within the past 7 days were $773 round trip and $510 one way. Prices and availability subject to change. Additional terms may apply.

Wed, Jun 19 - Wed, Nov 6
LIS
Lisbon
SEA
Seattle
$773 Roundtrip, found 4 days ago
$773
Roundtrip
found 4 days ago
Select Aer Lingus flight, departing Wed, Jun 19 from Lisbon to Seattle, returning Wed, Nov 6, priced at $773 found 4 days ago
Tue, Dec 10 - Tue, Jan 7
LIS
Lisbon
SEA
Seattle
$804 Roundtrip, found 6 days ago
$804
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Tue, Dec 10 from Lisbon to Seattle, returning Tue, Jan 7, priced at $804 found 6 days ago
Wed, Jan 22 - Thu, Jan 30
LIS
Lisbon
SEA
Seattle
$805 Roundtrip, found 3 days ago
$805
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Wed, Jan 22 from Lisbon to Seattle, returning Thu, Jan 30, priced at $805 found 3 days ago
Wed, Jan 22 - Thu, Jan 30
LIS
Lisbon
SEA
Seattle
$806 Roundtrip, found 3 days ago
$806
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Wed, Jan 22 from Lisbon to Seattle, returning Thu, Jan 30, priced at $806 found 3 days ago
Tue, Dec 10 - Tue, Jan 7
LIS
Lisbon
SEA
Seattle
$808 Roundtrip, found 6 days ago
$808
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Tue, Dec 10 from Lisbon to Seattle, returning Tue, Jan 7, priced at $808 found 6 days ago
Tue, Apr 30 - Tue, May 7
LIS
Lisbon
SEA
Seattle
$811 Roundtrip, found 1 day ago
$811
Roundtrip
found 1 day ago
Select British Airways flight, departing Tue, Apr 30 from Lisbon to Seattle, returning Tue, May 7, priced at $811 found 1 day ago
Tue, Dec 10 - Tue, Jan 7
LIS
Lisbon
SEA
Seattle
$816 Roundtrip, found 6 days ago
$816
Roundtrip
found 6 days ago
Select Air Canada flight, departing Tue, Dec 10 from Lisbon to Seattle, returning Tue, Jan 7, priced at $816 found 6 days ago
Wed, May 22 - Mon, May 27
LIS
Lisbon
SEA
Seattle
$820 Roundtrip, found 6 days ago
$820
Roundtrip
found 6 days ago
Select Swiss International Air Lines flight, departing Wed, May 22 from Lisbon to Seattle, returning Mon, May 27, priced at $820 found 6 days ago
Mon, Apr 22 - Sat, May 4
LIS
Lisbon
SEA
Seattle
$822 Roundtrip, found 4 days ago
$822
Roundtrip
found 4 days ago
Select American Airlines flight, departing Mon, Apr 22 from Lisbon to Seattle, returning Sat, May 4, priced at $822 found 4 days ago
Thu, Sep 12 - Sat, Feb 8
LIS
Lisbon
SEA
Seattle
$824 Roundtrip, found 3 days ago
$824
Roundtrip
found 3 days ago
Select Iberia flight, departing Thu, Sep 12 from Lisbon to Seattle, returning Sat, Feb 8, priced at $824 found 3 days ago

Frequently asked questions

Are there direct flights from LIS to Sea-Tac Airport?
Take note of your connecting gate, because there are no direct flights from LIS to SEA. Delta, KLM and Virgin Atlantic are among the airlines that will fly you to Seattle with just one stopover.
How long is the flight from Humberto Delgado Airport (LIS) to Seattle - Tacoma Intl. Airport (SEA)?
The trip from Lisbon/Portela Airport to Seattle - Tacoma Intl. Airport (SEA) generally takes about 14 hours and 16 minutes. You’ll have ample opportunity to get some shut-eye on this long-haul flight, but don’t forget to bring a travel pillow if you really want to be comfortable.
What is the flight distance from Lisbon/Portela Airport to SEA?
The flight distance from LIS to Sea-Tac Airport is 5,200 mi. Travel pillow? Check. A couple of snacks for good measure? Double check. You’ll need all your carry-on basics for this journey.
What airlines fly from LIS to Sea-Tac Airport?
Given there are no direct flights available between Lisbon Airport and Sea-Tac Airport, you’ll have at least one stopover. Best to plan ahead if you want to find the least stressful route and save yourself some time.
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.

 

Traveling From
Humberto Delgado
Traveling To
Seattle - Tacoma Intl.
Shortest Flight Time
 hours mins
Earliest Departure Time
Latest Departure Time
Lowest Flight Price
$773

Route Info

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


Origin:
LIS - Lisbon Portela Airport
Destination:
SEA - Seattle-Tacoma International Airport
Distance:
5,915.00 miles


Discover our best flights from Lisbon LIS to Seattle SEA. 

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 Lisbon LIS to Seattle SEA at the right price  

Airfares to Seattle SEA from Lisbon LIS currently cost between $773 and $824. 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 Lisbon LIS to Seattle SEA 

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 Lisbon LIS to Seattle SEA on Travelocity starting at $510. Prices and availability subject to change. Additional terms may apply. 

 

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

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

 

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

Find cheap flight deals by using our search filters to sort results starting with the lowest price airfares to SEA from LIS. 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 Lisbon LIS to Seattle SEA today 

If you’re flexible about when you travel, June is usually the cheapest month to fly from Lisbon LIS to Seattle SEA. 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 Seattle SEA from Lisbon LIS 

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

 

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