$760 Cheap Flights from Seattle to Lisbon in 2025

Compare Seattle to Lisbon flight deals

Find the cheapest month or even day of the year to fly to Lisbon

Book the best Lisbon fare with no extra fees

Flight deals from Seattle to Lisbon

Looking for a cheap last-minute deal or the best return flight from Seattle to Lisbon? Find the lowest prices on one-way and return tickets right here.

Lisbon.$760 per passenger.Departing Wed, 12 Nov, returning Thu, 27 Nov.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Seattle / Tacoma International on Wed, 12 Nov, arriving in Lisbon.Inbound indirect flight with Icelandair, departs from Lisbon on Thu, 27 Nov, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $760, select.

Lisbon.$787 per passenger.Departing Tue, 28 Oct, returning Tue, 4 Nov.Return flight with Finnair.Outbound indirect flight with Finnair, departs from Seattle / Tacoma International on Tue, 28 Oct, arriving in Lisbon.Inbound indirect flight with Finnair, departs from Lisbon on Tue, 4 Nov, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $787, select.

Lisbon.$787 per passenger.Departing Mon, 12 Jan, returning Mon, 19 Jan.Return flight with Finnair.Outbound indirect flight with Finnair, departs from Seattle / Tacoma International on Mon, 12 Jan, arriving in Lisbon.Inbound indirect flight with Finnair, departs from Lisbon on Mon, 19 Jan, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $787, select.

Lisbon.$822 per passenger.Departing Tue, 3 Mar, returning Tue, 10 Mar.Return flight with Finnair and British Airways.Outbound indirect flight with Finnair, departs from Seattle / Tacoma International on Tue, 3 Mar, arriving in Lisbon.Inbound indirect flight with British Airways, departs from Lisbon on Tue, 10 Mar, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $822, select.

Lisbon.$822 per passenger.Departing Tue, 24 Feb, returning Tue, 3 Mar.Return flight with Finnair and British Airways.Outbound indirect flight with Finnair, departs from Seattle / Tacoma International on Tue, 24 Feb, arriving in Lisbon.Inbound indirect flight with British Airways, departs from Lisbon on Tue, 3 Mar, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $822, select.

Lisbon.$966 per passenger.Departing Wed, 4 Feb, returning Thu, 12 Feb.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Seattle / Tacoma International on Wed, 4 Feb, arriving in Lisbon.Inbound indirect flight with Icelandair, departs from Lisbon on Thu, 12 Feb, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $966, select.

Lisbon.$966 per passenger.Departing Wed, 28 Jan, returning Thu, 5 Feb.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Seattle / Tacoma International on Wed, 28 Jan, arriving in Lisbon.Inbound indirect flight with Icelandair, departs from Lisbon on Thu, 5 Feb, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $966, select.

Lisbon.$968 per passenger.Departing Sat, 26 Apr, returning Sun, 11 May.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Seattle / Tacoma International on Sat, 26 Apr, arriving in Lisbon.Inbound indirect flight with Icelandair, departs from Lisbon on Sun, 11 May, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $968, select.

Find the cheapest month to fly from Seattle to Lisbon

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Seattle to Lisbon flights are currently cheapest in November.

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Jan

Feb

Mar

Seattle to Lisbon: Alternative routes

Compare routes from Seattle to Lisbon below. You may find an airport to fly into that's cheaper, faster, or easier than Lisbon.

Seattle to Lisbon: Flight information

The things to know before you go.

Cheapest flight found	$760
Cheapest month to fly	November

Finding cheap flights from Seattle to Lisbon: Frequently asked questions

How much are return flights from Seattle to Lisbon?

The best price we found for a return flight from Seattle to Lisbon is $760. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

Which airlines fly direct from Seattle to Lisbon?

Currently, there are no airlines that fly direct from Seattle to Lisbon. But we found flights with one stop from $760.

How many flights are there a week from Seattle to Lisbon?

As of April 2025, there are no flights flying from Seattle to Lisbon.

When is the cheapest time to fly from Seattle to Lisbon?

The cheapest month to fly from Seattle to Lisbon is usually November.

Which upcoming date is cheapest to fly from Seattle to Lisbon Airport on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seattle to Lisbon Airport on Wednesday, 12 November 2025.

Can I get a direct flight from Seattle to Lisbon Airport?

No airlines currently offer direct flights between Seattle and Lisbon Airport. Most routes have one or more stops.

How can I find the best flight deal to Lisbon?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Lisbon but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Lisbon?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Lisbon is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly from Seattle to Lisbon with?

The cheapest airline that flies to Lisbon is Icelandair .

Travelling from Seattle to Lisbon Portela Airport (LIS): what you need to know

There are a couple of main airports you can fly out of in Seattle. Check out your options departing from Seattle-Tacoma International Airport (SEA) or Lake Union Sea Plane Base (LKE) when organising your flight from Seattle to Lisbon Portela Airport (LIS).
The timezone in Lisbon is UTC+0, which is 7 hours ahead of Seattle. Lisbon Portela Airport is located in Lisbon.
Arrive at the airport on time so you don't miss your flight from Seattle to LIS. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid the mad dash to your gate.
With more people on the move during busy periods like July, be at your terminal even earlier. Two hours for domestic flights and as much as four for international journeys will allow for additional wait times. Remember things also get busy during major holidays like Thanksgiving.

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

We make it a piece of cake to book a flight from Seattle to LIS that includes a stopover. To see your options leaving from Seattle-Tacoma International Airport (SEA), uncheck 'Direct flights only.' Next, select a flight offering a stop long enough to explore your chosen city. Some popular stopovers between SEA and LIS include:
- London Heathrow Airport (LHR)
- Charles de Gaulle Airport (CDG)
- Washington Dulles International Airport (IAD)
The distance from central Seattle to SEA is approximately 23 kilometres. Use Google Maps for the quickest route, whether in your own car or with public transport.
Have an early flight from Seattle to Lisbon Portela Airport? Avoid the hassle of rushing to the terminal (and sneak in some extra snooze time) by choosing one of these hotels near Seattle-Tacoma International Airport:

Lake Union Sea Plane Base (LKE)

Break up your flight from Seattle to Lisbon Portela Airport with a stop so you can recharge or tick another place off your list. Some great stopovers between Lake Union Sea Plane Base and LIS are:
- Dublin Airport (DUB)
- Charles de Gaulle Airport (CDG)
- London Heathrow Airport (LHR)
Using public transport, you can travel from central Seattle to LKE in around 23 minutes. The terminal is roughly 3 kilometres away, and making the journey by car takes approximately 11 minutes.
Want to enjoy an extra night away before your flight from Seattle to LIS? Check in to a hotel near Lake Union Sea Plane Base before your holiday officially begins. Stay at one of these accommodation options:

About Lisbon Portela Airport (LIS)

The last thing you need is a long journey to your hotel if you're arriving on a late flight from Seattle to Lisbon Portela Airport. Check in to one of these accommodation options near LIS instead:

Getting from Lisbon Portela Airport (LIS) to central Lisbon

Lisbon Portela Airport to central Lisbon is about 22 minutes by car. It's approximately 10 kilometres away. See what options are available, such as car rentals, cabs or ride-sharing.
When travelling on public transport, expect a journey of roughly 59 minutes.

How to find the cheapest flights from Seattle to Lisbon Portela Airport (LIS)

For a one-way ticket from Seattle to Lisbon Portela Airport, $584 is the best price we've seen. You can also book a return trip from just $760. These are the lowest fares right now but may change based on availability.
To get your hands on flight tickets from Seattle to LIS, book ahead. Airlines typically offer lower prices when flights are first released.
Finding flight tickets from Seattle to Lisbon Portela Airport is easier if you're flexible with your trip dates. Use the 'Whole month' search tool to see the lowest fares across each month and land a great deal.
Sign into your online account or use the app to set up a Price Alert. We'll notify you straight away if the price has dropped. It's easy to do, and it'll save you time looking for a cheap ticket from Seattle to LIS every day.
Tailor your trip with filters. Select your preferred departure and arrival times, total journey duration and airlines. You can also sort results by 'Fastest,' 'Cheapest' or 'Best' flights from Seattle to Lisbon Portela Airport.

The best time to fly from Seattle to Lisbon Portela Airport (LIS)

February is the quietest time of year to travel to Lisbon. Alternatively, join the crowds and take off in June. This is the most popular month for flights from Seattle to Lisbon Portela Airport.
Lock in your flight from Seattle to LIS for August if you're eager to explore the city during its warmest month. You can expect temperatures in Lisbon to range from 16ºC to 29ºC.
January sees average temperatures of between 8ºC and 16ºC. Search for cheap flights from Seattle to Lisbon Portela Airport sometime then if you like travelling in cooler conditions.

More about Lisbon

After booking your flight from Seattle to Lisbon Portela Airport, think about where you want to stay in this city. Make one of these accommodation options your base for exploring Lisbon:
One of the best ways to get to know Lisbon is to check out its leading attractions. Some highlights include Torre de Belem Garden, Estrela At Lisbon - Tram 28 and Archaeological museum of Sao Jorge Castle.

Complete your Lisbon trip with a car rental

After you've booked your hotel and cheap flight from Seattle to Lisbon Portela Airport, the next task is choosing one of our car rentals in Lisbon. Browse the offers and instantly compare options on price, pick-up convenience, fuel policies, and more.