Cheap Flights from Lisbon to Seattle

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Flight deals from Lisbon to Seattle

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

Find the cheapest month to fly from Lisbon to Seattle

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

Alternative Lisbon to Seattle routes

Looking for the cheapest, fastest or easiest route from Lisbon to Seattle? You could fly into the following airports instead.

Lisbon to Seattle: Flight information

The things to know before you go.
Cheapest flight foundR 4,952
Cheapest month to flySeptember

Finding cheap flights from Lisbon to Seattle: Frequently asked questions

There are 4 airports in Seattle: Seattle Lake Union SPB, Seattle Boeing Fld, Seattle / Tacoma International, and Paine Field.
The best price we found for a return flight from Lisbon to Seattle is R 9,717. 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.
Currently, there are no airlines that fly direct from Lisbon to Seattle. But we found flights with one or more stops from R 9,717.
As of July 2025, there are no flights flying from Lisbon to Seattle.
The cheapest month to fly from Lisbon to Seattle is usually September.
If you're flying from Lisbon Airport, the cheapest airport near Seattle is Seattle / Tacoma International – which is 19.5 km away from the centre of Seattle. We've found flights into this airport from R 9,717.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Lisbon Airport to Seattle on Thursday, 18 September 2025.
No airlines currently offer direct flights between Lisbon Airport and Seattle. Most routes have one or more stops.
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 Seattle 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.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Seattle is around 40 days in advance, so don’t leave your flight to the last minute.
In July, the average temperature is usually around 17°C. August is typically the warmest month in Seattle, when it usually averages around 23°C. You can expect the least rain in July. The coldest month is December, with temperatures averaging 0°C. The rainiest month is November.
Currently, Vueling Airlines offers the cheapest flight tickets to Seattle.

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

  • The timezone in Seattle is UTC-7. The city is seven hours behind Lisbon, where Lisbon Portela Airport is located.

  • For a relaxed start to your LIS to Seattle flight, leave enough time to navigate the airport and find your gate. Arriving two hours before international departures and one hour before domestic flights is the general travel rule.

  • Planning to travel during a peak time like public or school holidays? Expect longer queues at security and check-in. To give yourself peace of mind, arrive up to four hours before international flights and two hours ahead of domestic departures.

  • Consider adding a stopover to potentially unlock a cheaper flight ticket from LIS to Seattle. Simply deselect 'Direct flights only' during your search. Break up your journey by stopping at one of these airports:

    • London Heathrow Airport (LHR)

    • Charles de Gaulle Airport (CDG)

    • Dublin Airport (DUB)

  • Located around 6 kilometres from central Lisbon, LIS can be reached in about 20 minutes by car. Travelling on public transport will take roughly 1 hour.

  • Want a stress-free start to your journey? Stay near LIS. Whether you're taking an early flight from Lisbon Portela Airport to Seattle or don't want departure day to feel hectic, these hotels are a convenient choice:

  • 64.1% of flights taking off from Lisbon Portela Airport reach their destination on schedule.

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

  • R 4,952 is currently the best price for a one-way Lisbon Portela Airport to Seattle flight. A return flight ticket starts from R 9,717. These prices can change depending on availability and demand.

  • Don't leave everything to the last minute. You're more likely to land cheap flights from LIS to Seattle if you book ahead. Airlines often offer some excellent early bird discounts.

  • Scoring cheap tickets from Lisbon Portela Airport to Seattle is easier if you can be flexible with your trip dates. Use the 'Whole month' tool to access the lowest fares across the month and land an awesome deal.

  • Finding a cheap flight from LIS to Seattle is a breeze with Price Alerts. All you need to do is create one of these automatic notifications and we'll get in touch when a lower fare pops up.

  • Save money on your flight from Lisbon Portela Airport to Seattle with the help of our filters. Choose your ideal duration, departure time and airlines, then sort the results by 'Cheapest' to see the best deals.

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

  • Seattle-Tacoma International Airport (SEA) is around 23 kilometres from the centre of Seattle. If you're getting a cab or a ride-share, the drive takes roughly 20 minutes.

  • Getting there by public transport takes around 55 minutes.

  • Book a hotel close to SEA if you're coming in on a late flight from Lisbon Portela Airport to Seattle. Choose one of these options and make arrival day easier:

  • Grab a Seattle-Tacoma International Airport rental car and discover Seattle and beyond with your own wheels. Thrifty, Europcar and Budget are top providers to choose from here.

  • For the best deal, reserve your vehicle from Seattle-Tacoma International Airport about one week ahead of your flight from LIS to Seattle.

Lake Union Sea Plane Base Airport (LKE)

  • The centre of Seattle is about 3 kilometres from Lake Union Sea Plane Base Airport (LKE). After your flight from Lisbon Portela Airport to Seattle has hit the runway and you've made your way out of the airport, the drive should take about 10 minutes.

  • If you're travelling on public transport, it'll take around 25 minutes.

  • There are some great places ready to welcome you near LKE. Unwind and get cosy after your LIS to Seattle flight at any of these well-located options:

Best time to go to Seattle

  • Before you book your flights from Lisbon Portela Airport to Seattle, consider which time of year is best for you. Peak season in Seattle offers a bustling atmosphere and plenty of things to do, while low season brings cheaper deals on hotels and smaller crowds.

  • The warmest month in Seattle is August, with temperatures ranging between 12ºC (54ºF) and 28ºC (82ºF). Lock in your Lisbon Portela Airport to Seattle flight ticket then if you enjoy this type of weather.

  • February has average temperatures of between -1ºC (30ºF) and 11ºC (52ºF). Search for a cheap ticket from LIS to Seattle around that time if you like cooler conditions.

More about Seattle

  • After booking your flight from Lisbon Portela Airport to Seattle, find a hotel that offers both comfort and a great location. Make one of these options your base for exploring Seattle:

  • All great adventures should include a little sightseeing. LMN Architects, Greyhound: Bus Station and Boeing Radiation Effects Lab are must-do's during your Seattle adventure.

Explore more of United States

  • Portland is just one of the many cities in United States waiting to be explored once you've taken in the sights of Seattle. Around 241 kilometres away to the south, well-known attractions include Pioneer Courthouse Square, Portland Japanese Garden and Pittock Mansion.

  • If there's time to check out another great destination in United States, consider Spokane, roughly 370 kilometres east of Seattle. Manito Park, Northwest Museum of Arts & Culture and Spokane Falls are highlights.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.