C$550 Cheap Flights from Lisbon (LIS) to Seattle (SEAA)

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Flight deals from Lisbon to Seattle

Looking for a cheap last-minute deal or the best return flight from Lisbon Airport to Seattle? If you want to travel next month, return fares start from C$1,010. 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 May.

Lisbon to Seattle: Flight information

The things to know before you go.
Cheapest flight foundC$550
Cheapest month to flyMay

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 C$1,010. 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 C$1,010.
As of April 2026, there are no flights flying from Lisbon to Seattle.
The cheapest month to fly from Lisbon to Seattle is usually May.
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 C$1,010.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Lisbon Airport to Seattle on Friday, May 1, 2026.
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 April, the average temperature is usually around 8°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, Aer Lingus offers the cheapest flight tickets to Seattle.

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

  • Lisbon Portela Airport is located in Lisbon. Operating on the UTC-7 timezone, Seattle is 7 hours behind Lisbon.

  • To ensure you catch your flight from LIS to Seattle, leave plenty of time to check in and find your gate. Turning up two hours before international departures and an hour before domestic flights is the general travel rule.

  • You can expect longer lines in popular months such as June and other peak seasons. Arriving up to four hours in advance for international flights and two hours for domestic departures is a wise move.

  • A stopover is the perfect opportunity to take a break from travelling — and maybe even explore a different city. When searching for flights from LIS to Seattle, uncheck the 'Direct flights only' box to see where you can visit along the way. Consider one of these popular options:

    • London Heathrow Airport (LHR)

    • Dublin Airport (DUB)

    • Charles de Gaulle Airport (CDG)

  • To travel to United States for tourism purposes, you will need an ETA if you have a passport from Portugal. However, visa rules can change and you may need other documents depending on the purpose and length of your stay. Always check the latest guidelines before you book your cheap ticket from Lisbon Portela Airport to Seattle.

  • The journey from central Lisbon to LIS takes about 59 minutes by public transport. If you ride-share, drive or grab a cab, you'll cover the 10 kilometres in 22 minutes or so, depending on traffic conditions.

  • Planning to catch an early flight from Lisbon Portela Airport to Seattle? Avoid rushing to the terminal (and enjoy a little extra shut-eye) by choosing one of these hotels close to LIS:

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

  • The best price we've found for a one-way ticket from Lisbon Portela Airport to Seattle is C$550. The cheapest price for a return flight is C$1,010. Keep in mind fares can change due to demand at the time of booking.

  • To get your hands on cheap tickets from LIS to Seattle, book in advance. Airlines tend to offer their most competitively priced fares when flights are first made available.

  • Getting cheap tickets from Lisbon Portela Airport to Seattle is more likely if you're flexible with your travel dates. Check out the 'Whole month' search tool to show the best prices across every month and score a great deal.

  • Locking in a cheap ticket from LIS to Seattle couldn't be easier with Price Alerts. All you need to do is set up one of these automatic alerts and we'll let you know when there's a better deal.

  • Use the filters to tailor your flights from Lisbon Portela Airport to Seattle. Enter your ideal departure and arrival times, airlines and number of stops. Or sort your results by 'Cheapest' to get the best deals.

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

  • Seattle-Tacoma International Airport (SEA) to central Seattle takes around 18 minutes by car. It's approximately 23 kilometres away.

  • If you're taking public transport, expect a journey time of roughly 54 minutes.

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

Lake Union Sea Plane Base Airport (LKE)

Best time to go to Seattle

  • July is the most popular month for flights from Lisbon Portela Airport to Seattle. To escape the crowds, head to Seattle in May when things are quieter.

  • Before you book a flight from Lisbon Portela Airport to Seattle, think about the type of weather you enjoy. August is the warmest month in Seattle, with the temperature ranging from 12ºC to 28ºC.

  • February has average temperatures of between -1ºC and 11ºC. Search for cheap flights from LIS to Seattle sometime then if you want to travel when it's cooler.

More about Seattle

Complete your Seattle trip with a car rental

  • We use the same magic that helped you find your cheap flight from Lisbon Portela Airport to Seattle to track down incredible deals on car rentals. Search for your ride in seconds and compare your options in one place. Plus we give you everything you need to know about car rentals in Seattle, from the most popular rental company to the average daily price.

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