LIS (Lisbon) to SEA (Seattle) Flights $813.14

Question : Do prices fluctuate more for this route than others?
Answer : Flight prices are fluctuating a lot more for this route than most routes from Portugal, as they're ranging anywhere from $1,086 to $3,382. Remember, you can save by booking further in advance.

Question : How long do most people visit Seattle?
Answer : Of course you're not most people, but if you were, you'd stay roughly 20 days.

Question : What is the cheapest day to fly in the next four weeks?
Answer : Jun 21st has seen bookings (as of Jun 19th) as cheap as $1,107. That comes in 43% below the average price for this route. Saving on booking fees means you'll have more money to spend on your trip.

Question : Over the coming months, which airline is getting their passengers to Seattle-Tacoma International Airport (SEA) round-trip the cheapest?
Answer : British Airways is the leader in keeping costs down for their passengers over the next three months. Fares are being booked at just $1,086 and, when compared to the more expensive bookings of $3,382, it's quite a deal.

Question : Can you cut down on flight costs by changing the day of the week you travel to Seattle?
Answer : The lowest-cost day to fly in July is Thursday. Flexibility is paramount when booking travel plans in order to keep travel costs down.