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Cheap Flights from Seattle to Porto $967.18

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Cheapest Flights from Seattle to Porto (SEA to OPO)

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Interesting Facts About Flights from Seattle to Porto (SEA to OPO)

Question : How many days should you spend in Porto?
Answer : The average time spent in Porto by passengers from Seattle is eight days.

Question : How much should a trip from Seattle (SEA) to Porto (OPO) cost?
Answer : Flight prices fluctuate a lot more than most routes from the United States for SEA to OPO. They range anywhere from $960 to $8,466. The further out you book a route, the more likely you are to save.

Question : Will you do what it takes to get the absolute cheapest flight?
Answer : In April, the cheapest day to fly is Friday. Flexibility is paramount when booking travel plans in order to keep travel costs down.

Question : What is the cheapest day to fly in the next four weeks?
Answer : Mar 28th has seen bookings (as of Mar 27th) as cheap as $960. That comes in 47% below the average price for this route. Saving on booking fees means you'll have more money in your hand for the trip.

Question : Who's offering the cheapest round-trip flight to Porto Airport (OPO) over the coming months?
Answer : American Airlines is your best bet for finding that coveted low fare. They're offering fares as low as $960, while prices for other flights are as high as $8,466.