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OPO (Porto) to IAD (Washington) Flights $539.66

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Cheap OPO to IAD Flights

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

Interesting Facts About Flights from Porto to Washington (OPO to IAD)

Question : How many days should you spend in Dulles?
Answer : The average time spent in Dulles by passengers from Porto is 19 days.

Question : What is the cheapest day to fly in the next four weeks?
Answer : Oct 31st has seen bookings (as of Oct 16th) as cheap as $589. That comes in 44% below the average price for this route. Saving now means you'll have more money to spend on your trip.

Question : If your plans are flexible, have you considered changing your departure day?
Answer : The cheapest day to fly in November is Tuesday. Having flexibility in your travel plans means you can save more, so be sure to plan ahead when possible.

Question : How much should a trip from Porto (OPO) to Dulles (IAD) cost?
Answer : Ranging anywhere from $589 to $2,860, prices for OPO to IAD do change much more than the majority of routes from Portugal. Prices tend to be lower the further out you book.

Question : What is the cheapest round-trip ticket you can get to Dulles?
Answer : Prices are hitting as high as $2,860 over the next three months when flying to IAD from OPO. Check out KLM, as they have been booking customers at just $589.