Flying from Porto Airport (OPO) to Washington Dulles International Airport (IAD): what you need to know
Washington DC's timezone is UTC-4, making Washington DC four hours behind Porto.
Arriving two hours before an international flight and one hour ahead of a domestic departure are tried-and-true travel tips. Get to the airport on time to catch your OPO to IAD flight.
You'll likely experience longer lines during popular months such as August. Arriving up to four hours ahead of an international flight and two hours for domestic departures will help ensure a smooth travel experience.
If you want to include a stop along the way, just uncheck 'Direct flights only' when searching for your ticket from Porto Airport to Washington Dulles International Airport. Here are the most popular stopovers between OPO and IAD:
John F. Kennedy International Airport
Adolfo Suarez Madrid-Barajas Airport
Pearson International Airport
How to find the cheapest flights from Porto Airport (OPO) to Washington Dulles International Airport (IAD)
The lowest price we've seen for a one-way Porto Airport to Washington Dulles International Airport flight is £275. A round-trip plane ticket is currently £352. Depending on the availability when you book, these fares can change.
Don't wait until the last minute. You're more likely to find cheap tickets from OPO to IAD if you book early. Airlines often have some terrific early bird discounts.
If you can be flexible with your travel plans, try using the 'Whole month' tool. It'll show you the cheapest price across every month when looking for your flight from Porto Airport to Washington Dulles International Airport.
Snapping up cheap flights from OPO to IAD couldn't be easier with Price Alerts. Simply set up one of these automatic alerts and we'll let you know as soon as there's a better deal.
Pick your preferred departure and arrival times, number of stops and airlines with the filters. Or sort your results by 'Cheapest' to get the best deals on flights from Porto Airport to Washington Dulles International Airport.
Handy information about Porto Airport (OPO)
When it comes to Porto Airport's on-time performance, 74.49% of flights arrive within the scheduled timeframe.
To get to Porto Airport from central Porto, it'll take around 20 minutes if you're travelling by car. Of course, this depends on traffic conditions. It's approximately 10 miles from the airport to the city centre.
The journey on public transport typically takes 50 minutes.
Need a convenient hotel close to OPO? If you've booked an early flight from Porto Airport to Washington Dulles International Airport, these stays will have you sleeping moments from your departure lounge:
Arriving at Washington Dulles International Airport (IAD)
The last thing you want is a long trip to your hotel if you're landing late on a Porto Airport to Washington Dulles International Airport flight. Book one of these accommodation options near IAD instead:
Hit the road running by picking up a Washington Dulles International Airport rental car. Grab a set of wheels from Dollar, Thrifty or Sixt and experience the lesser-explored corners of Washington DC and beyond.
Reserving your vehicle from Washington Dulles International Airport about one week in advance increases your chances of getting a good deal.
Getting from Washington Dulles International Airport (IAD) to central Washington DC
IAD is located at 1 Saarinen Circle.
From Washington Dulles International Airport, Washington DC is approximately 35 miles away. It takes around 50 minutes to reach the centre driving.
Getting to the centre by public transport takes about 3 hours 25 minutes.
When to fly to Washington Dulles International Airport (IAD)
The quietest month for a flight from Porto Airport to Washington Dulles International Airport is January, while April is the most popular. Pick the ideal time to go to Washington DC based on whether you prefer a more relaxed vibe or a faster pace.
The warmest month in Washington DC is July, with temperatures ranging between 19ºC (66ºF) and 33ºC (91ºF). Lock in your flights from Porto Airport to Washington Dulles International Airport in this month if you like this kind of weather.
If you like cooler conditions, search for a cheap ticket from OPO to IAD in January. Temperatures average between -6ºC (21ºF) and 10ºC (50ºF) then.
Explore more of United States
New York is just one of the many cities in United States waiting to be explored once you've seen Washington DC. Around 200 miles away to the north-east, well-known attractions include Statue of Liberty, Central Park and Empire State Building.
If you're interested in discovering another major destination in United States, head for Philadelphia, about 120 miles north-east of Washington DC. Liberty Bell, Independence Hall and Philadelphia Museum of Art are among the biggest draws.
