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Cheap Flights from Porto to Washington D.C.

Compare Porto to Washington D.C. flight deals

Find the cheapest month or even day of the year to fly to Washington D.C.

Book the best Washington D.C. fare with no extra fees

Flight deals from Porto Airport to Washington D.C.

Looking for a cheap last-minute deal or the best return flight from Porto Airport to Washington D.C.? If you want to travel next month, return fares start from R 9,089. Find the lowest prices on one-way and return tickets right here.
Washington D.C..R 5,774 per passenger.Departing Tue, 28 Apr.One-way flight with Iberia.Outbound indirect flight with Iberia, departs from Porto on Tue, 28 Apr, arriving in Washington Dulles.Price includes taxes and charges.From R 5,774, select.
Washington D.C..R 5,795 per passenger.Departing Mon, 15 Jun.One-way flight with Iberia.Outbound indirect flight with Iberia, departs from Porto on Mon, 15 Jun, arriving in Washington Dulles.Price includes taxes and charges.From R 5,795, select.
Washington D.C..R 5,797 per passenger.Departing Thu, 3 Sep.One-way flight with Iberia.Outbound indirect flight with Iberia, departs from Porto on Thu, 3 Sep, arriving in Washington Dulles.Price includes taxes and charges.From R 5,797, select.
Washington D.C..R 5,797 per passenger.Departing Sun, 4 Oct.One-way flight with Iberia.Outbound indirect flight with Iberia, departs from Porto on Sun, 4 Oct, arriving in Washington Dulles.Price includes taxes and charges.From R 5,797, select.
Washington D.C..R 5,799 per passenger.Departing Thu, 5 Nov.One-way flight with Iberia.Outbound indirect flight with Iberia, departs from Porto on Thu, 5 Nov, arriving in Washington Dulles.Price includes taxes and charges.From R 5,799, select.
Washington D.C..R 5,865 per passenger.Departing Fri, 15 May.One-way flight with Iberia.Outbound indirect flight with Iberia, departs from Porto on Fri, 15 May, arriving in Washington Ronald Reagan.Price includes taxes and charges.From R 5,865, select.
Washington D.C..R 5,889 per passenger.Departing Tue, 25 Aug.One-way flight with Iberia.Outbound indirect flight with Iberia, departs from Porto on Tue, 25 Aug, arriving in Washington Ronald Reagan.Price includes taxes and charges.From R 5,889, select.
Washington D.C..R 5,892 per passenger.Departing Sat, 12 Dec.One-way flight with Iberia.Outbound indirect flight with Iberia, departs from Porto on Sat, 12 Dec, arriving in Washington Dulles.Price includes taxes and charges.From R 5,892, select.
Washington D.C..R 7,027 per passenger.Departing Wed, 11 Mar.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from Porto on Wed, 11 Mar, arriving in Washington Dulles.Price includes taxes and charges.From R 7,027, select.
Washington D.C..R 7,035 per passenger.Departing Wed, 8 Jul.One-way flight with Iberia.Outbound indirect flight with Iberia, departs from Porto on Wed, 8 Jul, arriving in Washington Ronald Reagan.Price includes taxes and charges.From R 7,035, select.

Find the cheapest month to fly from Porto to Washington D.C.

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Porto to Washington D.C. flights are currently cheapest in April.
Mar
from R 7,027
Apr
from R 5,774
May
from R 5,865
Jun
from R 5,795
Jul
from R 7,035
Aug
from R 5,889
Sep
from R 5,797
Oct
from R 5,797
Nov
from R 5,799
Dec
from R 5,892
Jan
Find prices
Feb
Find prices

Alternative Porto to Washington D.C. routes

Looking for the cheapest, fastest or easiest route from Porto to Washington D.C.? You could fly into the following airports instead.

Washington Ronald Reagan

5km from central Washington D.C.
Closest
from R 5,864
Search flights

Camp Springs Andrews AFB

17km from central Washington D.C.
Search flights

Washington Dulles

37km from central Washington D.C.
Cheapest
from R 5,774
Search flights

Baltimore Washington International

44km from central Washington D.C.
from R 5,864
Search flights

Manassas

47km from central Washington D.C.
Search flights

Porto to Washington D.C.: Flight information

The things to know before you go.
Cheapest flight foundR 5,774
Cheapest month to flyApril

Check out these Washington D.C. hotels

Ready to plan your stay? Other travellers rate these Washington D.C. hotels for cleanliness, service and location.
Hotel AKA Washington Circle
1.51 km from city centre
R 6 682
Per night
Sixty DC
1.17 km from city centre
R 7 511
Per night
Hotel Hive
1.53 km from city centre
R 6 638
Per night
Hotel AKA Washington Circle
1.51 km from city centre
R 6 682
Per night
Sixty DC
1.17 km from city centre
R 7 511
Per night
Hotel Hive
1.53 km from city centre
R 6 638
Per night
Explore top-rated hotels

Finding cheap flights from Porto to Washington D.C.: Frequently asked questions

There are 5 airports in Washington D.C.: Washington Ronald Reagan, Camp Springs Andrews AFB, Washington Dulles, Baltimore Washington International, and Manassas.
The best price we found for a return flight from Porto to Washington D.C. is R 9,089. 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 Porto to Washington D.C.. But we found flights with one or more stops from R 9,089.
As of March 2026, there are no flights flying from Porto to Washington D.C..
The cheapest month to fly from Porto to Washington D.C. is usually April.
If you're flying from Porto Airport, the cheapest airport near Washington D.C. is Washington Dulles – which is 36.5 km away from the centre of Washington D.C.. We've found flights into this airport from R 9,089.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Porto Airport to Washington D.C. on Thursday, 23 April 2026.
No airlines currently offer direct flights between Porto Airport and Washington D.C.. 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 Washington D.C. 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 Washington D.C. is around 40 days in advance, so don’t leave your flight to the last minute.
In March, the average temperature is usually around 6°C. July is typically the warmest month in Washington D.C., when it usually averages around 31°C. You can expect the least rain in February. The coldest month is January, with temperatures averaging -4°C. The rainiest month is September.
Currently, KLM offers the cheapest flight tickets to Washington D.C..

Flying from Porto Airport (OPO) to Washington DC: what you need to know

  • Porto Airport is located in Porto. Based in the UTC-4 timezone, Washington DC is four hours behind Porto.

  • Allow plenty of time to get on your OPO to Washington DC flight. As a rule of thumb, arrive two hours before international departures and an hour ahead for domestic flights.

  • Taking off during a peak period like public or school holidays? Expect longer queues at check-in and security. Give yourself extra leeway and arrive up to four hours before international flights and two hours ahead of domestic departures.

  • Consider adding a stopover to potentially unlock a cheaper flight ticket from OPO to Washington DC. Simply deselect 'Direct flights only' during your search. Break up your journey by stopping at one of these popular options:

    • Frankfurt Airport (FRA)

    • John F. Kennedy International Airport (JFK)

    • Adolfo Suarez Madrid-Barajas Airport (MAD)

  • Located around 11 kilometres from central Porto, OPO can be reached in about 20 minutes by car, depending on traffic. Travelling on public transport will take roughly 50 minutes.

  • Want an easy start to your travels? Stay near OPO. Whether you've booked an early flight from Porto Airport to Washington DC or just don't want to be rushed, these hotels are worth a look:

  • Of all flights leaving Porto Airport, 74.49% land on time at their destination.

How to find the cheapest flights from Porto Airport (OPO) to Washington DC

  • R 5,774 is currently the best price for a one-way Porto Airport to Washington DC flight. Return flight tickets start at R 9,089. These fares can change depending on availability and demand.

  • Don't leave everything to the last minute. You're more likely to find cheap flights from OPO to Washington DC if you book ahead. Airlines often offer some excellent early bird rates.

  • Landing cheap tickets from Porto Airport to Washington DC is easier if you can be flexible with your dates. Use the 'Whole month' tool to get the best prices across the month and bag an awesome deal.

  • Picking up a cheap flight from OPO to Washington DC couldn't be easier with Price Alerts. All you need to do is create one of these automatic notifications and we'll get in touch as soon as a cheaper option becomes available.

  • Tailor your flights with filters. Select your arrival and departure times, total journey duration and airlines. You can also sort the results by 'Fastest,' 'Best' or 'Cheapest' flights from Porto Airport to Washington DC.

Airports in Washington DC

Ronald Reagan National Airport (DCA)

  • The distance from Ronald Reagan National Airport (DCA) to central Washington DC is roughly 8 kilometres. It takes around 15 minutes to reach the centre driving.

  • Getting there by public transport typically takes 45 minutes.

  • The last thing you want is a long journey to your hotel if you're landing late on a flight from Porto Airport to Washington DC. Check in to one of these accommodation options near DCA instead:

  • Get on the fast track to adventure by picking up a Ronald Reagan National Airport rental car. Grab your wheels from Thrifty, Sixt or Dollar and explore beyond Washington DC's main sights.

  • Reserving your vehicle from Ronald Reagan National Airport around four weeks in advance of your flight from OPO to Washington DC can help you lock in the lowest rate.

  • DCA is located at 1 Aviation Circle.

Washington Dulles International Airport (IAD)

  • Washington Dulles International Airport (IAD) is about 56 kilometres from the centre of Washington DC. Once you've hopped off your flight from Porto Airport to Washington DC, it'll take you around 50 minutes to get to the heart of the city in a cab or ride-share.

  • Travelling by public transport will take about 1 hour 10 minutes.

  • You'll find some great places ready to welcome you near IAD. Settle in and get cosy after your OPO to Washington DC flight at any of these perfectly located options:

  • Forget about inconvenient public transport schedules or waiting forever for a cab. Pick up a Washington Dulles International Airport rental car and let your trip unfold on your terms. Compare rates and availability from Dollar, Thrifty and Sixt.

  • Call dibs on the best options. Securing your ride from IAD one week in advance often means better prices and a greater selection of vehicles.

  • Washington Dulles International Airport can be found at 1 Saarinen Circle.

Baltimore/Wash International Thurgood Marshall Airport (BWI)

  • Make tracks for the city centre after your flight from Porto Airport to Washington DC has landed. Central Washington DC is about 48 kilometres from Baltimore/Wash International Thurgood Marshall Airport (BWI) and takes roughly 50 minutes to reach by car.

  • The journey will take you about 1 hour 30 minutes using public transport.

  • Stay at a hotel near BWI and go from the runway to resting in a snap. Whether you're coming in on a late OPO to Washington DC flight or just want a hassle-free arrival, these accommodation options bring comfort closer to you:

  • Stay in control of the next chapter of your journey by picking up a Baltimore/Wash International Thurgood Marshall Airport rental car. Dollar, Thrifty and Budget are dependable companies for booking.

  • If you're looking for a specific make or model, book your ride from BWI about two weeks ahead of your flight from Porto Airport to Washington DC. This gives you a better shot at getting your preferred car, along with a better price.

Best time to go to Washington DC

  • Before scheduling your flights from Porto Airport to Washington DC, consider which time of year is best for you. High season in Washington DC offers a bustling atmosphere and plenty to do, while the low season brings cheaper hotel deals and fewer crowds.

  • Before locking in your Porto Airport to Washington DC flight ticket, think about the weather you're most comfortable in. July is the warmest month in Washington DC, with temperatures ranging from 19ºC (66ºF) to 33ºC (91ºF).

  • January has average temperatures of between -6ºC (21ºF) and 10ºC (50ºF). Search for a cheap ticket from OPO to Washington DC around that time if you want to travel in cooler conditions.

More about Washington DC

Explore more of United States

  • New York is just one of the many cities in United States waiting to be explored after you've experienced Washington DC. Around 322 kilometres away to the north-east, well-known attractions include Statue of Liberty, Central Park and Empire State Building.

  • Philadelphia is another essential stop in United States and is around 193 kilometres north-east of Washington DC. No journey is complete without experiencing Liberty Bell, Independence Hall and Philadelphia Museum of Art.

Plan the rest of your trip from Porto to Washington D.C.

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