Cheap Flights from Porto to Baltimore Washington International

Compare Porto to Baltimore Washington International flight deals

Find the cheapest month or even day of the year to fly to Baltimore Washington International

Book the best Baltimore Washington International fare with no extra fees

Flight deals from Porto to Baltimore Washington International

Looking for a cheap last-minute deal or the best return flight from Porto Airport to Baltimore Washington International Airport? If you want to travel next month, return fares start from R 12,396. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Porto to Baltimore Washington International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Porto to Baltimore Washington International flights are currently cheapest in June.

Porto to Baltimore Washington International: Alternative routes

Compare routes from Porto to Washington D.C. below. You may find an airport to fly into that's cheaper, faster, or easier than Baltimore Washington International.

Porto to Washington D.C.: Flight information

The things to know before you go.
Cheapest flight foundR 5,896
Cheapest month to flyJune

Finding cheap flights from Porto to Baltimore Washington International: Frequently asked questions

The best price we found for a return flight from Porto to Baltimore Washington International is R 10,856. 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 Baltimore Washington International. But we found flights with one or more stops from R 10,856.
As of July 2026, there are no flights flying from Porto to Baltimore Washington International.
The cheapest month to fly from Porto to Baltimore Washington International is usually November.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Porto Airport to Baltimore Washington International Airport on Friday, 27 November 2026.
No airlines currently offer direct flights between Porto Airport and Baltimore Washington International Airport. 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 Baltimore Washington International 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.

Currently, Delta offers the cheapest flight tickets to Baltimore Washington International.

Travelling from Porto Airport (OPO) to Baltimore Washington International Airport (BWI): what you need to know

  • Washington DC's timezone is UTC-5, which makes Washington DC five hours behind Porto.

  • To ensure you catch your OPO to BWI flight, leave plenty of time for things like check-in and baggage drop. Arriving two hours before international departures and one hour before domestic flights is the general travel rule.

  • During popular months like August, it's a good idea to get to the airport earlier than normal. Arrive two hours before a domestic departure and four hours ahead of international flights whenever you're flying during a peak period in general.

  • We make it a breeze to book a flight with a stopover. To see all your options for tickets from Porto Airport to Baltimore Washington International Airport, deselect 'Direct flights only.' Then, choose a flight offering a stop long enough to explore the city of your choice. Popular stopovers between OPO and BWI include:

    • Frankfurt am Main Airport

    • New York John F. Kennedy Airport

    • Boston Logan International Airport

How to find the cheapest flights from Porto Airport (OPO) to Baltimore Washington International Airport (BWI)

  • The lowest price we've found for a one-way Porto Airport to Baltimore Washington International Airport flight is R 5,898. A round-trip plane ticket right now is R 10,856. Depending on the availability when you book, these fares may change.

  • It's usually smart to book in advance if you want to get cheap tickets from OPO to BWI. That's because airlines change prices based on demand, which tends to increase closer to the date of departure.

  • The 'Whole month' search tool shows you the cheapest flights from Porto Airport to Baltimore Washington International Airport across the month. It's a great way to snap up a bargain if your trip dates aren't set in stone.

  • There's no need to check back in every day to see if fares have gone down when you create a Price Alert. We'll send you an update as soon as there's a change in price on cheap flights from OPO to BWI.

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

Handy information about Porto Airport (OPO)

  • Of all flights departing from Porto Airport, 75% land on schedule at their destination.

  • To reach Porto Airport from central Porto, it takes around 20 minutes if you're travelling by car. This depends on traffic though. It's approximately 11 kilometres from the airport to the city centre.

  • The journey on public transport typically takes 30 minutes.

  • Need a convenient hotel near OPO? If you're boarding an early flight from Porto Airport to Baltimore Washington International Airport, these stays will have you moments from your departure gate:

Arriving at Baltimore Washington International Airport (BWI)

Getting from Baltimore Washington International Airport (BWI) to central Washington DC

  • Baltimore Washington International Airport to the centre of Washington DC has a drive time of about 40 minutes. It's approximately 48 kilometres away.

  • It'll take around 50 minutes if you're travelling on public transport.

When to fly to Baltimore Washington International Airport (BWI)

  • July is the busiest month for flights from Porto Airport to Baltimore Washington International Airport. To avoid the crowds, visit Washington DC in March.

  • Lock in your flight from Porto Airport to Baltimore Washington International Airport for July if you want to visit Washington DC during its warmest month. You can expect temperatures of between 19ºC (66ºF) and 33ºC (91ºF).

  • Look for cheap tickets from OPO to BWI in January if you like travelling in cooler conditions. Temperatures are at their lowest around then, ranging between -6ºC (21ºF) and 10ºC (50ºF) on average.

Explore more of the United States

  • Washington DC has its own special appeal, but there are so many other parts of the United States waiting to be discovered. About 322 kilometres north-east of Washington DC, a visit to New York will keep your itinerary packed. Check out popular attractions like Central Park, Statue of Liberty and Metropolitan Museum of Art.

  • Philadelphia is another must-experience destination in the United States and is around 193 kilometres north-east of Washington DC. No trip is complete without a visit to Independence Hall, Liberty Bell and Philadelphia Museum of Art.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.