Question 1

What is the cheapest flight from Porto to Baltimore?

Accepted Answer

In the last 3 days, the lowest price for a flight from Porto to Baltimore was $456 for a one-way ticket and $473 for a round-trip. <a href='/flight-routes/Porto-OPO/Baltimore-Washington-BWI'>Visit our flight page for the latest deals!>/a>

Question 2

Do I need a passport to fly between Porto and Baltimore?

Accepted Answer

Yes <a href='/flight-routes/Porto-OPO/Baltimore-Washington-BWI'>Visit our flight page for the latest deals!>/a>

Question 3

Which airports will I be using when flying from Porto to Baltimore?

Accepted Answer

Porto and Baltimore are both served by 1 main airport. You will leave Porto from Porto and will be arriving at Baltimore/Washington. <a href='/flight-routes/Porto-OPO/Baltimore-Washington-BWI'>Visit our flight page for the latest deals!>/a>

Question 4

Which aircraft models fly most regularly from Porto to Baltimore?

Accepted Answer

We unfortunately don’t have that data for this specific route.

Question 5

How does KAYAK find such low prices on flights from Porto to Baltimore?

Accepted Answer

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Porto to Baltimore. <a href='/flight-routes/Porto-OPO/Baltimore-Washington-BWI'>Visit our flight page for the latest deals!>/a>

Question 6

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Porto to Baltimore?

Accepted Answer

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Baltimore from Porto is likely to change within 7 days, so travelers know whether to wait or book now. <a href='/flight-routes/Porto-OPO/Baltimore-Washington-BWI'>Visit our flight page for the latest deals!>/a>

Question 7

What is the Hacker Fare option on flights from Porto to Baltimore?

Accepted Answer

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Baltimore with an airline and back to Porto with another airline. Booking your flights between Porto and BWI can sometimes prove cheaper using this method. <a href='/flight-routes/Porto-OPO/Baltimore-Washington-BWI'>Visit our flight page for the latest deals!>/a>

Question 8

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Porto to Baltimore?

Accepted Answer

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Baltimore from Porto up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. <a href='/flight-routes/Porto-OPO/Baltimore-Washington-BWI'>Visit our flight page for the latest deals!>/a>

Question 9

Which airlines provide the cheapest flights from Porto to Baltimore?

Accepted Answer

In the past 3 days, the cheapest round-trip tickets from Porto to Baltimore were found on Delta ($473) and American Airlines ($495).

Question 10

Which airlines provide the cheapest flights from Porto to Baltimore?

Accepted Answer

In the past 3 days, the cheapest round-trip tickets from Porto to Baltimore were found on Delta ($473) and American Airlines ($495).

OPO - BWI

$456 Find Cheap Flights from Porto to Baltimore

KAYAK searches hundreds of travel sites at once for deals on flights to Baltimore

Everything you should know

Cheap Flights from Porto to Baltimore (OPO-BWI)

Recent round-trip flight deals from Porto to Baltimore

Recent one-way flight deals from Porto to Baltimore

KAYAK's insights & trends for Porto to Baltimore flights

Get data-powered insights and trends into flights from Porto to Baltimore to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from Porto to Baltimore?

In the past 3 days, the cheapest round-trip tickets from Porto to Baltimore were found on Delta ($473) and American Airlines ($495).

Good to know

When to book flights from Porto to Baltimore

FAQs for booking flights from Porto to Baltimore

What is the cheapest flight from Porto to Baltimore?

In the last 3 days, the lowest price for a flight from Porto to Baltimore was $456 for a one-way ticket and $473 for a round-trip.

Do I need a passport to fly between Porto and Baltimore?

Yes

Which airports will I be using when flying from Porto to Baltimore?

Porto and Baltimore are both served by 1 main airport. You will leave Porto from Porto and will be arriving at Baltimore/Washington.

Which aircraft models fly most regularly from Porto to Baltimore?

We unfortunately don’t have that data for this specific route.

How does KAYAK find such low prices on flights from Porto to Baltimore?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Porto to Baltimore.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Porto to Baltimore?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Baltimore from Porto is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Porto to Baltimore?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Baltimore with an airline and back to Porto with another airline. Booking your flights between Porto and BWI can sometimes prove cheaper using this method.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Porto to Baltimore?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Baltimore from Porto up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Porto to Baltimore

Information on your arrival and departure airports

Cabin class types available on flights from Porto to Baltimore

Complete your trip to Baltimore with a hotel stay or car rental

Find direct flights to and from Porto and Baltimore

Flights to other popular destinations

Flights from domestic origins to Baltimore

Choose which airport to fly into in Baltimore

Find deals for your return flight