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 $378 for a one-way ticket and $625 for a round-trip. Visit our flight page for the latest deals!>/a>

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

Yes Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

$378 CHEAP FLIGHTS from Porto to Baltimore (OPO - BWI)

OPO - BWI

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

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Cheapest round-trip

$625

United Airlines

週二 5/12週二 5/26

OPO - BWI • 2 stops

Cheapest one-way

$378

Multiple Airlines

週二 4/21

OPO - BWI • 3 stops

Nonstop flights

Not available

There are currently no direct flights between Porto and Baltimore. You'll need at least 2 connections.

Insights

Start a new search

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We hope you love your trip to Baltimore!

Flight Deals

Cheap Flights from Porto to Baltimore (OPO-BWI)

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Recent round-trip flight deals from Porto to Baltimore

週二, 5月 12 - 週二, 5月 26

6:00 am - 9:02 pm

OPO

BWI

20h 02m

2 stops

6:10 am - 6:55 am

BWI

OPO

19h 45m

2 stops

$625United Airlines

週五, 9月 4 - 週二, 9月 22

12:05 pm - 12:43 am

OPO

BWI

17h 38m

2 stops

10:40 am - 6:55 am

BWI

OPO

15h 15m

2 stops

$640United Airlines

週四, 4月 16 - 週一, 4月 20

12:35 pm - 9:39 am

OPO

BWI

26h 04m

2 stops

6:55 pm - 9:45 am

BWI

OPO

33h 50m

2 stops

$649United Airlines

週四, 4月 16 - 週一, 4月 20

12:35 pm - 9:39 am

OPO

BWI

26h 04m

2 stops

6:55 pm - 9:45 am

BWI

OPO

33h 50m

2 stops

$662United Airlines

週四, 4月 16 - 週一, 4月 20

12:35 pm - 9:39 am

OPO

BWI

26h 04m

2 stops

6:55 pm - 9:45 am

BWI

OPO

33h 50m

2 stops

$665United Airlines

週四, 4月 16 - 週一, 4月 20

12:35 pm - 5:33 pm

OPO

BWI

33h 58m

2 stops

6:55 pm - 9:45 am

BWI

OPO

33h 50m

2 stops

$669United Airlines

週一, 4月 27 - 週一, 5月 4

11:25 am - 12:38 am

OPO

BWI

18h 13m

2 stops

3:33 pm - 10:40 am

BWI

OPO

14h 07m

2 stops

$674Delta

週六, 8月 29 - 週二, 9月 8

6:30 am - 7:22 pm

OPO

BWI

17h 52m

2 stops

1:00 pm - 10:55 am

BWI

OPO

16h 55m

2 stops

$684Delta

週五, 4月 17 - 週日, 5月 3

11:15 am - 11:56 pm

OPO

BWI

17h 41m

2 stops

9:35 pm - 8:35 pm

BWI

OPO

18h 00m

1 stop

$716British Airways

週四, 4月 9 - 週六, 4月 25

5:55 am - 7:19 pm

OPO

BWI

18h 24m

2 stops

5:20 pm - 3:25 pm

BWI

OPO

17h 05m

2 stops

$719Delta

Booking Insights

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 United Airlines ($625) and Delta ($674).

Find deals

Cheapest flight	$378

Flight from Porto to Baltimore

When to book flights from Porto to Baltimore

Are your dates flexible? Find out the best times to travel from Porto to Baltimore based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

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 $378 for a one-way ticket and $625 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

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on your arrival and departure airports

Porto (OPO)

Baltimore (BWI)

OPO - BWI

$378 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 United Airlines ($625) and Delta ($674).

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 $378 for a one-way ticket and $625 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