What is the cheapest airline that flies from Porto to Baltimore/Washington?

WorldTicket, British Airways, and Iberia are the most popular carriers operating from Porto to Baltimore/Washington

When did momondo last update prices for flights from Porto Airport to Baltimore/Washington Airport?

Prices for flights from Porto Airport to Baltimore/Washington Airport are updated daily.

How old do you have to be to fly from Porto Airport to Baltimore/Washington Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Porto Airport to Baltimore/Washington Airport.

What documentation or ID do you need to fly to Baltimore/Washington Airport?

The required travel and health documents for your Baltimore/Washington Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Baltimore/Washington Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$371 Cheap Flights from Porto to Baltimore in 2025

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Find the cheapest flights from Porto to Washington, D.C.

Round-trip

One-way

Cheap round-trip flights

9:20 pm - 5:40 pmOPO-BWI

25h 20m1 stop

6:50 pm - 8:05 pmBWI-OPO

20h 15m1 stop

$437PLAY

Find Deal

Thu, Sep 4 - Sat, Sep 20

9:20 pm - 5:40 pmOPO-BWI

25h 20m1 stop

6:50 pm - 8:20 pmBWI-OPO

20h 30m1 stop

$453PLAY

Find Deal

Thu, Sep 18 - Wed, Oct 1

9:20 pm - 5:40 pmOPO-BWI

25h 20m1 stop

6:50 pm - 8:20 pmBWI-OPO

20h 30m1 stop

$457PLAY

Find Deal

Thu, Sep 18 - Wed, Oct 1

11:35 am - 11:13 pmOPO-BWI

16h 38m2 stops

5:39 pm - 3:30 pmBWI-OPO

16h 51m2 stops

$563Delta

Find Deal

Wed, Oct 8 - Tue, Oct 21

6:30 am - 10:57 pmOPO-BWI

21h 27m2 stops

5:15 pm - 3:35 pmBWI-OPO

17h 20m2 stops

$579Delta

Find Deal

Thu, Sep 18 - Wed, Oct 1

11:15 am - 7:45 pmOPO-BWI

13h 30m1 stop

9:35 pm - 8:20 pmBWI-OPO

17h 45m1 stop

$593

Find Deal

Fri, Oct 10 - Thu, Oct 23

6:00 am - 8:55 pmOPO-BWI

19h 55m2 stops

5:11 pm - 11:40 amBWI-OPO

37h 29m2 stops

$682United Airlines

Find Deal

Wed, Dec 24 - Sat, Jan 3

6:00 am - 8:55 pmOPO-BWI

19h 55m2 stops

5:11 pm - 11:40 amBWI-OPO

37h 29m2 stops

$688United Airlines

Find Deal

Wed, Dec 24 - Sat, Jan 3

8:20 pm - 5:40 pmOPO-BWI

26h 20m3 stops

6:50 pm - 8:00 amBWI-OPO

32h 10m3 stops

$694

Find Deal

Thu, Sep 4 - Sat, Sep 20

8:15 am - 7:20 pmOPO-BWI

16h 05m2 stops

9:35 pm - 8:35 pmBWI-OPO

18h 00m1 stop

$1,368British Airways

Find Deal

Thu, Sep 4 - Sat, Sep 20

PLAY flights from Porto to Baltimore

Our best PLAY deals on Porto to Baltimore flight tickets

PLAY

Sep 4

OPO9:20 pmPorto

25h 20m

1 stop

BWI5:40 pmBaltimore/Washington

Sep 20

BWI6:50 pmBaltimore/Washington

20h 15m

1 stop

OPO8:05 pmPorto

$437

Find similar

PLAY

Sep 18

OPO9:20 pmPorto

25h 20m

1 stop

BWI5:40 pmBaltimore/Washington

Oct 1

BWI6:50 pmBaltimore/Washington

20h 30m

1 stop

OPO8:20 pmPorto

$453

Find similar

PLAY

Sep 18

OPO9:20 pmPorto

25h 20m

1 stop

BWI5:40 pmBaltimore/Washington

Oct 1

BWI6:50 pmBaltimore/Washington

20h 30m

1 stop

OPO8:20 pmPorto

$457

Find similar

Delta flights from Porto to Baltimore

Our best Delta deals on Porto to Baltimore flight tickets

Delta

Oct 8

OPO11:35 amPorto

16h 38m

2 stops

BWI11:13 pmBaltimore/Washington

Oct 21

BWI5:39 pmBaltimore/Washington

16h 51m

2 stops

OPO3:30 pmPorto

$563

Find similar

Delta

Sep 18

OPO6:30 amPorto

21h 27m

2 stops

BWI10:57 pmBaltimore/Washington

Oct 1

BWI5:15 pmBaltimore/Washington

17h 20m

2 stops

OPO3:35 pmPorto

$579

Find similar

Delta

Dec 24

OPO6:00 amPorto

15h 37m

2 stops

BWI4:37 pmBaltimore/Washington

Jan 3

BWI11:48 amBaltimore/Washington

17h 42m

2 stops

OPO10:30 amPorto

$857

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortoBaltimore

OPO - BWI

OPOBWI

Porto

Thu 9/4

9:20 pm-5:40 pm

1 stop25h 20m

Baltimore/Washington

Sat 9/20

6:50 pm-8:05 pm

1 stop20h 15m

$437

PortoBaltimore

OPO - BWI

OPOBWI

Porto

Thu 9/18

9:20 pm-5:40 pm

1 stop25h 20m

Baltimore/Washington

Wed 10/1

6:50 pm-8:20 pm

1 stop20h 30m

$453

PortoBaltimore

OPO - BWI

OPOBWI

Porto

Thu 9/18

9:20 pm-5:40 pm

1 stop25h 20m

Baltimore/Washington

Wed 10/1

6:50 pm-8:20 pm

1 stop20h 30m

$457

PortoBaltimore

OPO - BWI

OPOBWI

Porto

Wed 10/8

11:35 am-11:13 pm

2 stops16h 38m

Baltimore/Washington

Tue 10/21

5:39 pm-3:30 pm

2 stops16h 51m

$563

PortoBaltimore

OPO - BWI

OPOBWI

Porto

Thu 9/18

6:30 am-10:57 pm

2 stops21h 27m

Baltimore/Washington

Wed 10/1

5:15 pm-3:35 pm

2 stops17h 20m

$579

PortoBaltimore

OPO - BWI

OPOBWI

Porto

Fri 10/10

11:15 am-7:45 pm

1 stop13h 30m

Baltimore/Washington

Thu 10/23

9:35 pm-8:20 pm

1 stop17h 45m

$593

PortoBaltimore

OPO - BWI

OPOBWI

Porto

Wed 12/24

6:00 am-8:55 pm

2 stops19h 55m

Baltimore/Washington

Sat 1/3

5:11 pm-11:40 am

2 stops37h 29m

$682

PortoBaltimore

OPO - BWI

OPOBWI

Porto

Wed 12/24

6:00 am-8:55 pm

2 stops19h 55m

Baltimore/Washington

Sat 1/3

5:11 pm-11:40 am

2 stops37h 29m

$688

PortoBaltimore

OPO - BWI

OPOBWI

Porto

Thu 9/4

8:20 pm-5:40 pm

3 stops26h 20m

Baltimore/Washington

Sat 9/20

6:50 pm-8:00 am

3 stops32h 10m

$694

PortoBaltimore

OPO - BWI

OPOBWI

Porto

Thu 9/4

8:15 am-7:20 pm

2 stops16h 05m

Baltimore/Washington

Sat 9/20

9:35 pm-8:35 pm

1 stop18h 00m

$1,368

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Porto to Baltimore

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Can stopping save me money on Porto to Baltimore flights?

You could potentially save up to 19% on your flight if you consider stops on a Porto to Baltimore flight.

When to book flights from Porto to Baltimore

Are you open to changing your travel dates? Check out the ideal times to fly from Porto to Baltimore according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Porto to Baltimore (OPO to BWI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Porto to Baltimore

Best Price Found	$371
Fastest flight time	13h 30m
Direct flights	None
Airports in Baltimore	1 airport

The best one-way flight to Baltimore from Porto in the past 72 hours is $371. The best round-trip flight deal from Porto to Baltimore found on momondo in the last 72 hours is $437.

The fastest flight from Porto to Baltimore takes 13h 30m

There are no direct flights from Porto to Baltimore. Popular non-direct route for this connection is Porto Airport - Baltimore/Washington Airport.

There is 1 airport near Baltimore: Baltimore/Washington (BWI)

Search flight deals

How far is Porto to Baltimore/Washington by plane?
The straight-line distance from Porto to Baltimore/Washington is 3491.2 mi. By plane, this route typically takes 13h 30m.
When did momondo last update prices for flights from Porto Airport to Baltimore/Washington Airport?
Prices for flights from Porto Airport to Baltimore/Washington Airport are updated daily.
How old do you have to be to fly from Porto Airport to Baltimore/Washington Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Porto Airport to Baltimore/Washington Airport.
What documentation or ID do you need to fly to Baltimore/Washington Airport?
The required travel and health documents for your Baltimore/Washington Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Baltimore/Washington Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Porto to Baltimore?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Baltimore from Porto.

Can I find flights from Porto to Baltimore with flexible booking policies on momondo?

momondo does allow users to show only those flights to Baltimore from Porto which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Porto to Baltimore?

momondo provides multiple filters to help you find the best flight to Baltimore from Porto. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Porto to Baltimore right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Baltimore, momondo offers a useful price alert feature which will track prices for flights to Baltimore from Porto and alert you when they change.