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

Iberia, American Airlines, and British Airways 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.

$362 Cheap Flights from Porto to Baltimore in 2025/26

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0 bags

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

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

5:00 am - 7:07 pm

OPO

BWI

19h 07m2 stops

1:02 pm - 10:30 am

BWI

OPO

16h 28m2 stops

$525Delta

Mon, Jan 26 - Sun, Feb 8

5:00 am - 11:05 pm

OPO

BWI

23h 05m2 stops

11:45 am - 10:30 am

BWI

OPO

17h 45m2 stops

$527Delta

Sat, Jan 17 - Sun, Feb 1

8:20 am - 11:54 pm

OPO

BWI

20h 34m2 stops

5:59 pm - 4:00 pm

BWI

OPO

42h 01m2 stops

$535American Airlines

Thu, Mar 5 - Mon, Mar 9

8:20 am - 9:18 pm

OPO

BWI

17h 58m2 stops

11:13 am - 7:40 am

BWI

OPO

15h 27m2 stops

$536American Airlines

Thu, Jan 15 - Wed, Jan 28

5:30 pm - 6:45 pm

OPO

BWI

30h 15m1 stop

8:35 pm - 4:40 pm

BWI

OPO

15h 05m1 stop

$565British Airways

Mon, Jan 26 - Sun, Feb 8

6:00 am - 9:21 pm

OPO

BWI

20h 21m2 stops

10:05 am - 11:40 am

BWI

OPO

20h 35m2 stops

$610United Airlines

Sun, Jan 18 - Sun, Jan 25

5:35 pm - 6:45 pm

OPO

BWI

30h 10m1 stop

8:35 pm - 4:45 pm

BWI

OPO

15h 10m1 stop

$612British Airways

Thu, Jan 15 - Wed, Jan 28

8:20 am - 6:45 pm

OPO

BWI

15h 25m2 stops

8:35 pm - 4:45 pm

BWI

OPO

15h 10m1 stop

$922Multiple Airlines

Thu, Jan 15 - Wed, Jan 28

7:55 am - 6:40 pm

OPO

BWI

15h 45m2 stops

11:30 am - 5:20 pm

BWI

OPO

24h 50m3 stops

$945Multiple Airlines

Sun, Jan 18 - Sun, Jan 25

8:40 pm - 10:05 pm

OPO

BWI

30h 25m2 stops

9:17 am - 7:40 am

BWI

OPO

17h 23m2 stops

$1,129Multiple Airlines

Thu, Jan 1 - Sun, Jan 11

Delta flights from Porto to Baltimore

Our best Delta deals on Porto to Baltimore flight tickets

Delta

Jan 26

OPO5:00 amPorto

19h 07m

2 stops

BWI7:07 pmBaltimore/Washington

Feb 8

BWI1:02 pmBaltimore/Washington

16h 28m

2 stops

OPO10:30 amPorto

$525

Find similar

Delta

Jan 17

OPO5:00 amPorto

23h 05m

2 stops

BWI11:05 pmBaltimore/Washington

Feb 1

BWI11:45 amBaltimore/Washington

17h 45m

2 stops

OPO10:30 amPorto

$527

Find similar

Delta

Dec 24

OPO7:35 amPorto

19h 28m

2 stops

BWI10:03 pmBaltimore/Washington

Jan 3

BWI12:20 pmBaltimore/Washington

17h 10m

2 stops

OPO10:30 amPorto

$1,542

Find similar

American Airlines flights from Porto to Baltimore

Our best American Airlines deals on Porto to Baltimore flight tickets

American Airlines

Mar 5

OPO8:20 amPorto

20h 34m

2 stops

BWI11:54 pmBaltimore/Washington

Mar 9

BWI5:59 pmBaltimore/Washington

42h 01m

2 stops

OPO4:00 pmPorto

$535

Find similar

American Airlines

Jan 15

OPO8:20 amPorto

17h 58m

2 stops

BWI9:18 pmBaltimore/Washington

Jan 28

BWI11:13 amBaltimore/Washington

15h 27m

2 stops

OPO7:40 amPorto

$536

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortoBaltimore

OPO - BWI

OPOBWI

Porto

Mon 1/26

5:00 am-7:07 pm

2 stops19h 07m

Baltimore/Washington

Sun 2/8

1:02 pm-10:30 am

2 stops16h 28m

$525

PortoBaltimore

OPO - BWI

OPOBWI

Porto

Sat 1/17

5:00 am-11:05 pm

2 stops23h 05m

Baltimore/Washington

Sun 2/1

11:45 am-10:30 am

2 stops17h 45m

$527

PortoBaltimore

OPO - BWI

OPOBWI

Porto

Thu 3/5

8:20 am-11:54 pm

2 stops20h 34m

Baltimore/Washington

Mon 3/9

5:59 pm-4:00 pm

2 stops42h 01m

$535

PortoBaltimore

OPO - BWI

OPOBWI

Porto

Thu 1/15

8:20 am-9:18 pm

2 stops17h 58m

Baltimore/Washington

Wed 1/28

11:13 am-7:40 am

2 stops15h 27m

$536

PortoBaltimore

OPO - BWI

OPOBWI

Porto

Mon 1/26

5:30 pm-6:45 pm

1 stop30h 15m

Baltimore/Washington

Sun 2/8

8:35 pm-4:40 pm

1 stop15h 05m

$565

PortoBaltimore

OPO - BWI

OPOBWI

Porto

Sun 1/18

6:00 am-9:21 pm

2 stops20h 21m

Baltimore/Washington

Sun 1/25

10:05 am-11:40 am

2 stops20h 35m

$610

PortoBaltimore

OPO - BWI

OPOBWI

Porto

Thu 1/15

5:35 pm-6:45 pm

1 stop30h 10m

Baltimore/Washington

Wed 1/28

8:35 pm-4:45 pm

1 stop15h 10m

$612

PortoBaltimore

OPO - BWI

OPOBWI

Porto

Thu 1/15

8:20 am-6:45 pm

2 stops15h 25m

Baltimore/Washington

Wed 1/28

8:35 pm-4:45 pm

1 stop15h 10m

$922

PortoBaltimore

OPO - BWI

OPOBWI

Porto

Sun 1/18

7:55 am-6:40 pm

2 stops15h 45m

Baltimore/Washington

Sun 1/25

11:30 am-5:20 pm

3 stops24h 50m

$945

PortoBaltimore

OPO - BWI

OPOBWI

Porto

Thu 1/1

8:40 pm-10:05 pm

2 stops30h 25m

Baltimore/Washington

Sun 1/11

9:17 am-7:40 am

2 stops17h 23m

$1,129

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 36% 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

Fastest flight time	19h 07m
Direct flights	None

The fastest flight from Porto to Baltimore takes 19h 07m

There are no direct flights from Porto to Baltimore. There are no popular flight routes from Porto to Baltimore.

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 19h 07m.
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.