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Cheap flights from Baltimore to Porto from $292

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Baltimore to Porto departing on 8/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Baltimore to Porto

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:50 am - 7:40 am
BWI
-
OPO
14h 50m
2 stops
Multiple Airlines Logo
8:40 pm - 7:30 pm
OPO
-
BWI
27h 50m
2 stops
$761Multiple Airlines
Wed, Nov 11 - Mon, Nov 16
Multiple Airlines Logo
11:50 am - 7:40 am
BWI
-
OPO
14h 50m
2 stops
Multiple Airlines Logo
8:40 pm - 7:25 pm
OPO
-
BWI
27h 45m
2 stops
$772Multiple Airlines
Tue, Nov 24 - Wed, Dec 2
American Airlines Logo
6:48 am - 7:40 am
BWI
-
OPO
19h 52m
2 stops
American Airlines Logo
8:20 am - 11:31 pm
OPO
-
BWI
19h 11m
2 stops
$785American Airlines
Wed, Oct 21 - Fri, Oct 30
Multiple Airlines Logo
10:50 am - 7:40 am
BWI
-
OPO
16h 50m
2 stops
Multiple Airlines Logo
8:40 pm - 7:30 pm
OPO
-
BWI
27h 50m
2 stops
$787Multiple Airlines
Wed, Oct 28 - Wed, Nov 4
Multiple Airlines Logo
10:50 am - 7:40 am
BWI
-
OPO
15h 50m
2 stops
Multiple Airlines Logo
8:40 pm - 9:40 pm
OPO
-
BWI
29h 00m
2 stops
$790Multiple Airlines
Mon, Oct 19 - Tue, Oct 27
Multiple Airlines Logo
10:50 am - 7:40 am
BWI
-
OPO
15h 50m
2 stops
Multiple Airlines Logo
8:40 pm - 9:40 pm
OPO
-
BWI
29h 00m
2 stops
$791Multiple Airlines
Mon, Oct 19 - Tue, Oct 27
Multiple Airlines Logo
8:30 pm - 11:25 pm
BWI
-
OPO
21h 55m
2 stops
Multiple Airlines Logo
5:35 pm - 7:25 pm
OPO
-
BWI
30h 50m
3 stops
$800Multiple Airlines
Fri, Oct 9 - Sun, Oct 18
British Airways Logo
9:35 pm - 5:50 pm
BWI
-
OPO
16h 15m
1 stop
British Airways Logo
8:40 pm - 6:45 pm
OPO
-
BWI
27h 05m
2 stops
$806British Airways
Wed, Oct 28 - Wed, Nov 4
Delta Logo
6:19 pm - 3:25 pm
BWI
-
OPO
16h 06m
2 stops
Delta Logo
5:00 am - 4:55 pm
OPO
-
BWI
16h 55m
2 stops
$807Delta
Mon, Sep 21 - Tue, Sep 29
Multiple Airlines Logo
10:50 am - 7:40 am
BWI
-
OPO
15h 50m
2 stops
Multiple Airlines Logo
8:40 pm - 9:40 pm
OPO
-
BWI
29h 00m
2 stops
$821Multiple Airlines
Mon, Oct 19 - Tue, Oct 27

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Delta flights from Baltimore to Porto

Our best Delta deals on Baltimore to Porto flight tickets
Delta
Sep 23
BWI6:19 pmBaltimore/Washington
16h 06m
2 stops
OPO3:25 pmPorto
Sep 30
OPO5:00 amPorto
17h 27m
2 stops
BWI5:27 pmBaltimore/Washington
$807
Delta
Aug 10
BWI12:30 pmBaltimore/Washington
17h 00m
2 stops
OPO10:30 amPorto
Aug 24
OPO11:25 amPorto
35h 22m
2 stops
BWI5:47 pmBaltimore/Washington
$847
Delta
Aug 16
BWI10:40 amBaltimore/Washington
16h 50m
2 stops
OPO8:30 amPorto
Aug 25
OPO5:00 amPorto
16h 49m
2 stops
BWI4:49 pmBaltimore/Washington
$867

British Airways flights from Baltimore to Porto

Our best British Airways deals on Baltimore to Porto flight tickets
British Airways
Oct 28
BWI9:35 pmBaltimore/Washington
16h 15m
1 stop
OPO5:50 pmPorto
Nov 4
OPO8:40 pmPorto
27h 05m
2 stops
BWI6:45 pmBaltimore/Washington
$806
British Airways
Sep 28
BWI9:30 pmBaltimore/Washington
17h 35m
1 stop
OPO8:05 pmPorto
Oct 15
OPO7:55 pmPorto
28h 45m
1 stop
BWI7:40 pmBaltimore/Washington
$873
British Airways
Oct 7
BWI9:30 pmBaltimore/Washington
16h 35m
1 stop
OPO7:05 pmPorto
Oct 13
OPO8:55 pmPorto
27h 45m
1 stop
BWI7:40 pmBaltimore/Washington
$877

momondo Fare Finder

 
Customize your flight search to find flights from Baltimore to Porto that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated June 21, 2026.
Use the filters below to find and compare flights from Baltimore to Porto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Wed 11/11

11:50 am-7:40 am

2 stops14h 50m

Porto

Mon 11/16

8:40 pm-7:30 pm

2 stops27h 50m

$761

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Tue 11/24

11:50 am-7:40 am

2 stops14h 50m

Porto

Wed 12/2

8:40 pm-7:25 pm

2 stops27h 45m

$772

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Wed 10/21

6:48 am-7:40 am

2 stops19h 52m

Porto

Fri 10/30

8:20 am-11:31 pm

2 stops19h 11m

$785

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Wed 10/28

10:50 am-7:40 am

2 stops16h 50m

Porto

Wed 11/4

8:40 pm-7:30 pm

2 stops27h 50m

$787

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Mon 10/19

10:50 am-7:40 am

2 stops15h 50m

Porto

Tue 10/27

8:40 pm-9:40 pm

2 stops29h 00m

$790

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Mon 10/19

10:50 am-7:40 am

2 stops15h 50m

Porto

Tue 10/27

8:40 pm-9:40 pm

2 stops29h 00m

$791

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Fri 10/9

8:30 pm-11:25 pm

2 stops21h 55m

Porto

Sun 10/18

5:35 pm-7:25 pm

3 stops30h 50m

$800

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Wed 10/28

9:35 pm-5:50 pm

1 stop16h 15m

Porto

Wed 11/4

8:40 pm-6:45 pm

2 stops27h 05m

$806
Quickest round-trip

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Mon 9/21

6:19 pm-3:25 pm

2 stops16h 06m

Porto

Tue 9/29

5:00 am-4:55 pm

2 stops16h 55m

$807

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Mon 10/19

10:50 am-7:40 am

2 stops15h 50m

Porto

Tue 10/27

8:40 pm-9:40 pm

2 stops29h 00m

$821

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Porto from

How to get the cheapest flight ticket from Baltimore to Porto

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

What is the cheapest month to fly to Porto?

The month of February is, on average, the cheapest month to fly to Porto from Baltimore, with most prices found around $0. If you aren’t able to travel during the month of February, then book flights to Porto from Baltimore during January instead. Flights to Porto in January, while not as cheap as those in February, still average around $0.

Can stopping save me money on Baltimore to Porto flights?

You could potentially save up to 3% on your flight if you consider stops on a Baltimore to Porto flight.

When to book flights from Baltimore to Porto

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

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

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

Fastest flight time

13h 45m

Direct flights

None
The fastest flight from Baltimore to Porto takes 13h 45m
There are no direct flights from Baltimore to Porto. There are no popular flight routes from Baltimore to Porto.
Search flight deals

Frequently asked questions about flying from Baltimore to Porto

  • How far is Baltimore/Washington to Porto by plane?

    The distance between Baltimore/Washington and Porto is about 3491.2 mi. Flights usually cover this in 13h 45m, depending on flying conditions and air traffic around both airports.

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

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

  • How many operators does momondo search for flights from Baltimore/Washington Airport to Porto Airport?

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

  • What documentation or ID do you need to fly to Porto Airport?

    The required travel and health documents for your Porto 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 Porto Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Baltimore to Porto?

Best airlines flying from Baltimore to Porto

Compare and see reviews for airlines that fly from Baltimore to Porto with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $529Free CancellationRating
7.8
8,423 reviews
Search Delta flights

Traveling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Vila Nova de Gaia
Coimbra
Braga
Aveiro
Matosinhos
Lamego
Esposende
Chaves
Pinhao
Guimarães
Espinho
Arcos de Valdevez
Ponte de Lima
Viseu
Curia
Mesao Frio
Mira
Baiao

Why use momondo?

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

It is quick and easy to find Baltimore to Porto flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Porto that suits you.

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

All flight searches from Baltimore to Porto on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search for Baltimore to Porto flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

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

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