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Cheap flights from Baltimore to Porto from $290

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 5/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Baltimore to Porto

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:30 pm - 8:25 pm
BWI
-
OPO
18h 55m
3 stops
Multiple Airlines Logo
7:10 am - 7:25 pm
OPO
-
BWI
17h 15m
2 stops
$681Multiple Airlines
Tue, Apr 21 - Tue, Apr 28
Delta Logo
3:35 pm - 3:25 pm
BWI
-
OPO
18h 50m
2 stops
Delta Logo
5:00 am - 4:49 pm
OPO
-
BWI
16h 49m
2 stops
$707Delta
Tue, Apr 7 - Wed, Apr 15
Delta Logo
7:22 pm - 3:30 pm
BWI
-
OPO
15h 08m
2 stops
Delta Logo
5:00 am - 4:49 pm
OPO
-
BWI
16h 49m
2 stops
$712Delta
Tue, Apr 21 - Tue, Apr 28
Multiple Airlines Logo
8:30 pm - 8:25 pm
BWI
-
OPO
18h 55m
2 stops
Multiple Airlines Logo
9:15 pm - 7:25 pm
OPO
-
BWI
27h 10m
3 stops
$728Multiple Airlines
Thu, Apr 30 - Sun, May 3
Multiple Airlines Logo
8:30 pm - 11:00 pm
BWI
-
OPO
21h 30m
3 stops
Multiple Airlines Logo
7:10 am - 7:25 pm
OPO
-
BWI
17h 15m
2 stops
$737Multiple Airlines
Thu, Apr 16 - Tue, Apr 21
Multiple Airlines Logo
11:20 pm - 8:25 pm
BWI
-
OPO
16h 05m
2 stops
Multiple Airlines Logo
10:00 pm - 7:25 pm
OPO
-
BWI
26h 25m
3 stops
$741Multiple Airlines
Thu, Apr 9 - Thu, Apr 16
Delta Logo
5:36 pm - 3:30 pm
BWI
-
OPO
16h 54m
2 stops
Delta Logo
5:00 am - 4:39 pm
OPO
-
BWI
16h 39m
2 stops
$762Delta
Sat, Apr 25 - Thu, May 7
Delta Logo
3:53 pm - 3:25 pm
BWI
-
OPO
18h 32m
2 stops
Delta Logo
5:00 am - 7:16 pm
OPO
-
BWI
19h 16m
2 stops
$767Delta
Mon, May 11 - Tue, May 19
Multiple Airlines Logo
8:30 pm - 8:00 am
BWI
-
OPO
30h 30m
3 stops
Multiple Airlines Logo
10:30 pm - 7:25 pm
OPO
-
BWI
25h 55m
3 stops
$779Multiple Airlines
Thu, Apr 30 - Sun, May 3
British Airways Logo
9:30 pm - 8:40 pm
BWI
-
OPO
18h 10m
1 stop
British Airways Logo
10:40 am - 7:40 pm
OPO
-
BWI
14h 00m
1 stop
$786British Airways
Sat, Apr 25 - Sat, May 2

United Airlines flights from Baltimore to Porto

Our best United Airlines deals on Baltimore to Porto flight tickets
United Airlines
Aug 11
BWI12:30 pmBaltimore/Washington
16h 15m
2 stops
OPO9:45 amPorto
Sep 3
OPO11:50 amPorto
38h 38m
2 stops
BWI9:28 pmBaltimore/Washington
$645
United Airlines
Aug 8
BWI6:20 pmBaltimore/Washington
31h 35m
2 stops
OPO6:55 amPorto
Aug 19
OPO2:25 pmPorto
36h 03m
2 stops
BWI9:28 pmBaltimore/Washington
$706
United Airlines
Aug 8
BWI6:20 pmBaltimore/Washington
31h 35m
2 stops
OPO6:55 amPorto
Aug 19
OPO2:25 pmPorto
48h 09m
2 stops
BWI9:34 amBaltimore/Washington
$735

British Airways flights from Baltimore to Porto

Our best British Airways deals on Baltimore to Porto flight tickets
British Airways
Apr 25
BWI9:30 pmBaltimore/Washington
18h 10m
1 stop
OPO8:40 pmPorto
May 2
OPO10:40 amPorto
14h 00m
1 stop
BWI7:40 pmBaltimore/Washington
$786
British Airways
May 9
BWI9:30 pmBaltimore/Washington
18h 10m
1 stop
OPO8:40 pmPorto
May 16
OPO10:40 amPorto
14h 00m
1 stop
BWI7:40 pmBaltimore/Washington
$824
British Airways
Apr 22
BWI9:30 pmBaltimore/Washington
16h 25m
1 stop
OPO6:55 pmPorto
Apr 27
OPO9:25 pmPorto
27h 15m
1 stop
BWI7:40 pmBaltimore/Washington
$831

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 March 13, 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

Tue 4/21

8:30 pm-8:25 pm

3 stops18h 55m

Porto

Tue 4/28

7:10 am-7:25 pm

2 stops17h 15m

$681

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Tue 4/7

3:35 pm-3:25 pm

2 stops18h 50m

Porto

Wed 4/15

5:00 am-4:49 pm

2 stops16h 49m

$707
Quickest round-trip

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Tue 4/21

7:22 pm-3:30 pm

2 stops15h 08m

Porto

Tue 4/28

5:00 am-4:49 pm

2 stops16h 49m

$712

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Thu 4/30

8:30 pm-8:25 pm

2 stops18h 55m

Porto

Sun 5/3

9:15 pm-7:25 pm

3 stops27h 10m

$728

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Thu 4/16

8:30 pm-11:00 pm

3 stops21h 30m

Porto

Tue 4/21

7:10 am-7:25 pm

2 stops17h 15m

$737

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Thu 4/9

11:20 pm-8:25 pm

2 stops16h 05m

Porto

Thu 4/16

10:00 pm-7:25 pm

3 stops26h 25m

$741

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Sat 4/25

5:36 pm-3:30 pm

2 stops16h 54m

Porto

Thu 5/7

5:00 am-4:39 pm

2 stops16h 39m

$762

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Mon 5/11

3:53 pm-3:25 pm

2 stops18h 32m

Porto

Tue 5/19

5:00 am-7:16 pm

2 stops19h 16m

$767

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Thu 4/30

8:30 pm-8:00 am

3 stops30h 30m

Porto

Sun 5/3

10:30 pm-7:25 pm

3 stops25h 55m

$779

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Sat 4/25

9:30 pm-8:40 pm

1 stop18h 10m

Porto

Sat 5/2

10:40 am-7:40 pm

1 stop14h 00m

$786

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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

Can stopping save me money on Baltimore to Porto flights?

You could potentially save up to 7% 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

14h 55m

Direct flights

None
The fastest flight from Baltimore to Porto takes 14h 55m
There are no direct flights from Baltimore to Porto. There are no popular flight routes from Baltimore to Porto.
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  • 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 14h 55m, 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
7.9
8,285 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
Esposende
Lamego
Chaves
Pinhao
Guimarães
Espinho
Arcos de Valdevez
Viseu
Ponte de Lima
Curia
Penafiel
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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