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Cheap flights from Portugal to Washington, D.C. from $326

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portugal to Washington, D.C. departing on 5/26. 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
0 bags

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

Recent round-trip flight deals from Portugal to Washington, D.C.

Enter your travel dates to find the best prices.
Delta Logo
5:00 am - 7:19 pm
OPO
-
BWI
18h 19m
2 stops
Delta Logo
3:35 pm - 3:25 pm
BWI
-
OPO
19h 50m
2 stops
$582Delta
Mon, Mar 9 - Mon, Mar 16
Delta Logo
5:00 am - 7:19 pm
OPO
-
BWI
18h 19m
2 stops
Delta Logo
3:35 pm - 3:25 pm
BWI
-
OPO
19h 50m
2 stops
$584Delta
Mon, Mar 9 - Mon, Mar 16
Delta Logo
5:35 am - 7:19 pm
LIS
-
BWI
18h 44m
2 stops
Delta Logo
5:20 pm - 10:45 am
BWI
-
LIS
12h 25m
1 stop
$588Delta
Thu, Apr 9 - Sat, Apr 25
Air France Logo
12:45 pm - 7:19 pm
LIS
-
BWI
11h 34m
1 stop
Air France Logo
5:20 pm - 10:45 am
BWI
-
LIS
12h 25m
1 stop
$600Air France
Thu, Apr 9 - Sat, Apr 25
United Airlines Logo
7:25 am - 5:33 pm
LIS
-
BWI
39h 08m
2 stops
United Airlines Logo
3:42 pm - 3:30 pm
BWI
-
LIS
42h 48m
2 stops
$612United Airlines
Wed, Apr 15 - Sun, Apr 19
United Airlines Logo
12:35 pm - 10:02 am
OPO
-
BWI
26h 27m
2 stops
United Airlines Logo
6:00 am - 11:15 am
BWI
-
OPO
24h 15m
2 stops
$617United Airlines
Thu, Apr 16 - Sun, Apr 19
Multiple Airlines Logo
12:45 pm - 7:19 pm
LIS
-
BWI
11h 34m
1 stop
Multiple Airlines Logo
3:33 pm - 10:45 am
BWI
-
LIS
14h 12m
1 stop
$627Multiple Airlines
Thu, Apr 9 - Tue, Apr 21
British Airways Logo
7:20 am - 7:40 pm
LIS
-
BWI
17h 20m
1 stop
British Airways Logo
9:30 pm - 11:10 pm
BWI
-
LIS
20h 40m
1 stop
$632British Airways
Wed, Apr 8 - Fri, Apr 24
British Airways Logo
10:40 am - 7:45 pm
LIS
-
BWI
13h 05m
1 stop
British Airways Logo
9:35 pm - 2:50 pm
BWI
-
LIS
13h 15m
1 stop
$633British Airways
Thu, Mar 12 - Wed, Mar 18
Multiple Airlines Logo
9:55 am - 7:40 pm
OPO
-
BWI
14h 45m
1 stop
Multiple Airlines Logo
9:44 am - 7:40 am
BWI
-
OPO
16h 56m
2 stops
$689Multiple Airlines
Thu, Apr 2 - Sat, Apr 18

American Airlines flights from Portugal to Baltimore

Our best American Airlines deals on Portugal to Baltimore flight tickets
American Airlines
Apr 15
LIS6:35 amLisbon Humberto Delgado
37h 06m
2 stops
BWI2:41 pmBaltimore/Washington
Apr 19
BWI5:05 amBaltimore/Washington
37h 00m
2 stops
LIS11:05 pmLisbon Humberto Delgado
$631
American Airlines
Apr 15
LIS11:00 amLisbon Humberto Delgado
13h 40m
1 stop
BWI7:40 pmBaltimore/Washington
Apr 19
BWI5:05 amBaltimore/Washington
37h 00m
2 stops
LIS11:05 pmLisbon Humberto Delgado
$636
American Airlines
Apr 15
LIS11:00 amLisbon Humberto Delgado
13h 40m
1 stop
BWI7:40 pmBaltimore/Washington
Apr 19
BWI8:09 pmBaltimore/Washington
21h 56m
2 stops
LIS11:05 pmLisbon Humberto Delgado
$641

British Airways flights from Portugal to Baltimore

Our best British Airways deals on Portugal to Baltimore flight tickets
British Airways
Mar 12
LIS10:40 amLisbon Humberto Delgado
13h 05m
1 stop
BWI7:45 pmBaltimore/Washington
Mar 18
BWI9:35 pmBaltimore/Washington
13h 15m
1 stop
LIS2:50 pmLisbon Humberto Delgado
$613
British Airways
Apr 8
LIS7:20 amLisbon Humberto Delgado
17h 20m
1 stop
BWI7:40 pmBaltimore/Washington
Apr 24
BWI9:30 pmBaltimore/Washington
20h 40m
1 stop
LIS11:10 pmLisbon Humberto Delgado
$632
British Airways
Mar 12
LIS10:40 amLisbon Humberto Delgado
13h 05m
1 stop
BWI7:45 pmBaltimore/Washington
Mar 18
BWI9:35 pmBaltimore/Washington
13h 15m
1 stop
LIS2:50 pmLisbon Humberto Delgado
$633

momondo Fare Finder

 
Customize your flight search to find flights from Portugal to Baltimore 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 February 26, 2026.
Use the filters below to find and compare flights from Portugal to Baltimore that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortoBaltimore

OPO - BWI

OPOBWI

Porto

Mon 3/9

5:00 am-7:19 pm

2 stops18h 19m

Baltimore/Washington

Mon 3/16

3:35 pm-3:25 pm

2 stops19h 50m

$582

PortoBaltimore

OPO - BWI

OPOBWI

Porto

Mon 3/9

5:00 am-7:19 pm

2 stops18h 19m

Baltimore/Washington

Mon 3/16

3:35 pm-3:25 pm

2 stops19h 50m

$584

LisbonBaltimore

LIS - BWI

LISBWI

Lisbon Humberto Delgado

Thu 4/9

5:35 am-7:19 pm

2 stops18h 44m

Baltimore/Washington

Sat 4/25

5:20 pm-10:45 am

1 stop12h 25m

$588

LisbonBaltimore

LIS - BWI

LISBWI

Lisbon Humberto Delgado

Thu 4/9

12:45 pm-7:19 pm

1 stop11h 34m

Baltimore/Washington

Sat 4/25

5:20 pm-10:45 am

1 stop12h 25m

$600

LisbonBaltimore

LIS - BWI

LISBWI

Lisbon Humberto Delgado

Wed 4/15

7:25 am-5:33 pm

2 stops39h 08m

Baltimore/Washington

Sun 4/19

3:42 pm-3:30 pm

2 stops42h 48m

$612

PortoBaltimore

OPO - BWI

OPOBWI

Porto

Thu 4/16

12:35 pm-10:02 am

2 stops26h 27m

Baltimore/Washington

Sun 4/19

6:00 am-11:15 am

2 stops24h 15m

$617

LisbonBaltimore

LIS - BWI

LISBWI

Lisbon Humberto Delgado

Thu 4/9

12:45 pm-7:19 pm

1 stop11h 34m

Baltimore/Washington

Tue 4/21

3:33 pm-10:45 am

1 stop14h 12m

$627

LisbonBaltimore

LIS - BWI

LISBWI

Lisbon Humberto Delgado

Wed 4/8

7:20 am-7:40 pm

1 stop17h 20m

Baltimore/Washington

Fri 4/24

9:30 pm-11:10 pm

1 stop20h 40m

$632

LisbonBaltimore

LIS - BWI

LISBWI

Lisbon Humberto Delgado

Thu 3/12

10:40 am-7:45 pm

1 stop13h 05m

Baltimore/Washington

Wed 3/18

9:35 pm-2:50 pm

1 stop13h 15m

$633

PortoBaltimore

OPO - BWI

OPOBWI

Porto

Thu 4/2

9:55 am-7:40 pm

1 stop14h 45m

Baltimore/Washington

Sat 4/18

9:44 am-7:40 am

2 stops16h 56m

$689

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 Washington, D.C. from

How to get the cheapest flight ticket from Portugal 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

Can stopping save me money on Portugal to Baltimore flights?

You could potentially save up to 17% on your flight if you consider stops on a Portugal to Baltimore flight.

Cheap Portugal to Baltimore flight deals and tips

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

Fastest flight time

13h 05m

Direct flights

None
The fastest flight from Portugal to Baltimore takes 13h 05m
There are no direct flights from Portugal to Baltimore. There are no popular flight routes from Portugal to Baltimore.
Search flight deals

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

    Prices for flights from Portugal to Baltimore/Washington Airport are refreshed on a daily basis.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Portugal to Baltimore/Washington Airport.

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

    The travel and health documents required for your trip to Baltimore/Washington Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Baltimore/Washington Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Portugal to Baltimore

Compare and see reviews for airlines that fly from Portugal to Baltimore with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $500Free CancellationRating
6.7
7,772 reviews
Search British Airways flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Portugal to Baltimore for you.

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

Yes. All flights to Baltimore from Portugal on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once all potential Portugal to Baltimore flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes momondo offers price alerts on flights to Baltimore from Portugal. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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