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Cheap flights from Portugal to Washington, D.C. from $376

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 6/11. 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.
British Airways Logo
11:05 am - 7:40 pm
LIS
-
BWI
13h 35m
1 stop
British Airways Logo
9:30 pm - 5:55 pm
BWI
-
LIS
15h 25m
1 stop
$642British Airways
Fri, Jun 12 - Mon, Jun 15
Delta Logo
5:00 am - 5:41 pm
LIS
-
BWI
17h 41m
2 stops
Delta Logo
1:00 pm - 8:50 am
BWI
-
LIS
14h 50m
2 stops
$715Delta
Tue, Jun 23 - Tue, Oct 20
United Airlines Logo
12:35 pm - 10:19 am
OPO
-
BWI
26h 44m
2 stops
United Airlines Logo
8:15 am - 9:30 am
BWI
-
OPO
20h 15m
2 stops
$719United Airlines
Fri, Nov 13 - Sun, Nov 15
Delta Logo
11:55 am - 10:24 pm
LIS
-
BWI
15h 29m
2 stops
Delta Logo
5:33 pm - 10:45 am
BWI
-
LIS
12h 12m
1 stop
$719Delta
Wed, Jun 24 - Wed, Oct 21
United Airlines Logo
12:35 pm - 8:57 pm
OPO
-
BWI
36h 22m
2 stops
United Airlines Logo
8:15 am - 9:30 am
BWI
-
OPO
44h 15m
2 stops
$720United Airlines
Fri, Oct 30 - Sun, Nov 1
United Airlines Logo
12:35 pm - 10:19 am
OPO
-
BWI
26h 44m
2 stops
United Airlines Logo
6:17 am - 9:30 am
BWI
-
OPO
22h 13m
2 stops
$721United Airlines
Fri, Nov 13 - Sun, Nov 15
Delta Logo
11:55 am - 10:24 pm
LIS
-
BWI
15h 29m
2 stops
Delta Logo
1:29 pm - 10:55 am
BWI
-
LIS
16h 26m
2 stops
$726Delta
Mon, Jun 8 - Tue, Jun 16
United Airlines Logo
6:45 am - 1:57 pm
LIS
-
BWI
36h 12m
2 stops
United Airlines Logo
8:15 am - 8:10 am
BWI
-
LIS
19h 55m
2 stops
$727United Airlines
Wed, Oct 21 - Sun, Oct 25
American Airlines Logo
8:55 am - 12:01 am
LIS
-
BWI
20h 06m
2 stops
American Airlines Logo
9:35 pm - 5:45 pm
BWI
-
LIS
16h 10m
1 stop
$732American Airlines
Wed, Oct 21 - Sun, Oct 25
American Airlines Logo
8:55 am - 12:28 pm
LIS
-
BWI
32h 33m
2 stops
American Airlines Logo
9:35 pm - 5:45 pm
BWI
-
LIS
16h 10m
1 stop
$733American Airlines
Wed, Oct 21 - Sun, Oct 25

Delta flights from Portugal to Baltimore

Our best Delta deals on Portugal to Baltimore flight tickets
Delta
Jun 4
OPO5:00 amPorto
19h 16m
2 stops
BWI7:16 pmBaltimore/Washington
Jun 8
BWI6:21 pmBaltimore/Washington
16h 04m
2 stops
OPO3:25 pmPorto
$708
Delta
Jun 3
OPO5:55 amPorto
18h 21m
2 stops
BWI7:16 pmBaltimore/Washington
Jun 8
BWI6:21 pmBaltimore/Washington
16h 04m
2 stops
OPO3:25 pmPorto
$710
Delta
Jun 23
LIS5:00 amLisbon Humberto Delgado
17h 41m
2 stops
BWI5:41 pmBaltimore/Washington
Oct 20
BWI1:00 pmBaltimore/Washington
14h 50m
2 stops
LIS8:50 amLisbon Humberto Delgado
$715

KLM flights from Portugal to Baltimore

Our best KLM deals on Portugal to Baltimore flight tickets
KLM
Jun 23
LIS12:45 pmLisbon Humberto Delgado
14h 39m
1 stop
BWI10:24 pmBaltimore/Washington
Oct 21
BWI5:33 pmBaltimore/Washington
12h 12m
1 stop
LIS10:45 amLisbon Humberto Delgado
$744
KLM
Aug 10
LIS5:00 amLisbon Humberto Delgado
17h 47m
2 stops
BWI5:47 pmBaltimore/Washington
Aug 26
BWI1:45 pmBaltimore/Washington
16h 00m
1 stop
LIS10:45 amLisbon Humberto Delgado
$775
KLM
Jun 25
LIS12:45 pmLisbon Humberto Delgado
14h 39m
1 stop
BWI10:24 pmBaltimore/Washington
Oct 21
BWI5:33 pmBaltimore/Washington
12h 12m
1 stop
LIS10:45 amLisbon Humberto Delgado
$795

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 May 29, 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

Cheapest round-trip

LisbonBaltimore

LIS - BWI

LISBWI

Lisbon Humberto Delgado

Fri 6/12

11:05 am-7:40 pm

1 stop13h 35m

Baltimore/Washington

Mon 6/15

9:30 pm-5:55 pm

1 stop15h 25m

$642

LisbonBaltimore

LIS - BWI

LISBWI

Lisbon Humberto Delgado

Tue 6/23

5:00 am-5:41 pm

2 stops17h 41m

Baltimore/Washington

Tue 10/20

1:00 pm-8:50 am

2 stops14h 50m

$715

PortoBaltimore

OPO - BWI

OPOBWI

Porto

Fri 11/13

12:35 pm-10:19 am

2 stops26h 44m

Baltimore/Washington

Sun 11/15

8:15 am-9:30 am

2 stops20h 15m

$719
Quickest round-trip

LisbonBaltimore

LIS - BWI

LISBWI

Lisbon Humberto Delgado

Wed 6/24

11:55 am-10:24 pm

2 stops15h 29m

Baltimore/Washington

Wed 10/21

5:33 pm-10:45 am

1 stop12h 12m

$719

PortoBaltimore

OPO - BWI

OPOBWI

Porto

Fri 10/30

12:35 pm-8:57 pm

2 stops36h 22m

Baltimore/Washington

Sun 11/1

8:15 am-9:30 am

2 stops44h 15m

$720

PortoBaltimore

OPO - BWI

OPOBWI

Porto

Fri 11/13

12:35 pm-10:19 am

2 stops26h 44m

Baltimore/Washington

Sun 11/15

6:17 am-9:30 am

2 stops22h 13m

$721

LisbonBaltimore

LIS - BWI

LISBWI

Lisbon Humberto Delgado

Mon 6/8

11:55 am-10:24 pm

2 stops15h 29m

Baltimore/Washington

Tue 6/16

1:29 pm-10:55 am

2 stops16h 26m

$726

LisbonBaltimore

LIS - BWI

LISBWI

Lisbon Humberto Delgado

Wed 10/21

6:45 am-1:57 pm

2 stops36h 12m

Baltimore/Washington

Sun 10/25

8:15 am-8:10 am

2 stops19h 55m

$727

LisbonBaltimore

LIS - BWI

LISBWI

Lisbon Humberto Delgado

Wed 10/21

8:55 am-12:01 am

2 stops20h 06m

Baltimore/Washington

Sun 10/25

9:35 pm-5:45 pm

1 stop16h 10m

$732

LisbonBaltimore

LIS - BWI

LISBWI

Lisbon Humberto Delgado

Wed 10/21

8:55 am-12:28 pm

2 stops32h 33m

Baltimore/Washington

Sun 10/25

9:35 pm-5:45 pm

1 stop16h 10m

$733

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 27% 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 10m

Direct flights

None
The fastest flight from Portugal to Baltimore takes 13h 10m
There are no direct flights from Portugal to Baltimore. There are no popular flight routes from Portugal to Baltimore.
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Frequently asked questions about flying from Portugal to Baltimore

  • 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 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.

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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