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Cheap flights from Portugal to Washington, D.C. from $364

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 4/28. 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 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 - 4:32 pm
OPO
-
BWI
16h 32m
2 stops
Delta Logo
12:31 pm - 10:20 am
BWI
-
OPO
16h 49m
2 stops
$716Delta
Sat, May 2 - Sat, May 30
Delta Logo
5:00 am - 7:16 pm
LIS
-
BWI
19h 16m
2 stops
Delta Logo
7:59 pm - 10:45 am
BWI
-
LIS
9h 46m
1 stop
$724Delta
Thu, May 28 - Thu, Jun 4
United Airlines Logo
6:00 am - 9:02 pm
OPO
-
BWI
20h 02m
2 stops
United Airlines Logo
10:44 am - 6:55 am
BWI
-
OPO
15h 11m
2 stops
$725United Airlines
Thu, Apr 30 - Sat, May 30
Delta Logo
5:35 am - 7:16 pm
LIS
-
BWI
18h 41m
2 stops
Delta Logo
7:59 pm - 10:45 am
BWI
-
LIS
9h 46m
1 stop
$725Delta
Tue, May 26 - Tue, Jun 2
Delta Logo
5:35 am - 7:16 pm
LIS
-
BWI
18h 41m
2 stops
Delta Logo
3:53 pm - 10:45 am
BWI
-
LIS
13h 52m
1 stop
$726Delta
Wed, May 27 - Wed, Jun 3
United Airlines Logo
9:00 am - 9:26 pm
OPO
-
BWI
17h 26m
2 stops
United Airlines Logo
6:15 am - 6:55 am
BWI
-
OPO
19h 40m
2 stops
$730United Airlines
Sun, May 24 - Sun, May 31
American Airlines Logo
6:35 am - 12:11 am
LIS
-
BWI
22h 36m
2 stops
American Airlines Logo
9:30 pm - 11:05 pm
BWI
-
LIS
20h 35m
1 stop
$730American Airlines
Thu, May 21 - Thu, May 28
Multiple Airlines Logo
7:20 am - 7:40 pm
LIS
-
BWI
17h 20m
1 stop
Multiple Airlines Logo
9:30 pm - 5:55 pm
BWI
-
LIS
15h 25m
1 stop
$735Multiple Airlines
Fri, May 22 - Tue, May 26
British Airways Logo
10:40 am - 7:40 pm
OPO
-
BWI
14h 00m
1 stop
British Airways Logo
9:30 pm - 8:40 pm
BWI
-
OPO
18h 10m
1 stop
$759British Airways
Sat, May 2 - Sat, May 30
British Airways Logo
9:25 pm - 7:40 pm
OPO
-
BWI
27h 15m
1 stop
British Airways Logo
9:30 pm - 10:55 am
BWI
-
OPO
32h 25m
1 stop
$761British Airways
Fri, May 1 - Sat, May 30

Delta flights from Portugal to Baltimore

Our best Delta deals on Portugal to Baltimore flight tickets
Delta
May 2
OPO5:00 amPorto
16h 32m
2 stops
BWI4:32 pmBaltimore/Washington
May 30
BWI12:31 pmBaltimore/Washington
16h 49m
2 stops
OPO10:20 amPorto
$716
Delta
Apr 19
LIS11:55 amLisbon Humberto Delgado
16h 31m
2 stops
BWI11:26 pmBaltimore/Washington
May 6
BWI10:40 amBaltimore/Washington
17h 10m
2 stops
LIS8:50 amLisbon Humberto Delgado
$719
Delta
Apr 19
LIS11:55 amLisbon Humberto Delgado
16h 31m
2 stops
BWI11:26 pmBaltimore/Washington
May 6
BWI7:59 pmBaltimore/Washington
9h 46m
1 stop
LIS10:45 amLisbon Humberto Delgado
$722

United Airlines flights from Portugal to Baltimore

Our best United Airlines deals on Portugal to Baltimore flight tickets
United Airlines
Apr 30
OPO6:00 amPorto
20h 02m
2 stops
BWI9:02 pmBaltimore/Washington
May 30
BWI10:44 amBaltimore/Washington
15h 11m
2 stops
OPO6:55 amPorto
$725
United Airlines
May 24
OPO9:00 amPorto
17h 26m
2 stops
BWI9:26 pmBaltimore/Washington
May 31
BWI6:15 amBaltimore/Washington
19h 40m
2 stops
OPO6:55 amPorto
$730
United Airlines
May 28
OPO12:10 pmPorto
17h 23m
2 stops
BWI12:33 amBaltimore/Washington
Jun 4
BWI6:15 amBaltimore/Washington
19h 40m
2 stops
OPO6:55 amPorto
$732

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 April 14, 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

PortoBaltimore

OPO - BWI

OPOBWI

Porto

Sat 5/2

5:00 am-4:32 pm

2 stops16h 32m

Baltimore/Washington

Sat 5/30

12:31 pm-10:20 am

2 stops16h 49m

$716

LisbonBaltimore

LIS - BWI

LISBWI

Lisbon Humberto Delgado

Thu 5/28

5:00 am-7:16 pm

2 stops19h 16m

Baltimore/Washington

Thu 6/4

7:59 pm-10:45 am

1 stop9h 46m

$724

PortoBaltimore

OPO - BWI

OPOBWI

Porto

Thu 4/30

6:00 am-9:02 pm

2 stops20h 02m

Baltimore/Washington

Sat 5/30

10:44 am-6:55 am

2 stops15h 11m

$725
Quickest round-trip

LisbonBaltimore

LIS - BWI

LISBWI

Lisbon Humberto Delgado

Tue 5/26

5:35 am-7:16 pm

2 stops18h 41m

Baltimore/Washington

Tue 6/2

7:59 pm-10:45 am

1 stop9h 46m

$725

LisbonBaltimore

LIS - BWI

LISBWI

Lisbon Humberto Delgado

Wed 5/27

5:35 am-7:16 pm

2 stops18h 41m

Baltimore/Washington

Wed 6/3

3:53 pm-10:45 am

1 stop13h 52m

$726

PortoBaltimore

OPO - BWI

OPOBWI

Porto

Sun 5/24

9:00 am-9:26 pm

2 stops17h 26m

Baltimore/Washington

Sun 5/31

6:15 am-6:55 am

2 stops19h 40m

$730

LisbonBaltimore

LIS - BWI

LISBWI

Lisbon Humberto Delgado

Thu 5/21

6:35 am-12:11 am

2 stops22h 36m

Baltimore/Washington

Thu 5/28

9:30 pm-11:05 pm

1 stop20h 35m

$730

LisbonBaltimore

LIS - BWI

LISBWI

Lisbon Humberto Delgado

Fri 5/22

7:20 am-7:40 pm

1 stop17h 20m

Baltimore/Washington

Tue 5/26

9:30 pm-5:55 pm

1 stop15h 25m

$735

PortoBaltimore

OPO - BWI

OPOBWI

Porto

Sat 5/2

10:40 am-7:40 pm

1 stop14h 00m

Baltimore/Washington

Sat 5/30

9:30 pm-8:40 pm

1 stop18h 10m

$759

PortoBaltimore

OPO - BWI

OPOBWI

Porto

Fri 5/1

9:25 pm-7:40 pm

1 stop27h 15m

Baltimore/Washington

Sat 5/30

9:30 pm-10:55 am

1 stop32h 25m

$761

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 35m

Direct flights

None
The fastest flight from Portugal to Baltimore takes 13h 35m
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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