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$377+ Cheap flights from Portugal to Baltimore (BWI)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/19. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — BWI
mar. 19 — mar. 261
jue. 3/19
jue. 3/26
1 adult, Economy
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Cheap flight deals from Portugal to Baltimore

Cheapest flights from Portugal to Baltimore
Explore the most affordable flight options available from Portugal to Baltimore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on febrero 17, 2026.

This United Airlines deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/155:05 am
LIS
-
BWI
2 stops33h 57m
United Airlines
dom. 4/196:45 pm
BWI
-
LIS
2 stops32h 35m
United Airlines
Deal found 2/15$611
This ResecentrumGruppen deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure ResecentrumGruppen is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 2/2311:15 am
LIS
-
BWI
1 stop12h 54m
KLM
dom. 3/13:39 pm
BWI
-
LIS
1 stop11h 21m
KLM
Deal found 2/16$613
This United Airlines deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/316:00 am
OPO
-
BWI
2 stops44h 23m
United Airlines
mar. 4/711:08 am
BWI
-
OPO
2 stops17h 37m
United Airlines
Deal found 2/14$623
This American Airlines deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/156:35 am
LIS
-
BWI
2 stops20h 31m
American Airlines
dom. 4/199:35 pm
BWI
-
LIS
1 stop20h 30m
American Airlines
Deal found 2/16$626
This United Airlines deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/1612:35 pm
OPO
-
BWI
2 stops26h 27m
United Airlines
dom. 4/196:45 pm
BWI
-
OPO
2 stops34h 00m
United Airlines
Deal found 2/15$627
This Delta deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/315:35 am
LIS
-
BWI
2 stops18h 44m
Delta
mar. 4/710:54 am
BWI
-
LIS
2 stops16h 56m
Delta
Deal found 2/14$634
This United Airlines deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/16:00 am
OPO
-
BWI
2 stops20h 23m
United Airlines
mié. 4/811:08 am
BWI
-
OPO
2 stops17h 37m
United Airlines
Deal found 2/15$635
This British Airways deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 3/17:05 am
LIS
-
BWI
1 stop16h 40m
British Airways
mar. 3/179:35 pm
BWI
-
LIS
1 stop32h 20m
British Airways
Deal found 2/16$636
This Delta deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/95:00 am
OPO
-
BWI
2 stops18h 19m
Delta
lun. 3/233:35 pm
BWI
-
OPO
2 stops14h 55m
Delta
Deal found 2/14$637
This British Airways deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 2/206:45 pm
LIS
-
BWI
1 stop29h 00m
British Airways
jue. 2/268:35 pm
BWI
-
LIS
1 stop32h 30m
British Airways
Deal found 2/13$637
This American Airlines deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/168:20 am
OPO
-
BWI
2 stops16h 02m
American Airlines
dom. 4/199:35 pm
BWI
-
OPO
2 stops53h 05m
American Airlines
Deal found 2/16$645
This Delta deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/95:00 am
OPO
-
BWI
2 stops18h 19m
Delta
lun. 3/163:35 pm
BWI
-
OPO
2 stops19h 50m
Delta
Deal found 2/13$646

Find flight deals from Portugal to Baltimore

Keep the following information in mind while searching for Portugal to Baltimore flight deals. Data was last updated febrero 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$611
(United Airlines)

One-way from

$377
(American Airlines)

Popular in

July

Cheapest in

September

Average price

$752
Provider with most accurate pricing for Lisbon Humberto Delgado-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lisbon Humberto Delgado-Washington, D.C. (WAS) flights.
Search Deals
From Portugal to Baltimore/Washington
Search Deals
One-way flight from Portugal to Baltimore/Washington
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($75 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated febrero 17, 2026.
Use the filters below to find and compare flights from Portugal to Baltimore that are best for you.

Fly from

Portugal

Fly to

Baltimore

Route

Depart

Return

Price

LisbonBaltimore

LIS - BWI

LISBWI

Lisbon Humberto Delgado

mié. 4/15

5:05 am-5:33 pm

2 stops17h 28m

Baltimore/Washington

dom. 4/19

6:45 pm-8:20 am

2 stops32h 35m

$611

LisbonBaltimore

LIS - BWI

LISBWI

Lisbon Humberto Delgado

mié. 4/15

6:35 am-10:06 pm

2 stops20h 31m

Baltimore/Washington

dom. 4/19

9:35 pm-11:05 pm

1 stop20h 30m

$626

PortoBaltimore

OPO - BWI

OPOBWI

Porto

jue. 4/16

12:35 pm-9:23 pm

2 stops37h 48m

Baltimore/Washington

dom. 4/19

6:00 am-9:45 am

2 stops22h 45m

$627

PortoBaltimore

OPO - BWI

OPOBWI

Porto

mié. 4/1

6:00 am-9:23 pm

2 stops20h 23m

Baltimore/Washington

mié. 4/8

11:08 am-9:45 am

2 stops17h 37m

$635

LisbonBaltimore

LIS - BWI

LISBWI

Lisbon Humberto Delgado

mié. 4/15

7:20 am-7:40 pm

1 stop17h 20m

Baltimore/Washington

dom. 4/19

9:35 pm-11:05 pm

1 stop20h 30m

$636

LisbonBaltimore

LIS - BWI

LISBWI

Lisbon Humberto Delgado

dom. 3/1

7:05 am-6:45 pm

1 stop16h 40m

Baltimore/Washington

mar. 3/17

9:35 pm-9:55 am

1 stop32h 20m

$636

LisbonBaltimore

LIS - BWI

LISBWI

Lisbon Humberto Delgado

jue. 3/26

10:40 am-7:45 pm

1 stop13h 05m

Baltimore/Washington

jue. 4/9

9:30 pm-11:05 pm

1 stop20h 35m

$638

PortoBaltimore

OPO - BWI

OPOBWI

Porto

jue. 4/16

8:20 am-11:56 pm

2 stops20h 36m

Baltimore/Washington

dom. 4/19

9:35 pm-7:40 am

2 stops53h 05m

$645

PortoBaltimore

OPO - BWI

OPOBWI

Porto

lun. 3/9

5:00 am-7:19 pm

2 stops18h 19m

Baltimore/Washington

lun. 3/16

3:35 pm-3:25 pm

2 stops19h 50m

$646

LisbonBaltimore

LIS - BWI

LISBWI

Lisbon Humberto Delgado

dom. 3/1

11:25 am-10:06 am

2 stops51h 41m

Baltimore/Washington

mar. 3/17

2:38 pm-9:00 am

2 stops14h 22m

$649

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/15

Showing 1-10 of 33 results
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Best time to book a flight from Portugal to Baltimore

Have a flexible travel schedule? Discover the best time to fly to Baltimore from Portugal with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Portugal to Baltimore

What is the cheapest month to book a flight from Portugal to Baltimore?

Currently, March is the cheapest month in which you can book a flight from Portugal to Baltimore (average of $451). Flying from Portugal to Baltimore in July is currently the most expensive (average of $660). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Baltimore

Get insights into the airlines that provide service to Baltimore. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Baltimore. Reviews last updated febrero 17, 2026.
Read through reviews of airlines operating flights from Portugal to Baltimore, such as British Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
7,752 reviews

Boarding

6.9

Food

6.4

Entertainment

6.4

Comfort

6.8

Overall

6.7

Crew

7.6

Reviews

1 / 20
6.0
Good

Roxanne,Sep 2025

LHR - IAD

Food was mediocre. Couldn't use headphones because no information on how to use. Staff paid so much attention on a family with a baby . They got VIP treatment.
British Airways
6.7
Okay
7,752 reviews
British Airways
6.7
Okay
7,752 reviews

Boarding

6.9

Food

6.4

Entertainment

6.4

Comfort

6.8

Overall

6.7

Crew

7.6

Reviews

1 / 20
6.0
Good

Roxanne,Sep 2025

LHR - IAD

Food was mediocre. Couldn't use headphones because no information on how to use. Staff paid so much attention on a family with a baby . They got VIP treatment.

Related info for your journey

Find useful and relevant information for your journey from Portugal to Baltimore. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Baltimore from Portugal?

    For a flight from Portugal to Baltimore, you will be flying into Baltimore/Washington. Baltimore/Washington (BWI) is just 8.5 mi from the center of the city.

  • How long is the flight from Portugal to Baltimore?

    Airlines like United Airlines and American Airlines fly from Portugal to Baltimore in about 17h 28m. The time it takes to get you to your destination can typically vary by up to 3h 03m. Portugal and Baltimore are separated by a distance of 3535 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Portugal to Baltimore that include hotel bookings?

    Yes. In addition to deals on Portugal to Baltimore flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portugal to Baltimore?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portugal to Baltimore.

  • Can I find deals for business class flights from Portugal to Baltimore?

    Yes. Cheapflights offers flight deals from Portugal to Baltimore by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Portugal to Baltimore?

    Currently, March is the cheapest month in which you can book a flight from Portugal to Baltimore (average of $451). Flying from Portugal to Baltimore in July is currently the most expensive (average of $660). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Portugal to Baltimore

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Portugal to Baltimore

Discover the top airline that operate flights from Portugal to Baltimore. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated febrero 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$500Average$644FlexibilityNo cancel feeOn-time70%

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