HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Baltimore

$364+ 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 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — BWI
May 12 — May 191
Tue 5/12
Tue 5/19
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Portugal to Baltimore with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 April 12, 2026.

This United Airlines deal was found by Cheapflights users on 4/7. 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.
Fri 5/225:05 am
LIS
-
BWI
2 stops24h 28m
United Airlines
Fri 5/298:05 pm
BWI
-
LIS
2 stops31h 15m
United Airlines
Deal found 4/7$700
This United Airlines deal was found by Cheapflights users on 4/7. 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.
Thu 11/195:00 am
LIS
-
BWI
2 stops24h 38m
United Airlines
Mon 11/2310:45 am
BWI
-
LIS
2 stops16h 25m
United Airlines
Deal found 4/7$702
This United Airlines deal was found by Cheapflights users on 4/7. 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.
Thu 4/237:25 am
LIS
-
BWI
2 stops31h 14m
United Airlines
Wed 5/66:15 am
BWI
-
LIS
2 stops35h 30m
United Airlines
Deal found 4/7$704
This United Airlines deal was found by Cheapflights users on 4/10. 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.
Thu 11/125:00 am
LIS
-
BWI
2 stops24h 38m
United Airlines
Sun 11/158:15 am
BWI
-
LIS
2 stops18h 55m
United Airlines
Deal found 4/10$710
This American Airlines deal was found by Cheapflights users on 4/7. 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.
Thu 4/2311:05 am
LIS
-
BWI
2 stops13h 29m
American Airlines
Wed 5/69:30 pm
BWI
-
LIS
1 stop20h 45m
American Airlines
Deal found 4/7$716
This United Airlines deal was found by Cheapflights users on 4/7. 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.
Thu 11/1912:35 pm
OPO
-
BWI
2 stops26h 44m
United Airlines
Mon 11/236:17 am
BWI
-
OPO
2 stops22h 13m
United Airlines
Deal found 4/7$717
This American Airlines deal was found by Cheapflights users on 4/7. 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.
Thu 11/196:30 am
LIS
-
BWI
2 stops33h 28m
American Airlines
Mon 11/238:35 pm
BWI
-
LIS
1 stop13h 20m
American Airlines
Deal found 4/7$717
This Delta deal was found by Cheapflights users on 4/10. 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.
Sun 4/1911:55 am
LIS
-
BWI
2 stops16h 31m
Delta
Wed 5/610:40 am
BWI
-
LIS
2 stops17h 10m
Delta
Deal found 4/10$719
This Delta deal was found by Cheapflights users on 4/8. 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.
Fri 4/245:00 am
LIS
-
BWI
2 stops16h 49m
Delta
Tue 4/283:33 pm
BWI
-
LIS
2 stops14h 42m
Delta
Deal found 4/8$721
This Delta deal was found by Cheapflights users on 4/7. 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.
Mon 4/279:50 am
LIS
-
BWI
2 stops18h 09m
Delta
Mon 5/410:40 am
BWI
-
LIS
2 stops17h 10m
Delta
Deal found 4/7$722
This United Airlines deal was found by Cheapflights users on 4/7. 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.
Fri 5/226:00 am
OPO
-
BWI
2 stops20h 26m
United Airlines
Fri 5/2910:44 am
BWI
-
OPO
2 stops15h 11m
United Airlines
Deal found 4/7$723
This Iberia deal was found by Cheapflights users on 4/7. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/227:20 am
LIS
-
BWI
1 stop17h 20m
Multiple Airlines
Fri 5/299:30 pm
BWI
-
LIS
1 stop15h 30m
Multiple Airlines
Deal found 4/7$723

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 April 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$700
(United Airlines)

One-way from

$364
(Kiwi.com)

Popular in

July

Cheapest in

September

Average price

$653
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. 12% potential increase in price ($96 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 April 12, 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 5/22

5:05 am-12:33 am

2 stops24h 28m

Baltimore/Washington

Fri 5/29

8:05 pm-8:20 am

2 stops31h 15m

$700

LisbonBaltimore

LIS - BWI

LISBWI

Lisbon Humberto Delgado

Thu 4/30

5:00 am-4:49 pm

2 stops16h 49m

Baltimore/Washington

Tue 5/12

11:05 am-8:50 am

2 stops16h 45m

$721

PortoBaltimore

OPO - BWI

OPOBWI

Porto

Fri 5/22

6:00 am-9:26 pm

2 stops20h 26m

Baltimore/Washington

Fri 5/29

10:44 am-6:55 am

2 stops15h 11m

$723
Quickest round-trip

LisbonBaltimore

LIS - BWI

LISBWI

Lisbon Humberto Delgado

Fri 4/24

12:45 pm-7:16 pm

1 stop11h 31m

Baltimore/Washington

Tue 4/28

3:33 pm-10:45 am

1 stop14h 12m

$729

LisbonBaltimore

LIS - BWI

LISBWI

Lisbon Humberto Delgado

Sat 4/25

5:35 am-4:37 pm

2 stops16h 02m

Baltimore/Washington

Mon 5/4

10:40 am-8:50 am

2 stops17h 10m

$729

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

Sat 4/25

5:35 am-4:37 pm

2 stops16h 02m

Baltimore/Washington

Tue 5/12

3:53 pm-10:45 am

1 stop13h 52m

$733

LisbonBaltimore

LIS - BWI

LISBWI

Lisbon Humberto Delgado

Tue 4/28

10:00 am-10:30 pm

2 stops17h 30m

Baltimore/Washington

Sun 5/10

9:25 am-10:45 am

2 stops20h 20m

$737

LisbonBaltimore

LIS - BWI

LISBWI

Lisbon Humberto Delgado

Tue 5/26

12:45 pm-11:17 pm

2 stops15h 32m

Baltimore/Washington

Tue 6/2

9:25 am-10:45 am

2 stops20h 20m

$737

LisbonBaltimore

LIS - BWI

LISBWI

Lisbon Humberto Delgado

Mon 4/27

7:10 am-7:40 pm

1 stop17h 30m

Baltimore/Washington

Mon 5/4

9:30 pm-5:55 pm

1 stop15h 25m

$741

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/7

Showing 1-10 of 36 resultsSorted by cheapest first
1
2
3
4

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 $661). 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.

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, Delta, and British Airways fly from Portugal to Baltimore in about 14h 45m. The time it takes to get you to your destination can typically vary by up to 9h 43m. Portugal and Baltimore are separated by a distance of 3493 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 $661). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.