HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Portugal

$239+ Cheap flights from Baltimore (BWI) to Portugal

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 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — LIS
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Baltimore to Portugal 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 Baltimore to Portugal

Keep the following information in mind while searching for Baltimore to Portugal flight deals. Data was last updated junio 12, 2025.

Round-trip from

$390
(Booking.com)

One-way from

$239
(KAYAK)

Popular in

December

Cheapest in

February

Average price

$1,218
From Baltimore/Washington to Portugal
Search Deals
One-way flight from Baltimore/Washington to Portugal
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($21 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($37 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

Find flight deals from Baltimore to Portugal

Cheapest flights from Baltimore to Portugal
Explore the most affordable flight options available from Baltimore to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 2025.

This Booking.com deal was found by Cheapflights users on 6/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/267:05 pmBWI - LIS
1 stop21h 10mPLAY
vie. 10/319:15 pmLIS - BWI
1 stop24h 40mPLAY
Deal found 6/10$390
This FlightHub deal was found by Cheapflights users on 6/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/208:30 pmBWI - LIS
1 stop19h 50mIcelandair
dom. 8/2410:20 pmLIS - BWI
1 stop26h 05mIcelandair
Deal found 6/10$501
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/16:05 pmBWI - LIS
2 stops15h 50mAmerican Airlines
mié. 12/106:30 amLIS - BWI
2 stops17h 51mAmerican Airlines
Deal found 6/10$507
This United Airlines deal was found by Cheapflights users on 6/10. 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.
mié. 11/1910:56 amBWI - OPO
2 stops19h 44mUnited Airlines
mié. 11/266:00 amOPO - BWI
2 stops32h 59mUnited Airlines
Deal found 6/10$515
This British Airways deal was found by Cheapflights users on 6/9. 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. 11/28:30 pmBWI - LIS
1 stop16h 15mBritish Airways
mié. 11/197:05 amLIS - BWI
1 stop16h 40mBritish Airways
Deal found 6/9$523
This Iberia deal was found by Cheapflights users on 6/10. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/238:30 pmBWI - LIS
2 stops42h 35mIberia
lun. 12/18:45 pmLIS - BWI
2 stops51h 00mIberia
Deal found 6/10$536
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 7/79:51 pmBWI - FAO
2 stops35h 49mMultiple Airlines
mar. 7/1511:45 amFAO - BWI
2 stops24h 45mMultiple Airlines
Deal found 6/10$553
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/278:30 pmBWI - LIS
1 stop19h 50mMultiple Airlines
mié. 9/32:00 pmLIS - BWI
2 stops22h 33mMultiple Airlines
Deal found 6/11$567
This Expedia deal was found by Cheapflights users on 6/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/28:30 pmBWI - OPO
2 stops30h 10mBritish Airways
vie. 11/78:40 pmOPO - BWI
2 stops51h 05mBritish Airways
Deal found 6/12$578
This United Airlines deal was found by Cheapflights users on 6/10. 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.
jue. 9/1810:51 amBWI - PDL
2 stops17h 49mUnited Airlines
mié. 9/2411:00 amPDL - BWI
2 stops14h 42mUnited Airlines
Deal found 6/10$620
This Delta deal was found by Cheapflights users on 6/11. 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. 10/145:30 pmBWI - OPO
2 stops17h 00mDelta
jue. 10/2311:35 amOPO - BWI
2 stops17h 37mDelta
Deal found 6/11$625
This Scandinavian Airlines deal was found by Cheapflights users on 6/10. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/2010:30 amBWI - LIS
2 stops24h 35mScandinavian Airlines
mié. 12/34:55 pmLIS - BWI
2 stops36h 17mScandinavian Airlines
Deal found 6/10$642

Cheapflights Fare Finder

Customize your flight search to find flights from Baltimore to Portugal 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 junio 12, 2025.
Use the filters below to find and compare flights from Baltimore to Portugal that are best for you.

Fly from

Baltimore

Fly to

Portugal

Route

Depart

Return

Price

BaltimoreLisbon

BWI - LIS

BWILIS

Baltimore/Washington

dom. 8/17

6:50 pm-8:20 pm

1 stop20h 30m

Lisbon Humberto Delgado

lun. 9/1

9:25 pm-5:40 pm

1 stop25h 15m

$483

BaltimoreLisbon

BWI - LIS

BWILIS

Baltimore/Washington

mié. 8/20

8:30 pm-9:20 pm

1 stop19h 50m

Lisbon Humberto Delgado

dom. 8/24

10:20 pm-7:25 pm

1 stop26h 05m

$501

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

mié. 11/19

10:56 am-11:40 am

2 stops19h 44m

Porto

mié. 11/26

6:00 am-9:59 am

2 stops32h 59m

$515

BaltimoreFaro

BWI - FAO

BWIFAO

Baltimore/Washington

lun. 7/7

9:51 pm-2:40 pm

2 stops35h 49m

Faro

mar. 7/15

11:45 am-7:30 am

2 stops24h 45m

$553

BaltimoreLisbon

BWI - LIS

BWILIS

Baltimore/Washington

mié. 8/27

8:30 pm-9:20 pm

1 stop19h 50m

Lisbon Humberto Delgado

mié. 9/3

2:00 pm-7:33 am

2 stops22h 33m

$567

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

dom. 11/2

8:30 pm-7:40 am

2 stops30h 10m

Porto

vie. 11/7

8:40 pm-6:45 pm

2 stops51h 05m

$578

BaltimorePonta Delgada

BWI - PDL

BWIPDL

Baltimore/Washington

jue. 9/18

10:51 am-8:40 am

2 stops17h 49m

Ponta Delgada Nordela

mié. 9/24

11:00 am-9:42 pm

2 stops14h 42m

$620

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

mar. 10/14

5:30 pm-3:30 pm

2 stops17h 00m

Porto

jue. 10/23

11:35 am-12:12 am

2 stops17h 37m

$625

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

vie. 8/29

6:50 pm-8:05 pm

1 stop20h 15m

Porto

jue. 9/11

9:20 pm-5:40 pm

1 stop25h 20m

$652

BaltimoreFaro

BWI - FAO

BWIFAO

Baltimore/Washington

mar. 10/21

6:50 pm-8:45 pm

1 stop20h 55m

Faro

sáb. 10/25

9:45 pm-5:55 pm

1 stop25h 10m

$658

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 58 results
1
2
3
...
6

Best time to book a flight from Baltimore to Portugal

Have a flexible travel schedule? Discover the best time to fly to Portugal from Baltimore 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 Baltimore to Portugal

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

Currently, January is the cheapest month in which you can book a flight from Baltimore to Portugal (average of $612). Flying from Baltimore to Portugal in June is currently the most expensive (average of $1,136). 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.

What is the cheapest time of day to fly from BWI to PT?

Find hourly flight availability from Baltimore to Portugal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated junio 12, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Baltimore to Portugal as you normally would.

Rainfall in Portugal by month

Plan your trip to Portugal by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Portugal ranges from 0.2 - 4.8 inches per month. December is typically the wettest month, when rainfall can reach 4.8 in. July is typically the driest time to visit Portugal when rainfall is around 0.2 in.

Temperature in Portugal by month

Plan your trip to Portugal by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Portugal, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing Portugal

Get insights into the airlines that provide service to Portugal. 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 Portugal. Reviews last updated junio 12, 2025.
Read through reviews of airlines operating flights from Baltimore to Portugal, such as Delta, KLM and Finnair. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,290 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air France
7.5
Good
1,463 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Baltimore to Portugal. 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 from for flights from Baltimore to Portugal?

    Baltimore/Washington (BWI), located 8.5 mi from the city center, is the airport you fly out of when you book flights from Baltimore to Portugal.

  • What are the cheapest airlines to fly from Baltimore to Portugal one-way?

    To fly one-way, consider booking your trip with Icelandair, which is currently one of the cheapest options available, starting at $239. PLAY flights start at $295 while deals on British Airways start at $416 one-way.

  • What are the most popular routes from Baltimore to Portugal?

    Most travelers choose Baltimore/Washington - Lisbon Humberto Delgado, Baltimore/Washington - Porto or Baltimore/Washington - Ponta Delgada Nordela when deciding on the best route from Baltimore to Portugal.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Baltimore to Portugal 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 Baltimore to Portugal?

    Currently, January is the cheapest month in which you can book a flight from Baltimore to Portugal (average of $612). Flying from Baltimore to Portugal in June is currently the most expensive (average of $1,136). 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.

Alternative routes for Baltimore to Portugal

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Heathrow flights
Baltimore to Heathrow flights
Dulles Intl to Charles de Gaulle flights
Dulles Intl to Leonardo da Vinci/Fiumicino flights
Dulles Intl to Istanbul flights
Dulles Intl to Athens flights
Dulles Intl to Madrid flights
Dulles Intl to Gatwick flights
Dulles Intl to London City flights
Reagan-National to Heathrow flights
Dulles Intl to Lisbon flights
Dulles Intl to Frankfurt flights
Philadelphia to Heathrow flights
Baltimore to Gatwick flights
Reagan-National to Gatwick flights
Dulles Intl to Barcelona-El Prat flights
Dulles Intl to Dublin flights
Dulles Intl to Orly flights
Baltimore to Charles de Gaulle flights
Philadelphia to Leonardo da Vinci/Fiumicino flights
Reagan-National to Charles de Gaulle flights
Dulles Intl to Amsterdam flights
Reagan-National to Leonardo da Vinci/Fiumicino flights
Baltimore to Leonardo da Vinci/Fiumicino flights
Philadelphia to Athens flights
Reagan-National to Istanbul flights
Philadelphia to Lisbon flights
Reagan-National to Madrid flights
Philadelphia to Dublin flights
Reagan-National to Orly flights
Baltimore to Stansted flights
Baltimore to Madrid flights
Reagan-National to Lisbon flights
Dulles Intl to Keflavik Intl flights
Dulles Intl to Vicenza flights
Reagan-National to Athens flights
Philadelphia to Charles de Gaulle flights
Philadelphia to Barcelona-El Prat flights
Baltimore to Lisbon flights
Dulles Intl to Zurich flights
Baltimore to Athens flights
Philadelphia to Amsterdam flights
Baltimore to Istanbul flights
Dulles Intl to Stansted flights
Dulles Intl to Edinburgh flights
Dulles Intl to Bruxelles-National flights
Reagan-National to Dublin flights
Baltimore to Keflavik Intl flights
Dulles Intl to Munich flights
Baltimore to Dublin flights

Top 7 airlines flying from Baltimore to Portugal

Discover the top 7 airlines that operate flights from Baltimore to Portugal. 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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$328Average$379FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$434Average$953FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$451Average$901FlexibilityNo cancel feeOn-time75%
TAP AIR PORTUGALCheapest$627Average$845FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$673Average$924FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$748Average$1,174FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$751Average$1,032FlexibilityNo cancel feeOn-time71%

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.