Portugal

$314+ 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 7/27. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — LIS
jul. 9 — jul. 161
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Cheap 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 juni 9, 2026.

This deal was found by Cheapflights users on 6/7. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ma. 11/168:35 pm
BWI
-
LIS
1 stop13h 20m
British Airways
on. 11/2510:40 am
LIS
-
BWI
1 stop13h 05m
British Airways
Deal found 6/7$742
This deal was found by Cheapflights users on 6/7. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ma. 11/168:35 pm
BWI
-
LIS
1 stop13h 20m
British Airways
to. 11/2610:40 am
LIS
-
BWI
1 stop13h 05m
British Airways
Deal found 6/7$743
This United Airlines deal was found by Cheapflights users on 6/5. 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.
ti. 10/278:15 am
BWI
-
OPO
2 stops21h 15m
United Airlines
ti. 11/36:00 am
OPO
-
BWI
2 stops19h 57m
United Airlines
Deal found 6/5$746
This deal was found by Cheapflights users on 6/7. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
on. 11/188:35 pm
BWI
-
LIS
1 stop13h 15m
British Airways
fr. 11/2710:40 am
LIS
-
BWI
1 stop13h 05m
British Airways
Deal found 6/7$747
This deal was found by Cheapflights users on 6/7. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
on. 11/188:35 pm
BWI
-
LIS
1 stop13h 15m
British Airways
on. 11/2510:40 am
LIS
-
BWI
1 stop13h 05m
British Airways
Deal found 6/7$748
This Delta deal was found by Cheapflights users on 6/5. 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.
on. 10/2812:15 pm
BWI
-
OPO
2 stops15h 50m
Delta
fr. 11/611:15 am
OPO
-
BWI
2 stops17h 31m
Delta
Deal found 6/5$748
This deal was found by Cheapflights users on 6/7. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sø. 11/158:35 pm
BWI
-
LIS
1 stop13h 15m
British Airways
to. 11/2610:40 am
LIS
-
BWI
1 stop13h 05m
British Airways
Deal found 6/7$749
This deal was found by Cheapflights users on 6/7. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sø. 11/158:35 pm
BWI
-
LIS
1 stop13h 15m
British Airways
fr. 11/2710:40 am
LIS
-
BWI
1 stop13h 05m
British Airways
Deal found 6/7$750
This deal was found by Cheapflights users on 6/7. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
to. 11/198:35 pm
BWI
-
LIS
1 stop13h 10m
British Airways
fr. 11/277:05 am
LIS
-
BWI
1 stop16h 40m
British Airways
Deal found 6/7$751
This deal was found by Cheapflights users on 6/7. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sø. 11/158:35 pm
BWI
-
LIS
1 stop13h 15m
British Airways
sø. 11/227:05 am
LIS
-
BWI
1 stop16h 40m
British Airways
Deal found 6/7$755
This deal was found by Cheapflights users on 6/7. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ma. 11/168:35 pm
BWI
-
LIS
1 stop13h 20m
British Airways
sø. 11/2210:40 am
LIS
-
BWI
1 stop13h 05m
British Airways
Deal found 6/7$756
This deal was found by Cheapflights users on 6/7. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
on. 11/188:35 pm
BWI
-
LIS
1 stop13h 15m
British Airways
sø. 11/2210:40 am
LIS
-
BWI
1 stop13h 05m
British Airways
Deal found 6/7$759

Find flight deals from Baltimore to Portugal

Keep the following information in mind while searching for Baltimore to Portugal flight deals. Data was last updated juni 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$742

One-way from

$314
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$1,367
Provider with most accurate pricing for Washington, D.C. (WAS)-Lisbon Humberto Delgado flight deals.
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Lisbon Humberto Delgado flights.
From Baltimore/Washington to Portugal
One-way flight from Baltimore/Washington to Portugal
Highest demand for flights based on searches. 23% potential increase in price ($298 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($36 potential savings vs. average RT price).
Average for round-trip flights in June 2026

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 juni 9, 2026.
Use the filters below to find and compare flights from Baltimore to Portugal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

sø. 9/6

5:30 pm-3:30 pm

2 stops17h 00m

Porto

on. 9/16

5:00 am-4:55 pm

2 stops16h 55m

$894

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

fr. 8/21

8:10 am-7:00 am

2 stops17h 50m

Porto

ti. 9/15

12:15 pm-5:42 pm

2 stops34h 27m

$914

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

ti. 8/4

1:45 pm-8:30 am

2 stops13h 45m

Porto

to. 8/13

5:00 am-5:47 pm

2 stops17h 47m

$924

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

ti. 7/14

1:45 pm-8:30 am

2 stops13h 45m

Porto

ti. 8/11

5:00 am-5:47 pm

2 stops17h 47m

$924

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

ti. 7/7

1:45 pm-8:30 am

2 stops13h 45m

Porto

on. 7/15

5:00 am-5:42 pm

2 stops17h 42m

$924

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

sø. 8/16

6:32 pm-3:30 pm

2 stops15h 58m

Porto

lø. 9/5

5:00 am-4:49 pm

2 stops16h 49m

$927

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

ma. 8/3

5:36 pm-3:30 pm

2 stops16h 54m

Porto

ti. 8/11

5:00 am-5:47 pm

2 stops17h 47m

$929

BaltimoreFaro

BWI - FAO

BWIFAO

Baltimore/Washington

ma. 8/24

1:45 pm-9:10 am

2 stops14h 25m

Faro

ma. 8/31

9:45 pm-9:13 pm

2 stops28h 28m

$954

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

lø. 9/5

1:00 pm-8:30 am

2 stops14h 30m

Porto

fr. 9/11

11:25 am-10:13 pm

2 stops15h 48m

$969

BaltimoreFaro

BWI - FAO

BWIFAO

Baltimore/Washington

on. 7/22

8:16 am-9:50 am

2 stops20h 34m

Faro

to. 8/13

11:40 am-10:08 am

2 stops27h 28m

$978

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/8

Showing 1-10 of 60 resultsSorted by cheapest first
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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, October is the cheapest month in which you can book a flight from Baltimore to Portugal (average of $399). Flying from Baltimore to Portugal in January is currently the most expensive (average of $1,465). 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 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 juni 9, 2026.
Get a feel of what it's like to fly with Delta,TAP AIR PORTUGAL, andBritish Airways from Baltimore to Portugal by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.5

Comfort

7.8

Overall

7.9

Boarding

8.1

Entertainment

7.8

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Crew

8.5

Comfort

7.8

Overall

7.9

Boarding

8.1

Entertainment

7.8

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Crew

8.5

Comfort

7.8

Overall

7.9

Boarding

8.1

Entertainment

7.8

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Crew

8.5

Comfort

7.8

Overall

7.9

Boarding

8.1

Entertainment

7.8

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

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.

  • How long is the flight from Baltimore to Portugal?

    There are many flights that can get you from Baltimore to Portugal in 14h 25m. Fly via Delta, United Airlines, or KLM to get the fastest option. There are 3643 mi between Baltimore and Portugal. This flight may include one or multiple stops.

  • What are the most popular routes 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, October is the cheapest month in which you can book a flight from Baltimore to Portugal (average of $399). Flying from Baltimore to Portugal in January is currently the most expensive (average of $1,465). 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 Baltimore to Portugal

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Baltimore to Portugal

Discover the top 3 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 juni 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$529Average$880FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$640Average$896FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$806Average$1,078FlexibilityNo cancel feeOn-time70%

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