Portugal

$364+ 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 7/28. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — LIS
Jun 7 — Jun 141
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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 May 8, 2026.

This Delta deal was found by Cheapflights users on 5/6. 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.
Tue 10/271:00 pm
BWI
-
OPO
2 stops17h 30m
Delta
Wed 11/45:00 am
OPO
-
BWI
2 stops22h 10m
Delta
Deal found 5/6$748
This United Airlines deal was found by Cheapflights users on 5/6. 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.
Mon 10/268:15 am
BWI
-
OPO
2 stops21h 15m
United Airlines
Thu 11/512:35 pm
OPO
-
BWI
2 stops30h 22m
United Airlines
Deal found 5/6$755
This FlightHub deal was found by Cheapflights users on 5/7. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/44:39 pm
BWI
-
LIS
2 stops18h 26m
Scandinavian Airlines
Tue 11/104:55 pm
LIS
-
BWI
2 stops34h 42m
Scandinavian Airlines
Deal found 5/7$767
This FlightHub deal was found by Cheapflights users on 5/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/204:39 pm
BWI
-
LIS
2 stops17h 56m
Scandinavian Airlines
Sun 11/14:55 pm
LIS
-
BWI
2 stops34h 42m
Scandinavian Airlines
Deal found 5/5$768
This United Airlines deal was found by Cheapflights users on 5/5. 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.
Sun 10/188:15 am
BWI
-
OPO
2 stops41h 45m
United Airlines
Wed 10/2112:45 pm
OPO
-
BWI
2 stops40h 53m
United Airlines
Deal found 5/5$770
This FlightHub deal was found by Cheapflights users on 5/8. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/134:39 pm
BWI
-
LIS
2 stops18h 06m
Multiple Airlines
Tue 10/274:55 pm
LIS
-
BWI
2 stops35h 16m
Multiple Airlines
Deal found 5/8$773
This Priceline deal was found by Cheapflights users on 5/4. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/219:30 pm
BWI
-
OPO
2 stops17h 30m
Multiple Airlines
Tue 9/298:55 pm
OPO
-
BWI
1 stop25h 20m
Multiple Airlines
Deal found 5/4$781
This Priceline deal was found by Cheapflights users on 5/4. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/219:30 pm
BWI
-
OPO
1 stop17h 35m
British Airways
Tue 9/298:55 pm
OPO
-
BWI
1 stop25h 20m
British Airways
Deal found 5/4$783
This Iberia deal was found by Cheapflights users on 5/5. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/189:35 pm
BWI
-
OPO
1 stop18h 00m
Multiple Airlines
Wed 10/2110:00 pm
OPO
-
BWI
2 stops26h 40m
Multiple Airlines
Deal found 5/5$792
This Delta deal was found by Cheapflights users on 5/6. 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 10/261:00 pm
BWI
-
OPO
2 stops17h 30m
Delta
Mon 11/211:15 am
OPO
-
BWI
2 stops17h 56m
Delta
Deal found 5/6$798
This KAYAK deal was found by Cheapflights users on 5/5. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/202:10 pm
BWI
-
LIS
2 stops20h 25m
Scandinavian Airlines
Wed 10/284:55 pm
LIS
-
BWI
2 stops33h 15m
Scandinavian Airlines
Deal found 5/5$802
This Delta deal was found by Cheapflights users on 5/6. 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 10/266:10 pm
BWI
-
OPO
2 stops24h 15m
Delta
Mon 11/95:00 am
OPO
-
BWI
2 stops22h 37m
Delta
Deal found 5/6$803

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 May 8, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$748
(Delta)

One-way from

$364
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$1,132
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. 20% potential increase in price ($245 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($33 potential savings vs. average RT price).
Average for round-trip flights in May 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 May 8, 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

Mon 8/3

12:03 pm-10:30 am

2 stops17h 27m

Porto

Tue 8/11

5:00 am-4:49 pm

2 stops16h 49m

$895

BaltimoreFaro

BWI - FAO

BWIFAO

Baltimore/Washington

Mon 8/24

10:40 am-9:10 am

2 stops17h 30m

Faro

Mon 8/31

11:40 am-9:28 pm

2 stops38h 48m

$994
Quickest round-trip

BaltimoreLisbon

BWI - LIS

BWILIS

Baltimore/Washington

Sun 7/19

6:22 pm-10:45 am

1 stop11h 23m

Lisbon Humberto Delgado

Wed 7/29

12:45 pm-10:29 pm

1 stop14h 44m

$1,001

BaltimorePonta Delgada

BWI - PDL

BWIPDL

Baltimore/Washington

Sun 5/24

6:15 am-8:40 am

2 stops22h 25m

Ponta Delgada Nordela

Mon 6/1

11:00 am-12:33 am

2 stops17h 33m

$1,031

BaltimoreFaro

BWI - FAO

BWIFAO

Baltimore/Washington

Sun 7/19

6:15 am-9:55 am

2 stops22h 40m

Faro

Mon 7/27

11:40 am-12:28 am

2 stops41h 48m

$1,034

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Wed 6/3

10:40 am-9:45 am

2 stops18h 05m

Porto

Thu 6/11

12:10 pm-12:33 am

2 stops17h 23m

$1,047

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Tue 6/16

6:21 pm-3:25 pm

2 stops16h 04m

Porto

Thu 6/25

11:25 am-10:24 pm

2 stops15h 59m

$1,050

BaltimorePonta Delgada

BWI - PDL

BWIPDL

Baltimore/Washington

Sat 5/30

7:11 pm-8:40 am

2 stops33h 29m

Ponta Delgada Nordela

Sun 6/7

11:00 am-1:54 pm

2 stops30h 54m

$1,055

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Fri 7/10

11:52 am-10:30 am

2 stops17h 38m

Porto

Thu 7/16

5:00 am-5:42 pm

2 stops17h 42m

$1,108

BaltimorePonta Delgada

BWI - PDL

BWIPDL

Baltimore/Washington

Mon 7/13

10:32 am-8:40 am

2 stops18h 08m

Ponta Delgada Nordela

Tue 7/21

11:00 am-12:28 am

2 stops17h 28m

$1,109

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/7

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 $396). 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 May 8, 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.

Boarding

8.1

Crew

8.5

Food

7.2

Overall

7.9

Entertainment

7.8

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

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

Boarding

8.1

Crew

8.5

Food

7.2

Overall

7.9

Entertainment

7.8

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

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

Boarding

8.1

Crew

8.5

Food

7.2

Overall

7.9

Entertainment

7.8

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

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

Boarding

8.1

Crew

8.5

Food

7.2

Overall

7.9

Entertainment

7.8

Comfort

7.9

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 13h. Fly via Delta, United Airlines, or British Airways to get the fastest option. There are 3535 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 $396). 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 May 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$529Average$938FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$640Average$896FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$781Average$1,078FlexibilityNo cancel feeOn-time70%

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