Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Baltimore to Portugal from $241

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Baltimore to Portugal departing on 10/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Baltimore to Portugal

Cheap round-trip flights

PLAY Logo
6:50 pm - 8:20 pmBWI-LIS
20h 30m1 stop
PLAY Logo
9:20 pm - 5:40 pmLIS-BWI
25h 20m1 stop
$362PLAY
Find Deal
Sun, Oct 12 - Fri, Oct 17
PLAY Logo
6:50 pm - 8:20 pmBWI-LIS
20h 30m1 stop
PLAY Logo
9:20 pm - 5:40 pmLIS-BWI
25h 20m1 stop
$393PLAY
Find Deal
Thu, Sep 18 - Fri, Sep 26
United Airlines Logo
6:15 am - 9:30 amBWI-OPO
22h 15m2 stops
United Airlines Logo
6:00 am - 9:24 pmOPO-BWI
20h 24m2 stops
$540United Airlines
Find Deal
Sat, Nov 8 - Fri, Nov 21
Delta Logo
8:05 am - 10:30 amBWI-OPO
21h 25m2 stops
Delta Logo
6:00 am - 8:10 amOPO-BWI
31h 10m2 stops
$541Delta
Find Deal
Wed, Nov 5 - Wed, Nov 12
United Airlines Logo
6:15 am - 9:30 amBWI-OPO
22h 15m2 stops
United Airlines Logo
6:00 am - 9:24 pmOPO-BWI
20h 24m2 stops
$560United Airlines
Find Deal
Wed, Nov 12 - Mon, Nov 17
Delta Logo
1:00 pm - 8:25 amBWI-OPO
14h 25m2 stops
Delta Logo
11:10 am - 11:02 pmOPO-BWI
16h 52m2 stops
$577Delta
Find Deal
Thu, Oct 23 - Tue, Nov 4
British Airways Logo
8:35 pm - 8:00 pmBWI-OPO
18h 25m2 stops
British Airways Logo
8:40 pm - 6:45 pmOPO-BWI
27h 05m2 stops
$620British Airways
Find Deal
Fri, Nov 7 - Sat, Nov 15
British Airways Logo
9:35 pm - 8:20 pmBWI-OPO
17h 45m1 stop
British Airways Logo
8:20 pm - 7:45 pmOPO-BWI
28h 25m1 stop
$645British Airways
Find Deal
Sun, Oct 12 - Wed, Oct 22
American Airlines Logo
11:09 am - 7:40 amBWI-OPO
15h 31m2 stops
American Airlines Logo
8:20 am - 7:19 pmOPO-BWI
15h 59m2 stops
$666American Airlines
Find Deal
Fri, Nov 7 - Sat, Nov 15
American Airlines Logo
9:35 pm - 7:00 pmBWI-FAO
16h 25m2 stops
American Airlines Logo
8:00 pm - 7:45 pmFAO-BWI
28h 45m1 stop
$1,398American Airlines
Find Deal
Tue, Oct 7 - Wed, Oct 15

PLAY flights from Baltimore to Portugal

Our best PLAY deals on Baltimore to Portugal flight tickets
PLAY
Oct 12
BWI6:50 pmBaltimore/Washington
20h 30m
1 stop
LIS8:20 pmLisbon Humberto Delgado
Oct 17
LIS9:20 pmLisbon Humberto Delgado
25h 20m
1 stop
BWI5:40 pmBaltimore/Washington
$362
Find similar
PLAY
Sep 18
BWI6:50 pmBaltimore/Washington
20h 30m
1 stop
LIS8:20 pmLisbon Humberto Delgado
Sep 26
LIS9:20 pmLisbon Humberto Delgado
25h 20m
1 stop
BWI5:40 pmBaltimore/Washington
$393
Find similar
PLAY
Sep 18
BWI6:50 pmBaltimore/Washington
20h 30m
1 stop
LIS8:20 pmLisbon Humberto Delgado
Sep 26
LIS9:20 pmLisbon Humberto Delgado
25h 20m
1 stop
BWI5:40 pmBaltimore/Washington
$417
Find similar

Icelandair flights from Baltimore to Portugal

Our best Icelandair deals on Baltimore to Portugal flight tickets
Icelandair
Sep 6
BWI8:30 pmBaltimore/Washington
19h 50m
1 stop
LIS9:20 pmLisbon Humberto Delgado
Sep 11
LIS10:20 pmLisbon Humberto Delgado
26h 05m
1 stop
BWI7:25 pmBaltimore/Washington
$814
Find similar
Icelandair
Aug 27
BWI8:30 pmBaltimore/Washington
19h 50m
1 stop
LIS9:20 pmLisbon Humberto Delgado
Sep 4
LIS10:20 pmLisbon Humberto Delgado
26h 05m
1 stop
BWI7:25 pmBaltimore/Washington
$844
Find similar
Icelandair
Jan 7
BWI7:40 pmBaltimore/Washington
24h 20m
2 stops
FNC1:00 amFunchal Madeira
Jan 22
FNC6:10 pmFunchal Madeira
29h 30m
2 stops
BWI6:40 pmBaltimore/Washington
$1,224
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated August 26, 2025.
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

BaltimoreLisbon

BWI - LIS

BWILIS

Baltimore/Washington

Sun 10/12

6:50 pm-8:20 pm

1 stop20h 30m

Lisbon Humberto Delgado

Fri 10/17

9:20 pm-5:40 pm

1 stop25h 20m

$362

BaltimoreLisbon

BWI - LIS

BWILIS

Baltimore/Washington

Thu 9/18

6:50 pm-8:20 pm

1 stop20h 30m

Lisbon Humberto Delgado

Fri 9/26

9:20 pm-5:40 pm

1 stop25h 20m

$393

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Sat 11/8

6:15 am-9:30 am

2 stops22h 15m

Porto

Fri 11/21

6:00 am-9:24 pm

2 stops20h 24m

$540

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Wed 11/5

8:05 am-10:30 am

2 stops21h 25m

Porto

Wed 11/12

6:00 am-8:10 am

2 stops31h 10m

$541

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Wed 11/12

6:15 am-9:30 am

2 stops22h 15m

Porto

Mon 11/17

6:00 am-9:24 pm

2 stops20h 24m

$560

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Thu 10/23

1:00 pm-8:25 am

2 stops14h 25m

Porto

Tue 11/4

11:10 am-11:02 pm

2 stops16h 52m

$577

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Fri 11/7

8:35 pm-8:00 pm

2 stops18h 25m

Porto

Sat 11/15

8:40 pm-6:45 pm

2 stops27h 05m

$620

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Sun 10/12

9:35 pm-8:20 pm

1 stop17h 45m

Porto

Wed 10/22

8:20 pm-7:45 pm

1 stop28h 25m

$645

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Fri 11/7

11:09 am-7:40 am

2 stops15h 31m

Porto

Sat 11/15

8:20 am-7:19 pm

2 stops15h 59m

$666

BaltimoreFaro

BWI - FAO

BWIFAO

Baltimore/Washington

Tue 10/7

9:35 pm-7:00 pm

2 stops16h 25m

Faro

Wed 10/15

8:00 pm-7:45 pm

1 stop28h 45m

$1,398

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Portugal from

How to get the cheapest flight ticket from Baltimore to Portugal

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Portugal?

The cheapest month to fly to Portugal from Baltimore is in February. Flight prices, which tend to average around $638, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to Portugal from Baltimore during January instead. Flights to Portugal in January, while not as cheap as those in February, still average around $777.

What is the cheapest day to depart on your flight to Portugal?

According to our data, Sunday is the cheapest day to fly to Portugal from Baltimore. The lowest ticket price found for a Sunday departure recently was $737. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Portugal is Saturday, with ticket prices averaging around $1,024.

What is the cheapest time of day to depart on your flight to Portugal?

Our most recent data shows that the best time of day to fly to Portugal is at noon. Flights from Baltimore to Portugal during this time can be as low as $775. In the morning is when there is more demand to fly to Portugal, so prices are often more expensive at around $963 per ticket.

How far in advance should I book a flight to Portugal?

You are more likely to see cheaper flights to Portugal from Baltimore when booking weeks ahead of your departure date. In general, you can expect to find flights to Portugal for around $930 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portugal from Baltimore for as low as $669 on momondo.

Can stopping save me money on Baltimore to Portugal flights?

You could potentially save up to 50% on your flight if you consider stops on a Baltimore to Portugal flight.

Cheap Baltimore to Portugal flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Baltimore to Portugal

Direct flights

None
There are no direct flights from Baltimore to Portugal. There are no popular flight routes from Baltimore to Portugal.
Search flight deals

  • When did momondo last update prices for flights from Baltimore/Washington Airport to Portugal?

    Prices for flights from Baltimore/Washington Airport to Portugal are refreshed on a daily basis.

  • How many operators does momondo search for flights from Baltimore/Washington Airport to Portugal?

  • How old do you have to be to fly from Baltimore/Washington Airport to Portugal?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Baltimore/Washington Airport to Portugal.

  • What documentation or ID do you need to fly to Portugal?

    The travel and health documents you'll need for your trip to Portugal may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Portugal. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Baltimore to Portugal

Compare and see reviews for airlines that fly from Baltimore to Portugal with momondo
Airline
Rating
Free Cancellation
Price
PLAYPriceFrom $345Free CancellationRating
7.0
103 reviews
Search PLAY flights
DeltaPriceFrom $434Free CancellationRating
7.9
7,979 reviews
Search Delta flights
British AirwaysPriceFrom $624Free CancellationRating
6.7
7,309 reviews
Search British Airways flights
TAP AIR PORTUGALPriceFrom $641Free CancellationRating
7.1
1,962 reviews
Search TAP AIR PORTUGAL flights
American AirlinesPriceFrom $704Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $748Free CancellationRating
7.4
8,943 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Baltimore to Portugal?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Baltimore to Portugal for you.

Can I find flights from Baltimore to Portugal with flexible booking policies on momondo?

Flights from Baltimore to Portugal with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Baltimore to Portugal?

momondo helps you find the best flight between Baltimore and Portugal by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Baltimore to Portugal right now. Can momondo alert me if prices change?

Price alerts on flights to Portugal from Baltimore are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Portugal trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sun 8/31
Sun 9/7
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Portugal

Popular cities in Portugal

Popular flights according to clicks in the last 7 days on momondo
Flights to Lisbonfrom $361
Flights to Portofrom $352
Flights to Funchalfrom $346
Flights to Farofrom $355
Flights to Ponta Delgadafrom $449
Flights to Lajesfrom $504
Flights to Hortafrom $588
Flights to Pico Islandfrom $588
Flights to Porto Santofrom $615
Flights to Velasfrom $594