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Cheap flights from Baltimore to Portugal from $227

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 1/11. 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

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Find the cheapest flights from Baltimore to Portugal

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:40 pm - 4:55 pmBWI-LIS
16h 15m2 stops
Multiple Airlines Logo
9:05 pm - 6:40 pmLIS-BWI
26h 35m2 stops
$450Multiple Airlines
Find Deal
Sun, Jan 11 - Sat, Jan 17
United Airlines Logo
6:15 am - 9:30 amBWI-OPO
22h 15m2 stops
United Airlines Logo
6:00 am - 9:08 pmOPO-BWI
20h 08m2 stops
$484United Airlines
Find Deal
Mon, Nov 24 - Fri, Dec 5
Delta Logo
2:35 pm - 10:30 amBWI-OPO
14h 55m2 stops
Delta Logo
6:05 am - 7:03 pmOPO-BWI
17h 58m2 stops
$492Delta
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Tue, Nov 11 - Tue, Nov 18
Scandinavian Airlines Logo
4:45 pm - 3:50 pmBWI-LIS
18h 05m2 stops
Scandinavian Airlines Logo
6:55 am - 9:56 pmLIS-BWI
20h 01m2 stops
$504Scandinavian Airlines
Find Deal
Thu, Feb 5 - Fri, Feb 20
Scandinavian Airlines Logo
2:10 pm - 4:05 pmBWI-LIS
20h 55m2 stops
Scandinavian Airlines Logo
6:55 am - 9:56 pmLIS-BWI
20h 01m2 stops
$505Scandinavian Airlines
Find Deal
Thu, Feb 19 - Fri, Feb 27
Delta Logo
1:52 pm - 10:30 amBWI-OPO
15h 38m2 stops
Delta Logo
5:00 am - 7:02 pmOPO-BWI
19h 02m2 stops
$517Delta
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Tue, Dec 2 - Sun, Dec 14
British Airways Logo
8:35 pm - 4:40 pmBWI-OPO
15h 05m1 stop
British Airways Logo
5:30 pm - 6:45 pmOPO-BWI
30h 15m1 stop
$555British Airways
Find Deal
Sun, Nov 23 - Tue, Dec 9
British Airways Logo
8:35 pm - 5:45 pmBWI-OPO
16h 10m1 stop
British Airways Logo
6:25 pm - 6:45 pmOPO-BWI
29h 20m1 stop
$629British Airways
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Tue, Nov 11 - Tue, Nov 18
American Airlines Logo
11:09 am - 7:40 amBWI-OPO
15h 31m2 stops
American Airlines Logo
8:20 am - 10:08 pmOPO-BWI
18h 48m2 stops
$769American Airlines
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Wed, Dec 3 - Wed, Dec 10
American Airlines Logo
8:35 pm - 5:20 pmBWI-FAO
15h 45m1 stop
American Airlines Logo
7:05 pm - 6:45 pmFAO-BWI
28h 40m1 stop
$1,604American Airlines
Find Deal
Sun, Nov 16 - Mon, Nov 24

Scandinavian Airlines flights from Baltimore to Portugal

Our best Scandinavian Airlines deals on Baltimore to Portugal flight tickets
Scandinavian Airlines
Feb 5
BWI4:45 pmBaltimore/Washington
18h 05m
2 stops
LIS3:50 pmLisbon Humberto Delgado
Feb 20
LIS6:55 amLisbon Humberto Delgado
20h 01m
2 stops
BWI9:56 pmBaltimore/Washington
$504
Find similar
Scandinavian Airlines
Feb 19
BWI2:10 pmBaltimore/Washington
20h 55m
2 stops
LIS4:05 pmLisbon Humberto Delgado
Feb 27
LIS6:55 amLisbon Humberto Delgado
20h 01m
2 stops
BWI9:56 pmBaltimore/Washington
$505
Find similar
Scandinavian Airlines
Feb 3
BWI10:54 amBaltimore/Washington
23h 46m
2 stops
LIS3:40 pmLisbon Humberto Delgado
Feb 11
LIS7:00 pmLisbon Humberto Delgado
31h 56m
2 stops
BWI9:56 pmBaltimore/Washington
$526
Find similar

Icelandair flights from Baltimore to Portugal

Our best Icelandair deals on Baltimore to Portugal flight tickets
Icelandair
Jan 17
BWI7:40 pmBaltimore/Washington
19h 40m
1 stop
LIS8:20 pmLisbon Humberto Delgado
Jan 25
LIS9:20 pmLisbon Humberto Delgado
26h 20m
1 stop
BWI6:40 pmBaltimore/Washington
$621
Find similar
Icelandair
Jan 7
BWI7:40 pmBaltimore/Washington
19h 40m
1 stop
LIS8:20 pmLisbon Humberto Delgado
Jan 15
LIS9:20 pmLisbon Humberto Delgado
26h 20m
1 stop
BWI6:40 pmBaltimore/Washington
$625
Find similar
Icelandair
Nov 26
BWI7:40 pmBaltimore/Washington
19h 40m
1 stop
LIS8:20 pmLisbon Humberto Delgado
Dec 7
LIS9:20 pmLisbon Humberto Delgado
26h 20m
1 stop
BWI6:40 pmBaltimore/Washington
$646
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 October 30, 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 1/11

7:40 pm-4:55 pm

2 stops16h 15m

Lisbon Humberto Delgado

Sat 1/17

9:05 pm-6:40 pm

2 stops26h 35m

$450

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Mon 11/24

6:15 am-9:30 am

2 stops22h 15m

Porto

Fri 12/5

6:00 am-9:08 pm

2 stops20h 08m

$484

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Tue 11/11

2:35 pm-10:30 am

2 stops14h 55m

Porto

Tue 11/18

6:05 am-7:03 pm

2 stops17h 58m

$492

BaltimoreLisbon

BWI - LIS

BWILIS

Baltimore/Washington

Thu 2/5

4:45 pm-3:50 pm

2 stops18h 05m

Lisbon Humberto Delgado

Fri 2/20

6:55 am-9:56 pm

2 stops20h 01m

$504

BaltimoreLisbon

BWI - LIS

BWILIS

Baltimore/Washington

Thu 2/19

2:10 pm-4:05 pm

2 stops20h 55m

Lisbon Humberto Delgado

Fri 2/27

6:55 am-9:56 pm

2 stops20h 01m

$505

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Tue 12/2

1:52 pm-10:30 am

2 stops15h 38m

Porto

Sun 12/14

5:00 am-7:02 pm

2 stops19h 02m

$517

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Sun 11/23

8:35 pm-4:40 pm

1 stop15h 05m

Porto

Tue 12/9

5:30 pm-6:45 pm

1 stop30h 15m

$555

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Tue 11/11

8:35 pm-5:45 pm

1 stop16h 10m

Porto

Tue 11/18

6:25 pm-6:45 pm

1 stop29h 20m

$629

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Wed 12/3

11:09 am-7:40 am

2 stops15h 31m

Porto

Wed 12/10

8:20 am-10:08 pm

2 stops18h 48m

$769

BaltimoreFaro

BWI - FAO

BWIFAO

Baltimore/Washington

Sun 11/16

8:35 pm-5:20 pm

1 stop15h 45m

Faro

Mon 11/24

7:05 pm-6:45 pm

1 stop28h 40m

$1,604

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 $641, 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 $927 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 $607 on momondo.

Can stopping save me money on Baltimore to Portugal flights?

You could potentially save up to 2% 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 $529Free CancellationRating
7.9
7,999 reviews
Search Delta flights
TAP AIR PORTUGALPriceFrom $670Free CancellationRating
7.1
2,040 reviews
Search TAP AIR PORTUGAL flights
United AirlinesPriceFrom $748Free CancellationRating
7.4
8,996 reviews
Search United Airlines flights
American AirlinesPriceFrom $751Free CancellationRating
7.2
11,034 reviews
Search American Airlines flights
British AirwaysPriceFrom $771Free CancellationRating
6.7
7,488 reviews
Search British Airways 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.

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