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Cheap flights from Baltimore to Portugal from $258

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 1/18. 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.
Delta Logo
3:35 pm - 3:25 pm
BWI
-
OPO
18h 50m2 stops
Delta Logo
5:00 am - 6:01 pm
OPO
-
BWI
18h 01m2 stops
$557Delta
Tue, Apr 7 - Wed, Apr 15
Delta Logo
11:45 am - 10:30 am
BWI
-
OPO
17h 45m2 stops
Delta Logo
5:00 am - 4:38 pm
OPO
-
BWI
16h 38m2 stops
$588Delta
Tue, Feb 3 - Wed, Feb 25
United Airlines Logo
10:05 am - 11:40 am
BWI
-
OPO
20h 35m3 stops
United Airlines Logo
6:00 am - 9:17 pm
OPO
-
BWI
20h 17m2 stops
$602United Airlines
Tue, Feb 3 - Wed, Feb 25
Scandinavian Airlines Logo
10:49 am - 3:40 pm
BWI
-
LIS
23h 51m2 stops
Scandinavian Airlines Logo
7:00 pm - 12:53 am
LIS
-
BWI
33h 53m2 stops
$610Scandinavian Airlines
Tue, Mar 3 - Wed, Mar 11
Multiple Airlines Logo
10:49 am - 3:40 pm
BWI
-
LIS
23h 51m2 stops
Multiple Airlines Logo
7:00 pm - 10:02 pm
LIS
-
BWI
32h 02m2 stops
$616Multiple Airlines
Tue, Feb 17 - Wed, Feb 25
United Airlines Logo
10:05 am - 2:55 pm
BWI
-
OPO
23h 50m2 stops
United Airlines Logo
12:30 pm - 9:21 pm
OPO
-
BWI
37h 51m2 stops
$622United Airlines
Mon, Jan 26 - Mon, Feb 2
Multiple Airlines Logo
1:02 pm - 3:50 pm
BWI
-
LIS
21h 48m2 stops
Multiple Airlines Logo
7:00 pm - 10:02 pm
LIS
-
BWI
32h 02m2 stops
$632Multiple Airlines
Thu, Feb 5 - Wed, Feb 11
Scandinavian Airlines Logo
10:54 am - 4:05 pm
BWI
-
LIS
24h 11m2 stops
Scandinavian Airlines Logo
7:00 pm - 10:02 pm
LIS
-
BWI
32h 02m2 stops
$640Scandinavian Airlines
Sun, Jan 25 - Sun, Feb 1
British Airways Logo
8:35 pm - 5:45 pm
BWI
-
OPO
16h 10m1 stop
British Airways Logo
6:35 pm - 6:45 pm
OPO
-
BWI
29h 10m1 stop
$645British Airways
Tue, Feb 3 - Wed, Feb 25
British Airways Logo
9:30 pm - 8:35 pm
BWI
-
OPO
18h 05m1 stop
British Airways Logo
10:40 am - 7:40 pm
OPO
-
BWI
14h 00m1 stop
$661British Airways
Sat, Apr 11 - Sat, Apr 18

Scandinavian Airlines flights from Baltimore to Portugal

Our best Scandinavian Airlines deals on Baltimore to Portugal flight tickets
Scandinavian Airlines
Mar 3
BWI10:49 amBaltimore/Washington
23h 51m
2 stops
LIS3:40 pmLisbon Humberto Delgado
Mar 11
LIS7:00 pmLisbon Humberto Delgado
33h 53m
2 stops
BWI12:53 amBaltimore/Washington
$610
Find similar
Scandinavian Airlines
Jan 25
BWI10:54 amBaltimore/Washington
24h 11m
2 stops
LIS4:05 pmLisbon Humberto Delgado
Feb 1
LIS7:00 pmLisbon Humberto Delgado
32h 02m
2 stops
BWI10:02 pmBaltimore/Washington
$640
Find similar
Scandinavian Airlines
Feb 27
BWI4:45 pmBaltimore/Washington
35h 10m
2 stops
LIS8:55 amLisbon Humberto Delgado
Mar 4
LIS4:55 pmLisbon Humberto Delgado
36h 40m
2 stops
BWI12:35 amBaltimore/Washington
$644
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
$697
Find similar
Icelandair
Jan 21
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
$700
Find similar
Icelandair
Mar 18
BWI8:40 pmBaltimore/Washington
19h 40m
1 stop
LIS8:20 pmLisbon Humberto Delgado
Mar 22
LIS9:20 pmLisbon Humberto Delgado
26h 20m
1 stop
BWI7:40 pmBaltimore/Washington
$714
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 December 28, 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

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Tue 4/7

3:35 pm-3:25 pm

2 stops18h 50m

Porto

Wed 4/15

5:00 am-6:01 pm

2 stops18h 01m

$557

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Tue 2/3

11:45 am-10:30 am

2 stops17h 45m

Porto

Wed 2/25

5:00 am-4:38 pm

2 stops16h 38m

$588

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Tue 2/3

10:05 am-11:40 am

3 stops20h 35m

Porto

Wed 2/25

6:00 am-9:17 pm

2 stops20h 17m

$602

BaltimoreLisbon

BWI - LIS

BWILIS

Baltimore/Washington

Tue 3/3

10:49 am-3:40 pm

2 stops23h 51m

Lisbon Humberto Delgado

Wed 3/11

7:00 pm-12:53 am

2 stops33h 53m

$610

BaltimoreLisbon

BWI - LIS

BWILIS

Baltimore/Washington

Tue 2/17

10:49 am-3:40 pm

2 stops23h 51m

Lisbon Humberto Delgado

Wed 2/25

7:00 pm-10:02 pm

2 stops32h 02m

$616

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Mon 1/26

10:05 am-2:55 pm

2 stops23h 50m

Porto

Mon 2/2

12:30 pm-9:21 pm

2 stops37h 51m

$622

BaltimoreLisbon

BWI - LIS

BWILIS

Baltimore/Washington

Thu 2/5

1:02 pm-3:50 pm

2 stops21h 48m

Lisbon Humberto Delgado

Wed 2/11

7:00 pm-10:02 pm

2 stops32h 02m

$632

BaltimoreLisbon

BWI - LIS

BWILIS

Baltimore/Washington

Sun 1/25

10:54 am-4:05 pm

2 stops24h 11m

Lisbon Humberto Delgado

Sun 2/1

7:00 pm-10:02 pm

2 stops32h 02m

$640

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Tue 2/3

8:35 pm-5:45 pm

1 stop16h 10m

Porto

Wed 2/25

6:35 pm-6:45 pm

1 stop29h 10m

$645

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Sat 4/11

9:30 pm-8:35 pm

1 stop18h 05m

Porto

Sat 4/18

10:40 am-7:40 pm

1 stop14h 00m

$661

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 $604, 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 October instead. Flights to Portugal in October, while not as cheap as those in February, still average around $810.

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 $1,032 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 $537 on momondo.

Can stopping save me money on Baltimore to Portugal flights?

You could potentially save up to 8% 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

Fastest flight time

11h 59m

Direct flights

None
The fastest flight from Baltimore to Portugal takes 11h 59m
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
8,022 reviews
Search Delta flights
TAP AIR PORTUGALPriceFrom $683Free CancellationRating
7.2
2,100 reviews
Search TAP AIR PORTUGAL flights
American AirlinesPriceFrom $701Free CancellationRating
7.2
11,073 reviews
Search American Airlines flights
United AirlinesPriceFrom $748Free CancellationRating
7.4
9,117 reviews
Search United Airlines flights
British AirwaysPriceFrom $771Free CancellationRating
6.7
7,617 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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