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Cheap flights from Baltimore to Portugal from $363

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 7/28. 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.
Icelandair Logo
8:40 pm - 12:50 pm
BWI
-
LIS
12h 10m
1 stop
Icelandair Logo
2:00 pm - 6:40 pm
LIS
-
BWI
33h 40m
1 stop
$624Icelandair
Sat, Oct 31 - Sun, Nov 15
Icelandair Logo
8:40 pm - 12:50 pm
BWI
-
LIS
12h 10m
1 stop
Icelandair Logo
2:00 pm - 6:40 pm
LIS
-
BWI
33h 40m
1 stop
$647Icelandair
Sat, Oct 31 - Thu, Nov 12
American Airlines Logo
9:35 pm - 9:45 pm
BWI
-
LIS
20h 10m
1 stop
American Airlines Logo
6:30 am - 7:30 pm
LIS
-
BWI
18h 00m
2 stops
$713American Airlines
Sun, Oct 25 - Wed, Nov 4
American Airlines Logo
3:54 pm - 12:05 pm
BWI
-
LIS
16h 11m
2 stops
American Airlines Logo
6:30 am - 7:30 pm
LIS
-
BWI
18h 00m
2 stops
$717American Airlines
Sun, Oct 25 - Wed, Nov 4
British Airways Logo
9:35 pm - 5:45 pm
BWI
-
LIS
16h 10m
1 stop
British Airways Logo
10:40 am - 6:45 pm
LIS
-
BWI
13h 05m
1 stop
$721British Airways
Sun, Oct 25 - Wed, Nov 4
Multiple Airlines Logo
8:35 pm - 2:50 pm
BWI
-
LIS
13h 15m
1 stop
Multiple Airlines Logo
9:05 pm - 6:45 pm
LIS
-
BWI
26h 40m
2 stops
$725Multiple Airlines
Wed, Nov 4 - Mon, Nov 9
British Airways Logo
8:35 pm - 2:50 pm
BWI
-
LIS
13h 15m
1 stop
British Airways Logo
6:35 pm - 6:45 pm
LIS
-
BWI
29h 10m
1 stop
$726British Airways
Sun, Nov 1 - Mon, Nov 9
Multiple Airlines Logo
10:50 am - 7:40 am
BWI
-
OPO
15h 50m
2 stops
Multiple Airlines Logo
8:40 pm - 7:26 pm
OPO
-
BWI
26h 46m
2 stops
$798Multiple Airlines
Mon, Oct 19 - Tue, Oct 27
Delta Logo
6:32 pm - 3:30 pm
BWI
-
OPO
15h 58m
2 stops
Delta Logo
5:00 am - 5:15 pm
OPO
-
BWI
17h 15m
2 stops
$808Delta
Sun, Aug 16 - Tue, Aug 25
Delta Logo
1:00 pm - 10:30 am
BWI
-
OPO
16h 30m
2 stops
Delta Logo
5:55 am - 12:11 am
OPO
-
BWI
23h 16m
2 stops
$815Delta
Wed, Sep 30 - Wed, Oct 7

American Airlines flights from Baltimore to Portugal

Our best American Airlines deals on Baltimore to Portugal flight tickets
American Airlines
Oct 25
BWI9:35 pmBaltimore/Washington
20h 10m
1 stop
LIS9:45 pmLisbon Humberto Delgado
Nov 4
LIS6:30 amLisbon Humberto Delgado
18h 00m
2 stops
BWI7:30 pmBaltimore/Washington
$713
American Airlines
Oct 25
BWI3:54 pmBaltimore/Washington
16h 11m
2 stops
LIS12:05 pmLisbon Humberto Delgado
Nov 4
LIS6:30 amLisbon Humberto Delgado
18h 00m
2 stops
BWI7:30 pmBaltimore/Washington
$717
American Airlines
Oct 19
BWI10:50 amBaltimore/Washington
15h 50m
2 stops
OPO7:40 amPorto
Oct 27
OPO8:20 amPorto
17h 20m
2 stops
BWI9:40 pmBaltimore/Washington
$871

British Airways flights from Baltimore to Portugal

Our best British Airways deals on Baltimore to Portugal flight tickets
British Airways
Oct 25
BWI9:35 pmBaltimore/Washington
16h 10m
1 stop
LIS5:45 pmLisbon Humberto Delgado
Nov 4
LIS10:40 amLisbon Humberto Delgado
13h 05m
1 stop
BWI6:45 pmBaltimore/Washington
$721
British Airways
Nov 1
BWI8:35 pmBaltimore/Washington
13h 15m
1 stop
LIS2:50 pmLisbon Humberto Delgado
Nov 9
LIS6:35 pmLisbon Humberto Delgado
29h 10m
1 stop
BWI6:45 pmBaltimore/Washington
$726
British Airways
Nov 1
BWI8:35 pmBaltimore/Washington
16h 10m
1 stop
LIS5:45 pmLisbon Humberto Delgado
Nov 17
LIS10:35 amLisbon Humberto Delgado
13h 10m
1 stop
BWI6:45 pmBaltimore/Washington
$731

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 May 13, 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

BaltimoreLisbon

BWI - LIS

BWILIS

Baltimore/Washington

Sat 10/31

8:40 pm-12:50 pm

1 stop12h 10m

Lisbon Humberto Delgado

Sun 11/15

2:00 pm-6:40 pm

1 stop33h 40m

$624

BaltimoreLisbon

BWI - LIS

BWILIS

Baltimore/Washington

Sat 10/31

8:40 pm-12:50 pm

1 stop12h 10m

Lisbon Humberto Delgado

Thu 11/12

2:00 pm-6:40 pm

1 stop33h 40m

$647

BaltimoreLisbon

BWI - LIS

BWILIS

Baltimore/Washington

Sun 10/25

9:35 pm-9:45 pm

1 stop20h 10m

Lisbon Humberto Delgado

Wed 11/4

6:30 am-7:30 pm

2 stops18h 00m

$713

BaltimoreLisbon

BWI - LIS

BWILIS

Baltimore/Washington

Sun 10/25

3:54 pm-12:05 pm

2 stops16h 11m

Lisbon Humberto Delgado

Wed 11/4

6:30 am-7:30 pm

2 stops18h 00m

$717
Quickest round-trip

BaltimoreLisbon

BWI - LIS

BWILIS

Baltimore/Washington

Sun 10/25

9:35 pm-5:45 pm

1 stop16h 10m

Lisbon Humberto Delgado

Wed 11/4

10:40 am-6:45 pm

1 stop13h 05m

$721

BaltimoreLisbon

BWI - LIS

BWILIS

Baltimore/Washington

Wed 11/4

8:35 pm-2:50 pm

1 stop13h 15m

Lisbon Humberto Delgado

Mon 11/9

9:05 pm-6:45 pm

2 stops26h 40m

$725

BaltimoreLisbon

BWI - LIS

BWILIS

Baltimore/Washington

Sun 11/1

8:35 pm-2:50 pm

1 stop13h 15m

Lisbon Humberto Delgado

Mon 11/9

6:35 pm-6:45 pm

1 stop29h 10m

$726

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Mon 10/19

10:50 am-7:40 am

2 stops15h 50m

Porto

Tue 10/27

8:40 pm-7:26 pm

2 stops26h 46m

$798

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Sun 8/16

6:32 pm-3:30 pm

2 stops15h 58m

Porto

Tue 8/25

5:00 am-5:15 pm

2 stops17h 15m

$808

BaltimorePorto

BWI - OPO

BWIOPO

Baltimore/Washington

Wed 9/30

1:00 pm-10:30 am

2 stops16h 30m

Porto

Wed 10/7

5:55 am-12:11 am

2 stops23h 16m

$815

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 October. Flight prices, which tend to average around $396, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of October, then book flights to Portugal from Baltimore during September instead. Flights to Portugal in September, while not as cheap as those in October, still average around $414.

Can stopping save me money on Baltimore to Portugal flights?

You could potentially save up to 16% 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 23m

Direct flights

None
The fastest flight from Baltimore to Portugal takes 11h 23m
There are no direct flights from Baltimore to Portugal. There are no popular flight routes from Baltimore to Portugal.
Search flight deals

Frequently asked questions about flying from Baltimore to Portugal

  • 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
DeltaPriceFrom $529Free CancellationRating
7.9
8,453 reviews
Search Delta flights
TAP AIR PORTUGALPriceFrom $640Free CancellationRating
7.2
2,250 reviews
Search TAP AIR PORTUGAL flights
British AirwaysPriceFrom $781Free CancellationRating
6.7
7,979 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.

An easier way to manage your Portugal trip

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