What is the cheapest airline that flies from Baltimore/Washington to Portugal?

United Airlines, Delta, and British Airways are the most popular carriers operating from Baltimore/Washington to Portugal

What airlines fly to Portugal?

TAP AIR PORTUGAL, United Airlines and Lufthansa are the top three most popular airlines that fly to Portugal from Baltimore according to our data. TAP AIR PORTUGAL is the first choice among our users, with 83% of people opting to fly with this airline when traveling to Portugal. Keep in mind that there are 12 different airlines that fly to Portugal on a routine basis, so you have a few additional options to choose from.

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?

As of September 2026, there are 2 operators available to choose from 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.

$288 Cheap Flights from Baltimore to Portugal in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Baltimore to Portugal

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:40 pm - 12:50 pmBWI Baltimore/Washington-LIS Lisbon Humberto Delgado

12h 10m1 stop Reykjavik Keflavik Intl

2:00 pm - 6:40 pmLIS Lisbon Humberto Delgado-BWI Baltimore/Washington

33h 40m1 stop Reykjavik Keflavik Intl

$518Icelandair

Wed, Dec 9 - Tue, Dec 15

7:40 pm - 12:50 pmBWI Baltimore/Washington-LIS Lisbon Humberto Delgado

12h 10m1 stop Reykjavik Keflavik Intl

2:00 pm - 6:40 pmLIS Lisbon Humberto Delgado-BWI Baltimore/Washington

33h 40m1 stop Reykjavik Keflavik Intl

$518Icelandair

Wed, Dec 2 - Tue, Dec 8

7:40 pm - 12:50 pmBWI Baltimore/Washington-LIS Lisbon Humberto Delgado

12h 10m1 stop Reykjavik Keflavik Intl

2:00 pm - 6:40 pmLIS Lisbon Humberto Delgado-BWI Baltimore/Washington

33h 40m1 stop Reykjavik Keflavik Intl

$519Icelandair

Wed, Dec 16 - Thu, Jan 7

7:40 pm - 12:50 pmBWI Baltimore/Washington-LIS Lisbon Humberto Delgado

12h 10m1 stop Reykjavik Keflavik Intl

2:00 pm - 6:40 pmLIS Lisbon Humberto Delgado-BWI Baltimore/Washington

33h 40m1 stop Reykjavik Keflavik Intl

$525Icelandair

Wed, Dec 2 - Thu, Dec 17

6:55 pm - 12:05 pmBWI Baltimore/Washington-LIS Lisbon Humberto Delgado

12h 10m1 stop London Heathrow

7:05 am - 5:05 pmLIS Lisbon Humberto Delgado-BWI Baltimore/Washington

15h 00m1 stop London Heathrow

$754British Airways

Tue, Dec 8 - Wed, Dec 23

6:55 pm - 2:55 pmBWI Baltimore/Washington-LIS Lisbon Humberto Delgado

15h 00m1 stop London Heathrow

7:05 am - 5:05 pmLIS Lisbon Humberto Delgado-BWI Baltimore/Washington

15h 00m1 stop London Heathrow

$756British Airways

Wed, Dec 9 - Wed, Dec 23

6:55 pm - 5:45 pmBWI Baltimore/Washington-LIS Lisbon Humberto Delgado

17h 50m1 stop London Heathrow

7:05 am - 5:05 pmLIS Lisbon Humberto Delgado-BWI Baltimore/Washington

15h 00m1 stop London Heathrow

$757British Airways

Wed, Dec 2 - Wed, Dec 16

6:00 am - 9:45 amBWI Baltimore/Washington-PDL Ponta Delgada Nordela

23h 45m2 stops Miami Lisbon Humberto Delgado

3:15 pm - 10:56 pmPDL Ponta Delgada Nordela-BWI Baltimore/Washington

35h 41m2 stops Lisbon Humberto Delgado Miami

$1,520TAP AIR PORTUGAL

Wed, Oct 14 - Wed, Oct 21

6:00 am - 5:45 amBWI Baltimore/Washington-LIS Lisbon Humberto Delgado

18h 45m1 stop Miami

10:20 am - 10:56 pmLIS Lisbon Humberto Delgado-BWI Baltimore/Washington

17h 36m1 stop Miami

$1,540TAP AIR PORTUGAL

Wed, Sep 30 - Wed, Oct 7

11:51 am - 6:00 amBWI Baltimore/Washington-LIS Lisbon Humberto Delgado

13h 09m1 stop Miami

10:00 am - 10:58 pmLIS Lisbon Humberto Delgado-BWI Baltimore/Washington

17h 58m1 stop Miami

$1,540TAP AIR PORTUGAL

Sun, Nov 15 - Thu, Nov 19

Cheap last minute flights

Enter your travel dates to find the best prices.

10:25 am - 8:40 amBWI Baltimore/Washington-PDL Ponta Delgada Nordela

18h 15m2 stops Chicago O'Hare Intl Newark

11:00 am - 9:29 pmPDL Ponta Delgada Nordela-BWI Baltimore/Washington

14h 29m2 stops Newark Chicago O'Hare Intl

$896United Airlines

Tue, Sep 8 - Wed, Sep 16

10:25 am - 8:40 amBWI Baltimore/Washington-PDL Ponta Delgada Nordela

18h 15m2 stops Chicago O'Hare Intl Newark

11:00 am - 9:29 pmPDL Ponta Delgada Nordela-BWI Baltimore/Washington

14h 29m2 stops Newark Chicago O'Hare Intl

$946United Airlines

Tue, Sep 8 - Wed, Sep 16

6:19 pm - 3:25 pmBWI Baltimore/Washington-OPO Porto

16h 06m2 stops Boston Logan Intl Paris Charles de Gaulle

5:00 am - 5:27 pmOPO Porto-BWI Baltimore/Washington

17h 27m2 stops Amsterdam Schiphol Boston Logan Intl

$1,086Delta

Wed, Sep 9 - Thu, Oct 1

6:19 pm - 3:25 pmBWI Baltimore/Washington-OPO Porto

16h 06m2 stops Boston Logan Intl Paris Charles de Gaulle

5:00 am - 4:55 pmOPO Porto-BWI Baltimore/Washington

16h 55m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$1,086Delta

Wed, Sep 9 - Wed, Sep 16

2:08 pm - 8:10 amBWI Baltimore/Washington-LIS Lisbon Humberto Delgado

13h 02m1 stop Chicago O'Hare Intl

10:20 am - 10:22 pmLIS Lisbon Humberto Delgado-BWI Baltimore/Washington

17h 02m1 stop Miami

$1,621TAP AIR PORTUGAL

Thu, Sep 10 - Fri, Sep 18

2:08 pm - 8:10 amBWI Baltimore/Washington-LIS Lisbon Humberto Delgado

13h 02m1 stop Chicago O'Hare Intl

10:20 am - 10:22 pmLIS Lisbon Humberto Delgado-BWI Baltimore/Washington

17h 02m1 stop Miami

$1,627TAP AIR PORTUGAL

Thu, Sep 10 - Fri, Sep 18

2:08 pm - 8:10 amBWI Baltimore/Washington-LIS Lisbon Humberto Delgado

13h 02m1 stop Chicago O'Hare Intl

10:20 am - 9:28 pmLIS Lisbon Humberto Delgado-BWI Baltimore/Washington

16h 08m1 stop Miami

$1,627TAP AIR PORTUGAL

Thu, Sep 10 - Wed, Sep 16

7:25 pm - 7:05 pmBWI Baltimore/Washington-OPO Porto

18h 40m1 stop London Heathrow

9:55 am - 7:40 pmOPO Porto-BWI Baltimore/Washington

14h 45m1 stop London Gatwick

$1,819British Airways

Wed, Sep 9 - Thu, Oct 1

9:30 pm - 11:10 pmBWI Baltimore/Washington-LIS Lisbon Humberto Delgado

20h 40m1 stop London Heathrow

7:20 am - 7:45 pmLIS Lisbon Humberto Delgado-BWI Baltimore/Washington

17h 25m1 stop London Heathrow

$1,861British Airways

Fri, Sep 11 - Sun, Sep 20

9:30 pm - 5:55 pmBWI Baltimore/Washington-LIS Lisbon Humberto Delgado

15h 25m1 stop London Heathrow

7:10 am - 5:15 pmLIS Lisbon Humberto Delgado-BWI Baltimore/Washington

15h 05m1 stop London Heathrow

$1,862British Airways

Mon, Sep 7 - Tue, Sep 29

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Aer Lingus flights from Baltimore to Portugal

Our best Aer Lingus deals on Baltimore to Portugal flight tickets

Aer Lingus

Sep 8

BWI11:41 amBaltimore/Washington

28h 54m

2 stops

LIS9:35 pmLisbon Humberto Delgado

Sep 15

LIS10:15 pmLisbon Humberto Delgado

28h 15m

2 stops

BWI9:30 pmBaltimore/Washington

$1,326

Aer Lingus

Sep 8

BWI6:25 pmBaltimore/Washington

22h 10m

2 stops

LIS9:35 pmLisbon Humberto Delgado

Sep 15

LIS10:15 pmLisbon Humberto Delgado

28h 15m

2 stops

BWI9:30 pmBaltimore/Washington

$1,340

Aer Lingus

Sep 8

BWI6:25 pmBaltimore/Washington

22h 10m

2 stops

LIS9:35 pmLisbon Humberto Delgado

Sep 15

LIS10:15 pmLisbon Humberto Delgado

28h 15m

2 stops

BWI9:30 pmBaltimore/Washington

$1,348

Icelandair flights from Baltimore to Portugal

Our best Icelandair deals on Baltimore to Portugal flight tickets

Icelandair

Dec 2

BWI7:40 pmBaltimore/Washington

12h 10m

1 stop

LIS12:50 pmLisbon Humberto Delgado

Dec 8

LIS2:00 pmLisbon Humberto Delgado

33h 40m

1 stop

BWI6:40 pmBaltimore/Washington

$518

Icelandair

Dec 2

BWI7:40 pmBaltimore/Washington

12h 10m

1 stop

LIS12:50 pmLisbon Humberto Delgado

Dec 15

LIS2:00 pmLisbon Humberto Delgado

33h 40m

1 stop

BWI6:40 pmBaltimore/Washington

$525

Icelandair

Nov 30

BWI7:40 pmBaltimore/Washington

12h 10m

1 stop

LIS12:50 pmLisbon Humberto Delgado

Dec 15

LIS2:00 pmLisbon Humberto Delgado

33h 40m

1 stop

BWI6:40 pmBaltimore/Washington

$548

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaltimoreLisbon

BWI Baltimore/Washington - LIS Lisbon Humberto Delgado

BWILIS

Baltimore/Washington

Wed 12/9

7:40 pm-12:50 pm

1 stop12h 10m

Lisbon Humberto Delgado

Tue 12/15

2:00 pm-6:40 pm

1 stop33h 40m

$518

BaltimoreLisbon

BWI Baltimore/Washington - LIS Lisbon Humberto Delgado

BWILIS

Baltimore/Washington

Wed 12/2

7:40 pm-12:50 pm

1 stop12h 10m

Lisbon Humberto Delgado

Tue 12/8

2:00 pm-6:40 pm

1 stop33h 40m

$518

BaltimoreLisbon

BWI Baltimore/Washington - LIS Lisbon Humberto Delgado

BWILIS

Baltimore/Washington

Wed 12/16

7:40 pm-12:50 pm

1 stop12h 10m

Lisbon Humberto Delgado

Thu 1/7

2:00 pm-6:40 pm

1 stop33h 40m

$519

BaltimoreLisbon

BWI Baltimore/Washington - LIS Lisbon Humberto Delgado

BWILIS

Baltimore/Washington

Wed 12/2

7:40 pm-12:50 pm

1 stop12h 10m

Lisbon Humberto Delgado

Thu 12/17

2:00 pm-6:40 pm

1 stop33h 40m

$525

Quickest round-trip

BaltimoreLisbon

BWI Baltimore/Washington - LIS Lisbon Humberto Delgado

BWILIS

Baltimore/Washington

Tue 12/8

6:55 pm-12:05 pm

1 stop12h 10m

Lisbon Humberto Delgado

Wed 12/23

7:05 am-5:05 pm

1 stop15h 00m

$754

BaltimoreLisbon

BWI Baltimore/Washington - LIS Lisbon Humberto Delgado

BWILIS

Baltimore/Washington

Wed 12/9

6:55 pm-2:55 pm

1 stop15h 00m

Lisbon Humberto Delgado

Wed 12/23

7:05 am-5:05 pm

1 stop15h 00m

$756

BaltimoreLisbon

BWI Baltimore/Washington - LIS Lisbon Humberto Delgado

BWILIS

Baltimore/Washington

Wed 12/2

6:55 pm-5:45 pm

1 stop17h 50m

Lisbon Humberto Delgado

Wed 12/16

7:05 am-5:05 pm

1 stop15h 00m

$757

BaltimorePonta Delgada

BWI Baltimore/Washington - PDL Ponta Delgada Nordela

BWIPDL

Baltimore/Washington

Wed 10/14

6:00 am-9:45 am

2 stops23h 45m

Ponta Delgada Nordela

Wed 10/21

3:15 pm-10:56 pm

2 stops35h 41m

$1,520

BaltimoreLisbon

BWI Baltimore/Washington - LIS Lisbon Humberto Delgado

BWILIS

Baltimore/Washington

Wed 9/30

6:00 am-5:45 am

1 stop18h 45m

Lisbon Humberto Delgado

Wed 10/7

10:20 am-10:56 pm

1 stop17h 36m

$1,540

BaltimoreLisbon

BWI Baltimore/Washington - LIS Lisbon Humberto Delgado

BWILIS

Baltimore/Washington

Sun 11/15

11:51 am-6:00 am

1 stop13h 09m

Lisbon Humberto Delgado

Thu 11/19

10:00 am-10:58 pm

1 stop17h 58m

$1,540

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

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 $0, 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 March instead. Flights to Portugal in March, while not as cheap as those in February, still average around $808.

Can stopping save me money on Baltimore to Portugal flights?

You could potentially save up to 11% 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

Best Price Found	$288
Fastest flight time	10h 25m
Direct flights	None

The best one-way flight to Portugal from Baltimore in the past 72 hours is $288. The best round-trip flight deal from Baltimore to Portugal found on momondo in the last 72 hours is $518.

The fastest flight from Baltimore to Portugal takes 10h 25m

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?
As of September 2026, there are 2 operators available to choose from 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
TAP AIR PORTUGAL	PriceFrom $640	Free Cancellation	Rating 7.2 2,383 reviews		Search TAP AIR PORTUGAL flights
British Airways	PriceFrom $719	Free Cancellation	Rating 6.7 8,205 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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Popular cities

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Complete your trip

Feeling lucky

Popular cities in Portugal

Flights to Lisbonfrom $509

Flights to Portofrom $539

Flights to Funchalfrom $554

Flights to Farofrom $574

Flights to Ponta Delgadafrom $566

Flights to Lajesfrom $578

Flights to Hortafrom $591

Flights to Pico Islandfrom $561

Flights to Porto Santofrom $881

Flights to Velasfrom $692

Cheap flights from Baltimore to Portugal from $288

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 10/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Baltimore to Portugal

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Aer Lingus flights from Baltimore to Portugal

Our best Aer Lingus deals on Baltimore to Portugal flight tickets

Icelandair flights from Baltimore to Portugal

Our best Icelandair deals on Baltimore to Portugal flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Baltimore to Portugal that are best for you.

See travel insights to Portugal from

How to get the cheapest flight ticket from Baltimore to Portugal

What is the cheapest month to fly to Portugal?

Can stopping save me money on Baltimore to Portugal flights?

What is the cheapest airline that flies from Baltimore/Washington to Portugal?

What airlines fly to Portugal?

Cheap Baltimore to Portugal flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Baltimore to Portugal

Best airlines flying from Baltimore to Portugal

Compare and see reviews for airlines that fly from Baltimore to Portugal with momondo

Why use momondo?

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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Portugal

Popular cities in Portugal

Popular flights according to clicks in the last 7 days on momondo

Portugal flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Portugal

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Portugal

List of cabin classes available on flights landing in Portugal. Availability may vary depending on flight origin and airline.

Complete your trip to Portugal

Explore popular destinations other users love

According to popular flight searches on momondo this year