How does KAYAK find such low prices on flights from Maryland to Porto?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Maryland to Porto.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Maryland to Porto?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Porto from Maryland is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Maryland to Porto?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Porto with an airline and back to Maryland with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Maryland to Porto?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Porto from Maryland up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$322 CHEAP FLIGHTS from Maryland to Porto

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Flight Deals

Cheap Flights from Maryland to Porto

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Maryland to Porto

Mon, Mar 22 - Tue, Mar 30

2:10 pm - 10:35 amBWI Baltimore/Washington-OPO Porto

16h 25m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle

11:45 am - 12:26 amOPO Porto-BWI Baltimore/Washington

17h 41m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$729Multiple Airlines

Wed, Apr 7 - Wed, Apr 14

5:30 pm - 3:25 pmBWI Baltimore/Washington-OPO Porto

16h 55m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle

5:00 am - 3:50 pmOPO Porto-BWI Baltimore/Washington

15h 50m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$738Delta

Mon, Feb 1 - Thu, Feb 4

3:40 pm - 10:35 amBWI Baltimore/Washington-OPO Porto

13h 55m2 stops Boston Logan Intl Paris Charles de Gaulle

5:00 am - 4:39 pmOPO Porto-BWI Baltimore/Washington

16h 39m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$738Delta

Tue, Feb 9 - Tue, Feb 16

1:08 pm - 10:35 amBWI Baltimore/Washington-OPO Porto

16h 27m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle

5:00 am - 7:20 pmOPO Porto-BWI Baltimore/Washington

19h 20m2 stops Amsterdam Schiphol Boston Logan Intl

$738Delta

Wed, Apr 14 - Wed, Apr 28

2:10 pm - 10:30 amBWI Baltimore/Washington-OPO Porto

15h 20m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl

5:00 am - 6:07 pmOPO Porto-BWI Baltimore/Washington

18h 07m2 stops Amsterdam Schiphol Minneapolis St Paul

$739Delta

Tue, Apr 13 - Tue, Apr 27

12:27 pm - 10:30 amBWI Baltimore/Washington-OPO Porto

17h 03m2 stops Detroit Metropolitan Wayne County New York John F Kennedy Intl

5:00 am - 3:50 pmOPO Porto-BWI Baltimore/Washington

15h 50m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$739Delta

Tue, Dec 8 - Wed, Dec 16

2:00 pm - 10:35 amBWI Baltimore/Washington-OPO Porto

15h 35m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle

5:00 am - 6:13 pmOPO Porto-BWI Baltimore/Washington

18h 13m2 stops Amsterdam Schiphol Boston Logan Intl

$744Delta

Tue, Apr 13 - Thu, Apr 29

6:40 pm - 7:30 pmBWI Baltimore/Washington-OPO Porto

19h 50m1 stop London Heathrow

7:55 pm - 4:45 pmOPO Porto-BWI Baltimore/Washington

25h 50m1 stop London Gatwick

$787British Airways

Sun, Apr 11 - Mon, Apr 26

6:40 pm - 8:35 pmBWI Baltimore/Washington-OPO Porto

20h 55m1 stop London Heathrow

9:25 pm - 4:45 pmOPO Porto-BWI Baltimore/Washington

24h 20m1 stop London Gatwick

$787British Airways

Wed, Apr 7 - Tue, Apr 13

6:40 pm - 7:05 pmBWI Baltimore/Washington-OPO Porto

19h 25m1 stop London Heathrow

8:55 pm - 4:45 pmOPO Porto-BWI Baltimore/Washington

24h 50m1 stop London Gatwick

$787British Airways

Recent last minute flight deals from Maryland to Porto

Thu, Nov 5 - Tue, Nov 10

6:10 am - 9:30 amBWI Baltimore/Washington-OPO Porto

22h 20m2 stops Chicago O'Hare Intl Newark

6:00 am - 7:09 pmOPO Porto-BWI Baltimore/Washington

18h 09m2 stops Frankfurt am Main Chicago O'Hare Intl

$843United Airlines

Thu, Nov 5 - Tue, Nov 10

1:55 pm - 10:35 amBWI Baltimore/Washington-OPO Porto

15h 40m2 stops Boston Logan Intl Paris Charles de Gaulle

5:00 am - 4:49 pmOPO Porto-BWI Baltimore/Washington

16h 49m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$844Delta

Wed, Nov 4 - Sun, Nov 8

2:11 pm - 10:35 amBWI Baltimore/Washington-OPO Porto

15h 24m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle

5:55 am - 4:51 pmOPO Porto-BWI Baltimore/Washington

15h 56m2 stops Paris Charles de Gaulle Detroit Metropolitan Wayne County

$851Delta

Sun, Nov 1 - Sun, Nov 8

11:02 am - 8:15 amBWI Baltimore/Washington-OPO Porto

16h 13m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl

11:30 am - 11:04 pmOPO Porto-BWI Baltimore/Washington

16h 34m2 stops Paris Charles de Gaulle Detroit Metropolitan Wayne County

$853Delta

Sat, Oct 31 - Sat, Nov 7

2:11 pm - 10:35 amBWI Baltimore/Washington-OPO Porto

16h 24m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle

5:00 am - 4:51 pmOPO Porto-BWI Baltimore/Washington

16h 51m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$894Delta

Wed, Nov 4 - Sun, Nov 8

10:45 am - 5:00 pmBWI Baltimore/Washington-OPO Porto

25h 15m3 stops Atlanta Hartsfield-Jackson Miami Lisbon Humberto Delgado

8:30 am - 10:24 amOPO Porto-BWI Baltimore/Washington

30h 54m2 stops Lisbon Humberto Delgado Miami

$943Multiple Airlines

Wed, Nov 4 - Sun, Nov 8

10:45 am - 5:00 pmBWI Baltimore/Washington-OPO Porto

25h 15m3 stops Atlanta Hartsfield-Jackson Miami Lisbon Humberto Delgado

7:00 am - 1:22 pmOPO Porto-BWI Baltimore/Washington

35h 22m3 stops Lisbon Humberto Delgado Miami Charlotte Douglas

$962Multiple Airlines

Wed, Nov 4 - Sat, Nov 7

10:09 am - 9:30 amBWI Baltimore/Washington-OPO Porto

18h 21m2 stops Chicago O'Hare Intl Newark

6:00 am - 9:42 pmOPO Porto-BWI Baltimore/Washington

20h 42m2 stops Frankfurt am Main Chicago O'Hare Intl

$1,106United Airlines

Wed, Nov 4 - Sat, Nov 7

6:55 pm - 4:50 pmBWI Baltimore/Washington-OPO Porto

16h 55m1 stop London Heathrow

8:00 pm - 5:05 pmOPO Porto-BWI Baltimore/Washington

26h 05m1 stop London Gatwick

$1,150British Airways

Wed, Nov 4 - Sun, Nov 8

6:55 pm - 4:50 pmBWI Baltimore/Washington-OPO Porto

16h 55m1 stop London Heathrow

12:25 pm - 11:02 amOPO Porto-BWI Baltimore/Washington

27h 37m2 stops Madrid Barajas Miami

$1,210Multiple Airlines

Useful Info

Low season	January
High season	July
Cheapest flight	$322

Best time to beat the crowds with an average 21% drop in price.

Most popular time to fly with an average 25% increase in price.

Flight from Baltimore to Porto

How does KAYAK find such low prices on flights from Maryland to Porto?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Maryland to Porto.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Maryland to Porto?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Porto from Maryland is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Maryland to Porto?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Porto with an airline and back to Maryland with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Maryland to Porto?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Porto from Maryland up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Guimarães

Lamego

Matosinhos

Viseu

Chaves

Pinhao

Esposende

Santa Maria da Feira

Espinho

Ponte de Lima

Baiao

Arcos de Valdevez

Caminha

Mesao Frio

Mira

Amares

Penafiel

Curia

More options for your flight to Porto

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Direct Flights

Origins

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OPO

$322 Find Cheap Flights from Maryland to Porto - Compare and Save

Cheap Flights from Maryland to Porto

Recent round-trip flight deals from Maryland to Porto

Recent one-way flight deals from Maryland to Porto

Recent last minute flight deals from Maryland to Porto

Good to know

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High season

Cheapest flight

FAQs for booking flights from Maryland to Porto

Traveling to a place near Porto?

More options for your flight to Porto

Complete your trip to Porto with a hotel stay or car rental

Information on the airport you'll fly into in Porto

Cabin class types available on flights to Maryland

Find direct flights for Porto

Flights from domestic origins to Porto

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