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.

$269 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

Tue, Nov 17 - Tue, Nov 24

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

22h 20m2 stops Chicago O'Hare Intl Newark

12:35 pm - 10:29 amOPO Porto-BWI Baltimore/Washington

26h 54m2 stops Newark Chicago O'Hare Intl

$570United Airlines

Tue, Nov 17 - Tue, Nov 24

12:34 pm - 9:30 amBWI Baltimore/Washington-OPO Porto

15h 56m2 stops Chicago O'Hare Intl Newark

12:35 pm - 10:29 amOPO Porto-BWI Baltimore/Washington

26h 54m2 stops Newark Chicago O'Hare Intl

$570United Airlines

Wed, Nov 11 - Wed, Nov 18

12:00 pm - 8:15 amBWI Baltimore/Washington-OPO Porto

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

5:00 am - 5:53 pmOPO Porto-BWI Baltimore/Washington

17h 53m2 stops Amsterdam Schiphol Boston Logan Intl

$585Delta

Wed, Oct 28 - Wed, Nov 4

12:37 pm - 7:15 amBWI Baltimore/Washington-OPO Porto

14h 38m2 stops Detroit Metropolitan Wayne County New York John F Kennedy Intl

11:15 am - 12:31 amOPO Porto-BWI Baltimore/Washington

18h 16m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$585Delta

Tue, Nov 10 - Thu, Nov 19

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

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

10:15 am - 9:24 pmOPO Porto-BWI Baltimore/Washington

16h 09m2 stops New York John F Kennedy Intl Atlanta Hartsfield-Jackson

$589Multiple Airlines

Tue, Nov 10 - Wed, Nov 18

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

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

5:55 am - 4:49 pmOPO Porto-BWI Baltimore/Washington

15h 54m2 stops Paris Charles de Gaulle Detroit Metropolitan Wayne County

$599Air France

Tue, Nov 17 - Tue, Nov 24

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

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

5:55 am - 4:49 pmOPO Porto-BWI Baltimore/Washington

15h 54m2 stops Paris Charles de Gaulle Detroit Metropolitan Wayne County

$599Air France

Tue, Feb 9 - Tue, Feb 16

6:35 pm - 5:50 pmPHL Philadelphia-OPO Porto

18h 15m1 stop London Heathrow

8:20 am - 11:43 pmOPO Porto-PHL Philadelphia

20h 23m2 stops Madrid Barajas Miami

$622British Airways

Mon, Nov 2 - Wed, Nov 11

4:25 pm - 11:45 amPHL Philadelphia-OPO Porto

14h 20m2 stops Boston Logan Intl Madrid Barajas

8:20 am - 8:05 pmOPO Porto-PHL Philadelphia

16h 45m2 stops Madrid Barajas Chicago O'Hare Intl

$627American Airlines

Mon, Nov 2 - Wed, Nov 11

4:25 pm - 11:45 amPHL Philadelphia-OPO Porto

14h 20m2 stops Boston Logan Intl Madrid Barajas

8:40 pm - 3:35 pmOPO Porto-PHL Philadelphia

23h 55m1 stop Madrid Barajas

$630American Airlines

Recent last minute flight deals from Maryland to Porto

Sat, Sep 19 - Sat, Oct 17

10:41 pm - 6:55 amIAD Washington, D.C. Dulles Intl-OPO Porto

27h 14m1 stop Newark

6:35 pm - 2:00 pmOPO Porto-IAD Washington, D.C. Dulles Intl

24h 25m1 stop Vienna Intl

$727Multiple Airlines

Thu, Sep 17 - Mon, Sep 21

10:41 pm - 9:45 amIAD Washington, D.C. Dulles Intl-OPO Porto

30h 04m1 stop Newark

6:00 am - 4:05 pmOPO Porto-IAD Washington, D.C. Dulles Intl

15h 05m1 stop Frankfurt am Main

$772United Airlines

Sat, Sep 19 - Sat, Oct 17

8:20 pm - 6:30 pmIAD Washington, D.C. Dulles Intl-OPO Porto

17h 10m1 stop Zurich

2:35 pm - 4:45 pmOPO Porto-IAD Washington, D.C. Dulles Intl

31h 10m2 stops Geneva Geneve-Cointrin Zurich

$805SWISS

Sat, Sep 19 - Tue, Sep 29

7:40 pm - 6:55 amPHL Philadelphia-OPO Porto

30h 15m2 stops Washington, D.C. Dulles Intl Newark

6:00 am - 4:05 pmOPO Porto-PHL Philadelphia

15h 05m1 stop Frankfurt am Main

$831United Airlines

Tue, Sep 15 - Tue, Sep 22

10:35 pm - 5:10 pmIAD Washington, D.C. Dulles Intl-OPO Porto

13h 35m1 stop Lisbon Humberto Delgado

10:30 pm - 3:10 pmOPO Porto-IAD Washington, D.C. Dulles Intl

21h 40m1 stop Lisbon Humberto Delgado

$926TAP AIR PORTUGAL

Sat, Sep 19 - Tue, Sep 29

5:00 pm - 3:25 pmPHL Philadelphia-OPO Porto

17h 25m2 stops Boston Logan Intl Paris Charles de Gaulle

5:00 am - 10:21 pmOPO Porto-PHL Philadelphia

22h 21m2 stops Amsterdam Schiphol Boston Logan Intl

$933Delta

Sat, Sep 19 - Tue, Sep 29

5:00 pm - 3:25 pmPHL Philadelphia-OPO Porto

17h 25m2 stops Boston Logan Intl Paris Charles de Gaulle

5:00 am - 11:56 pmOPO Porto-PHL Philadelphia

23h 56m2 stops Amsterdam Schiphol Minneapolis St Paul

$933Delta

Sat, Sep 19 - Tue, Sep 29

5:27 pm - 3:25 pmPHL Philadelphia-OPO Porto

16h 58m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle

6:15 am - 7:09 pmOPO Porto-PHL Philadelphia

17h 54m2 stops Paris Charles de Gaulle Boston Logan Intl

$933Air France

Sat, Sep 19 - Thu, Sep 24

10:35 pm - 12:40 amIAD Washington, D.C. Dulles Intl-OPO Porto

21h 05m1 stop Lisbon Humberto Delgado

4:00 pm - 2:25 pmOPO Porto-IAD Washington, D.C. Dulles Intl

27h 25m1 stop Lisbon Humberto Delgado

$965TAP AIR PORTUGAL

Thu, Sep 17 - Wed, Sep 23

1:55 pm - 8:30 amBWI Baltimore/Washington-OPO Porto

13h 35m2 stops Boston Logan Intl Paris Charles de Gaulle

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

16h 00m2 stops Paris Charles de Gaulle Detroit Metropolitan Wayne County

$1,580Air France

Useful Info

Low season	January
High season	July
Cheapest flight	$269

Best time to beat the crowds with an average 26% drop in price.

Most popular time to fly with an average 29% increase in price.

Flight from Philadelphia 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

Ponte de Lima

Espinho

Baiao

Arcos de Valdevez

Caminha

Mesao Frio

Mira

Amares

Penafiel

Curia

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OPO

$269 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

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FAQs for booking flights from Maryland to Porto

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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

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