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$470+ Cheap flights from Porto (OPO) to Maryland

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/5. Fares are subject to change and may not be available on all flights or dates of travel.
OPO — BWI
Dec 23 — Dec 301
Mon 12/23
Mon 12/30
1 adult, Economy
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Cheap flight deals from Porto to Maryland

Discover tips and strategies to find the most affordable flight options for your journey from Porto (OPO) to Maryland (USMD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 18, 2024.

Round-trip from

$536
(Gotogate)

One-way from

$470
(Kiwi.com)
From Porto to Maryland
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One-way flight from Porto to Maryland
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Find flight deals from Porto to Maryland

Best flights from Porto to Maryland
Discover carefully curated flight deals from Porto to Maryland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2024.

This Gotogate deal was found by Cheapflights users on 12/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/1712:05 pmOPO - IAD
1 stop31h 25mMultiple Airlines
Mon 3/3110:20 pmIAD - OPO
1 stop20h 00mMultiple Airlines
Deal found 12/18$536
This United Airlines deal was found by Cheapflights users on 12/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/16:00 amOPO - BWI
2 stops19h 48mUnited Airlines
Sat 2/85:22 pmBWI - OPO
2 stops40h 48mUnited Airlines
Deal found 12/18$550
This lol.travel deal was found by Cheapflights users on 12/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/166:05 amOPO - IAD
2 stops19h 15mLufthansa
Sun 3/3010:20 pmIAD - OPO
1 stop20h 00mLufthansa
Deal found 12/18$578
This SWISS deal was found by Cheapflights users on 12/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/177:30 pmOPO - IAD
2 stops24h 05mSWISS
Mon 3/315:35 pmIAD - OPO
2 stops15h 10mSWISS
Deal found 12/18$604
This KAYAK deal was found by Cheapflights users on 12/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/178:40 pmOPO - DCA
2 stops26h 33mIberia
Mon 3/3112:50 pmDCA - OPO
2 stops26h 05mIberia
Deal found 12/18$631
This KLM deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/77:30 pmOPO - IAD
1 stop25h 15mKLM
Sun 3/167:30 pmIAD - OPO
1 stop11h 25mKLM
Deal found 12/16$934
This American Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/128:15 amOPO - DCA
2 stops16h 00mAmerican Airlines
Sat 4/1912:30 pmDCA - OPO
2 stops14h 05mAmerican Airlines
Deal found 12/17$1,114
This Booking.com deal was found by Cheapflights users on 12/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/1710:05 amOPO - DCA
2 stops15h 27mTAP AIR PORTUGAL
Mon 3/317:00 pmDCA - OPO
1 stop10h 40mTAP AIR PORTUGAL
Deal found 12/18$1,326
This Air Canada deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/79:00 amOPO - DCA
2 stops17h 00mAir Canada
Fri 3/144:10 pmDCA - OPO
2 stops16h 40mAir Canada
Deal found 12/16$1,342
This Delta deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/126:40 amOPO - BWI
2 stops21h 19mDelta
Sat 4/195:30 pmBWI - OPO
2 stops17h 05mDelta
Deal found 12/17$1,575
This United Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/126:00 amOPO - DCA
2 stops18h 41mUnited Airlines
Sat 4/197:00 pmDCA - OPO
1 stop9h 45mUnited Airlines
Deal found 12/17$897
This Gotogate deal was found by Cheapflights users on 12/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/177:45 amOPO - BWI
2 stops15h 45mMultiple Airlines
Mon 3/318:30 pmBWI - OPO
2 stops22h 00mMultiple Airlines
Deal found 12/18$1,011

Find flights from Porto to Maryland within your budget

Customize your flight search to find flights from Porto to Maryland 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, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

PortoWashington, D.C.

OPO - IAD

OPOIAD

Porto

Mon 3/17

12:05 pm-3:30 pm

1 stop31h 25m

Washington, D.C. Dulles Intl

Mon 3/31

10:20 pm-11:20 pm

1 stop20h 00m

$536

PortoBaltimore

OPO - BWI

OPOBWI

Porto

Sat 2/1

6:00 am-8:48 pm

2 stops19h 48m

Baltimore/Washington

Sat 2/8

5:22 pm-3:10 pm

2 stops40h 48m

$550

PortoWashington, D.C.

OPO - IAD

OPOIAD

Porto

Sun 3/16

6:05 am-9:20 pm

2 stops19h 15m

Washington, D.C. Dulles Intl

Sun 3/30

10:20 pm-11:20 pm

1 stop20h 00m

$578

PortoWashington, D.C.

OPO - IAD

OPOIAD

Porto

Mon 3/17

7:30 pm-3:35 pm

2 stops24h 05m

Washington, D.C. Dulles Intl

Mon 3/31

5:35 pm-1:45 pm

2 stops15h 10m

$604

PortoWashington, D.C.

OPO - DCA

OPODCA

Porto

Mon 3/17

8:40 pm-7:13 pm

2 stops26h 33m

Washington, D.C. Reagan-National

Mon 3/31

12:50 pm-7:55 pm

2 stops26h 05m

$631

PortoWashington, D.C.

OPO - DCA

OPODCA

Porto

Sat 4/12

6:00 am-7:41 pm

2 stops18h 41m

Washington, D.C. Reagan-National

Sat 4/19

7:00 pm-9:45 am

1 stop9h 45m

$897

PortoWashington, D.C.

OPO - IAD

OPOIAD

Porto

Tue 1/7

7:30 pm-3:45 pm

1 stop25h 15m

Washington, D.C. Dulles Intl

Sun 3/16

7:30 pm-10:55 am

1 stop11h 25m

$934

PortoBaltimore

OPO - BWI

OPOBWI

Porto

Mon 3/17

7:45 am-7:30 pm

2 stops15h 45m

Baltimore/Washington

Mon 3/31

8:30 pm-11:30 pm

2 stops22h 00m

$1,011

PortoWashington, D.C.

OPO - DCA

OPODCA

Porto

Sat 4/12

8:15 am-7:15 pm

2 stops16h 00m

Washington, D.C. Reagan-National

Sat 4/19

12:30 pm-7:35 am

2 stops14h 05m

$1,114

PortoWashington, D.C.

OPO - DCA

OPODCA

Porto

Mon 3/17

10:05 am-9:32 pm

2 stops15h 27m

Washington, D.C. Reagan-National

Mon 3/31

7:00 pm-10:40 am

1 stop10h 40m

$1,326

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 23 results
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2
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Best time to book a flight from Porto to Maryland

Have a flexible travel schedule? Discover the best time to fly to Maryland from Porto with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Porto to Maryland

Get recent, data-driven insights about flights from Porto to Maryland including ideal travel times, pricing trends, and more.

Rainfall in Maryland by month

Plan your trip to Maryland by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Maryland ranges from 2.9 - 4.1 inches per month. July is typically the wettest month, when rainfall can reach 4.1 in. February is typically the driest time to visit Maryland when rainfall is around 2.9 in.

Temperature in Maryland by month

Plan your trip to Maryland by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Maryland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

Reviews of airlines servicing Maryland

Get insights into the airlines that provide service to Maryland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Maryland. Reviews last updated December 18, 2024.
Read reviews from past customers who have flown United Airlines and Iberia from Porto to Maryland. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,604 reviews

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.6

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,604 reviews
Delta
8.0
Very good
8,604 reviews

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.6

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM
7.8
Good
1,349 reviews
Delta
8.0
Very good
8,604 reviews

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.6

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

SWISS
7.6
Good
1,606 reviews
Delta
8.0
Very good
8,604 reviews

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.6

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Air France
7.4
Good
1,504 reviews
Delta
8.0
Very good
8,604 reviews

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.6

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
9,059 reviews
Delta
8.0
Very good
8,604 reviews

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.6

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Porto to Maryland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Porto to Maryland?

    Located just 6.8 mi from the city center, Porto (OPO) is the airport most travelers will use when flying to Maryland from Porto.

  • What are the cheapest airlines to fly from Porto to Maryland one-way?

    $482 is the cheapest one-way deal found within the past few days, from British Airways. You may also be able to find cheap deals on Turkish Airlines and Iberia, with prices starting from $534 and $978, respectively.

  • What are the most popular routes from Porto to Maryland?

    The most popular flight routes from Porto to Maryland are Porto - Washington, D.C. Reagan-National, Porto - Washington, D.C. Dulles Intl and Porto - Baltimore/Washington.

  • Can I find deals for flights from Porto to Maryland that include hotel bookings?

    Yes. In addition to deals on Porto to Maryland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Porto to Maryland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Porto to Maryland.

  • Can I find deals for business class flights from Porto to Maryland?

    Yes. Cheapflights offers flight deals from Porto to Maryland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Porto to Maryland?

    Currently, August is the cheapest month in which you can book a flight from Porto to Maryland (average of $241). Flying from Porto to Maryland in March is currently the most expensive (average of $290). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Porto to Maryland

See prices for flight routes from nearby airports that may be better suited for you.
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