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

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 Portugal to Maryland.

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

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Portugal to 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 Portugal to Maryland?

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 from Portugal to Maryland with an airline and back with another airline.

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

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 from Portugal to Maryland up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

How many airports are there in Maryland?

There are 3 airports in Maryland. The busiest airport is Baltimore/Washington Airport (BWI), with 98% of all flights arriving there.

How many airports are there in Maryland?

There are 3 airports in Maryland. The busiest airport is Baltimore/Washington Airport (BWI), with 98% of all flights arriving there.

How long is the flight to Maryland?

An average nonstop flight from Portugal to Maryland takes 13h 03m , covering a distance of 3510 miles. The shortest route is Lisbon (LIS) to Philadelphia (PHL) with an average flight time of 7h 40m.

How long is the flight to Maryland?

An average nonstop flight from Portugal to Maryland takes 13h 03m , covering a distance of 3510 miles. The shortest route is Lisbon (LIS) to Philadelphia (PHL) with an average flight time of 7h 40m.

What are the most popular destinations in Maryland?

Based on KAYAK flight searches, the most popular destination is Washington, D.C. (78% of total searches to Maryland). The next most popular destination is Philadelphia (22%).

What are the most popular destinations in Maryland?

Based on KAYAK flight searches, the most popular destination is Washington, D.C. (78% of total searches to Maryland). The next most popular destination is Philadelphia (22%).

$347 CHEAP FLIGHTS from Portugal to Maryland

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Flight Deals

Cheap Flights from Portugal to Maryland

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

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Portugal to Maryland

Fri, Oct 30 - Wed, Nov 18

6:00 pm - 4:15 pm

OPO

IAD

26h 15m

1 stop

10:30 pm - 1:30 pm

IAD

OPO

10h 00m

1 stop

$572TAP AIR PORTUGAL

Fri, Sep 4 - Tue, Sep 15

5:55 am - 4:45 pm

LIS

IAD

15h 50m

1 stop

8:20 pm - 11:25 pm

IAD

LIS

22h 05m

1 stop

$575SWISS

Thu, Sep 17 - Wed, Sep 30

7:00 am - 3:10 pm

OPO

IAD

13h 10m

1 stop

10:35 pm - 8:25 pm

IAD

OPO

16h 50m

1 stop

$577TAP AIR PORTUGAL

Fri, Sep 4 - Tue, Sep 15

5:55 am - 4:45 pm

LIS

IAD

15h 50m

1 stop

8:20 pm - 11:25 pm

IAD

LIS

22h 05m

1 stop

$600SWISS

Thu, Sep 3 - Tue, Sep 8

8:20 am - 6:55 pm

OPO

IAD

15h 35m

1 stop

8:25 pm - 11:45 am

IAD

OPO

10h 20m

1 stop

$628Iberia

Sat, Dec 12 - Sat, Jan 9

6:45 pm - 6:45 pm

LIS

BWI

29h 00m

2 stops

8:35 pm - 11:25 pm

BWI

LIS

21h 50m

2 stops

$637Iberia

Thu, Sep 17 - Wed, Sep 23

7:20 am - 7:40 pm

LIS

BWI

17h 20m

1 stop

7:25 pm - 5:55 pm

BWI

LIS

17h 30m

1 stop

$644British Airways

Thu, Sep 17 - Wed, Sep 23

7:20 am - 7:40 pm

LIS

BWI

17h 20m

1 stop

7:25 pm - 5:55 pm

BWI

LIS

17h 30m

1 stop

$648British Airways

Fri, Sep 4 - Tue, Sep 15

5:05 am - 1:35 pm

LIS

IAD

13h 30m

1 stop

10:25 pm - 10:30 am

IAD

LIS

7h 05mnonstop

$691United Airlines

Fri, Nov 20 - Mon, Nov 23

5:00 am - 3:55 pm

LIS

IAD

15h 55m

1 stop

10:30 pm - 10:20 am

IAD

LIS

6h 50mnonstop

$691United Airlines

Booking Insights

KAYAK's insights & trends for flights to Maryland

Get data-powered insights and trends for flights to Maryland to help you find the cheapest flights, the best time to fly and much more.

Prices

What is the cheapest time of day to fly to Maryland?

The cheapest time of day to fly to Maryland is generally in the evening, when round-trip flights cost $705 on average. Morning departures are around 37% more expensive than evening flights, on average. The most expensive time of day to fly to Maryland is generally in the morning, which is peak travel time and where the average cost of a ticket is $964.

Find deals

Low season	February
High season	August
Cheapest flight	$347

Best time to beat the crowds with an average 14% drop in price.

Most popular time to fly with an average 2% increase in price.

Flight from Porto to Washington Dulles Airport

How does KAYAK find such low prices on flights from Portugal to Maryland?
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 Portugal to Maryland.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Portugal to Maryland?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Portugal to 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 Portugal to Maryland?
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 from Portugal to Maryland with an airline and back with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Portugal to Maryland?
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 from Portugal to Maryland up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Maryland

Cabin class

Complete your trip

Flights to other cities

Origins

Popular routes

Return flight deals

Cabin class types available on flights to Maryland

First Class flights to Maryland

Business Class flights to Maryland

Premium Economy Class flights to Maryland

Economy Class flights to Maryland

$347 Find Cheap Flights from Portugal to Maryland - Compare and Save

Cheap Flights from Portugal to Maryland

Recent round-trip flight deals from Portugal to Maryland

Recent one-way flight deals from Portugal to Maryland

Recent last minute flight deals from Portugal to Maryland

Recent direct flight deals from Portugal to Maryland

KAYAK's insights & trends for flights to Maryland

What is the cheapest time of day to fly to Maryland?

How many airports are there in Maryland?

How long is the flight to Maryland?

What are the most popular destinations in Maryland?

Good to know

Low season

High season

Cheapest flight

FAQs for booking flights from Portugal to Maryland

Everything you need to know for your flight to Maryland

Cabin class types available on flights to Maryland

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

Flights to other popular destinations

Flights from domestic origins to Maryland

Flights to popular cities in Maryland

Find deals for your return flight