Find flights
When to book
FAQs & Tips
Deals

Find cheap flights from Maryland to Portugal from $252

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Maryland to Portugal departing on 9/16. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Mon 7/1
Mon 7/8

Search hundreds of travel sites at once for deals on flights to Portugal

In the last 7 days travelers have searched 42,787,818 times on KAYAK, and here is why:

Save 21% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Bundle and saveSave money when you bundle your flight + hotel.

Good to know

Low season

January

High season

July

Cheapest flight

$252
Best time to beat the crowds with an average 28% drop in price.
Most popular time to fly with an average 30% increase in price.
Flight from Baltimore to Lisbon

FAQs for booking flights from Maryland to Portugal

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

    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 Portugal.

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

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

    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 Portugal 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 Portugal?

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

See more FAQs

Book cheap flights from Maryland to Portugal

Recent round-trip flight deals

11/3Sun
1 stopPLAY
21h 10mBWI-LIS
11/11Mon
1 stopPLAY
24h 40mLIS-BWI
$389
11/3Sun
1 stopPLAY
21h 10mIAD-LIS
11/11Mon
1 stopPLAY
24h 40mLIS-IAD
$389
9/23Mon
1 stopTAP AIR PORTUGAL
10h 25mIAD-OPO
10/2Wed
1 stopTAP AIR PORTUGAL
23h 00mOPO-IAD
$422
10/7Mon
1 stopTAP AIR PORTUGAL
15h 20mIAD-OPO
10/14Mon
1 stopTAP AIR PORTUGAL
26h 20mOPO-IAD
$428
11/27Wed
2 stopsDelta
17h 29mBWI-OPO
12/2Mon
2 stopsDelta
19h 08mOPO-BWI
$439
11/27Wed
2 stopsDelta
16h 20mDCA-OPO
12/2Mon
2 stopsDelta
19h 13mOPO-DCA
$452
9/30Mon
2 stopsIberia
27h 50mIAD-OPO
10/16Wed
1 stopIberia
27h 40mOPO-IAD
$516
9/23Mon
2 stopsBritish Airways
21h 35mDCA-OPO
10/2Wed
2 stopsBritish Airways
31h 57mOPO-DCA
$521
11/25Mon
2 stopsIberia
29h 20mPHL-OPO
12/2Mon
1 stopIberia
21h 50mOPO-PHL
$544
9/30Mon
1 stopBritish Airways
15h 50mIAD-OPO
10/6Sun
1 stopBritish Airways
24h 00mOPO-IAD
$573

Search by stops

Search by airline

Search by price

Recent one-way flight deals

9/16Mon
2 stops
23h 40mBWI-LIS
$252
9/9Mon
2 stops
27h 10mBWI-LIS
$256
8/22Thu
1 stopPLAY
20h 30mIAD-LIS
$317
11/24Sun
nonstopTAP AIR PORTUGAL
7h 05mIAD-LIS
$328
11/24Sun
1 stopPLAY
21h 10mBWI-LIS
$357
9/25Wed
1 stopTAP AIR PORTUGAL
10h 20mIAD-OPO
$359
9/2Mon
1 stopRoyal Air Maroc
15h 20mIAD-LIS
$361
9/16Mon
1 stopRoyal Air Maroc
15h 20mIAD-LIS
$362
7/16Tue
1 stopLufthansa
20h 00mIAD-OPO
$364
9/24Tue
2 stopsLufthansa
35h 37mIAD-FAO
$543

Search by stops

Search by airline

Search by price

Last minute flights from Maryland to Portugal

Last minute flight, train and bus deals

6/5Wed
multi-stopUnited Airlines
9h 56mPHL-OPO
6/12Wed
multi-stopUnited Airlines
10h 55mOPO-PHL
$713
6/5Wed
multi-stopUnited Airlines
9h 56mPHL-OPO
6/12Wed
multi-stopUnited Airlines
17h 05mOPO-PHL
$718
6/6Thu
multi-stopTAP AIR PORTUGAL
17h 45mIAD-OPO
6/12Wed
multi-stopTAP AIR PORTUGAL
20h 25mOPO-IAD
$773
6/6Thu
multi-stopDelta
14h 50mIAD-OPO
6/12Wed
multi-stopDelta
11h 55mOPO-IAD
$828
6/6Thu
multi-stopDelta
17h 13mBWI-OPO
6/12Wed
multi-stopDelta
18h 27mOPO-BWI
$838
6/3Mon
multi-stopKLM
12h 15mIAD-OPO
6/8Sat
multi-stopKLM
23h 40mOPO-IAD
$838
6/5Wed
multi-stop
27h 40mPHL-OPO
6/12Wed
multi-stop
28h 38mOPO-PHL
$842
6/2Sun
multi-stopKLM
23h 50mIAD-OPO
6/8Sat
multi-stopKLM
17h 27mOPO-IAD
$848
6/5Wed
multi-stop
10h 07mBWI-OPO
6/15Sat
multi-stop
50h 25mOPO-BWI
$859
6/3Mon
nonstopTAP AIR PORTUGAL
7h 30mIAD-LIS
6/11Tue
nonstopTAP AIR PORTUGAL
8h 20mLIS-IAD
$880

Search by stops

Search by airline

Search by price

Flights to Portugal

Return flight deals:

Portugal - Maryland

Cabin classes: