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Find cheap flights from Maryland to Portugal from $270

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 9/28. 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
Fri 6/21
Fri 6/28

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In the last 7 days travelers have searched 43,423,329 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

July

Cheapest flight

$270
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 Philadelphia to Porto

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
$359
11/3Sun
1 stopPLAY
21h 10mIAD-LIS
11/11Mon
1 stopPLAY
24h 40mLIS-IAD
$368
11/3Sun
nonstopTAP AIR PORTUGAL
7h 05mIAD-LIS
11/9Sat
nonstopTAP AIR PORTUGAL
8h 45mLIS-IAD
$478
10/17Thu
nonstopTAP AIR PORTUGAL
7h 15mIAD-LIS
10/24Thu
nonstopTAP AIR PORTUGAL
8h 20mLIS-IAD
$480
10/16Wed
1 stopRoyal Air Maroc
10h 00mIAD-LIS
10/31Thu
1 stopRoyal Air Maroc
29h 35mLIS-IAD
$543
10/21Mon
1 stop
26h 46mBWI-LIS
10/31Thu
2 stops
21h 54mLIS-BWI
$557
9/23Mon
1 stopScandinavian Airlines
22h 20mIAD-LIS
10/23Wed
1 stopScandinavian Airlines
26h 00mLIS-IAD
$566
10/9Wed
1 stopRoyal Air Maroc
15h 20mIAD-LIS
10/14Mon
1 stopRoyal Air Maroc
11h 00mLIS-IAD
$567
9/22Sun
2 stopsScandinavian Airlines
17h 45mIAD-LIS
10/2Wed
1 stopScandinavian Airlines
26h 00mLIS-IAD
$591
11/11Mon
3 stops
20h 55mBWI-LIS
11/18Mon
2 stops
24h 00mLIS-BWI
$595

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Recent one-way flight deals

9/28Sat
2 stops
40h 10mPHL-OPO
$270
9/7Sat
2 stops
41h 01mPHL-LIS
$278
9/4Wed
2 stops
34h 45mPHL-LIS
$286
8/22Thu
1 stopPLAY
20h 30mIAD-LIS
$336
7/15Mon
1 stopPLAY
20h 10mIAD-OPO
$353
9/4Wed
1 stopRoyal Air Maroc
15h 20mIAD-LIS
$363
8/7Wed
1 stopRoyal Air Maroc
15h 20mIAD-LIS
$377
9/18Wed
nonstopTAP AIR PORTUGAL
7h 30mIAD-LIS
$378
11/13Wed
nonstopTAP AIR PORTUGAL
7h 05mIAD-LIS
$380
9/1Sun
2 stopsScandinavian Airlines
47h 45mIAD-LIS
$475

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Search by price

Last minute flights from Maryland to Portugal

Last minute flight, train and bus deals

5/27Mon
multi-stop
25h 05mIAD-LIS
6/5Wed
multi-stop
24h 35mLIS-IAD
$673
5/27Mon
multi-stop
25h 05mIAD-LIS
6/5Wed
multi-stop
24h 20mLIS-IAD
$684
5/27Mon
multi-stopDelta
13h 10mIAD-OPO
6/7Fri
multi-stopDelta
11h 55mOPO-IAD
$824
5/25Sat
multi-stopDelta
17h 31mIAD-OPO
5/31Fri
multi-stopDelta
11h 55mOPO-IAD
$828
5/25Sat
multi-stopPLAY
20h 25mIAD-OPO
5/30Thu
multi-stopPLAY
25h 30mOPO-IAD
$950
5/25Sat
multi-stopPLAY
20h 25mBWI-OPO
5/30Thu
multi-stopPLAY
25h 30mOPO-BWI
$950
5/24Fri
multi-stopRoyal Air Maroc
15h 20mIAD-LIS
6/2Sun
multi-stopRoyal Air Maroc
29h 40mLIS-IAD
$1,079
5/27Mon
multi-stopSWISS
33h 45mIAD-OPO
6/3Mon
multi-stopSWISS
26h 00mOPO-IAD
$1,151
5/27Mon
multi-stopRoyal Air Maroc
15h 20mIAD-LIS
6/11Tue
multi-stopRoyal Air Maroc
28h 40mLIS-IAD
$1,259
5/27Mon
multi-stopSWISS
28h 40mIAD-OPO
6/5Wed
multi-stopSWISS
12h 35mOPO-IAD
$1,328

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Flights to Portugal

Return flight deals:

Portugal - Maryland

Cabin classes: