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Find cheap flights from Maryland to Portugal from $260

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
sáb 7/6
sáb 7/13

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In the last 7 days travelers have searched 44,060,346 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

July

Cheapest flight

$260
Best time to beat the crowds with an average 27% drop in price.
Most popular time to fly with an average 31% increase in price.
Flight from Philadelphia 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

10/13dom
nonstopBritish Airways
6h 50mPHL-LIS
10/20dom
1 stopBritish Airways
28h 20mLIS-PHL
$366
10/13dom
1 stopBritish Airways
23h 45mPHL-LIS
10/20dom
1 stopBritish Airways
28h 20mLIS-PHL
$384
7/30ter
1 stopTAP AIR PORTUGAL
17h 05mIAD-OPO
9/25qua
1 stopTAP AIR PORTUGAL
13h 40mOPO-IAD
$401
9/30seg
1 stopTAP AIR PORTUGAL
20h 10mIAD-OPO
10/16qua
1 stopTAP AIR PORTUGAL
21h 25mOPO-IAD
$416
9/4qua
1 stop
19h 05mIAD-LIS
9/11qua
2 stops
20h 35mLIS-IAD
$434
11/8sex
1 stopKLM
19h 05mIAD-OPO
11/13qua
1 stopKLM
12h 40mOPO-IAD
$435
11/27qua
2 stopsKLM
16h 10mBWI-OPO
12/2seg
2 stopsKLM
16h 31mOPO-BWI
$453
11/7qui
1 stopPLAY
21h 10mIAD-LIS
11/11seg
1 stopPLAY
24h 40mLIS-IAD
$476
10/13dom
1 stopPLAY
20h 30mIAD-LIS
10/18sex
1 stopPLAY
25h 20mLIS-IAD
$479
11/12ter
1 stop
12h 30mPHL-LIS
11/25seg
1 stop
21h 45mLIS-PHL
$520

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Recent one-way flight deals

9/16seg
2 stops
27h 50mPHL-LIS
$260
9/28sáb
2 stops
45h 40mPHL-OPO
$270
8/4dom
1 stopTAP AIR PORTUGAL
10h 50mIAD-OPO
$272
9/25qua
nonstopTAP AIR PORTUGAL
7h 15mIAD-LIS
$328
8/19seg
1 stopPLAY
20h 10mBWI-OPO
$333
10/13dom
1 stopPLAY
20h 30mIAD-LIS
$334
9/16seg
1 stopRoyal Air Maroc
15h 20mIAD-LIS
$362
9/2seg
1 stopRoyal Air Maroc
15h 20mIAD-LIS
$363
11/13qua
2 stopsAir Canada
16h 05mIAD-OPO
$471
9/24ter
2 stopsAir Canada
20h 35mIAD-OPO
$506

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Last minute flights from Maryland to Portugal

Last minute flight, train and bus deals

6/9dom
multi-stopUnited Airlines
22h 45mPHL-OPO
6/25ter
multi-stopUnited Airlines
19h 18mOPO-PHL
$706
6/8sáb
multi-stopUnited Airlines
32h 49mPHL-OPO
6/18ter
multi-stopUnited Airlines
10h 55mOPO-PHL
$731
6/10seg
multi-stopBritish Airways
23h 10mDCA-LIS
6/19qua
multi-stopBritish Airways
10h 53mLIS-DCA
$754
6/8sáb
multi-stopBritish Airways
23h 15mDCA-LIS
6/18ter
multi-stopBritish Airways
13h 52mLIS-DCA
$801
6/6qui
multi-stopAir France
13h 10mIAD-OPO
6/12qua
multi-stopAir France
14h 55mOPO-IAD
$824
6/8sáb
multi-stopDelta
17h 27mIAD-OPO
6/21sex
multi-stopDelta
14h 55mOPO-IAD
$828
6/6qui
multi-stopDelta
13h 10mIAD-OPO
6/12qua
multi-stopDelta
16h 27mOPO-IAD
$836
6/9dom
multi-stopTAP AIR PORTUGAL
15h 30mIAD-OPO
6/26qua
multi-stopTAP AIR PORTUGAL
15h 20mOPO-IAD
$887
6/9dom
multi-stopTAP AIR PORTUGAL
10h 20mIAD-OPO
6/14sex
multi-stopTAP AIR PORTUGAL
12h 25mOPO-IAD
$895
6/7sex
multi-stopAir France
16h 05mIAD-OPO
8/15qui
multi-stopAir France
11h 55mOPO-IAD
$1,047

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Flights to Portugal

Return flight deals:

Portugal - Maryland

Cabin classes: