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$511+ Cheap flights from Lehigh Valley to Porto (OPO)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/4. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — OPO
Jan 21 — Jan 281
Wed 1/21
Wed 1/28
1 adult, Economy
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Cheap flight deals from Lehigh Valley to Porto

Best flights from Lehigh Valley to Porto
Discover carefully curated flight deals from Lehigh Valley to Porto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 22, 2025.

This Delta deal was found by Cheapflights users on 12/21. 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.
Wed 2/412:48 pmABE - OPO
2 stops16h 42mDelta
Wed 2/1111:25 amOPO - ABE
2 stops34h 47mDelta
Deal found 12/21$511
This United Airlines deal was found by Cheapflights users on 12/20. 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.
Wed 2/411:30 amABE - OPO
2 stops22h 55mUnited Airlines
Sun 2/86:00 amOPO - ABE
2 stops20h 05mUnited Airlines
Deal found 12/20$627
This American Airlines deal was found by Cheapflights users on 12/21. 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.
Wed 2/47:30 amABE - OPO
2 stops19h 10mMultiple Airlines
Wed 2/118:20 amOPO - ABE
3 stops19h 06mMultiple Airlines
Deal found 12/21$828

Find flight deals from Lehigh Valley to Porto

Keep the following information in mind while searching for Lehigh Valley to Porto flight deals. Data was last updated December 22, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$511
(Delta)

Popular in

December

Cheapest in

February

Average price

$1,489
Provider with most accurate pricing for New York (NYC)-Porto flight deals.
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Provider most trusted by Cheapflights users for New York (NYC)-Porto flights.
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From Lehigh Valley to Porto
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($128 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($59 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Lehigh Valley to Porto 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 22, 2025.
Use the filters below to find and compare flights from Lehigh Valley to Porto that are best for you.

Fly from

Lehigh Valley

Fly to

Porto

Route

Depart

Return

Price

AllentownPorto

ABE - OPO

ABEOPO

Allentown-Bethlehem

Wed 2/4

12:48 pm-10:30 am

2 stops16h 42m

Porto

Wed 2/11

11:25 am-5:12 pm

2 stops34h 47m

$511

AllentownPorto

ABE - OPO

ABEOPO

Allentown-Bethlehem

Wed 2/4

11:30 am-3:25 pm

2 stops22h 55m

Porto

Sun 2/8

6:00 am-9:05 pm

2 stops20h 05m

$627

AllentownPorto

ABE - OPO

ABEOPO

Allentown-Bethlehem

Wed 2/4

7:30 am-7:40 am

2 stops19h 10m

Porto

Wed 2/11

8:20 am-10:26 pm

3 stops19h 06m

$828

AllentownPorto

ABE - OPO

ABEOPO

Allentown-Bethlehem

Wed 2/18

12:47 pm-10:50 am

2 stops17h 03m

$572

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

Best time to book a flight from Lehigh Valley to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Lehigh Valley 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.

Cheapflights Insights

Everything you need to know about your flight from Lehigh Valley to Porto
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Lehigh Valley to Porto. 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 into for flights to Porto from Lehigh Valley?

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

  • How long is the flight from Lehigh Valley to Porto?

    There are many flights that can get you from Lehigh Valley to Porto in 16h 42m. Fly via Delta or United Airlines to get the fastest option. Airlines will cover a distance of 3391 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

  • How can I find direct flights from Lehigh Valley to Porto?

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

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

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

See more FAQs

Traveling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Aveiro
Arcos de Valdevez
Coimbra
Vila Nova de Gaia

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