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$1,072+ 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 9/27. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — OPO
Aug 26 — Sep 21
Tue 8/26
Tue 9/2
1 adult, Economy
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Cheap 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 August 21, 2025.

Round-trip from

$1,072
(United Airlines)
From Lehigh Valley to Porto
Search Deals

Find flight deals from Lehigh Valley to Porto

Cheapest flights from Lehigh Valley to Porto
Explore the most affordable flight options available from Lehigh Valley to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 21, 2025.

This United Airlines deal was found by Cheapflights users on 8/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/275:28 pmABE - OPO
2 stops41h 12mUnited Airlines
Sat 10/1112:35 pmOPO - ABE
2 stops27h 03mUnited Airlines
Deal found 8/21$1,072
This United Airlines deal was found by Cheapflights users on 8/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/65:28 pmABE - OPO
2 stops60h 52mUnited Airlines
Mon 10/136:00 amOPO - ABE
2 stops20h 54mUnited Airlines
Deal found 8/21$1,179
This United deal was found by Cheapflights users on 8/20. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/316:37 amABE - OPO
2 stops22h 08mMultiple Airlines
Thu 9/46:00 amOPO - ABE
2 stops20h 54mMultiple Airlines
Deal found 8/20$2,384

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 August 21, 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

Sat 9/27

5:28 pm-3:40 pm

2 stops41h 12m

Porto

Sat 10/11

12:35 pm-10:38 am

2 stops27h 03m

$1,072

AllentownPorto

ABE - OPO

ABEOPO

Allentown-Bethlehem

Mon 10/6

5:28 pm-11:20 am

2 stops60h 52m

Porto

Mon 10/13

6:00 am-9:54 pm

2 stops20h 54m

$1,179

AllentownPorto

ABE - OPO

ABEOPO

Allentown-Bethlehem

Sun 8/31

6:37 am-9:45 am

2 stops22h 08m

Porto

Thu 9/4

6:00 am-9:54 pm

2 stops20h 54m

$2,384

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/21

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 41h 12m. Fly via United Airlines to get the fastest option. Airlines will cover a distance of 3391 mi.

  • 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.

  • What is the cheapest month to book a flight from Lehigh Valley to Porto?

    Currently, January is the cheapest month in which you can book a flight from Lehigh Valley to Porto (average of $523). Flying from Lehigh Valley to Porto in June is currently the most expensive (average of $1,030). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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

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