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$569+ Cheap flights from Lehigh Valley to Porto (OPO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/8. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — OPO
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
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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 May 1, 2025.

This United Airlines deal was found by Cheapflights users on 4/30. 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 12/85:32 pmABE - OPO
2 stops40h 43mUnited Airlines
Sat 1/106:00 amOPO - ABE
2 stops19h 43mUnited Airlines
Deal found 4/30$721
This KLM deal was found by Cheapflights users on 4/30. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/75:50 pmABE - OPO
2 stops16h 40mKLM
Tue 5/139:20 amOPO - ABE
2 stops18h 35mKLM
Deal found 4/30$1,795

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 May 1, 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

Thu 5/8

6:00 am-8:50 am

2 stops45h 50m

$569

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

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

Rainfall in Porto by month

Plan your trip to Porto by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Porto ranges from 0.7 - 7.7 inches per month. December is typically the wettest month, when rainfall can reach 7.7 in. July is typically the driest time to visit Porto when rainfall is around 0.7 in.

Temperature in Porto by month

Plan your trip to Porto by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Porto, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

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.

  • 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 $1,071). 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 Lehigh Valley?

Book flights to Lehigh Valley if you plan to visit one of these locations
Aveiro
Coimbra
Matosinhos
Arcos de Valdevez

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