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$1,127+ 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 8/3. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — OPO
Jul 1 — Jul 81
Tue 7/1
Tue 7/8
1 adult, Economy
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Find flight deals from Lehigh Valley to Porto

One-way flights from Lehigh Valley to Porto
Search for one-way flight options from Lehigh Valley to Porto. Find affordable one-way fares based on user searches. Data last updated June 26, 2025.

This Delta deal was found by Cheapflights users on 6/24. 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.
Sun 8/36:14 pmABE - OPO
2 stops16h 16mDelta
Deal found 6/24$1,127

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 June 26, 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

Sun 8/3

6:14 pm-3:30 pm

2 stops16h 16m

$1,127

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/24

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.

Reviews of airlines servicing Porto

Get insights into the airlines that provide service to Porto. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Porto. Reviews last updated June 26, 2025.
Peruse reviews from past customers who have flown with Delta from Lehigh Valley to Porto to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,963 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,963 reviews
Delta
8.0
Very good
7,963 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 $1,038). 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

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