HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Porto

$1,001+ 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 3/27. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — OPO
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Lehigh Valley to Porto with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 November 6, 2025.

This United Airlines deal was found by Cheapflights users on 11/6. 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.
Sun 12/212:30 pmABE - OPO
2 stops40h 10mUnited Airlines
Sun 12/286:00 amOPO - ABE
2 stops60h 55mUnited Airlines
Deal found 11/6$1,808
This Mytrip deal was found by Cheapflights users on 11/4. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/207:38 pmABE - OPO
3 stops40h 22mMultiple Airlines
Sat 12/278:55 amOPO - ABE
3 stops32h 41mMultiple Airlines
Deal found 11/4$2,463
This Delta deal was found by Cheapflights users on 11/4. 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.
Sat 12/206:04 pmABE - OPO
2 stops23h 21mDelta
Sat 12/277:35 amOPO - ABE
2 stops20h 11mDelta
Deal found 11/4$2,474

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 November 6, 2025.

Round-trip from

$968
(United Airlines)
From Lehigh Valley to Porto
Search Deals

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 November 6, 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

Fri 3/27

1:00 pm-3:25 pm

2 stops22h 25m

Porto

Tue 3/31

11:25 am-5:13 pm

2 stops34h 48m

$1,001

AllentownPorto

ABE - OPO

ABEOPO

Allentown-Bethlehem

Fri 3/27

10:33 am-9:30 am

2 stops18h 57m

Porto

Tue 3/31

6:00 am-9:47 pm

2 stops20h 47m

$1,152

AllentownPorto

ABE - OPO

ABEOPO

Allentown-Bethlehem

Sun 12/21

2:30 pm-11:40 am

2 stops40h 10m

Porto

Sun 12/28

6:00 am-1:55 pm

2 stops60h 55m

$1,808

AllentownPorto

ABE - OPO

ABEOPO

Allentown-Bethlehem

Sat 12/20

7:38 pm-5:00 pm

3 stops40h 22m

Porto

Sat 12/27

8:55 am-12:36 pm

3 stops32h 41m

$2,463

AllentownPorto

ABE - OPO

ABEOPO

Allentown-Bethlehem

Sat 12/20

6:04 pm-10:25 pm

2 stops23h 21m

Porto

Sat 12/27

7:35 am-10:46 pm

2 stops20h 11m

$2,474

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

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 18h 57m. 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Lehigh Valley to Porto

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Lisbon flights
Newark to Lisbon flights
Dulles Intl to Lisbon flights
LaGuardia to Lisbon flights
Reagan-National to Lisbon flights
Newark to Porto flights
John F Kennedy Intl to Porto flights
Philadelphia to Lisbon flights
LaGuardia to Porto flights
John F Kennedy Intl to Ponta Delgada flights
John F Kennedy Intl to Funchal flights
Newark to Funchal flights
Dulles Intl to Porto flights
Reagan-National to Porto flights
Newark to Ponta Delgada flights
LaGuardia to Funchal flights
John F Kennedy Intl to Faro flights
Newark to Faro flights
LaGuardia to Ponta Delgada flights
Dulles Intl to Funchal flights
Pittsburgh to Lisbon flights
Reagan-National to Funchal flights
LaGuardia to Faro flights
Dulles Intl to Ponta Delgada flights
Philadelphia to Porto flights
Reagan-National to Ponta Delgada flights
Dulles Intl to Faro flights
Reagan-National to Faro flights
Newark to Lajes flights
Philadelphia to Ponta Delgada flights
Pittsburgh to Porto flights
Philadelphia to Faro flights
Pittsburgh to Ponta Delgada flights
Dulles Intl to Lajes flights
Philadelphia to Funchal flights
State College to Lisbon flights
John F Kennedy Intl to Pico Island flights
John F Kennedy Intl to Vila do Porto flights
John F Kennedy Intl to Horta flights
LaGuardia to Lajes flights
Allentown to Lisbon flights
Philadelphia to Lajes flights
Harrisburg to Lisbon flights
Newark to Horta flights
Newark to Porto Santo flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.