Which airports can I use when flying from Greenville to Porto?

Flights from Greenville to Porto usually depart from Greenville (GSP) and arrive at Porto (OPO).

What cabin classes can I book on flights from Greenville to Porto?

Only Economy Class is available on flights from Greenville to Porto.

Can I save money by using flexible dates for flights from Greenville to Porto?

Yes. Flexible dates can save you up to 18% on flights from Greenville to Porto. Tuesday is the cheapest departure day at $831 round-trip on average, while Wednesday is the most expensive at $1,007, a difference of $176. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

What popular places can I visit in Porto?

Some of the most popular sights in Porto are Ribeira Square, Avenida dos Aliados and Mercado do Bolhão. These are among the most viewed places in Porto on KAYAK.

Do I need a passport to fly from Greenville to Porto?

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

What is the time difference between Greenville and Porto?

Porto is 5 hours ahead of Greenville (Western European Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

What car rental options are available at Porto Airport (OPO)?

Porto Airport (OPO) hosts 5 major car rental companies, with daily rates averaging $24 for economy cars. Top options include: • GREEN MOTION • Drive on Holiday • Klass Wagen • Goldcar Rental SP • Sixt

How much is a round-trip flight from Greenville to Porto?

Round-trip flights from Greenville to Porto typically range from $831 to $979. The lowest price found in the past 5 days was $745, on United Airlines.

Which airline is the cheapest to fly from Greenville to Porto?

United Airlines ($745) and British Airways ($846) are the cheapest airlines to fly round-trip from Greenville to Porto according to KAYAK data over the last 5 days.

$745 CHEAP FLIGHTS from Greenville to Porto (GSP - OPO)

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Cheapest round-trip

$745

Typical prices: $831-$979

United Airlines

Wed 2/14Sat 2/17

GSP - OPO • 2 stops

When to travel

March

Cheapest • 32% price drop

August

Most popular

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Flight Deals

Cheap Flights from Greenville to Porto (GSP-OPO)

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Recent round-trip flight deals from Greenville to Porto

Sun, Feb 14 - Wed, Feb 17

6:37 am - 3:20 pmGSP Greenville-OPO Porto

27h 43m2 stops Chicago O'Hare Intl Frankfurt am Main

6:00 am - 11:15 pmOPO Porto-GSP Greenville

22h 15m2 stops Frankfurt am Main Newark

$745United Airlines

Sat, Dec 12 - Tue, Dec 22

5:34 pm - 9:30 amGSP Greenville-OPO Porto

34h 56m2 stops Chicago O'Hare Intl Newark

12:35 pm - 10:35 pmOPO Porto-GSP Greenville

15h 00m1 stop Newark

$841United Airlines

Sat, Dec 12 - Tue, Dec 22

7:55 am - 7:15 pmGSP Greenville-OPO Porto

30h 20m2 stops Philadelphia London Heathrow

6:25 pm - 7:55 pmOPO Porto-GSP Greenville

30h 30m2 stops London Gatwick Philadelphia

$846British Airways

Sat, Dec 12 - Tue, Dec 22

5:34 pm - 9:30 amGSP Greenville-OPO Porto

34h 56m2 stops Chicago O'Hare Intl Newark

12:35 pm - 2:15 pmOPO Porto-GSP Greenville

54h 40m2 stops Newark Washington, D.C. Dulles Intl

$941United Airlines

Sat, Jan 2 - Sat, Jan 16

4:01 pm - 7:40 amGSP Greenville-OPO Porto

34h 39m2 stops Philadelphia Madrid Barajas

8:20 am - 8:46 pmOPO Porto-GSP Greenville

17h 26m2 stops Madrid Barajas Philadelphia

$962Multiple Airlines

Sat, Dec 12 - Tue, Dec 22

12:15 pm - 9:30 amGSP Greenville-OPO Porto

16h 15m1 stop Newark

12:35 pm - 10:35 pmOPO Porto-GSP Greenville

15h 00m1 stop Newark

$1,001United Airlines

Sun, Dec 13 - Sun, Dec 20

6:30 am - 9:30 amGSP Greenville-OPO Porto

22h 00m2 stops Chicago O'Hare Intl Newark

5:00 am - 7:02 pmOPO Porto-GSP Greenville

19h 02m2 stops Lisbon Humberto Delgado Washington, D.C. Dulles Intl

$1,065United Airlines

Wed, Dec 16 - Wed, Dec 23

10:27 am - 9:30 amGSP Greenville-OPO Porto

18h 03m2 stops Chicago O'Hare Intl Newark

12:35 pm - 9:17 amOPO Porto-GSP Greenville

25h 42m1 stop Newark

$1,077United Airlines

Wed, Dec 16 - Wed, Dec 23

6:00 am - 9:30 amGSP Greenville-OPO Porto

22h 30m1 stop Newark

12:35 pm - 9:17 amOPO Porto-GSP Greenville

25h 42m1 stop Newark

$1,082United Airlines

Mon, Jan 18 - Fri, Jan 22

10:40 am - 3:25 pmGSP Greenville-OPO Porto

23h 45m2 stops Chicago O'Hare Intl Frankfurt am Main

6:00 am - 7:07 pmOPO Porto-GSP Greenville

18h 07m2 stops Frankfurt am Main Washington, D.C. Dulles Intl

$1,112United Airlines

Booking Insights

Price, demand and travel trends for Greenville to Porto flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

Prices

Airlines

How much is a round-trip flight from Greenville to Porto? This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Greenville to Porto departing in february.

Find deals

High season	August
Cheapest flight	$745

The most popular month to fly with an average 25% increase in travelers.

Round-trip flight from Greenville to Porto

When to book flights from Greenville to Porto

Are your dates flexible? Find out the best times to travel from Greenville to Porto based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

What cabin classes can I book on flights from Greenville to Porto?
Only Economy Class is available on flights from Greenville to Porto.
Do I need a passport to fly from Greenville to Porto?
Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.
What car rental options are available at Porto Airport (OPO)?
Porto Airport (OPO) hosts 5 major car rental companies, with daily rates averaging $24 for economy cars. Top options include:

• GREEN MOTION
• Drive on Holiday
• Klass Wagen
• Goldcar Rental SP
• Sixt
Which airports can I use when flying from Greenville to Porto?
Flights from Greenville to Porto usually depart from Greenville (GSP) and arrive at Porto (OPO).
Can I save money by using flexible dates for flights from Greenville to Porto?
Yes. Flexible dates can save you up to 18% on flights from Greenville to Porto. Tuesday is the cheapest departure day at $831 round-trip on average, while Wednesday is the most expensive at $1,007, a difference of $176.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.
What is the time difference between Greenville and Porto?
Porto is 5 hours ahead of Greenville (Western European Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.
What popular places can I visit in Porto?
Some of the most popular sights in Porto are Ribeira Square, Avenida dos Aliados and Mercado do Bolhão. These are among the most viewed places in Porto on KAYAK.

If your dates are flexible, aim for a Tuesday departure and avoid flying on Wednesday. On this route, Tuesday flights average $831, about $176 less than Wednesday fares (17% savings) based on the last 12 months.
If you can choose when to travel, plan your Greenville to Porto trip for March. Fares historically average $619 round-trip in that month - typically $388 less than the most expensive month, which is August (based on the last 12 months).
If you're arriving late at night and need somewhere to stay, check out these hotels close to Porto Airport.

• Ap Aeroporto Porto

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GSP - OPO

$745 Find Cheap Flights from Greenville to Porto - Compare and Save

Everything you should know

Cheap Flights from Greenville to Porto (GSP-OPO)

Recent round-trip flight deals from Greenville to Porto

Recent one-way flight deals from Greenville to Porto

Price, demand and travel trends for Greenville to Porto flights

How much is a round-trip flight from Greenville to Porto?

Which airline is the cheapest to fly from Greenville to Porto?

Key details for Greenville to Porto flights

High season

Cheapest flight

When to book flights from Greenville to Porto

Your Greenville to Porto flight questions, answered

Your guide to booking Greenville to Porto flights

More options for your flight from Greenville to Porto

Complete your trip to Porto with a hotel stay or car rental

Information on your arrival and departure airports

Cabin class types available on flights from Greenville to Porto

Find direct flights to and from Greenville and Porto

Flights from domestic origins to Porto

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