What airlines fly to Porto?

United Airlines, American Airlines and Iberia are the top three most popular airlines that fly to Porto from North Carolina according to our data. United Airlines is the first choice among our users, with 59% of people opting to fly with this airline when traveling to Porto. Keep in mind that there are 9 different airlines that fly to Porto on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from North Carolina to Porto?

British Airways and Delta are the most popular carriers operating from North Carolina to Porto

How long does it take to fly to Porto?

Flight times from North Carolina to Porto vary, but if you’re flying out of Asheville and flying into Porto (one of the most popular routes), then the duration is 12h 45m on average. Another popular route from North Carolina to Porto is flying from Raleigh to Porto, which will take roughly 13h 10m. Keep in mind that layovers or delays could extend your travel time.

When did momondo last update prices for flights from North Carolina to Porto Airport?

Prices for flights from North Carolina to Porto Airport refresh daily.

How many operators does momondo search for flights from North Carolina to Porto Airport?

There are 9 operators available for flights from North Carolina to Porto Airport as of December 2025.

How old do you have to be to fly from North Carolina to Porto Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from North Carolina to Porto Airport.

What documentation or ID do you need to fly to Porto Airport?

The travel and health documents you'll need for your trip to Porto Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Porto Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$281 Cheap Flights from North Carolina to Porto in 2025/26

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Find the cheapest flights from North Carolina to Porto

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:25 pm - 12:05 pm

RDU

OPO

17h 40m2 stops

6:00 am - 9:33 pm

OPO

RDU

20h 33m2 stops

$473Multiple Airlines

Mon, Feb 2 - Mon, Feb 9

2:50 pm - 9:30 am

RDU

OPO

13h 40m1 stop

12:30 pm - 9:55 pm

OPO

RDU

37h 25m2 stops

$477Lufthansa

Sat, Feb 28 - Thu, Mar 12

1:13 pm - 10:30 am

RDU

OPO

16h 17m2 stops

5:00 am - 6:45 pm

OPO

RDU

18h 45m2 stops

$490KLM

Mon, Feb 2 - Mon, Feb 9

2:50 pm - 9:30 am

RDU

OPO

13h 40m1 stop

12:35 pm - 9:55 pm

OPO

RDU

13h 20m1 stop

$491Lufthansa

Sat, Feb 28 - Thu, Mar 12

7:05 am - 10:30 am

RDU

OPO

22h 25m2 stops

5:00 am - 11:49 pm

OPO

RDU

23h 49m2 stops

$493Delta

Sat, Feb 7 - Sat, Feb 21

2:15 pm - 3:25 pm

AVL

OPO

20h 10m2 stops

5:00 am - 5:23 pm

OPO

AVL

17h 23m2 stops

$499Delta

Mon, Feb 2 - Mon, Feb 9

8:00 pm - 9:30 am

RDU

OPO

32h 30m2 stops

12:35 pm - 9:34 am

OPO

RDU

24h 59m2 stops

$499United Airlines

Fri, Feb 27 - Thu, Mar 12

1:25 pm - 2:55 pm

RDU

OPO

20h 30m2 stops

6:00 am - 2:06 pm

OPO

RDU

37h 06m3 stops

$505United Airlines

Mon, Feb 2 - Mon, Feb 9

4:10 pm - 11:45 am

CLT

OPO

14h 35m1 stop

8:20 am - 4:35 pm

OPO

CLT

13h 15m1 stop

$595American Airlines

Sun, Feb 8 - Tue, Feb 24

4:10 pm - 11:45 am

CLT

OPO

14h 35m1 stop

8:20 am - 4:35 pm

OPO

CLT

13h 15m1 stop

$596American Airlines

Sun, Feb 8 - Tue, Feb 24

Lufthansa flights from North Carolina to Porto

Our best Lufthansa deals on North Carolina to Porto flight tickets

Lufthansa

Feb 28

RDU2:50 pmRaleigh-Durham

13h 40m

1 stop

OPO9:30 amPorto

Mar 12

OPO12:30 pmPorto

37h 25m

2 stops

RDU9:55 pmRaleigh-Durham

$477

Find similar

Lufthansa

Feb 28

RDU2:50 pmRaleigh-Durham

13h 40m

1 stop

OPO9:30 amPorto

Mar 12

OPO12:35 pmPorto

13h 20m

1 stop

RDU9:55 pmRaleigh-Durham

$491

Find similar

Lufthansa

Feb 27

RDU3:15 pmRaleigh-Durham

21h 45m

2 stops

OPO6:00 pmPorto

Mar 12

OPO6:00 amPorto

19h 19m

2 stops

RDU9:19 pmRaleigh-Durham

$530

Find similar

KLM flights from North Carolina to Porto

Our best KLM deals on North Carolina to Porto flight tickets

KLM

Feb 2

RDU1:13 pmRaleigh-Durham

16h 17m

2 stops

OPO10:30 amPorto

Feb 9

OPO5:00 amPorto

18h 45m

2 stops

RDU6:45 pmRaleigh-Durham

$490

Find similar

KLM

Feb 7

RDU2:10 pmRaleigh-Durham

15h 20m

2 stops

OPO10:30 amPorto

Feb 21

OPO11:25 amPorto

34h 20m

1 stop

RDU4:45 pmRaleigh-Durham

$608

Find similar

Fly from

Fly to

Route

Depart

Return

Price

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Mon 2/2

1:25 pm-12:05 pm

2 stops17h 40m

Porto

Mon 2/9

6:00 am-9:33 pm

2 stops20h 33m

$473

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Sat 2/28

2:50 pm-9:30 am

1 stop13h 40m

Porto

Thu 3/12

12:30 pm-9:55 pm

2 stops37h 25m

$477

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Mon 2/2

1:13 pm-10:30 am

2 stops16h 17m

Porto

Mon 2/9

5:00 am-6:45 pm

2 stops18h 45m

$490

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Sat 2/28

2:50 pm-9:30 am

1 stop13h 40m

Porto

Thu 3/12

12:35 pm-9:55 pm

1 stop13h 20m

$491

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Sat 2/7

7:05 am-10:30 am

2 stops22h 25m

Porto

Sat 2/21

5:00 am-11:49 pm

2 stops23h 49m

$493

AshevillePorto

AVL - OPO

AVLOPO

Asheville Regional

Mon 2/2

2:15 pm-3:25 pm

2 stops20h 10m

Porto

Mon 2/9

5:00 am-5:23 pm

2 stops17h 23m

$499

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Fri 2/27

8:00 pm-9:30 am

2 stops32h 30m

Porto

Thu 3/12

12:35 pm-9:34 am

2 stops24h 59m

$499

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Mon 2/2

1:25 pm-2:55 pm

2 stops20h 30m

Porto

Mon 2/9

6:00 am-2:06 pm

3 stops37h 06m

$505

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Sun 2/8

4:10 pm-11:45 am

1 stop14h 35m

Porto

Tue 2/24

8:20 am-4:35 pm

1 stop13h 15m

$595

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Sun 2/8

4:10 pm-11:45 am

1 stop14h 35m

Porto

Tue 2/24

8:20 am-4:35 pm

1 stop13h 15m

$596

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from North Carolina to Porto

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Porto?

The month of February is, on average, the cheapest month to fly to Porto from North Carolina, with most prices found around $642. If you aren’t able to travel during the month of February, then book flights to Porto from North Carolina during December instead. Flights to Porto in December, while not as cheap as those in February, still average around $709.

What is the cheapest day to depart on your flight to Porto?

The cheapest day to depart on your flight to Porto is on a Tuesday when prices can be found for as low as $844. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $1,417. These prices are subject to change though, so be sure to set up a Price Alert for flights to Porto.

What is the cheapest time of day to depart on your flight to Porto?

In the evening is the cheapest time of day to fly from North Carolina to Porto when you can find flight prices for as low as $836. Flying to Porto in the evening is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $1,099 on average. Flights to Porto from North Carolina in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

How far in advance should I book a flight to Porto?

You are more likely to see cheaper flights to Porto from North Carolina when booking weeks ahead of your departure date. In general, you can expect to find flights to Porto for around $966 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Porto from North Carolina for as low as $707 on momondo.

Can stopping save me money on North Carolina to Porto flights?

You could potentially save up to 11% on your flight if you consider stops on a North Carolina to Porto flight.

Cheap North Carolina to Porto flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from North Carolina to Porto

Fastest flight time	12h 45m
Direct flights	None

The fastest flight from North Carolina to Porto takes 12h 45m

There are no direct flights from North Carolina to Porto. There are no popular flight routes from North Carolina to Porto.

Search flight deals

When did momondo last update prices for flights from North Carolina to Porto Airport?
Prices for flights from North Carolina to Porto Airport refresh daily.
How many operators does momondo search for flights from North Carolina to Porto Airport?
There are 9 operators available for flights from North Carolina to Porto Airport as of December 2025.
How old do you have to be to fly from North Carolina to Porto Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from North Carolina to Porto Airport.
What documentation or ID do you need to fly to Porto Airport?
The travel and health documents you'll need for your trip to Porto Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Porto Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from North Carolina to Porto

Compare and see reviews for airlines that fly from North Carolina to Porto with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $558	Free Cancellation	Rating 7.2 11,051 reviews	Search American Airlines flights
Delta	PriceFrom $597	Free Cancellation	Rating 7.9 8,015 reviews	Search Delta flights
Lufthansa	PriceFrom $608	Free Cancellation	Rating 6.8 7,643 reviews	Search Lufthansa flights
KLM	PriceFrom $618	Free Cancellation	Rating 7.7 1,431 reviews	Search KLM flights
Iberia	PriceFrom $628	Free Cancellation	Rating 7.0 3,055 reviews	Search Iberia flights
Air Canada	PriceFrom $638	Free Cancellation	Rating 7.1 10,550 reviews	Search Air Canada flights
United Airlines	PriceFrom $642	Free Cancellation	Rating 7.4 9,102 reviews	Search United Airlines flights
British Airways	PriceFrom $663	Free Cancellation	Rating 6.7 7,602 reviews	Search British Airways flights
TAP AIR PORTUGAL	PriceFrom $887	Free Cancellation	Rating 7.2 2,093 reviews	Search TAP AIR PORTUGAL flights

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Why use momondo?

Why should I use momondo to find a flight deal from North Carolina to Porto?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from North Carolina to Porto. momondo saves you time and could save you money on your trip.

Can I find flights from North Carolina to Porto with flexible booking policies on momondo?

All flight searches from North Carolina to Porto on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from North Carolina to Porto?

Once all potential North Carolina to Porto flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from North Carolina to Porto right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of North Carolina to Porto flights. All you need is a valid email address and we will do the rest; it is that quick and easy.