Which airport is the most popular layover for flights between Raleigh and Porto?

Newark (EWR) was the most common stop: 65% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest travel time from Raleigh to Porto?

Flights connecting via Montreal (YUL) have the shortest average one-way travel time: 10h 00m.

What is the cheapest airline that flies from Raleigh-Durham to Porto?

Lufthansa, Delta, and United Airlines are the most popular carriers operating from Raleigh-Durham to Porto

Which layover airport has the shortest connection time from Raleigh to Porto?

Montreal (YUL) has the shortest average layover time for this route: 2h 26m.

Which layover airport offers the lowest fares from Raleigh to Porto?

Flights via Newark (EWR) offer the lowest average round-trip price of $814.

What airlines fly to Porto?

United Airlines, Delta and Lufthansa are the top three most popular airlines that fly to Porto from Raleigh according to our data. United Airlines is the first choice among our users, with 51% of people opting to fly with this airline when traveling to Porto. Keep in mind that there are 6 different airlines that fly to Porto on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Raleigh-Durham Airport to Porto Airport?

Prices for flights from Raleigh-Durham Airport to Porto Airport are updated daily.

How many operators does momondo search for flights from Raleigh-Durham Airport to Porto Airport?

The number of operators available for flights from Raleigh-Durham Airport to Porto Airport is 6 as of November 2026.

How old do you have to be to fly from Raleigh-Durham Airport 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 Raleigh-Durham Airport to Porto Airport.

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

The required travel and health documents for your Porto Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Porto Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$276 Cheap Flights from Raleigh to Porto in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Raleigh to Porto

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

2:45 pm - 7:55 amRDU Raleigh-Durham-OPO Porto

36h 10m2 stops Toronto Pearson Intl Zurich

6:00 am - 8:20 pmOPO Porto-RDU Raleigh-Durham

19h 20m2 stops Frankfurt am Main Montreal Pierre Elliott Trudeau Intl

$702Multiple Airlines

Mon, Apr 19 - Thu, Apr 29

1:20 pm - 12:05 pmRDU Raleigh-Durham-OPO Porto

17h 45m2 stops Montreal Pierre Elliott Trudeau Intl Brussels Bruxelles-National

7:20 pm - 9:32 pmOPO Porto-RDU Raleigh-Durham

31h 12m2 stops Zurich Chicago O'Hare Intl

$705Multiple Airlines

Sun, Feb 21 - Mon, Mar 1

2:45 pm - 12:50 pmRDU Raleigh-Durham-OPO Porto

17h 05m2 stops Toronto Pearson Intl Munich Franz Josef Strauss

6:00 am - 9:49 pmOPO Porto-RDU Raleigh-Durham

44h 49m2 stops Frankfurt am Main Toronto Pearson Intl

$717Lufthansa

Tue, Mar 2 - Thu, Mar 11

6:25 pm - 10:35 amRDU Raleigh-Durham-OPO Porto

11h 10m1 stop Paris Charles de Gaulle

5:55 am - 5:15 pmOPO Porto-RDU Raleigh-Durham

15h 20m1 stop Paris Charles de Gaulle

$719Delta

Wed, Mar 10 - Wed, Mar 17

6:25 pm - 10:35 amRDU Raleigh-Durham-OPO Porto

11h 10m1 stop Paris Charles de Gaulle

5:55 am - 5:15 pmOPO Porto-RDU Raleigh-Durham

15h 20m1 stop Paris Charles de Gaulle

$719KLM

Wed, Mar 10 - Wed, Mar 17

6:10 pm - 3:25 pmRDU Raleigh-Durham-OPO Porto

16h 15m1 stop Paris Charles de Gaulle

5:55 am - 3:55 pmOPO Porto-RDU Raleigh-Durham

15h 00m1 stop Paris Charles de Gaulle

$719KLM

Mon, Apr 19 - Thu, Apr 29

11:20 am - 9:45 amRDU Raleigh-Durham-OPO Porto

17h 25m1 stop Newark

6:00 am - 11:26 pmOPO Porto-RDU Raleigh-Durham

22h 26m2 stops Frankfurt am Main Newark

$721United Airlines

Mon, Apr 19 - Thu, Apr 29

6:25 pm - 10:35 amRDU Raleigh-Durham-OPO Porto

11h 10m1 stop Paris Charles de Gaulle

5:00 am - 11:04 pmOPO Porto-RDU Raleigh-Durham

22h 04m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$721Delta

Wed, Mar 10 - Wed, Mar 17

7:51 pm - 9:45 amRDU Raleigh-Durham-OPO Porto

32h 54m2 stops Washington, D.C. Dulles Intl Newark

6:00 am - 1:55 pmOPO Porto-RDU Raleigh-Durham

36h 55m2 stops Frankfurt am Main Washington, D.C. Dulles Intl

$725United Airlines

Sat, Apr 17 - Wed, Apr 21

2:45 pm - 12:50 pmRDU Raleigh-Durham-OPO Porto

17h 05m2 stops Toronto Pearson Intl Munich Franz Josef Strauss

1:45 pm - 9:51 pmOPO Porto-RDU Raleigh-Durham

37h 06m2 stops Munich Franz Josef Strauss Toronto Pearson Intl

$814Lufthansa

Mon, Nov 16 - Mon, Dec 14

Cheap last minute flights

Enter your travel dates to find the best prices.

2:45 pm - 12:50 pmRDU Raleigh-Durham-OPO Porto

17h 05m2 stops Toronto Pearson Intl Munich Franz Josef Strauss

6:00 am - 9:51 pmOPO Porto-RDU Raleigh-Durham

20h 51m2 stops Frankfurt am Main Toronto Pearson Intl

$785Lufthansa

Mon, Nov 9 - Wed, Nov 18

2:45 pm - 12:50 pmRDU Raleigh-Durham-OPO Porto

17h 05m2 stops Toronto Pearson Intl Munich Franz Josef Strauss

6:00 am - 11:50 pmOPO Porto-RDU Raleigh-Durham

22h 50m2 stops Frankfurt am Main Newark

$787Lufthansa

Mon, Nov 9 - Thu, Nov 19

6:25 pm - 10:35 amRDU Raleigh-Durham-OPO Porto

11h 10m1 stop Paris Charles de Gaulle

5:55 am - 4:15 pmOPO Porto-RDU Raleigh-Durham

15h 20m1 stop Paris Charles de Gaulle

$787Air France

Mon, Nov 9 - Wed, Nov 18

10:01 am - 8:15 amRDU Raleigh-Durham-OPO Porto

17h 14m1 stop New York John F Kennedy Intl

5:55 am - 4:15 pmOPO Porto-RDU Raleigh-Durham

15h 20m1 stop Paris Charles de Gaulle

$788Delta

Sun, Nov 8 - Wed, Nov 18

6:25 pm - 10:00 pmRDU Raleigh-Durham-OPO Porto

22h 35m1 stop Paris Charles de Gaulle

5:55 am - 4:15 pmOPO Porto-RDU Raleigh-Durham

15h 20m1 stop Paris Charles de Gaulle

$788Delta

Mon, Nov 9 - Fri, Nov 20

2:55 pm - 9:30 amRDU Raleigh-Durham-OPO Porto

13h 35m1 stop Newark

6:00 am - 9:19 pmOPO Porto-RDU Raleigh-Durham

20h 19m2 stops Frankfurt am Main Newark

$789United Airlines

Sun, Nov 8 - Fri, Nov 20

8:50 am - 9:30 amRDU Raleigh-Durham-OPO Porto

19h 40m1 stop Newark

6:00 am - 9:39 pmOPO Porto-RDU Raleigh-Durham

20h 39m2 stops Frankfurt am Main Chicago O'Hare Intl

$789United Airlines

Sun, Nov 8 - Wed, Nov 18

6:25 pm - 10:35 amRDU Raleigh-Durham-OPO Porto

11h 10m1 stop Paris Charles de Gaulle

5:00 am - 5:59 pmOPO Porto-RDU Raleigh-Durham

17h 59m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$789Multiple Airlines

Mon, Nov 9 - Tue, Nov 17

1:20 pm - 12:05 pmRDU Raleigh-Durham-OPO Porto

17h 45m2 stops Montreal Pierre Elliott Trudeau Intl Brussels Bruxelles-National

6:00 am - 2:06 pmOPO Porto-RDU Raleigh-Durham

37h 06m2 stops Frankfurt am Main Toronto Pearson Intl

$793Air Canada

Mon, Nov 9 - Fri, Nov 20

1:20 pm - 12:05 pmRDU Raleigh-Durham-OPO Porto

17h 45m2 stops Montreal Pierre Elliott Trudeau Intl Brussels Bruxelles-National

6:00 am - 2:06 pmOPO Porto-RDU Raleigh-Durham

37h 06m2 stops Frankfurt am Main Toronto Pearson Intl

$843Air Canada

Mon, Nov 9 - Sat, Nov 21

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KLM flights from Raleigh to Porto

Our best KLM deals on Raleigh to Porto flight tickets

KLM

Mar 10

RDU6:25 pmRaleigh-Durham

11h 10m

1 stop

OPO10:35 amPorto

Mar 17

OPO5:55 amPorto

15h 20m

1 stop

RDU5:15 pmRaleigh-Durham

$719

KLM

Apr 17

RDU6:10 pmRaleigh-Durham

16h 15m

1 stop

OPO3:25 pmPorto

Apr 21

OPO5:55 amPorto

15h 00m

1 stop

RDU3:55 pmRaleigh-Durham

$769

KLM

Nov 16

RDU6:25 pmRaleigh-Durham

11h 10m

1 stop

OPO10:35 amPorto

Dec 10

OPO10:15 amPorto

16h 20m

1 stop

RDU9:35 pmRaleigh-Durham

$797

Air Canada flights from Raleigh to Porto

Our best Air Canada deals on Raleigh to Porto flight tickets

Air Canada

Mar 19

RDU2:45 pmRaleigh-Durham

40h 30m

2 stops

OPO11:15 amPorto

Apr 1

OPO6:00 amPorto

19h 20m

2 stops

RDU8:20 pmRaleigh-Durham

$774

Air Canada

Nov 17

RDU1:20 pmRaleigh-Durham

17h 45m

2 stops

OPO12:05 pmPorto

Dec 11

OPO6:00 amPorto

20h 51m

2 stops

RDU9:51 pmRaleigh-Durham

$793

Air Canada

Nov 15

RDU2:45 pmRaleigh-Durham

39h 30m

2 stops

OPO11:15 amPorto

Dec 14

OPO12:30 pmPorto

37h 03m

2 stops

RDU8:33 pmRaleigh-Durham

$823

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

RaleighPorto

RDU Raleigh-Durham - OPO Porto

RDUOPO

Raleigh-Durham

Mon 4/19

2:45 pm-7:55 am

2 stops36h 10m

Porto

Thu 4/29

6:00 am-8:20 pm

2 stops19h 20m

$702

RaleighPorto

RDU Raleigh-Durham - OPO Porto

RDUOPO

Raleigh-Durham

Sun 2/21

1:20 pm-12:05 pm

2 stops17h 45m

Porto

Mon 3/1

7:20 pm-9:32 pm

2 stops31h 12m

$705

RaleighPorto

RDU Raleigh-Durham - OPO Porto

RDUOPO

Raleigh-Durham

Tue 3/2

2:45 pm-12:50 pm

2 stops17h 05m

Porto

Thu 3/11

6:00 am-9:49 pm

2 stops44h 49m

$717

Quickest round-trip

RaleighPorto

RDU Raleigh-Durham - OPO Porto

RDUOPO

Raleigh-Durham

Wed 3/10

6:25 pm-10:35 am

1 stop11h 10m

Porto

Wed 3/17

5:55 am-5:15 pm

1 stop15h 20m

$719

RaleighPorto

RDU Raleigh-Durham - OPO Porto

RDUOPO

Raleigh-Durham

Wed 3/10

6:25 pm-10:35 am

1 stop11h 10m

Porto

Wed 3/17

5:55 am-5:15 pm

1 stop15h 20m

$719

RaleighPorto

RDU Raleigh-Durham - OPO Porto

RDUOPO

Raleigh-Durham

Mon 4/19

6:10 pm-3:25 pm

1 stop16h 15m

Porto

Thu 4/29

5:55 am-3:55 pm

1 stop15h 00m

$719

RaleighPorto

RDU Raleigh-Durham - OPO Porto

RDUOPO

Raleigh-Durham

Mon 4/19

11:20 am-9:45 am

1 stop17h 25m

Porto

Thu 4/29

6:00 am-11:26 pm

2 stops22h 26m

$721

RaleighPorto

RDU Raleigh-Durham - OPO Porto

RDUOPO

Raleigh-Durham

Wed 3/10

6:25 pm-10:35 am

1 stop11h 10m

Porto

Wed 3/17

5:00 am-11:04 pm

2 stops22h 04m

$721

RaleighPorto

RDU Raleigh-Durham - OPO Porto

RDUOPO

Raleigh-Durham

Sat 4/17

7:51 pm-9:45 am

2 stops32h 54m

Porto

Wed 4/21

6:00 am-1:55 pm

2 stops36h 55m

$725

RaleighPorto

RDU Raleigh-Durham - OPO Porto

RDUOPO

Raleigh-Durham

Mon 11/16

2:45 pm-12:50 pm

2 stops17h 05m

Porto

Mon 12/14

1:45 pm-9:51 pm

2 stops37h 06m

$814

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 Raleigh 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

Layovers

What is the typical price of a round-trip flight between Raleigh and Porto?

Prices are currently low for flights on this route.

Typical prices usually range from $775 to $1,365.
The lowest price recently found on this route was $702.

What is the cheapest month to fly to Porto?

The month of February is, on average, the cheapest month to fly to Porto from Raleigh, with most prices found around $708. If you aren’t able to travel during the month of February, then book flights to Porto from Raleigh during January instead. Flights to Porto in January, while not as cheap as those in February, still average around $715.

When to book flights from Raleigh to Porto

Are you open to changing your travel dates? Check out the ideal times to fly from Raleigh to Porto according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Raleigh to Porto (RDU to OPO) flight deals and tips

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

Best Price Found	$276
Fastest flight time	11h 10m
Direct flights	None

The best one-way flight to Porto from Raleigh in the past 72 hours is $276. The best round-trip flight deal from Raleigh to Porto found on momondo in the last 72 hours is $702.

The fastest flight from Raleigh to Porto takes 11h 10m

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

Search flight deals

Frequently asked questions about flying from Raleigh to Porto

How far is Raleigh-Durham to Porto by plane?
Raleigh-Durham and Porto are 3700.0 mi apart from one another. Typically, this will take 11h 10m by plane in normal conditions.
When did momondo last update prices for flights from Raleigh-Durham Airport to Porto Airport?
Prices for flights from Raleigh-Durham Airport to Porto Airport are updated daily.
How many operators does momondo search for flights from Raleigh-Durham Airport to Porto Airport?
The number of operators available for flights from Raleigh-Durham Airport to Porto Airport is 6 as of November 2026.
How old do you have to be to fly from Raleigh-Durham Airport 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 Raleigh-Durham Airport to Porto Airport.
What documentation or ID do you need to fly to Porto Airport?
The required travel and health documents for your Porto Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Porto Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Raleigh to Porto?
momondo data reveals that the most frequently booked airline on the route from Raleigh to Porto is United Airlines, representing 46% of all bookings. The subsequent popular airlines are Delta at 21%, Lufthansa at 12%, and American Airlines at 11%.

Best airlines flying from Raleigh to Porto

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

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $572	Free Cancellation	Rating 7.8 8,696 reviews	Search Delta flights
Lufthansa	PriceFrom $664	Free Cancellation	Rating 6.8 8,299 reviews	Search Lufthansa flights
KLM	PriceFrom $742	Free Cancellation	Rating 7.8 1,595 reviews	Search KLM flights
United Airlines	PriceFrom $782	Free Cancellation	Rating 7.3 10,458 reviews	Search United Airlines flights
American Airlines	PriceFrom $810	Free Cancellation	Rating 7.0 12,230 reviews	Search American Airlines flights
Air Canada	PriceFrom $934	Free Cancellation	Rating 7.1 11,852 reviews	Search Air Canada flights

Braga

Coimbra

Vila Nova de Gaia

Aveiro

Pinhao

Esposende

Matosinhos

Chaves

Viseu

Espinho

Arcos de Valdevez

Lamego

Guimarães

Caminha

Penafiel

Ponte de Lima

Mira

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Raleigh to Porto for you.

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

Yes. momondo allows you to filter the results for Raleigh to Porto flights to just show those with flexible booking policies.

How can momondo help me find flights from Raleigh to Porto?

momondo provides multiple filters to help you find the best flight to Porto from Raleigh. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

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

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Cheap flights from Raleigh to Porto from $276

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Raleigh to Porto departing on 2/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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KLM flights from Raleigh to Porto

Our best KLM deals on Raleigh to Porto flight tickets

Air Canada flights from Raleigh to Porto

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How to get the cheapest flight ticket from Raleigh to Porto

What is the typical price of a round-trip flight between Raleigh and Porto?

What is the cheapest month to fly to Porto?

What is the cheapest airline that flies from Raleigh-Durham to Porto?

What airlines fly to Porto?

Which airport is the most popular layover for flights between Raleigh and Porto?

Which layover airport offers the lowest fares from Raleigh to Porto?

Which layover airport has the shortest travel time from Raleigh to Porto?

Which layover airport has the shortest connection time from Raleigh to Porto?

When to book flights from Raleigh to Porto

Cheap Raleigh to Porto (RDU to OPO) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Raleigh to Porto

Best airlines flying from Raleigh to Porto

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

Traveling to a place near Porto?

Why use momondo?

An easier way to manage your Porto trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Portugal

Airports servicing Portugal

Fly your favorite airline to Porto

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Porto

List of cabin classes available on flights landing in Porto. Availability may vary depending on flight origin and airline.

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Popular flights according to clicks in the last 7 days on momondo

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