Porto

$286+ Cheap flights from Raleigh (RDU) to Porto (OPO)

RDU — OPO
Dec 12 — Dec 191
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Raleigh 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.

Cheap flight deals from Raleigh to Porto

Cheapest flights from Raleigh to Porto

Mon 12/286:25 pm -
1 stop11h 10m
Tue 1/1211:15 am -
2 stops35h 27m
Deal found 11/8$740
Tue 12/296:00 am -
2 stops23h 35m
Tue 1/1211:15 am -
2 stops35h 27m
Deal found 11/8$745
Wed 12/305:15 am -
2 stops22h 00m
Tue 1/1211:15 am -
2 stops35h 27m
Deal found 11/8$746
Tue 12/13:03 pm -
1 stop13h 27m
Tue 12/156:00 am -
2 stops37h 01m
Deal found 11/10$787
Thu 12/318:00 am -
2 stops21h 35m
Tue 1/1211:15 am -
2 stops35h 27m
Deal found 11/7$795
Tue 12/1510:57 am -
1 stop17h 33m
Fri 1/226:00 am -
2 stops20h 59m
Deal found 11/12$818
Mon 12/286:25 pm -
1 stop11h 10m
Fri 1/811:15 am -
2 stops16h 56m
Deal found 11/8$819
Tue 12/1512:54 pm -
2 stops15h 36m
Thu 1/216:00 am -
2 stops17h 47m
Deal found 11/12$822
Tue 12/296:00 am -
2 stops23h 35m
Thu 1/75:00 am -
2 stops18h 55m
Deal found 11/8$823
Wed 12/306:30 am -
2 stops20h 45m
Fri 1/811:15 am -
2 stops16h 56m
Deal found 11/8$824

Find flight deals from Raleigh to Porto

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$696
(Expedia)

One-way from

$286
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,027
Provider with most accurate pricing for Raleigh-Durham-Porto flight deals.
Provider most trusted by Cheapflights users for Raleigh-Durham-Porto flights.
From Raleigh-Durham to Porto
One-way flight from Raleigh-Durham to Porto
Highest demand for flights based on searches. 3% potential increase in price ($36 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($34 potential savings vs. average RT price).
Average for round-trip flights in November 2026

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Raleigh to Porto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

RaleighPorto

RDU Raleigh-Durham - OPO Porto

RDUOPO

Raleigh-Durham

Wed 3/3

6:25 pm-10:35 am

1 stop11h 10m

Porto

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$333

RaleighPorto

RDU Raleigh-Durham - OPO Porto

RDUOPO

Raleigh-Durham

Tue 2/23

10:52 am-9:30 am

1 stop17h 38m

Porto

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$334

RaleighPorto

RDU Raleigh-Durham - OPO Porto

RDUOPO

Raleigh-Durham

Tue 3/2

10:52 am-9:30 am

1 stop17h 38m

Porto

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$334

RaleighPorto

RDU Raleigh-Durham - OPO Porto

RDUOPO

Raleigh-Durham

Sun 12/27

6:25 pm-10:35 am

1 stop11h 10m

Porto

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$537

RaleighPorto

RDU Raleigh-Durham - OPO Porto

RDUOPO

Raleigh-Durham

Wed 1/6

6:25 pm-10:35 am

1 stop11h 10m

Porto

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$537

RaleighPorto

RDU Raleigh-Durham - OPO Porto

RDUOPO

Raleigh-Durham

Mon 1/4

6:25 pm-10:35 am

1 stop11h 10m

Porto

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$537

RaleighPorto

RDU Raleigh-Durham - OPO Porto

RDUOPO

Raleigh-Durham

Mon 12/28

3:08 pm-9:30 am

2 stops13h 22m

Porto

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$538

RaleighPorto

RDU Raleigh-Durham - OPO Porto

RDUOPO

Raleigh-Durham

Sat 12/26

7:29 pm-8:15 am

1 stop31h 46m

Porto

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$551

RaleighPorto

RDU Raleigh-Durham - OPO Porto

RDUOPO

Raleigh-Durham

Sat 1/2

7:29 pm-8:15 am

1 stop31h 46m

Porto

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$551

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

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/12

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

Compare providers for flights from Raleigh to Porto

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Raleigh to Porto in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Raleigh-Porto flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Raleigh-Porto flight deals on Cheapflights vs. Ovago >95% of the time. Price accuracy is based on data collected from Raleigh-Porto flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Raleigh-Porto flights, Cheapflights users trust Ovago the most. Ovago has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Raleigh-Porto flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Raleigh to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Raleigh with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Raleigh to Porto

What is the cheapest month to book a flight from Raleigh to Porto?

Currently, February is the cheapest month in which you can book a flight from Raleigh to Porto (average of $708). Flying from Raleigh to Porto in December is currently the most expensive (average of $1,371). 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.

How much does it cost to fly round-trip from Raleigh to Porto?

Airfare is below average for this route at the moment.

Raleigh to Porto flights typically cost between $775 and $1,365 in February.
The cheapest round-trip price found within the last 5 days was $696 on Multiple Airlines (Feb 15-Feb 25).

Reviews of airlines servicing Porto

Peruse reviews from past customers who have flown with Delta,United Airlines, andAir Canada from Raleigh to Porto to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.8

Overall

7.8

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.2

Reviews

1 / 20
6.0
Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.

Entertainment

7.8

Overall

7.8

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.2

Reviews

1 / 20
6.0
Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.

Entertainment

7.8

Overall

7.8

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.2

Reviews

1 / 20
6.0
Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.

Entertainment

7.8

Overall

7.8

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.2

Reviews

1 / 20
6.0
Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.

Entertainment

7.8

Overall

7.8

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.2

Reviews

1 / 20
6.0
Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.

Entertainment

7.8

Overall

7.8

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.2

Reviews

1 / 20
6.0
Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.

Related info for your journey

  • How long is the flight from Raleigh to Porto?

    KLM and United Airlines can get you from Raleigh to Porto in just under 11h 10m. Your travel time can differ by up to 2h 31m. There are 3699 mi between Raleigh and Porto. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Raleigh to Porto round-trip?

    Delta, at $572, was found to be the cheapest airline from Raleigh to Porto.Alternate airlines to your destination round-trip include Lufthansa and KLM. These flights start at 42% lower than the current average price 3 months from now.

  • Can I find deals for flights from Raleigh to Porto that include hotel bookings?

    Yes. In addition to deals on Raleigh to Porto flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Raleigh to Porto?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Raleigh to Porto.

  • Can I find deals for business class flights from Raleigh to Porto?

    Yes. Cheapflights offers flight deals from Raleigh 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 Raleigh to Porto?

    Currently, February is the cheapest month in which you can book a flight from Raleigh to Porto (average of $708). Flying from Raleigh to Porto in December is currently the most expensive (average of $1,371). 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 Porto?

Book flights to Porto if you plan to visit one of these locations
Vila Nova de Gaia
Arcos de Valdevez
Coimbra
Aveiro

Browse thousands of different options on Cheapflights for your next trip

Top 6 airlines flying from Raleigh to Porto

AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$572Average$899FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$664Average$827FlexibilityNo cancel feeOn-time76%
KLMCheapest$742Average$1,029FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$782Average$1,210FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$810Average$893FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$934Average$986FlexibilityNo cancel feeOn-time67%

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.