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$596+ Cheap flights from Raleigh (RDU) 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 3/15. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — OPO
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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Cheap flight deals from Raleigh to Porto

Discover tips and strategies to find the most affordable flight options for your journey from Raleigh (RDU) to Porto (OPO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$596
(Travelocity)

Popular in

June

Cheapest in

January

Average price

$719
Provider with most accurate pricing for Raleigh-Durham-Porto flight deals.
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Provider most trusted by Cheapflights users for Raleigh-Durham-Porto flights.
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From Raleigh-Durham to Porto
Search Deals
Highest demand for flights based on searches. 24% potential increase in price ($342 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($40 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Find flight deals from Raleigh to Porto

Cheapest flights from Raleigh to Porto
Explore the most affordable flight options available from Raleigh to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This Travelocity deal was found by Cheapflights users on 2/20. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/158:08 pmRDU - OPO
2 stops35h 27mMultiple Airlines
Mon 3/244:25 pmOPO - RDU
2 stops45h 28mMultiple Airlines
Deal found 2/20$596
This Ovago deal was found by Cheapflights users on 2/20. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/1510:50 pmRDU - OPO
1 stop16h 25mBritish Airways
Mon 3/2412:25 pmOPO - RDU
2 stops35h 03mBritish Airways
Deal found 2/20$650
This United deal was found by Cheapflights users on 2/19. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/236:21 pmRDU - OPO
1 stop10h 24mUnited Airlines
Tue 11/412:30 pmOPO - RDU
2 stops28h 37mUnited Airlines
Deal found 2/19$693
This Aeromexico deal was found by Cheapflights users on 2/19. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/236:20 pmRDU - OPO
1 stop16h 10mAir France
Tue 11/411:45 amOPO - RDU
1 stop33h 25mAir France
Deal found 2/19$759
This oojo deal was found by Cheapflights users on 2/19. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/146:17 amRDU - OPO
2 stops22h 33mTurkish Airlines
Mon 5/1910:50 amOPO - RDU
2 stops26h 52mTurkish Airlines
Deal found 2/19$867
This Air Canada deal was found by Cheapflights users on 2/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/610:35 amRDU - OPO
2 stops19h 50mAir Canada
Sun 4/136:00 amOPO - RDU
2 stops32h 48mAir Canada
Deal found 2/20$868
This FlightHub deal was found by Cheapflights users on 2/19. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/256:00 amRDU - OPO
2 stops36h 40mTAP AIR PORTUGAL
Sun 6/110:30 pmOPO - RDU
2 stops39h 12mTAP AIR PORTUGAL
Deal found 2/19$971
This SWISS deal was found by Cheapflights users on 2/19. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/59:28 amRDU - OPO
2 stops28h 02mSWISS
Sat 4/1212:15 pmOPO - RDU
2 stops58h 32mSWISS
Deal found 2/19$1,063
This KLM deal was found by Cheapflights users on 2/20. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/66:20 pmRDU - OPO
1 stop16h 10mKLM
Sun 4/136:35 amOPO - RDU
1 stop14h 35mKLM
Deal found 2/20$1,087
This Gurufare deal was found by Cheapflights users on 2/19. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/23:40 pmRDU - OPO
1 stop14h 35mLufthansa
Sat 5/176:15 amOPO - RDU
2 stops19h 08mLufthansa
Deal found 2/19$1,119
This Delta deal was found by Cheapflights users on 2/19. 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 4/56:25 pmRDU - OPO
2 stops16h 05mDelta
Sat 4/126:40 amOPO - RDU
2 stops19h 23mDelta
Deal found 2/19$1,681

Find flights from Raleigh to Porto within your budget

Customize your flight search to find flights from Raleigh 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 February 20, 2025.

Fly from

Raleigh

Fly to

Porto

Route

Depart

Return

Price

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Sat 3/15

8:08 pm-11:35 am

2 stops35h 27m

Porto

Mon 3/24

4:25 pm-9:53 am

2 stops45h 28m

$596

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Sat 3/15

10:50 pm-7:15 pm

1 stop16h 25m

Porto

Mon 3/24

12:25 pm-7:28 pm

2 stops35h 03m

$650

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Fri 3/28

6:00 am-11:40 am

2 stops25h 40m

Porto

Sun 4/6

6:00 am-9:36 am

2 stops32h 36m

$752

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Wed 5/14

6:17 am-9:50 am

2 stops22h 33m

Porto

Mon 5/19

10:50 am-8:42 am

2 stops26h 52m

$867

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Sun 4/6

10:35 am-11:25 am

2 stops19h 50m

Porto

Sun 4/13

6:00 am-9:48 am

2 stops32h 48m

$868

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Sat 4/26

5:10 pm-3:30 pm

2 stops41h 20m

Porto

Sun 5/4

6:35 am-4:10 pm

1 stop14h 35m

$943

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Sun 5/18

6:00 am-10:55 am

1 stop23h 55m

Porto

Sat 5/24

6:05 pm-9:29 am

2 stops44h 24m

$1,036

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Sat 4/5

9:28 am-6:30 pm

2 stops28h 02m

Porto

Sat 4/12

12:15 pm-5:47 pm

2 stops58h 32m

$1,063

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Sun 4/6

6:20 pm-3:30 pm

1 stop16h 10m

Porto

Sun 4/13

6:35 am-4:10 pm

1 stop14h 35m

$1,087

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Fri 5/2

3:40 pm-11:15 am

1 stop14h 35m

Porto

Sat 5/17

6:15 am-8:23 pm

2 stops19h 08m

$1,119

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 12 results
1
2

Compare providers for flights from Raleigh to Porto

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Raleigh to Porto in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star

*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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Raleigh-Porto flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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
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.

Travel insights for flights from Raleigh to Porto

Get recent, data-driven insights about flights from Raleigh to Porto including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Raleigh to Porto?

Use this chart to determine the optimal time to book a round-trip flight from Raleigh to Porto. Price data was last updated on February 14, 2025.

To ensure you get the cheapest price possible for a flight from Raleigh to Porto, you should look to book at least 61 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, January is the cheapest month in which you can book a flight from Raleigh to Porto (average of $523). Flying from Raleigh to Porto in June is currently the most expensive (average of $1,092). 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.

What is the cheapest time of day to fly from RDU to OPO?

Find hourly flight availability from Raleigh to Porto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 20, 2025.

When flying from Raleigh to Porto, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 24% versus a flight in the afternoon.

What is the cheapest day to fly from Raleigh to Porto?

Use this chart to determine the cheapest time to fly round-trip from Raleigh to Porto. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Raleigh to Porto flight should consider departing on Sunday mornings when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Porto by month

Plan your trip to Porto by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Porto ranges from 0.7 - 7.7 inches per month. December is typically the wettest month, when rainfall can reach 7.7 in. July is typically the driest time to visit Porto when rainfall is around 0.7 in.

Temperature in Porto by month

Plan your trip to Porto by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Porto, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

Reviews of airlines servicing Porto

Get insights into the airlines that provide service to Porto. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Porto. Reviews last updated February 20, 2025.
Delta
8.0
Very good
8,219 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,219 reviews
Delta
8.0
Very good
8,219 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
8,219 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

SWISS
7.5
Good
1,568 reviews
Delta
8.0
Very good
8,219 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air France
7.4
Good
1,449 reviews
Delta
8.0
Very good
8,219 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines
7.4
Good
8,765 reviews
Delta
8.0
Very good
8,219 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Raleigh to Porto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    British Airways, at $650, was found to be the cheapest airline from Raleigh to Porto.Alternate airlines to your destination round-trip include United Airlines and Turkish Airlines. These flights start at 38% 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, January is the cheapest month in which you can book a flight from Raleigh to Porto (average of $523). Flying from Raleigh to Porto in June is currently the most expensive (average of $1,092). 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 Raleigh?

Book flights to Raleigh if you plan to visit one of these locations
Aveiro
Coimbra
Matosinhos
Arcos de Valdevez

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Top 6 airlines flying from Raleigh to Porto

Discover the top 6 airlines that operate flights from Raleigh to Porto. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$573Average$919FlexibilityNo cancel feeOn-time71%
KLMCheapest$609Average$966FlexibilityNo cancel feeOn-time75%
Air FranceCheapest$613Average$808FlexibilityNo cancel feeOn-time77%
DeltaCheapest$694Average$920FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$783Average$1,265FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$855Average$1,026FlexibilityNo cancel feeOn-time76%
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