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

Delta, at $995, was found to be the cheapest airline from Raleigh to Porto.Alternate airlines to your destination round-trip include United Airlines and TAP AIR PORTUGAL. These flights start at 6% lower than the current average price 3 months from now.

What are the cheapest airlines to fly from Raleigh to Porto one-way?

To fly one-way, consider booking your trip with KLM, which is currently one of the cheapest options available, starting at $622. TAP AIR PORTUGAL flights start at $778 while deals on United Airlines start at $828 one-way.

What are the most popular airlines that fly from Raleigh to Porto?

When booking a flight from Raleigh to Porto, you may want to consider flying on American Airlines, Air France or Delta as they are the most popular for this route.

What is the cheapest day to fly round-trip from Raleigh to Porto?

Departing on a Monday is a good option for securing a great price. You can expect to save up to 67% when planning your travel around this day of the week.

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

To save on the cost of your flight from Raleigh to Porto, book at least 14 days before your planned departure. Booking around this time can save you about 137% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $592 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $1,407.

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

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, January can be a great choice for travel to Porto. Flights to Porto from Raleigh in January are about $1,059 on average during January, but can be found for as low as $585.

Most accurate provider : When it comes to deals on Raleigh-Porto flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Raleigh-Porto flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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.

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.

$338+ Flights from Raleigh to Porto - Compare & Save Big

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Cheap flight deals from Raleigh to Porto

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$795 (Mytrip)
One-way from	$338 (Kiwi.com)
Popular in	June
Cheapest in	January
Average price	$1,143

Provider with most accurate pricing for Raleigh-Durham-Porto flight deals.

Search Deals

Provider most trusted by Cheapflights users for Raleigh-Durham-Porto flights.

Search Deals

From Raleigh-Durham to Porto

Search Deals

One-way flight from Raleigh-Durham to Porto

Search Deals

Highest demand for flights based on searches. 25% potential increase in price ($369 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($51 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

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 April 29, 2025.

Tue 10/219:00 amRDU - OPO

2 stops21h 30mAir Canada

Thu 11/66:00 amOPO - RDU

2 stops39h 08mAir Canada

Deal found 4/28

$640

Tue 10/215:54 pmRDU - OPO

1 stop10h 51mUnited Airlines

Wed 11/56:00 amOPO - RDU

2 stops17h 58mUnited Airlines

Deal found 4/28

$642

Tue 10/216:20 pmRDU - OPO

1 stop16h 10mMultiple Airlines

Tue 11/45:00 amOPO - RDU

2 stops16h 41mMultiple Airlines

Deal found 4/28

$655

Wed 10/226:40 pmRDU - OPO

2 stops15h 55mKLM

Tue 11/45:00 amOPO - RDU

2 stops17h 59mKLM

Deal found 4/28

$665

Thu 10/232:29 pmRDU - OPO

2 stops16h 11mAmerican Airlines

Tue 11/48:20 amOPO - RDU

2 stops20h 07mAmerican Airlines

Deal found 4/29

$682

Tue 10/213:40 pmRDU - OPO

1 stop19h 05mLufthansa

Wed 11/54:30 pmOPO - RDU

1 stop26h 45mLufthansa

Deal found 4/28

$690

Sat 10/115:45 pmRDU - OPO

2 stops41h 05mTurkish Airlines

Sun 10/1910:45 amOPO - RDU

2 stops27h 15mTurkish Airlines

Deal found 4/29

$871

Sun 6/297:59 pmRDU - OPO

2 stops16h 51mDelta

Fri 8/16:40 amOPO - RDU

2 stops21h 39mDelta

Deal found 4/28

$995

Wed 5/2810:20 amRDU - OPO

2 stops32h 25mTAP AIR PORTUGAL

Fri 6/69:00 amOPO - RDU

2 stops28h 42mTAP AIR PORTUGAL

Deal found 4/28

$1,023

Thu 6/126:20 pmRDU - OPO

1 stop16h 10mAir France

Thu 6/194:20 pmOPO - RDU

1 stop28h 50mAir France

Deal found 4/28

$1,351

Best flights from Raleigh to Porto
Discover carefully curated flight deals from Raleigh to Porto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 29, 2025.

Fri 6/63:55 pmRDU - OPO

2 stops25h 55mMultiple Airlines

Fri 6/132:40 pmOPO - RDU

2 stops32h 01mMultiple Airlines

Deal found 4/28

$795

Sun 6/297:59 pmRDU - OPO

2 stops16h 51mDelta

Fri 8/16:40 amOPO - RDU

2 stops20h 20mDelta

Deal found 4/29

$995

Thu 7/33:40 pmRDU - OPO

1 stop14h 35mUnited Airlines

Thu 7/1012:10 pmOPO - RDU

2 stops30h 49mUnited Airlines

Deal found 4/29

$1,020

Wed 5/2810:20 amRDU - OPO

2 stops32h 25mTAP AIR PORTUGAL

Fri 6/69:00 amOPO - RDU

2 stops28h 42mTAP AIR PORTUGAL

Deal found 4/28

$1,023

Thu 7/39:00 amRDU - OPO

2 stops21h 15mAir Canada

Thu 7/1012:10 pmOPO - RDU

2 stops27h 35mAir Canada

Deal found 4/29

$1,036

Sat 6/146:47 amRDU - OPO

2 stops27h 18mTurkish Airlines

Sun 6/2210:45 amOPO - RDU

2 stops26h 46mTurkish Airlines

Deal found 4/29

$1,161

Thu 6/121:12 pmRDU - OPO

2 stops13h 23mAmerican Airlines

Sun 6/158:15 amOPO - RDU

2 stops19h 39mAmerican Airlines

Deal found 4/29

$1,277

Thu 6/126:20 pmRDU - OPO

1 stop16h 10mKLM

Sun 6/156:35 amOPO - RDU

1 stop14h 35mKLM

Deal found 4/28

$1,280

Thu 6/126:20 pmRDU - OPO

1 stop16h 10mAir France

Thu 6/194:20 pmOPO - RDU

1 stop28h 50mAir France

Deal found 4/28

$1,351

Tue 6/246:15 pmRDU - OPO

2 stops20h 40mIberia

Wed 7/28:35 pmOPO - RDU

2 stops24h 05mIberia

Deal found 4/29

$3,358

Tue 6/243:10 pmRDU - OPO

2 stops15h 05mLufthansa

Wed 7/24:35 pmOPO - RDU

1 stop26h 10mLufthansa

Deal found 4/29

$3,372

Last-minute flights from Raleigh to Porto
Discover last-minute flight deals from Raleigh to Porto. Data last updated April 29, 2025 and is based on user searches.

Tue 4/293:40 pmRDU - OPO

1 stop19h 05mLufthansa

Fri 5/912:05 pmOPO - RDU

1 stop30h 40mLufthansa

Deal found 4/29

$2,200

Fri 5/26:00 amRDU - OPO

2 stops28h 50mTurkish Airlines

Sat 5/174:50 pmOPO - RDU

2 stops45h 09mTurkish Airlines

Deal found 4/28

$1,260

Mon 5/56:20 pmRDU - OPO

1 stop10h 25mUnited Airlines

Sat 5/1012:35 pmOPO - RDU

1 stop13h 45mUnited Airlines

Deal found 4/27

$2,112

Mon 5/262:22 pmRDU - OPO

1 stop15h 08mMultiple Airlines

Wed 6/116:30 pmOPO - RDU

2 stops53h 21mMultiple Airlines

Deal found 4/29

$838

Mon 5/261:05 pmRDU - OPO

2 stops15h 40mUnited Airlines

Wed 6/1112:35 pmOPO - RDU

2 stops16h 27mUnited Airlines

Deal found 4/29

$1,115

Wed 5/2810:20 amRDU - OPO

2 stops32h 25mTAP AIR PORTUGAL

Fri 6/69:00 amOPO - RDU

2 stops28h 42mTAP AIR PORTUGAL

Deal found 4/28

$1,023

Wed 5/289:00 amRDU - OPO

2 stops21h 25mAir Canada

Fri 6/66:00 amOPO - RDU

2 stops20h 47mAir Canada

Deal found 4/29

$1,123

One-way flights from Raleigh to Porto
Search for one-way flight options from Raleigh to Porto. Find affordable one-way fares based on user searches. Data last updated April 29, 2025.

Tue 7/158:00 amRDU - OPO

3 stops33h 15mMultiple Airlines

Deal found 4/28

$338

Tue 7/156:20 pmRDU - OPO

1 stop16h 10mKLM

Deal found 4/28

$622

Wed 5/2810:20 amRDU - OPO

1 stop19h 25mTAP AIR PORTUGAL

Deal found 4/28

$778

Sun 6/225:44 pmRDU - OPO

1 stop11h 01mUnited Airlines

Deal found 4/28

$828

Fri 6/134:40 pmRDU - OPO

2 stops35h 55mAir Canada

Deal found 4/29

$885

Fri 5/912:49 pmRDU - OPO

2 stops48h 11mRoyal Air Maroc

Deal found 4/28

$934

Fri 5/94:05 pmRDU - OPO

2 stops42h 00mTurkish Airlines

Deal found 4/29

$1,081

Fri 5/93:40 pmRDU - OPO

1 stop14h 35mLufthansa

Deal found 4/29

$1,180

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

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Tue 10/21

9:00 am-11:30 am

2 stops21h 30m

Porto

Thu 11/6

6:00 am-4:08 pm

2 stops39h 08m

$640

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Tue 10/21

5:54 pm-9:45 am

1 stop10h 51m

Porto

Wed 11/5

6:00 am-6:58 pm

2 stops17h 58m

$642

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Tue 10/21

6:20 pm-3:30 pm

1 stop16h 10m

Porto

Tue 11/4

5:00 am-4:41 pm

2 stops16h 41m

$655

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Wed 10/22

6:40 pm-3:35 pm

2 stops15h 55m

Porto

Tue 11/4

5:00 am-5:59 pm

2 stops17h 59m

$665

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Thu 10/23

2:29 pm-11:40 am

2 stops16h 11m

Porto

Tue 11/4

8:20 am-11:27 pm

2 stops20h 07m

$682

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Tue 10/21

3:40 pm-3:45 pm

1 stop19h 05m

Porto

Wed 11/5

4:30 pm-2:15 pm

1 stop26h 45m

$690

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Sat 10/11

5:45 pm-3:50 pm

2 stops41h 05m

Porto

Sun 10/19

10:45 am-9:00 am

2 stops27h 15m

$871

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Sun 6/29

7:59 pm-5:50 pm

2 stops16h 51m

Porto

Fri 8/1

6:40 am-10:00 pm

2 stops20h 20m

$995

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Wed 5/28

10:20 am-11:45 pm

2 stops32h 25m

Porto

Fri 6/6

9:00 am-8:42 am

2 stops28h 42m

$1,023

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Thu 6/12

6:20 pm-3:30 pm

1 stop16h 10m

Porto

Thu 6/19

4:20 pm-4:10 pm

1 stop28h 50m

$1,351

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 19 results

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 April.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Raleigh-Porto flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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.

Cheapflights Insights

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

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

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 $1,071). 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?

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?

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

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

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

Delta

8.0

Very good

7,929 reviews

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

7,929 reviews

Delta

8.0

Very good

7,929 reviews

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

7,929 reviews

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

1,444 reviews

Delta

8.0

Very good

7,929 reviews

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

8,696 reviews

Delta

8.0

Very good

7,929 reviews

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.

Turkish Airlines

7.3

Good

3,788 reviews

Delta

8.0

Very good

7,929 reviews

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

What are the cheapest airlines flying from Raleigh to Porto round-trip?
Delta, at $995, was found to be the cheapest airline from Raleigh to Porto.Alternate airlines to your destination round-trip include United Airlines and TAP AIR PORTUGAL. These flights start at 6% lower than the current average price 3 months from now.
What are the cheapest airlines to fly from Raleigh to Porto one-way?
To fly one-way, consider booking your trip with KLM, which is currently one of the cheapest options available, starting at $622. TAP AIR PORTUGAL flights start at $778 while deals on United Airlines start at $828 one-way.
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 $1,071). 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

Aveiro

Coimbra

Matosinhos

Arcos de Valdevez

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Alternative routes for Raleigh to Porto

Other flights to Porto

Top 6 airlines flying from Raleigh to Porto

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$573	Average$872	FlexibilityNo cancel fee	On-time71%
Air France	Cheapest$583	Average$643	FlexibilityNo cancel fee	On-time77%
KLM	Cheapest$609	Average$975	FlexibilityNo cancel fee	On-time75%
Delta	Cheapest$685	Average$929	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$741	Average$1,301	FlexibilityNo cancel fee	On-time69%
Lufthansa	Cheapest$864	Average$1,026	FlexibilityNo cancel fee	On-time76%

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$338+ Cheap flights from Raleigh (RDU) to Porto (OPO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/15. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Raleigh to Porto with Cheapflights

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2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Raleigh to Porto

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Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

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Find flight deals from Raleigh to Porto

Cheapest flights from Raleigh to PortoExplore 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 April 29, 2025.

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 April 29, 2025.

Cheapflights Fare Finder

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

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 April.

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.

Cheapflights Insights

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

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 April 25, 2025.

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

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 April 29, 2025.

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.

Rainfall in Porto by month

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

Temperature in Porto by month

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

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 April 29, 2025.

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?

What are the cheapest airlines to fly from Raleigh to Porto one-way?

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

How can I find direct flights from Raleigh to Porto?

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

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

Traveling to a place near Raleigh?

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Alternative routes for Raleigh to Porto

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from Raleigh to Porto

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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 April 29, 2025.