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$531+ Cheap flights from Durham, NC 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 11/28. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — OPO
Nov 30 — Dec 71
Sun 11/30
Sun 12/7
1 adult, Economy
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Cheap flight deals from Durham to Porto

Keep the following information in mind while searching for Durham to Porto flight deals. Data was last updated October 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$492
(Delta)

Popular in

May

Cheapest in

January

Average price

$887
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 Durham to Porto
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($269 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($35 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Durham to Porto

Cheapest flights from Durham to Porto
Explore the most affordable flight options available from Durham to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 31, 2025.

This Booking.com deal was found by Cheapflights users on 10/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/288:00 pmRDU - OPO
2 stops22h 40mMultiple Airlines
Fri 12/56:00 amOPO - RDU
2 stops20h 33mMultiple Airlines
Deal found 10/29$531
This United Airlines deal was found by Cheapflights users on 10/29. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/166:39 pmRDU - OPO
1 stop9h 51mUnited Airlines
Sun 11/236:00 amOPO - RDU
2 stops16h 43mUnited Airlines
Deal found 10/29$733
This Cheapflightsfares deal was found by Cheapflights users on 10/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/161:30 pmRDU - OPO
2 stops27h 55mLufthansa
Sun 11/236:00 amOPO - RDU
2 stops17h 49mLufthansa
Deal found 10/29$737
This Cheapflightsfares deal was found by Cheapflights users on 10/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/308:00 pmRDU - OPO
2 stops23h 40mLufthansa
Thu 11/66:00 amOPO - RDU
2 stops22h 40mLufthansa
Deal found 10/29$772
This Mytrip deal was found by Cheapflights users on 10/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/131:25 pmRDU - OPO
2 stops24h 30mMultiple Airlines
Sat 12/204:05 pmOPO - RDU
3 stops34h 28mMultiple Airlines
Deal found 10/30$1,032

Cheapflights Fare Finder

 
Customize your flight search to find flights from Durham 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 October 31, 2025.
Use the filters below to find and compare flights from Durham to Porto that are best for you.

Fly from

Durham

Fly to

Porto

Route

Depart

Return

Price

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Fri 11/28

8:00 pm-11:40 pm

2 stops22h 40m

Porto

Fri 12/5

6:00 am-9:33 pm

2 stops20h 33m

$531

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Sun 11/16

6:39 pm-9:30 am

1 stop9h 51m

Porto

Sun 11/23

6:00 am-5:43 pm

2 stops16h 43m

$733

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Sun 11/16

1:30 pm-10:25 pm

2 stops27h 55m

Porto

Sun 11/23

6:00 am-6:49 pm

2 stops17h 49m

$737

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Sat 12/13

1:25 pm-6:55 pm

2 stops24h 30m

Porto

Sat 12/20

4:05 pm-9:33 pm

3 stops34h 28m

$1,032

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Sat 12/13

3:15 pm-11:40 pm

2 stops27h 25m

Porto

Sat 12/20

6:15 am-9:33 pm

2 stops20h 18m

$1,143

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Sat 12/13

6:00 am-9:50 am

2 stops22h 50m

Porto

Sat 12/20

8:55 am-11:42 pm

2 stops19h 47m

$1,167

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Sat 11/22

1:25 pm-12:50 pm

2 stops18h 25m

Porto

Sat 11/29

6:00 am-11:40 pm

2 stops22h 40m

$1,295

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Best time to book a flight from Durham to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Durham 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 Durham to Porto

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

Use this chart to determine the optimal time to book a round-trip flight from Durham to Porto. Price data was last updated on October 24, 2025.

The best time to book flights from Durham to Porto is 61 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, February is the cheapest month in which you can book a flight from Durham to Porto (average of $571). Flying from Durham to Porto in June is currently the most expensive (average of $1,081). 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 DU8 to OPO?

Find hourly flight availability from Durham 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 October 31, 2025.

One of the essential ways to save on airfare from Durham to Porto is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 34% on airfare.

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

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

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

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

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 October 31, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from Durham to Porto. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,998 reviews

Overall

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,998 reviews
Delta
7.9
Good
7,998 reviews

Overall

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,998 reviews
Delta
7.9
Good
7,998 reviews

Overall

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,035 reviews
Delta
7.9
Good
7,998 reviews

Overall

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
TAP AIR PORTUGAL
7.1
Good
2,040 reviews
Delta
7.9
Good
7,998 reviews

Overall

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Lufthansa
6.8
Okay
7,541 reviews
Delta
7.9
Good
7,998 reviews

Overall

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Related info for your journey

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

  • What airport do you fly into for flights to Porto from Durham?

    Located just 6.8 mi from the city center, Porto is the airport most travelers will use when flying to Porto from Durham. Booking flights from Durham to Porto (OPO) should be relatively easy as there are 0 daily inbound flights from Durham from 6 different airlines.

  • How long is the flight from Durham to Porto?

    Airlines like United Airlines fly from Durham to Porto in about 9h 51m. The time it takes to get you to your destination can typically vary by up to . The distance from Durham to Porto is about 3699 mi.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Durham to Porto (average of $571). Flying from Durham to Porto in June is currently the most expensive (average of $1,081). 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
Aveiro
Arcos de Valdevez
Coimbra

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Top 6 airlines flying from Durham to Porto

Discover the top 6 airlines that operate flights from Durham 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 October 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$558Average$887FlexibilityNo cancel feeOn-time71%
LufthansaCheapest$633Average$1,192FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$638Average$1,294FlexibilityNo cancel feeOn-time67%
DeltaCheapest$650Average$792FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$741Average$1,274FlexibilityNo cancel feeOn-time69%
TAP AIR PORTUGALCheapest$887Average$1,360FlexibilityNo cancel feeOn-timeN/A

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