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$376+ Cheap flights from Durham, NC 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 2/15. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — OPO
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap 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 January 29, 2026.

This United Airlines deal was found by Cheapflights users on 1/27. 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.
Tue 4/211:15 pm
RDU
-
OPO
2 stops15h 30m
United Airlines
Tue 5/56:00 am
OPO
-
RDU
2 stops35h 11m
United Airlines
Deal found 1/27$492
This Delta deal was found by Cheapflights users on 1/28. 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.
Mon 3/169:54 am
RDU
-
OPO
2 stops20h 36m
Delta
Mon 3/2311:25 am
OPO
-
RDU
2 stops27h 40m
Delta
Deal found 1/28$500
This KAYAK deal was found by Cheapflights users on 1/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/213:05 pm
RDU
-
OPO
1 stop13h 40m
Lufthansa
Tue 4/286:00 am
OPO
-
RDU
2 stops22h 44m
Lufthansa
Deal found 1/28$508
This American Airlines deal was found by Cheapflights users on 1/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2711:01 am
RDU
-
OPO
2 stops15h 39m
American Airlines
Thu 5/78:20 am
OPO
-
RDU
2 stops15h 44m
American Airlines
Deal found 1/27$511
This Gurufare deal was found by Cheapflights users on 1/28. 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.
Mon 4/277:50 pm
RDU
-
OPO
2 stops22h 35m
Lufthansa
Thu 5/76:20 am
OPO
-
RDU
2 stops23h 10m
Lufthansa
Deal found 1/28$518
This Orbitz deal was found by Cheapflights users on 1/27. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/41:10 pm
RDU
-
OPO
2 stops17h 35m
Iberia
Sun 3/88:40 pm
OPO
-
RDU
2 stops29h 11m
Iberia
Deal found 1/27$522
This United Airlines deal was found by Cheapflights users on 1/27. 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.
Tue 3/1710:30 am
RDU
-
OPO
2 stops19h 00m
United Airlines
Tue 3/316:00 am
OPO
-
RDU
2 stops22h 44m
United Airlines
Deal found 1/27$528
This Mytrip deal was found by Cheapflights users on 1/27. 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.
Tue 4/218:40 pm
RDU
-
OPO
1 stop31h 25m
British Airways
Tue 5/58:20 am
OPO
-
RDU
2 stops31h 10m
British Airways
Deal found 1/27$530
This Finnair deal was found by Cheapflights users on 1/28. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/218:40 pm
RDU
-
OPO
1 stop17h 50m
Multiple Airlines
Tue 4/288:40 pm
OPO
-
RDU
1 stop24h 55m
Multiple Airlines
Deal found 1/28$535
This United Airlines deal was found by Cheapflights users on 1/28. 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.
Sat 2/2810:00 am
RDU
-
OPO
2 stops18h 30m
United Airlines
Thu 3/1212:35 pm
OPO
-
RDU
1 stop13h 20m
United Airlines
Deal found 1/28$551

Find flight deals from Durham to Porto

Keep the following information in mind while searching for Durham to Porto flight deals. Data was last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$492
(United Airlines)

One-way from

$376
(Kiwi.com)

Popular in

May

Cheapest in

February

Average price

$803
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 Durham to Porto
Search Deals
One-way flight from Durham to Porto
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($193 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($37 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 29, 2026.
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

Tue 4/21

1:15 pm-9:45 am

2 stops15h 30m

Porto

Tue 5/5

6:00 am-12:11 pm

2 stops35h 11m

$492

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Tue 4/21

6:00 am-9:45 am

2 stops22h 45m

Porto

Tue 4/28

6:00 am-9:36 am

2 stops32h 36m

$492

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Mon 3/16

9:54 am-10:30 am

2 stops20h 36m

Porto

Mon 3/23

11:25 am-11:05 am

2 stops27h 40m

$500

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Tue 4/21

8:40 pm-9:05 am

1 stop31h 25m

Porto

Tue 5/5

8:20 am-10:30 am

2 stops31h 10m

$530

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Sat 2/28

10:00 am-9:30 am

2 stops18h 30m

Porto

Thu 3/12

12:35 pm-11:44 pm

2 stops15h 09m

$551

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Sun 3/15

1:23 pm-10:30 am

2 stops17h 07m

Porto

Mon 3/23

11:25 am-8:06 am

2 stops24h 41m

$576

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Thu 4/9

4:20 pm-9:50 am

2 stops36h 30m

Porto

Tue 4/14

8:20 am-10:30 am

2 stops31h 10m

$582

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Wed 3/4

1:26 pm-11:10 am

2 stops40h 44m

Porto

Sun 3/8

4:15 pm-2:45 pm

1 stop26h 30m

$594

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Sun 2/15

12:02 pm-11:00 pm

3 stops29h 58m

$376

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Sun 7/5

4:45 pm-6:50 am

2 stops33h 05m

$423

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 18 results
1
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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 January 23, 2026.

The best time to book flights from Durham to Porto is 76 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, January is the cheapest month in which you can book a flight from Durham to Porto (average of $523). Flying from Durham to Porto in September is currently the most expensive (average of $841). 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.

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 January 29, 2026.
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
8,127 reviews

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.8

Overall

7.9

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,127 reviews
Delta
7.9
Good
8,127 reviews

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.8

Overall

7.9

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,215 reviews
Delta
7.9
Good
8,127 reviews

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.8

Overall

7.9

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,206 reviews
Delta
7.9
Good
8,127 reviews

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.8

Overall

7.9

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Air Canada
7.1
Good
10,667 reviews
Delta
7.9
Good
8,127 reviews

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.8

Overall

7.9

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Lufthansa
6.8
Okay
7,756 reviews
Delta
7.9
Good
8,127 reviews

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.8

Overall

7.9

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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 7 different airlines.

  • How long is the flight from Durham to Porto?

    Airlines like United Airlines, Delta, and Lufthansa fly from Durham to Porto in about 13h 40m. The time it takes to get you to your destination can typically vary by up to 6h 56m. The distance from Durham to Porto is about 3699 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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, January is the cheapest month in which you can book a flight from Durham to Porto (average of $523). Flying from Durham to Porto in September is currently the most expensive (average of $841). 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
Aveiro
Arcos de Valdevez
Coimbra

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Top 7 airlines flying from Durham to Porto

Discover the top 7 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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$558Average$817FlexibilityNo cancel feeOn-time71%
DeltaCheapest$597Average$760FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$618Average$948FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$638Average$1,294FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$701Average$1,100FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$769Average$823FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$887Average$1,360FlexibilityNo cancel feeOn-timeN/A

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