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$285+ 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 11/2. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — OPO
oct. 15 — oct. 221
mié. 10/15
mié. 10/22
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 septiembre 15, 2025.

Round-trip from

$532
(United Airlines)

One-way from

$285
(Kiwi.com)

Popular in

May

Cheapest in

January

Average price

$1,068
From Durham to Porto
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One-way flight from Durham to Porto
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Highest demand for flights based on searches. 20% potential increase in price ($260 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($38 potential savings vs. average RT price).
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Average for round-trip flights in September 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 septiembre 15, 2025.

This United Airlines deal was found by Cheapflights users on 9/13. 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.
lun. 10/203:22 pmRDU - OPO
1 stop13h 23mUnited Airlines
mié. 11/56:00 amOPO - RDU
2 stops22h 30mUnited Airlines
Deal found 9/13$532
This United Airlines deal was found by Cheapflights users on 9/13. 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.
mar. 10/285:20 pmRDU - OPO
1 stop12h 10mUnited Airlines
mar. 11/46:00 amOPO - RDU
2 stops22h 41mUnited Airlines
Deal found 9/13$540
This United Airlines deal was found by Cheapflights users on 9/13. 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.
lun. 10/205:52 pmRDU - OPO
1 stop10h 53mUnited Airlines
vie. 11/76:00 amOPO - RDU
2 stops32h 28mUnited Airlines
Deal found 9/13$545
This United deal was found by Cheapflights users on 9/15. 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.
mié. 11/193:15 pmRDU - OPO
1 stop13h 15mMultiple Airlines
mié. 11/264:15 pmOPO - RDU
1 stop26h 50mMultiple Airlines
Deal found 9/15$549
This Air Canada deal was found by Cheapflights users on 9/13. 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.
mar. 10/219:00 amRDU - OPO
2 stops21h 30mAir Canada
mar. 11/46:00 amOPO - RDU
2 stops37h 08mAir Canada
Deal found 9/13$553
This United Airlines deal was found by Cheapflights users on 9/13. 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.
sáb. 10/257:45 pmRDU - OPO
2 stops33h 45mUnited Airlines
mar. 11/46:00 amOPO - RDU
2 stops20h 47mUnited Airlines
Deal found 9/13$555
This United Airlines deal was found by Cheapflights users on 9/13. 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.
sáb. 10/257:45 pmRDU - OPO
2 stops33h 45mUnited Airlines
mié. 11/512:35 pmOPO - RDU
2 stops16h 06mUnited Airlines
Deal found 9/13$558
This United Airlines deal was found by Cheapflights users on 9/13. 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.
sáb. 10/257:45 pmRDU - OPO
2 stops33h 45mUnited Airlines
vie. 11/76:00 amOPO - RDU
2 stops37h 15mUnited Airlines
Deal found 9/13$560
This United Airlines deal was found by Cheapflights users on 9/14. 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.
mié. 11/58:00 pmRDU - OPO
2 stops14h 25mUnited Airlines
vie. 11/146:00 amOPO - RDU
2 stops20h 47mUnited Airlines
Deal found 9/14$567

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 septiembre 15, 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

dom. 10/26

10:35 am-9:30 am

2 stops18h 55m

Porto

mar. 11/4

6:00 am-9:47 pm

2 stops20h 47m

$532

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

lun. 10/20

3:22 pm-9:45 am

1 stop13h 23m

Porto

mié. 11/5

6:00 am-11:30 pm

2 stops22h 30m

$532

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

mié. 10/22

5:52 pm-9:45 am

1 stop10h 53m

Porto

mar. 11/4

6:00 am-9:47 pm

2 stops20h 47m

$532

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

lun. 10/20

5:52 pm-9:45 am

1 stop10h 53m

Porto

mar. 11/4

6:00 am-9:47 pm

2 stops20h 47m

$532

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

lun. 10/20

5:52 pm-9:45 am

1 stop10h 53m

Porto

jue. 11/6

12:35 pm-9:33 am

2 stops25h 58m

$535

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

dom. 10/26

5:06 pm-9:30 am

1 stop12h 24m

Porto

jue. 11/6

12:35 pm-11:41 pm

2 stops16h 06m

$535

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

mié. 10/22

5:52 pm-9:45 am

1 stop10h 53m

Porto

jue. 11/6

12:35 pm-11:41 pm

2 stops16h 06m

$535

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

mar. 10/28

5:20 pm-9:30 am

1 stop12h 10m

Porto

mar. 11/4

6:00 am-11:41 pm

2 stops22h 41m

$540

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

dom. 11/2

9:39 pm-9:15 pm

3 stops42h 36m

$285

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

mar. 9/23

2:33 pm-8:10 am

2 stops36h 37m

$300

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 11 results
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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 September 12, 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, 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 June is currently the most expensive (average of $1,027). 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 septiembre 15, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Durham to Porto as you normally would.

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 afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 septiembre 15, 2025.
Read reviews from past customers who have flown Delta, KLM, and United 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
8.0
Very good
7,954 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,954 reviews
Delta
8.0
Very good
7,954 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,385 reviews
Delta
8.0
Very good
7,954 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,929 reviews
Delta
8.0
Very good
7,954 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,954 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Lufthansa
6.8
Okay
7,407 reviews
Delta
8.0
Very good
7,954 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 fly from Durham to Porto in about 18h 55m. 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, 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 June is currently the most expensive (average of $1,027). 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 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 septiembre 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$558Average$887FlexibilityNo cancel feeOn-time71%
KLMCheapest$609Average$975FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$633Average$1,192FlexibilityNo cancel feeOn-time76%
DeltaCheapest$659Average$844FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$741Average$1,274FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$883Average$1,294FlexibilityNo cancel feeOn-time67%
TAP AIR PORTUGALCheapest$887Average$1,360FlexibilityNo cancel feeOn-timeN/A

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