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$480+ 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 1/29. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — OPO
Jan 15 — Jan 221
Thu 1/15
Thu 1/22
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 December 16, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/247:20 pmRDU - OPO
2 stops37h 50mMultiple Airlines
Wed 12/316:35 pmOPO - RDU
1 stop28h 48mMultiple Airlines
Deal found 12/15$1,607
This KAYAK deal was found by Cheapflights users on 12/16. 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.
Wed 12/173:09 pmRDU - OPO
2 stops14h 56mLufthansa
Wed 12/3112:30 pmOPO - RDU
1 stop30h 15mLufthansa
Deal found 12/16$1,642
This Kiwi.com deal was found by Cheapflights users on 12/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/236:14 pmRDU - OPO
2 stops36h 01mMultiple Airlines
Wed 12/316:35 pmOPO - RDU
1 stop28h 48mMultiple Airlines
Deal found 12/15$1,698
This KAYAK deal was found by Cheapflights users on 12/16. 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.
Mon 12/224:00 pmRDU - OPO
1 stop14h 40mLufthansa
Mon 1/54:10 pmOPO - RDU
2 stops33h 55mLufthansa
Deal found 12/16$1,776
This KAYAK deal was found by Cheapflights users on 12/16. 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.
Wed 12/173:09 pmRDU - OPO
2 stops14h 56mLufthansa
Tue 1/64:00 pmOPO - RDU
2 stops34h 05mLufthansa
Deal found 12/16$1,783
This KAYAK deal was found by Cheapflights users on 12/16. 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.
Sat 12/203:00 pmRDU - OPO
2 stops18h 00mLufthansa
Wed 12/3112:30 pmOPO - RDU
1 stop30h 15mLufthansa
Deal found 12/16$1,822
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Mon 12/224:00 pmRDU - OPO
1 stop14h 40mUnited Airlines
Wed 12/3112:30 pmOPO - RDU
1 stop30h 15mUnited Airlines
Deal found 12/16$1,830
This Kiwi.com deal was found by Cheapflights users on 12/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/207:20 pmRDU - OPO
2 stops37h 50mMultiple Airlines
Wed 12/316:35 pmOPO - RDU
1 stop28h 48mMultiple Airlines
Deal found 12/15$1,870
This Kiwi.com deal was found by Cheapflights users on 12/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/222:35 pmRDU - OPO
2 stops40h 30mMultiple Airlines
Wed 12/316:35 pmOPO - RDU
1 stop28h 48mMultiple Airlines
Deal found 12/15$1,891
This KAYAK deal was found by Cheapflights users on 12/16. 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 12/232:37 pmRDU - OPO
2 stops15h 23mLufthansa
Mon 1/54:10 pmOPO - RDU
2 stops33h 55mLufthansa
Deal found 12/16$1,893
This Kiwi.com deal was found by Cheapflights users on 12/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/248:14 pmRDU - OPO
2 stops42h 26mMultiple Airlines
Tue 1/66:40 pmOPO - RDU
1 stop28h 43mMultiple Airlines
Deal found 12/15$1,904

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 December 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$477
(FlightHub)

One-way from

$290
(Kiwi.com)

Popular in

May

Cheapest in

February

Average price

$709
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. 23% potential increase in price ($302 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 16, 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

Thu 1/29

1:25 pm-11:40 am

2 stops17h 15m

Porto

Thu 2/5

12:05 pm-9:20 pm

2 stops38h 15m

$480

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Fri 1/30

10:00 am-10:30 am

2 stops19h 30m

Porto

Fri 2/6

5:00 am-11:15 pm

2 stops23h 15m

$493

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Tue 2/17

1:20 pm-10:30 am

2 stops16h 10m

Porto

Tue 3/3

5:00 am-4:09 pm

2 stops16h 09m

$493

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Tue 1/27

12:25 pm-10:30 am

2 stops17h 05m

Porto

Tue 2/3

5:00 am-6:37 pm

2 stops18h 37m

$493

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Sat 2/28

10:31 am-9:30 am

2 stops17h 59m

Porto

Thu 3/12

12:35 pm-11:44 pm

2 stops15h 09m

$499

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Fri 2/27

8:00 pm-9:30 am

2 stops32h 30m

Porto

Thu 3/12

12:35 pm-9:55 pm

1 stop13h 20m

$499

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Fri 2/13

6:29 pm-4:00 pm

2 stops16h 31m

Porto

Mon 2/16

8:40 pm-10:42 am

2 stops19h 02m

$510

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Tue 2/17

2:50 pm-2:45 pm

2 stops18h 55m

Porto

Tue 3/3

12:35 pm-2:03 pm

3 stops30h 28m

$519

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Wed 12/24

3:00 pm-10:00 pm

2 stops26h 00m

$966

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Sun 12/21

6:14 pm-3:15 pm

2 stops16h 01m

$969

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 16 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 December 12, 2025.

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 $515). Flying from Durham to Porto in September is currently the most expensive (average of $838). 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 December 16, 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 December 16, 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
8,008 reviews

Comfort

7.9

Entertainment

7.9

Overall

7.9

Boarding

8.1

Crew

8.5

Food

7.3

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
8,008 reviews
Delta
7.9
Good
8,008 reviews

Comfort

7.9

Entertainment

7.9

Overall

7.9

Boarding

8.1

Crew

8.5

Food

7.3

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
9,092 reviews
Delta
7.9
Good
8,008 reviews

Comfort

7.9

Entertainment

7.9

Overall

7.9

Boarding

8.1

Crew

8.5

Food

7.3

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
11,049 reviews
Delta
7.9
Good
8,008 reviews

Comfort

7.9

Entertainment

7.9

Overall

7.9

Boarding

8.1

Crew

8.5

Food

7.3

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.
TAP AIR PORTUGAL
7.2
Good
2,091 reviews
Delta
7.9
Good
8,008 reviews

Comfort

7.9

Entertainment

7.9

Overall

7.9

Boarding

8.1

Crew

8.5

Food

7.3

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
10,531 reviews
Delta
7.9
Good
8,008 reviews

Comfort

7.9

Entertainment

7.9

Overall

7.9

Boarding

8.1

Crew

8.5

Food

7.3

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 5 different airlines.

  • How long is the flight from Durham to Porto?

    Airlines like Delta fly from Durham to Porto in about 19h 30m. 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 $515). Flying from Durham to Porto in September is currently the most expensive (average of $838). 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
Vila Nova de Gaia

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Top 5 airlines flying from Durham to Porto

Discover the top 5 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 December 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$558Average$817FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$638Average$1,294FlexibilityNo cancel feeOn-time67%
DeltaCheapest$650Average$792FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$741Average$1,240FlexibilityNo cancel feeOn-time69%
TAP AIR PORTUGALCheapest$887Average$1,360FlexibilityNo cancel feeOn-timeN/A

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