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$269+ 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 9/14. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — OPO
ago. 4 — ago. 111
lun. 8/4
lun. 8/11
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 julio 30, 2025.

Round-trip from

$639
(Mytrip)

One-way from

$269
(Kiwi.com)

Popular in

May

Cheapest in

January

Average price

$1,360
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. 19% potential increase in price ($240 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($33 potential savings vs. average RT price).
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Average for round-trip flights in July 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 julio 30, 2025.

This Ovago deal was found by Cheapflights users on 7/30. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/298:50 pmRDU - OPO
1 stop14h 50mBritish Airways
mar. 1/138:20 amOPO - RDU
2 stops20h 04mBritish Airways
Deal found 7/30$597
This Mytrip deal was found by Cheapflights users on 7/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/178:30 pmRDU - OPO
2 stops21h 05mMultiple Airlines
mar. 9/2310:25 pmOPO - RDU
2 stops26h 05mMultiple Airlines
Deal found 7/28$639
This Air Canada deal was found by Cheapflights users on 7/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/209:00 amRDU - OPO
1 stop19h 20mAir Canada
jue. 9/412:10 pmOPO - RDU
2 stops31h 00mAir Canada
Deal found 7/30$725
This United Airlines deal was found by Cheapflights users on 7/28. 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.
mié. 8/209:00 amRDU - OPO
1 stop19h 20mUnited Airlines
jue. 9/412:10 pmOPO - RDU
2 stops33h 54mUnited Airlines
Deal found 7/28$726
This Ovago deal was found by Cheapflights users on 7/28. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/1211:35 amRDU - OPO
1 stop17h 10mLufthansa
jue. 10/234:35 pmOPO - RDU
1 stop26h 10mLufthansa
Deal found 7/28$766
This American Airlines deal was found by Cheapflights users on 7/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/1710:25 amRDU - OPO
2 stops16h 10mAmerican Airlines
mar. 9/238:15 amOPO - RDU
2 stops16h 15mAmerican Airlines
Deal found 7/29$818
This Cheapflightsfares deal was found by Cheapflights users on 7/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/172:00 pmRDU - OPO
1 stop15h 45mTAP AIR PORTUGAL
dom. 9/215:45 pmOPO - RDU
1 stop20h 22mTAP AIR PORTUGAL
Deal found 7/30$868
This SWISS deal was found by Cheapflights users on 7/30. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/189:23 amRDU - OPO
2 stops21h 02mSWISS
lun. 9/112:50 pmOPO - RDU
2 stops38h 08mSWISS
Deal found 7/30$877

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 julio 30, 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

mié. 9/17

8:30 pm-10:35 pm

2 stops21h 05m

Porto

mar. 9/23

10:25 pm-7:30 pm

2 stops26h 05m

$639

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

mié. 8/20

9:00 am-9:20 am

1 stop19h 20m

Porto

jue. 9/4

12:10 pm-2:10 pm

2 stops31h 00m

$725

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

mié. 8/20

9:00 am-9:20 am

1 stop19h 20m

Porto

jue. 9/4

12:10 pm-5:04 pm

2 stops33h 54m

$726

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

dom. 10/12

11:35 am-9:45 am

1 stop17h 10m

Porto

jue. 10/23

4:35 pm-1:45 pm

1 stop26h 10m

$766

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

mié. 9/17

10:25 am-7:35 am

2 stops16h 10m

Porto

mar. 9/23

8:15 am-7:30 pm

2 stops16h 15m

$818

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

mié. 9/17

2:00 pm-10:45 am

1 stop15h 45m

Porto

dom. 9/21

5:45 pm-9:07 am

1 stop20h 22m

$868

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

lun. 8/18

9:23 am-11:25 am

2 stops21h 02m

Porto

lun. 9/1

12:50 pm-9:58 pm

2 stops38h 08m

$877

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

dom. 9/14

9:49 pm-10:35 pm

2 stops43h 46m

$269

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

mié. 9/17

9:00 am-9:20 am

1 stop19h 20m

$578

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

mié. 9/17

4:40 pm-11:20 pm

2 stops25h 40m

$610

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 13 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 July 25, 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 $1,033). 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 julio 30, 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 julio 30, 2025.
Read reviews from past customers who have flown SWISS, 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.
SWISS
7.5
Good
1,686 reviews

Boarding

7.7

Crew

8.2

Comfort

7.4

Overall

7.5

Food

7.1

Entertainment

6.8

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.
SWISS
7.5
Good
1,686 reviews
SWISS
7.5
Good
1,686 reviews

Boarding

7.7

Crew

8.2

Comfort

7.4

Overall

7.5

Food

7.1

Entertainment

6.8

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.
United Airlines
7.4
Good
8,896 reviews
SWISS
7.5
Good
1,686 reviews

Boarding

7.7

Crew

8.2

Comfort

7.4

Overall

7.5

Food

7.1

Entertainment

6.8

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.
American Airlines
7.2
Good
10,000 reviews
SWISS
7.5
Good
1,686 reviews

Boarding

7.7

Crew

8.2

Comfort

7.4

Overall

7.5

Food

7.1

Entertainment

6.8

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.
Air Canada
7.1
Good
9,837 reviews
SWISS
7.5
Good
1,686 reviews

Boarding

7.7

Crew

8.2

Comfort

7.4

Overall

7.5

Food

7.1

Entertainment

6.8

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.
TAP AIR PORTUGAL
7.1
Good
1,930 reviews
SWISS
7.5
Good
1,686 reviews

Boarding

7.7

Crew

8.2

Comfort

7.4

Overall

7.5

Food

7.1

Entertainment

6.8

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.

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.

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

    $578 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Lufthansa and Air Canada, with prices starting from $610 and $645, respectively.

  • 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 $1,033). 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
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 julio 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$608Average$919FlexibilityNo cancel feeOn-time71%
KLMCheapest$609Average$975FlexibilityNo cancel feeOn-time75%
DeltaCheapest$659Average$851FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$741Average$1,279FlexibilityNo cancel feeOn-time69%
TAP AIR PORTUGALCheapest$797Average$1,360FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$823Average$1,299FlexibilityNo cancel feeOn-time76%

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