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$258+ 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 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — OPO
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$589
(United Airlines)

One-way from

$258
(Kiwi.com)

Popular in

May

Cheapest in

January

Average price

$1,294
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. 16% potential increase in price ($211 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/12. 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.
Wed 10/225:52 pmRDU - OPO
1 stop10h 53mUnited Airlines
Wed 11/56:00 amOPO - RDU
2 stops22h 41mUnited Airlines
Deal found 6/12$589
This Air Canada deal was found by Cheapflights users on 6/10. 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.
Mon 12/12:00 pmRDU - OPO
2 stops17h 50mAir Canada
Mon 12/86:00 amOPO - RDU
2 stops43h 50mAir Canada
Deal found 6/10$615
This Air France deal was found by Cheapflights users on 6/12. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/226:20 pmRDU - OPO
1 stop16h 10mAir France
Tue 11/411:45 amOPO - RDU
2 stops16h 20mAir France
Deal found 6/12$621
This Delta deal was found by Cheapflights users on 6/12. 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.
Wed 10/226:20 pmRDU - OPO
1 stop16h 10mDelta
Tue 11/411:45 amOPO - RDU
1 stop33h 25mDelta
Deal found 6/12$623
This Air France deal was found by Cheapflights users on 6/12. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/226:40 pmRDU - OPO
2 stops15h 50mMultiple Airlines
Wed 11/511:15 amOPO - RDU
2 stops16h 37mMultiple Airlines
Deal found 6/12$639
This American Airlines deal was found by Cheapflights users on 6/12. 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.
Thu 10/2312:12 pmRDU - OPO
2 stops14h 23mAmerican Airlines
Tue 11/48:20 amOPO - RDU
2 stops20h 07mAmerican Airlines
Deal found 6/12$657
This Lufthansa deal was found by Cheapflights users on 6/12. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/243:40 pmRDU - OPO
1 stop14h 35mLufthansa
Wed 11/56:00 amOPO - RDU
2 stops20h 47mLufthansa
Deal found 6/12$660
This KLM deal was found by Cheapflights users on 6/12. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/241:50 pmRDU - OPO
2 stops15h 50mKLM
Wed 11/511:45 amOPO - RDU
2 stops16h 20mKLM
Deal found 6/12$701
This Travelocity deal was found by Cheapflights users on 6/9. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1412:49 pmRDU - OPO
2 stops13h 46mIberia
Thu 8/2112:20 pmOPO - RDU
2 stops16h 31mIberia
Deal found 6/9$832
This Cheapflightsfares deal was found by Cheapflights users on 6/12. 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.
Tue 9/91:47 pmRDU - OPO
2 stops19h 18mTAP AIR PORTUGAL
Mon 9/2910:35 pmOPO - RDU
2 stops26h 12mTAP AIR PORTUGAL
Deal found 6/12$891
This Gotogate deal was found by Cheapflights users on 6/9. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/251:09 pmRDU - OPO
2 stops21h 46mBritish Airways
Fri 8/111:15 amOPO - RDU
2 stops33h 22mBritish Airways
Deal found 6/9$1,092

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 June 12, 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

Wed 10/22

5:52 pm-9:45 am

1 stop10h 53m

Porto

Wed 11/5

6:00 am-11:41 pm

2 stops22h 41m

$589

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Mon 12/1

2:00 pm-12:50 pm

2 stops17h 50m

Porto

Mon 12/8

6:00 am-8:50 pm

2 stops43h 50m

$615

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Wed 10/22

6:20 pm-3:30 pm

1 stop16h 10m

Porto

Tue 11/4

11:45 am-11:05 pm

2 stops16h 20m

$621

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Wed 10/22

6:20 pm-3:30 pm

1 stop16h 10m

Porto

Tue 11/4

11:45 am-4:10 pm

1 stop33h 25m

$623

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Wed 10/22

6:40 pm-3:30 pm

2 stops15h 50m

Porto

Wed 11/5

11:15 am-10:52 pm

2 stops16h 37m

$639

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Thu 10/23

12:12 pm-7:35 am

2 stops14h 23m

Porto

Tue 11/4

8:20 am-11:27 pm

2 stops20h 07m

$657

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Fri 10/24

3:40 pm-11:15 am

1 stop14h 35m

Porto

Wed 11/5

6:00 am-9:47 pm

2 stops20h 47m

$660

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Fri 10/24

1:50 pm-10:40 am

2 stops15h 50m

Porto

Wed 11/5

11:45 am-11:05 pm

2 stops16h 20m

$701

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Thu 8/14

12:49 pm-7:35 am

2 stops13h 46m

Porto

Thu 8/21

12:20 pm-11:51 pm

2 stops16h 31m

$832

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Tue 9/9

1:47 pm-2:05 pm

2 stops19h 18m

Porto

Mon 9/29

10:35 pm-7:47 pm

2 stops26h 12m

$891

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 17 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 June 9, 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 $1,047). 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 June 12, 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.

Rainfall in Porto by month

Plan your trip to Porto by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Porto ranges from 0.7 - 7.7 inches per month. December is typically the wettest month, when rainfall can reach 7.7 in. July is typically the driest time to visit Porto when rainfall is around 0.7 in.

Temperature in Porto by month

Plan your trip to Porto by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Porto, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

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 June 12, 2025.
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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
1,358 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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!
Air France
7.5
Good
1,463 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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 6 different airlines.

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

    $569 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on United Airlines and Lufthansa, with prices starting from $583 and $661, 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 $1,047). 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 Durham?

Book flights to Durham if you plan to visit one of these locations
Aveiro
Coimbra
Matosinhos
Arcos de Valdevez

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$573Average$919FlexibilityNo cancel feeOn-time71%
Air FranceCheapest$583Average$643FlexibilityNo cancel feeOn-time77%
KLMCheapest$609Average$975FlexibilityNo cancel feeOn-time75%
DeltaCheapest$659Average$887FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$741Average$1,275FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$823Average$1,299FlexibilityNo cancel feeOn-time76%

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