Portugal

$217+ Cheap flights from Durham, NC to Portugal

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 1/7. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — LIS
Jan 15 — Jan 221
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Cheap flight deals from Durham to Portugal

Cheapest flights from Durham to Portugal
Explore the most affordable flight options available from Durham to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 16, 2025.

This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/297:40 pmRDU - LIS
2 stops22h 50mLufthansa
Mon 1/126:50 pmLIS - RDU
2 stops27h 54mLufthansa
Deal found 12/15$572
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2910:45 amRDU - LIS
1 stop18h 30mUnited Airlines
Mon 1/125:00 amLIS - RDU
2 stops17h 44mUnited Airlines
Deal found 12/15$582
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/298:45 pmRDU - LIS
1 stop20h 10mAmerican Airlines
Mon 1/1211:05 amLIS - RDU
1 stop11h 19mAmerican Airlines
Deal found 12/16$654
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/298:17 pmRDU - LIS
2 stops20h 38mBritish Airways
Mon 1/126:35 pmLIS - RDU
2 stops27h 49mBritish Airways
Deal found 12/16$706
This Finnair 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/248:45 pmRDU - LIS
1 stop20h 05mMultiple Airlines
Sun 12/2811:05 amLIS - RDU
1 stop12h 11mMultiple Airlines
Deal found 12/16$787
This United Airlines deal was found by Cheapflights users on 12/14. 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.
Thu 12/1810:45 amRDU - LIS
1 stop18h 30mUnited Airlines
Tue 12/2311:20 amLIS - RDU
2 stops39h 28mUnited Airlines
Deal found 12/14$816
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/247:40 pmRDU - LIS
1 stop9h 35mLufthansa
Sun 12/2811:55 amLIS - RDU
1 stop16h 49mLufthansa
Deal found 12/15$831
This oojo deal was found by Cheapflights users on 12/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/1510:30 amRDU - PDL
2 stops23h 35mMultiple Airlines
Mon 12/225:50 pmPDL - RDU
1 stop27h 31mMultiple Airlines
Deal found 12/14$1,088
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

Find flight deals from Durham to Portugal

Keep the following information in mind while searching for Durham to Portugal flight deals. Data was last updated December 16, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$434
(Kiwi.com)

One-way from

$217
(oojo)

Popular in

June

Cheapest in

November

Average price

$840
Provider with most accurate pricing for Raleigh-Durham-Lisbon Humberto Delgado flight deals.
Provider most trusted by Cheapflights users for Raleigh-Durham-Lisbon Humberto Delgado flights.
From Durham to Portugal
One-way flight from Durham to Portugal
Highest demand for flights based on searches. 25% potential increase in price ($322 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($41 potential savings vs. average RT price).
Average for round-trip flights in December 2025

Cheapflights Fare Finder

 
Customize your flight search to find flights from Durham to Portugal 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 Portugal that are best for you.

Fly from

Durham

Fly to

Portugal

Route

Depart

Return

Price

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

Wed 1/14

7:35 pm-8:20 pm

1 stop19h 45m

Lisbon Humberto Delgado

Thu 1/29

9:20 pm-6:35 pm

1 stop26h 15m

$470

RaleighFaro

RDU - FAO

RDUFAO

Raleigh-Durham

Tue 2/17

3:03 pm-1:20 pm

2 stops17h 17m

Faro

Tue 2/24

7:00 pm-9:14 pm

2 stops31h 14m

$479

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

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

Thu 1/15

1:25 pm-9:20 am

1 stop14h 55m

Lisbon Humberto Delgado

Thu 1/29

5:00 am-1:45 pm

1 stop13h 45m

$483

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

Tue 1/13

1:25 pm-9:20 am

1 stop14h 55m

Lisbon Humberto Delgado

Sat 1/24

11:20 am-4:21 pm

3 stops34h 01m

$485

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

Tue 1/13

1:25 pm-9:20 am

1 stop14h 55m

Lisbon Humberto Delgado

Tue 1/20

11:20 am-2:06 pm

3 stops31h 46m

$485

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

Thu 1/15

1:25 pm-9:20 am

1 stop14h 55m

Lisbon Humberto Delgado

Sat 1/24

11:20 am-4:21 pm

3 stops34h 01m

$485

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

Wed 1/14

9:30 am-9:20 am

1 stop18h 50m

Lisbon Humberto Delgado

Mon 1/26

5:00 am-1:45 pm

1 stop13h 45m

$486

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

Thu 1/15

11:18 am-9:20 am

2 stops17h 02m

Lisbon Humberto Delgado

Mon 1/26

5:00 am-1:45 pm

1 stop13h 45m

$487

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

Fri 1/16

3:40 pm-8:10 am

1 stop11h 30m

Lisbon Humberto Delgado

Thu 1/22

11:20 am-4:21 pm

3 stops34h 01m

$487

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 53 results
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Best time to book a flight from Durham to Portugal

Have a flexible travel schedule? Discover the best time to fly to Portugal 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 Portugal

What is the cheapest month to book a flight from Durham to Portugal?

Currently, January is the cheapest month in which you can book a flight from Durham to Portugal (average of $374). Flying from Durham to Portugal in July is currently the most expensive (average of $809). 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 PT?

Find hourly flight availability from Durham to Portugal. 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.

It’s typically best to fly out from Durham to Portugal in the afternoon. Doing so could potentially save you 8% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from Durham to Portugal?

Use this chart to determine the cheapest time to fly round-trip from Durham to Portugal. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Durham to Portugal flight should consider departing on Saturday evenings 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 Portugal

Get insights into the airlines that provide service to Portugal. 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 Portugal. Reviews last updated December 16, 2025.
Read through reviews of airlines operating flights from Durham to Portugal, such as Delta, Air France, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.9

Crew

8.5

Overall

7.9

Food

7.3

Boarding

8.1

Comfort

7.9

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.

Entertainment

7.9

Crew

8.5

Overall

7.9

Food

7.3

Boarding

8.1

Comfort

7.9

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.

Entertainment

7.9

Crew

8.5

Overall

7.9

Food

7.3

Boarding

8.1

Comfort

7.9

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.

Entertainment

7.9

Crew

8.5

Overall

7.9

Food

7.3

Boarding

8.1

Comfort

7.9

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.

Entertainment

7.9

Crew

8.5

Overall

7.9

Food

7.3

Boarding

8.1

Comfort

7.9

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.

Entertainment

7.9

Crew

8.5

Overall

7.9

Food

7.3

Boarding

8.1

Comfort

7.9

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 Portugal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from Durham to Portugal?

    Airlines like Icelandair, United Airlines, and Delta fly from Durham to Portugal in about 14h 55m. The time it takes to get you to your destination can typically vary by up to 4h 50m. Airlines will cover a distance of 3734 mi. This flight may include one or multiple stops.

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

    $373 is the cheapest one-way deal found within the past few days, from TAP AIR PORTUGAL. You may also be able to find cheap deals on United Airlines and Delta, with prices starting from $386 and $420, respectively.

  • What are the most popular routes from Durham to Portugal?

  • Can I find deals for flights from Durham to Portugal that include hotel bookings?

    Yes. In addition to deals on Durham to Portugal flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Durham to Portugal?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Durham to Portugal.

  • Can I find deals for business class flights from Durham to Portugal?

    Yes. Cheapflights offers flight deals from Durham to Portugal 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 Portugal?

    Currently, January is the cheapest month in which you can book a flight from Durham to Portugal (average of $374). Flying from Durham to Portugal in July is currently the most expensive (average of $809). 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

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Alternative routes for Durham to Portugal

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Durham to Portugal

Discover the top 10 airlines that operate flights from Durham to Portugal. 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
IcelandairCheapest$374Average$514FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$478Average$1,026FlexibilityNo cancel feeOn-time70%
KLMCheapest$505Average$842FlexibilityNo cancel feeOn-time75%
Air FranceCheapest$553Average$837FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$558Average$985FlexibilityNo cancel feeOn-time71%
DeltaCheapest$567Average$848FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$570Average$1,101FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$595Average$1,198FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$620Average$1,132FlexibilityNo cancel feeOn-time67%
TAP AIR PORTUGALCheapest$718Average$1,094FlexibilityNo cancel feeOn-timeN/A

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