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Portugal

$240+ 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 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — LIS
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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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 January 29, 2026.

This oojo deal was found by Cheapflights users on 1/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/147:35 pm
RDU
-
LIS
1 stop19h 45m
Icelandair
Thu 2/199:20 pm
LIS
-
RDU
1 stop26h 15m
Icelandair
Deal found 1/29$399
This Icelandair deal was found by Cheapflights users on 1/28. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/257:35 pm
RDU
-
LIS
1 stop19h 45m
Icelandair
Sun 3/19:20 pm
LIS
-
RDU
1 stop26h 15m
Icelandair
Deal found 1/28$426
This oojo deal was found by Cheapflights users on 1/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/117:35 pm
RDU
-
LIS
1 stop19h 45m
Icelandair
Thu 2/199:20 pm
LIS
-
RDU
1 stop26h 15m
Icelandair
Deal found 1/28$457
This Gotogate deal was found by Cheapflights users on 1/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/191:25 pm
RDU
-
LIS
1 stop14h 55m
Multiple Airlines
Thu 11/265:00 am
LIS
-
RDU
1 stop13h 45m
Multiple Airlines
Deal found 1/28$469
This Gotogate deal was found by Cheapflights users on 1/27. 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.
Wed 4/89:30 am
RDU
-
LIS
2 stops21h 15m
Multiple Airlines
Wed 4/155:05 am
LIS
-
RDU
1 stop13h 40m
Multiple Airlines
Deal found 1/27$485
This United Airlines deal was found by Cheapflights users on 1/28. 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.
Mon 4/277:50 pm
RDU
-
LIS
1 stop9h 40m
United Airlines
Thu 5/75:05 am
LIS
-
RDU
1 stop13h 40m
United Airlines
Deal found 1/28$486
This United Airlines deal was found by Cheapflights users on 1/27. 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.
Sat 2/282:50 pm
RDU
-
LIS
2 stops14h 25m
United Airlines
Sat 3/75:00 am
LIS
-
RDU
1 stop13h 45m
United Airlines
Deal found 1/27$490
This United Airlines deal was found by Cheapflights users on 1/27. 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.
Tue 4/211:15 pm
RDU
-
OPO
2 stops15h 30m
United Airlines
Tue 5/56:00 am
OPO
-
RDU
2 stops35h 11m
United Airlines
Deal found 1/27$492
This Expedia deal was found by Cheapflights users on 1/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/207:50 pm
RDU
-
LIS
2 stops21h 55m
Lufthansa
Tue 4/285:05 am
LIS
-
RDU
1 stop13h 40m
Lufthansa
Deal found 1/28$494
This oojo deal was found by Cheapflights users on 1/26. 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.
Wed 2/251:01 pm
RDU
-
LIS
2 stops20h 49m
British Airways
Wed 3/411:05 am
LIS
-
RDU
1 stop14h 31m
British Airways
Deal found 1/26$495
This Delta deal was found by Cheapflights users on 1/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/169:54 am
RDU
-
OPO
2 stops20h 36m
Delta
Mon 3/2311:25 am
OPO
-
RDU
2 stops27h 40m
Delta
Deal found 1/28$500
This KAYAK deal was found by Cheapflights users on 1/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/213:05 pm
RDU
-
OPO
1 stop13h 40m
Lufthansa
Tue 4/286:00 am
OPO
-
RDU
2 stops22h 44m
Lufthansa
Deal found 1/28$508

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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$399
(oojo)

One-way from

$240
(Iberia)

Popular in

June

Cheapest in

January

Average price

$554
Provider with most accurate pricing for Raleigh-Durham-Lisbon Humberto Delgado flight deals.
Search Deals
Provider most trusted by Cheapflights users for Raleigh-Durham-Lisbon Humberto Delgado flights.
Search Deals
From Durham to Portugal
Search Deals
One-way flight from Durham to Portugal
Search Deals
Highest demand for flights based on searches. 26% potential increase in price ($320 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($40 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 29, 2026.
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 2/25

7:35 pm-8:20 pm

1 stop19h 45m

Lisbon Humberto Delgado

Sun 3/1

9:20 pm-6:35 pm

1 stop26h 15m

$426

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

Sun 3/22

10:30 am-10:15 am

1 stop19h 45m

Lisbon Humberto Delgado

Mon 3/30

5:05 am-1:45 pm

1 stop13h 40m

$486

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

Sat 2/28

2:50 pm-10:15 am

2 stops14h 25m

Lisbon Humberto Delgado

Sat 3/7

5:00 am-1:45 pm

1 stop13h 45m

$490

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

Mon 4/13

3:02 pm-8:20 am

2 stops12h 18m

Lisbon Humberto Delgado

Mon 4/20

5:05 am-1:45 pm

1 stop13h 40m

$490

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Tue 4/21

1:15 pm-9:45 am

2 stops15h 30m

Porto

Tue 5/5

6:00 am-12:11 pm

2 stops35h 11m

$492

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Tue 4/21

6:00 am-9:45 am

2 stops22h 45m

Porto

Tue 4/28

6:00 am-9:36 am

2 stops32h 36m

$492

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

Wed 2/25

6:15 am-10:15 am

1 stop23h 00m

Lisbon Humberto Delgado

Sun 3/1

5:00 am-11:44 pm

2 stops23h 44m

$496

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

Wed 2/25

8:00 pm-10:15 am

1 stop9h 15m

Lisbon Humberto Delgado

Wed 3/4

5:00 am-6:51 pm

2 stops18h 51m

$496

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Mon 3/16

9:54 am-10:30 am

2 stops20h 36m

Porto

Mon 3/23

11:25 am-11:05 am

2 stops27h 40m

$500

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

Mon 4/27

10:38 am-8:20 am

2 stops16h 42m

Lisbon Humberto Delgado

Thu 5/7

5:05 am-9:35 am

2 stops33h 30m

$501

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 51 results
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6

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 $818). 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.

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 January 29, 2026.
Read through reviews of airlines operating flights from Durham to Portugal, such as Delta, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,125 reviews

Food

7.2

Boarding

8.1

Comfort

7.9

Overall

7.9

Crew

8.5

Entertainment

7.8

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
8,125 reviews
Delta
7.9
Good
8,125 reviews

Food

7.2

Boarding

8.1

Comfort

7.9

Overall

7.9

Crew

8.5

Entertainment

7.8

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
9,215 reviews
Delta
7.9
Good
8,125 reviews

Food

7.2

Boarding

8.1

Comfort

7.9

Overall

7.9

Crew

8.5

Entertainment

7.8

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
11,199 reviews
Delta
7.9
Good
8,125 reviews

Food

7.2

Boarding

8.1

Comfort

7.9

Overall

7.9

Crew

8.5

Entertainment

7.8

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
7.1
Good
2,130 reviews
Delta
7.9
Good
8,125 reviews

Food

7.2

Boarding

8.1

Comfort

7.9

Overall

7.9

Crew

8.5

Entertainment

7.8

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.
Lufthansa
6.8
Okay
7,752 reviews
Delta
7.9
Good
8,125 reviews

Food

7.2

Boarding

8.1

Comfort

7.9

Overall

7.9

Crew

8.5

Entertainment

7.8

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 15h 30m. The time it takes to get you to your destination can typically vary by up to 5h 06m. Airlines will cover a distance of 3699 mi. This flight may include one or multiple stops.

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

    $217 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on TAP AIR PORTUGAL and United Airlines, with prices starting from $373 and $386, respectively.

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

    While some choose either Raleigh-Durham - Porto or Raleigh-Durham - Faro, Raleigh-Durham - Lisbon Humberto Delgado is the most popular route 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 $818). 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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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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$374Average$514FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$454Average$1,121FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$478Average$1,000FlexibilityNo cancel feeOn-time70%
KLMCheapest$505Average$895FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$526Average$1,042FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$547Average$972FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$547Average$1,051FlexibilityNo cancel feeOn-time69%
DeltaCheapest$550Average$836FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$553Average$867FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$620Average$1,131FlexibilityNo cancel feeOn-time67%

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