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Portugal

$272+ Cheap flights from Raleigh (RDU) 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 4/19. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — LIS
Apr 21 — Apr 281
Tue 4/21
Tue 4/28
1 adult, Economy
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Cheap flight deals from Raleigh to Portugal

Cheapest flights from Raleigh to Portugal
Explore the most affordable flight options available from Raleigh to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 22, 2026.

This FlightHub deal was found by Cheapflights users on 3/21. 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.
Sat 11/147:35 pm
RDU
-
LIS
1 stop12h 15m
Icelandair
Sun 11/222:00 pm
LIS
-
RDU
1 stop33h 35m
Icelandair
Deal found 3/21$633
This FlightHub deal was found by Cheapflights users on 3/17. 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.
Sat 11/141:25 pm
RDU
-
LIS
1 stop14h 55m
Multiple Airlines
Sat 11/215:00 am
LIS
-
RDU
1 stop13h 45m
Multiple Airlines
Deal found 3/17$653
This United Airlines deal was found by Cheapflights users on 3/20. 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 11/147:51 pm
RDU
-
LIS
1 stop9h 24m
United Airlines
Sat 11/215:00 am
LIS
-
RDU
1 stop13h 45m
United Airlines
Deal found 3/20$654
This United Airlines deal was found by Cheapflights users on 3/20. 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 12/297:51 pm
RDU
-
LIS
1 stop9h 24m
United Airlines
Sat 1/95:00 am
LIS
-
RDU
1 stop13h 45m
United Airlines
Deal found 3/20$655
This United Airlines deal was found by Cheapflights users on 3/18. 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 4/1610:38 am
RDU
-
FAO
2 stops19h 42m
United Airlines
Wed 4/223:25 pm
FAO
-
RDU
2 stops30h 53m
United Airlines
Deal found 3/18$658
This Expedia deal was found by Cheapflights users on 3/17. 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.
Fri 4/177:50 pm
RDU
-
LIS
2 stops21h 55m
Lufthansa
Mon 4/205:05 am
LIS
-
RDU
1 stop13h 40m
Lufthansa
Deal found 3/17$661
This FlightHub deal was found by Cheapflights users on 3/17. 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.
Sat 11/141:25 pm
RDU
-
LIS
1 stop14h 55m
Multiple Airlines
Sun 11/225:00 am
LIS
-
RDU
2 stops23h 33m
Multiple Airlines
Deal found 3/17$663
This United Airlines deal was found by Cheapflights users on 3/20. 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 11/147:51 pm
RDU
-
LIS
1 stop9h 24m
United Airlines
Sun 11/225:00 am
LIS
-
RDU
2 stops23h 33m
United Airlines
Deal found 3/20$664
This United Airlines deal was found by Cheapflights users on 3/19. 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 11/166:00 pm
RDU
-
OPO
1 stop10h 30m
United Airlines
Fri 11/2012:35 pm
OPO
-
RDU
2 stops26h 51m
United Airlines
Deal found 3/19$681
This United Airlines deal was found by Cheapflights users on 3/16. 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 12/74:15 pm
RDU
-
OPO
1 stop14h 25m
United Airlines
Fri 12/116:00 am
OPO
-
RDU
2 stops17h 25m
United Airlines
Deal found 3/16$682
This KLM deal was found by Cheapflights users on 3/18. 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.
Wed 10/146:10 pm
RDU
-
OPO
1 stop16h 15m
KLM
Tue 10/206:15 am
OPO
-
RDU
1 stop14h 40m
KLM
Deal found 3/18$716
This KLM deal was found by Cheapflights users on 3/18. 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.
Wed 10/146:10 pm
RDU
-
OPO
1 stop16h 15m
KLM
Mon 10/194:25 pm
OPO
-
RDU
1 stop28h 30m
KLM
Deal found 3/18$729

Find flight deals from Raleigh to Portugal

Keep the following information in mind while searching for Raleigh to Portugal flight deals. Data was last updated March 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$658
(United Airlines)

One-way from

$272
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$770
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 Raleigh-Durham to Portugal
Search Deals
One-way flight from Raleigh-Durham to Portugal
Search Deals
Highest demand for flights based on searches. 27% potential increase in price ($330 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Raleigh 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 March 22, 2026.
Use the filters below to find and compare flights from Raleigh to Portugal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

RaleighFaro

RDU - FAO

RDUFAO

Raleigh-Durham

Thu 4/16

10:38 am-11:20 am

2 stops19h 42m

Faro

Wed 4/22

3:25 pm-5:18 pm

2 stops30h 53m

$658

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Thu 4/16

8:40 pm-8:30 pm

1 stop18h 50m

Porto

Wed 4/29

8:20 pm-4:50 pm

1 stop25h 30m

$778

RaleighFaro

RDU - FAO

RDUFAO

Raleigh-Durham

Thu 4/16

3:40 pm-2:30 pm

1 stop17h 50m

Faro

Wed 4/22

3:25 pm-1:45 pm

1 stop27h 20m

$793

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Thu 4/9

7:00 am-3:40 pm

2 stops51h 40m

Porto

Thu 4/16

4:40 pm-10:05 pm

2 stops58h 25m

$796
Quickest round-trip

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

Tue 8/11

4:00 pm-9:20 am

1 stop12h 20m

Lisbon Humberto Delgado

Tue 9/15

11:25 am-9:31 pm

1 stop15h 06m

$826

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Tue 5/12

6:47 pm-3:30 pm

2 stops15h 43m

Porto

Fri 5/22

9:25 am-8:42 pm

2 stops16h 17m

$863

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Mon 4/6

6:10 pm-3:25 pm

1 stop16h 15m

Porto

Mon 4/13

6:30 am-3:55 pm

1 stop14h 25m

$865

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

Sun 4/12

3:05 pm-10:30 am

2 stops14h 25m

Lisbon Humberto Delgado

Tue 4/28

10:25 am-6:50 pm

2 stops13h 25m

$867

RaleighPonta Delgada

RDU - PDL

RDUPDL

Raleigh-Durham

Tue 8/18

8:30 am-9:45 am

2 stops21h 15m

Ponta Delgada Nordela

Fri 8/28

5:30 pm-9:30 am

1 stop20h 00m

$881

RaleighFunchal

RDU - FNC

RDUFNC

Raleigh-Durham

Sat 5/2

8:58 am-7:50 am

2 stops41h 52m

Funchal Madeira

Sat 5/9

7:35 pm-11:50 pm

2 stops33h 15m

$887

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/18

Showing 1-10 of 60 resultsSorted by cheapest first
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6

Best time to book a flight from Raleigh to Portugal

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

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

Currently, January is the cheapest month in which you can book a flight from Raleigh to Portugal (average of $374). Flying from Raleigh 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 March 22, 2026.
See what other customers who have flown with Delta,United Airlines, andAmerican Airlines from Raleigh to Portugal have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,315 reviews

Comfort

7.9

Crew

8.5

Boarding

8.1

Overall

7.9

Food

7.2

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
8,315 reviews
Delta
7.9
Good
8,315 reviews

Comfort

7.9

Crew

8.5

Boarding

8.1

Overall

7.9

Food

7.2

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
9,459 reviews
Delta
7.9
Good
8,315 reviews

Comfort

7.9

Crew

8.5

Boarding

8.1

Overall

7.9

Food

7.2

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
7.1
Good
11,485 reviews
Delta
7.9
Good
8,315 reviews

Comfort

7.9

Crew

8.5

Boarding

8.1

Overall

7.9

Food

7.2

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
2,172 reviews
Delta
7.9
Good
8,315 reviews

Comfort

7.9

Crew

8.5

Boarding

8.1

Overall

7.9

Food

7.2

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
7,862 reviews
Delta
7.9
Good
8,315 reviews

Comfort

7.9

Crew

8.5

Boarding

8.1

Overall

7.9

Food

7.2

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 Raleigh to Portugal. 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 from for flights from Raleigh to Portugal?

    Raleigh-Durham (RDU), located 11.1 mi from the city center, is the airport you fly out of when you book flights from Raleigh to Portugal.

  • How long is the flight from Raleigh to Portugal?

    There are many flights that can get you from Raleigh to Portugal in 17h 50m. Fly via United Airlines, Lufthansa, or Turkish Airlines to get the fastest option. The distance between Raleigh and Portugal is about 3837 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Raleigh 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 Lufthansa and Delta, with prices starting from $335 and $346, respectively.

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

    While some choose either Raleigh-Durham - Porto or Raleigh-Durham - Ponta Delgada Nordela, Raleigh-Durham - Lisbon Humberto Delgado is the most popular route from Raleigh to Portugal.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Raleigh to Portugal (average of $374). Flying from Raleigh 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

Browse thousands of different options on Cheapflights for your next trip

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Top 10 airlines flying from Raleigh to Portugal

Discover the top 10 airlines that operate flights from Raleigh 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 March 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$374Average$514FlexibilityNo cancel feeOn-time76%
KLMCheapest$505Average$842FlexibilityNo cancel feeOn-time75%
Air FranceCheapest$526Average$761FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$528Average$844FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$532Average$1,055FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$534Average$711FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$535Average$944FlexibilityNo cancel feeOn-time71%
DeltaCheapest$549Average$832FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$611Average$1,115FlexibilityNo cancel feeOn-time67%
TAP AIR PORTUGALCheapest$718Average$1,121FlexibilityNo cancel feeOn-timeN/A

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