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$229+ 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 11/19. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — LIS
dic. 6 — dic. 131
sáb. 12/6
sáb. 12/13
1 adult, Economy
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Cheap flight deals from Raleigh to Portugal

Keep the following information in mind while searching for Raleigh to Portugal flight deals. Data was last updated noviembre 6, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$370
(oojo)

One-way from

$229
(Mytrip)

Popular in

June

Cheapest in

November

Average price

$655
Provider with most accurate pricing for Raleigh-Durham-Lisbon Humberto Delgado flight deals.
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Provider most trusted by Cheapflights users for Raleigh-Durham-Lisbon Humberto Delgado flights.
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From Raleigh-Durham to Portugal
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One-way flight from Raleigh-Durham to Portugal
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Highest demand for flights based on searches. 23% potential increase in price ($295 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($40 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find 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 noviembre 6, 2025.

This Gotogate deal was found by Cheapflights users on 11/3. 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.
mié. 11/197:35 pmRDU - LIS
1 stop19h 45mIcelandair
dom. 11/239:20 pmLIS - RDU
1 stop26h 15mIcelandair
Deal found 11/3$374
This KAYAK deal was found by Cheapflights users on 11/4. 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.
mié. 11/197:35 pmRDU - LIS
1 stop19h 45mIcelandair
jue. 12/49:20 pmLIS - RDU
1 stop26h 15mIcelandair
Deal found 11/4$397
This Gotogate deal was found by Cheapflights users on 11/6. 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.
jue. 12/41:25 pmRDU - LIS
1 stop14h 55mMultiple Airlines
jue. 12/115:00 amLIS - RDU
1 stop14h 05mMultiple Airlines
Deal found 11/6$457
This Kiwi.com deal was found by Cheapflights users on 11/4. 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.
lun. 12/13:15 pmRDU - LIS
1 stop13h 05mLufthansa
mié. 12/105:00 amLIS - RDU
2 stops18h 47mLufthansa
Deal found 11/4$468
This United Airlines deal was found by Cheapflights users on 11/5. 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.
jue. 12/41:25 pmRDU - LIS
1 stop14h 55mUnited Airlines
jue. 12/115:00 amLIS - RDU
1 stop14h 05mUnited Airlines
Deal found 11/5$477
This Mytrip deal was found by Cheapflights users on 11/4. 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.
jue. 12/47:10 pmRDU - PDL
2 stops24h 35mMultiple Airlines
jue. 12/119:35 amPDL - RDU
3 stops35h 20mMultiple Airlines
Deal found 11/4$633
This United Airlines deal was found by Cheapflights users on 11/5. 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. 11/195:05 pmRDU - OPO
1 stop11h 25mUnited Airlines
mié. 12/36:00 amOPO - RDU
2 stops19h 55mUnited Airlines
Deal found 11/5$683
This United Airlines deal was found by Cheapflights users on 11/5. 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. 11/195:05 pmRDU - OPO
1 stop11h 25mUnited Airlines
lun. 12/112:30 pmOPO - RDU
2 stops35h 17mUnited Airlines
Deal found 11/5$703
This United Airlines deal was found by Cheapflights users on 11/5. 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. 11/191:30 pmRDU - OPO
2 stops15h 00mUnited Airlines
mar. 12/212:30 pmOPO - RDU
2 stops34h 31mUnited Airlines
Deal found 11/5$707
This Mytrip deal was found by Cheapflights users on 11/5. 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.
sáb. 11/153:15 pmRDU - FAO
3 stops19h 30mMultiple Airlines
vie. 11/212:20 pmFAO - RDU
2 stops28h 45mMultiple Airlines
Deal found 11/5$751
This Kiwi.com deal was found by Cheapflights users on 11/5. 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.
mié. 12/317:20 pmRDU - PDL
2 stops24h 25mMultiple Airlines
sáb. 1/105:45 pmPDL - RDU
1 stop23h 36mMultiple Airlines
Deal found 11/5$761
This Priceline deal was found by Cheapflights users on 11/4. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/410:39 amRDU - PDL
2 stops33h 06mTAP AIR PORTUGAL
jue. 12/119:35 amPDL - RDU
2 stops28h 07mTAP AIR PORTUGAL
Deal found 11/4$769

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 noviembre 6, 2025.
Use the filters below to find and compare flights from Raleigh to Portugal that are best for you.

Fly from

Raleigh

Fly to

Portugal

Route

Depart

Return

Price

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

mié. 12/3

6:10 am-10:15 am

1 stop23h 05m

Lisbon Humberto Delgado

mié. 12/10

11:00 am-2:08 pm

1 stop32h 08m

$485

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

mar. 12/2

9:55 am-8:00 am

1 stop17h 05m

Lisbon Humberto Delgado

mar. 12/16

5:30 am-4:45 pm

1 stop16h 15m

$492

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

sáb. 2/28

2:50 pm-8:10 am

1 stop12h 20m

Lisbon Humberto Delgado

sáb. 3/7

5:00 am-11:34 pm

2 stops23h 34m

$492

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

mié. 3/11

7:55 pm-5:30 pm

1 stop17h 35m

Lisbon Humberto Delgado

mié. 3/18

5:00 am-6:13 pm

2 stops17h 13m

$495

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

sáb. 12/6

7:15 am-8:00 am

1 stop19h 45m

Lisbon Humberto Delgado

dom. 12/21

10:00 am-11:57 pm

2 stops18h 57m

$496

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

jue. 12/11

10:30 am-10:15 am

1 stop18h 45m

Lisbon Humberto Delgado

jue. 12/18

10:55 am-9:20 pm

1 stop15h 25m

$496

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

jue. 3/12

5:15 pm-11:35 am

1 stop14h 20m

Lisbon Humberto Delgado

lun. 3/16

5:00 am-2:45 pm

1 stop13h 45m

$498

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

sáb. 2/7

1:00 pm-10:30 am

2 stops16h 30m

Porto

sáb. 2/21

11:25 am-4:45 pm

1 stop34h 20m

$500

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

jue. 12/11

6:10 am-9:20 am

2 stops22h 10m

Lisbon Humberto Delgado

vie. 12/19

11:55 am-2:10 pm

1 stop31h 15m

$506

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

jue. 3/12

5:15 pm-11:35 am

1 stop14h 20m

Lisbon Humberto Delgado

mié. 3/18

5:00 am-11:34 pm

2 stops22h 34m

$507

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/4

Showing 1-10 of 50 results
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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, December is the cheapest month in which you can book a flight from Raleigh to Portugal (average of $509). Flying from Raleigh to Portugal in June is currently the most expensive (average of $1,031). 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 RDU to PT?

Find hourly flight availability from Raleigh 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 noviembre 6, 2025.

It’s optimal to fly from Raleigh to Portugal at noon. By choosing this option you can save up to 13% on the cost of your flight, compared to a flight in the evening.

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

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

Travelers seeking maximum savings on their Raleigh to Portugal flight should consider departing on Tuesday at noon when fares are most often at their lowest. Friday mornings 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 noviembre 6, 2025.
See what other customers who have flown with Delta, United Airlines, and American 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
8,001 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

7.9

Crew

8.5

Entertainment

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.
Delta
7.9
Good
8,001 reviews
Delta
7.9
Good
8,001 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

7.9

Crew

8.5

Entertainment

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.
United Airlines
7.4
Good
9,007 reviews
Delta
7.9
Good
8,001 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

7.9

Crew

8.5

Entertainment

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.
American Airlines
7.2
Good
11,040 reviews
Delta
7.9
Good
8,001 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

7.9

Crew

8.5

Entertainment

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.
TAP AIR PORTUGAL
7.1
Good
2,047 reviews
Delta
7.9
Good
8,001 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

7.9

Crew

8.5

Entertainment

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.
Lufthansa
6.8
Okay
7,558 reviews
Delta
7.9
Good
8,001 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

7.9

Crew

8.5

Entertainment

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 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 05m. Fly via United Airlines, Delta, or Virgin Atlantic to get the fastest option. The distance between Raleigh and Portugal is about 3734 mi. This flight may include one or multiple stops.

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

    $229 is the cheapest one-way deal found within the past few days, from Icelandair. You may also be able to find cheap deals on American Airlines and United Airlines, with prices starting from $328 and $405, respectively.

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

    While some choose either Raleigh-Durham - Porto or Raleigh-Durham - Funchal Madeira, 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, December is the cheapest month in which you can book a flight from Raleigh to Portugal (average of $509). Flying from Raleigh to Portugal in June is currently the most expensive (average of $1,031). 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.

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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 noviembre 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$458Average$556FlexibilityNo cancel feeOn-time76%
Virgin AtlanticCheapest$540Average$718FlexibilityNo cancel feeOn-time72%
American AirlinesCheapest$558Average$976FlexibilityNo cancel feeOn-time71%
KLMCheapest$570Average$867FlexibilityNo cancel feeOn-time75%
DeltaCheapest$575Average$848FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$592Average$1,170FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$595Average$1,209FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$620Average$1,128FlexibilityNo cancel feeOn-time67%
Air FranceCheapest$633Average$903FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$682Average$860FlexibilityNo cancel feeOn-time70%

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