HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Portugal

$217+ 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 1/17. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — LIS
ene. 11 — ene. 181
dom. 1/11
dom. 1/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Raleigh to Portugal with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 diciembre 12, 2025.

This American Airlines deal was found by Cheapflights users on 12/11. 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.
lun. 12/158:40 pmRDU - LIS
1 stop20h 15mAmerican Airlines
mar. 12/2311:05 amLIS - RDU
1 stop14h 48mAmerican Airlines
Deal found 12/11$594
This Finnair deal was found by Cheapflights users on 12/11. 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.
lun. 12/154:22 pmRDU - LIS
1 stop11h 43mMultiple Airlines
mar. 12/2311:05 amLIS - RDU
2 stops17h 51mMultiple Airlines
Deal found 12/11$607
This Ovago deal was found by Cheapflights users on 12/11. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/298:45 pmRDU - LIS
1 stop20h 10mBritish Airways
lun. 1/126:35 pmLIS - RDU
2 stops27h 49mBritish Airways
Deal found 12/11$636
This United Airlines deal was found by Cheapflights users on 12/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/116:20 amRDU - LIS
2 stops22h 55mUnited Airlines
sáb. 12/2011:55 amLIS - RDU
1 stop16h 49mUnited Airlines
Deal found 12/10$646
This American Airlines deal was found by Cheapflights users on 12/11. 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.
lun. 12/298:45 pmRDU - LIS
1 stop20h 10mAmerican Airlines
lun. 1/1211:05 amLIS - RDU
1 stop11h 19mAmerican Airlines
Deal found 12/11$654
This United Airlines deal was found by Cheapflights users on 12/11. 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.
lun. 12/151:30 pmRDU - LIS
2 stops13h 40mUnited Airlines
mar. 12/2311:55 amLIS - RDU
2 stops27h 37mUnited Airlines
Deal found 12/11$657
This United Airlines deal was found by Cheapflights users on 12/11. 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.
lun. 12/297:40 pmRDU - LIS
2 stops31h 30mUnited Airlines
lun. 1/125:00 amLIS - RDU
2 stops17h 44mUnited Airlines
Deal found 12/11$680
This Finnair deal was found by Cheapflights users on 12/10. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/1111:20 amRDU - LIS
1 stop16h 45mMultiple Airlines
sáb. 12/2010:40 amLIS - RDU
1 stop15h 13mMultiple Airlines
Deal found 12/10$686
This Finnair deal was found by Cheapflights users on 12/11. 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.
vie. 12/124:10 pmRDU - LIS
1 stop11h 40mMultiple Airlines
vie. 12/1911:05 amLIS - RDU
1 stop14h 41mMultiple Airlines
Deal found 12/11$718
This oojo deal was found by Cheapflights users on 12/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/277:15 amRDU - PDL
1 stop19h 40mMultiple Airlines
mar. 12/305:45 pmPDL - RDU
2 stops34h 13mMultiple Airlines
Deal found 12/10$1,156
This oojo deal was found by Cheapflights users on 12/9. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/126:00 amRDU - OPO
2 stops24h 50mMultiple Airlines
sáb. 12/2010:05 pmOPO - RDU
2 stops41h 20mMultiple Airlines
Deal found 12/9$1,609
This Trip.com deal was found by Cheapflights users on 12/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/153:15 pmRDU - FNC
2 stops19h 35mMultiple Airlines
mié. 12/179:30 amFNC - RDU
2 stops37h 10mMultiple Airlines
Deal found 12/11$1,681

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 diciembre 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$370
(oojo)

One-way from

$217
(oojo)

Popular in

June

Cheapest in

November

Average price

$835
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. 25% potential increase in price ($319 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($41 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 diciembre 12, 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

jue. 1/15

1:25 pm-9:20 am

1 stop14h 55m

Lisbon Humberto Delgado

lun. 1/19

5:00 am-1:45 pm

1 stop13h 45m

$482

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

jue. 1/15

1:25 pm-9:20 am

1 stop14h 55m

Lisbon Humberto Delgado

jue. 1/22

5:00 am-1:45 pm

1 stop13h 45m

$482

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

mar. 1/13

1:25 pm-9:20 am

1 stop14h 55m

Lisbon Humberto Delgado

lun. 1/19

5:00 am-1:45 pm

1 stop13h 45m

$482

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

jue. 2/19

6:15 am-10:15 am

1 stop23h 00m

Lisbon Humberto Delgado

mié. 2/25

11:20 am-2:08 pm

1 stop31h 48m

$485

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

jue. 1/15

1:25 pm-9:20 am

1 stop14h 55m

Lisbon Humberto Delgado

sáb. 1/24

11:20 am-4:21 pm

3 stops34h 01m

$485

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

jue. 1/15

6:18 am-9:20 am

2 stops22h 02m

Lisbon Humberto Delgado

lun. 1/19

5:00 am-1:45 pm

1 stop13h 45m

$487

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

mié. 3/11

11:58 am-8:40 am

1 stop16h 42m

Lisbon Humberto Delgado

lun. 3/23

5:30 am-5:45 pm

1 stop16h 15m

$488

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

vie. 1/23

10:00 am-8:10 am

2 stops17h 10m

Lisbon Humberto Delgado

sáb. 1/31

5:00 am-1:45 pm

1 stop13h 45m

$488

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

sáb. 1/17

1:25 pm-8:55 am

1 stop14h 30m

Lisbon Humberto Delgado

dom. 1/25

10:50 am-12:27 pm

2 stops30h 37m

$488

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

lun. 2/16

2:50 pm-8:10 am

1 stop12h 20m

Lisbon Humberto Delgado

lun. 2/23

11:20 am-12:27 pm

2 stops30h 07m

$489

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 45 results
1
2
3
...
5

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 $442). Flying from Raleigh to Portugal in June is currently the most expensive (average of $923). 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 diciembre 12, 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 diciembre 12, 2025.
See what other customers who have flown with Delta, Air France, and United 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
8,009 reviews

Entertainment

7.9

Food

7.3

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

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
8,009 reviews
Delta
7.9
Good
8,009 reviews

Entertainment

7.9

Food

7.3

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

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.
Air France
7.4
Good
1,502 reviews
Delta
7.9
Good
8,009 reviews

Entertainment

7.9

Food

7.3

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

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
9,095 reviews
Delta
7.9
Good
8,009 reviews

Entertainment

7.9

Food

7.3

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

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
11,049 reviews
Delta
7.9
Good
8,009 reviews

Entertainment

7.9

Food

7.3

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

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
2,086 reviews
Delta
7.9
Good
8,009 reviews

Entertainment

7.9

Food

7.3

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

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 14h 55m. Fly via United Airlines, KLM, or SWISS 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?

    $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 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, January is the cheapest month in which you can book a flight from Raleigh to Portugal (average of $442). Flying from Raleigh to Portugal in June is currently the most expensive (average of $923). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Raleigh to Portugal

See prices for flight routes from nearby airports that may be better suited for you.
Charlotte to Heathrow flights
Raleigh to Heathrow flights
Raleigh to Charles de Gaulle flights
Charlotte to Madrid flights
Charlotte to Dublin flights
Charlotte to Leonardo da Vinci/Fiumicino flights
Charlotte to Charles de Gaulle flights
Raleigh to Orly flights
Raleigh to Gatwick flights
Charlotte to Munich flights
Raleigh to Dublin flights
Charlotte to Athens flights
Charlotte to Frankfurt flights
Charlotte to Gatwick flights
Charlotte to Orly flights
Charlotte to Barcelona-El Prat flights
Raleigh to Leonardo da Vinci/Fiumicino flights
Charlotte to Edinburgh flights
Raleigh to Keflavik Intl flights
Charlotte to London City flights
Charlotte to Lisbon flights
Raleigh to Lisbon flights
Raleigh to London City flights
Raleigh to Athens flights
Raleigh to Vicenza flights
Raleigh to Frankfurt flights
Raleigh to Barcelona-El Prat flights
Raleigh to Istanbul flights
Raleigh to Madrid flights
Charlotte to Amsterdam flights
Raleigh to Amsterdam flights
Raleigh to Edinburgh flights
Raleigh to Stansted flights
Raleigh to Florence flights
Charlotte to Istanbul flights
Raleigh to Zurich flights
Charlotte to Vicenza flights
Charlotte to Zurich flights
Raleigh to Prague flights
Charlotte to Linate flights
Norfolk to Heathrow flights
Knoxville to Frankfurt flights
Charlotte to Malpensa flights
Raleigh to Sabiha Gokcen flights
Charlotte to Geneva flights
Charlotte to Florence flights
Raleigh to Geneva flights
Knoxville to Heathrow flights
Asheville to Heathrow flights
Charlotte to Prague flights

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 diciembre 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$394Average$514FlexibilityNo cancel feeOn-time76%
KLMCheapest$505Average$837FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$558Average$955FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$570Average$1,164FlexibilityNo cancel feeOn-time69%
DeltaCheapest$574Average$852FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$576Average$842FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$595Average$1,200FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$620Average$1,132FlexibilityNo cancel feeOn-time67%
British AirwaysCheapest$635Average$811FlexibilityNo cancel feeOn-time70%
TAP AIR PORTUGALCheapest$718Average$1,090FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.