HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Portugal

$249+ 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 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — LIS
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
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

Keep the following information in mind while searching for Raleigh to Portugal flight deals. Data was last updated September 11, 2025.

Round-trip from

$556
(Orbitz)

One-way from

$249
(Mytrip)

Popular in

June

Cheapest in

November

Average price

$1,033
From Raleigh-Durham to Portugal
Search Deals
One-way flight from Raleigh-Durham to Portugal
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($302 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 September 2025
Search Deals

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 September 11, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/82:14 pmRDU - OPO
1 stop17h 56mMultiple Airlines
Fri 11/146:35 pmOPO - RDU
1 stop23h 44mMultiple Airlines
Deal found 9/11$561
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Wed 11/58:00 pmRDU - OPO
2 stops14h 25mUnited Airlines
Fri 11/1412:35 pmOPO - RDU
2 stops16h 06mUnited Airlines
Deal found 9/11$574
This Cheapflightsfares deal was found by Cheapflights users on 9/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/78:00 pmRDU - OPO
2 stops22h 40mLufthansa
Wed 11/126:00 amOPO - RDU
2 stops22h 30mLufthansa
Deal found 9/9$605
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Wed 9/173:25 pmRDU - OPO
1 stop9h 40mUnited Airlines
Tue 9/2312:50 pmOPO - RDU
2 stops28h 25mUnited Airlines
Deal found 9/10$630
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Sat 10/257:10 pmRDU - OPO
1 stop10h 20mUnited Airlines
Sat 11/16:00 amOPO - RDU
2 stops21h 41mUnited Airlines
Deal found 9/10$640
This Mytrip deal was found by Cheapflights users on 9/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/319:30 amRDU - FAO
2 stops26h 35mMultiple Airlines
Thu 11/66:10 pmFAO - RDU
2 stops32h 13mMultiple Airlines
Deal found 9/10$654
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Fri 11/78:00 pmRDU - OPO
2 stops32h 30mUnited Airlines
Sat 11/156:00 amOPO - RDU
2 stops20h 49mUnited Airlines
Deal found 9/11$655
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Sat 11/81:30 pmRDU - OPO
2 stops15h 00mUnited Airlines
Fri 11/1412:30 pmOPO - RDU
2 stops40h 11mUnited Airlines
Deal found 9/11$664
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Sun 10/1910:36 amRDU - OPO
2 stops18h 09mUnited Airlines
Sun 10/2612:30 pmOPO - RDU
1 stop30h 35mUnited Airlines
Deal found 9/11$674
This Gurufare deal was found by Cheapflights users on 9/10. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2510:36 amRDU - OPO
2 stops21h 04mLufthansa
Sat 11/16:00 amOPO - RDU
2 stops21h 41mLufthansa
Deal found 9/10$683
This Air Canada deal was found by Cheapflights users on 9/9. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/169:00 amRDU - LIS
1 stop19h 20mAir Canada
Tue 11/45:00 amLIS - RDU
2 stops21h 23mAir Canada
Deal found 9/9$691
This Delta deal was found by Cheapflights users on 9/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/61:08 pmRDU - LIS
2 stops17h 07mDelta
Mon 10/135:40 amLIS - RDU
1 stop15h 30mDelta
Deal found 9/10$692

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 September 11, 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

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Fri 11/7

8:00 pm-11:40 pm

2 stops22h 40m

Porto

Wed 11/12

6:00 am-11:30 pm

2 stops22h 30m

$605

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Wed 9/17

3:25 pm-6:05 am

1 stop9h 40m

Porto

Tue 9/23

12:50 pm-9:45 pm

1 stop13h 55m

$643

RaleighFaro

RDU - FAO

RDUFAO

Raleigh-Durham

Fri 10/31

9:30 am-4:05 pm

2 stops26h 35m

Faro

Thu 11/6

6:10 pm-9:23 pm

2 stops32h 13m

$654

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Fri 11/7

8:00 pm-9:30 am

2 stops32h 30m

Porto

Sat 11/15

6:00 am-9:49 pm

2 stops20h 49m

$655

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Sat 11/8

1:30 pm-9:30 am

2 stops15h 00m

Porto

Fri 11/14

12:30 pm-11:41 pm

2 stops40h 11m

$664

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Fri 11/7

7:35 pm-8:10 am

3 stops31h 35m

Porto

Sat 11/15

8:10 pm-6:35 pm

3 stops27h 25m

$674

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Tue 10/7

6:20 pm-3:30 pm

1 stop16h 10m

Porto

Tue 10/14

4:20 pm-4:10 pm

1 stop28h 50m

$686

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Tue 10/7

6:59 pm-3:30 pm

2 stops15h 31m

Porto

Tue 10/14

4:20 pm-4:10 pm

1 stop28h 50m

$690

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

Sun 10/12

10:36 am-9:20 am

2 stops17h 44m

Lisbon Humberto Delgado

Thu 10/30

5:00 am-3:05 pm

1 stop14h 05m

$696

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

Sun 10/12

9:44 am-8:50 am

2 stops18h 06m

Lisbon Humberto Delgado

Fri 10/31

5:30 am-5:45 pm

1 stop16h 15m

$700

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 47 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 $612). Flying from Raleigh to Portugal in June is currently the most expensive (average of $1,127). 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 September 11, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Raleigh to Portugal as you normally would.

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 September 11, 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
8.0
Very good
7,960 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,937 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
TAP AIR PORTUGAL
7.1
Good
1,977 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Lufthansa
6.8
Okay
7,409 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 9h 40m. Fly via Lufthansa, United Airlines, or Delta to get the fastest option. The distance between Raleigh and Portugal is about 3699 mi. This flight may include one or multiple stops.

  • 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 $612). Flying from Raleigh to Portugal in June is currently the most expensive (average of $1,127). 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.
Raleigh to Heathrow flights
Charlotte to Heathrow flights
Raleigh to Charles de Gaulle flights
Charlotte to Frankfurt flights
Charlotte to Munich flights
Charlotte to Madrid flights
Charlotte to Dublin flights
Charlotte to Leonardo da Vinci/Fiumicino flights
Raleigh to Gatwick flights
Raleigh to Frankfurt flights
Raleigh to Dublin flights
Raleigh to Leonardo da Vinci/Fiumicino flights
Charlotte to Gatwick flights
Raleigh to Lisbon flights
Raleigh to Keflavik Intl flights
Charlotte to Charles de Gaulle flights
Charlotte to London City flights
Charlotte to Lisbon flights
Raleigh to Orly flights
Raleigh to London City flights
Raleigh to Madrid flights
Charlotte to Athens flights
Charlotte to Barcelona-El Prat flights
Charlotte to Orly flights
Raleigh to Barcelona-El Prat flights
Charlotte to Edinburgh flights
Charlotte to Malpensa flights
Raleigh to Istanbul flights
Charlotte to Amsterdam flights
Charlotte to Bruxelles-National flights
Charlotte to Vicenza flights
Raleigh to Munich flights
Raleigh to Amsterdam flights
Raleigh to Zurich flights
Raleigh to Edinburgh flights
Charlotte to Istanbul flights
Charlotte to Linate flights
Norfolk to Heathrow flights
Knoxville to Heathrow flights
Raleigh to Stansted flights
Raleigh to Vicenza flights
Raleigh to Athens flights
Norfolk to Charles de Gaulle flights
Norfolk to Leonardo da Vinci/Fiumicino flights
Charlotte to Florence flights
Charlotte to Zurich flights
Raleigh to Malpensa flights
Charlotte to Keflavik Intl flights
Norfolk to Dublin flights
Raleigh to Sabiha Gokcen 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$495Average$653FlexibilityNo cancel feeOn-time76%
KLMCheapest$546Average$837FlexibilityNo cancel feeOn-time75%
DeltaCheapest$574Average$873FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$594Average$809FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$595Average$969FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$600Average$1,208FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$626Average$1,148FlexibilityNo cancel feeOn-time76%
Air FranceCheapest$633Average$936FlexibilityNo cancel feeOn-time77%
Virgin AtlanticCheapest$636Average$718FlexibilityNo cancel feeOn-time72%
Air CanadaCheapest$667Average$1,115FlexibilityNo cancel feeOn-time67%

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.