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$301+ 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 3/26. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — LIS
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$596
(Travelocity)

One-way from

$301
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$689
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. 27% potential increase in price ($377 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($47 potential savings vs. average RT price).
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Average for round-trip flights in February 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 February 20, 2025.

This Travelocity deal was found by Cheapflights users on 2/20. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/158:08 pmRDU - OPO
2 stops35h 27mMultiple Airlines
Mon 3/244:25 pmOPO - RDU
2 stops45h 28mMultiple Airlines
Deal found 2/20$596
This United Airlines deal was found by Cheapflights users on 2/19. 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 3/176:50 pmRDU - LIS
1 stop9h 20mUnited Airlines
Wed 3/265:00 amLIS - RDU
2 stops19h 33mUnited Airlines
Deal found 2/19$621
This Air Canada deal was found by Cheapflights users on 2/19. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/174:35 pmRDU - LIS
1 stop12h 45mAir Canada
Thu 3/2710:55 amLIS - RDU
2 stops32h 58mAir Canada
Deal found 2/19$624
This British Airways deal was found by Cheapflights users on 2/19. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/16:20 pmRDU - LIS
1 stop23h 40mBritish Airways
Tue 4/811:05 amLIS - RDU
1 stop14h 28mBritish Airways
Deal found 2/19$625
This Ovago deal was found by Cheapflights users on 2/20. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/1510:50 pmRDU - OPO
1 stop16h 25mBritish Airways
Mon 3/2412:25 pmOPO - RDU
2 stops35h 03mBritish Airways
Deal found 2/20$650
This Cheapflightsfares deal was found by Cheapflights users on 2/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/198:08 pmRDU - LIS
2 stops23h 22mLufthansa
Wed 3/265:00 amLIS - RDU
2 stops20h 08mLufthansa
Deal found 2/20$664
This Finnair deal was found by Cheapflights users on 2/20. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/206:25 pmRDU - LIS
1 stop23h 45mFinnair
Mon 11/36:30 amLIS - RDU
2 stops21h 57mFinnair
Deal found 2/20$676
This American Airlines deal was found by Cheapflights users on 2/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/196:31 pmRDU - LIS
1 stop10h 24mAmerican Airlines
Wed 3/2611:15 amLIS - RDU
1 stop13h 17mAmerican Airlines
Deal found 2/19$688
This United deal was found by Cheapflights users on 2/19. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/236:21 pmRDU - OPO
1 stop10h 24mUnited Airlines
Tue 11/412:30 pmOPO - RDU
2 stops28h 37mUnited Airlines
Deal found 2/19$693
This Kiwi.com deal was found by Cheapflights users on 2/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/312:10 pmRDU - LIS
1 stop14h 55mMultiple Airlines
Mon 6/25:45 pmLIS - RDU
2 stops31h 03mMultiple Airlines
Deal found 2/20$703
This Iberia deal was found by Cheapflights users on 2/19. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2012:12 pmRDU - LIS
2 stops14h 33mIberia
Mon 11/38:45 pmLIS - RDU
2 stops24h 46mIberia
Deal found 2/19$706
This Aeromexico deal was found by Cheapflights users on 2/19. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/236:20 pmRDU - OPO
1 stop16h 10mAir France
Tue 11/411:45 amOPO - RDU
1 stop33h 25mAir France
Deal found 2/19$759

Find flights from Raleigh to Portugal within your budget

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 February 20, 2025.

Fly from

Raleigh

Fly to

Portugal

Route

Depart

Return

Price

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Sat 3/15

8:08 pm-11:35 am

2 stops35h 27m

Porto

Mon 3/24

4:25 pm-9:53 am

2 stops45h 28m

$596

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

Mon 3/17

6:50 pm-8:10 am

1 stop9h 20m

Lisbon Humberto Delgado

Wed 3/26

5:00 am-8:33 pm

2 stops19h 33m

$621

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

Mon 3/17

6:00 am-9:20 am

2 stops23h 20m

Lisbon Humberto Delgado

Thu 3/27

10:55 am-9:53 am

2 stops26h 58m

$624

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

Tue 4/1

6:20 pm-11:00 pm

1 stop23h 40m

Lisbon Humberto Delgado

Tue 4/8

11:05 am-8:33 pm

1 stop14h 28m

$625

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

Mon 3/17

10:50 pm-9:55 pm

1 stop19h 05m

Lisbon Humberto Delgado

Tue 3/25

7:05 am-7:28 pm

1 stop16h 23m

$637

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Sat 3/15

10:50 pm-7:15 pm

1 stop16h 25m

Porto

Mon 3/24

12:25 pm-7:28 pm

2 stops35h 03m

$650

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

Wed 3/19

8:08 pm-11:30 pm

2 stops23h 22m

Lisbon Humberto Delgado

Wed 3/26

5:00 am-9:08 pm

2 stops20h 08m

$664

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

Mon 3/31

2:10 pm-10:05 am

1 stop14h 55m

Lisbon Humberto Delgado

Mon 6/2

5:45 pm-7:48 pm

2 stops31h 03m

$703

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Fri 3/28

6:00 am-11:40 am

2 stops25h 40m

Porto

Sun 4/6

6:00 am-9:36 am

2 stops32h 36m

$752

RaleighPonta Delgada

RDU - PDL

RDUPDL

Raleigh-Durham

Fri 4/4

1:24 pm-2:45 pm

3 stops45h 21m

Ponta Delgada Nordela

Fri 4/11

6:05 pm-11:02 pm

2 stops32h 57m

$803

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 45 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.

Travel insights for flights from Raleigh to Portugal

Get recent, data-driven insights about flights from Raleigh to Portugal including ideal travel times, pricing trends, and more.

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 $1,234). 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 February 20, 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.

Rainfall in Portugal by month

Plan your trip to Portugal by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Portugal ranges from 0.2 - 4.8 inches per month. December is typically the wettest month, when rainfall can reach 4.8 in. July is typically the driest time to visit Portugal when rainfall is around 0.2 in.

Temperature in Portugal by month

Plan your trip to Portugal by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Portugal, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

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 February 20, 2025.
Get a feel of what it's like to fly with Delta, KLM and SWISS from Raleigh to Portugal by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,219 reviews

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

Food

7.3

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,219 reviews
Delta
8.0
Very good
8,219 reviews

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

Food

7.3

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
8,219 reviews

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

Food

7.3

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

SWISS
7.5
Good
1,568 reviews
Delta
8.0
Very good
8,219 reviews

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

Food

7.3

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air France
7.4
Good
1,449 reviews
Delta
8.0
Very good
8,219 reviews

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

Food

7.3

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines
7.4
Good
8,765 reviews
Delta
8.0
Very good
8,219 reviews

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

Food

7.3

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

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

    $396 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 American Airlines and Air Canada, with prices starting from $414 and $418, 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 $612). Flying from Raleigh to Portugal in June is currently the most expensive (average of $1,234). 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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See prices for flight routes from nearby airports that may be better suited for you.
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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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$546Average$910FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$570Average$853FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$573Average$1,023FlexibilityNo cancel feeOn-time71%
DeltaCheapest$579Average$937FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$587Average$925FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$595Average$1,185FlexibilityNo cancel feeOn-time69%
Virgin AtlanticCheapest$618Average$718FlexibilityNo cancel feeOn-time72%
LufthansaCheapest$628Average$1,018FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$724Average$925FlexibilityNo cancel feeOn-time67%
TAP AIR PORTUGALCheapest$798Average$1,216FlexibilityNo cancel feeOn-timeN/A
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