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$269+ 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 7/14. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — LIS
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
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 April 17, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$724
(Delta)

One-way from

$269
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$945
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. 24% potential increase in price ($318 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($43 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 17, 2025.

This Air France deal was found by Cheapflights users on 4/16. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/236:40 pmRDU - OPO
2 stops15h 50mAir France
Tue 11/411:45 amOPO - RDU
2 stops16h 20mAir France
Deal found 4/16$715
This Delta deal was found by Cheapflights users on 4/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/206:20 pmRDU - OPO
1 stop16h 10mDelta
Thu 9/46:30 amOPO - RDU
2 stops21h 32mDelta
Deal found 4/16$724
This United Airlines deal was found by Cheapflights users on 4/16. 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.
Thu 10/235:54 pmRDU - OPO
1 stop10h 51mUnited Airlines
Tue 11/412:35 pmOPO - RDU
2 stops26h 51mUnited Airlines
Deal found 4/16$741
This Mytrip deal was found by Cheapflights users on 4/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/123:55 pmRDU - OPO
2 stops25h 40mMultiple Airlines
Thu 5/296:00 amOPO - RDU
2 stops37h 58mMultiple Airlines
Deal found 4/17$762
This Air Canada deal was found by Cheapflights users on 4/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/234:40 pmRDU - OPO
2 stops35h 45mAir Canada
Tue 9/3012:50 pmOPO - RDU
2 stops30h 20mAir Canada
Deal found 4/16$781
This Gurufare deal was found by Cheapflights users on 4/17. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/309:45 amRDU - PDL
2 stops23h 30mTAP AIR PORTUGAL
Thu 10/167:40 pmPDL - RDU
2 stops51h 50mTAP AIR PORTUGAL
Deal found 4/17$800
This Kiwi.com deal was found by Cheapflights users on 4/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/53:40 pmRDU - FAO
1 stop17h 50mMultiple Airlines
Tue 5/207:10 pmFAO - RDU
2 stops31h 19mMultiple Airlines
Deal found 4/17$806
This Mytrip deal was found by Cheapflights users on 4/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/53:40 pmRDU - OPO
1 stop14h 35mLufthansa
Mon 5/1212:10 pmOPO - RDU
1 stop30h 35mLufthansa
Deal found 4/16$807
This United Airlines deal was found by Cheapflights users on 4/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/53:40 pmRDU - FAO
1 stop17h 50mUnited Airlines
Tue 5/2011:40 amFAO - RDU
1 stop12h 03mUnited Airlines
Deal found 4/17$817
This KLM deal was found by Cheapflights users on 4/17. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/146:20 pmRDU - OPO
1 stop16h 10mKLM
Tue 5/206:15 amOPO - RDU
2 stops17h 54mKLM
Deal found 4/17$822
This Mytrip deal was found by Cheapflights users on 4/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/123:55 pmRDU - LIS
3 stops26h 10mMultiple Airlines
Thu 5/229:25 pmLIS - RDU
3 stops42h 23mMultiple Airlines
Deal found 4/17$827
This Air Canada deal was found by Cheapflights users on 4/17. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/277:51 pmRDU - LIS
2 stops32h 29mAir Canada
Mon 12/111:00 amLIS - RDU
2 stops27h 39mAir Canada
Deal found 4/17$828

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 April 17, 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

Wed 8/20

6:20 pm-3:30 pm

1 stop16h 10m

Porto

Thu 9/4

6:30 am-11:02 pm

2 stops21h 32m

$724

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Mon 5/12

3:55 pm-10:35 pm

2 stops25h 40m

Porto

Thu 5/29

6:00 am-2:58 pm

2 stops37h 58m

$762

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Wed 8/20

9:00 am-9:20 am

1 stop19h 20m

Porto

Thu 9/4

12:10 pm-6:40 pm

2 stops35h 30m

$774

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Tue 9/23

4:40 pm-9:25 am

2 stops35h 45m

Porto

Tue 9/30

12:50 pm-2:10 pm

2 stops30h 20m

$781

RaleighPonta Delgada

RDU - PDL

RDUPDL

Raleigh-Durham

Tue 9/30

9:45 am-1:15 pm

2 stops23h 30m

Ponta Delgada Nordela

Thu 10/16

7:40 pm-7:30 pm

2 stops51h 50m

$800

RaleighFaro

RDU - FAO

RDUFAO

Raleigh-Durham

Mon 5/5

3:40 pm-2:30 pm

1 stop17h 50m

Faro

Tue 5/20

7:10 pm-9:29 pm

2 stops31h 19m

$806

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Mon 5/5

3:40 pm-11:15 am

1 stop14h 35m

Porto

Mon 5/12

12:10 pm-1:45 pm

1 stop30h 35m

$807

RaleighFaro

RDU - FAO

RDUFAO

Raleigh-Durham

Mon 5/5

3:40 pm-2:30 pm

1 stop17h 50m

Faro

Tue 5/20

11:40 am-6:43 pm

1 stop12h 03m

$817

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Wed 5/14

6:20 pm-3:30 pm

1 stop16h 10m

Porto

Tue 5/20

6:15 am-7:09 pm

2 stops17h 54m

$822

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

Mon 5/12

3:55 pm-11:05 pm

3 stops26h 10m

Lisbon Humberto Delgado

Thu 5/22

9:25 pm-10:48 am

3 stops42h 23m

$827

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Showing 1-10 of 60 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, 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 $1,203). 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 April 17, 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 April 17, 2025.
Get a feel of what it's like to fly with Delta, KLM and Air France 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
7,917 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

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
7,917 reviews
Delta
8.0
Very good
7,917 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

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
1,329 reviews
Delta
8.0
Very good
7,917 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

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
7.5
Good
1,435 reviews
Delta
8.0
Very good
7,917 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

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
1,580 reviews
Delta
8.0
Very good
7,917 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

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
8,667 reviews
Delta
8.0
Very good
7,917 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

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?

    $535 is the cheapest one-way deal found within the past few days, from Aer Lingus. You may also be able to find cheap deals on Air Canada and American Airlines, with prices starting from $602 and $606, 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 $1,203). 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 April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$465Average$780FlexibilityNo cancel feeOn-time76%
KLMCheapest$546Average$918FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$570Average$818FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$573Average$976FlexibilityNo cancel feeOn-time71%
Air FranceCheapest$587Average$955FlexibilityNo cancel feeOn-time77%
DeltaCheapest$590Average$950FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$595Average$1,265FlexibilityNo cancel feeOn-time69%
Virgin AtlanticCheapest$618Average$718FlexibilityNo cancel feeOn-time72%
LufthansaCheapest$628Average$1,044FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$724Average$968FlexibilityNo cancel feeOn-time67%

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