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$298+ 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 8/15. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — LIS
may. 6 — may. 131
mar. 5/6
mar. 5/13
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 mayo 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$640
(Air Canada)

One-way from

$298
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$1,202
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 ($310 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($44 potential savings vs. average RT price).
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Average for round-trip flights in May 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 mayo 1, 2025.

This Air Canada deal was found by Cheapflights users on 4/28. 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.
mar. 10/219:00 amRDU - OPO
2 stops21h 30mAir Canada
jue. 11/66:00 amOPO - RDU
2 stops39h 08mAir Canada
Deal found 4/28$640
This United Airlines deal was found by Cheapflights users on 4/28. 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.
mar. 10/215:54 pmRDU - OPO
1 stop10h 51mUnited Airlines
mié. 11/56:00 amOPO - RDU
2 stops17h 58mUnited Airlines
Deal found 4/28$642
This Delta deal was found by Cheapflights users on 4/30. 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.
mié. 12/36:20 pmRDU - OPO
1 stop11h 30mDelta
mar. 12/95:00 amOPO - RDU
2 stops23h 55mDelta
Deal found 4/30$654
This Air France deal was found by Cheapflights users on 4/28. 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.
mar. 10/216:20 pmRDU - OPO
1 stop16h 10mMultiple Airlines
mar. 11/45:00 amOPO - RDU
2 stops16h 41mMultiple Airlines
Deal found 4/28$655
This KLM deal was found by Cheapflights users on 4/28. 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.
mié. 10/226:40 pmRDU - OPO
2 stops15h 55mKLM
mar. 11/45:00 amOPO - RDU
2 stops17h 59mKLM
Deal found 4/28$665
This American Airlines deal was found by Cheapflights users on 4/29. 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.
jue. 10/232:29 pmRDU - OPO
2 stops16h 11mAmerican Airlines
mar. 11/48:20 amOPO - RDU
2 stops20h 07mAmerican Airlines
Deal found 4/29$682
This FlightHub deal was found by Cheapflights users on 4/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/213:40 pmRDU - OPO
1 stop19h 05mLufthansa
mié. 11/54:30 pmOPO - RDU
1 stop26h 45mLufthansa
Deal found 4/28$690
This United Airlines deal was found by Cheapflights users on 4/29. 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.
vie. 8/297:10 pmRDU - PDL
1 stop9h 30mUnited Airlines
dom. 9/711:00 amPDL - RDU
2 stops16h 51mUnited Airlines
Deal found 4/29$789
This FlightHub deal was found by Cheapflights users on 4/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/137:00 amRDU - LIS
2 stops21h 20mMultiple Airlines
sáb. 5/245:05 amLIS - RDU
1 stop13h 40mMultiple Airlines
Deal found 4/29$870
This oojo deal was found by Cheapflights users on 4/29. 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. 10/115:45 pmRDU - OPO
2 stops41h 05mTurkish Airlines
dom. 10/1910:45 amOPO - RDU
2 stops27h 15mTurkish Airlines
Deal found 4/29$871
This Justfly.com deal was found by Cheapflights users on 4/29. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/135:35 pmRDU - LIS
2 stops36h 25mTAP AIR PORTUGAL
jue. 9/256:55 amLIS - RDU
2 stops19h 44mTAP AIR PORTUGAL
Deal found 4/29$878
This American Airlines deal was found by Cheapflights users on 4/29. 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.
vie. 8/159:02 amRDU - LIS
1 stop19h 03mAmerican Airlines
sáb. 8/2311:05 amLIS - RDU
1 stop14h 55mAmerican Airlines
Deal found 4/29$882

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 mayo 1, 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

mar. 10/21

9:00 am-11:30 am

2 stops21h 30m

Porto

jue. 11/6

6:00 am-4:08 pm

2 stops39h 08m

$640

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

mar. 10/21

5:54 pm-9:45 am

1 stop10h 51m

Porto

mié. 11/5

6:00 am-6:58 pm

2 stops17h 58m

$642

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

mar. 10/21

6:20 pm-3:30 pm

1 stop16h 10m

Porto

jue. 11/6

5:00 am-5:36 pm

2 stops17h 36m

$655

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

mié. 10/22

6:40 pm-3:35 pm

2 stops15h 55m

Porto

mar. 11/4

5:00 am-5:59 pm

2 stops17h 59m

$665

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

jue. 10/23

2:29 pm-11:40 am

2 stops16h 11m

Porto

mar. 11/4

8:20 am-11:27 pm

2 stops20h 07m

$682

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

mar. 10/21

3:40 pm-3:45 pm

1 stop19h 05m

Porto

mié. 11/5

4:30 pm-2:15 pm

1 stop26h 45m

$690

RaleighPonta Delgada

RDU - PDL

RDUPDL

Raleigh-Durham

vie. 8/29

7:10 pm-8:40 am

1 stop9h 30m

Ponta Delgada Nordela

dom. 9/7

11:00 am-11:51 pm

2 stops16h 51m

$789

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

mar. 5/13

7:00 am-9:20 am

2 stops21h 20m

Lisbon Humberto Delgado

sáb. 5/24

5:05 am-1:45 pm

1 stop13h 40m

$870

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

sáb. 10/11

5:45 pm-3:50 pm

2 stops41h 05m

Porto

dom. 10/19

10:45 am-9:00 am

2 stops27h 15m

$871

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

sáb. 9/13

5:35 pm-11:00 am

2 stops36h 25m

Lisbon Humberto Delgado

jue. 9/25

6:55 am-9:39 pm

2 stops19h 44m

$878

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 54 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 $1,178). 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 mayo 1, 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 mayo 1, 2025.
Get a feel of what it's like to fly with Delta, KLM and Austrian Airlines 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
7,934 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

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
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

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
1,334 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

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.
Austrian Airlines
7.6
Good
781 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

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
1,588 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

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
1,446 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

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?

    $499 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 Icelandair and United Airlines, with prices starting from $575 and $607, 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 $1,178). 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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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 mayo 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$465Average$780FlexibilityNo cancel feeOn-time76%
KLMCheapest$546Average$917FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$570Average$818FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$573Average$975FlexibilityNo cancel feeOn-time71%
Air FranceCheapest$583Average$796FlexibilityNo cancel feeOn-time77%
DeltaCheapest$586Average$939FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$596Average$1,255FlexibilityNo cancel feeOn-time69%
Virgin AtlanticCheapest$618Average$718FlexibilityNo cancel feeOn-time72%
LufthansaCheapest$628Average$1,042FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$724Average$947FlexibilityNo cancel feeOn-time67%

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