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$277+ Cheap flights from Raleigh (RDU) to Lisbon (LIS)

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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — LIS
Dec 10 — Dec 171
Wed 12/10
Wed 12/17
1 adult, Economy
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Cheapflights Tip: The best prices from Raleigh-Durham to Lisbon Humberto Delgado are usually found in November or February, booked 81 days in advance, depart on a Wednesday or Tuesday and return on a Thursday

Cheap flight deals from Raleigh to Lisbon

Discover tips and strategies to find the most affordable flight options for your journey from Raleigh (RDU) to Lisbon (LIS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 10, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$369
(Mytrip)

One-way from

$277
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$697
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 Lisbon Humberto Delgado
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One-way flight from Raleigh-Durham to Lisbon Humberto Delgado
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Highest demand for flights based on searches. 24% potential increase in price ($302 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($40 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Raleigh to Lisbon

Cheapest flights from Raleigh to Lisbon
Explore the most affordable flight options available from Raleigh to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 10, 2025.

This Mytrip deal was found by Cheapflights users on 11/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/67:35 pmRDU - LIS
1 stop19h 45mIcelandair
Sun 12/219:20 pmLIS - RDU
1 stop26h 15mIcelandair
Deal found 11/9$369
This oojo deal was found by Cheapflights users on 11/9. 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.
Wed 12/107:35 pmRDU - LIS
1 stop19h 45mIcelandair
Sun 12/149:20 pmLIS - RDU
1 stop26h 15mIcelandair
Deal found 11/9$450
This United Airlines deal was found by Cheapflights users on 11/8. 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 12/61:25 pmRDU - LIS
1 stop14h 30mUnited Airlines
Sat 12/1311:20 amLIS - RDU
2 stops34h 58mUnited Airlines
Deal found 11/8$478
This United Airlines deal was found by Cheapflights users on 11/10. 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.
Thu 12/117:45 pmRDU - LIS
1 stop9h 30mUnited Airlines
Tue 12/1611:20 amLIS - RDU
2 stops31h 47mUnited Airlines
Deal found 11/10$483
This United Airlines deal was found by Cheapflights users on 11/10. 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 12/106:10 amRDU - LIS
1 stop23h 05mUnited Airlines
Wed 12/1711:00 amLIS - RDU
1 stop32h 08mUnited Airlines
Deal found 11/10$485
This United Airlines deal was found by Cheapflights users on 11/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/107:45 pmRDU - LIS
1 stop9h 30mUnited Airlines
Sun 12/1410:50 amLIS - RDU
2 stops39h 31mUnited Airlines
Deal found 11/9$489
This Air France deal was found by Cheapflights users on 11/8. 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.
Sat 12/66:55 pmRDU - LIS
1 stop11h 25mAir France
Sat 12/135:30 amLIS - RDU
1 stop16h 15mAir France
Deal found 11/8$491
This American Airlines deal was found by Cheapflights users on 11/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/118:40 pmRDU - LIS
1 stop16h 20mAmerican Airlines
Tue 12/1611:05 amLIS - RDU
1 stop14h 47mAmerican Airlines
Deal found 11/9$497
This United Airlines deal was found by Cheapflights users on 11/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/21:25 pmRDU - LIS
1 stop14h 55mUnited Airlines
Tue 12/1611:20 amLIS - RDU
2 stops36h 27mUnited Airlines
Deal found 11/9$513
This Gotogate deal was found by Cheapflights users on 11/9. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/33:15 pmRDU - LIS
1 stop12h 40mMultiple Airlines
Wed 12/1011:00 amLIS - RDU
2 stops15h 20mMultiple Airlines
Deal found 11/9$514

Cheapflights Fare Finder

 
Customize your flight search to find flights from Raleigh to Lisbon 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 November 10, 2025.
Use the filters below to find and compare flights from Raleigh to Lisbon that are best for you.

Fly from

Raleigh

Fly to

Lisbon

Route

Depart

Return

Price

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

Sat 12/6

1:25 pm-8:55 am

1 stop14h 30m

Lisbon Humberto Delgado

Sat 12/13

11:20 am-5:18 pm

2 stops34h 58m

$478

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

Fri 2/13

8:00 pm-8:55 am

2 stops31h 55m

Lisbon Humberto Delgado

Tue 2/24

11:20 am-9:24 pm

2 stops39h 04m

$482

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

Thu 12/11

6:10 am-10:15 am

1 stop23h 05m

Lisbon Humberto Delgado

Tue 12/16

11:20 am-9:21 pm

2 stops39h 01m

$483

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

Sun 2/8

6:00 am-8:10 am

1 stop21h 10m

Lisbon Humberto Delgado

Mon 2/23

11:20 am-9:20 pm

2 stops39h 00m

$484

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

Wed 12/10

6:10 am-10:15 am

1 stop23h 05m

Lisbon Humberto Delgado

Wed 12/17

11:00 am-2:08 pm

1 stop32h 08m

$485

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

Wed 12/10

7:45 pm-10:15 am

1 stop9h 30m

Lisbon Humberto Delgado

Sun 12/14

10:50 am-9:21 pm

2 stops39h 31m

$489

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

Thu 1/15

11:18 am-9:20 am

2 stops17h 02m

Lisbon Humberto Delgado

Sat 1/24

6:10 am-9:33 pm

2 stops20h 23m

$491

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

Thu 1/15

10:31 pm-11:15 pm

3 stops43h 44m

$277

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

Fri 3/13

5:34 am-12:05 pm

2 stops26h 31m

$288

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

Fri 3/13

12:45 pm-9:55 am

1 stop17h 10m

$378

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/9

Showing 1-10 of 13 results
1
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Compare providers for flights from Raleigh to Lisbon

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Raleigh to Lisbon in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Raleigh-Lisbon flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Raleigh-Lisbon flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Raleigh-Lisbon flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Raleigh-Lisbon flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Raleigh-Lisbon flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Raleigh to Lisbon

Have a flexible travel schedule? Discover the best time to fly to Lisbon 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 Lisbon

How far ahead should I book a flight from Raleigh to Lisbon?

Use this chart to determine the optimal time to book a round-trip flight from Raleigh to Lisbon. Price data was last updated on November 7, 2025.

The price you pay for your flight from Raleigh to Lisbon may vary depending on when you book. For the best chance of a lower fare, look to book 81 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Raleigh to Lisbon?

Currently, December is the cheapest month in which you can book a flight from Raleigh to Lisbon (average of $514). Flying from Raleigh to Lisbon in June is currently the most expensive (average of $1,031). 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 LIS?

Find hourly flight availability from Raleigh to Lisbon. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 10, 2025.

It’s typically best to fly out from Raleigh to Lisbon in the morning. Doing so could potentially save you 9% on the flight price compared to flying in the afternoon, which is usually more expensive.

What is the cheapest day to fly from Raleigh to Lisbon?

Use this chart to determine the cheapest time to fly round-trip from Raleigh to Lisbon. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Raleigh to Lisbon flight should consider departing on Monday at noon when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Lisbon

Get insights into the airlines that provide service to Lisbon. 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 Lisbon. Reviews last updated November 10, 2025.
Get a feel of what it's like to fly with Delta, Air France, and United Airlines from Raleigh to Lisbon by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,006 reviews

Crew

8.5

Overall

7.9

Entertainment

7.9

Comfort

7.9

Boarding

8.1

Food

7.3

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
8,006 reviews
Delta
7.9
Good
8,006 reviews

Crew

8.5

Overall

7.9

Entertainment

7.9

Comfort

7.9

Boarding

8.1

Food

7.3

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
1,486 reviews
Delta
7.9
Good
8,006 reviews

Crew

8.5

Overall

7.9

Entertainment

7.9

Comfort

7.9

Boarding

8.1

Food

7.3

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
9,012 reviews
Delta
7.9
Good
8,006 reviews

Crew

8.5

Overall

7.9

Entertainment

7.9

Comfort

7.9

Boarding

8.1

Food

7.3

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
11,047 reviews
Delta
7.9
Good
8,006 reviews

Crew

8.5

Overall

7.9

Entertainment

7.9

Comfort

7.9

Boarding

8.1

Food

7.3

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
2,057 reviews
Delta
7.9
Good
8,006 reviews

Crew

8.5

Overall

7.9

Entertainment

7.9

Comfort

7.9

Boarding

8.1

Food

7.3

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 Lisbon. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Raleigh to Lisbon?

    For as low as $478, United Airlines can have you in Lisbon from Raleigh in 14h 30m. Raleigh and Lisbon are separated by a distance of 3734 mi.

  • What are the cheapest airlines flying from Raleigh to Lisbon round-trip?

    Flying on Icelandair is currently your cheapest option to Lisbon, with prices starting at $458. Additional round-trip tickets that might be worth considering are offered by Virgin Atlantic and KLM, with the lowest prices starting at $540 and $570, respectively. Users have found that Icelandair is 51% cheaper than the other options available to this destination.

  • Where are the most common layover locations when flying from Raleigh to Lisbon?

    Flights departing from Raleigh and landing in Lisbon layover in Philadelphia most frequently.

  • What are some popular things to do or see while on a layover in Philadelphia?

    Philadelphia travelers tend to visit Rittenhouse Square, University of Pennsylvania, and Citizens Bank Park more than anywhere else. Travelers on a layover in Philadelphia can visit Rittenhouse Square, University of Pennsylvania, and Citizens Bank Park, by traveling 6.1 mi, 5.7 mi, and 4.3 mi, respectively after landing at Philadelphia. Travelers can book a car rental at Philadelphia for about $54 per day to make their sightseeing more efficient.

  • Where are the least popular layover locations for Raleigh to Lisbon flights?

    Raleigh to Lisbon flights have a layover in Washington, D.C. least often.

  • Can I find deals for flights from Raleigh to Lisbon that include hotel bookings?

    Yes. In addition to deals on Raleigh to Lisbon flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Raleigh to Lisbon?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Raleigh to Lisbon.

  • Can I find deals for business class flights from Raleigh to Lisbon?

    Yes. Cheapflights offers flight deals from Raleigh to Lisbon 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 Lisbon?

    Currently, December is the cheapest month in which you can book a flight from Raleigh to Lisbon (average of $514). Flying from Raleigh to Lisbon in June is currently the most expensive (average of $1,031). 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

Traveling to a place near Lisbon?

Book flights to Lisbon if you plan to visit one of these locations
Sintra
Fátima
Oeiras
Ericeira
Nazaré
Costa da Caparica
Torres Vedras
Beja
Sesimbra
Colares

Browse thousands of different options on Cheapflights for your next trip

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Top 10 airlines flying from Raleigh to Lisbon

Discover the top 10 airlines that operate flights from Raleigh to Lisbon. 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 November 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$458Average$556FlexibilityNo cancel feeOn-time76%
Virgin AtlanticCheapest$540Average$718FlexibilityNo cancel feeOn-time72%
KLMCheapest$570Average$867FlexibilityNo cancel feeOn-time75%
DeltaCheapest$575Average$905FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$592Average$945FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$595Average$964FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$619Average$1,065FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$620Average$961FlexibilityNo cancel feeOn-time67%
Air FranceCheapest$633Average$903FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$682Average$860FlexibilityNo cancel feeOn-time70%

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