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$215+ 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 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — LIS
Feb 7 — Feb 141
Sat 2/7
Sat 2/14
1 adult, Economy
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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 January 8, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$379
(Mytrip)

One-way from

$215
(oojo)

Popular in

June

Cheapest in

January

Average price

$554
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. 26% potential increase in price ($330 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($41 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 January 8, 2026.

This Mytrip deal was found by Cheapflights users on 1/7. 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 4/188:30 pmRDU - LIS
1 stop12h 20mIcelandair
Sun 5/33:00 pmLIS - RDU
1 stop33h 30mIcelandair
Deal found 1/7$379
This Mytrip deal was found by Cheapflights users on 1/6. 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.
Tue 1/131:25 pmRDU - LIS
1 stop14h 55mMultiple Airlines
Tue 1/2011:20 amLIS - RDU
1 stop15h 00mMultiple Airlines
Deal found 1/6$432
This United Airlines deal was found by Cheapflights users on 1/6. 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 1/131:25 pmRDU - LIS
1 stop14h 55mUnited Airlines
Tue 1/2011:20 amLIS - RDU
2 stops31h 46mUnited Airlines
Deal found 1/6$436
This Booking.com deal was found by Cheapflights users on 1/6. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/136:18 amRDU - LIS
2 stops22h 02mAir Canada
Tue 1/2011:20 amLIS - RDU
2 stops36h 32mAir Canada
Deal found 1/6$441
This American Airlines deal was found by Cheapflights users on 1/7. 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.
Sun 1/188:45 pmRDU - LIS
1 stop20h 00mAmerican Airlines
Wed 2/1112:30 pmLIS - RDU
2 stops16h 25mAmerican Airlines
Deal found 1/7$448
This Booking.com deal was found by Cheapflights users on 1/6. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/81:25 pmRDU - LIS
1 stop14h 55mAir Canada
Thu 12/1711:20 amLIS - RDU
1 stop15h 00mAir Canada
Deal found 1/6$449
This United Airlines deal was found by Cheapflights users on 1/6. 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 4/72:45 pmRDU - LIS
1 stop13h 35mUnited Airlines
Tue 4/2111:25 amLIS - RDU
1 stop32h 45mUnited Airlines
Deal found 1/6$450
This American Airlines deal was found by Cheapflights users on 1/7. 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.
Tue 2/36:43 pmRDU - LIS
2 stops15h 02mAmerican Airlines
Tue 2/106:30 amLIS - RDU
2 stops17h 15mAmerican Airlines
Deal found 1/7$452
This British Airways deal was found by Cheapflights users on 1/7. 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 2/36:43 pmRDU - LIS
2 stops15h 02mMultiple Airlines
Tue 2/106:30 amLIS - RDU
2 stops17h 15mMultiple Airlines
Deal found 1/7$453
This United Airlines deal was found by Cheapflights users on 1/8. 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.
Sun 1/183:09 pmRDU - LIS
1 stop12h 01mUnited Airlines
Wed 2/1110:15 amLIS - RDU
1 stop12h 31mUnited Airlines
Deal found 1/8$457
This oojo deal was found by Cheapflights users on 1/7. 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.
Tue 4/1412:50 pmRDU - LIS
2 stops20h 35mBritish Airways
Tue 4/211:40 pmLIS - RDU
2 stops25h 50mBritish Airways
Deal found 1/7$458

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 January 8, 2026.
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

Tue 4/14

8:40 pm-3:30 pm

1 stop13h 50m

Lisbon Humberto Delgado

Tue 4/21

7:15 am-4:35 pm

1 stop14h 20m

$458

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

Tue 2/3

1:24 pm-8:10 am

2 stops13h 46m

Lisbon Humberto Delgado

Tue 2/10

10:15 am-5:44 pm

1 stop12h 29m

$462

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

Thu 4/9

10:38 am-10:30 am

1 stop18h 52m

Lisbon Humberto Delgado

Thu 4/16

11:25 am-5:18 pm

2 stops34h 53m

$462

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

Wed 2/18

6:40 pm-5:40 pm

2 stops18h 00m

Lisbon Humberto Delgado

Sat 2/28

12:55 pm-9:52 am

2 stops25h 57m

$483

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

Sat 2/7

7:30 am-8:55 am

2 stops20h 25m

Lisbon Humberto Delgado

Sat 2/14

5:00 am-1:45 pm

1 stop13h 45m

$489

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

Sat 2/21

6:29 am-10:15 am

2 stops22h 46m

Lisbon Humberto Delgado

Sat 2/28

5:00 am-1:45 pm

1 stop13h 45m

$490

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

Fri 2/20

10:00 am-10:15 am

2 stops19h 15m

Lisbon Humberto Delgado

Fri 2/27

5:00 am-9:33 pm

2 stops21h 33m

$498

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

Fri 1/23

3:40 pm-8:10 am

1 stop11h 30m

Lisbon Humberto Delgado

Tue 1/27

10:15 am-5:44 pm

1 stop12h 29m

$507

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

Wed 4/22

2:32 pm-2:05 pm

2 stops18h 33m

$215

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

Mon 5/11

5:59 pm-7:05 pm

3 stops44h 06m

$270

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/7

Showing 1-10 of 18 results
1
2

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 January.
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
OvagoPrice Accuracy2 starsTrust Score*2 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 January 2, 2026.

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, January is the cheapest month in which you can book a flight from Raleigh to Lisbon (average of $374). Flying from Raleigh to Lisbon in June is currently the most expensive (average of $984). 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.

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 January 8, 2026.
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
8,032 reviews

Entertainment

7.8

Food

7.2

Comfort

7.9

Crew

8.5

Overall

7.9

Boarding

8.1

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
8,032 reviews
Delta
7.9
Good
8,032 reviews

Entertainment

7.8

Food

7.2

Comfort

7.9

Crew

8.5

Overall

7.9

Boarding

8.1

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
1,519 reviews
Delta
7.9
Good
8,032 reviews

Entertainment

7.8

Food

7.2

Comfort

7.9

Crew

8.5

Overall

7.9

Boarding

8.1

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
9,143 reviews
Delta
7.9
Good
8,032 reviews

Entertainment

7.8

Food

7.2

Comfort

7.9

Crew

8.5

Overall

7.9

Boarding

8.1

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
11,097 reviews
Delta
7.9
Good
8,032 reviews

Entertainment

7.8

Food

7.2

Comfort

7.9

Crew

8.5

Overall

7.9

Boarding

8.1

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.
Lufthansa
6.8
Okay
7,697 reviews
Delta
7.9
Good
8,032 reviews

Entertainment

7.8

Food

7.2

Comfort

7.9

Crew

8.5

Overall

7.9

Boarding

8.1

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 $462, American Airlines can have you in Lisbon from Raleigh in 13h 46m. Raleigh and Lisbon are separated by a distance of 3734 mi. This flight may include one or multiple stops.

  • 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 $374. Additional round-trip tickets that might be worth considering are offered by KLM and Lufthansa, with the lowest prices starting at $505 and $528, respectively. Users have found that Icelandair is 58% cheaper than the other options available to this destination.

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

    One-way options have recently been found by users for as low as $266 on American Airlines. Other airlines that offer cheap prices include TAP AIR PORTUGAL from $373 and United Airlines from $386 one-way.

  • 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 $53 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, January is the cheapest month in which you can book a flight from Raleigh to Lisbon (average of $374). Flying from Raleigh to Lisbon in June is currently the most expensive (average of $984). 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
Fátima
Oeiras
Ericeira
Beja
Costa da Caparica
Torres Vedras
Nazaré
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 January 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$374Average$514FlexibilityNo cancel feeOn-time76%
KLMCheapest$505Average$842FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$528Average$896FlexibilityNo cancel feeOn-time76%
Air FranceCheapest$553Average$855FlexibilityNo cancel feeOn-time77%
DeltaCheapest$557Average$917FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$566Average$913FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$595Average$1,041FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$620Average$969FlexibilityNo cancel feeOn-time67%
British AirwaysCheapest$683Average$869FlexibilityNo cancel feeOn-time70%
TAP AIR PORTUGALCheapest$718Average$1,001FlexibilityNo cancel feeOn-timeN/A

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