Lisbon

$235+ 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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — LIS
Aug 18 — Aug 251
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Raleigh to Lisbon with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 August 13, 2025.

Round-trip from

$720
(United Airlines)

One-way from

$235
(Trip.com)

Popular in

June

Cheapest in

November

Average price

$970
From Raleigh-Durham to Lisbon Humberto Delgado
One-way flight from Raleigh-Durham to Lisbon Humberto Delgado
Highest demand for flights based on searches. 23% potential increase in price ($299 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($41 potential savings vs. average RT price).
Average for round-trip flights in August 2025

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 August 13, 2025.

This United Airlines deal was found by Cheapflights users on 8/11. 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 10/1110:36 amRDU - LIS
1 stop18h 59mUnited Airlines
Tue 11/45:00 amLIS - RDU
2 stops18h 02mUnited Airlines
Deal found 8/11$720
This KAYAK deal was found by Cheapflights users on 8/12. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/133:40 pmRDU - LIS
2 stops16h 55mLufthansa
Wed 10/293:55 pmLIS - RDU
1 stop27h 10mLufthansa
Deal found 8/12$723
This Iberia deal was found by Cheapflights users on 8/11. 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.
Tue 10/1412:09 pmRDU - LIS
2 stops14h 36mIberia
Sun 11/27:45 amLIS - RDU
2 stops16h 39mIberia
Deal found 8/11$725
This United Airlines deal was found by Cheapflights users on 8/11. 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 11/248:00 pmRDU - LIS
2 stops32h 20mUnited Airlines
Sun 11/305:00 amLIS - RDU
2 stops33h 33mUnited Airlines
Deal found 8/11$726
This KLM deal was found by Cheapflights users on 8/12. 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.
Mon 10/136:20 pmRDU - LIS
1 stop18h 30mAir France
Fri 10/316:30 pmLIS - RDU
1 stop27h 15mAir France
Deal found 8/12$727
This Iberia deal was found by Cheapflights users on 8/11. 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.
Thu 11/138:50 pmRDU - LIS
2 stops29h 50mIberia
Wed 12/38:45 pmLIS - RDU
2 stops25h 50mIberia
Deal found 8/11$728
This KAYAK deal was found by Cheapflights users on 8/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/147:45 pmRDU - LIS
2 stops21h 05mLufthansa
Sat 11/15:00 amLIS - RDU
1 stop14h 05mLufthansa
Deal found 8/11$729
This Gotogate deal was found by Cheapflights users on 8/11. 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.
Sun 9/289:00 amRDU - LIS
1 stop19h 20mMultiple Airlines
Tue 10/75:05 amLIS - RDU
1 stop13h 40mMultiple Airlines
Deal found 8/11$730
This Iberia deal was found by Cheapflights users on 8/12. 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.
Wed 10/1512:55 pmRDU - LIS
2 stops17h 55mIberia
Sun 11/27:45 amLIS - RDU
2 stops38h 08mIberia
Deal found 8/12$731
This Iberia deal was found by Cheapflights users on 8/12. 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.
Sat 11/291:22 pmRDU - LIS
2 stops29h 03mIberia
Sat 12/138:20 amLIS - RDU
2 stops15h 35mIberia
Deal found 8/12$732
This Iberia deal was found by Cheapflights users on 8/11. 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.
Wed 10/1512:55 pmRDU - LIS
2 stops29h 30mIberia
Sat 11/16:30 amLIS - RDU
2 stops20h 26mIberia
Deal found 8/11$733

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 August 13, 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 10/11

10:36 am-10:35 am

1 stop18h 59m

Lisbon Humberto Delgado

Tue 11/4

5:00 am-6:02 pm

2 stops18h 02m

$720

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

Mon 10/13

8:15 pm-11:10 pm

2 stops21h 55m

Lisbon Humberto Delgado

Sat 11/1

7:00 am-8:54 pm

2 stops17h 54m

$723

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

Wed 10/15

11:35 am-11:30 pm

2 stops30h 55m

Lisbon Humberto Delgado

Mon 11/3

5:00 am-2:05 pm

1 stop14h 05m

$723

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

Mon 10/13

3:40 pm-1:35 pm

2 stops16h 55m

Lisbon Humberto Delgado

Wed 10/29

3:55 pm-3:05 pm

1 stop27h 10m

$723

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

Wed 10/22

12:09 pm-7:45 am

2 stops14h 36m

Lisbon Humberto Delgado

Sun 11/2

7:45 am-7:24 pm

2 stops16h 39m

$725

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

Mon 11/3

7:35 pm-11:10 pm

2 stops22h 35m

Lisbon Humberto Delgado

Sat 11/8

9:05 pm-6:35 pm

3 stops26h 30m

$725

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

Wed 10/22

12:55 pm-7:45 am

2 stops13h 50m

Lisbon Humberto Delgado

Sat 11/1

6:30 am-10:56 pm

2 stops20h 26m

$725

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

Wed 11/26

6:38 pm-2:50 pm

2 stops15h 12m

Lisbon Humberto Delgado

Sun 11/30

8:45 pm-11:26 pm

2 stops31h 41m

$725

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

Wed 10/15

12:09 pm-7:45 am

2 stops14h 36m

Lisbon Humberto Delgado

Sun 11/2

7:45 am-7:24 pm

2 stops16h 39m

$725

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

Fri 11/28

12:51 pm-7:40 am

2 stops13h 49m

Lisbon Humberto Delgado

Sat 12/13

8:20 am-6:55 pm

2 stops15h 35m

$725

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/11

Showing 1-10 of 15 results
1
2

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 August 8, 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, January is the cheapest month in which you can book a flight from Raleigh to Lisbon (average of $612). Flying from Raleigh to Lisbon in June is currently the most expensive (average of $1,128). 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 August 13, 2025.

It’s typically best to fly out from Raleigh to Lisbon in the morning. Doing so could potentially save you 10% 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.

How much does it cost to fly round-trip from Raleigh to Lisbon?

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 August 13, 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.
8.0
Very good

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good
8.0
Very good

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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

    Flying on United Airlines is currently your cheapest option to Lisbon, with prices starting at $720. Additional round-trip tickets that might be worth considering are offered by British Airways and Lufthansa, with the lowest prices starting at $723 and $723, respectively. Users have found that United Airlines is 25% cheaper than the other options available to this destination.

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

  • 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 $73 per day to make their sightseeing more efficient.

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

  • 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 $612). Flying from Raleigh to Lisbon in June is currently the most expensive (average of $1,128). 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
Beja
Oeiras
Nazaré
Ericeira
Costa da Caparica
Torres Vedras
Sesimbra
Colares

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 August 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$495Average$637FlexibilityNo cancel feeOn-time76%
KLMCheapest$546Average$688FlexibilityNo cancel feeOn-time75%
DeltaCheapest$560Average$903FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$572Average$811FlexibilityNo cancel feeOn-time70%
Air FranceCheapest$587Average$982FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$593Average$1,042FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$601Average$968FlexibilityNo cancel feeOn-time69%
Virgin AtlanticCheapest$618Average$718FlexibilityNo cancel feeOn-time72%
Air CanadaCheapest$667Average$938FlexibilityNo cancel feeOn-time67%
LufthansaCheapest$720Average$995FlexibilityNo cancel feeOn-time76%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.