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$239+ 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 7/26. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — LIS
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 54 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 June 12, 2025.

Round-trip from

$865
(Gotogate)

One-way from

$239
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$1,424
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 ($308 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 June 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 June 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/10. 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.
Mon 7/71:30 pmRDU - LIS
2 stops14h 50mUnited Airlines
Tue 7/2211:25 amLIS - RDU
2 stops34h 51mUnited Airlines
Deal found 6/10$870
This Air Canada deal was found by Cheapflights users on 6/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/169:00 amRDU - LIS
2 stops21h 05mAir Canada
Wed 7/2311:25 amLIS - RDU
2 stops31h 48mAir Canada
Deal found 6/11$872
This Lufthansa deal was found by Cheapflights users on 6/10. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/204:00 pmRDU - LIS
1 stop14h 40mLufthansa
Sat 11/295:00 amLIS - RDU
1 stop14h 05mLufthansa
Deal found 6/10$873
This FlightHub deal was found by Cheapflights users on 6/9. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/35:05 pmRDU - LIS
2 stops36h 55mTAP AIR PORTUGAL
Fri 11/74:40 pmLIS - RDU
1 stop20h 06mTAP AIR PORTUGAL
Deal found 6/9$882
This Mytrip deal was found by Cheapflights users on 6/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1610:34 amRDU - LIS
2 stops19h 31mMultiple Airlines
Thu 7/247:30 amLIS - RDU
2 stops21h 17mMultiple Airlines
Deal found 6/12$884
This oojo deal was found by Cheapflights users on 6/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/611:17 amRDU - LIS
2 stops31h 18mTurkish Airlines
Sat 9/134:45 pmLIS - RDU
2 stops22h 47mTurkish Airlines
Deal found 6/10$886
This British Airways deal was found by Cheapflights users on 6/11. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/151:10 pmRDU - LIS
1 stop14h 55mBritish Airways
Tue 7/2911:05 amLIS - RDU
1 stop16h 54mBritish Airways
Deal found 6/11$893
This Finnair deal was found by Cheapflights users on 6/10. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/148:50 pmRDU - LIS
1 stop32h 05mFinnair
Sat 11/226:30 amLIS - RDU
2 stops21h 57mFinnair
Deal found 6/10$897
This Iberia deal was found by Cheapflights users on 6/10. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1712:49 pmRDU - LIS
2 stops29h 36mIberia
Sun 8/247:05 pmLIS - RDU
2 stops32h 58mIberia
Deal found 6/10$903
This FlightHub deal was found by Cheapflights users on 6/9. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/238:30 pmRDU - LIS
1 stop19h 50mIcelandair
Sun 8/310:20 pmLIS - RDU
1 stop26h 10mIcelandair
Deal found 6/9$909
This SWISS deal was found by Cheapflights users on 6/11. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/49:23 amRDU - LIS
2 stops32h 57mSWISS
Mon 8/115:55 amLIS - RDU
2 stops40h 13mSWISS
Deal found 6/11$913
This Cheapflightsfares deal was found by Cheapflights users on 6/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/276:47 amRDU - LIS
2 stops22h 58mAer Lingus
Sun 8/310:15 pmLIS - RDU
2 stops29h 44mAer Lingus
Deal found 6/12$1,029

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 June 12, 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

Mon 7/7

1:30 pm-9:20 am

2 stops14h 50m

Lisbon Humberto Delgado

Tue 7/22

11:25 am-5:16 pm

2 stops34h 51m

$870

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

Wed 7/16

9:00 am-11:05 am

2 stops21h 05m

Lisbon Humberto Delgado

Wed 7/23

11:25 am-2:13 pm

2 stops31h 48m

$872

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

Sun 8/10

4:35 pm-11:05 am

1 stop13h 30m

Lisbon Humberto Delgado

Mon 8/18

4:20 pm-9:15 pm

2 stops33h 55m

$875

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

Wed 7/16

10:34 am-11:05 am

2 stops19h 31m

Lisbon Humberto Delgado

Thu 7/24

7:30 am-11:47 pm

2 stops21h 17m

$884

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

Sat 9/6

11:17 am-11:35 pm

2 stops31h 18m

Lisbon Humberto Delgado

Sat 9/13

4:45 pm-10:32 am

2 stops22h 47m

$886

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

Tue 7/15

1:10 pm-9:05 am

1 stop14h 55m

Lisbon Humberto Delgado

Tue 7/29

11:05 am-10:59 pm

1 stop16h 54m

$893

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

Sun 8/17

12:49 pm-11:25 pm

2 stops29h 36m

Lisbon Humberto Delgado

Sun 8/24

7:05 pm-11:03 pm

2 stops32h 58m

$903

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

Wed 7/23

8:30 pm-9:20 pm

1 stop19h 50m

Lisbon Humberto Delgado

Sun 8/3

10:20 pm-7:30 pm

1 stop26h 10m

$909

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

Mon 8/4

9:23 am-11:20 pm

2 stops32h 57m

Lisbon Humberto Delgado

Mon 8/11

5:55 am-5:08 pm

2 stops40h 13m

$913

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

Mon 7/7

5:35 pm-7:15 pm

2 stops20h 40m

Lisbon Humberto Delgado

Tue 7/15

5:35 pm-8:05 am

1 stop19h 30m

$946

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 16 results
1
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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 June 9, 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 54 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 $1,136). 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 June 12, 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.

Rainfall in Lisbon by month

Plan your trip to Lisbon by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Lisbon 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 Lisbon when rainfall is around 0.2 in.

Temperature in Lisbon by month

Plan your trip to Lisbon by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Lisbon, 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 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 June 12, 2025.
Read reviews from past customers who have flown Finnair, SWISS and United Airlines from Raleigh to Lisbon. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.6
Good
1,290 reviews

Boarding

7.6

Food

6.7

Crew

8.1

Comfort

7.4

Overall

7.6

Entertainment

6.9

Reviews

1 / 20
4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight
Finnair
7.6
Good
1,290 reviews
Finnair
7.6
Good
1,290 reviews

Boarding

7.6

Food

6.7

Crew

8.1

Comfort

7.4

Overall

7.6

Entertainment

6.9

Reviews

1 / 20
4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight
SWISS
7.5
Good
1,623 reviews
Finnair
7.6
Good
1,290 reviews

Boarding

7.6

Food

6.7

Crew

8.1

Comfort

7.4

Overall

7.6

Entertainment

6.9

Reviews

1 / 20
4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight
United Airlines
7.4
Good
8,790 reviews
Finnair
7.6
Good
1,290 reviews

Boarding

7.6

Food

6.7

Crew

8.1

Comfort

7.4

Overall

7.6

Entertainment

6.9

Reviews

1 / 20
4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight
Turkish Airlines
7.3
Good
3,848 reviews
Finnair
7.6
Good
1,290 reviews

Boarding

7.6

Food

6.7

Crew

8.1

Comfort

7.4

Overall

7.6

Entertainment

6.9

Reviews

1 / 20
4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight
American Airlines
7.2
Good
10,000 reviews
Finnair
7.6
Good
1,290 reviews

Boarding

7.6

Food

6.7

Crew

8.1

Comfort

7.4

Overall

7.6

Entertainment

6.9

Reviews

1 / 20
4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the 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 Air Canada is currently your cheapest option to Lisbon, with prices starting at $865. Additional round-trip tickets that might be worth considering are offered by United Airlines and Lufthansa, with the lowest prices starting at $870 and $873, respectively. Users have found that Air Canada is 9% 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 $464 on TAP AIR PORTUGAL. Other airlines that offer cheap prices include United Airlines from $578 and American Airlines from $582 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 $62 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 $612). Flying from Raleigh to Lisbon in June is currently the most expensive (average of $1,136). 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 Raleigh?

Book flights to Raleigh if you plan to visit one of these locations
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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$465Average$637FlexibilityNo cancel feeOn-time76%
KLMCheapest$546Average$832FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$571Average$809FlexibilityNo cancel feeOn-time70%
DeltaCheapest$572Average$906FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$587Average$941FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$594Average$1,063FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$596Average$973FlexibilityNo cancel feeOn-time69%
Virgin AtlanticCheapest$618Average$718FlexibilityNo cancel feeOn-time72%
Air CanadaCheapest$667Average$932FlexibilityNo cancel feeOn-time67%
LufthansaCheapest$821Average$1,054FlexibilityNo cancel feeOn-time76%

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