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$211+ 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 8/2. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — LIS
Jul 6 — Jul 131
Sun 7/6
Sun 7/13
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 July 1, 2025.

Round-trip from

$580
(Kiwi.com)

One-way from

$211
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$1,228
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 ($310 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 July 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 July 1, 2025.

This Gotogate deal was found by Cheapflights users on 6/29. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/18:30 pmRDU - LIS
1 stop19h 50mIcelandair
Thu 11/69:20 pmLIS - RDU
1 stop26h 10mIcelandair
Deal found 6/29$470
This Kiwi.com deal was found by Cheapflights users on 6/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/282:33 pmRDU - LIS
1 stop15h 22mMultiple Airlines
Thu 11/69:05 pmLIS - RDU
2 stops46h 42mMultiple Airlines
Deal found 6/30$540
This Air Canada deal was found by Cheapflights users on 6/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/251:45 pmRDU - LIS
1 stop14h 35mAir Canada
Tue 12/211:20 amLIS - RDU
2 stops41h 21mAir Canada
Deal found 6/30$544
This United Airlines deal was found by Cheapflights users on 6/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/243:15 pmRDU - LIS
1 stop11h 55mUnited Airlines
Tue 12/211:20 amLIS - RDU
2 stops36h 22mUnited Airlines
Deal found 6/30$548
This Delta deal was found by Cheapflights users on 7/1. 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.
Wed 11/123:10 pmRDU - LIS
1 stop11h 50mDelta
Tue 11/1811:15 amLIS - RDU
2 stops17h 40mDelta
Deal found 7/1$566
This Lufthansa deal was found by Cheapflights users on 6/30. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/194:40 pmRDU - LIS
2 stops35h 40mLufthansa
Mon 11/312:30 pmLIS - RDU
2 stops40h 00mLufthansa
Deal found 6/30$586
This Iberia deal was found by Cheapflights users on 6/30. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/299:09 amRDU - LIS
2 stops28h 56mIberia
Fri 11/78:20 amLIS - RDU
2 stops37h 11mIberia
Deal found 6/30$590

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 July 1, 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 11/1

8:30 pm-8:20 pm

1 stop19h 50m

Lisbon Humberto Delgado

Thu 11/6

9:20 pm-6:30 pm

1 stop26h 10m

$470

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

Tue 10/28

2:33 pm-9:55 am

1 stop15h 22m

Lisbon Humberto Delgado

Thu 11/6

9:05 pm-2:47 pm

2 stops46h 42m

$540

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

Tue 11/25

1:45 pm-9:20 am

1 stop14h 35m

Lisbon Humberto Delgado

Tue 12/2

11:20 am-11:41 pm

2 stops41h 21m

$544

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

Mon 11/24

3:15 pm-8:10 am

1 stop11h 55m

Lisbon Humberto Delgado

Tue 12/2

11:20 am-6:42 pm

2 stops36h 22m

$548

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

Wed 11/12

3:10 pm-8:00 am

1 stop11h 50m

Lisbon Humberto Delgado

Tue 11/18

11:15 am-11:55 pm

2 stops17h 40m

$566

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

Sun 10/19

4:40 pm-9:20 am

2 stops35h 40m

Lisbon Humberto Delgado

Mon 11/3

12:30 pm-11:30 pm

2 stops40h 00m

$586

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

Wed 10/29

9:09 am-6:05 pm

2 stops28h 56m

Lisbon Humberto Delgado

Fri 11/7

8:20 am-4:31 pm

2 stops37h 11m

$590

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

Sat 8/2

7:13 pm-5:30 am

1 stop29h 17m

$211

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

Wed 8/27

8:30 pm-9:20 pm

1 stop19h 50m

$324

RaleighLisbon

RDU - LIS

RDULIS

Raleigh-Durham

Wed 7/23

5:45 pm-10:05 am

1 stop11h 20m

$355

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

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 June 27, 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 $1,130). 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 July 1, 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.

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 July 1, 2025.
Get a feel of what it's like to fly with United Airlines, Air Canada, and TAP AIR PORTUGAL 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.
United Airlines
7.4
Good
8,858 reviews

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.0

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,858 reviews
United Airlines
7.4
Good
8,858 reviews

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.0

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Air Canada
7.1
Good
9,669 reviews
United Airlines
7.4
Good
8,858 reviews

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.0

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
TAP AIR PORTUGAL
7.1
Good
1,912 reviews
United Airlines
7.4
Good
8,858 reviews

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.0

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Icelandair
7.0
Good
514 reviews
United Airlines
7.4
Good
8,858 reviews

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.0

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
British Airways
6.6
Okay
7,086 reviews
United Airlines
7.4
Good
8,858 reviews

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.0

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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 Icelandair is currently your cheapest option to Lisbon, with prices starting at $668. Additional round-trip tickets that might be worth considering are offered by TAP AIR PORTUGAL and United Airlines, with the lowest prices starting at $738 and $746, respectively. Users have found that Icelandair is 30% 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 $324 on Icelandair. Other airlines that offer cheap prices include TAP AIR PORTUGAL from $355 and Air Canada from $569 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 $63 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 $1,130). 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 July 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$495Average$637FlexibilityNo cancel feeOn-time76%
KLMCheapest$546Average$832FlexibilityNo cancel feeOn-time75%
DeltaCheapest$567Average$885FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$570Average$809FlexibilityNo cancel feeOn-time70%
Air FranceCheapest$587Average$958FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$594Average$1,071FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$599Average$970FlexibilityNo cancel feeOn-time69%
Virgin AtlanticCheapest$618Average$718FlexibilityNo cancel feeOn-time72%
Air CanadaCheapest$667Average$935FlexibilityNo cancel feeOn-time67%
LufthansaCheapest$771Average$1,058FlexibilityNo cancel feeOn-time76%

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