$348 Find Cheap Flights from Greensboro to Portugal

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Greensboro to Portugal departing on 5/18. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Flight Deals

Book Cheap Greensboro to Portugal Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Greensboro to Portugal that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Greensboro to Portugal

Wed, Mar 4 - Mon, Mar 16
British Airways Logo
1:30 pm - 8:55 am
GSO
-
LIS
14h 25m
1 stop
British Airways Logo
3:50 pm - 8:49 pm
LIS
-
GSO
32h 59m
2 stops
$522British Airways
Mon, May 4 - Thu, May 14
United Airlines Logo
5:40 pm - 8:20 am
GSO
-
LIS
9h 40m
1 stop
United Airlines Logo
10:25 am - 4:49 pm
LIS
-
GSO
11h 24m
1 stop
$543United Airlines
Mon, May 4 - Thu, May 14
Delta Logo
6:00 pm - 5:50 pm
GSO
-
LIS
18h 50m
2 stops
Delta Logo
5:00 am - 10:10 pm
LIS
-
GSO
22h 10m
2 stops
$546Delta
Mon, Mar 16 - Mon, Mar 23
British Airways Logo
1:06 pm - 9:55 pm
GSO
-
LIS
28h 49m
2 stops
British Airways Logo
6:35 pm - 8:49 pm
LIS
-
GSO
30h 14m
2 stops
$557British Airways
Mon, Mar 16 - Mon, Mar 23
British Airways Logo
1:06 pm - 9:05 am
GSO
-
LIS
15h 59m
1 stop
British Airways Logo
6:35 pm - 8:49 pm
LIS
-
GSO
30h 14m
2 stops
$567British Airways
Wed, Apr 29 - Thu, May 7
British Airways Logo
1:01 pm - 5:55 pm
GSO
-
LIS
23h 54m
2 stops
British Airways Logo
7:20 am - 11:43 pm
LIS
-
GSO
21h 23m
2 stops
$574British Airways
Wed, Apr 29 - Thu, May 7
British Airways Logo
1:01 pm - 3:40 pm
GSO
-
LIS
21h 39m
2 stops
British Airways Logo
7:20 am - 11:43 pm
LIS
-
GSO
21h 23m
2 stops
$575British Airways
Tue, Mar 17 - Tue, Mar 24
Multiple Airlines Logo
1:44 pm - 9:05 am
GSO
-
LIS
15h 21m
1 stop
Multiple Airlines Logo
7:05 am - 10:47 pm
LIS
-
GSO
19h 42m
2 stops
$577Multiple Airlines
Mon, Mar 9 - Thu, Mar 26
Delta Logo
6:35 am - 8:00 am
GSO
-
LIS
21h 25m
2 stops
Delta Logo
5:00 am - 9:24 pm
LIS
-
GSO
20h 24m
2 stops
$579Delta
Tue, Mar 17 - Tue, Mar 24
United Airlines Logo
7:35 pm - 1:30 pm
GSO
-
FNC
13h 55m
2 stops
United Airlines Logo
4:10 am - 7:59 pm
FNC
-
GSO
19h 49m
2 stops
$2,271United Airlines
Booking Insights

KAYAK's insights & trends for Greensboro to Portugal flights

Get data-powered insights and trends into flights from Greensboro to Portugal to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from Greensboro to Portugal?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 72 hours.

In the past 3 days, the cheapest round-trip tickets from Greensboro to Portugal were found on British Airways ($522) and Delta ($546).

Good to know

Low seasonFebruary
Cheapest flight$348
Best time to beat the crowds with an average 44% drop in price.
Most popular time to fly with an average 21% increase in price.
Flight from Greensboro to Lisbon

FAQs - booking Portugal flights

  • How does KAYAK find such low prices on flights from Greensboro to Portugal?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Greensboro to Portugal.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Greensboro to Portugal?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Greensboro to Portugal is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Greensboro to Portugal?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Greensboro to Portugal with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Greensboro to Portugal?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Greensboro to Portugal up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top 3 airlines serving from Greensboro to Portugal

 
Need help choosing which airline to fly with from Greensboro to Portugal? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.4
United AirlinesOverall score based on 9322 reviews
7.7Boarding
6.6Food
7.3Comfort
8.1Crew
7.1Entertainment
Airline reviews

We were delayed for about an hour from taking off due to traffic control procedures at the destination airport. But once in the air, the flight went well. The crew members were great and provided cabin service despite moderate turbulence during much of the flight.

8.0 ExcellentDr. Joseph, Feb 2026
ORD - DCA
Read more United Airlines reviews

We were delayed for about an hour from taking off due to traffic control procedures at the destination airport. But once in the air, the flight went well. The crew members were great and provided cabin service despite moderate turbulence during much of the flight.

it was a very short flight so my expectations were low.

As great a red-eye flight as red-eye flights can be.

Once boarding started it was pretty quick. Food was inedible; cold and salty..

Entertainment kept turning itself off. Gave up on watching a movie.

Both the WIFI and entertainment did not work for 2.5h

The crew made our experience extremely bad. They were rude and didn’t have anything for kids.

Very old flight - time to retire it for newer airplanes

2+ hours delayed Outlet in row 12 did not work Tv monitors did not work Lights kept off the entire flight for at 5pm-7pm flight

Very disappointing given gate agent behavior. Filed a formal complaint with United.

I like that the flight attendant was very attentive and helpful. The meal menu could have more of an variety of food choices.

We missed our flight and got stranded in Miami where we had to rent a hotel we could not afford. they would not work with us because they said it was weather related even though the gate attendant said it was not. I could go on but trying to get satisfaction has wore me down, which I believe is the intent. My only solution is to never fly AA again.

Overall it was a good flight. Because we traveled on a Saturday we were upgraded to FC since my wife and I are both Executive Platinum. The only areas for improvement we noted are better snack assortment and perhaps a little nicer plane as American is flying some older planes now. Everything else on this flight was excellent, which is frankly not the norm for American since we have had multiple issues on prior AA flights.

Didn't get a seat assignment until the last minute even though i picked a seat.

Flight was smooth, quick and felt safe. The 2 delays not happening would have been better but I guess that happens in the airline industry

2 hour delay due to equipment failure. No updates via the app and airport screens (which continued to show a departure time in the past). AA eventually switched planes and the new plane was not catered or cleaned correctly.

Could we please end the loud announcements about credit card offers on your flights? We are trying to sleep, work, watch videos, etc. and if we need a credit card, we will ask for one. Flying is already not what it used to be.

Bags took over and hour to come out. Delays due to wind caused rebooking.

Lower WiFi prices; allow us to see our flight on a map; more variety of drink choices.

Flight was on time is the only good thing. Person loading the plane called 1-6 to board at the same time, made it chaotic. Plane was too small for even putting backpacks in overhead. Seat for normal sized people were too small. The WIFI didn't work. When we landed had to wait because not enough ground crew.

Late! Late and late! More than 1hr 30mn. This sucks when it is the last of a 4 flight journey. I missed my dinner! Which is not nice on Valentine’s Day!!! But better than the gate next to us, the poor Chinese people were rebooked to the next day flight. AA had to call security as it became very heated with the passengers! It was a mess at DFW that afternoon/evening. I wish they had some food for the people who travel as part of international journey. Indigo does it in India and it is fantastic.

They had us seating down for one hour just waiting on the plane

Flying with BA is always a good experience—even in economy class. It is better if in business and first class. Timely, breeze through security and timely connections

We waited at BOS at the gate for an hour and couldn’t get a drink or anything. Once in the air the service, food and ride was excellent.

My enetertainmnet screen was broken. Lost my bags. Almost missed my flight do to connection issues with (despite a request) ZERO help from crew. Food was edible. Potatoes pretty good even

Our Jackson, Mississippi to Dallas Fort Worth flight was delayed on 1/19/26.. This was changed to Jackson to Charlotte in the last minute because of this delay. This started some kind of disconnect between American Airlines and British Airways bookings. We could not go past the passport control in London Heathrow. I had to go to the counter and waited for more than 30 minutes to get a new boarding pass. Problems did not end there. Somehow our entire return flight was canceled by someone. I had to make several phone calls over several days to fix the problem – this was not easy from India. Looks like there was some kind of disconnect between two airlines or some agent did not do it right. I’m anxious to know what went wrong.

The issue was not with BA it was with the link yoiu sent fopr booking the flight

Loved the boarding option from Business class lounge, experience on flight was excellent, plenty of good food choices

Getting the boarding passes between the BA and AA apps was very clunky.

The airline was not clear about a new departure time so we got to the airport early anyway. The flight left early which was great because of weather. The check in process was very easy and staff were friendly and helpful. The crew was great and our flight was very good.

Everything you need to know for your flight from Greensboro to Portugal

Information on your arrival and departure airports