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ATL - OPO

$261 Find cheap flights from Atlanta to Porto

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Atlanta to Porto departing on 9/16. 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
0 bags
jue. 7/11
jue. 7/18

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These are the airlines KAYAK users have selected most often from within our search results in flight searches from Atlanta to Porto.
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Atlanta to Porto.
In the last 7 days travelers have searched 44,212,782 times on KAYAK, and here is why:

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Cheap flight deals from Atlanta to Porto (ATL-OPO)

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Atlanta to Porto 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 and deals for you by selecting your travel dates.
Choose your dates
7:00 pm - 8:50 amATL-OPO
32h 50m1 stop
12:30 pm - 5:10 pmOPO-ATL
33h 40m1 stop
$708Scandinavian Airlines
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mié., ago. 21 - lun., ago. 26
9:35 pm - 11:15 amATL-OPO
32h 40m1 stop
12:10 pm - 7:50 pmOPO-ATL
36h 40m1 stop
$790Turkish Airlines
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mar., sep. 3 - lun., sep. 16
3:40 pm - 3:30 pmATL-OPO
18h 50m1 stop
11:25 am - 11:35 amOPO-ATL
29h 10m1 stop
$806Delta
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dom., ago. 4 - lun., ago. 19
5:55 pm - 3:30 pmATL-OPO
16h 35m1 stop
9:15 am - 5:25 pmOPO-ATL
13h 10m1 stop
$872KLM
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dom., ago. 25 - mié., sep. 4
12:56 pm - 8:25 amATL-OPO
14h 29m2 stops
9:15 am - 7:15 pmOPO-ATL
15h 00m1 stop
$873Delta
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mié., ago. 21 - lun., ago. 26
5:55 pm - 3:30 pmATL-OPO
16h 35m1 stop
8:40 pm - 11:35 amOPO-ATL
19h 55m1 stop
$874KLM
Find Deal
dom., ago. 25 - lun., sep. 2
1:15 pm - 9:45 amATL-OPO
15h 30m2 stops
6:00 am - 7:36 pmOPO-ATL
18h 36m2 stops
$896United Airlines
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lun., ago. 26 - mié., sep. 4
3:49 pm - 6:55 amATL-OPO
10h 06m1 stop
12:35 pm - 10:06 amOPO-ATL
26h 31m2 stops
$906United Airlines
Find Deal
lun., jul. 15 - sáb., jul. 27
7:30 pm - 11:20 pmATL-OPO
22h 50m2 stops
4:35 pm - 2:15 pmOPO-ATL
26h 40m1 stop
$918Lufthansa
Find Deal
mar., ago. 27 - mié., sep. 4
7:30 pm - 11:20 pmATL-OPO
22h 50m2 stops
4:35 pm - 2:15 pmOPO-ATL
26h 40m1 stop
$944Lufthansa
Find Deal
mar., sep. 3 - lun., sep. 16

Flights from Atlanta to Porto - Travel Insights & Trends

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

What’s the cheapest day of the week to fly from Atlanta to Porto?

The average price of all flights from Atlanta to Porto clicked on KAYAK for each day over the last 12 months.
If your flying dates are flexible, you should consider flying to Porto on a Tuesday, as we generally find the cheapest rates on that day for this route. On the other hand, Saturday is the most expensive day to fly from Atlanta to Porto. For your return ticket, we recommend flying on a Monday and avoiding Tuesdays for the best deals.

What is the cheapest month to fly from Atlanta to Porto?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Atlanta to Porto, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Atlanta to Porto is February, where tickets cost $740 on average. On the other hand, the most expensive months are May and June, where the average cost of tickets is $1,491 and $1,430 respectively.

How far in advance should I book a flight from Atlanta to Porto?

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from Atlanta to Porto, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price on the flight from Atlanta to Porto, you should book around 1 day before departure. For the absolute cheapest price, our data suggests you should book 84 days before departure.

Which airlines provide the cheapest flights from Atlanta to Porto?

The cheapest price for the route for each airline clicked by KAYAK users in the last 72 hours.
In the last 72 hours, the best return deals on flights connecting Atlanta to Porto were found on Scandinavian Airlines ($708) and Turkish Airlines ($790). United Airlines proposed the cheapest one-way flight at $772.

Good to know

Low season

February

High season

September

Cheapest flight

$261
Best time to beat the crowds with an average 31% drop in price.
Most popular time to fly with an average 4% increase in price.
Flight from Atlanta to Porto

When to book flights from Atlanta to Porto

Are your dates flexible? Find out the best times to travel from Atlanta to Porto based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Atlanta to Porto

  • What is the cheapest flight from Atlanta to Porto?

    In the last 3 days, the lowest price for a flight from Atlanta to Porto was $261 for a one-way ticket and $708 for a round-trip.

  • Do I need a passport to fly between Atlanta and Porto?

    Yes, you’ll need a passport to travel to Porto from Atlanta.

  • Which aircraft models fly most regularly from Atlanta to Porto?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Atlanta to Porto?

    Star Alliance, oneworld, and SkyTeam are the airline alliances operating flights between Atlanta and Porto, with Star Alliance being the most commonly used for this route.

  • Which is the best airline for flights from Atlanta to Porto, Delta or KLM?

    The two airlines most popular with KAYAK users for flights from Atlanta to Porto are Delta and KLM. With an average price for the route of $1,127 and an overall rating of 8.0, Delta is the most popular choice. KLM is also a great choice for the route, with an average price of $1,073 and an overall rating of 7.8.

  • How does KAYAK find such low prices on flights from Atlanta to Porto?

    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 Atlanta to Porto.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Porto from Atlanta 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 Atlanta to Porto?

    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 to Porto with an airline and back to Atlanta with another airline. Booking your flights between Atlanta and OPO can sometimes prove cheaper using this method.

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

    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 to Porto from Atlanta up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top 5 airlines serving from Atlanta to Porto

 
See real verified KAYAK customer reviews for airlines flying from Atlanta to Porto. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Atlanta to Porto? 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.
8.0
DeltaOverall score based on 10277 reviews
7.4Food
8.2Boarding
7.9Comfort
8.6Crew
8.0Entertainment
Airline reviews

Among the poorest flights I’ve had with Delta in a while. Entertainment system failed completely on a 7.5 hr flight. Crew seemed distracted and not the normal friendly crew. Flight overbooked it seemed… very crowded.

2.0 MediocreJim, Jun 2024ATL - ANC
Read more about Delta reviews

Among the poorest flights I’ve had with Delta in a while. Entertainment system failed completely on a 7.5 hr flight. Crew seemed distracted and not the normal friendly crew. Flight overbooked it seemed… very crowded.

They were an hour late and they didn’t have my wheelchair for me

Very frustrated with boarding gate crew. She announced the plane was small and they would be limiting us to one item to carry on. Not a problem for me as I understand the tiny planes have limited space!! Not the case here! It was a rather large plane and had plenty of room for bags! So because I don’t want to be one of “those people” who ignores the request to check a carry on I did so asking if I would be able to pick it up at the bottom of the ramp on arrival in Knoxville to which she responded “yes”! Then I watched as every other passenger held onto their 2 items and boarded!! Then when we arrived in Knoxville our 2 carry ons had been put with all the other luggage and we had to go to baggage pick up and wait for all the big checked bags to come off the carousel! So she lied!! Frustrating. Next time I won’t be so nice!

Checking in at the airport the agent only booked the first keg of my trip and had my checked luggage going to the airport with a layover! Never was issued a boarding pass for the second leg or received sticker fir my checked bag. All was well in the end! Delta agents helped to resolve the situation!!!

I would fly again the whole experience was great. The only feed back I can give that they don't do that American Airlines does is the crew there is more humorous with boarding and thank their passengers. It makes it more fun to fly with them. I would however fly Delta again.

Big plane, long flight, absolutely no leg room and basically non existent air! I am 5”4’ and always travel Main Cabin, I was miserable on this plane and could barely move when we arrived in Cabo due to the cramped leg area!

The pilots were good. Disappointing when planes don't have electrical ports

Made the Atlanta to Pittsburgh trip many times, with Delta no issues

Our flight was delayed in Atlanta. The staff could have gave us an explanation for the delay and how long it would be.

I usually have a positive experience with Delta. Complimentary upgrades are always nice!

The food from Lagos to Amsterdam was was very poor compared to AMS-YYZ

The flight was again delayed for more then 2 hours with some lousy explanation regarding the reason of the delay. Although the flight was delayed for more than 2 hours, no refreshments were offered (according to EU regulations). Last 4 flights on KLM - always at least 2 hrs late. So be prepared that you cannot plan anything with KLM.

Seats are fair enough for medium tall people. Good food all the trip. Fight attendances are warm

no issues at all... Kudos to the food. This time was really really good

Overall a good experience. We were disappointed when we had to check our carry on due to the plane being full. KLM hadn’t notified us and we had valuable items in the carry on but they still made us check it. Some of the food was great and some was mediocre. Crew is really kind and funny.

One of the vstewardeses wanted to bump me of the plane for absolutely nothing. There is CCTV in the plane ans everything can be verified. Very disappointing , you all will see, o other 5 years and the passangers who does not smile to flight attendent will be bumped off...

Mostly fine. Minor delays departing and arriving. Quite a cramped plane, not so much as regards legroom but very narrow seats. Quiet nice food. Non-working USB charger. Flight attendants were helpful but not particularly proactive — one had to work to get their attention (but all was fine once they notice you), very Dutch style:)

The plane was clean and the staff was friendly. Food and drinks as expected on international flights. The entertainment system was old style, with a pullout controller, and selections not as extensive as on other flights.

The food quality is poor. The staff are very friendly and accommodating. The entertainment program was limited. I experienced a delay of 30 minutes due to two issues. Passenger luggage had to be removed and there was a technical issue with the stairs not detaching from the aircraft. The pilot managed to compensate and we arrived only 15 minutes later. The luggage at Dubai airport was very slow. I waited over an hour.

I requested wheel chair assistance , it was confirmed via email that inwoood get it but I didn’t get it . The last leg of my trip to Nigeria was the worst.

Generally good. The crew is excellent. The food could be better.

Boarding was smooth and on time. The seat was comfortable and the entertainment worked. Staff were gracious.

Good aorcraft 777 but Worst food ever Breakfast was a bû’with matonnaise… Staff was nice but invisible most of the flight

Business class in the second leg - CDG-EVN was a disaster.

Everything went smoothly with Air France. There was a delay in departure which seemed to relate to the immigration services being short staffed.

worst experience ever i choose my seat in advance and also have my seat selected in my boarding and the they told me that my seat has been changed without notify me

Food could have been better especially the breakfast. Overall it was a good flight

No birding was given for next trip on same carrier, food was very moderate.

We transited through Chad and what was supposed to be a 1hr 20 minutes transit time lasted over 4hrs. We didn't get regular updates until we complained. After a 10hr flight from Paris no form of refreshment given and finally arrived Abuja over 6hrs later and none of my bags came

The line at boarding was not well organized and managed

The entertainment wasn’t playing in the app or online.

Lady was a bit rude during boarding and I was being nice to her.

Why does it have to be painful to fly long distances?

It is a modern tragedy that any airline expects you to travel for 14 hours in such discomfort and that the only way to add comfort is exorbitant prices. I was in pain by the time we landed. Shameful.

Original plane sidelined. Had to wait an hour for replacement.

Crew was very cooperative and professional. Passenger's first checked in bag should be free.

No real agent onsite helping you for missing luggage there. Not like the other airline next to UA desk, they have staff attending in their desk assisting answer/helping luggage issue, even after midnight.

Horrible, the flights kept delaying, so it is obvious that we won't be able to make it to the next connection. No easier/real agent on site to help you figure this out. UA agent on other counters refuse to assist you and direct us to use the QR code/call customer service. So inefficient and poor. While technology seems convenient, but it's not the best interest/experience for customers need help while there is active issue need assistance.

Food is very bad and entertint not too many options ... flight attendet service is not good

After the morning frenzy of 35 min wait through CLT security at 4;30 AM, it was nice to have a smooth pleasant boarding experience. This 6:30 AM flight was not full. We were able to get seated swiftly and took off promptly. Nice touch they distributed the old fashioned headsets with 8 mm jacks. Snacks were decent and arrival was uneventful.

United delayed the flight to assist customers to make the connection. The Ohara customs area was overwhelm which created an issue for customers trying to make the Little Rock connection. The delayed allow several customers to make the final flight into Little Rock.

Missed our flight to London and we were put on coach seats to Munich.

Terrible. Missed our flight to Newark as well as our flight to London. Complete disaster

They canceled our flight last minute and we had to get another flight with twice the cost

Dinner was excellent - beef stew, the eggs for breakfast were only ok. It was soooo nice that there were so many options for movies and games.

Captain waited 45 minutes for late passengers boarding from Washington DC to Munich which was nice for them but caused our luggage to miss boarding our connection on to Bucharest. We then did not receive our luggage for about 48 hours after landing which was very inconvenient for our travel.

Poor, we had 1 hour to grab our checked luggage, go through customs, recheck bags and run across terminals to make our United flight. Poorly planned connections.

Check in in Albuquerque was awful. The people were great but they were over loaded. The procedures were terrible. We got through fine but it took 90+ minutes.

Will try to not fly with them again. Delays because of weather but got redirected to an airport where I could not make connection.

Staff didn’t care in business class. Closed the door on my mom while she was on the jetbridge and flight attendant told me she would make it from the connecting flight. They lied. My luggage was damaged on arrival. No success in filing damage claim.

Book cheap flights from Atlanta to Porto

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Atlanta to Porto found on KAYAK in the last 72 hours.
9/16lun.
2 stops
29h 41mATL-OPO
$261
9/16lun.
3 stops
25h 01mATL-OPO
$341
6/30dom.
3 stops
57h 26mATL-OPO
$351
9/3mar.
2 stops
22h 04mATL-OPO
$386
6/30dom.
2 stops
46h 46mATL-OPO
$391
6/24lun.
1 stopUnited Airlines
12h 56mATL-OPO
$772
6/24lun.
2 stopsUnited Airlines
22h 15mATL-OPO
$778
6/25mar.
2 stopsAmerican Airlines
27h 40mATL-OPO
$785
6/24lun.
2 stopsSWISS
38h 57mATL-OPO
$790
6/24lun.
1 stopLufthansa
14h 20mATL-OPO
$823

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Last minute flights from Atlanta to Porto

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights from Atlanta to Porto that are departing in the next 10 days.
6/16dom.
multi-stopTurkish Airlines
38h 15mATL-OPO
6/25mar.
multi-stopTurkish Airlines
37h 35mOPO-ATL
$1,316
6/16dom.
multi-stopTurkish Airlines
19h 50mATL-OPO
6/25mar.
multi-stopTurkish Airlines
37h 35mOPO-ATL
$1,636
6/16dom.
multi-stop
38h 15mATL-OPO
6/25mar.
multi-stop
31h 57mOPO-ATL
$1,707
6/16dom.
multi-stopTAP AIR PORTUGAL
14h 35mATL-OPO
6/25mar.
multi-stopTAP AIR PORTUGAL
25h 23mOPO-ATL
$1,999
6/16dom.
multi-stopTAP AIR PORTUGAL
30h 51mATL-OPO
6/25mar.
multi-stopTAP AIR PORTUGAL
28h 05mOPO-ATL
$2,000
6/16dom.
multi-stop
38h 15mATL-OPO
6/25mar.
multi-stop
29h 18mOPO-ATL
$2,302
6/16dom.
multi-stopAmerican Airlines
19h 49mATL-OPO
6/25mar.
multi-stopAmerican Airlines
20h 36mOPO-ATL
$4,367
6/16dom.
multi-stopAmerican Airlines
15h 34mATL-OPO
6/25mar.
multi-stopAmerican Airlines
19h 08mOPO-ATL
$4,368

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Atlanta - Porto Flights

Departure:

Atlanta (ATL)United States

Destination:

Porto (OPO)Portugal

Return flight deals:

Porto - Atlanta

Cabin classes:

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