ATL - OPO

$305 Find Cheap Flights from Atlanta to Porto - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$549
Typical prices: $750-$1,174
British Airways
Sun 12/2Sun 12/9
ATL - OPO • 1 stop
Cheapest one-way
$305
Typical prices: $432-$654
Multiple Airlines
Fri 9/28
ATL - OPO • 3 stops
Nonstop flights
Not available
There are currently no direct flights between Atlanta and Porto. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
16 weeks
in advance
Our data shows that travelers who book at least 16 weeks in advance save around 47% compared to booking last minute.
Insights
Insights
When to travel
February
Cheapest • 39% price drop
May
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Kastrup Copenhagen (CPH)
Cheapest • Avg $423 (round-trip)
Madrid Barajas (MAD)
Shortest trip • 11h 45m (one-way)
Insights
Insights
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Booking Insights
Flight Deals

Cheap Flights from Atlanta to Porto (ATL-OPO)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Atlanta to Porto

Wed, Dec 2 - Wed, Dec 9
British Airways Logo
10:15 pm - 4:50 pmATL  Atlanta Hartsfield-Jackson-OPO Porto
13h 35m1 stop London Heathrow
British Airways Logo
8:20 am - 9:28 pmOPO  Porto-ATL Atlanta Hartsfield-Jackson
18h 08m2 stops Madrid Barajas Miami
$549British Airways
Wed, Dec 2 - Wed, Dec 9
Multiple Airlines Logo
10:37 am - 7:40 amATL  Atlanta Hartsfield-Jackson-OPO Porto
16h 03m2 stops Charlotte Douglas Madrid Barajas
Multiple Airlines Logo
8:20 am - 10:46 pmOPO  Porto-ATL Atlanta Hartsfield-Jackson
19h 26m2 stops Madrid Barajas Miami
$560Multiple Airlines
Tue, Oct 13 - Tue, Nov 3
Delta Logo
9:55 pm - 3:25 pmATL  Atlanta Hartsfield-Jackson-OPO Porto
12h 30m1 stop Paris Charles de Gaulle
Delta Logo
5:00 am - 8:40 pmOPO  Porto-ATL Atlanta Hartsfield-Jackson
20h 40m1 stop Amsterdam Schiphol
$698Delta
Tue, Nov 24 - Thu, Dec 3
Delta Logo
9:50 pm - 10:00 pmATL  Atlanta Hartsfield-Jackson-OPO Porto
19h 10m1 stop Paris Charles de Gaulle
Delta Logo
11:15 am - 3:00 pmOPO  Porto-ATL Atlanta Hartsfield-Jackson
32h 45m1 stop Amsterdam Schiphol
$698Delta
Tue, Nov 3 - Tue, Nov 10
KLM Logo
10:50 pm - 10:30 pmATL  Atlanta Hartsfield-Jackson-OPO Porto
18h 40m1 stop Amsterdam Schiphol
KLM Logo
11:15 am - 8:40 pmOPO  Porto-ATL Atlanta Hartsfield-Jackson
14h 25m1 stop Amsterdam Schiphol
$702KLM
Tue, Dec 1 - Tue, Dec 8
KLM Logo
10:50 pm - 3:25 pmATL  Atlanta Hartsfield-Jackson-OPO Porto
11h 35m1 stop Amsterdam Schiphol
KLM Logo
5:00 am - 8:40 pmOPO  Porto-ATL Atlanta Hartsfield-Jackson
20h 40m1 stop Amsterdam Schiphol
$702KLM
Tue, Nov 24 - Thu, Dec 3
United Airlines Logo
4:43 pm - 9:30 amATL  Atlanta Hartsfield-Jackson-OPO Porto
11h 47m1 stop Newark
United Airlines Logo
6:00 am - 6:44 pmOPO  Porto-ATL Atlanta Hartsfield-Jackson
17h 44m2 stops Frankfurt am Main Newark
$706United Airlines
Tue, Nov 24 - Thu, Dec 3
United Airlines Logo
2:35 pm - 9:30 amATL  Atlanta Hartsfield-Jackson-OPO Porto
13h 55m2 stops Washington, D.C. Dulles Intl Newark
United Airlines Logo
6:00 am - 9:26 pmOPO  Porto-ATL Atlanta Hartsfield-Jackson
20h 26m2 stops Frankfurt am Main Chicago O'Hare Intl
$706United Airlines
Mon, Sep 28 - Tue, Oct 6
Turkish Airlines Logo
9:50 pm - 3:40 pmATL  Atlanta Hartsfield-Jackson-OPO Porto
36h 50m1 stop Istanbul
Turkish Airlines Logo
10:40 am - 7:45 pmOPO  Porto-ATL Atlanta Hartsfield-Jackson
38h 05m1 stop Istanbul
$787Turkish Airlines
Mon, Sep 28 - Tue, Oct 6
Turkish Airlines Logo
9:50 pm - 3:40 pmATL  Atlanta Hartsfield-Jackson-OPO Porto
36h 50m1 stop Istanbul
Turkish Airlines Logo
4:50 pm - 7:45 pmOPO  Porto-ATL Atlanta Hartsfield-Jackson
31h 55m1 stop Istanbul
$787Turkish Airlines
Booking Insights

Price, demand and travel trends for Atlanta to Porto flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Atlanta to Porto with more confidence.

How much is a round-trip flight from Atlanta to Porto?

Round-trip flights from Atlanta to Porto start at $549. Prices are below average for this route right now, with typical round-trip fares ranging from $750 to $1,174. The lowest price found in the past 5 days was $549 on British Airways.

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

Tuesday is the cheapest day of the week to fly from Atlanta to Porto, it is 10% cheaper than the average day. Saturday is the most expensive day with flight prices 26% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

  • February is the cheapest month to fly from Atlanta to Porto at $564 round-trip.
  • June ($1,275) and August ($1,034) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 126% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Atlanta to Porto the cheapest?

Flights from Atlanta to Porto are cheapest 16 weeks before departure. Booking in this window typically costs about 47% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

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Key details for Atlanta to Porto flights

Low season

January

Cheapest flight

$305
Best time to beat the crowds with an average 32% drop in price.
Most popular time to fly and prices are also 7% lower on average.
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

Your Atlanta to Porto flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from Atlanta to Porto?

    Flights from Atlanta to Porto usually depart from Atlanta Hartsfield-Jackson (ATL) and arrive at Porto (OPO).

  • What cabin classes can I book on flights from Atlanta to Porto?

    Four cabin classes are available on flights from Atlanta to Porto:

    • Economy Class
    • Premium Economy Class
    • Business Class
    • First Class

    Prices vary by airline.

  • Which airports do connecting flights from Atlanta to Porto pass through?

    One-stop flights from Atlanta to Porto most commonly connect through:

    • Amsterdam Schiphol (AMS) - 34% of one-stop connections
    • Newark (EWR) - 17% of one-stop connections
    • Paris Charles de Gaulle (CDG) - 15% of one-stop connections
    • New York John F Kennedy Intl (JFK) - 14% of one-stop connections

    Amsterdam Schiphol (AMS) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Atlanta to Porto?

    Yes. Being flexible with your travel dates can save you up to 29% on the Atlanta to Porto route. Tuesday is the cheapest departure day at $832 round-trip on average, while Saturday is the most expensive at $1,158, a difference of $326. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What popular places can I visit in Porto?

    Some of the most popular sights in Porto are Ribeira, Ribeira Square and Mercado do Bolhão. These are among the most viewed places in Porto on KAYAK.

  • How expensive are last-minute Atlanta to Porto flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 49% above the route average of $918. Book 16 weeks before departure for the lowest fares.

  • How long is a flight from Atlanta to Porto?

    A nonstop flight from Atlanta to Porto takes 0h 00m, covering 4,053 miles.

  • Do I need a passport to fly from Atlanta to Porto?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How are flight prices from Atlanta to Porto looking right now?

    One-way fares from Atlanta to Porto are currently lower than usual. Average one-way flight prices are about $444, which is 19% below the typical average for this route.

  • How much time can I save by choosing a different layover airport from Atlanta to Porto?

    Flying via Madrid Barajas (MAD) gives the shortest average 1-stop total travel time at 11h 45m, compared with 12h 14m via Newark (EWR) and 12h 14m via New York John F Kennedy Intl (JFK).

  • What is the time difference between Atlanta and Porto?

    Porto is 5 hours ahead of Atlanta (Western European Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Porto Airport (OPO)?

    Porto Airport (OPO) hosts 5 major car rental companies, with daily rates starting from around $2 for economy cars. Top options include:
    · Klass Wagen
    · Drive on Holiday
    · GREEN MOTION
    · Goldcar Rental SP
    · SURPRICE CAR RENTAL

  • How much should I expect to pay for a Atlanta to Porto flight?

    Round-trip flights from Atlanta to Porto range from $750 to $1,174, with an average of $918 over the past 12 months. Anything below $750 counts as a good deal.

Your guide to booking Atlanta to Porto flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Tuesday departure instead of Saturday. On this route, Tuesday flights average $832 - about $326 less than Saturday (28% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 16 weeks before you fly. On this route, that window historically saves about 47% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Atlanta to Porto trip for February. Fares historically average $564 round-trip in that month - typically $711 less than the most expensive month, which is June (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Porto Airport.
    - Opo Hotel Porto Aeroporto

More options for your flight from Atlanta to Porto

Complete your trip to Porto with a hotel stay or car rental

Car rentals in Porto
Hotels in Porto
Vacations in Porto