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Find cheap flights from Atlanta to Porto starting at $442.

Book one-way or return flights from Atlanta to Porto from as little as $442. Choose from the popular airlines below and book your flight today!

  • One way
  • Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Searching for the best last minute flight from Atlanta to Porto? Find one-way or return flights that are affordable and fit your itinerary.

Trip.com monitors the ticket fares of flights from Atlanta to Porto. Stay updated on price trends and snag the best deals for your upcoming trip.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Find cheap airlines flights from Atlanta to Porto

View airlines operating flights from Atlanta to Porto. Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

American Airlines
From $359
Frontier Airlines
From $382
Spirit Airlines
From $397
Jetblue Airways
From $442
Delta Air Lines
From $464
United Airlines
From $483
Air Canada
From $618
Iberia
From $629
Southwest Airlines
From $643
British Airways
From $649
ANA airlines

Find more flights and airlines

Find cheap flights from Atlanta to Porto by different airports

Discover different routes, airlines, and transfers and find the best alternative flights for your journey from Atlanta to Porto.

  • Cheapest
    American Airlines
    ATL
    06:08
    21h 37m
    2 transfer
    OPO
    08:45
    Hartsfield-Jackson Atlanta International Airport - Francisco Sa Carneiro International Airport
    Tue, Apr 30American Airlines
    $359
  • American Airlines
    ATL
    06:08
    21h 37m
    2 transfer
    OPO
    08:45
    Hartsfield-Jackson Atlanta International Airport - Francisco Sa Carneiro International Airport
    Tue, Apr 30American Airlines
    $359
    Find More Flights

Frequently Asked Questions

  • When are flight tickets from Atlanta (ATL) to Porto (OPO) the cheapest?

    Airlines adjust prices for flights from Atlanta to Porto based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • How much do flights from Atlanta (ATL) to Porto (OPO) cost?

    According to Trip.com's data, the lowest price is around $1,615.
  • What is the transportation method from the main airport to downtown in Porto?

    • The distance from Francisco Sa Carneiro International Airport to downtown is about 9km. It takes about 20 minutes by taxi.

How to find a cheap flight from Atlanta to Porto

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Atlanta to Porto. Book your flights at the right time and save more.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com
Atlanta to Porto Flight Information

Cheapest nonstop flight price

$442

Off-season for travel

December

Peak season for travel

July

Flight distance

6,528.88km

Popular airline

Frontier Airlines