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Cheap flights from Atlanta (ATL) to Porto (OPO)

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0 Children (2~11)
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How to find the cheapest flight from Atlanta (ATL) to Porto (OPO)

How to find the cheapest flight from Atlanta (ATL) to Porto (OPO)
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How to find the cheapest flight from Atlanta (ATL) to Porto (OPO)
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How to find the cheapest flight from Atlanta (ATL) to Porto (OPO)
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Cheap flights from Atlanta to Porto in July , August 2026

28 Jul - 29 Aug $ 1,239.00
ATL
Atlanta
Frontier Airlines
1 STOPS
OPO
Porto
OPO
Porto
Frontier Airlines
2 STOPS
ATL
Atlanta
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28 Jul - 05 Aug $ 1,775.00
ATL
Atlanta
Lufthansa
1 STOPS
OPO
Porto
OPO
Porto
Lufthansa
1 STOPS
ATL
Atlanta
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28 Jul - 07 Aug $ 1,870.00
ATL
Atlanta
Air Canada
1 STOPS
OPO
Porto
OPO
Porto
Air Canada
1 STOPS
ATL
Atlanta
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Last minute flights from Atlanta to Porto

28 Jul - 31 Jul $ 1,775.00
ATL
Atlanta
Frontier Airlines
1 STOPS
OPO
Porto
OPO
Porto
Frontier Airlines
2 STOPS
ATL
Atlanta
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28 Jul - 01 Aug $ 2,018.00
ATL
Atlanta
Air Canada
1 STOPS
OPO
Porto
OPO
Porto
Air Canada
2 STOPS
ATL
Atlanta
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28 Jul - 31 Jul $ 2,368.00
ATL
Atlanta
KLM Royal Dutch Airlines
1 STOPS
OPO
Porto
OPO
Porto
KLM Royal Dutch Airlines
1 STOPS
ATL
Atlanta
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One-way flights to Porto from Atlanta

3:05 PM - 12:45 PM
Turkish Airlines
1 Stops
19h 35m
ATL - OPO
$ 621
Kiwi
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9:50 PM - 7:05 AM
Turkish Airlines
1 Stops
31h 10m
ATL - OPO
$ 642
Kiwi
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2:31 PM - 6:10 PM
United Airlines
1 Stops
10h 44m
ATL - OPO
$ 1,589
Kiwi
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How to find the cheapest flight from Atlanta (ATL) to Porto (OPO)

Related info for your journey
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How to find the cheapest flight from Atlanta (ATL) to Porto (OPO)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Atlanta (ATL) to Porto (OPO)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.