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Cheap flights from Idaho Falls (IDA) to Porto (OPO)

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1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
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How to find the cheapest flight from Idaho Falls (IDA) to Porto (OPO)

How to find the cheapest flight from Idaho Falls (IDA) to Porto (OPO)
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How to find the cheapest flight from Idaho Falls (IDA) to Porto (OPO)
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How to find the cheapest flight from Idaho Falls (IDA) to Porto (OPO)
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Cheap flights from Idaho Falls to Porto in August , September 2026

18 Aug - 01 Sep $ 976.00
IDA
Idaho Falls
United Airlines
2 STOPS
OPO
Porto
OPO
Porto
United Airlines
2 STOPS
IDA
Idaho Falls
Pick dates
18 Aug - 01 Sep $ 976.00
IDA
Idaho Falls
United Airlines
2 STOPS
OPO
Porto
OPO
Porto
United Airlines
2 STOPS
IDA
Idaho Falls
Pick dates
18 Aug - 01 Sep $ 1,009.00
IDA
Idaho Falls
United Airlines
2 STOPS
OPO
Porto
OPO
Porto
United Airlines
2 STOPS
IDA
Idaho Falls
Pick dates

Last minute flights from Idaho Falls to Porto

24 Aug - 01 Sep $ 1,584.00
IDA
Idaho Falls
Alaska Airlines
3 STOPS
OPO
Porto
OPO
Porto
Alaska Airlines
3 STOPS
IDA
Idaho Falls
Pick dates
18 Aug - 01 Sep $ 1,647.00
IDA
Idaho Falls
Alaska Airlines
3 STOPS
OPO
Porto
OPO
Porto
Alaska Airlines
3 STOPS
IDA
Idaho Falls
Pick dates
26 Aug - 01 Sep $ 1,656.00
IDA
Idaho Falls
Alaska Airlines
3 STOPS
OPO
Porto
OPO
Porto
Alaska Airlines
3 STOPS
IDA
Idaho Falls
Pick dates

One-way flights to Porto from Idaho Falls

7:00 AM - 6:50 PM
United Airlines
2 Stops
16h 55m
IDA - OPO
$ 668
Kiwi
Pick dates
10:35 AM - 9:40 PM
United Airlines
2 Stops
16h 10m
IDA - OPO
$ 672
Kiwi
Pick dates
7:00 AM - 6:15 PM
United Airlines
2 Stops
16h 15m
IDA - OPO
$ 672
Kiwi
Pick dates

How to find the cheapest flight from Idaho Falls (IDA) to Porto (OPO)

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