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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 July , August 2026

27 Jul - 28 Aug $ 1,485.00
IDA
Idaho Falls
Allegiant Air
3 STOPS
OPO
Porto
OPO
Porto
Allegiant Air
3 STOPS
IDA
Idaho Falls
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27 Jul - 28 Aug $ 1,623.00
IDA
Idaho Falls
Allegiant Air
3 STOPS
OPO
Porto
OPO
Porto
Allegiant Air
3 STOPS
IDA
Idaho Falls
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27 Jul - 28 Aug $ 1,637.00
IDA
Idaho Falls
Allegiant Air
2 STOPS
OPO
Porto
OPO
Porto
Allegiant Air
3 STOPS
IDA
Idaho Falls
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Last minute flights from Idaho Falls to Porto

27 Jul - 01 Aug $ 2,092.00
IDA
Idaho Falls
Alaska Airlines
3 STOPS
OPO
Porto
OPO
Porto
Alaska Airlines
3 STOPS
IDA
Idaho Falls
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27 Jul - 01 Aug $ 2,172.00
IDA
Idaho Falls
Alaska Airlines
3 STOPS
OPO
Porto
OPO
Porto
Alaska Airlines
3 STOPS
IDA
Idaho Falls
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27 Jul - 01 Aug $ 2,243.00
IDA
Idaho Falls
Alaska Airlines
2 STOPS
OPO
Porto
OPO
Porto
Alaska Airlines
3 STOPS
IDA
Idaho Falls
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One-way flights to Porto from Idaho Falls

10:47 PM - 9:15 PM
TAP Portugal
3 Stops
41h 53m
IDA - OPO
$ 734
Kiwi
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10:47 PM - 10:25 PM
Air France
3 Stops
28h 43m
IDA - OPO
$ 872
Kiwi
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10:47 PM - 10:25 PM
KLM Royal Dutch Airlines
2 Stops
28h 43m
IDA - OPO
$ 886
Kiwi
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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.