Earn point on your loyalty program!arrow arc left

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

Know your dates, get live prices in seconds
airplane logo

pin logo

calendar
Departure
calendar backward
Return
airplane logo
1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
Book Flight + Hotel at the same time

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)
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.
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.

Cheap flights from Idaho Falls to Porto in March , April 2026

29 Mar - 25 Apr $ 1,139.00
IDA
Idaho Falls
Alaska Airlines
3 STOPS
OPO
Porto
OPO
Porto
Alaska Airlines
3 STOPS
IDA
Idaho Falls
Pick dates
29 Mar - 14 Apr $ 1,210.00
IDA
Idaho Falls
Alaska Airlines
3 STOPS
OPO
Porto
OPO
Porto
Alaska Airlines
2 STOPS
IDA
Idaho Falls
Pick dates
14 Mar - 25 Apr $ 1,219.00
IDA
Idaho Falls
Alaska Airlines
3 STOPS
OPO
Porto
OPO
Porto
Alaska Airlines
3 STOPS
IDA
Idaho Falls
Pick dates

Last minute flights from Idaho Falls to Porto

29 Mar - 02 Apr $ 1,156.00
IDA
Idaho Falls
Hawaiian Airlines
3 STOPS
OPO
Porto
OPO
Porto
Hawaiian Airlines
3 STOPS
IDA
Idaho Falls
Pick dates
14 Mar - 02 Apr $ 1,237.00
IDA
Idaho Falls
Hawaiian Airlines
3 STOPS
OPO
Porto
OPO
Porto
Hawaiian Airlines
3 STOPS
IDA
Idaho Falls
Pick dates
28 Mar - 02 Apr $ 1,259.00
IDA
Idaho Falls
Hawaiian Airlines
3 STOPS
OPO
Porto
OPO
Porto
Hawaiian Airlines
3 STOPS
IDA
Idaho Falls
Pick dates

One-way flights to Porto from Idaho Falls

6:00 AM - 9:15 PM
TAP Portugal
3 Stops
34h 40m
IDA - OPO
$ 519
Kiwi
Pick dates
10:50 AM - 10:45 PM
United Airlines
2 Stops
16h 40m
IDA - OPO
$ 977
Kiwi
Pick dates
10:50 AM - 10:45 PM
United Airlines
2 Stops
16h 40m
IDA - OPO
$ 977
Kiwi
Pick dates

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

Related info for your journey
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.
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.