Flights from Kalispell to Porto from $ 868*
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1 Passenger, Economy
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Featured daily fares for flights from Kalispell (FCA) to Porto (OPO)
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More United deals on Kalispell (FCA) to Porto (OPO) flights
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From | To | Fare Type | Dates | Price |
|---|---|---|---|---|
| Kalispell (FCA) | Porto (OPO) | Roundtrip | Economy | 04/28/26 - 05/05/26 | from $ 868 Viewed: 5 hours ago |
| Kalispell (FCA) | Porto (OPO) | Roundtrip | Economy | 04/28/26 - 05/12/26 | from $ 923 Viewed: 5 hours ago |
| Kalispell (FCA) | Porto (OPO) | Roundtrip | Economy | 04/17/26 - 04/24/26 | from $ 926 Viewed: 5 hours ago |
| Kalispell (FCA) | Porto (OPO) | Roundtrip | Economy | 04/17/26 - 04/21/26 | from $ 952 Viewed: 5 hours ago |
| Kalispell (FCA) | Porto (OPO) | Roundtrip | Economy | 04/21/26 - 04/28/26 | from $ 976 Viewed: 5 hours ago |
| Kalispell (FCA) | Porto (OPO) | Roundtrip | Economy | 04/30/26 - 05/07/26 | from $ 978 Viewed: 5 hours ago |
| Kalispell (FCA) | Porto (OPO) | Roundtrip | Economy | 04/16/26 - 04/30/26 | from $ 982 Viewed: 5 hours ago |
| Kalispell (FCA) | Porto (OPO) | Roundtrip | Economy | 04/16/26 - 04/23/26 | from $ 1,004 Viewed: 5 hours ago |
*Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply. Schedules are subject to change without notice.
