AirHint found the following cheapest one-way flights from Boise (BOI) to Frankfurt (FRA) in May 2026 (see full year).
One-Way flights
| 31 May | Alaska Airlines | ||
| 26 May | Alaska Airlines | ||
| 29 May | Alaska Airlines | ||
| 25 May | Alaska Airlines | ||
| 24 May | Alaska Airlines | ||
| 23 May | Alaska Airlines | ||
| 22 May | WestJet | ||
| 21 May | Alaska Airlines |
Also check the deals for return flights from Boise to Frankfurt in May.
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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.
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