AirHint found the following cheapest return flights from Rotterdam (RTM) to Frankfurt (FRA) in July 2025 (see full year).

Return flights

02 Jul - 07 Jul	transavia
03 Jul - 10 Jul	transavia
06 Jul - 08 Jul	transavia
06 Jul - 07 Jul	transavia
05 Jul - 07 Jul	transavia
12 Jul - 14 Jul	transavia
11 Jul - 13 Jul	British Airways
04 Jul - 06 Jul	transavia

Also check the deals for one-way flights from Rotterdam to Frankfurt in July.

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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Cheapest return flights from Rotterdam to Frankfurt in July from $250

Return flights