Cheapest return flights from Philadelphia to Waterloo in January from $564

Best time to book flights for Philadelphia (PHL) to Waterloo (YKF) flights at AirHint

AirHint found the following cheapest return flights from Philadelphia (PHL) to Waterloo (YKF) in January 2025 (see full year).

Return flights

27 Jan - 02 Feb Frontier Airlines

Also check the deals for one-way flights from Philadelphia to Waterloo in January.

Skyscanner

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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