Return flights from Washington to Basel (Switzerland) for 456USD (344GBP – 390€)!

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We’ve found cheap return flights from Washington to Basel (Switzerland) for 456USD (344GBP – 390€)!

Search for your travel dates in August 2018 – May 2019.

Here are some example dates for you:

Aug 17 – 24

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You can book your flights here.


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