Searching SAS, I found seats departing Boston BOS on Saturday, September 7, returning from Warsaw WAW on Saturday, September 14.
Other dates are also available for travel from late August, with departures through September and returns through October.
This Go Light fare includes one small personal item plus a carry-on bag. Checked bag fees start at $60 each way.
Seat selection is included with this fare.
For $552 roundtrip, you can purchase a Go Smart fare, which includes one checked bag.
See our fare details for booking info.
For more deals like this one, check out our Boston BOS listings.
Need a room in Warsaw? Here's what's available for the above dates on Hotelwatchdog.