For St. Patrick's Day travel, fly nonstop from Philly to Seattle for $268 roundtrip on American.
Searching American, we found seats departing PHL on Wednesday, March 13, returning from SEA on Wednesday, March 20.
You'll find lower fares for travel on non-holiday dates.
Visit our Philadelphia PHL listings for a complete look at current finds.
Need a room in Seattle? Here's what's available for the above dates on Hotelwatchdog.