Originally Posted by
lwildernorva
Long positioning flight, but the cheapest fares I see on a comparison basis for business lie flats are out of JFK or EWR. I know neither is a Southwest airport, but you can get transfers from LGA to JFK.
WN does fly DEN-BOS nonstop, and B6 has a sub-$1,500 Mint fare BOS-LGW. But if the dates work, the B6 DEN-JFK-LGW fare is pretty decent, and there would be protection in the event of IROPS.