Flight
Traveling to Bmore from anywhere is super easy! While there are tons of other airports in the general area, it will be easiest for overall convenience and general proximity to wedding events to fly into BWI.
Flight
Reagan and Dulles are great options if exploring Washington, DC is something you'd like to do! It's very easy to get to Bmore from DC via Uber, Lyft, and the classic yellow cab. For cost effectiveness however, it might be easier to rent a set of wheels and drive around on your own. DULLES AIRPORT: https://www.flydulles.com
Train
Amtrak is a great source for our New York and New Jersey friends and family who may not necessarily want to drive. From NYC: Moynihan Train Hall at Penn Station (NYP) From Jersey: Penn Station Newark (NWK,) Liberty Int. Airport Newark (EWR,) Trenton, NJ (TRE)