Cheap Flights From Miami Intl. (MIA) To Baltimore Washington Intl. Thurgood Marshall (BWI)

If you're eager to fly direct from Miami Airport to BWI Marshall, you're not short on choice. Listed below are the best airlines that advertise nonstop services on this route:

• Southwest Airlines - (WN) with 121 flights every month
• Frontier Airlines - (F9) with 30 flights every month
• American Airlines - (AA) with 30 flights every month
• Spirit Airlines - (NK) with 8 flights every month

Here's the deal: It is typically possible to start comparing international airfares on Travelocity.ca up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 2-4 weeks prior to their travel dates.*According to flight demand on Travelocity.ca from January to December 2021. Savings are subject to change and may vary depending on selections made.