Cheap Flights from Washington to Baltimore

The lowest price advertised for a round-trip flight from Washington Dulles Intl. Airport (IAD) to BWI is . But you better get a move on. This figure is taken from fares quoted within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

The majority of flights can be cancelled online, but each airline has different terms and conditions. If you do need to cancel your flight, visit our Customer Service Portal and follow the instructions.

Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for Dulles Intl. Airport to BWI Marshall flights, you’ll see a “no change fees” filter for you to select.

That new movie you’ve been wanting to see will just have to wait — the flight distance between Dulles Intl. Airport and BWI is only 70 kilometres. The captain will be telling you to buckle up for touchdown before you know it.

If you want to fly straight from IAD to BWI Airport, you’ll need to book a flight with at least one stop. Unfortunately, there aren’t any airlines that fly directly between these airports.

Last-minute planners can sometimes nab a bargain, with some super cheap airfares from Washington Dulles Intl. Airport (IAD) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) arising a few weeks before the date of departure. If you’d rather plan ahead, Expedia compares and updates the best flight deals continuously — as early as a year in advance in some cases. It depends on the carrier though, as not all airlines release prices that far in advance.