What is the cheapest month to fly from Baltimore to Dulles?

Based on current 6-month forward fare data, September 2026 is the cheapest month to fly from Baltimore (BWI) to Dulles (IAD), with fares starting from $93.

What is the lowest current fare from BWI to IAD?

The lowest currently-listed fare from Baltimore (BWI) to Dulles (IAD) is $93 on 2026-09-17.

Is there a direct flight from Baltimore to Dulles?

There is currently no non-stop service from BWI to IAD. Most travellers connect through a hub airport. See our route page for current stopover options.

Cheap flights from Baltimore to Dulles

Cheapest current fares: $93 in September 2026 on connecting flights.

Last updated August 9, 2026 · By Flightmaps Editorial

Cheapest month-by-month fares

Lowest available fare per calendar month from Baltimore (BWI) to Dulles (IAD). Refreshed daily.

Baltimore (BWI) → Dulles (IAD)

September 2026 $93
October 2026 $96
August 2026 $222

Frequently asked questions

What is the cheapest month to fly from Baltimore to Dulles?

Based on current 6-month forward fare data, September 2026 is the cheapest month to fly from Baltimore (BWI) to Dulles (IAD), with fares starting from $93.
What is the lowest current fare from BWI to IAD?

The lowest currently-listed fare from Baltimore (BWI) to Dulles (IAD) is $93 on 2026-09-17.
Is there a direct flight from Baltimore to Dulles?

There is currently no non-stop service from BWI to IAD. Most travellers connect through a hub airport. See our route page for current stopover options.

Related guides for this route

Sibling pages — full route detail, airport overviews, visa context, per-airline routes.