What is the cheapest month to fly from Billings to Washington?

Based on current 6-month forward fare data, May 2026 is the cheapest month to fly from Billings (BIL) to Washington (DCA), with fares starting from $360.

What is the lowest current fare from BIL to DCA?

The lowest currently-listed fare from Billings (BIL) to Washington (DCA) is $360 on 2026-05-29.

Is there a direct flight from Billings to Washington?

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

Cheap flights from Billings to Washington

Cheapest current fares: $360 in May 2026 on connecting flights.

Last updated May 25, 2026 · By Flightmaps Editorial

Cheapest month-by-month fares

Lowest available fare per calendar month from Billings (BIL) to Washington (DCA). Refreshed daily.

Billings (BIL) → Washington (DCA)

May 2026 $360
June 2026 $376

Frequently asked questions

What is the cheapest month to fly from Billings to Washington?

Based on current 6-month forward fare data, May 2026 is the cheapest month to fly from Billings (BIL) to Washington (DCA), with fares starting from $360.
What is the lowest current fare from BIL to DCA?

The lowest currently-listed fare from Billings (BIL) to Washington (DCA) is $360 on 2026-05-29.
Is there a direct flight from Billings to Washington?

There is currently no non-stop service from BIL to DCA. 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.