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

Based on current 6-month forward fare data, June 2026 is the cheapest month to fly from Dulles (IAD) to Philadelphia (PHL), with fares starting from $96.

What is the lowest current fare from IAD to PHL?

The lowest currently-listed fare from Dulles (IAD) to Philadelphia (PHL) is $96 on 2026-06-04.

How long is the flight from Dulles to Philadelphia?

Direct flights from IAD to PHL cover approximately 215 km (134 miles), with an estimated flight time of 15m. Operating airlines: UA.

Cheap flights from Dulles to Philadelphia

Cheapest current fares: $96 in June 2026, 215 km direct flight in ~15m.

Last updated May 26, 2026 · By Flightmaps Editorial

Cheapest month-by-month fares

Lowest available fare per calendar month from Dulles (IAD) to Philadelphia (PHL). Refreshed daily.

Dulles (IAD) → Philadelphia (PHL)

June 2026 $96
May 2026 $102

Frequently asked questions

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

Based on current 6-month forward fare data, June 2026 is the cheapest month to fly from Dulles (IAD) to Philadelphia (PHL), with fares starting from $96.
What is the lowest current fare from IAD to PHL?

The lowest currently-listed fare from Dulles (IAD) to Philadelphia (PHL) is $96 on 2026-06-04.
How long is the flight from Dulles to Philadelphia?

Direct flights from IAD to PHL cover approximately 215 km (134 miles), with an estimated flight time of 15m. Operating airlines: UA.

Related guides for this route

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