Cheap flights from Pennsylvania to District of Columbia from $59

In general, June is the cheapest month to fly from Pennsylvania to District of Columbia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $60. If you don’t want to visit District of Columbia in June, then you should wait until December to fly from Pennsylvania, when ticket prices are also cheap, with an average price of $73.

The cheapest day to depart on your flight to District of Columbia is on a Friday when prices can be found for as low as $649. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Pennsylvania because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $828.

Flying to District of Columbia from Pennsylvania in the morning is the least expensive time of day to depart. momondo users have found prices as low as $674 when looking at flights departing in the morning. Flights to District of Columbia are more costly at noon, with an average ticket price of $1,133. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Lancaster to Washington, D.C. Dulles Intl for the best Pennsylvania - District of Columbia flight prices

No. A direct flight is the cheapest option for a flight between Pennsylvania to District of Columbia.

American Airlines, United Airlines, and Delta are the most popular carriers operating from Pennsylvania to District of Columbia

American Airlines, United Airlines and Southwest are the top three most popular airlines that fly to District of Columbia from Pennsylvania according to our data. American Airlines is the first choice among our users, with 41% of people opting to fly with this airline when traveling to District of Columbia. Keep in mind that there are 4 different airlines that fly to District of Columbia on a routine basis, so you have a few additional options to choose from.

The number of flights available between Pennsylvania and District of Columbia is 131 per day as of May 2026. The most frequent departure time is 6:00AM, with 45% of daily flights leaving at noon.

As of May 2026, there are 920 flights per week flying from Pennsylvania to District of Columbia. The most common day of the week flights depart is Mon, with 15% of flights taking off on this day.