Cheap flights from Charleston to Washington from $123 CHS → DCA, IAD

Found recently, and the cheapest we hold

It is also the cheapest return we hold, of any age.

What have prices looked like?

Over 32 days, 24 Sept to 12 Nov, the cheapest return we saw each day was $207 to $438.

Those were the prices on those days, not today's.

Could nearby dates be cheaper?

We hold no other 1-night return fares leaving within 3 days of 8 Dec to compare.

Every date we hold

20 fares on 3 departure dates

Which month looks cheapest?

December 2026 is the cheapest month — from $245.

Found recently, and the cheapest we hold

It is also the cheapest one-way we hold, of any age.

What have prices looked like?

Over 26 days, 29 Sept to 12 Nov, the cheapest one-way we saw each day was $94 to $420.

26 days is a short history, so treat this range as an early guide.

Those were the prices on those days, not today's.

Could nearby dates be cheaper?

We hold no other one-way fares leaving within 3 days of 8 Dec to compare.

Every date we hold

3 fares on 3 departure dates

Which month looks cheapest?

December 2026 is the cheapest month — from $123.

Return

Fares 30 to 59 days before departure were typically 36% lower than 7 to 13 days before departure.

From the cheapest return each day between 24 Sept and 12 Nov (32 days), grouped by how many days ahead the flight left; one adult in economy.

Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.

Prices reflect recent searches — current fares may differ.

One-way

Not enough history yet: in 26 days of one-way prices, 29 Sept to 12 Nov, fewer than 3 booking ranges had prices on 7 days or more.

How much is a return flight from Charleston to Washington?

The cheapest return found recently is $245 with Breeze Airways, 8 Dec to 9 Dec, found yesterday. The cheapest return fare on each of 3 departure dates is usually $338 to $454.

How much is a one-way flight from Charleston to Washington?

The cheapest one-way found recently is $123 with American Airlines, 8 Dec, found yesterday. The cheapest one-way fare on each of 3 departure dates is usually $125 to $147.

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

December 2026 is the cheapest month for a return, from $245, 8 Dec to 9 Dec, found yesterday. It is the cheapest month for a one-way too, from $123, 8 Dec, found yesterday.

How far ahead should I book a flight from Charleston to Washington?

In 32 days of prices between 24 Sept and 12 Nov, return fares 30 to 59 days before departure were typically 36% lower than 7 to 13 days before departure.

Is there a direct flight from Charleston to Washington?

Yes, the cheapest nonstop return found recently is $257 with American Airlines, 8 Dec to 8 Dec, found yesterday. The cheapest nonstop one-way found recently is $123 with American Airlines, 8 Dec, found yesterday.

How long is the flight from Charleston to Washington?

The cheapest nonstop one-way found recently, with American Airlines on 8 Dec, takes 1 h 32 min from Charleston International Airport (CHS) to Ronald Reagan National Airport (DCA).

Which airlines have the cheapest flights from Charleston to Washington?

Between 24 Nov and 26 Dec, American Airlines has the cheapest return on 1 of the 3 departure dates we hold, Breeze Airways on 1 and jetBlue on 1. Between 20 Nov and 8 Dec, American Airlines has the cheapest one-way on 2 of the 3 departure dates we hold, and Breeze Airways on 1.