Cheap flights from Miami to Washington from $23 MIA → 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 34 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $105 to $441.

At $56, the cheapest return found recently is below that range.

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

Could nearby dates be cheaper?

We hold no other 6-night return fares leaving within 3 days of 25 Dec to compare.

Every date we hold

46 fares on 3 departure dates

Which month looks cheapest?

December 2026 is the cheapest month — from $56.

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 45 days, 24 Sept to 11 Nov, the cheapest one-way we saw each day was $18 to $91.

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

4 fares on 4 departure dates

Which month looks cheapest?

December 2026 is the cheapest month — from $23.

Return

Fares 90 to 179 days before departure were typically 5% lower than 7 to 13 days before departure.

From the cheapest return each day between 24 Sept and 11 Nov (34 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

Fares 30 to 59 days before departure were typically 60% lower than 14 to 29 days before departure.

From the cheapest one-way each day between 24 Sept and 11 Nov (45 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.

How much is a return flight from Miami to Washington?

The cheapest return found recently is $56 with Frontier Airlines, 25 Dec to 31 Dec, found yesterday. The cheapest return fare on each of 3 departure dates is usually $90 to $144.

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

The cheapest one-way found recently is $23 with Frontier Airlines, 8 Dec, found 2 days ago. The cheapest one-way fare on each of 4 departure dates is usually $29 to $63.

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

December 2026 is the cheapest month for a return, from $56, 25 Dec to 31 Dec, found yesterday. It is the cheapest month for a one-way too, from $23, 8 Dec, found 2 days ago.

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

In 34 days of prices between 24 Sept and 11 Nov, return fares 90 to 179 days before departure were typically 5% lower than 7 to 13 days before departure. In 45 days of prices between 24 Sept and 11 Nov, one-way fares 30 to 59 days before departure were typically 60% lower than 14 to 29 days before departure.

Is there a direct flight from Miami to Washington?

Yes, the cheapest nonstop return found recently is $56 with Frontier Airlines, 25 Dec to 31 Dec, found yesterday. The cheapest nonstop one-way found recently is $23 with Frontier Airlines, 8 Dec, found 2 days ago.

How long is the flight from Miami to Washington?

The cheapest nonstop one-way found recently, with Frontier Airlines on 8 Dec, takes 2 h 42 min from Miami International Airport (MIA) to Washington Dulles International Airport (IAD).

Which airlines have the cheapest flights from Miami to Washington?

Between 24 Dec and 10 Jan 2027, Frontier Airlines has the cheapest return on all 3 departure dates we hold. Between 21 Nov and 17 Dec, Frontier Airlines has the cheapest one-way on all 4 departure dates we hold.