Cheap flights from Boston to Washington from $72 BOS, PSM → DCA, IAD

Found recently, and the cheapest we hold

What have prices looked like?

Over 49 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $108 to $398.

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

Could nearby dates be cheaper?

We hold no other 7-night return fares leaving within 3 days of 1 Feb 2027 to compare.

Every date we hold

44 fares on 3 departure dates

Which month looks cheapest?

November 2026 is the cheapest month — from $172.

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 49 days, 24 Sept to 11 Nov, the cheapest one-way we saw each day was $50 to $144.

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 9 Dec to compare.

Every date we hold

9 fares on 8 departure dates

Which month looks cheapest?

November 2026 is the cheapest month — from $72.

Return

Fares 30 to 59 days before departure were typically 50% lower than 0 to 6 days before departure.

From the cheapest return each day between 24 Sept and 11 Nov (49 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 90 to 179 days before departure were typically 48% lower than 0 to 6 days before departure.

From the cheapest one-way each day between 24 Sept and 11 Nov (49 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 Boston to Washington?

The cheapest return found recently is $204 with jetBlue, 1 Feb 2027 to 8 Feb 2027, found 4 days ago. The cheapest return we hold, of any age, is $172 with American Airlines, 13 Nov to 15 Nov, found 6 days ago. The cheapest return fare on each of 3 departure dates is usually $188 to $228.

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

The cheapest one-way found recently is $72 with jetBlue, 9 Dec, found 2 days ago. The cheapest one-way fare on each of 8 departure dates is usually $86 to $213.

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

November 2026 is the cheapest month for a return, from $172, 13 Nov to 15 Nov, found 6 days ago. It is the cheapest month for a one-way too, from $72, 16 Nov, found 4 days ago.

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

In 49 days of prices between 24 Sept and 11 Nov, return fares 30 to 59 days before departure were typically 50% lower than 0 to 6 days before departure. One-way fares 90 to 179 days before departure were typically 48% lower than 0 to 6 days before departure.

Is there a direct flight from Boston to Washington?

Yes, the cheapest nonstop return found recently is $240 with jetBlue, 1 Feb 2027 to 8 Feb 2027, found 4 days ago. The cheapest nonstop one-way found recently is $72 with American Airlines, 16 Nov, found 4 days ago.

How long is the flight from Boston to Washington?

The cheapest nonstop one-way found recently, with American Airlines on 16 Nov, takes 1 h 47 min from Logan International Airport (BOS) to Ronald Reagan National Airport (DCA). The cheapest one-way found recently, with jetBlue on 9 Dec, takes 4 h 22 min with 1 stop.

Which airlines have the cheapest flights from Boston to Washington?

Between 13 Nov and 1 Feb 2027, American Airlines has the cheapest return on 2 of the 3 departure dates we hold, and jetBlue on 1. Between 16 Nov and 1 Nov 2027, American Airlines has the cheapest one-way on 4 of the 8 departure dates we hold, jetBlue on 2 and Allegiant Air on 1.