Cheap flights from Atlanta to Boston from $87 ATL → BOS

Found recently, and the cheapest we hold

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

What have prices looked like?

Over 45 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $193 to $412.

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

Could nearby dates be cheaper?

We hold no other 2-night return fares leaving within 3 days of 19 Dec to compare.

Every date we hold

5 fares on 5 departure dates

Which month looks cheapest?

December 2026 is the cheapest month — from $247.

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 21 days, 25 Sept to 11 Nov, the cheapest one-way we saw each day was $87 to $241.

At $87, the cheapest one-way found recently is at the low end of that range.

21 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 15 Dec to compare.

Every date we hold

4 fares on 4 departure dates

Which month looks cheapest?

December 2026 is the cheapest month — from $87.

Return

Fares 60 to 89 days before departure were typically 48% lower than 0 to 6 days before departure.

From the cheapest return 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.

One-way

Not enough history yet: in 21 days of one-way prices, 25 Sept to 11 Nov, fewer than 3 booking ranges had prices on 7 days or more.

How much is a return flight from Atlanta to Boston?

The cheapest return found recently is $247 with Frontier Airlines, 19 Dec to 21 Dec, found 2 days ago. The cheapest return fare on each of 5 departure dates is usually $276 to $389.

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

The cheapest one-way found recently is $87 with Frontier Airlines, 15 Dec, found 2 days ago. The cheapest one-way fare on each of 4 departure dates is usually $191 to $231.

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

December 2026 is the cheapest month for a return, from $247, 19 Dec to 21 Dec, found 2 days ago. It is the cheapest month for a one-way too, from $87, 15 Dec, found 2 days ago.

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

In 45 days of prices between 24 Sept and 11 Nov, return fares 60 to 89 days before departure were typically 48% lower than 0 to 6 days before departure.

How long is the flight from Atlanta to Boston?

The cheapest one-way found recently, with Frontier Airlines on 15 Dec, takes 6 h 4 min with 1 stop.

Which airlines have the cheapest flights from Atlanta to Boston?

Between 17 Nov and 20 Dec, Frontier Airlines has the cheapest return on 3 of the 5 departure dates we hold, and jetBlue on 2. Between 21 Nov and 30 May 2027, Frontier Airlines has the cheapest one-way on 2 of the 4 departure dates we hold, and American Airlines on 2.