Cheapest weekends to fly Atlanta to Chicago nonstop

We price every nonstop weekend round-trip (2–4 nights, leaving Thu–Sat) on ATL → ORD and rank the weekends below by date. Right now the cheapest is Sep 5–8 at $175 round-trip — 40% below this route's typical short-trip price. Updated August 30, 2026.

Cheapest weekend

Sat, Sep 5 → Tue, Sep 8 3 nights

F9 Frontier 40% below typical

$175 Check this weekend →

Thu, Sep 10 → Sun, Sep 13 3 nights

F9 Frontier 25% below typical

$217 Check this weekend →

Sat, Sep 19 → Tue, Sep 22 3 nights

F9 Frontier 28% below typical

$208 Check this weekend →

Fri, Sep 25 → Mon, Sep 28 3 nights

F9 Frontier 38% below typical

$180 Check this weekend →

Thu, Oct 1 → Sun, Oct 4 3 nights

F9 Frontier 36% below typical

$184 Check this weekend →

Thu, Oct 8 → Sun, Oct 11 3 nights

F9 Frontier 32% below typical

$198 Check this weekend →

Fri, Oct 16 → Mon, Oct 19 3 nights

F9 Frontier 36% below typical

$184 Check this weekend →

Fri, Oct 23 → Mon, Oct 26 3 nights

F9 Frontier 32% below typical

$198 Check this weekend →

Thu, Oct 29 → Sun, Nov 1 3 nights

F9 Frontier 32% below typical

$198 Check this weekend →

Fri, Nov 6 → Mon, Nov 9 3 nights

F9 Frontier 36% below typical

$184 Check this weekend →

Fri, Nov 13 → Mon, Nov 16 3 nights

F9 Frontier 32% below typical

$198 Check this weekend →

Thu, Nov 19 → Sun, Nov 22 3 nights

F9 Frontier 30% below typical

$203 Check this weekend →

Prices are the cheapest nonstop round-trip we found for each weekend, checked within the last 14 days. Fares move — "Check this weekend" re-prices the exact dates live.