FFL Helper

FFL Helper / IAD (Washington) / Chicago / October 2026

IAD → CHI · 2026-10

IAD (Washington) to Chicago in October 2026

Dated one-way fares from IAD (Washington) to Chicago in October 2026. Use the calendar to see which days are cheaper.

Lowest this month $82
Highest this month $137
Sample fare $82
Airports IAD–ORD
Search October 2026 tickets

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Other months: August 2026 · September 2026 · October 2026 · Full route

October 2026 price calendar

October 2026

From $82 · up to $137

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Dated fares

Chicago CHI

$82

Oct 05, 12:43pm · 7h 52m · 1 stop

IAD → ORD · Frontier Airlines

Tickets

Chicago CHI

$137

Oct 04, 12:30pm · 8h 5m · 1 stop

IAD → ORD · Frontier Airlines

Tickets

Booking IAD to CHI in October 2026

This page is only October 2026 on the IAD (Washington) to Chicago route. Open the full route if you want the next months side by side.

Prices move as seats sell. Confirm the live itinerary before you book IAD (Washington) to Chicago in October 2026.