FFL Helper

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

IAD → CHI · 2026-08

IAD (Washington) to Chicago in August 2026

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

Lowest this month $156
Highest this month $179
Sample fare $82
Airports IAD–ORD
Search August 2026 tickets

Ad. Ticket links are affiliate ads. We may earn a commission if you book. Advertising disclosure

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

August 2026 price calendar

August 2026

From $156 · up to $179

Mon
Tue
Wed
Thu
Fri
Sat
Sun
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27 $167 28 $168 29 $156 30 $167 31 $179

Dated fares

Chicago CHI

$82

Oct 05, 12:43pm · 7h 52m · 1 stop

IAD → ORD · Frontier Airlines

Tickets

Chicago CHI

$90

Sep 24, 12:30pm · 13h 15m · 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 August 2026

This page is only August 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 August 2026.