Cheap flights from Chicago to Dulles from $0
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Discover deals on Chicago to Dulles flights
Typical range $0–$0•Cheapest found $0
Checking latest prices...Find cheap flights from Chicago to Dulles
Best
1 stop
8 Feb
DEP
06:05
ORD
1×
12:36
IAD
5h 31m
8 Feb
DEPARTURE
06:05 - 12:36
5h 31m
ORD
1 stop
IAD
1 stop
8 Feb
DEP
10:10
ORD
1×
17:16
IAD
6h 6m
8 Feb
DEPARTURE
10:10 - 17:16
6h 6m
ORD
1 stop
IAD
American Airlines flights from Chicago to Dulles
Our best American Airlines deals on Chicago to Dulles tickets
Best
1 stop
8 Feb
DEP
06:05
ORD
1×
12:36
IAD
5h 31m
8 Feb
DEPARTURE
06:05 - 12:36
5h 31m
ORD
1 stop
IAD
1 stop
8 Feb
DEP
10:10
ORD
1×
17:16
IAD
6h 6m
8 Feb
DEPARTURE
10:10 - 17:16
6h 6m
ORD
1 stop
IAD
What's the cheapest day of the week to fly from Chicago to Dulles?
If your flying dates are flexible, you should consider flying to Dulles on a Thu, as we generally find the cheapest rates on that day. On the other hand, Sat is the most expensive day to fly.
What is the cheapest month to fly from Chicago to Dulles?
The cheapest month for flights from Chicago to Dulles is Sep, where tickets cost $551 on average. The most expensive months are Dec.
JanFebMarAprMayJunJulAugSepOctNovDec
$788$670$551
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Everything you should know
Cheapest one-way flight
$577
Typical prices: $577–$877
When to book
6 weeks
in advance to save around 35%
Good to know
💰
Save money
Compare prices across airlines to find the best deal. Prices can vary significantly.
📅
Be flexible
Flying midweek or in off-peak seasons can save you up to 30% on airfare.
⏰
Book early
Booking 6+ weeks in advance typically offers the best prices.
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Frequently asked questions
The cheapest flight from Chicago to Dulles currently costs AUD $577. Prices typically range from $577 to $877. Prices change frequently, so we recommend booking early and being flexible with your travel dates.