Chicago to Washington flights
The cheapest round trip we found from Chicago to Washington is $206 (Jan 1 – 6, 2027, 1 stop).
CHI to WAS · Round trip · Economy · Prices per person in USD · Price found (3 days ago)
Cheapest found
Cheapest round trip by month
Lowest fare found per departure month| Month | Cheapest round trip |
|---|---|
| November 2026 | No fares found yet |
| December 2026 | $222 |
| January 2027 | $206 (cheapest month) |
Cheapest dates in the next 4 months
Round trip, per person-
Jan 1 – 6, 2027 5 nights · leave Fri$206$206 Book
Frontier Airlines 1 stop · 2h 03m -
Dec 14 – 20 6 nights · leave Mon$222$222 Book
Frontier Airlines 1 stop · 4h 01m
-
Dec 13 – 20 7 nights · leave Sun$278$278 Book
Frontier Airlines 1 stop · 4h 09m
Prices change often. The booking site shows the final price before you pay. Other dates? Set an alert
Things to do in Washington
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Plan the rest of your trip
Washington · Jan 1 – 6, 2027Partner links: we may earn a commission if you book, at no extra cost to you.
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Flights to Washington from other cities
All flights to Washington Flying the other way? Washington to Chicago from $242
Chicago to Washington: questions
How much does a flight from Chicago to Washington cost?
The cheapest round trip we have found right now is $206, leaving January 1 and returning January 6. Prices are per person, economy, in USD.
Which airports do Chicago to Washington flights use?
Chicago airports include O'Hare International (ORD), Chicago Midway International (MDW) and Chicago Rockford International (RFD). Washington airports include Washington Dulles International (IAD) and Ronald Reagan National (DCA). The prices on this page cover every airport in both cities (CHI and WAS are the city codes).
About this route
We track round-trip economy fares from Chicago (United States) to Washington (United States) using Travelpayouts / Aviasales data. The cheapest round trip we've found is $206, departing January 1 and returning January 6. The cheapest month to fly in our data is January, from $206. Prices are per person and were correct when found; the final price is set by the airline or booking site when you book.