Price observed over the last 3 months for a round trip.

Cheapest flight tickets
Price observed over the last 3 months for a round trip.
Average price of a round trip
Average flight ticket price recorded over the last 3 months for a round trip.
Flight duration
A flight from Washington to Chicago takes on average 2h13.
Best time
According to user searches, the ideal month to go to Chicago is February.
Check out our tips for booking your flight to Chicago (USA) from Washington (USA) at the cheapest possible price.
Usually, the cheapest month to pick up a ticket on this route is August, with an average flight ticket price of $117 (calculation over the last two years). The most touristic season corresponds to the months of October, September and December.
For the cheapest flights, it is advisable to buy your ticket at least 30 days before the departure date.
The airline offering the cheapest flight tickets is Frontier Airlines. A ticket from the airline Frontier Airlines to Chicago costs on average $221.
The airlines that offer the most flights are American Airlines, United Airlines and Southwest Airlines.
Here is some information and tips to know before booking your flight:
Washington is a city in the country USA, the time zone is [[timezone]]. In Washington, it is currently {fromLocalTime}, the temperature is on average 19°C, with a minimum of 16°C and a maximum of 23°C.
The city of Washington (WAS) has 3 airport(s): Ronald Reagan Washington, Dulles and College Park
Chicago is in the country USA, the time zone is [[timezone]]. In Chicago, it is currently {toLocalTime}, the temperature is on average 16°C, with a minimum of 15°C and a maximum of 18°C.
The city of Chicago (CHI) has 4 airport(s): Chicago-Merrill C. Meigs Field, Chicago FSS, Chicago-Midway and Chicago-O'Hare
If you want to visit Chicago during the least touristic period, choose the month of February.
In Chicago, the most popular month is October. It is during this period that the prices offered by airlines are also the highest.
According to our data, it is recommended to book your flight 30 days before your departure. If you book your flight ticket 5 weeks before your departure, you may find a price below average. You can also choose morning flights that are 100% cheaper than afternoon and evening flights. The cheapest day to book a flight from Washington to Chicago is Thursday.
When you leave, you can leave from Ronald Reagan Washington or Dulles, and you will arrive at Chicago-Midway, Chicago-O'Hare or Greater Rockford.
The airport Ronald Reagan Washington is located 4 km, Dulles is located 42 km or College Park is located 14 km from the city centre. You can access it by using public transportation, taking a taxi, or renting a car.
The journey from Washington to Chicago can also be done by train. Search on Liligo to compare the different means of transportation.
In summer, the average temperature is 22°C in Chicago and 25°C in Washington. The average rainfall in summer is 145 mm in Chicago and 133 mm in Washington. In summer, it is warmer in Washington and it rains less in Washington. In winter, it is colder in Washington and it rains more in Washington.