Cheap flights from Washington Dulles Intl to Chicago (IAD - CHI)

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The best prices from Washington Dulles Intl to Chicago are usually found in August or July, booked 33 days in advance, depart on a Saturday or Thursday and return on a Saturday

How to find the cheapest flight from
Washington Dulles Intl (IAD) to Chicago (CHI)

IAD - CHI
Price
$234 - $339
CHI
Temperature
33.8 - 84.2 °F
CHI
Rainfall
0.7 - 4.3 inches

Popular in

February

High demand for flights, 9% potential price rise

Cheapest in

August

Best time to find cheap flights, 24% potential price drop

Round-trip from

$234

From Washington Dulles Intl to Chicago

One-way from

$92

One-way flight from Washington Dulles Intl to Chicago

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Washington Dulles Intl to Chicago?

Friday is generally a great day to depart. Flying on this day could help you save up to 9%.

How far in advance should I book a flight from Washington Dulles Intl to Chicago?

Travelers have found it’s best to book a flight 20 days in advance to save up to 10% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 20 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Washington Dulles Intl to Chicago 1-2 weeks in advance for as low as $137, or $157 for flights within the next 24 hours.

What is the cheapest month to fly from Washington Dulles Intl to Chicago?

April is one of the best times of the year to fly to Chicago from Washington Dulles Intl. Prices for April average $135 per person but you can even find prices for as low as $33. The most expensive prices can be found in the month of December. Opting for a April flight can save you 49% on your journey compared to booking in April

When is the cheapest time to fly from Washington Dulles Intl to Chicago (IAD - CHI)?

It’s optimal to fly from Washington Dulles Intl to Chicago at noon. By choosing this option you can save up to 8% on the cost of your flight, compared to a flight in the afternoon.

Cheap flights from Washington Dulles Intl to Chicago in March, April 2021

13 Apr - 13 Apr
$119pp
IAD
Washington Dulles Intl
United Airlines
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
United Airlines
 
1 STOP
IAD
Washington Dulles Intl
10 Apr - 10 Apr
$122pp
IAD
Washington Dulles Intl
United Airlines
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
United Airlines
 
1 STOP
IAD
Washington Dulles Intl
22 Apr - 26 Apr
$124pp
IAD
Washington Dulles Intl
Multiple Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Multiple Airlines
 
1 STOP
IAD
Washington Dulles Intl

Washington Dulles Intl to Chicago 2021 flight deals

13 Apr - 13 Apr
$119pp
IAD
Washington Dulles Intl
United Airlines
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
United Airlines
 
1 STOP
IAD
Washington Dulles Intl
10 Apr - 10 Apr
$122pp
IAD
Washington Dulles Intl
United Airlines
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
United Airlines
 
1 STOP
IAD
Washington Dulles Intl
22 Apr - 26 Apr
$124pp
IAD
Washington Dulles Intl
Multiple Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Multiple Airlines
 
1 STOP
IAD
Washington Dulles Intl

Non-stop flights to Chicago from Washington Dulles Intl

25 Mar - 1 Apr
$177pp
IAD
Washington Dulles Intl
United Airlines
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
United Airlines
Non-Stop
IAD
Washington Dulles Intl
25 Mar - 27 Mar
$182pp
IAD
Washington Dulles Intl
United Airlines
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
United Airlines
Non-Stop
IAD
Washington Dulles Intl
24 Mar - 25 Mar
$186pp
IAD
Washington Dulles Intl
United Airlines
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
United Airlines
Non-Stop
IAD
Washington Dulles Intl

Last minute flights from Washington Dulles Intl to Chicago

8 Mar - 9 Mar
$189pp
IAD
Washington Dulles Intl
United Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
United Airlines
 
1 STOP
IAD
Washington Dulles Intl
7 Mar - 8 Mar
$200pp
IAD
Washington Dulles Intl
Multiple Airlines
   
2 STOPS
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Multiple Airlines
   
2 STOPS
IAD
Washington Dulles Intl
8 Mar - 19 Mar
$209pp
IAD
Washington Dulles Intl
United Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
United Airlines
 
1 STOP
IAD
Washington Dulles Intl

One-way flights to Chicago from Washington Dulles Intl

1:55 pm - 4:21 am
Multiple Airlines
2 Stops
15h 26m
IAD - ORD
Multiple Airlines
$92
Gotogate
5:26 am - 7:34 pm
Frontier
2 Stops
39h 08m
IAD - ORD
Frontier
$95
Gotogate
6:40 am - 11:57 am
American Airlines
1 Stop
6h 17m
IAD - ORD
American Airlines

Related info for your journey

Flight FAQs

From Washington Dulles Intl to Chicago

Are flight prices decreasing from Washington Dulles Intl to Chicago due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Washington Dulles Intl and Chicago for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from Washington Dulles Intl to Chicago to control the spread of COVID-19?

Airlines globally have implemented additional safety measures to accommodate you. Delta is one of them. Airline carriers are regularly disinfecting and sanitizing their aircraft. Masks are provided and are mandatory while on board. Pre-flight testing for symptoms and antibodies, alongside socially distanced seating (for a limited time) will work towards keeping travelers safer while flying from Washington Dulles Intl to Chicago. Policies will vary by airline.

Which airlines flying from Washington Dulles Intl to Chicago have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like United Airlines, Delta, and American Airlines flying from Washington Dulles Intl to Chicago have implemented new flexible cancellation policies.

Can I find flights from Washington Dulles Intl to Chicago for under $200 on Cheapflights?

Yes, there are multiple flights from Washington Dulles Intl to Chicago for under $200. The cheapest flight booked recently is on United Airlines for just $119, but on average you can expect to pay $140.

Are there nonstop flights from Washington Dulles Intl to Chicago for under $200 on Cheapflights?

Cheapflights has at least 20 direct flights from Washington Dulles Intl to Chicago under $200. A good price for a nonstop flight from Washington Dulles Intl to Chicago is less than $263.

Are there last-minute flights available from Washington Dulles Intl to Chicago for under $200?

There are currently 20+ open flights from Washington Dulles Intl to Chicago within the next 7 days for less than $200.

What days are nonstop flights available from Washington Dulles Intl to Chicago?

Nonstop flights can be found on the following days: Sunday, Tuesday, Wednesday, Thursday, Saturday.

How many flights depart from Washington Dulles Intl to Chicago on average per day?

30 flight departures from Washington Dulles Intl to Chicago per day on average.
Morning (6am - Noon) - 27% of flight departures
Afternoon (Noon - 6pm) - 73% of flight departures

Is Washington Dulles Intl weather warmer or cooler than Chicago?

Our data indicates that the weather will be 88 °F on average in the month of July. The temperature in Chicago is typically colder than in Washington Dulles Intl. If you're traveling when the temperature is at its warmest, push to plan early, as flight price and availability will have an impact on your travels. For the best results, search for flights well in advance or after peak season.

How long is the flight from Washington Dulles Intl to Chicago?

A quick flight from Washington Dulles Intl to Chicago can take about 2h 02m. United Airlines provides one of the quickest options available for as low as $122. Airlines will cover a distance of 590 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

What are the cheapest airlines flying from Washington Dulles Intl to Chicago round-trip?

According to our current data, United Airlines ($119), Frontier ($131), and American Airlines ($150) offers the cheapest pricing from Washington Dulles Intl to Chicago. You may be able to fly from Washington Dulles Intl to Chicago for 61% less than the average price by searching for these airlines.

What are the cheapest airlines to fly from Washington Dulles Intl to Chicago one-way?

The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $54. However, be on the lookout for offers from United Airlines and American Airlines, as they are both options that can get you from Washington Dulles Intl to Chicago for a low price.

Destination information for Chicago

Flight duration
1h 56m
Average temperature for March in Chicago
50.0 °F
Avg rainfall for March in Chicago
1.6 ″

Airports servicing Washington

Airports servicing Chicago

Chicago Midway (MDW)
Rockford (RFD)

Top 4 airlines flying from Washington Dulles Intl to Chicago

Airline Cheapest Average Flexibility On-time COVID-19 safety
Spirit Airlines
$85 $169 No cancel fee 65%
American Airlines
$86 $263 No cancel fee 71%
Delta
$87 $344 No cancel fee N/A
United Airlines
$237 $407 No cancel fee 69%

Hourly flight availability from Washington Dulles Intl to Chicago

Afternoon Noon to 6 PM 56% of IAD to CHI departures
Morning 6 AM to noon 43% of IAD to CHI departures
Early morning Midnight to 6 AM 1% of IAD to CHI departures
Evening 6 PM to midnight 0% of IAD to CHI departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Washington Dulles Intl to Chicago
Sunday
3 daily flights
Monday
11 daily flights
Tuesday
12 daily flights
Wednesday
8 daily flights
Thursday
3 daily flights
Friday
1 daily flight
Saturday
4 daily flights
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