$90+ Cheap flights from Dulles Intl (IAD) to Chicago (CHI)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/6. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Dulles Intl to Chicago with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.The best prices from Washington, D.C. Dulles Intl to Chicago are usually found in February or January, booked 78 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday
Cheap flight deals from Dulles Intl to Chicago
Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Chicago (CHI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated enero 14, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $179 (United Airlines) |
One-way from | $90 (United Airlines) |
Popular in | March |
Cheapest in | February |
Average price | $299 |
Find flight deals from Dulles Intl to Chicago
Cheapest flights from Dulles Intl to ChicagoExplore the most affordable flight options available from Dulles Intl to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on enero 14, 2025.
Explore the most affordable flight options available from Dulles Intl to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on enero 14, 2025.
This United Airlines deal was found by Cheapflights users on 1/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Mytrip deal was found by Cheapflights users on 1/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Booking.com deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This KAYAK deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 1/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This FlightHub deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Sun Country Air deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This American Airlines deal was found by Cheapflights users on 1/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Find flights from Dulles Intl to Chicago within your budget
Customize your flight search to find flights from Dulles Intl to Chicago that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated enero 14, 2025.
Fly from
Fly to
Route
Depart
Return
Price
Washington, D.C.Chicago
IAD - ORD
IADORD
Washington, D.C. Dulles Intl
mié. 2/12
10:09 pm-11:15 pm
Nonstop2h 06m
Chicago O'Hare Intl
mié. 2/19
4:10 pm-7:01 pm
Nonstop1h 51m
Washington, D.C.Chicago
IAD - MDW
IADMDW
Washington, D.C. Dulles Intl
sáb. 4/19
11:12 am-9:52 pm
1 stop11h 40m
Chicago Midway
sáb. 4/26
4:11 pm-3:17 pm
1 stop22h 06m
Washington, D.C.Chicago
IAD - ORD
IADORD
Washington, D.C. Dulles Intl
lun. 1/27
8:15 am-10:16 pm
1 stop15h 01m
Chicago O'Hare Intl
jue. 1/30
10:33 am-5:57 pm
1 stop6h 24m
Washington, D.C.Chicago
IAD - ORD
IADORD
Washington, D.C. Dulles Intl
mié. 2/12
6:00 am-9:42 am
1 stop4h 42m
Chicago O'Hare Intl
sáb. 2/15
4:58 pm-10:33 pm
1 stop4h 35m
Washington, D.C.Chicago
IAD - MDW
IADMDW
Washington, D.C. Dulles Intl
mié. 2/12
6:05 am-12:42 pm
1 stop7h 37m
Chicago Midway
sáb. 2/15
5:05 pm-10:33 pm
1 stop4h 28m
Washington, D.C.Chicago
IAD - ORD
IADORD
Washington, D.C. Dulles Intl
lun. 4/21
11:37 am-6:06 pm
1 stop7h 29m
Chicago O'Hare Intl
jue. 4/24
4:21 pm-4:23 pm
1 stop23h 02m
Washington, D.C.Chicago
IAD - ORD
IADORD
Washington, D.C. Dulles Intl
jue. 4/3
11:05 am-5:35 pm
1 stop7h 30m
Chicago O'Hare Intl
dom. 4/6
8:05 pm-11:07 am
1 stop14h 02m
Washington, D.C.Chicago
IAD - ORD
IADORD
Washington, D.C. Dulles Intl
jue. 3/13
9:20 am-2:24 pm
1 stop6h 04m
Chicago O'Hare Intl
mar. 3/18
6:30 pm-11:58 pm
1 stop4h 28m
Washington, D.C.Chicago
IAD - ORD
IADORD
Washington, D.C. Dulles Intl
jue. 3/6
10:25 pm-12:05 pm
1 stop14h 40m
Washington, D.C.Chicago
IAD - MDW
IADMDW
Washington, D.C. Dulles Intl
dom. 3/9
10:25 pm-11:00 pm
1 stop25h 35m
Compare providers for flights from Dulles Intl to Chicago
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to Chicago in January.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars |
- Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Chicago flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Chicago flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Chicago flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Chicago flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-Chicago flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Dulles Intl to Chicago
Have a flexible travel schedule? Discover the best time to fly to Chicago from Dulles Intl with our price prediction graph.
Travel insights for flights from Dulles Intl to Chicago
Get recent, data-driven insights about flights from Dulles Intl to Chicago including ideal travel times, pricing trends, and more.
How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Chicago?
Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Chicago. Price data was last updated on January 10, 2025.
Booking 78 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. Dulles Intl Airport to Chicago. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Chicago?
Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Chicago (average of $245). Flying from Washington, D.C. Dulles Intl Airport to Chicago in March is currently the most expensive (average of $320). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from IAD to CHI?
Find hourly flight availability from Dulles Intl to Chicago. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated enero 14, 2025.
Unlike in the afternoon, when flights are generally more expensive, you can save up to 22% on flights from Washington, D.C. Dulles Intl Airport to Chicago by exploring options for tickets in the evening.
What is the cheapest day to fly from Washington, D.C. Dulles Intl Airport to Chicago?
Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to Chicago. Price data was last updated on December 16, 2024.
Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Chicago flight should consider departing on Thursday afternoons when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Rainfall in Chicago by month
Plan your trip to Chicago by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Chicago ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago when rainfall is around 1.7 in.
Temperature in Chicago by month
Plan your trip to Chicago by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Chicago, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).
Reviews of airlines servicing Chicago
Get insights into the airlines that provide service to Chicago. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Chicago. Reviews last updated enero 14, 2025.
Read through reviews of airlines operating flights from Washington, D.C. to Chicago, such as United Airlines, Delta and American Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
Crew
Overall
Entertainment
Boarding
Food
Reviews
We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.
Comfort
Crew
Overall
Entertainment
Boarding
Food
Reviews
We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.