$89+ Cheap flights from Dulles Intl (IAD) to O'Hare Intl (ORD)
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 2/24. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Dulles Intl to O'Hare Intl 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 O'Hare Intl are usually found in August or September, booked 87 days in advance, depart on a Friday or Thursday and return on a Friday
Cheap flight deals from Dulles Intl to O'Hare Intl
Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to O'Hare Intl (ORD). 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 23, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $177 (United Airlines) |
One-way from | $89 (United Airlines) |
Popular in | May |
Cheapest in | August |
Average price | $319 |
Good round-trip deal | $315 or less |
Good one-way deal | $223 or less |
Find flight deals from Dulles Intl to O'Hare Intl
Cheapest flights from Dulles Intl to O'Hare IntlExplore the most affordable flight options available from Dulles Intl to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on enero 23, 2025.
Explore the most affordable flight options available from Dulles Intl to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on enero 23, 2025.
This United Airlines deal was found by Cheapflights users on 1/23. 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 FlightHub deal was found by Cheapflights users on 1/23. 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 Delta deal was found by Cheapflights users on 1/23. 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 Gotogate deal was found by Cheapflights users on 1/23. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This eDestinos deal was found by Cheapflights users on 1/23. 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 eDestinos 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 1/23. 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 O'Hare Intl within your budget
Customize your flight search to find flights from Dulles Intl to O'Hare Intl 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 23, 2025.
Fly from
Fly to
Route
Depart
Return
Price
Washington, D.C.Chicago
IAD - ORD
IADORD
Washington, D.C. Dulles Intl
mié. 2/19
10:30 pm-11:39 pm
Nonstop2h 09m
Chicago O'Hare Intl
mié. 2/26
1:20 pm-4:16 pm
Nonstop1h 56m
Washington, D.C.Chicago
IAD - ORD
IADORD
Washington, D.C. Dulles Intl
mar. 3/11
10:09 am-4:38 pm
1 stop7h 29m
Chicago O'Hare Intl
vie. 3/14
5:01 am-1:21 pm
1 stop7h 20m
Washington, D.C.Chicago
IAD - ORD
IADORD
Washington, D.C. Dulles Intl
jue. 2/13
6:00 am-9:16 am
1 stop4h 16m
Chicago O'Hare Intl
mar. 2/18
6:15 pm-11:13 pm
1 stop3h 58m
Washington, D.C.Chicago
IAD - ORD
IADORD
Washington, D.C. Dulles Intl
jue. 4/10
11:57 am-6:06 pm
1 stop7h 09m
Chicago O'Hare Intl
sáb. 4/12
7:30 am-9:35 pm
1 stop13h 05m
Washington, D.C.Chicago
IAD - ORD
IADORD
Washington, D.C. Dulles Intl
jue. 4/17
12:37 pm-6:13 pm
1 stop6h 36m
Chicago O'Hare Intl
dom. 4/20
7:05 pm-10:43 am
1 stop14h 38m
Washington, D.C.Chicago
IAD - ORD
IADORD
Washington, D.C. Dulles Intl
mié. 4/16
4:52 pm-9:22 pm
1 stop5h 30m
Chicago O'Hare Intl
lun. 4/21
6:30 pm-8:38 am
1 stop13h 08m
Washington, D.C.Chicago
IAD - ORD
IADORD
Washington, D.C. Dulles Intl
lun. 2/24
10:20 pm-11:29 pm
Nonstop2h 09m
Washington, D.C.Chicago
IAD - ORD
IADORD
Washington, D.C. Dulles Intl
vie. 2/28
6:03 pm-9:15 am
1 stop16h 12m
Washington, D.C.Chicago
IAD - ORD
IADORD
Washington, D.C. Dulles Intl
mar. 4/29
1:26 pm-4:36 pm
1 stop4h 10m
Washington, D.C.Chicago
IAD - ORD
IADORD
Washington, D.C. Dulles Intl
jue. 5/29
12:45 pm-7:09 pm
1 stop7h 24m
Compare providers for flights from Dulles Intl to O'Hare Intl
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 O'Hare Intl 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 Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Chicago O'Hare Intl Airport 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 O'Hare Intl Airport 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 O'Hare Intl Airport 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 O'Hare Intl Airport 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 O'Hare Intl Airport 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 O'Hare Intl
Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Dulles Intl with our price prediction graph.
Travel insights for flights from Dulles Intl to O'Hare Intl
Get recent, data-driven insights about flights from Dulles Intl to O'Hare Intl 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 O'Hare Intl Airport?
Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to O'Hare Intl. Price data was last updated on January 17, 2025.
The price you pay for your flight from Washington, D.C. Dulles Intl Airport to Chicago O'Hare Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 87 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Chicago O'Hare Intl Airport?
Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Chicago O'Hare Intl Airport (average of $245). Flying from Washington, D.C. Dulles Intl Airport to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $322). 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 ORD?
Find hourly flight availability from Dulles Intl to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated enero 23, 2025.
It’s optimal to fly from Washington, D.C. Dulles Intl Airport to Chicago O'Hare Intl Airport in the evening. By choosing this option you can save up to 43% on the cost of your flight, compared to a flight in the afternoon.
What is the cheapest day to fly from Washington, D.C. Dulles Intl Airport to Chicago O'Hare Intl Airport?
Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to O'Hare Intl. Price data was last updated on January 21, 2025.
Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Chicago O'Hare Intl Airport flight should consider departing on Tuesday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from Washington, D.C. Dulles Intl Airport to Chicago O'Hare Intl Airport
Explore weekly flight availability from Dulles Intl to O'Hare Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated enero 23, 2025.
The most flights from IAD to ORD are scheduled on a Monday (21 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (3 on average).
Rainfall in O'Hare Intl by month
Plan your trip to O'Hare Intl by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Chicago O'Hare Intl Airport 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 O'Hare Intl Airport when rainfall is around 1.7 in.
Temperature in O'Hare Intl by month
Plan your trip to O'Hare Intl by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Chicago O'Hare Intl Airport, 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 O'Hare Intl
Get insights into the airlines that provide service to O'Hare Intl. 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 O'Hare Intl. Reviews last updated enero 23, 2025.
Peruse reviews from past customers who have flown with United Airlines, Frontier and American Airlines from Washington, D.C. to Chicago to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
Boarding
Entertainment
Comfort
Overall
Food
Reviews
Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Crew
Boarding
Entertainment
Comfort
Overall
Food
Reviews
Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Crew
Boarding
Entertainment
Comfort
Overall
Food
Reviews
Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Crew
Boarding
Entertainment
Comfort
Overall
Food
Reviews
Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Crew
Boarding
Entertainment
Comfort
Overall
Food
Reviews
Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Related info for your journey
Find useful and relevant information for your journey from Dulles Intl to O'Hare Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Washington, D.C. Dulles Intl Airport?
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Alternative routes for Dulles Intl to O'Hare Intl
See prices for flight routes from nearby airports that may be better suited for you.
Top 4 airlines flying from Dulles Intl to O'Hare Intl
Discover the top 4 airlines that operate flights from Dulles Intl to O'Hare Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated enero 23, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$63 | Average$101 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$175 | Average$217 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$187 | Average$343 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$364 | Average$402 | FlexibilityNo cancel fee | On-time71% |