Cheap Flights from Washington Dulles to Chicago O'Hare International

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Flight deals from Washington Dulles to Chicago O'Hare International

Looking for a cheap last-minute deal or the best return flight from Washington Dulles to Chicago O'Hare International? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Washington Dulles to Chicago O'Hare International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Washington Dulles to Chicago O'Hare International flights are currently cheapest in May.

Direct flights from Washington Dulles to Chicago O'Hare International

Washington Dulles to Chicago O'Hare International: Alternative routes

Compare routes from Washington Dulles to Chicago below. You may find an airport to fly into that's cheaper, faster, or easier than Chicago O'Hare International.

Washington D.C. to Chicago: Flight information

The things to know before you go.
Cheapest flight foundRs22,480
Cheapest month to flyMay
Average flight time2 hrs, 14 mins
Most popular airlineUnited
Average flights per week322

Finding cheap flights from Washington Dulles to Chicago O'Hare International: Frequently asked questions

The best price we found for a return flight from Washington Dulles to Chicago O'Hare International is Rs45,248. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
2 hours and 14 minutes is the average flight time from Washington Dulles to Chicago O'Hare International.
United, Air Canada and Air New Zealand fly direct from Washington Dulles to Chicago O'Hare International.
As of April 2025, there are 322 flights per week flying from Washington Dulles to Chicago O'Hare International.
The cheapest month to fly from Washington Dulles to Chicago O'Hare International is usually April 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Washington Dulles Airport to Chicago O'Hare International Airport on Saturday, 24 May 2025.
Yes – the average flight time is 2 hours and 14 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Chicago O'Hare International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Chicago is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, United offers the cheapest flight tickets to Chicago O'Hare International.

Flying from Washington Dulles International Airport (IAD) to O'Hare International Airport (ORD): what you need to know

  • Around 2 hours 10 minutes is how long you can expect to be in the air on a direct flight from Washington Dulles International Airport to O'Hare International Airport.

  • The timezone in Chicago is UTC-5, which is one hour behind Washington DC.

  • You can choose from 50 weekly Washington Dulles International Airport to O'Hare International Airport flights. The 06:20 departure with United Airlines is the earliest you can take. United Airlines operates the latest service of the day at 22:16.

  • Your IAD to ORD flight won't wait if you're running late, so get to the airport with time to spare. Arrive up to one hour in advance for domestic flights and two hours ahead for international travel.

  • Be prepared for longer lines in popular months such as April. Arriving up to four hours ahead of an international flight and two hours for domestic departures will help ensure a smooth travel experience.

  • Travelling to Chicago (and then discovering more of United States!) is a cinch with United Airlines. This popular carrier has direct flights from Washington Dulles International Airport to O'Hare International Airport.

  • Most travellers choose to travel with United Airlines on this route.

  • United Airlines is the most punctual carrier operating IAD to ORD flights, with 79.23% of its services arriving as scheduled.

  • We make it easy to book a flight with a stopover. To see all your options for tickets from Washington Dulles International Airport to O'Hare International Airport, uncheck 'Direct flights only.' Then, pick a flight offering a stop long enough to visit the city of your choice. Popular stopovers between IAD and ORD include:

    • Detroit Metropolitan Wayne County Airport

    • Indianapolis International Airport

    • Cleveland Hopkins International Airport

How to find the cheapest flights from Washington Dulles International Airport (IAD) to O'Hare International Airport (ORD)

  • At the moment, Rs22,480 is the cheapest price we've found for a one-way Washington Dulles International Airport to O'Hare International Airport flight. The best price for a return ticket is Rs45,248. Keep in mind that fares can change due to demand when booking.

  • Book 11 months before your departure date. After crunching the numbers on our calendar, this is how far you should book ahead to find cheap tickets from IAD to ORD.

  • The cheapest month for flights from Washington Dulles International Airport to O'Hare International Airport is October. Use the 'Whole month' tool to see the lowest prices if you have flexible travel dates.

  • Landing cheap flights from IAD to ORD is a cinch with Price Alerts. Simply create one of these automatic alerts and we'll let you know when there's a better deal.

  • Select your preferred departure and arrival times, number of stops and airlines with the filters. Alternatively, sort your results by 'Cheapest' to see the best deals on flights from Washington Dulles International Airport to O'Hare International Airport.

Handy information about Washington Dulles International Airport (IAD)

  • IAD's address is 1 Saarinen Circle.

  • When it comes to the on-time performance of Washington Dulles International Airport, data shows 74.39% of flights complete their journey on time.

  • Washington Dulles International Airport is around 56 kilometres from central Washington DC. If you're driving, catching a cab or ride-sharing from the centre, it'll take 50 minutes or so to get there, depending on the traffic.

  • Expect a trip time of around 3 hours 25 minutes when using public transport.

  • Get your travels off to a stress-free start by staying near IAD. Whether you have an early flight from Washington Dulles International Airport to O'Hare International Airport or want to avoid feeling rushed, these stays are the answer:

Arriving at O'Hare International Airport (ORD)

Getting from O'Hare International Airport (ORD) to central Chicago

  • You'll find ORD at 10000 West O'Hare.

  • From O'Hare International Airport, Chicago is approximately 40 kilometres away. It takes around 35 minutes to drive to the centre.

  • If you're travelling on public transport, expect a journey time of roughly 55 minutes.

When to fly to O'Hare International Airport (ORD)

  • The quietest month for a flight from Washington Dulles International Airport to O'Hare International Airport is January, while August is the busiest. Pick the best time to go to Chicago based on whether you prefer a laid-back vibe or a more bustling atmosphere.

  • When reserving your flight from Washington Dulles International Airport to O'Hare International Airport, think about the kind of weather you like. July is the warmest month in Chicago, with temperatures ranging from 15ºC to 29ºC.

  • If you like cooler conditions, look for a cheap ticket from IAD to ORD in January. Temperatures average between -12ºC and 3ºC then.

Explore more of United States

  • Columbus is just one of the many cities in United States waiting to be discovered once you've seen the sights of Chicago. Around 451 kilometres away to the south-east, well-known attractions include Franklin Park Conservatory and Botanical Gardens, Ohio Statehouse and German Village.

  • Around 257 kilometres south-east of Chicago, Indianapolis is another essential stop in United States. Start your sightseeing at The Children's Museum of Indianapolis, Indianapolis Museum of Art and Indianapolis Zoo.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.