C$122 Cheap Flights from Washington Ronald Reagan (DCA) to Chicago O'Hare International (ORD)

Compare Washington Ronald Reagan to Chicago O'Hare International flight deals

Find the cheapest month or even day of the year to fly to Chicago O'Hare International

Book the best Chicago O'Hare International fare with no extra fees

Flight deals from Washington Ronald Reagan to Chicago O'Hare International

Looking for a cheap last-minute deal or the best return flight from Washington Ronald Reagan Airport to Chicago O'Hare International Airport? If you want to travel next month, return fares start from C$244. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Washington Ronald Reagan to Chicago O'Hare International from C$122 one-way

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

Which airlines fly from Washington Ronald Reagan to Chicago O'Hare International?

Washington Ronald Reagan to Chicago O'Hare International: Alternative routes

Compare routes from Washington Ronald Reagan 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 foundC$122
Cheapest month to flySeptember
Average flight time2 hrs, 24 mins
Most popular airlineAmerican Airlines
Average flights per week509

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

The best price we found for a return flight from Washington Ronald Reagan to Chicago O'Hare International is C$244. 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 24 minutes is the average flight time from Washington Ronald Reagan to Chicago O'Hare International.
American Airlines, British Airways and United fly direct from Washington Ronald Reagan to Chicago O'Hare International.
As of May 2026, there are 509 flights per week flying from Washington Ronald Reagan to Chicago O'Hare International.
The cheapest month to fly from Washington Ronald Reagan to Chicago O'Hare International is usually July.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Washington Ronald Reagan Airport to Chicago O'Hare International Airport on Wednesday, July 1, 2026.
Yes – the average flight time is 2 hours and 24 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.

Traveling from Ronald Reagan National Airport (DCA) to O'Hare International Airport (ORD): what you need to know

  • A direct flight from Ronald Reagan National Airport to O'Hare International Airport takes an average of 2 hours 14 minutes. The timezone in Chicago is UTC-5, making it 1 hour behind Washington DC.

  • Every week, there are 168 flights from Ronald Reagan National Airport to O'Hare International Airport. If you want to be on board early, jump on the 05:59 American Airlines flight. If you'd rather make the most of your time before flying, the last departure from DCA to ORD is 21:10 with United Airlines.

  • Delays at check-in and security are likely if you're jetting off during high season, so give yourself a bit more breathing room. A good rule for peak times? Arrive up to four hours ahead for international flights and two hours for domestic departures.

  • We make it simple to get a flight with a stopover. To see all your options for flights from Ronald Reagan National Airport to O'Hare International Airport, uncheck 'Direct flights only.' Then, choose a flight offering a stop long enough to explore your chosen city. Some popular stopovers between DCA and ORD are:

    • Indianapolis International Airport

    • Detroit Metropolitan Wayne County Airport

    • Cleveland Hopkins International Airport

How to find the cheapest flights from Ronald Reagan National Airport (DCA) to O'Hare International Airport (ORD)

  • The lowest price we've seen for a one-way ticket from Ronald Reagan National Airport to O'Hare International Airport is C$122. For a return flight on this route, the best price is C$244. Depending on the availability when you book, these fares can change.

  • Get cheap flight tickets from DCA to ORD by booking 9 months ahead. Based on our research, that's the sweet spot for picking up a bargain.

  • The cheapest month for flight tickets from Ronald Reagan National Airport to O'Hare International Airport is May. Use the 'Whole month' tool to find the lowest prices if you have flexible travel dates.

  • Create a Price Alert for cheap flight tickets from DCA to ORD. You don't need to check every day to find out if fares have dropped. We'll notify you as soon as there's a change in price.

  • Use filters to find the perfect trip for you. To see the 'Best,' 'Cheapest' or 'Fastest' flights from Ronald Reagan National Airport to O'Hare International Airport, use the 'Sort by' tool. You can also filter by departure and arrival times, airline, and number of stops.

Handy information about Ronald Reagan National Airport (DCA)

  • Located around 8 kilometres from the center of Washington DC, Ronald Reagan National Airport can be reached in approximately 16 minutes by car (depending on traffic). The same journey by public transport is roughly 43 minutes.

  • Want an easy way to start to your break? Stay near DCA. Whether you're on an early flight from Ronald Reagan National Airport to O'Hare International Airport or want to avoid feeling rushed, these stays are ideal:

Arriving at O'Hare International Airport (ORD)

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

  • O'Hare International Airport is approximately 40 kilometres from central Chicago. With a cab or in your own car rental, the drive is around 35 minutes.

  • Traveling to the center on public transport typically takes 54 minutes.

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

  • It's time to choose your travel dates for your flight from Ronald Reagan National Airport to O'Hare International Airport. August is the most popular month to visit Chicago. If you want a more peaceful vibe, go in February.

  • The warmest month in Chicago is July, with the temperature ranging between 15ºC and 29ºC. Book your flights from Ronald Reagan National Airport to O'Hare International Airport in this month if this is the type of weather you enjoy.

  • January sees average temperatures of between -12ºC and 3ºC. Look for cheap flight tickets from DCA to ORD sometime then if you like cooler conditions.

More about Chicago

Complete your Chicago trip with hotels and a car rental

  • We don't just compare flights. After booking your cheap ticket to O'Hare International Airport, explore our car rental offers that'll give you the flexibility to see the sights at your own pace. Then, take a look at our exclusive rates for hotels to find your perfect Chicago stay.

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