Vuelos de United de Chicago (ORD) a Washington (IAD) desde $85

It’s prudent to find out about any quarantine requirements and travel advice reports in effect in your destination city. Be sure to visit our Covid-19 Travel Advisor for up-to-date information on booking a flight to IAD.

Flights mostly leave from terminal 1 at O’Hare Airport if you’ve booked a seat with United Airlines. Traveling to Dulles Intl. Airport? Contact your airline (or do some research online) to see exactly which terminal you’ll be pulling into.

Direct flights can be booked with United Airlines, which means you can fly from O’Hare Airport to IAD the easy way. Those memorable travel experiences you’re chasing are one simple flight away.

Your United Airlines flight will get you from ORD to IAD in around 2 hours and 51 minutes. If you’re not a big fan of speaking to fellow passengers while you’re miles in the air, don’t worry — you won’t have to make small talk for too long.

The Boeing 737-800 and the Airbus A320 are usually used by United Airlines between O’Hare Airport and Dulles Intl. Airport.

There are 7 United Airlines flights every day from ORD to IAD.

For more info about changing your flight to Dulles Intl. Airport, please visit our Customer Service Portal.

This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.

Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.

Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.