How much is a flight from Chicago to Washington Dulles?

There’s no fixed price — fares between Chicago and Washington can vary a lot by day or time.

Pick a travel date to see today’s available fares.

Flying during the week can be more affordable, as weekend flights tend to be pricier. Also consider demand and availability: the last remaining seats often come at higher fares!

Flying between Chicago and Washington? Consider these airports

Depending on your destination and where you’re starting from, it might make sense to look beyond the main hubs.

• Airports in Chicago: Chicago has 3 airports - Midway, O'Hare, Rockford.
• Airports in Washington: Washington has 3 airports - Dulles international, Ronald Reagan, Washington International.

Check if your destination airport has a rail link — it can make getting around easier. Jetcost lets you view options from all Chicago airports in a single search.

Refine your flight search from Chicago to Washington Dulles

With Jetcost, it’s easy to narrow down results to find flights that match your schedule and preferences. You can filter by airline, price, trip type, and more — including offers from the best airlines and travel agencies.

Other popular destinations

Also looking at United States? These cities are trending: Las Vegas, Los Angeles, Miami, New York City, Orlando.

Online agencies can show different offers for the same flight — it’s worth comparing. Filters let you narrow things down further, like selecting a specific time slot to find flights that suit you best.