ORD → IAD
Compare one-way, round-trip and flight + hotel packages from Chicago to Washington, a nonstop flight of about 1h 40m, with fares from around 135.
Chicago to Washington is a domestic route covering about 587 miles, arriving at Washington Dulles International Airport (IAD) in United States. Peak travel season in Washington runs April–June (mild, cherry blossoms), while December–February is usually the quietest and best-value time to visit. The cheapest fares we've tracked on this route include at least one stop.
| Departing from | O'Hare International Airport (ORD) |
|---|---|
| Arriving at | Washington Dulles International Airport (IAD) |
| Distance | 587 miles (944 km) |
| Nonstop flight time | About 1h 40m |
| Nonstop airlines seen | None in recent fares, expect 1 stop |
| Round-trip fares from | $135 (estimate) |
| Cheapest months | May, January, February |
| Peak season in Washington | April–June |
| Cheapest hotel months in Washington | December–February |
| Best time to book | 1 to 3 months ahead |
| Route info updated | October 16, 2026 |
April–June
Mild, cherry blossoms
September–November
Warm days, cool nights
December–February
Cold and quiet
| Month | Fares from |
|---|---|
| January | $140 |
| February | $140 |
| March | $160 |
| April | $165 |
| May | $135 |
| June | $175 |
| July | $180 |
| August | $190 |
| September | $150 |
| October | $150 |
| November | $165 |
| December | $175 |
The cheapest fares we've tracked on this route include at least one stop. Ducoffs.com compares full-service and low-cost airlines flying between Chicago and Washington in a single search, including nonstop and one-stop options, so you can weigh price against total travel time.
Fares on this route tend to be lowest in May, January, and February. For the best selection, book about 1 to 3 months before departure and stay flexible by a day or two.
Chicago and Washington are about 587 miles apart. A nonstop flight takes roughly 1h 40m; connecting itineraries usually add 2 to 5 hours.
The best way to secure budget rates is by comparing multiple airlines simultaneously and checking flexible dates. Ducoffs.com scans available partner networks to bring you real-time pricing options.
Based on typical seasonal demand, May, January, and February tend to offer the lowest fares on this route, with estimated round-trip prices starting around $135. Live prices change daily, so run a search for your exact dates.
Chicago and Washington are about 587 miles apart. A nonstop flight takes roughly 1h 40m, while connecting itineraries usually add 2 to 5 hours depending on the layover.
The cheapest fares we've tracked recently on this route include at least one stop. Your live search shows any nonstop options available for your dates.
Hotel rates in Washington are usually lowest in December–February, when demand is quieter, and highest during peak season (April–June). Booking your flight and hotel together can save up to 30%.
This route arrives at Washington Dulles International Airport (IAD). Your search results also show nearby airports when they offer a cheaper or faster option.
For this route, booking about 1 to 3 months before departure usually gives the best balance of price and seat selection. Mid-week departures are often cheaper than weekend flights.
Yes. Bundling your travel components can save you up to 30% compared to booking flights and hotels separately, as airlines and properties offer exclusive package discounts.
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