$109 Cheap Delta flights Chicago (ORD) to Washington (IAD)

View $109 flight on Tue, Sep 16, 2025Opens in a new window

$109 Cheap Delta flights Chicago (ORD) to Washington (IAD)

Prices were available within the past 7 days and start at $109 for one-way flights and $181 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, Aug 9 - Mon, Aug 11
ORD
Chicago
IAD
Washington
$181 Roundtrip, found 5 hours ago
$181
Roundtrip
found 5 hours ago
Select Delta flight, departing Sat, Aug 9 from Chicago to Washington, returning Mon, Aug 11, priced at $181 found 5 hours ago
Delta
Wed, Aug 27 - Sun, Aug 31
ORD
Chicago
IAD
Washington
$190 Roundtrip, found 6 days ago
$190
Roundtrip
found 6 days ago
Select Delta flight, departing Wed, Aug 27 from Chicago to Washington, returning Sun, Aug 31, priced at $190 found 6 days ago
Delta
Tue, Aug 26 - Tue, Sep 2
ORD
Chicago
IAD
Washington
$197 Roundtrip, found 9 hours ago
$197
Roundtrip
found 9 hours ago
Select Delta flight, departing Tue, Aug 26 from Chicago to Washington, returning Tue, Sep 2, priced at $197 found 9 hours ago
Flights from Chicago (ORD) to Washington (IAD)
Origin airport
O'Hare Intl.
Destination airport
Washington Dulles Intl.
Airlines serving
American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Popular airline
United
Distance
587 mi
Average flight time
3 hours 16 mins

Frequently asked questions

How much is a Delta Air Lines flight from O'Hare Intl. Airport (ORD) to Washington Dulles Intl. Airport (IAD)?
Set the "Price (lowest to highest)" filter on Expedia to find cheap Delta Air Lines return flights from $181 from ORD to IAD. Affordable one-way options from $109 are also on offer.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from ORD to IAD with Delta Air Lines?
Look for return or one-way flights to Washington in January or February. You could find lower fares with Delta Air Lines during these off-peak travel months.
What is the cheapest time to book flights from O'Hare Intl. Airport (ORD) to Washington Dulles Intl. Airport (IAD) with Delta Air Lines?
For cheap Delta Air Lines fares from O'Hare Intl. Airport (ORD) to Washington Dulles Intl. Airport (IAD), start searching one to three months before your intended departure. Securing domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also affect what you pay. Sunday is typically the cheapest, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your journey on a Sunday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Delta Air Lines fly nonstop from O'Hare Intl. Airport (ORD) to Washington Dulles Intl. Airport (IAD)?
Use the "Nonstop" filter when looking for direct Delta Air Lines flights from ORD to IAD. You'll also be able to compare other airlines servicing the same direct trip.
What is the earliest Delta Air Lines flight from ORD to IAD?
To find the earliest departure from ORD to IAD with Delta Air Lines, filter your search by "Morning" and "Early Morning." Booking an early flight generally means you'll experience fewer cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Delta Air Lines fly into in Washington?
Take a Delta Air Lines flight from O'Hare Intl. Airport (ORD) to Washington, and you'll probably come in to Washington Dulles Intl. Airport (IAD). This is the airline's primary hub here.
Why fly with Delta Air Lines from ORD to IAD?
Heading from ORD to IAD with Delta Air Lines comes with a host of benefits, including an excellent in-flight experience and a rewarding loyalty program. Plus, when booking through Expedia, One Key™ members can collect OneKeyCash™* to spend on select future travel purchases. That's in addition to the Delta SkyMiles points you can earn with Delta Air Lines.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Delta Air Lines flight from O'Hare Intl. Airport (ORD) to Washington Dulles Intl. Airport (IAD)?
Depending on the type of ticket you purchased, a fee generally applies if you change or cancel your flight more than 24 hours after it's been confirmed. To secure plane tickets with more flexibility, select our "Changes included" and "No cancel fee" boxes when searching for flights. For more details on changing or canceling your reservation, head to "Trips," select your flight and tick "Manage Booking."

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*Available to One Key members.