ORD - IAD

$93 Find Cheap Flights from Chicago O'Hare Airport to Washington Dulles Airport - Compare and Save

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Everything you should know

Cheapest round-trip
$179
Typical prices: $284-$485
Frontier
Sat 10/13Sat 10/20
ORD - IAD • 1 stop
Cheapest non-stop
$297
Typical prices: $289-$493
United Airlines
Sun 10/28Mon 10/29
ORD - IAD • Non-stop
Nonstop flights
You can fly direct with United Airlines. Average duration is 2h 03m
Direct flights
+1
Direct flights
+1
Avoid delays
Most punctual • 83% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 15 weeks in advance save around 57% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 12% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $200 (round-trip)
Shortest trip • 4h 30m (one-way)
Insights
Insights
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We hope you love your trip to Washington, D.C. Dulles Intl Airport!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from O'Hare Intl to Dulles Intl (ORD-IAD)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from O'Hare Intl to Dulles Intl

Tue, Oct 13 - Tue, Oct 20
Frontier Logo
8:04 am - 8:11 pmORD  Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl
11h 07m1 stop Fort Lauderdale
Frontier Logo
6:08 pm - 3:30 pmIAD  Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl
22h 22m1 stop Fort Lauderdale
$179Frontier
Sat, Oct 24 - Tue, Nov 3
Frontier Logo
6:00 am - 5:13 pmORD  Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl
10h 13m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
8:05 am - 6:16 pmIAD  Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl
11h 11m1 stop Atlanta Hartsfield-Jackson
$181Frontier
Sat, Oct 24 - Wed, Oct 28
Frontier Logo
6:00 am - 5:13 pmORD  Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl
10h 13m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
8:05 am - 6:16 pmIAD  Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl
11h 11m1 stop Atlanta Hartsfield-Jackson
$181Frontier
Sat, Oct 24 - Tue, Nov 3
Frontier Logo
6:00 am - 5:13 pmORD  Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl
10h 13m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
8:05 am - 6:16 pmIAD  Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl
11h 11m1 stop Atlanta Hartsfield-Jackson
$181Frontier
Wed, Nov 4 - Wed, Nov 4
Multiple Airlines Logo
7:15 am - 5:12 pmORD  Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl
8h 57m1 stop Atlanta Hartsfield-Jackson
Multiple Airlines Logo
9:06 pm - 6:05 pmIAD  Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl
21h 59m2 stops Atlanta Hartsfield-Jackson Minneapolis St Paul
$238Multiple Airlines
Tue, Oct 6 - Fri, Oct 23
Multiple Airlines Logo
7:11 am - 8:09 pmORD  Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl
11h 58m1 stop Fort Lauderdale
Multiple Airlines Logo
6:36 pm - 7:51 amIAD  Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl
14h 15m2 stops Blountville Tri Cities TN/VA Orlando
$291Multiple Airlines
Thu, Oct 15 - Sat, Oct 17
United Airlines Logo
10:54 am - 1:59 pmORD  Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl
2h 05mnonstop
United Airlines Logo
1:10 pm - 2:26 pmIAD  Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl
2h 16mnonstop
$297United Airlines
Tue, Oct 13 - Wed, Oct 14
United Airlines Logo
2:37 pm - 5:44 pmORD  Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl
2h 07mnonstop
United Airlines Logo
1:10 pm - 2:26 pmIAD  Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl
2h 16mnonstop
$297United Airlines
Wed, Oct 28 - Sat, Oct 31
United Airlines Logo
6:04 am - 8:58 amORD  Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl
1h 54mnonstop
United Airlines Logo
8:23 am - 9:45 amIAD  Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl
2h 22mnonstop
$297United Airlines
Wed, Oct 7 - Fri, Oct 23
Multiple Airlines Logo
7:11 am - 8:09 pmORD  Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl
11h 58m1 stop Fort Lauderdale
Multiple Airlines Logo
6:36 pm - 7:51 amIAD  Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl
14h 15m2 stops Blountville Tri Cities TN/VA Orlando
$303Multiple Airlines
Booking Insights

Price, demand and travel trends for Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport?

Round-trip flights from Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport typically range from $284 to $485. The lowest price found in the past 5 days was $179, on Frontier.

What's the cheapest day of the week to fly from Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport?

Based on deals KAYAK users found in the last 12 months, Saturday is the cheapest day of the week to fly from Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport. It’s 11% cheaper than the average day, while Monday is the most expensive, with prices 42% higher.

What’s the cheapest month to fly from Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport?

•May is the cheapest month to fly from Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport at $308 round-trip.
•February ($386) and June ($374) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 25% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport the cheapest?

Flights from Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport are cheapest 15 weeks before departure. Booking in this window typically costs about 57% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight from O'Hare Intl to Dulles Intl

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on ORD and IAD

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Key details for Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport flights

Low season

January

Cheapest flight

$93
Beat the crowds with an average 45% drop in travelers.
The most popular month to fly with an average 40% increase in travelers.
One-way flight from Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport

When to book flights from O'Hare Intl to Dulles Intl

Are your dates flexible? Find out the best times to travel from O'Hare Intl to Dulles Intl based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What are the earliest and latest flights from Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport?

    These are the earliest and latest flight times available from Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport:

    • Earliest: departs at 5:55 am and lands at 7:58 am
    • Latest: departs at 11:55 pm and lands at 1:58 am.

    The flight takes about 2h 03m.

  • What cabin classes can I book on flights from Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport?

    Two cabin classes are available on flights from Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport:

    • Economy Class
    • First Class

  • How long is a flight from Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport?

    A nonstop flight from Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport takes 2h 03m, covering 587 miles.

  • Do I need a passport to fly from Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

  • How much should I expect to pay for a Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport flight?

    Round-trip flights from Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport range from $284 to $485, with an average of $349 over the past 12 months. Anything below $284 counts as a good deal.

  • How expensive are last-minute Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport flights?

    Last-minute fares on this route (booked within two weeks of departure) run 76% above the $349 route average. Book 15 weeks before departure for the lowest fares.

  • How much can I save by taking a layover when flying from Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $200 round-trip via Tampa (TPA), compared to $352 for nonstop.

  • How does on-time performance compare across airlines flying from Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport?

    United Airlines is the only airline operating Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport flights. 83% of its flights are on time.

  • What is the standard checked-bag allowance on flights from Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $40–$80 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport?

    The Boeing 737-900 family is used most often on this route, operated mainly by United Airlines. Other aircraft seen on the route include Airbus A321neo variants.

  • How are flight departures from Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport spread across the day?

    Morning is the busiest departure period on Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport flights, with 34% of flights leaving in that window. Afternoon departures account for 34%, evening flights for 16%, and night flights for 16%.

  • Have flight prices from Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $179 to $1,123. That means the highest observed fare was about 6x higher than the lowest one.

  • How are flight prices from Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport looking right now?

    One-way fares from Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport are currently lower than usual. Average one-way flight prices are about $130, which is 42% below the typical average for this route.

  • What car rental options are available at Washington, D.C. Dulles Intl Airport (IAD)?

    Washington, D.C. Dulles Intl Airport (IAD) hosts 5 major car rental companies, with daily rates starting from around $24 for economy cars. Top options include:

    • Dollar
    • Budget
    • Hertz
    • Sixt
    • Thrifty

  • Which airports can I use when flying from Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport?

    Flights from Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport usually depart from Chicago O'Hare Intl (ORD) and arrive at Washington, D.C. Dulles Intl (IAD).

  • What time of day has the fewest delays on flights from Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport?

    Morning flights have the fewest delays on this route, while evening departures tend to have the most.

  • At what point is a flight considered delayed from Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport?

    A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport route, 17% of flights were delayed in the past 3 months, with delays averaging 2h 22m.

  • Which airports do connecting flights from Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport pass through?

    One-stop flights from Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport most commonly connect through:

    • Atlanta Hartsfield-Jackson (ATL) - 83% of one-stop connections
    • Detroit Metropolitan Wayne County (DTW) - 9% of one-stop connections
    • Charlotte Douglas (CLT) - 7% of one-stop connections
    • Tampa (TPA) - 1% of one-stop connections

  • Can I save money by using flexible dates for flights from Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport?

    Yes. Flexible dates can save you up to 38% on flights from Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport. Saturday is the cheapest departure day at $312 round-trip on average, while Monday is the most expensive at $497, a difference of $185.

    Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • What airlines fly from Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport?

    Only United Airlines operates flights between Chicago O'Hare Intl Airport and Washington, D.C. Dulles Intl Airport.

  • How much time can I save by choosing a different layover airport from Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport?

    Flying via Detroit Metropolitan Wayne County (DTW) gives the shortest average 1-stop total travel time at 4h 30m, compared with 5h 04m via Charlotte Douglas (CLT) and 7h 34m via Atlanta Hartsfield-Jackson (ATL).

  • What is the time difference between Chicago O'Hare Intl Airport and Washington, D.C. Dulles Intl Airport?

    Washington, D.C. Dulles Intl Airport is 1 hour ahead of Chicago O'Hare Intl Airport (Eastern Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Washington, D.C. Dulles Intl Airport?

    Some of the most popular sights in Washington, D.C. Dulles Intl Airport are Walter E. Washington Convention Center, National Mall and Capital One Arena. These are among the most viewed places in Washington, D.C. Dulles Intl Airport on KAYAK.

  • Which airlines offer extra legroom and free seat selection on Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport flights?

    Among airlines operating Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport flights:

    • United Airlines: offers extra legroom; offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • Which airlines include bags at no extra cost on Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • United Airlines: a cabin bag and a checked bag in Economy Class

    Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.

  • Can I fly with kids from Chicago O’Hare Airport to Washington Dulles Airport?

    Yes, you can fly with kids from Chicago O'Hare Airport to Washington Dulles Airport. United Airlines is a suitable choice, offering kid-friendly amenities like in-flight entertainment, kid's meals, and pre-boarding for families. United ensures a pleasant and family-friendly travel experience for you and your children on this route.

  • What is the best way to connect from Washington Dulles Airport to downtown Washington?

    The most efficient way to connect from Washington Dulles Airport to downtown Washington is to take the Silver Line Express Bus to the Wiehle-Reston East Metro station. From there, you can board the Silver Line train, which provides a direct route to downtown Washington, D.C., allowing for a convenient and hassle-free commute.

  • Can I purchase an economy ticket and then upgrade to first class on flights from Chicago O’Hare Airport (ORD) to Washington Dulles Airport (IAD)?

    Yes, you can upgrade from economy to first class on flights from O'Hare International Airport (ORD) to Washington Dulles International Airport (IAD) with United Airlines. United offers MileagePlus members the option to use miles or cash to upgrade their tickets for a more luxurious travel experience in first class, subject to availability.

  • What are the layover options for flights from Chicago O’Hare Airport to Washington Dulles Airport?

    For flights from Chicago O'Hare Airport (ORD) to Washington Dulles Airport (IAD), common layover options include Charlotte Douglas International Airport (CLT) and Philadelphia International Airport (PHL). These airports offer connecting flights and various amenities to ensure a seamless journey between the two destinations.

Your guide to booking Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Saturday departure and avoid flying on Monday. On this route, Saturday flights average $312, about $185 less than Monday fares (37% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 15 weeks before you fly. On this route, that window historically saves about 57% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport trip for May. Fares historically average $308 round-trip in that month - typically $78 less than the most expensive month, which is February (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through Tampa Airport (TPA) can be cheaper than flying direct. The cheapest layover option averages $200 round-trip on this route - about $152 less than direct flights (based on the last 12 months).
  • If you want to connect to your flight from Chicago O’Hare Airport (ORD) to Washington Dulles Airport (IAD) while in downtown Chicago, you need not worry. The most efficient way is to use the CTA Blue Line which takes about 15 minutes to reach the airport. You may board at any downtown station at any time of the day. If in a rush, you can consider using the taxis or Towncar located in the city center.
  • United Airlines offers special services on flights from O'Hare International Airport (ORD) to Washington Dulles International Airport (IAD). United offers options for passengers with disabilities or those in need of extra assistance, including wheelchair services, priority boarding, and accessible seating. Their dedicated staff ensures a comfortable and accommodating travel experience for all passengers.
  • If you need to fly to Washington from Chicago any time of the day, consider flying with American Airlines, for it has established a major hub at O'Hare International Airport (ORD) for flights to Washington Dulles International Airport (IAD). American Airlines provides convenient connections, a range of flight options, and a comprehensive network, making it a prominent choice for travelers between ORD and IAD.
  • Passengers with luggage should consider flying with United Airlines, a suitable choice for flights from O'Hare International Airport to Washington Dulles International Airport. United Airlines allows carry-ons with dimensions of up to 22 x 14 x 9 inches and a weight limit of 35 lb. Their policy ensures convenient and efficient travel, accommodating passengers' essentials while adhering to size and weight limits.
  • Pet lovers should consider flying with American Airlines on flights from O'Hare International Airport to Washington Dulles International Airport. Their carry-on pet container must not exceed 19 x 13 x 9 inches, and the combined weight of the pet and container should not exceed 20 lb. This airline ensures a comfortable journey for your furry companion.

Prefer to fly direct from Chicago O'Hare Airport to Washington Dulles Airport?

 
Find which airlines fly direct from Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport, which days they fly and book direct flights.

Direct departures

Chicago O'Hare Intl to Washington, D.C. Dulles Intl

Monday

United Airlines

United Airlines

Tuesday

United Airlines

United Airlines

Wednesday

United Airlines

United Airlines

Thursday

United Airlines

United Airlines

Friday

United Airlines

United Airlines

Saturday

United Airlines

United Airlines

Sunday

United Airlines

United Airlines

See more direct flights

Direct returns

Washington, D.C. Dulles Intl to Chicago O'Hare Intl

Monday

United Airlines

United Airlines

Tuesday

United Airlines

United Airlines

Wednesday

United Airlines

United Airlines

Thursday

United Airlines

United Airlines

Friday

United Airlines

United Airlines

Saturday

United Airlines

United Airlines

Sunday

United Airlines

United Airlines

See more direct flights

More options for your flight from O'Hare Intl to Dulles Intl

Complete your trip to Dulles Intl with a hotel stay or car rental