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Dulles Intl

$90+ Cheap flights from O'Hare Intl (ORD) to Dulles Intl (IAD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/22. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — IAD
Jan 27 — Feb 31
Mon 1/27
Mon 2/3
1 adult, Economy
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The best prices from Chicago O'Hare Intl to Washington, D.C. Dulles Intl are usually found in February or July, booked 60 days in advance, depart on a Wednesday or Thursday and return on a Friday

Cheap flight deals from O'Hare Intl to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$169
(CheapOair)

One-way from

$90
(United Airlines)

Popular in

March

Cheapest in

February

Average price

$347

Good round-trip deal

$523 or less

Good one-way deal

$277 or less
Provider with most accurate pricing for Chicago O'Hare Intl-Washington, D.C. Dulles Intl flight deals.
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Provider most trusted by Cheapflights users for Chicago O'Hare Intl-Washington, D.C. Dulles Intl flights.
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From Chicago O'Hare Intl to Washington, D.C. Dulles Intl
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One-way flight from Chicago O'Hare Intl to Washington, D.C. Dulles Intl
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High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in January 2025
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Price to beat on a round-trip flight from Chicago O'Hare Intl to Washington, D.C. Dulles Intl.
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Price to beat on a one-way flight from Chicago O'Hare Intl to Washington, D.C. Dulles Intl.
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Find flight deals from O'Hare Intl to Dulles Intl

Cheapest flights from O'Hare Intl to Dulles Intl
Explore the most affordable flight options available from O'Hare Intl to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 22, 2025.

This Frontier deal was found by Cheapflights users on 1/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/145:01 amORD - IAD
1 stop7h 20mFrontier
Tue 3/1810:09 amIAD - ORD
1 stop7h 28mFrontier
Deal found 1/22$169
This United Airlines deal was found by Cheapflights users on 1/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/178:45 amORD - IAD
Nonstop1h 56mUnited Airlines
Tue 2/258:30 amIAD - ORD
Nonstop2h 18mUnited Airlines
Deal found 1/22$177
This Delta deal was found by Cheapflights users on 1/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/187:35 amORD - IAD
1 stop4h 35mDelta
Tue 3/185:22 pmIAD - ORD
1 stop4h 22mDelta
Deal found 1/22$197
This CheapOair deal was found by Cheapflights users on 1/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/127:30 amORD - IAD
1 stop13h 05mMultiple Airlines
Mon 4/2111:37 amIAD - ORD
1 stop7h 29mMultiple Airlines
Deal found 1/22$234
This American Airlines deal was found by Cheapflights users on 1/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/176:35 pmORD - IAD
1 stop13h 07mAmerican Airlines
Wed 2/199:12 amIAD - ORD
1 stop7h 29mAmerican Airlines
Deal found 1/22$306
This FlightHub deal was found by Cheapflights users on 1/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/226:47 pmORD - IAD
1 stop16h 00mSun Country Air
Mon 5/2612:45 pmIAD - ORD
1 stop7h 24mSun Country Air
Deal found 1/22$335

Find flights from O'Hare Intl to Dulles Intl within your budget

Customize your flight search to find flights from O'Hare Intl to Dulles Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 22, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ChicagoWashington, D.C.

ORD - IAD

ORDIAD

Chicago O'Hare Intl

Thu 2/27

6:20 am-9:25 pm

1 stop14h 05m

Washington, D.C. Dulles Intl

Sun 3/2

10:25 pm-12:11 pm

1 stop14h 46m

$169

ChicagoWashington, D.C.

ORD - IAD

ORDIAD

Chicago O'Hare Intl

Tue 2/11

6:08 pm-9:01 pm

Nonstop1h 53m

Washington, D.C. Dulles Intl

Wed 2/12

8:25 am-9:44 am

Nonstop2h 19m

$177

ChicagoWashington, D.C.

ORD - IAD

ORDIAD

Chicago O'Hare Intl

Thu 2/20

6:45 am-11:48 am

1 stop4h 03m

Washington, D.C. Dulles Intl

Thu 2/27

6:00 am-9:42 am

1 stop4h 42m

$197

ChicagoWashington, D.C.

ORD - IAD

ORDIAD

Chicago O'Hare Intl

Sun 4/13

9:25 am-5:02 pm

1 stop6h 37m

Washington, D.C. Dulles Intl

Thu 4/17

12:37 pm-6:13 pm

1 stop6h 36m

$209

ChicagoWashington, D.C.

ORD - IAD

ORDIAD

Chicago O'Hare Intl

Thu 4/24

7:15 pm-10:23 am

1 stop14h 08m

Washington, D.C. Dulles Intl

Sun 4/27

12:17 pm-5:53 pm

1 stop6h 36m

$275

ChicagoWashington, D.C.

ORD - IAD

ORDIAD

Chicago O'Hare Intl

Fri 3/28

10:28 am-4:57 pm

1 stop5h 29m

Washington, D.C. Dulles Intl

Sat 4/5

5:00 am-8:49 am

1 stop4h 49m

$307

ChicagoWashington, D.C.

ORD - IAD

ORDIAD

Chicago O'Hare Intl

Sat 2/22

4:10 pm-7:01 pm

Nonstop1h 51m

$90

ChicagoWashington, D.C.

ORD - IAD

ORDIAD

Chicago O'Hare Intl

Tue 2/11

2:59 pm-2:39 pm

1 stop22h 40m

$92

ChicagoWashington, D.C.

ORD - IAD

ORDIAD

Chicago O'Hare Intl

Mon 3/31

7:35 am-1:10 pm

1 stop4h 35m

$99

ChicagoWashington, D.C.

ORD - IAD

ORDIAD

Chicago O'Hare Intl

Sun 4/6

8:05 pm-11:07 am

1 stop14h 02m

$118

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 12 results
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Compare providers for flights from O'Hare Intl to Dulles Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from O'Hare Intl to Dulles Intl in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Chicago O'Hare Intl Airport-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago O'Hare Intl Airport-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago O'Hare Intl Airport-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago O'Hare Intl Airport-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago O'Hare Intl Airport-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from O'Hare Intl to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from O'Hare Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from O'Hare Intl to Dulles Intl

Get recent, data-driven insights about flights from O'Hare Intl to Dulles Intl including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from O'Hare Intl to Dulles Intl. Price data was last updated on January 17, 2025.

To ensure you get the cheapest price possible for a flight from Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport, you should look to book at least 60 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport?

Currently, August is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $389). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ORD to IAD?

Find hourly flight availability from O'Hare Intl to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 22, 2025.

It’s typically best to fly out from Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport in the morning. Doing so could potentially save you 11% on the flight price compared to flying in the afternoon, which is usually more expensive.

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

Use this chart to determine the cheapest time to fly round-trip from O'Hare Intl to Dulles Intl. Price data was last updated on January 21, 2025.

Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport flight should consider departing on Wednesday mornings when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dulles Intl. Reviews last updated January 22, 2025.
Get a feel of what it's like to fly with Frontier, United Airlines and American Airlines from Chicago to Washington, D.C. by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,512 reviews

Food

7.3

Boarding

8.2

Comfort

8.0

Crew

8.6

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,512 reviews
Delta
8.0
Very good
8,512 reviews

Food

7.3

Boarding

8.2

Comfort

8.0

Crew

8.6

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
8,975 reviews
Delta
8.0
Very good
8,512 reviews

Food

7.3

Boarding

8.2

Comfort

8.0

Crew

8.6

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,512 reviews

Food

7.3

Boarding

8.2

Comfort

8.0

Crew

8.6

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Sun Country Air
7.0
Good
386 reviews
Delta
8.0
Very good
8,512 reviews

Food

7.3

Boarding

8.2

Comfort

8.0

Crew

8.6

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Frontier
6.1
Okay
3,441 reviews
Delta
8.0
Very good
8,512 reviews

Food

7.3

Boarding

8.2

Comfort

8.0

Crew

8.6

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport round-trip?

    Flying on Frontier is currently your cheapest option to Washington, D.C. Dulles Intl Airport, with prices starting at $169. Additional round-trip tickets that might be worth considering are offered by United Airlines and Delta, with the lowest prices starting at $177 and $197, respectively. Frontier is currently priced 46% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport one-way?

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $90. However, be on the lookout for offers from Frontier and Delta, as they are both options that can get you from Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport for a low price.

  • What are the most reliable airlines from Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport?

    No one likes to see their flight delayed. When booking a flight from Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport consider choosing Air China (94%), Air Canada (84%) or Copa Airlines (82%) as they are the most reliable in getting you off to your destination on time.

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

    Looking for the cheapest flight from Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport? While on average our users pay $976, our data indicates the cheapest price to be $118. The most popular route (Chicago O'Hare Intl - Washington, D.C. Dulles Intl), is priced around $158.

  • Can I find deals for flights from O'Hare Intl to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on O'Hare Intl to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from O'Hare Intl to Dulles Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Dulles Intl.

  • Can I find deals for business class flights from O'Hare Intl to Dulles Intl?

    Yes. Cheapflights offers flight deals from O'Hare Intl to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $389). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Chicago O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Fairfax
Arlington
Alexandria
Springfield
Silver Spring
Rockville
Tysons
Gaithersburg
Fredericksburg
Linthicum Heights
Laurel
Falls Church
Greenbelt
Sterling
Easton
Oxon Hill
Herndon
Woodbridge
Bowie
Reston

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Alternative routes for O'Hare Intl to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Baltimore flights
O'Hare Intl to Reagan-National flights
Midway to Baltimore flights
Midway to Dulles Intl flights
Midway to Reagan-National flights

Top 4 airlines flying from O'Hare Intl to Dulles Intl

Discover the top 4 airlines that operate flights from O'Hare Intl to Dulles Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$54Average$164FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$121Average$332FlexibilityNo cancel feeOn-time71%
DeltaCheapest$176Average$252FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$179Average$308FlexibilityNo cancel feeOn-time69%
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