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Dulles Intl

$75+ 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 1/30. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — IAD
Dec 5 — Dec 121
Fri 12/5
Fri 12/12
1 adult, Economy
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Cheapflights Tip: The best prices from Chicago O'Hare Intl to Washington, D.C. Dulles Intl are usually found in September or August, booked 24 days in advance, depart on a Friday or Wednesday 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 November 5, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$145
(Frontier)

One-way from

$75
(Frontier)

Popular in

October

Cheapest in

September

Average price

$302

Good round-trip deal

$335 or less

Good one-way deal

$158 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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Highest demand for flights based on searches. 1% potential increase in price ($4 potential increase over avg. RT price).
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Cheapest flight prices on average. 0% potential price decrease ($3 potential savings vs. average RT price).
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Average for round-trip flights in November 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 November 5, 2025.

This Frontier deal was found by Cheapflights users on 11/3. 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 11/216:00 amORD - IAD
1 stop10h 46mFrontier
Sun 11/236:41 pmIAD - ORD
1 stop6h 27mFrontier
Deal found 11/3$145
This Frontier deal was found by Cheapflights users on 11/4. 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.
Sat 12/131:24 pmORD - IAD
1 stop8h 41mFrontier
Sat 1/106:00 amIAD - ORD
1 stop5h 49mFrontier
Deal found 11/4$146
This Frontier deal was found by Cheapflights users on 11/5. 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 12/56:11 amORD - IAD
1 stop9h 13mFrontier
Sun 12/75:26 pmIAD - ORD
1 stop5h 58mFrontier
Deal found 11/5$147
This Frontier deal was found by Cheapflights users on 11/4. 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.
Mon 11/1711:24 amORD - IAD
1 stop11h 47mFrontier
Thu 12/49:21 amIAD - ORD
1 stop13h 30mFrontier
Deal found 11/4$150
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/266:15 pmORD - IAD
1 stop15h 02mFrontier
Wed 12/39:00 amIAD - ORD
1 stop6h 31mFrontier
Deal found 11/2$153
This Kiwi.com deal was found by Cheapflights users on 11/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/47:40 amORD - IAD
2 stops9h 38mFrontier
Mon 12/85:45 amIAD - ORD
1 stop17h 39mFrontier
Deal found 11/4$154
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/246:15 pmORD - IAD
1 stop12h 30mFrontier
Tue 12/99:00 amIAD - ORD
1 stop7h 12mFrontier
Deal found 11/3$157
This Kiwi.com deal was found by Cheapflights users on 11/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/117:40 amORD - IAD
2 stops9h 38mFrontier
Tue 12/169:00 amIAD - ORD
1 stop7h 12mFrontier
Deal found 11/5$158
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/246:25 pmORD - IAD
1 stop14h 45mFrontier
Wed 12/39:00 amIAD - ORD
1 stop6h 31mFrontier
Deal found 11/3$160
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/124:20 pmORD - IAD
1 stop5h 45mFrontier
Sat 1/102:01 pmIAD - ORD
2 stops11h 00mFrontier
Deal found 11/3$163
This Frontier deal was found by Cheapflights users on 11/4. 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.
Mon 11/1711:24 amORD - IAD
1 stop11h 47mFrontier
Tue 12/29:00 amIAD - ORD
1 stop7h 12mFrontier
Deal found 11/4$164
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/49:53 pmORD - IAD
2 stops17h 31mFrontier
Thu 12/115:45 amIAD - ORD
1 stop12h 42mFrontier
Deal found 11/3$165

Cheapflights Fare Finder

 
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 November 5, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

O'Hare Intl

Fly to

Dulles Intl

Route

Depart

Return

Price

ChicagoWashington, D.C.

ORD - IAD

ORDIAD

Chicago O'Hare Intl

Fri 1/23

5:33 am-11:44 am

1 stop5h 11m

Washington, D.C. Dulles Intl

Thu 2/5

12:40 pm-6:49 pm

1 stop7h 09m

$243

ChicagoWashington, D.C.

ORD - IAD

ORDIAD

Chicago O'Hare Intl

Wed 1/7

5:33 am-1:59 pm

1 stop7h 26m

Washington, D.C. Dulles Intl

Sun 1/11

6:20 am-11:00 am

1 stop5h 40m

$243

ChicagoWashington, D.C.

ORD - IAD

ORDIAD

Chicago O'Hare Intl

Thu 11/27

1:00 pm-3:55 pm

Nonstop1h 55m

Washington, D.C. Dulles Intl

Tue 12/2

10:35 pm-11:43 pm

Nonstop2h 08m

$253

ChicagoWashington, D.C.

ORD - IAD

ORDIAD

Chicago O'Hare Intl

Thu 12/25

9:15 pm-12:15 am

Nonstop2h 00m

Washington, D.C. Dulles Intl

Sat 12/27

10:33 pm-11:44 pm

Nonstop2h 11m

$283

ChicagoWashington, D.C.

ORD - IAD

ORDIAD

Chicago O'Hare Intl

Fri 12/26

8:51 am-11:45 am

Nonstop1h 54m

Washington, D.C. Dulles Intl

Wed 12/31

5:31 pm-6:52 pm

Nonstop2h 21m

$283

ChicagoWashington, D.C.

ORD - IAD

ORDIAD

Chicago O'Hare Intl

Thu 1/22

8:52 am-11:46 am

Nonstop1h 54m

Washington, D.C. Dulles Intl

Sun 1/25

10:28 pm-11:39 pm

Nonstop2h 11m

$293

ChicagoWashington, D.C.

ORD - IAD

ORDIAD

Chicago O'Hare Intl

Fri 12/12

8:45 am-11:44 am

Nonstop1h 59m

Washington, D.C. Dulles Intl

Mon 12/15

10:35 pm-11:43 pm

Nonstop2h 08m

$293

ChicagoWashington, D.C.

ORD - IAD

ORDIAD

Chicago O'Hare Intl

Fri 1/16

4:20 pm-9:22 pm

1 stop4h 02m

Washington, D.C. Dulles Intl

Mon 1/19

10:28 pm-11:39 pm

Nonstop2h 11m

$296

ChicagoWashington, D.C.

ORD - IAD

ORDIAD

Chicago O'Hare Intl

Sat 12/13

6:15 pm-9:18 pm

Nonstop2h 03m

Washington, D.C. Dulles Intl

Sun 12/14

5:15 pm-6:30 pm

Nonstop2h 15m

$299

ChicagoWashington, D.C.

ORD - IAD

ORDIAD

Chicago O'Hare Intl

Fri 12/12

2:39 pm-5:30 pm

Nonstop1h 51m

Washington, D.C. Dulles Intl

Sat 12/13

1:10 pm-2:25 pm

Nonstop2h 15m

$299

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/4

Showing 1-10 of 24 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 November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 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 CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Chicago O'Hare Intl Airport-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. CheapOair >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 CheapOair the most. CheapOair 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.

Cheapflights Insights

Everything you need to know about your flight from Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport

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 October 31, 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 24 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, September 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 $144). Flying from Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport in December is currently the most expensive (average of $229). 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 November 5, 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 52% on the flight price compared to flying at noon, 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 November 2, 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 evenings when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport?

The best insider tips for Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport trip
Airlines
Ethiopian Air

Economy Class offers 32-inch pitch and 17-inch width seats, enhancing comfort.


ShebaSkyConnect provides Wi-Fi on A350, B777, and most B787 aircraft.

Read more about Ethiopian Airby Paul Rubio
United Airlines

Basic Economy allows no carry-on bags, except for MileagePlus members or credit card holders.


United First includes 2 free checked bags and priority perks on the ground.

Read more about United Airlinesby Harriet Baskas
Airports
ORD

For a quick departure, use the free shuttle train to navigate between terminals at ORD, especially if your flight is from a different terminal.

Read more about ORDby Ramsey Qubein
IAD

Use the Washington Metro Silver line for a cost-effective ride to D.C. from IAD, taking less than 40 minutes to reach the city.

Read more about IADby Ramsey Qubein
Our travel experts
Paul Rubio

Paul Rubio

Expert on Ethiopian Air

Paul Rubio

Paul Rubio

Travel journalist and photographer Paul Rubio is a Miami native (and current resident), who has lived in nine countries and traveled to 137. He is an expert in luxury travel, eco-travel, loyalty programs, hotels, airports and airlines. He is a contributing editor at AFAR, Condé Nast Traveler, LUXURY Magazine, and Palm Beach Illustrated.

Read more
Harriet Baskas

Harriet Baskas

Expert on United Airlines

Harriet Baskas

Harriet Baskas

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on ORD and IAD

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

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 November 5, 2025.
See what other customers who have flown with Delta, United Airlines, and Frontier from Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,004 reviews

Boarding

8.2

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,004 reviews
Delta
7.9
Good
8,004 reviews

Boarding

8.2

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,001 reviews
Delta
7.9
Good
8,004 reviews

Boarding

8.2

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Frontier
5.8
Fair
3,115 reviews
Delta
7.9
Good
8,004 reviews

Boarding

8.2

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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.

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

    Delta and United Airlines can get you from Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport in just under 1h 55m. Your travel time can differ by up to 3h 16m. The distance from Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport is about 587 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 $100. Additional round-trip tickets that might be worth considering are offered by Delta and United Airlines, with the lowest prices starting at $196 and $198, respectively. Frontier is currently priced 67% below the average price you’ll pay for this route.

  • 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 Egyptair (100%), ITA Airways (95%) or Ethiopian Air (91%) 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 $884, 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 $128.

  • 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, September 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 $144). Flying from Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport in December is currently the most expensive (average of $229). 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 Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Tysons
Woodbridge
Arlington
Owings Mills
Springfield
Hanover
Silver Spring
Fairfax
Fredericksburg
Falls Church
Linthicum Heights
Manassas
Laurel
Towson
National Harbor
Waldorf
Bowie
Largo
McLean

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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 Reagan-National flights
O'Hare Intl to Baltimore flights
Midway to Dulles Intl flights
Midway to Reagan-National flights
Midway to Baltimore flights

Top 3 airlines flying from O'Hare Intl to Dulles Intl

Discover the top 3 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 November 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$100Average$190FlexibilityNo cancel feeOn-time62%
DeltaCheapest$196Average$222FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$198Average$314FlexibilityNo cancel feeOn-time69%

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