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%), Avianca (92%) or Austrian Airlines (89%) as they are the most reliable in getting you off to your destination on time.

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

American Airlines, Delta and Frontier are the most popular airlines when flying from Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport.

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

Departing on a Thursday is a good option for securing a great price. You can expect to save up to 47% when planning your travel around this day of the week.

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.

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.

$89+ Flights from Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport

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Find cheap flights from O'Hare Intl to Dulles Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

The best prices from Chicago O'Hare Intl to Washington, D.C. Dulles Intl are usually found in July or August, booked 60 days in advance, depart on a Friday or Thursday and return on a Friday

Cheap flight deals from O'Hare Intl to Dulles Intl

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$177 (Mytrip)
One-way from	$89 (United Airlines)
Popular in	February
Cheapest in	July
Average price	$354
Good round-trip deal	$429 or less
Good one-way deal	$149 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

Search Deals

Highest demand for flights based on searches. 4% potential increase in price ($15 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).

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Average for round-trip flights in February 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 February 20, 2025.

Fri 4/49:54 amORD - IAD

1 stop6h 11mFrontier

Sun 4/611:45 amIAD - ORD

1 stop21h 05mFrontier

Deal found 2/19

$177

Mon 3/249:07 pmORD - IAD

Nonstop1h 52mUnited Airlines

Wed 3/268:20 amIAD - ORD

Nonstop2h 18mUnited Airlines

Deal found 2/20

$178

Tue 3/255:30 pmORD - IAD

1 stop6h 01mDelta

Wed 3/267:35 amIAD - ORD

1 stop7h 10mDelta

Deal found 2/20

$194

Thu 3/65:00 amORD - IAD

1 stop7h 31mAmerican Airlines

Mon 3/101:52 pmIAD - ORD

1 stop6h 39mAmerican Airlines

Deal found 2/19

$267

Wed 3/125:22 pmORD - IAD

3 stops17h 04mMultiple Airlines

Fri 3/145:40 pmIAD - ORD

3 stops31h 16mMultiple Airlines

Deal found 2/20

$280

Best flights from O'Hare Intl to Dulles Intl
Discover carefully curated flight deals from O'Hare Intl to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 20, 2025.

Fri 4/49:54 amORD - IAD

1 stop6h 11mFrontier

Sun 4/611:45 amIAD - ORD

1 stop21h 05mFrontier

Deal found 2/19

$177

Mon 3/249:07 pmORD - IAD

Nonstop1h 52mUnited Airlines

Tue 3/2510:20 pmIAD - ORD

Nonstop2h 09mUnited Airlines

Deal found 2/20

$178

Tue 3/255:30 pmORD - IAD

1 stop6h 01mDelta

Wed 3/267:35 amIAD - ORD

1 stop7h 10mDelta

Deal found 2/20

$194

Thu 3/65:00 amORD - IAD

1 stop7h 31mAmerican Airlines

Mon 3/101:52 pmIAD - ORD

1 stop6h 39mAmerican Airlines

Deal found 2/19

$267

Wed 3/125:22 pmORD - IAD

3 stops17h 04mMultiple Airlines

Fri 3/145:40 pmIAD - ORD

3 stops31h 16mMultiple Airlines

Deal found 2/20

$280

Last-minute flights from O'Hare Intl to Dulles Intl
Discover last-minute flight deals from O'Hare Intl to Dulles Intl. Data last updated February 20, 2025 and is based on user searches.

Thu 2/278:04 amORD - IAD

1 stop7h 59mFrontier

Sat 3/13:04 pmIAD - ORD

1 stop8h 21mFrontier

Deal found 2/20

$181

Thu 2/274:10 pmORD - IAD

Nonstop1h 51mUnited Airlines

Thu 2/2710:05 pmIAD - ORD

1 stop10h 52mUnited Airlines

Deal found 2/19

$247

Fri 2/286:45 amORD - IAD

1 stop4h 03mDelta

Sun 3/97:42 pmIAD - ORD

1 stop5h 14mDelta

Deal found 2/19

$504

Sat 3/15:45 pmORD - IAD

2 stops23h 50mMultiple Airlines

Sun 3/29:45 pmIAD - ORD

3 stops27h 13mMultiple Airlines

Deal found 2/19

$346

Sat 3/11:43 pmORD - IAD

2 stops7h 50mAlaska Airlines

Sat 3/87:00 amIAD - ORD

1 stop17h 59mAlaska Airlines

Deal found 2/19

$13,421

Sun 3/26:35 pmORD - IAD

1 stop4h 18mAmerican Airlines

Wed 3/56:30 amIAD - ORD

1 stop5h 07mAmerican Airlines

Deal found 2/20

$505

Mon 3/38:00 amORD - IAD

1 stop11h 13mFrontier

Wed 3/125:54 pmIAD - ORD

1 stop26h 00mFrontier

Deal found 2/19

$177

Wed 3/55:22 pmORD - IAD

3 stops17h 04mMultiple Airlines

Wed 3/128:25 amIAD - ORD

3 stops16h 31mMultiple Airlines

Deal found 2/19

$303

Thu 3/65:00 amORD - IAD

1 stop7h 31mAmerican Airlines

Mon 3/101:52 pmIAD - ORD

1 stop6h 39mAmerican Airlines

Deal found 2/19

$267

Tue 3/186:45 amORD - IAD

1 stop3h 48mDelta

Tue 3/185:14 pmIAD - ORD

1 stop7h 42mDelta

Deal found 2/19

$197

Mon 3/249:07 pmORD - IAD

Nonstop1h 52mUnited Airlines

Tue 3/2510:20 pmIAD - ORD

Nonstop2h 09mUnited Airlines

Deal found 2/20

$178

One-way flights from O'Hare Intl to Dulles Intl
Search for one-way flight options from O'Hare Intl to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated February 20, 2025.

Wed 3/266:18 pmORD - IAD

Nonstop1h 55mUnited Airlines

Deal found 2/20

$89

Sun 3/98:10 amORD - IAD

1 stop12h 15mFrontier

Deal found 2/20

$91

Thu 3/136:45 amORD - IAD

1 stop3h 48mDelta

Deal found 2/20

$97

Tue 4/15:22 pmORD - IAD

3 stops16h 58mMultiple Airlines

Deal found 2/20

$114

Wed 5/78:05 amORD - IAD

1 stop4h 17mAmerican Airlines

Deal found 2/20

$134

Sun 4/207:05 pmORD - IAD

1 stop14h 38mSun Country Air

Deal found 2/20

$211

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

Fly from

Fly to

Route

Depart

Return

Price

ChicagoWashington, D.C.

ORD - IAD

ORDIAD

Chicago O'Hare Intl

Fri 4/4

9:54 am-5:05 pm

1 stop6h 11m

Washington, D.C. Dulles Intl

Sun 4/6

11:45 am-7:50 am

1 stop21h 05m

$177

ChicagoWashington, D.C.

ORD - IAD

ORDIAD

Chicago O'Hare Intl

Mon 3/24

9:07 pm-11:59 pm

Nonstop1h 52m

Washington, D.C. Dulles Intl

Wed 3/26

8:20 am-9:38 am

Nonstop2h 18m

$178

ChicagoWashington, D.C.

ORD - IAD

ORDIAD

Chicago O'Hare Intl

Tue 3/25

5:30 pm-12:31 am

1 stop6h 01m

Washington, D.C. Dulles Intl

Wed 3/26

7:35 am-1:45 pm

1 stop7h 10m

$194

ChicagoWashington, D.C.

ORD - IAD

ORDIAD

Chicago O'Hare Intl

Thu 3/6

5:00 am-1:31 pm

1 stop7h 31m

Washington, D.C. Dulles Intl

Mon 3/10

1:52 pm-7:31 pm

1 stop6h 39m

$267

ChicagoWashington, D.C.

ORD - IAD

ORDIAD

Chicago O'Hare Intl

Wed 3/12

5:22 pm-11:26 am

3 stops17h 04m

Washington, D.C. Dulles Intl

Fri 3/14

5:40 pm-11:56 pm

3 stops31h 16m

$280

ChicagoWashington, D.C.

ORD - IAD

ORDIAD

Chicago O'Hare Intl

Wed 3/26

6:18 pm-9:13 pm

Nonstop1h 55m

$89

ChicagoWashington, D.C.

ORD - IAD

ORDIAD

Chicago O'Hare Intl

Sun 3/9

8:10 am-9:25 pm

1 stop12h 15m

$91

ChicagoWashington, D.C.

ORD - IAD

ORDIAD

Chicago O'Hare Intl

Thu 3/13

6:45 am-11:33 am

1 stop3h 48m

$97

ChicagoWashington, D.C.

ORD - IAD

ORDIAD

Chicago O'Hare Intl

Tue 4/1

5:22 pm-11:20 am

3 stops16h 58m

$114

ChicagoWashington, D.C.

ORD - IAD

ORDIAD

Chicago O'Hare Intl

Wed 5/7

8:05 am-1:22 pm

1 stop4h 17m

$134

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 11 results

Compare providers for flights from O'Hare Intl to Dulles Intl

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 February.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust 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?

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?

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 59% 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?

Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport flight should consider departing on Thursday 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.

Weekly flight availability from Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport

The most flights from ORD to IAD are scheduled on a Thursday (20 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (8 on average).

Rainfall in Dulles Intl 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

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 a feel of what it's like to fly with Delta, 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

8,220 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

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

Delta

8.0

Very good

8,220 reviews

Delta

8.0

Very good

8,220 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

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

United Airlines

7.4

Good

8,766 reviews

Delta

8.0

Very good

8,220 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

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

8,220 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

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

Sun Country Air

7.0

Good

374 reviews

Delta

8.0

Very good

8,220 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

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

Frontier

6.0

Okay

3,355 reviews

Delta

8.0

Very good

8,220 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

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

Related info for your journey

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 $177. Additional round-trip tickets that might be worth considering are offered by United Airlines and Delta, with the lowest prices starting at $178 and $194, respectively. Frontier is currently priced 43% 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 $89. 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%), Avianca (92%) or Austrian Airlines (89%) 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 $843, our data indicates the cheapest price to be $114. The most popular route (Chicago O'Hare Intl - Washington, D.C. Dulles Intl), is priced around $141.
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

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Fairfax

Springfield

Rockville

Tysons

Gaithersburg

Silver Spring

Fredericksburg

Linthicum Heights

Laurel

Falls Church

Woodbridge

Sterling

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Herndon

Bowie

Reston

National Harbor

Oxon Hill

Browse thousands of different options on Cheapflights for your next trip

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

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$54	Average$164	FlexibilityNo cancel fee	On-time62%
American Airlines	Cheapest$109	Average$332	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$176	Average$248	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$177	Average$306	FlexibilityNo cancel fee	On-time69%

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$89+ 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 3/26. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from O'Hare Intl to Dulles Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

The best prices from Chicago O'Hare Intl to Washington, D.C. Dulles Intl are usually found in July or August, booked 60 days in advance, depart on a Friday or Thursday and return on a Friday

Cheap flight deals from O'Hare Intl to Dulles Intl

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from O'Hare Intl to Dulles Intl

Cheapest flights from O'Hare Intl to Dulles IntlExplore 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 February 20, 2025.

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 February 20, 2025.

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

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 February.

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.

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 February 14, 2025.

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

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 February 20, 2025.

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 February 16, 2025.

Weekly flight availability from Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport

Rainfall in Dulles Intl by month

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

Temperature in Dulles Intl by month

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

Reviews of airlines servicing Dulles Intl

Get a feel of what it's like to fly with Delta, 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.

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?

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

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

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

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

How can I 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?

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

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for O'Hare Intl to Dulles Intl

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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 February 20, 2025.