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Cheap flights from Chicago (CHI) to Dulles Intl (IAD) from $80

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 5/29. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
CHI — IAD
Apr 29 — May 61
From?
To?
Mon 4/29
Mon 5/6
1 adult, Economy
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The best prices from Chicago to Washington, D.C. Dulles Intl are usually found in August or September, booked 80 days in advance, depart on a Thursday or Wednesday and return on a Wednesday

Cheap flight deals from Chicago to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) 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 April 24, 2024.

Popular in

November

Cheapest in

August

Round-trip from

$234

One-way from

$132
High demand for flights, 15% potential price rise
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Best time to find cheap flights, 21% potential price drop
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From Chicago (CHI) to Washington, D.C. Dulles Intl
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One-way flight from Chicago (CHI) to Washington, D.C. Dulles Intl
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What is the cheapest day to fly round-trip from Chicago to Washington, D.C. Dulles Intl Airport?

Wednesday is generally a great day to depart. Flying on this day could help you save up to 19%.

How far in advance should I book a flight from Chicago to Washington, D.C. Dulles Intl Airport?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 46 days in advance, which can save you up to 83% on flights from Chicago to Washington, D.C. Dulles Intl Airport compared to booking the week you need them. Waiting 46 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $353. For sooner than that we have options available in the next 3 days from $432.

What is the cheapest month to fly from Chicago to Washington, D.C. Dulles Intl Airport?

Flights from Chicago to Washington, D.C. Dulles Intl Airport lean towards being more expensive in June. Prices are generally better when you fly from Chicago to Washington, D.C. Dulles Intl Airport in September, with the cheapest ticket starting at $95.

When is the cheapest time to fly from Chicago to Washington, D.C. Dulles Intl Airport (CHI - IAD)?

A simple way to save on the total cost of your ticket is to fly from Chicago to Washington, D.C. Dulles Intl Airport in the evening. If you’re flexible enough to do this you can expect to save up to 21% on your trip compared to booking a flight in the afternoon.

Cheap Delta flights from Chicago to Dulles Intl

Explore cheap flight options specifically provided by Delta for the route between Chicago and Dulles Intl. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,086,534 searches. Data last updated April 24, 2024.
Check out some of the cheapest Delta flights we've come across from Chicago to Washington, D.C.. Deals update often to give you more flight options matching your criteria
Wed 5/1512:42 pmMDW - IAD
1 stop6h 51mDelta
Wed 5/226:00 amIAD - MDW
1 stop4h 06mDelta
Deal found 4/23$178
Sat 5/185:00 pmMDW - IAD
1 stop5h 14mDelta
Wed 5/226:00 amIAD - MDW
1 stop4h 06mDelta
Deal found 4/23$193
Wed 5/294:41 pmMDW - IAD
1 stop6h 14mDelta
Sun 6/26:00 amIAD - MDW
1 stop6h 52mDelta
Deal found 4/23$203
Thu 5/305:47 pmMDW - IAD
1 stop4h 05mDelta
Sat 6/16:00 amIAD - MDW
1 stop3h 51mDelta
Deal found 4/23$208
Tue 5/145:57 pmORD - IAD
1 stop4h 58mDelta
Tue 5/216:00 amIAD - ORD
1 stop13h 17mDelta
Deal found 4/23$216
Wed 7/35:45 pmMDW - IAD
1 stop4h 14mDelta
Sun 7/76:10 amIAD - MDW
1 stop3h 39mDelta
Deal found 4/23$218
Tue 5/145:57 pmORD - IAD
1 stop4h 58mDelta
Sat 5/186:00 amIAD - ORD
1 stop15h 55mDelta
Deal found 4/23$226
Wed 5/294:41 pmMDW - IAD
1 stop6h 14mDelta
Sat 6/16:00 amIAD - MDW
1 stop3h 51mDelta
Deal found 4/24$228
Wed 5/1512:31 pmORD - IAD
1 stop7h 02mDelta
Tue 5/216:00 amIAD - ORD
1 stop13h 17mDelta
Deal found 4/23$231

Cheap United Airlines flights from Chicago to Dulles Intl

Explore cheap flight options specifically provided by United Airlines for the route between Chicago and Dulles Intl. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,086,534 searches. Data last updated April 24, 2024.
Some of the lowest-priced United Airlines flights we've found at this time heading from Chicago to Washington, D.C.. Deals are refreshing constantly so come back soon for more options.
Tue 5/218:48 amORD - IAD
Nonstop1h 58mUnited Airlines
Tue 5/286:30 amIAD - ORD
Nonstop2h 10mUnited Airlines
Deal found 4/23$159
Fri 5/179:20 pmORD - IAD
Nonstop1h 52mUnited Airlines
Tue 5/216:45 amIAD - ORD
Nonstop2h 09mUnited Airlines
Deal found 4/23$174
Wed 6/57:00 amORD - IAD
Nonstop1h 55mUnited Airlines
Wed 6/510:15 pmIAD - ORD
Nonstop2h 05mUnited Airlines
Deal found 4/22$177
Sat 6/17:00 amORD - IAD
Nonstop1h 55mUnited Airlines
Tue 6/410:15 pmIAD - ORD
Nonstop2h 05mUnited Airlines
Deal found 4/23$183
Sat 7/208:53 amORD - IAD
Nonstop1h 59mUnited Airlines
Wed 7/316:30 amIAD - ORD
Nonstop2h 10mUnited Airlines
Deal found 4/22$184
Tue 5/289:45 pmORD - IAD
Nonstop2h 02mUnited Airlines
Thu 5/306:30 amIAD - ORD
Nonstop2h 10mUnited Airlines
Deal found 4/23$187
Thu 8/158:53 amORD - IAD
Nonstop1h 59mUnited Airlines
Mon 8/198:25 amIAD - ORD
Nonstop2h 11mUnited Airlines
Deal found 4/23$189
Mon 6/179:45 pmORD - IAD
Nonstop2h 02mUnited Airlines
Wed 6/1910:15 pmIAD - ORD
Nonstop2h 05mUnited Airlines
Deal found 4/23$197
Thu 5/308:47 amORD - IAD
Nonstop1h 59mUnited Airlines
Fri 5/3110:15 pmIAD - ORD
Nonstop2h 05mUnited Airlines
Deal found 4/23$198

Cheap Chicago to Dulles Intl flights in April & May 2024

Find cheap flight options from Chicago to Dulles Intl specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,086,534 searches. Prices were last updated on April 24, 2024.
The lowest fares we've come across on flights traveling from Chicago to Washington, D.C. in April and May 2024. Check back soon for alternative fares.
Tue 5/218:48 amORD - IAD
Nonstop1h 58mUnited Airlines
Tue 5/286:30 amIAD - ORD
Nonstop2h 10mUnited Airlines
Deal found 4/23$159
Fri 5/179:20 pmORD - IAD
Nonstop1h 52mUnited Airlines
Tue 5/216:45 amIAD - ORD
Nonstop2h 09mUnited Airlines
Deal found 4/23$174
Wed 5/1512:42 pmMDW - IAD
1 stop6h 51mDelta
Wed 5/226:00 amIAD - MDW
1 stop4h 06mDelta
Deal found 4/23$178
Tue 5/145:57 pmORD - IAD
1 stop4h 58mDelta
Wed 5/226:00 amIAD - ORD
1 stop4h 20mDelta
Deal found 4/23$178
Wed 5/297:00 amORD - IAD
Nonstop1h 55mUnited Airlines
Fri 5/3110:15 pmIAD - ORD
Nonstop2h 05mUnited Airlines
Deal found 4/23$183
Fri 5/249:45 pmORD - IAD
Nonstop2h 02mUnited Airlines
Tue 5/286:30 amIAD - ORD
Nonstop2h 10mUnited Airlines
Deal found 4/23$184
Tue 5/289:45 pmORD - IAD
Nonstop2h 02mUnited Airlines
Thu 5/306:30 amIAD - ORD
Nonstop2h 10mUnited Airlines
Deal found 4/23$187
Sat 5/186:05 pmORD - IAD
Nonstop1h 56mUnited Airlines
Mon 5/2010:23 pmIAD - ORD
Nonstop2h 07mUnited Airlines
Deal found 4/23$189
Sat 5/185:00 pmMDW - IAD
1 stop5h 14mDelta
Wed 5/226:00 amIAD - MDW
1 stop4h 06mDelta
Deal found 4/23$193

Chicago to Dulles Intl 2024 flight deals

Discover exclusive flight deals for travel between Chicago and Dulles Intl in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,086,534 searches. Data last updated April 24, 2024.
The lowest fares we've come across on flights traveling from Chicago to Washington, D.C. in April and May 2024. Check back soon for alternative fares.
Tue 5/218:48 amORD - IAD
Nonstop1h 58mUnited Airlines
Tue 5/286:30 amIAD - ORD
Nonstop2h 10mUnited Airlines
Deal found 4/23$159
Fri 5/179:20 pmORD - IAD
Nonstop1h 52mUnited Airlines
Tue 5/216:45 amIAD - ORD
Nonstop2h 09mUnited Airlines
Deal found 4/23$174
Wed 6/57:00 amORD - IAD
Nonstop1h 55mUnited Airlines
Wed 6/510:15 pmIAD - ORD
Nonstop2h 05mUnited Airlines
Deal found 4/22$177
Wed 5/1512:42 pmMDW - IAD
1 stop6h 51mDelta
Wed 5/226:00 amIAD - MDW
1 stop4h 06mDelta
Deal found 4/23$178
Tue 9/2411:19 amORD - IAD
1 stop7h 39mDelta
Wed 10/27:10 amIAD - ORD
1 stop5h 54mDelta
Deal found 4/24$178
Sat 6/17:00 amORD - IAD
Nonstop1h 55mUnited Airlines
Tue 6/410:15 pmIAD - ORD
Nonstop2h 05mUnited Airlines
Deal found 4/23$183
Sat 7/208:53 amORD - IAD
Nonstop1h 59mUnited Airlines
Wed 7/316:30 amIAD - ORD
Nonstop2h 10mUnited Airlines
Deal found 4/22$184
Tue 5/289:45 pmORD - IAD
Nonstop2h 02mUnited Airlines
Thu 5/306:30 amIAD - ORD
Nonstop2h 10mUnited Airlines
Deal found 4/23$187
Thu 8/158:53 amORD - IAD
Nonstop1h 59mUnited Airlines
Mon 8/198:25 amIAD - ORD
Nonstop2h 11mUnited Airlines
Deal found 4/23$189

Non-stop flights to Dulles Intl from Chicago

Discover non-stop flight options from Chicago to Dulles Intl. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 3,086,534 searches. Data last updated April 24, 2024.
For a quicker trip, book one of these direct flights from Chicago to Washington, D.C.. Select from other flights from Chicago to Washington, D.C. by using the search form above.
Tue 5/218:48 amORD - IAD
Nonstop1h 58mUnited Airlines
Tue 5/286:30 amIAD - ORD
Nonstop2h 10mUnited Airlines
Deal found 4/23$159
Fri 5/179:20 pmORD - IAD
Nonstop1h 52mUnited Airlines
Tue 5/216:45 amIAD - ORD
Nonstop2h 09mUnited Airlines
Deal found 4/23$174
Wed 6/57:00 amORD - IAD
Nonstop1h 55mUnited Airlines
Wed 6/510:15 pmIAD - ORD
Nonstop2h 05mUnited Airlines
Deal found 4/22$177
Sat 6/17:00 amORD - IAD
Nonstop1h 55mUnited Airlines
Tue 6/410:15 pmIAD - ORD
Nonstop2h 05mUnited Airlines
Deal found 4/23$183
Sat 7/209:28 pmORD - IAD
Nonstop2h 02mUnited Airlines
Tue 7/2310:10 pmIAD - ORD
Nonstop2h 05mUnited Airlines
Deal found 4/22$184
Tue 5/289:45 pmORD - IAD
Nonstop2h 02mUnited Airlines
Thu 5/306:30 amIAD - ORD
Nonstop2h 10mUnited Airlines
Deal found 4/23$187
Thu 8/158:53 amORD - IAD
Nonstop1h 59mUnited Airlines
Mon 8/198:25 amIAD - ORD
Nonstop2h 11mUnited Airlines
Deal found 4/23$189
Mon 6/179:45 pmORD - IAD
Nonstop2h 02mUnited Airlines
Wed 6/1910:15 pmIAD - ORD
Nonstop2h 05mUnited Airlines
Deal found 4/23$197
Thu 5/308:47 amORD - IAD
Nonstop1h 59mUnited Airlines
Fri 5/3110:15 pmIAD - ORD
Nonstop2h 05mUnited Airlines
Deal found 4/23$198

Chicago to Dulles Intl flights leaving soon

Find last-minute flight options from Chicago to Dulles Intl for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,086,534 searches. Data last updated April 24, 2024.
Have a look at some of the last-minute flights available departing from Chicago to Washington, D.C.. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.
Fri 5/36:35 pmORD - IAD
1 stop19h 55mUnited Airlines
Sat 5/45:35 pmIAD - ORD
Nonstop2h 14mUnited Airlines
Deal found 4/23$332
Fri 5/36:35 pmORD - IAD
1 stop19h 55mUnited Airlines
Sat 5/45:35 pmIAD - ORD
Nonstop2h 14mUnited Airlines
Deal found 4/23$333
Fri 5/310:35 amORD - IAD
Nonstop1h 50mUnited Airlines
Fri 5/35:21 pmIAD - ORD
1 stop15h 44mUnited Airlines
Deal found 4/23$348
Fri 5/37:15 amORD - IAD
1 stop4h 29mDelta
Wed 5/1512:35 pmIAD - ORD
1 stop5h 26mDelta
Deal found 4/23$353
Sat 5/410:37 amORD - IAD
Nonstop1h 50mUnited Airlines
Tue 5/78:30 amIAD - ORD
Nonstop2h 09mUnited Airlines
Deal found 4/23$366
Fri 5/310:35 amORD - IAD
Nonstop1h 50mUnited Airlines
Tue 5/76:00 amIAD - ORD
1 stop4h 35mUnited Airlines
Deal found 4/23$375
Sat 5/410:37 amORD - IAD
Nonstop1h 50mUnited Airlines
Wed 5/86:00 amIAD - ORD
1 stop4h 35mUnited Airlines
Deal found 4/23$378
Sat 5/45:30 amORD - IAD
1 stop7h 12mAmerican Airlines
Tue 5/75:02 amIAD - ORD
1 stop4h 54mAmerican Airlines
Deal found 4/23$382
Sat 5/45:45 pmMDW - IAD
1 stop4h 06mDelta
Tue 5/75:20 pmIAD - MDW
1 stop5h 41mDelta
Deal found 4/23$385

One-way flights to Dulles Intl from Chicago

Search for one-way flight options from Chicago to Dulles Intl. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,086,534 searches. Data last updated April 24, 2024.
Users in need of a one-way flight from Chicago to Washington, D.C. can choose from these deals. Users can also find round-trip Chicago to Washington, D.C. flights by using the search form above.
Wed 5/297:00 amORD - IAD
Nonstop1h 55mUnited Airlines
Deal found 4/23$80
Fri 6/148:05 pmORD - IAD
1 stop15h 52mSun Country Air
Deal found 4/23$86
Tue 6/115:45 pmMDW - IAD
1 stop4h 13mDelta
Deal found 4/23$89
Wed 7/246:00 amORD - IAD
1 stop6h 54mDelta
Deal found 4/23$89
Tue 5/289:45 pmORD - IAD
Nonstop2h 02mUnited Airlines
Deal found 4/23$92
Fri 5/179:20 pmORD - IAD
Nonstop1h 52mUnited Airlines
Deal found 4/23$95
Tue 6/49:45 pmORD - IAD
Nonstop2h 02mUnited Airlines
Deal found 4/22$98
Thu 5/305:15 amORD - IAD
1 stop5h 00mAmerican Airlines
Deal found 4/23$103
Wed 6/125:45 pmMDW - IAD
1 stop4h 13mDelta
Deal found 4/23$104

Find flights from Chicago to Dulles Intl within your budget

Customize your flight search to find flights from Chicago 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 3,086,534 searches. Data last updated April 24, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$159 - $277

Route

Depart

Return

Price

Chicago O'Hare IntlWashington, D.C. Dulles Intl

ORD - IAD

ORDIAD

Chicago O'Hare Intl

Tue 5/21

Nonstop1h 58m

Washington, D.C. Dulles Intl

Tue 5/28

Nonstop2h 10m

$159

Chicago O'Hare IntlWashington, D.C. Dulles Intl

ORD - IAD

ORDIAD

Chicago O'Hare Intl

Fri 5/17

Nonstop1h 52m

Washington, D.C. Dulles Intl

Tue 5/21

Nonstop2h 09m

$174

Chicago O'Hare IntlWashington, D.C. Dulles Intl

ORD - IAD

ORDIAD

Chicago O'Hare Intl

Wed 6/5

Nonstop1h 55m

Washington, D.C. Dulles Intl

Wed 6/5

Nonstop2h 05m

$177

Chicago MidwayWashington, D.C. Dulles Intl

MDW - IAD

MDWIAD

Chicago Midway

Wed 5/15

1 stop6h 51m

Washington, D.C. Dulles Intl

Wed 5/22

1 stop4h 06m

$178

Chicago O'Hare IntlWashington, D.C. Dulles Intl

ORD - IAD

ORDIAD

Chicago O'Hare Intl

Tue 5/14

1 stop4h 58m

Washington, D.C. Dulles Intl

Wed 5/22

1 stop4h 20m

$178

Chicago O'Hare IntlWashington, D.C. Dulles Intl

ORD - IAD

ORDIAD

Chicago O'Hare Intl

Wed 5/29

1 stop5h 00m

Washington, D.C. Dulles Intl

Tue 6/4

1 stop4h 54m

$205

Chicago O'Hare IntlWashington, D.C. Dulles Intl

ORD - IAD

ORDIAD

Chicago O'Hare Intl

Wed 5/29

2 stops24h 26m

Washington, D.C. Dulles Intl

Wed 6/5

1 stop8h 43m

$212

Chicago O'Hare IntlWashington, D.C. Dulles Intl

ORD - IAD

ORDIAD

Chicago O'Hare Intl

Mon 6/10

1 stop13h 32m

Washington, D.C. Dulles Intl

Thu 6/13

1 stop6h 02m

$245

Chicago O'Hare IntlWashington, D.C. Dulles Intl

ORD - IAD

ORDIAD

Chicago O'Hare Intl

Wed 5/29

1 stop11h 39m

Washington, D.C. Dulles Intl

Sat 6/1

Nonstop2h 10m

$277

Flights are sorted by cheapest first

Deals found on 4/23

When is the best time to book a flight from Chicago to Washington, D.C. Dulles Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Chicago to Dulles Intl. Price data was last updated on January 28, 2024.
The best time to book flights from Chicago to Washington, D.C. Dulles Intl Airport is 80 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Search Deals

When is the cheapest time to fly from Chicago to Washington, D.C. Dulles Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Chicago to Dulles Intl. Price data was last updated on April 21, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Chicago to Washington, D.C. Dulles Intl Airport flight should consider departing on Monday at noon when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Dulles Intl by month

Plan your trip from Chicago to Dulles Intl by taking into account the cheapest months to travel. The average price of a one-way flight from Chicago to Dulles Intl is currently $93 while a round-trip flight costs $201. Price data was last updated on April 21, 2024.

Currently, September is the cheapest month in which you can book a flight from Chicago to Washington, D.C. Dulles Intl Airport (average of $281). Flying from Chicago to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $398). 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.

January

$308

February

$303

March

$358

April

$332

May

$335

June

$398

July

$378

August

$296

September

$281

October

$303

November

$328

December

$290

Temperature and rainfall in Dulles Intl by month

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

WAS

Temperature

35.6 - 80.6 °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 April 24, 2024.
Read reviews from past customers who have flown Delta, United Airlines and Porter Airlines from Chicago to Washington, D.C.. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.2
Very good
6,185 reviews
Check prices

Entertainment

7.8

Boarding

8.3

Comfort

8.1

Food

7.4

Overall

8.2

Crew

8.7

Reviews

1 / 10

I was traveling with a companion that utilizes a scooter to get around. We have flown together many times and used other airlines. Southwest by far is the most accommodating airline in the fleet your staff Makes the accessibility easy and convenient for for this type of travel. We would personally like to think the flight teams of our two flights for being very accommodating and helpful throughout our trip.

Southwest
8.2
Very good
6,185 reviews
Southwest
8.2
Very good
6,185 reviews
Check prices

Entertainment

7.8

Boarding

8.3

Comfort

8.1

Food

7.4

Overall

8.2

Crew

8.7

Reviews

1 / 10

I was traveling with a companion that utilizes a scooter to get around. We have flown together many times and used other airlines. Southwest by far is the most accommodating airline in the fleet your staff Makes the accessibility easy and convenient for for this type of travel. We would personally like to think the flight teams of our two flights for being very accommodating and helpful throughout our trip.

Delta
8.1
Very good
11,004 reviews
Southwest
8.2
Very good
6,185 reviews
Check prices

Entertainment

7.8

Boarding

8.3

Comfort

8.1

Food

7.4

Overall

8.2

Crew

8.7

Reviews

1 / 10

I was traveling with a companion that utilizes a scooter to get around. We have flown together many times and used other airlines. Southwest by far is the most accommodating airline in the fleet your staff Makes the accessibility easy and convenient for for this type of travel. We would personally like to think the flight teams of our two flights for being very accommodating and helpful throughout our trip.

Porter Airlines
7.4
Good
438 reviews
Southwest
8.2
Very good
6,185 reviews
Check prices

Entertainment

7.8

Boarding

8.3

Comfort

8.1

Food

7.4

Overall

8.2

Crew

8.7

Reviews

1 / 10

I was traveling with a companion that utilizes a scooter to get around. We have flown together many times and used other airlines. Southwest by far is the most accommodating airline in the fleet your staff Makes the accessibility easy and convenient for for this type of travel. We would personally like to think the flight teams of our two flights for being very accommodating and helpful throughout our trip.

United Airlines
7.4
Good
11,272 reviews
Southwest
8.2
Very good
6,185 reviews
Check prices

Entertainment

7.8

Boarding

8.3

Comfort

8.1

Food

7.4

Overall

8.2

Crew

8.7

Reviews

1 / 10

I was traveling with a companion that utilizes a scooter to get around. We have flown together many times and used other airlines. Southwest by far is the most accommodating airline in the fleet your staff Makes the accessibility easy and convenient for for this type of travel. We would personally like to think the flight teams of our two flights for being very accommodating and helpful throughout our trip.

American Airlines
7.3
Good
14,898 reviews
Southwest
8.2
Very good
6,185 reviews
Check prices

Entertainment

7.8

Boarding

8.3

Comfort

8.1

Food

7.4

Overall

8.2

Crew

8.7

Reviews

1 / 10

I was traveling with a companion that utilizes a scooter to get around. We have flown together many times and used other airlines. Southwest by far is the most accommodating airline in the fleet your staff Makes the accessibility easy and convenient for for this type of travel. We would personally like to think the flight teams of our two flights for being very accommodating and helpful throughout our trip.

Related info for your journey

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

  • Can I find flights from Chicago to Washington, D.C. Dulles Intl Airport for under $200 on Cheapflights?

    Yes, there are multiple flights from Chicago to Washington, D.C. Dulles Intl Airport for under $200. The cheapest flight booked recently is on United Airlines for just $159, but on average you can expect to pay $190.

  • Are there nonstop flights from Chicago to Washington, D.C. Dulles Intl Airport for under $200 on Cheapflights?

    Cheapflights has at least 20 direct flights from Chicago to Washington, D.C. Dulles Intl Airport under $200. A good price for a nonstop flight from Chicago to Washington, D.C. Dulles Intl Airport is less than $200.

  • Are there last-minute flights available from Chicago to Washington, D.C. Dulles Intl Airport for under $400?

    There are currently 20+ open flights from Chicago to Washington, D.C. Dulles Intl Airport within the next 7 days for less than $400.

  • What days are nonstop flights available from Chicago to Washington, D.C. Dulles Intl Airport?

    You can find nonstop flights on the following days: Sunday, Monday, Wednesday, Thursday, Friday, Saturday.

  • How many flights depart from Chicago to Washington, D.C. Dulles Intl Airport on average per day?

    Per day, 22 flights depart from Chicago to Washington, D.C. Dulles Intl Airport on average.
    Morning (6am - Noon) - 50% of flight departures
    Evening (6pm - Midnight) - 50% of flight departures

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

    For as low as $159, United Airlines can have you in Washington, D.C. Dulles Intl Airport from Chicago in 1h 58m. The distance between Chicago and Washington, D.C. Dulles Intl Airport is about 590 mi. This flight may include one or multiple stops.

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

    Flying on United Airlines is currently your cheapest option to Washington, D.C. Dulles Intl Airport, with prices starting at $159. Additional round-trip tickets that might be worth considering are offered by Delta and American Airlines, with the lowest prices starting at $178 and $205, respectively. United Airlines is 49% cheaper than the average price of flights available within the next 90 days to this destination.

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

    $80 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Sun Country Air and Delta, with prices starting from $86 and $89, respectively.

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

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

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

    The top 3 most reliable airlines when flying from Chicago to Washington, D.C. Dulles Intl Airport are Air Canada (87%), Air New Zealand (87%) and Copa Airlines (85%).

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

    Looking at all options, your cheapest flight can be booked for $82. While the most popular route (Chicago O'Hare Intl - Washington, D.C. Dulles Intl) can be booked for $178 on average our data indicates $948 when flying from Chicago to Washington, D.C. Dulles Intl Airport.

  • What does ORD to IAD mean?

    ORD and IAD are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. ORD to IAD refers to a flight route from Chicago O'Hare Intl Airport to Washington, D.C. Dulles Intl Airport. Ready for more IATA code knowledge? These are related airports for your current travel destination: Chicago Midway Airport (MDW), Chicago Greater Rockford Airport (RFD).

  • Can I find deals for flights from Chicago to Dulles Intl that include extra baggage allowance?

    The amount of baggage you can bring on your Chicago to Dulles Intl flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Chicago to Dulles Intl with specific airlines?

    Yes, Cheapflights allows you to browse and filter Chicago to Dulles Intl flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

  • How can I find direct flights from Chicago to Dulles Intl?

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

  • Can I find deals for business class flights from Chicago to Dulles Intl?

    Yes. Cheapflights offers flight deals from Chicago 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.

  • Can I find deals for flights from Chicago to Dulles Intl that allow pets onboard?

    Many airlines flying from Chicago to Dulles Intl offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Chicago to Dulles Intl?

    Yes, you can often find last-minute deals on Chicago to Dulles Intl flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Chicago to Washington, D.C. Dulles Intl Airport flight deals updated?

    The Chicago to Washington, D.C. Dulles Intl Airport flight deals you see on this page were last updated on 4/24.

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Alternative routes for Chicago to Dulles Intl
See prices for flight routes from nearby airports that may be better suited for you.

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Top 3 airlines flying from Chicago to Dulles Intl

Discover the top 3 airlines that operate flights from Chicago 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 3,086,534 searches. Data last updated April 24, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$178Average$314FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapest$211Average$424FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapest$219Average$328FlexibilityNo cancel feeOn-time71%
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Search flights from Chicago to Dulles Intl by cabin class

Find flights from Chicago to Dulles Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Hourly flight availability from Chicago to Dulles Intl

Find hourly flight availability from Chicago 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 April 24, 2024.
1%of flight departuresEarly morningMidnight to 6 am
35%of flight departuresMorning6 am to noon
51%of flight departuresAfternoonNoon to 6 pm
13%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Chicago to Dulles Intl

Explore weekly flight availability from Chicago to Dulles Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 24, 2024.
Sunday5daily flights
Monday24daily flights
Tuesday14daily flights
Wednesday16daily flights
Thursday14daily flights
Friday22daily flights
Saturday8daily flights

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When you search for this flight from Chicago to Dulles Intl, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Dulles Intl from Chicago.

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Certainly. Search results for flights to Dulles Intl from Chicago shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Chicago to Dulles Intl become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Dulles Intl from Chicago today and book when prices fit your budget.

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