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

CHI — IAD
Aug 13 — Aug 201

How to find the cheapest flight from Chicago (CHI) to Dulles Intl (IAD)

All the information you need to plan the best CHI to IAD flight in 2022: compare Chicago to Dulles Intl flight prices with the expected peak season, weather and rainfall in Dulles Intl.

CHI - IAD

Price

$205 - $379

IAD

Temperature

35.6 - 80.6 °F

IAD

Rainfall

2.6 - 4 inches

Popular inJuneHigh demand for flights, 29% potential price rise
Cheapest inSeptemberBest time to find cheap flights, 24% potential price drop
Round-trip from$205From Chicago (CHI) to Washington, D.C. Dulles Intl
One-way from$134One-way flight from Chicago (CHI) to Washington, D.C. Dulles Intl

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 58 days in advance, which can save you up to 53% on flights from Chicago to Washington, D.C. Dulles Intl Airport compared to booking the week you need them. Waiting 58 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 $294. For sooner than that we have options available in the next 3 days from $387.

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 January, with the cheapest ticket starting at $157.

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

When flying from Chicago to Washington, D.C. Dulles Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap flights from Chicago to Dulles Intl in August, September 2022

The best prices found for CHI to IAD flights for August, September
Sep 3 - Sep 4
ORD

Chicago O'Hare Intl

IAD

Washington, D.C. Dulles Intl

Nonstop

1h 55m
IAD

Washington, D.C. Dulles Intl

ORD

Chicago O'Hare Intl

Nonstop

2h 07m
$180

United Airlines

Pick Dates

Deal found 8/8/22

Sep 8 - Sep 8
ORD

Chicago O'Hare Intl

IAD

Washington, D.C. Dulles Intl

1 stop

6h 37m
IAD

Washington, D.C. Dulles Intl

ORD

Chicago O'Hare Intl

Nonstop

2h 03m
$181

United Airlines

Pick Dates

Deal found 8/8/22

Sep 2 - Sep 4
ORD

Chicago O'Hare Intl

IAD

Washington, D.C. Dulles Intl

1 stop

3h 54m
IAD

Washington, D.C. Dulles Intl

ORD

Chicago O'Hare Intl

Nonstop

2h 02m
$188

Multiple Airlines

Pick Dates

Deal found 8/6/22

Chicago to Dulles Intl 2022 flight deals

Cheap flights to Dulles Intl from Chicago found for this year
Sep 3 - Sep 4
ORD

Chicago O'Hare Intl

IAD

Washington, D.C. Dulles Intl

Nonstop

1h 55m
IAD

Washington, D.C. Dulles Intl

ORD

Chicago O'Hare Intl

Nonstop

2h 07m
$180

United Airlines

Pick Dates

Deal found 8/8/22

Sep 8 - Sep 8
ORD

Chicago O'Hare Intl

IAD

Washington, D.C. Dulles Intl

1 stop

6h 37m
IAD

Washington, D.C. Dulles Intl

ORD

Chicago O'Hare Intl

Nonstop

2h 03m
$181

United Airlines

Pick Dates

Deal found 8/8/22

Sep 2 - Sep 4
ORD

Chicago O'Hare Intl

IAD

Washington, D.C. Dulles Intl

1 stop

3h 54m
IAD

Washington, D.C. Dulles Intl

ORD

Chicago O'Hare Intl

Nonstop

2h 02m
$188

Multiple Airlines

Pick Dates

Deal found 8/6/22

Cheap United Airlines flights from Chicago to Dulles Intl

Sep 3 - Sep 4
ORD

Chicago O'Hare Intl

IAD

Washington, D.C. Dulles Intl

Nonstop

1h 55m
IAD

Washington, D.C. Dulles Intl

ORD

Chicago O'Hare Intl

Nonstop

2h 07m
$180

United Airlines

Pick Dates

Deal found 8/8/22

Sep 8 - Sep 8
ORD

Chicago O'Hare Intl

IAD

Washington, D.C. Dulles Intl

1 stop

6h 37m
IAD

Washington, D.C. Dulles Intl

ORD

Chicago O'Hare Intl

Nonstop

2h 03m
$181

United Airlines

Pick Dates

Deal found 8/8/22

Aug 30 - Sep 4
ORD

Chicago O'Hare Intl

IAD

Washington, D.C. Dulles Intl

Nonstop

1h 55m
IAD

Washington, D.C. Dulles Intl

ORD

Chicago O'Hare Intl

Nonstop

2h 07m
$209

United Airlines

Pick Dates

Deal found 8/7/22

Cheap Delta flights from Chicago to Dulles Intl

Aug 31 - Sep 5
MDW

Chicago Midway

IAD

Washington, D.C. Dulles Intl

1 stop

5h 54m
IAD

Washington, D.C. Dulles Intl

MDW

Chicago Midway

1 stop

3h 12m
$196

Delta

Pick Dates

Deal found 8/5/22

Sep 3 - Sep 4
MDW

Chicago Midway

IAD

Washington, D.C. Dulles Intl

1 stop

4h 51m
IAD

Washington, D.C. Dulles Intl

MDW

Chicago Midway

1 stop

3h 12m
$198

Delta

Pick Dates

Deal found 8/7/22

Oct 8 - Oct 11
MDW

Chicago Midway

IAD

Washington, D.C. Dulles Intl

1 stop

4h 50m
IAD

Washington, D.C. Dulles Intl

MDW

Chicago Midway

1 stop

8h 03m
$214

Delta

Pick Dates

Deal found 8/5/22

Non-stop flights to Dulles Intl from Chicago

Save time with Chicago to Dulles Intl direct flight deals
Sep 3 - Sep 4
ORD

Chicago O'Hare Intl

IAD

Washington, D.C. Dulles Intl

Nonstop

1h 55m
IAD

Washington, D.C. Dulles Intl

ORD

Chicago O'Hare Intl

Nonstop

2h 07m
$180

United Airlines

Pick Dates

Deal found 8/8/22

Aug 30 - Sep 4
ORD

Chicago O'Hare Intl

IAD

Washington, D.C. Dulles Intl

Nonstop

1h 54m
IAD

Washington, D.C. Dulles Intl

ORD

Chicago O'Hare Intl

Nonstop

2h 02m
$209

United Airlines

Pick Dates

Deal found 8/7/22

Sep 2 - Sep 4
ORD

Chicago O'Hare Intl

IAD

Washington, D.C. Dulles Intl

Nonstop

1h 54m
IAD

Washington, D.C. Dulles Intl

ORD

Chicago O'Hare Intl

Nonstop

2h 07m
$218

United Airlines

Pick Dates

Deal found 8/6/22

Last minute flights from Chicago to Dulles Intl

Late deals on return flights to Dulles Intl from Chicago, departing today and this week
Aug 17 - Aug 22
ORD

Chicago O'Hare Intl

IAD

Washington, D.C. Dulles Intl

1 stop

9h 25m
IAD

Washington, D.C. Dulles Intl

ORD

Chicago O'Hare Intl

1 stop

12h 15m
$269

United Airlines

Pick Dates

Deal found 8/6/22

Aug 17 - Aug 24
ORD

Chicago O'Hare Intl

IAD

Washington, D.C. Dulles Intl

1 stop

9h 25m
IAD

Washington, D.C. Dulles Intl

ORD

Chicago O'Hare Intl

1 stop

10h 33m
$285

United Airlines

Pick Dates

Deal found 8/6/22

Aug 13 - Aug 19
ORD

Chicago O'Hare Intl

IAD

Washington, D.C. Dulles Intl

1 stop

7h 09m
IAD

Washington, D.C. Dulles Intl

ORD

Chicago O'Hare Intl

Nonstop

2h 05m
$300

Multiple Airlines

Pick Dates

Deal found 8/5/22

One-way flights to Dulles Intl from Chicago

The cheapest one-way flights from Chicago to Dulles Intl
Sep 3
ORD

Chicago O'Hare Intl

IAD

Washington, D.C. Dulles Intl

Nonstop

1h 54m
$90

United Airlines

Pick Dates

Deal found 8/5/22

Sep 3
ORD

Chicago O'Hare Intl

IAD

Washington, D.C. Dulles Intl

Nonstop

1h 55m
$91

United Airlines

Pick Dates

Deal found 8/8/22

Aug 27
MDW

Chicago Midway

IAD

Washington, D.C. Dulles Intl

1 stop

4h 51m
$98

Delta

Pick Dates

Deal found 8/5/22

Related info for your journey

Useful info, stats and facts about Chicago to Dulles Intl flights.

Which airlines flying from Chicago to Washington, D.C. Dulles Intl have flexible cancellations due to COVID-19?

United Airlines, Delta, and American Airlines are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

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 $180, but on average you can expect to pay $208.

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 $247.

Are there last-minute flights available from Chicago to Washington, D.C. Dulles Intl Airport for under $300?

There are currently 20+ open flights from Chicago to Washington, D.C. Dulles Intl Airport within the next 7 days for less than $300.

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

You can find nonstop flights on the following days: Wednesday.

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

Per day, 4 flights depart from Chicago to Washington, D.C. Dulles Intl Airport on average.
Morning (6am - Noon) - 100% of flight departures

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

For as low as $180, United Airlines can have you in Washington, D.C. Dulles Intl Airport from Chicago in 1h 55m. 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 $180. Additional round-trip tickets that might be worth considering are offered by Delta and American Airlines, with the lowest prices starting at $196 and $224, respectively. United Airlines is 32% 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?

$90 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 Delta and American Airlines, with prices starting from $98 and $98, respectively.

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

American Airlines, Delta and Juneyao 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 Scandinavian Airlines (81%), Avianca (77%) and ANA (77%).

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 $25. While the most popular route (Chicago O'Hare Intl - Washington, D.C. Dulles Intl) can be booked for $189 on average our data indicates $332 when flying from Chicago to Washington, D.C. Dulles Intl Airport.

Alternative routes for Chicago to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Chicago to Dulles Intl

The chart below displays the airlines Cheapflights users traveling from Chicago to Dulles Intl choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
Juneyao AirlinesCheapest$14Average$23FlexibilityNo cancel feeOn-time66%COVID-19 safety
Search Juneyao Airlines flights
American AirlinesCheapest$110Average$264FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights
United AirlinesCheapest$147Average$281FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights
DeltaCheapest$228Average$438FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Delta flights

Hourly flight availability from Chicago to Dulles Intl

See what time of day planes typically take off from Chicago to Dulles Intl
1%of flight departuresEarly morningMidnight to 6 am
47%of flight departuresMorning6 am to noon
39%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

See how many times per day planes take to the skies headed from Chicago to Dulles Intl
Sunday26daily flights
Monday31daily flights
Tuesday26daily flights
Wednesday32daily flights
Thursday25daily flights
Friday31daily flights
Saturday29daily flights