Cheap flights from Dulles Intl (IAD) to Illinois (IL)

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

All the information you need to plan the best IAD to ORD flight in 2021: compare Dulles Intl to Illinois flight prices with the expected peak season, weather and rainfall in Illinois.
When is the cheapest time to fly from Washington Dulles Intl Airport to Illinois (IAD - IL)?

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

What is the cheapest month to fly from Washington Dulles Intl Airport to Illinois?

The best pricing can be found in the month of August. Prices to Illinois from Washington Dulles Intl Airport average $225. You can even find prices in August for less than $225, as users have found deals to Illinois from as low as $77. The month of November appears to be one of the more expensive times to travel to Illinois from Washington Dulles Intl Airport. Flying in the targeted month can save you up to 19%.

Cheap flights from Dulles Intl to Illinois in November, December 2021

The best prices found for IAD to Illinois flights for November, December
14 Dec - 14 Dec
$120pp
IAD
Washington Dulles Intl
United Airlines
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
United Airlines
 
1 STOP
IAD
Washington Dulles Intl
12 Dec - 12 Dec
$141pp
IAD
Washington Dulles Intl
United Airlines
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
United Airlines
 
1 STOP
IAD
Washington Dulles Intl
9 Dec - 13 Dec
$154pp
IAD
Washington Dulles Intl
Multiple Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
United Airlines
Non-Stop
IAD
Washington Dulles Intl

Washington Dulles Intl to Illinois 2022 flight deals

Cheap flights to Illinois from Dulles Intl found for next year
14 Dec - 14 Dec
$120pp
IAD
Washington Dulles Intl
United Airlines
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
United Airlines
 
1 STOP
IAD
Washington Dulles Intl
12 Dec - 12 Dec
$141pp
IAD
Washington Dulles Intl
United Airlines
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
United Airlines
 
1 STOP
IAD
Washington Dulles Intl
9 Dec - 13 Dec
$154pp
IAD
Washington Dulles Intl
Multiple Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
United Airlines
Non-Stop
IAD
Washington Dulles Intl

Non-stop flights to Illinois from Dulles Intl

Save time with Dulles Intl to Illinois direct flight deals
13 Dec - 13 Dec
$157pp
IAD
Washington Dulles Intl
United Airlines
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
United Airlines
Non-Stop
IAD
Washington Dulles Intl
4 Feb - 6 Feb
$182pp
IAD
Washington Dulles Intl
United Airlines
Non-Stop
STL
Lambert-St Louis
STL
Lambert-St Louis
United Airlines
Non-Stop
IAD
Washington Dulles Intl
18 Dec - 21 Dec
$182pp
IAD
Washington Dulles Intl
United Airlines
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
United Airlines
Non-Stop
IAD
Washington Dulles Intl

Last minute flights from Dulles Intl to Illinois

Late deals on round-trip flights to Illinois from Dulles Intl, departing today and this week
9 Dec - 13 Dec
$154pp
IAD
Washington Dulles Intl
Multiple Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
United Airlines
Non-Stop
IAD
Washington Dulles Intl
9 Dec - 13 Dec
$161pp
IAD
Washington Dulles Intl
Multiple Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
American Airlines
 
1 STOP
IAD
Washington Dulles Intl
9 Dec - 14 Dec
$163pp
IAD
Washington Dulles Intl
Multiple Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Delta
 
1 STOP
IAD
Washington Dulles Intl

One-way flights to Illinois from Washington Dulles Intl

The cheapest one-way flights from Dulles Intl to Illinois
4:14 pm - 3:06 am
Frontier
1 Stop
11h 52m
IAD - ORD
Frontier
$99
Kiwi.com
3:08 pm - 6:58 pm
American Airlines
1 Stop
4h 50m
IAD - ORD
American Airlines
3:45 am - 1:43 pm
Multiple Airlines
3 Stops
34h 58m
IAD - ORD
Multiple Airlines
$117
Gotogate

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Dulles Intl</span> to <span class="emphasized">Illinois</span> flights.

Flight FAQs

From Dulles Intl to Illinois

Which airlines flying from Washington Dulles Intl to Illinois have flexible cancellations due to COVID-19?

Some of our airline partners flying from Washington Dulles Intl to Illinois have new flexible policies in place due to COVID-19. United Airlines, Delta, and American Airlines are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like United Airlines with this kind of flexibility.

Can I find flights from Washington Dulles Intl Airport to Illinois for under $200 on Cheapflights?

Yes, there are multiple flights from Washington Dulles Intl Airport to Illinois for under $200. The cheapest flight booked recently is on United Airlines for just $120, but on average you can expect to pay $162.

Are there nonstop flights from Washington Dulles Intl Airport to Illinois for under $200 on Cheapflights?

Cheapflights has at least 20 direct flights from Washington Dulles Intl Airport to Illinois under $200. A good price for a nonstop flight from Washington Dulles Intl Airport to Illinois is less than $216.

Are there last-minute flights available from Washington Dulles Intl Airport to Illinois for under $200?

There are currently 20+ open flights from Washington Dulles Intl Airport to Illinois within the next 7 days for less than $200.

What days are nonstop flights available from Washington Dulles Intl Airport to Illinois?

Days when nonstop flights are available for this flight are: Monday, Tuesday, Wednesday, Thursday, Friday, Saturday.

How many flights depart from Washington Dulles Intl Airport to Illinois on average per day?

Per day, 18 flights depart from Washington Dulles Intl Airport to Illinois on average.
Early Morning (Midnight to 6am) - 33% of flight departures
Morning (6am - Noon) - 44% of flight departures
Afternoon (Noon - 6pm) - 22% of flight departures

How long is the flight from Washington Dulles Intl Airport to Illinois?

For as low as $120, United Airlines can have you in Illinois from Washington Dulles Intl Airport in 2h 03m. The distance from Washington Dulles Intl Airport to Illinois is about 590 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

What are the cheapest airlines to fly from Washington Dulles Intl Airport to Illinois one-way?

To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $79. American Airlines flights start at $86 while deals on Delta start at $88 one-way.

What are the most reliable airlines from Washington Dulles Intl Airport to Illinois?

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Washington Dulles Intl Airport to Illinois on time: Republic Airways (100%), Ethiopian Air (97%), Egypt Air (96%).

What are the most popular routes from Washington Dulles Intl Airport to Illinois?

The most popular route from Washington Dulles Intl Airport to Illinois is Washington Dulles Intl - Chicago O'Hare Intl. You may also consider Washington Dulles Intl - Chicago Midway or Washington Dulles Intl - Lambert-St Louis.

What are the cheapest flights from Washington Dulles Intl Airport to Illinois?

Looking for the cheapest flight from Washington Dulles Intl Airport to Illinois? While on average our users pay $459, our data indicates the cheapest price to be $82. The most popular route (Washington Dulles Intl - Chicago O'Hare Intl), is priced around $157.

What are the most popular airlines that fly from Washington Dulles Intl Airport to Illinois?

Consider Major Airline, American Airlines or Delta when booking your flight. These represent the most popular airlines when flying from Washington Dulles Intl Airport to Illinois.

COVID Restrictions

View COVID Travel Restrictions for Illinois (IL)

Do I need a COVID test to fly to Illinois from Dulles Intl?

Information is based on travel restrictions for travel to Illinois within the United States

Most visitors from Washington Dulles Intl need to provide a negative COVID-19 test result and/or quarantine to enter Illinois.

COVID-19 testing requirements
Visitors from Washington Dulles Intl must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Illinois.

Quarantine requirements
Visitors from Washington Dulles Intl are not required to quarantine after entering Illinois.

Do I need a test to fly back to Dulles Intl from Illinois?

Returning to Washington Dulles Intl from Illinois

COVID-19 testing requirements
Visitors from Illinois must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Washington Dulles Intl.

Quarantine requirements
Visitors from Illinois are not required to quarantine after entering Washington Dulles Intl.

Hide COVID Travel Restrictions for Illinois (IL)

Destination points for flights from Dulles Intl to Illinois

Select to see more specific information for flights from Dulles Intl to all places in Illinois.

Destination information for Illinois

Things to know before you go - useful duration and weather info for your trip from Dulles Intl to Illinois.
Flight duration from Washington Dulles Intl to Illinois
1h 56m

Airports servicing Washington

Airports servicing

Bloomington (BMI)
Champaign (CMI)
Decatur (DEC)
Moline (MLI)
Marion (MWA)

Top 4 airlines flying from Washington Dulles Intl to Illinois

The chart below displays the airlines Cheapflights users traveling from Dulles Intl to Illinois choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Spirit Airlines
$85 $169 No cancel fee 65%
American Airlines
$86 $335 No cancel fee 71%
Delta
$87 $389 No cancel fee N/A
United Airlines
$237 $407 No cancel fee 69%
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