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

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

How far in advance should I book a flight from Illinois to Washington Dulles Intl?

Users have found that booking a flight from Illinois to Washington Dulles Intl at least 28 days early can save you up to 11% on average compared to booking a flight this week. If booking 28 days before your flight isn’t an option for you, users have found flights from Illinois to Washington Dulles Intl for as little as $252 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $276 for flights departing within the next 3 days.

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

Our data shows that February tends to be the cheapest month to fly to Washington Dulles Intl from Illinois. Users have commonly found prices around $243 for the month, but tickets can be as low as $119. Due to multiple factors, prepare for potentially higher prices in December.

Cheap flights from Illinois to Washington Dulles Intl in July, August 2020

The best prices found for Illinois to IAD flights for July, August
4 Aug - 15 Aug
$160pp
ORD
Chicago O'Hare Intl
Multiple Airlines
Non-Stop
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
American Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
15 Aug - 18 Aug
$161pp
ORD
Chicago O'Hare Intl
Multiple Airlines
 
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
United Airlines
Non-Stop
ORD
Chicago O'Hare Intl
1 Aug - 8 Aug
$166pp
ORD
Chicago O'Hare Intl
Delta
 
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Delta
 
1 STOP
ORD
Chicago O'Hare Intl

Illinois to Washington Dulles Intl 2020 flight deals

Cheap flights to Washington Dulles Intl from Illinois found for this year
4 Aug - 15 Aug
$160pp
ORD
Chicago O'Hare Intl
Multiple Airlines
Non-Stop
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
American Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
15 Aug - 18 Aug
$161pp
ORD
Chicago O'Hare Intl
Multiple Airlines
 
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
United Airlines
Non-Stop
ORD
Chicago O'Hare Intl
1 Aug - 8 Aug
$166pp
ORD
Chicago O'Hare Intl
Delta
 
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Delta
 
1 STOP
ORD
Chicago O'Hare Intl

Non-stop flights to Washington Dulles Intl from Illinois

Save time with Illinois to Washington Dulles Intl direct flight deals
2 Aug - 6 Aug
$167pp
ORD
Chicago O'Hare Intl
Spirit Airlines
Non-Stop
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Spirit Airlines
Non-Stop
ORD
Chicago O'Hare Intl
24 Jul - 26 Jul
$297pp
ORD
Chicago O'Hare Intl
Allegiant Air
Non-Stop
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Allegiant Air
Non-Stop
ORD
Chicago O'Hare Intl

Last minute flights from Illinois to Washington Dulles Intl

Late deals on round-trip flights to Washington Dulles Intl from Illinois, departing today and this week
28 Jul - 26 Aug
$230pp
ORD
Chicago O'Hare Intl
Multiple Airlines
 
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
United Airlines
Non-Stop
ORD
Chicago O'Hare Intl
28 Jul - 26 Aug
$236pp
ORD
Chicago O'Hare Intl
Delta
 
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Delta
 
1 STOP
ORD
Chicago O'Hare Intl
26 Jul - 2 Aug
$240pp
ORD
Chicago O'Hare Intl
Multiple Airlines
Non-Stop
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
American Airlines
 
1 STOP
ORD
Chicago O'Hare Intl

One-way flights to Washington Dulles Intl from Illinois

The cheapest one-way flights from Illinois to Washington Dulles Intl
5:13 pm - 7:57 pm
Cape Air
Nonstop
1h 44m
ORD - IAD
Cape Air
$79
Ovago
10:00 am - 12:48 pm
Austrian Airlines
Nonstop
1h 48m
ORD - IAD
Austrian Airlines
$94
Flighttix
9:35 am - 3:55 pm
Delta
1 Stop
5h 20m
ORD - IAD
Delta
$267
Delta

Related info for your journey

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

Flight FAQs

From Illinois to Washington Dulles Intl

Are flight prices decreasing from Illinois to Washington Dulles Intl due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Illinois and Washington Dulles Intl for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

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

Yes, there are multiple flights from Illinois to Washington Dulles Intl for under $200. The cheapest flight booked recently is on Multiple Airlines for just $160, but on average you can expect to pay $190.

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

Cheapflights has at least 2 direct flights from Illinois to Washington Dulles Intl under $200. A good price for a nonstop flight from Illinois to Washington Dulles Intl is less than $232.

Are there last-minute flights available from Illinois to Washington Dulles Intl for under $300?

There are currently 20+ open flights from Illinois to Washington Dulles Intl within the next 7 days for less than $300.

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

Nonstop flights are available for this route on the following days: Monday.

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

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

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

The most popular flight routes from Illinois to Washington Dulles Intl are Chicago O'Hare Intl - Washington Dulles Intl, Chicago Midway - Washington Dulles Intl and Greater Peoria - Washington Dulles Intl.

What are the cheapest Flights from Illinois to Washington Dulles Intl?

Looking at all options, your cheapest flight can be booked for $126. While the most popular route (Chicago O'Hare Intl - Washington Dulles Intl) can be booked for $157 on average our data indicates $301 when flying from Illinois to Washington Dulles Intl

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

No one likes to see their flight delayed. When booking a flight from Illinois to Washington Dulles Intl consider choosing Copa Airlines (99%), South African (95%) or Air Canada (95%) as they are the most reliable in getting you off to your destination on time.

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

Departing from Illinois to Washington Dulles Intl will take you 1h 50m. Generally, flights for this route are nonstop.

What are the cheapest airlines to flying from Illinois to Washington Dulles Intl round-trip?

Currently priced at $166, Delta will fly you from Illinois to Washington Dulles Intl and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Sun Country Air and Spirit Airlines - these airlines can fly you to your destination from $167 and $171, respectively.

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

For one-way options, check prices for Cape Air. According to our data, you can fly for as low as $79. Users have also found prices from $83 and $94 on Cape Air and Delta, respectively.

Arrival points for flights from Illinois to Washington Dulles Intl

Destination information for Washington Dulles Intl

Things to know before you go. Useful info for your trip from Illinois to Washington Dulles Intl
Flight duration
2h 02m
Average temperature for August in Washington Dulles Intl
87.8 °F
Avg rainfall for August in Washington Dulles Intl
3.4 ″

Airports servicing

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

Airports servicing Washington