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 194% on flights from Illinois to Washington, D.C. Reagan-National 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 $324. For sooner than that we have options available in the next 3 days from $474.
Flights from Illinois to Washington, D.C. Reagan-National Airport lean towards being more expensive in March. Prices are generally better when you fly from Illinois to Washington, D.C. Reagan-National Airport in April, with the cheapest ticket starting at $68.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Washington, D.C. Reagan-National Airport as you normally would.
Fly from
Fly to
Budget
$169 - $392
Route
Depart
Return
Price
Chicago O'Hare IntlWashington, D.C. Reagan-National
ORD - DCA
ORDDCA
Chicago O'Hare Intl
Mon 7/1
Nonstop1h 59m
Washington, D.C. Reagan-National
Fri 7/5
Nonstop2h 10m
Lambert-St LouisWashington, D.C. Reagan-National
STL - DCA
STLDCA
Lambert-St Louis
Wed 6/26
Nonstop2h 01m
Washington, D.C. Reagan-National
Wed 7/3
Nonstop2h 28m
Chicago O'Hare IntlWashington, D.C. Reagan-National
ORD - DCA
ORDDCA
Chicago O'Hare Intl
Wed 8/28
Nonstop1h 49m
Washington, D.C. Reagan-National
Sun 9/1
Nonstop2h 18m
Chicago O'Hare IntlWashington, D.C. Reagan-National
ORD - DCA
ORDDCA
Chicago O'Hare Intl
Tue 8/20
1 stop5h 05m
Washington, D.C. Reagan-National
Tue 8/27
1 stop6h 17m
Chicago O'Hare IntlWashington, D.C. Reagan-National
ORD - DCA
ORDDCA
Chicago O'Hare Intl
Mon 7/1
1 stop5h 04m
Washington, D.C. Reagan-National
Fri 7/5
1 stop6h 42m
Lambert-St LouisWashington, D.C. Reagan-National
STL - DCA
STLDCA
Lambert-St Louis
Wed 7/3
1 stop6h 13m
Washington, D.C. Reagan-National
Fri 7/5
1 stop6h 16m
Lambert-St LouisWashington, D.C. Reagan-National
STL - DCA
STLDCA
Lambert-St Louis
Thu 6/13
1 stop25h 37m
Washington, D.C. Reagan-National
Mon 6/17
1 stop26h 48m
Chicago O'Hare IntlWashington, D.C. Reagan-National
ORD - DCA
ORDDCA
Chicago O'Hare Intl
Mon 7/29
Nonstop1h 50m
Washington, D.C. Reagan-National
Wed 7/31
Nonstop2h 10m
Chicago MidwayWashington, D.C. Reagan-National
MDW - DCA
MDWDCA
Chicago Midway
Mon 6/10
Nonstop1h 50m
Washington, D.C. Reagan-National
Thu 6/13
Nonstop2h 00m
No data available for this route at this time. Please check back soon.
Entertainment
Comfort
Food
Boarding
Overall
Crew
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Entertainment
Comfort
Food
Boarding
Overall
Crew
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Entertainment
Comfort
Food
Boarding
Overall
Crew
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Entertainment
Comfort
Food
Boarding
Overall
Crew
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Entertainment
Comfort
Food
Boarding
Overall
Crew
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Entertainment
Comfort
Food
Boarding
Overall
Crew
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
11%of flight departures | Early morningMidnight to 6 am |
---|---|
41%of flight departures | Morning6 am to noon |
31%of flight departures | AfternoonNoon to 6 pm |
17%of flight departures | Evening6 pm to midnight |
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