Cheap flights Chicago to Washington Dulles International Airport

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1 passenger, economy

Cheap flights Chicago to Washington Dulles International Airport

Compare prices, duration and stops

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Stops

Direct only 1 stop

Price

61 £ 192 £ 192 £

Airlines

Frontier Airlines United Airlines

F9 1596

15:26

Chicago, O'Hare International Airport (ORD)

Mon, 14 sep

5h 52min

1 stop

21:18

Washington, Washington Dulles International Airport (IAD)

Mon, 14 sep

133 £

F9 1341 🔥 Hot deal

11:00

Chicago, O'Hare International Airport (ORD)

Tue, 15 sep

8h 34min

1 stop

19:34

Washington, Washington Dulles International Airport (IAD)

Tue, 15 sep

110 £

F9 1341

11:00

Chicago, O'Hare International Airport (ORD)

Wed, 16 sep

8h 34min

1 stop

19:34

Washington, Washington Dulles International Airport (IAD)

Wed, 16 sep

111 £

F9 2205

12:11

Chicago, O'Hare International Airport (ORD)

Wed, 16 sep

11h 58min

1 stop

00:09

Washington, Washington Dulles International Airport (IAD)

Thu, 17 sep +1

84 £

F9 2292

11:25

Chicago, Chicago Midway International Airport (MDW)

Thu, 17 sep

9h 53min

1 stop

21:18

Washington, Washington Dulles International Airport (IAD)

Thu, 17 sep

67 £

F9 1596

15:26

Chicago, O'Hare International Airport (ORD)

Thu, 17 sep

5h 52min

1 stop

21:18

Washington, Washington Dulles International Airport (IAD)

Thu, 17 sep

103 £

F9 1596

15:26

Chicago, O'Hare International Airport (ORD)

Fri, 18 sep

5h 52min

1 stop

21:18

Washington, Washington Dulles International Airport (IAD)

Fri, 18 sep

109 £

F9 2145

00:32

Chicago, O'Hare International Airport (ORD)

Sun, 20 sep

9h 48min

1 stop

10:20

Washington, Washington Dulles International Airport (IAD)

Sun, 20 sep

109 £

F9 2145

01:55

Chicago, O'Hare International Airport (ORD)

Mon, 21 sep

32h 25min

1 stop

10:20

Washington, Washington Dulles International Airport (IAD)

Tue, 22 sep +1

122 £

UA 1908

11:25

Chicago, O'Hare International Airport (ORD)

Mon, 21 sep

1h 58min

Direct

13:23

Washington, Washington Dulles International Airport (IAD)

Mon, 21 sep

71 £

F9 1596

15:26

Chicago, O'Hare International Airport (ORD)

Mon, 21 sep

5h 52min

1 stop

21:18

Washington, Washington Dulles International Airport (IAD)

Mon, 21 sep

132 £

F9 2145

01:55

Chicago, O'Hare International Airport (ORD)

Tue, 22 sep

32h 25min

1 stop

10:20

Washington, Washington Dulles International Airport (IAD)

Wed, 23 sep +1

70 £

F9 1341

11:00

Chicago, O'Hare International Airport (ORD)

Tue, 22 sep

8h 34min

1 stop

19:34

Washington, Washington Dulles International Airport (IAD)

Tue, 22 sep

123 £

F9 1341 🔥 Hot deal

11:00

Chicago, O'Hare International Airport (ORD)

Wed, 23 sep

8h 34min

1 stop

19:34

Washington, Washington Dulles International Airport (IAD)

Wed, 23 sep

69 £

F9 1596

11:20

Chicago, O'Hare International Airport (ORD)

Wed, 23 sep

9h 58min

1 stop

21:18

Washington, Washington Dulles International Airport (IAD)

Wed, 23 sep

86 £

F9 2205

12:11

Chicago, O'Hare International Airport (ORD)

Thu, 24 sep

11h 58min

1 stop

00:09

Washington, Washington Dulles International Airport (IAD)

Fri, 25 sep +1

84 £

F9 1596 🔥 Hot deal

15:26

Chicago, O'Hare International Airport (ORD)

Thu, 24 sep

5h 52min

1 stop

21:18

Washington, Washington Dulles International Airport (IAD)

Thu, 24 sep

138 £

UA 304

00:47

Chicago, O'Hare International Airport (ORD)

Fri, 25 sep

2h 5min

Direct

02:52

Washington, Washington Dulles International Airport (IAD)

Fri, 25 sep

71 £

F9 1596

15:26

Chicago, O'Hare International Airport (ORD)

Fri, 25 sep

5h 52min

1 stop

21:18

Washington, Washington Dulles International Airport (IAD)

Fri, 25 sep

117 £

F9 2145

00:32

Chicago, O'Hare International Airport (ORD)

Sun, 27 sep

9h 48min

1 stop

10:20

Washington, Washington Dulles International Airport (IAD)

Sun, 27 sep

87 £

F9 1341 🔥 Hot deal

11:00

Chicago, O'Hare International Airport (ORD)

Tue, 29 sep

8h 34min

1 stop

19:34

Washington, Washington Dulles International Airport (IAD)

Tue, 29 sep

73 £

F9 1596

15:26

Chicago, O'Hare International Airport (ORD)

Fri, 2 oct

5h 52min

1 stop

21:18

Washington, Washington Dulles International Airport (IAD)

Fri, 2 oct

89 £

F9 1596

15:26

Chicago, O'Hare International Airport (ORD)

Sun, 4 oct

5h 52min

1 stop

21:18

Washington, Washington Dulles International Airport (IAD)

Sun, 4 oct

103 £

F9 2292

11:25

Chicago, Chicago Midway International Airport (MDW)

Mon, 5 oct

9h 53min

1 stop

21:18

Washington, Washington Dulles International Airport (IAD)

Mon, 5 oct

69 £

F9 2205

12:11

Chicago, O'Hare International Airport (ORD)

Mon, 5 oct

11h 58min

1 stop

00:09

Washington, Washington Dulles International Airport (IAD)

Tue, 6 oct +1

68 £

F9 1341

11:00

Chicago, O'Hare International Airport (ORD)

Wed, 7 oct

8h 34min

1 stop

19:34

Washington, Washington Dulles International Airport (IAD)

Wed, 7 oct

88 £

F9 1596

11:20

Chicago, O'Hare International Airport (ORD)

Wed, 7 oct

9h 58min

1 stop

21:18

Washington, Washington Dulles International Airport (IAD)

Wed, 7 oct

92 £

F9 2292

11:21

Chicago, Chicago Midway International Airport (MDW)

Thu, 8 oct

9h 52min

1 stop

21:13

Washington, Washington Dulles International Airport (IAD)

Thu, 8 oct

107 £

F9 3044

21:49

Chicago, O'Hare International Airport (ORD)

Fri, 9 oct

25h 20min

1 stop

23:09

Washington, Washington Dulles International Airport (IAD)

Sat, 10 oct +1

82 £

UA 1922

02:52

Chicago, O'Hare International Airport (ORD)

Sat, 10 oct

2h 6min

Direct

04:58

Washington, Washington Dulles International Airport (IAD)

Sat, 10 oct

192 £

F9 2292

11:21

Chicago, Chicago Midway International Airport (MDW)

Sat, 10 oct

9h 52min

1 stop

21:13

Washington, Washington Dulles International Airport (IAD)

Sat, 10 oct

89 £

F9 2205

13:04

Chicago, O'Hare International Airport (ORD)

Sat, 10 oct

11h 7min

1 stop

00:11

Washington, Washington Dulles International Airport (IAD)

Sun, 11 oct +1

173 £

F9 2205

12:45

Chicago, O'Hare International Airport (ORD)

Sun, 11 oct

11h 36min

1 stop

00:21

Washington, Washington Dulles International Airport (IAD)

Mon, 12 oct +1

92 £

UA 1128

17:55

Chicago, O'Hare International Airport (ORD)

Sun, 11 oct

2h 6min

Direct

20:01

Washington, Washington Dulles International Airport (IAD)

Sun, 11 oct

192 £

F9 2205

13:04

Chicago, O'Hare International Airport (ORD)

Mon, 12 oct

35h 7min

1 stop

00:11

Washington, Washington Dulles International Airport (IAD)

Wed, 14 oct +1

140 £

F9 3044

01:11

Chicago, O'Hare International Airport (ORD)

Tue, 13 oct

37h 6min

1 stop

14:17

Washington, Washington Dulles International Airport (IAD)

Wed, 14 oct +1

149 £

F9 2198

02:33

Chicago, O'Hare International Airport (ORD)

Tue, 13 oct

19h 3min

1 stop

21:36

Washington, Washington Dulles International Airport (IAD)

Tue, 13 oct

96 £

UA 1922

02:52

Chicago, O'Hare International Airport (ORD)

Tue, 13 oct

2h 6min

Direct

04:58

Washington, Washington Dulles International Airport (IAD)

Tue, 13 oct

91 £

F9 1596

11:00

Chicago, O'Hare International Airport (ORD)

Tue, 13 oct

10h 13min

1 stop

21:13

Washington, Washington Dulles International Airport (IAD)

Tue, 13 oct

92 £

F9 1596

14:20

Chicago, O'Hare International Airport (ORD)

Tue, 13 oct

7h 16min

1 stop

21:36

Washington, Washington Dulles International Airport (IAD)

Tue, 13 oct

67 £

UA 1486

15:54

Chicago, O'Hare International Airport (ORD)

Tue, 13 oct

2h 5min

Direct

17:59

Washington, Washington Dulles International Airport (IAD)

Tue, 13 oct

66 £

UA 1922

02:52

Chicago, O'Hare International Airport (ORD)

Fri, 16 oct

2h 6min

Direct

04:58

Washington, Washington Dulles International Airport (IAD)

Fri, 16 oct

72 £

F9 2205

13:04

Chicago, O'Hare International Airport (ORD)

Fri, 16 oct

11h 7min

1 stop

00:11

Washington, Washington Dulles International Airport (IAD)

Sat, 17 oct +1

84 £

F9 1596 Best price

15:26

Chicago, O'Hare International Airport (ORD)

Mon, 26 oct

5h 47min

1 stop

21:13

Washington, Washington Dulles International Airport (IAD)

Mon, 26 oct

61 £

F9 1596

12:15

Chicago, O'Hare International Airport (ORD)

Wed, 28 oct

8h 57min

1 stop

21:12

Washington, Washington Dulles International Airport (IAD)

Wed, 28 oct

86 £

UA 1486

15:32

Chicago, O'Hare International Airport (ORD)

Wed, 28 oct

2h 3min

Direct

17:35

Washington, Washington Dulles International Airport (IAD)

Wed, 28 oct

63 £

F9 2205

14:36

Chicago, O'Hare International Airport (ORD)

Wed, 25 nov

27h 35min

1 stop

18:11

Washington, Washington Dulles International Airport (IAD)

Thu, 26 nov +1

98 £

UA 1870

13:04

Chicago, O'Hare International Airport (ORD)

Wed, 23 dec

1h 58min

Direct

15:02

Washington, Washington Dulles International Airport (IAD)

Wed, 23 dec

66 £

UA 1486

16:25

Chicago, O'Hare International Airport (ORD)

Mon, 1 mar

1h 49min

Direct

18:14

Washington, Washington Dulles International Airport (IAD)

Mon, 1 mar

147 £

UA 1128

19:30

Chicago, O'Hare International Airport (ORD)

Thu, 4 mar

1h 49min

Direct

21:19

Washington, Washington Dulles International Airport (IAD)

Thu, 4 mar

147 £

Low price calendar

September 2026

Price chart (September 2026)

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Cheap flights Chicago to Washington Dulles International Airport

Frontier Airlines

Mon, Tue, Wed, Thu, Fri, Sat, Sun

Price from

£69

United Airlines

Mon, Tue, Wed, Thu, Fri, Sat, Sun

Price from

£71

Popular destinations from Chicago

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£16

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Popular destinations to Washington Dulles International Airport

All →

FLL

Fort Lauderdale — Washington

United States → United States

IAD

from

£17

ORL

Orlando — Washington

United States → United States

IAD

from

£21

ATL

Atlanta — Washington

United States → United States

IAD

from

£22

BOS

Boston — Washington

United States → United States

IAD

from

£33

DFW

Dallas — Washington

United States → United States

IAD

from

£46

TPA

Tampa — Washington

United States → United States

IAD

from

£48

NYC

New York — Washington

United States → United States

IAD

from

£49

LAX

Los Angeles — Washington

United States → United States

IAD

from

£50

Cheap flights Chicago to Washington Dulles International Airport

Interesting facts about the route

Flight time

8h 34min

Distance

945 km

Average price

£93

Most frequent flight

F9 1596

Passenger reviews

No reviews for this route yet

Internet abroad

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Frequently Asked Questions

The average ticket price Chicago Washington Dulles International Airport is £93. The cheapest ticket costs £67, operated by Frontier Airlines, flight 2292, departing Chicago on 17 September at 11:25, arriving Washington Dulles International Airport on 17 September at 21:18.

The average flight time is 8 hours 34 minutes. The fastest flight takes 5 hours 52 minutes, flight 1596 operated by Frontier Airlines, departing Chicago on 14 September at 15:26, arriving Washington Dulles International Airport on 14 September at 21:18.

Flights on the Chicago - Washington Dulles International Airport route are operated by the following airlines: Frontier Airlines, United Airlines.

The distance from Chicago to Washington Dulles International Airport is 945 km.