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Cheap flights Chicago to Washington Dulles International Airport

1 passenger, economy

Cheap flights Chicago to Washington Dulles International Airport

Compare prices, duration and stops

Frontier Airlines
F9 1596
11:20
Chicago, O'Hare International Airport (ORD)
Sat, 12 sep
9h 58min
1 stop
21:18
Washington, Washington Dulles International Airport (IAD)
Sat, 12 sep
163 S$
Jetblue Airways
B6 906
12:00
Chicago, O'Hare International Airport (ORD)
Sat, 12 sep
12h 9min
2 stops
00:09
Washington, Washington Dulles International Airport (IAD)
Sun, 13 sep +1
345 S$
Frontier Airlines
F9 2205
12:11
Chicago, O'Hare International Airport (ORD)
Sat, 12 sep
11h 58min
1 stop
00:09
Washington, Washington Dulles International Airport (IAD)
Sun, 13 sep +1
349 S$
Frontier 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
229 S$
Frontier Airlines
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
189 S$
Frontier Airlines
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
190 S$
Frontier Airlines
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
145 S$
Frontier Airlines
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
115 S$
Frontier Airlines
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
176 S$
Frontier Airlines
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
187 S$
Frontier Airlines
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
187 S$
Frontier Airlines
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
209 S$
United Airlines
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
122 S$
Frontier Airlines
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
227 S$
Frontier Airlines
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
121 S$
Frontier Airlines
F9 1341 Best price
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
104 S$
Frontier Airlines
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
118 S$
Frontier Airlines
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
148 S$
Frontier Airlines
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
145 S$
Frontier Airlines
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
172 S$
United Airlines
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
122 S$
Frontier Airlines
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
150 S$
Frontier Airlines
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
125 S$
Frontier Airlines
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
152 S$
Frontier Airlines
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
178 S$
Frontier Airlines
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
118 S$
Frontier Airlines
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
116 S$
Frontier Airlines
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
150 S$
Frontier Airlines
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
158 S$
Frontier Airlines
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
183 S$
Frontier Airlines
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
141 S$
United Airlines
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
330 S$
Frontier Airlines
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
152 S$
Frontier Airlines
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
296 S$
Frontier Airlines
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
157 S$
United Airlines
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
330 S$
Frontier Airlines
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
241 S$
Frontier Airlines
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
256 S$
Frontier Airlines
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
164 S$
United Airlines
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
156 S$
Frontier Airlines
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
158 S$
Frontier Airlines
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
114 S$
United Airlines
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
114 S$
United Airlines
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
123 S$
Frontier Airlines
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
144 S$
Frontier Airlines
F9 1596
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
105 S$
Frontier Airlines
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
148 S$
United Airlines
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
108 S$
Frontier Airlines
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
168 S$
United Airlines
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
114 S$

Low price calendar

September 2026
Price chart (September 2026)
min: 104 S$ · max: 345 S$
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345 S$
13
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14
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229 S$
15
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189 S$
16
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190 S$
17
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176 S$
18
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187 S$
19
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20
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187 S$
21
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209 S$
22
Good deal
104 S$
23
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148 S$
24
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172 S$
25
Good deal
122 S$
26
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150 S$
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Good deal
125 S$
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Cheap flights Chicago to Washington Dulles International Airport

Frontier Airlines
Frontier Airlines
Mon, Tue, Wed, Thu, Fri, Sat, Sun
Price from
S$118
United Airlines
United Airlines
Mon, Tue, Wed, Thu, Fri, Sat, Sun
Price from
S$122
Jetblue Airways
Jetblue Airways
Sat
Price from
S$345

Popular destinations from Chicago

All →
CHI
Chicago — Orlando
United States → United States
ORL
from
S$27
CHI
Chicago — Orlando
United States → United States
MCO
from
S$27
CHI
Chicago — Atlanta
United States → United States
ATL
from
S$28
CHI
Chicago — Houston
United States → United States
IAH
from
S$28
CHI
Chicago — Houston
United States → United States
HOU
from
S$28
CHI
Chicago — New York
United States → United States
NYC
from
S$30
CHI
Chicago — Denver
United States → United States
DEN
from
S$30
CHI
Chicago — Fort Lauderdale
United States → United States
FLL
from
S$31
CHI
Chicago — Miami
United States → United States
MIA
from
S$31

Popular destinations to Washington Dulles International Airport

All →
FLL
Fort Lauderdale — Washington
United States → United States
IAD
from
S$29
ORL
Orlando — Washington
United States → United States
IAD
from
S$37
ATL
Atlanta — Washington
United States → United States
IAD
from
S$37
BOS
Boston — Washington
United States → United States
IAD
from
S$56
DFW
Dallas — Washington
United States → United States
IAD
from
S$79
TPA
Tampa — Washington
United States → United States
IAD
from
S$82
NYC
New York — Washington
United States → United States
IAD
from
S$85
LAX
Los Angeles — Washington
United States → United States
IAD
from
S$87

Cheap flights Chicago to Washington Dulles International Airport

Interesting facts about the route

Flight time

8h 34min

Distance

945 km

Average price

S$158

Most frequent flight

F9 1596

Passenger reviews

No reviews for this route yet

Internet abroad

eSIM · United States

All plans

change

3 GB

data

30

days

S$11

Buy

change

2 GB

data

15

days

S$16

Buy

change

5 GB

data

30

days

S$18

Buy

change

3 GB

data

30

days

S$20

Buy

change

5 GB

data

30

days

S$29

Buy

Frequently Asked Questions

The average ticket price Chicago Washington Dulles International Airport is S$158. The cheapest ticket costs S$163, operated by Frontier Airlines, flight 1596, departing Chicago on 12 September at 11:20, arriving Washington Dulles International Airport on 12 September at 21:18.
The average flight time is 11 hours 58 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: Jetblue Airways, Frontier Airlines, United Airlines.
The distance from Chicago to Washington Dulles International Airport is 945 km.