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Cheap flights Chicago to Washington

1 passenger, economy

Cheap flights Chicago to Washington

Compare prices, duration and stops

Frontier Airlines
F9 4064
21:30
Chicago, O'Hare International Airport (ORD)
Sat, 12 sep
2h 16min
Direct
23:46
Baltimore, Wash Thurgood Marshall (BWI)
Sat, 12 sep
103 S$
Frontier Airlines
F9 4064
11:20
Chicago, O'Hare International Airport (ORD)
Mon, 14 sep
2h 5min
Direct
13:25
Baltimore, Wash Thurgood Marshall (BWI)
Mon, 14 sep
187 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
178 S$
Frontier Airlines
F9 1341
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 1483 🔥 Hot deal
11:30
Chicago, O'Hare International Airport (ORD)
Tue, 15 sep
9h 29min
1 stop
20:59
Washington, Ronald Reagan National Airport (DCA)
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$
Southwest Airlines
WN 966
18:55
Chicago, Chicago Midway International Airport (MDW)
Wed, 16 sep
8h 20min
1 stop
03:15
Washington, Ronald Reagan National Airport (DCA)
Thu, 17 sep +1
129 S$
Frontier Airlines
F9 4064 Best price
11:20
Chicago, O'Hare International Airport (ORD)
Thu, 17 sep
2h 5min
Direct
13:25
Baltimore, Wash Thurgood Marshall (BWI)
Thu, 17 sep
55 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 4064
17:56
Chicago, O'Hare International Airport (ORD)
Sat, 19 sep
2h 12min
Direct
20:08
Baltimore, Wash Thurgood Marshall (BWI)
Sat, 19 sep
165 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
156 S$
Frontier Airlines
F9 4064
11:20
Chicago, O'Hare International Airport (ORD)
Sun, 20 sep
2h 5min
Direct
13:25
Baltimore, Wash Thurgood Marshall (BWI)
Sun, 20 sep
196 S$
Southwest Airlines
WN 3100
10:45
Chicago, Chicago Midway International Airport (MDW)
Mon, 21 sep
1h 45min
Direct
12:30
Washington, Ronald Reagan National Airport (DCA)
Mon, 21 sep
113 S$
Frontier Airlines
F9 4064
11:20
Chicago, O'Hare International Airport (ORD)
Mon, 21 sep
2h 5min
Direct
13:25
Baltimore, Wash Thurgood Marshall (BWI)
Mon, 21 sep
76 S$
American Airlines
AA 495
11:55
Chicago, O'Hare International Airport (ORD)
Mon, 21 sep
2h 4min
Direct
13:59
Washington, Ronald Reagan National Airport (DCA)
Mon, 21 sep
214 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
199 S$
Southwest Airlines
WN 1223
02:00
Chicago, Chicago Midway International Airport (MDW)
Tue, 22 sep
1h 55min
Direct
03:55
Washington, Ronald Reagan National Airport (DCA)
Tue, 22 sep
119 S$
Frontier Airlines
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
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 4064
11:20
Chicago, O'Hare International Airport (ORD)
Thu, 24 sep
2h 5min
Direct
13:25
Baltimore, Wash Thurgood Marshall (BWI)
Thu, 24 sep
143 S$
Frontier Airlines
F9 1483
11:30
Chicago, O'Hare International Airport (ORD)
Thu, 24 sep
9h 29min
1 stop
20:59
Washington, Ronald Reagan National Airport (DCA)
Thu, 24 sep
172 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
174 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 1483
11:30
Chicago, O'Hare International Airport (ORD)
Tue, 29 sep
9h 29min
1 stop
20:59
Washington, Ronald Reagan National Airport (DCA)
Tue, 29 sep
103 S$
Frontier Airlines
F9 4064
11:20
Chicago, O'Hare International Airport (ORD)
Fri, 2 oct
2h 5min
Direct
13:25
Baltimore, Wash Thurgood Marshall (BWI)
Fri, 2 oct
138 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 4064
11:20
Chicago, O'Hare International Airport (ORD)
Mon, 5 oct
2h 5min
Direct
13:25
Baltimore, Wash Thurgood Marshall (BWI)
Mon, 5 oct
91 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 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
176 S$
Southwest Airlines
WN 2406
01:45
Chicago, Chicago Midway International Airport (MDW)
Fri, 9 oct
1h 45min
Direct
03:30
Washington, Ronald Reagan National Airport (DCA)
Fri, 9 oct
103 S$
Frontier Airlines
F9 4064
12:00
Chicago, O'Hare International Airport (ORD)
Fri, 9 oct
2h 14min
Direct
14:14
Baltimore, Wash Thurgood Marshall (BWI)
Fri, 9 oct
128 S$
Southwest Airlines
WN 2851
01:55
Chicago, Chicago Midway International Airport (MDW)
Sat, 10 oct
1h 55min
Direct
03:50
Baltimore, Wash Thurgood Marshall (BWI)
Sat, 10 oct
251 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
231 S$
Frontier Airlines
F9 1596
14:20
Chicago, O'Hare International Airport (ORD)
Sun, 11 oct
8h 14min
1 stop
22:34
Baltimore, Wash Thurgood Marshall (BWI)
Sun, 11 oct
138 S$
American Airlines
AA 315
14:30
Chicago, O'Hare International Airport (ORD)
Sun, 11 oct
2h 6min
Direct
16:36
Washington, Ronald Reagan National Airport (DCA)
Sun, 11 oct
319 S$
Southwest Airlines
WN 2869
11:00
Chicago, Chicago Midway International Airport (MDW)
Mon, 12 oct
1h 50min
Direct
12:50
Washington, Ronald Reagan National Airport (DCA)
Mon, 12 oct
119 S$
Frontier Airlines
F9 4064
11:00
Chicago, O'Hare International Airport (ORD)
Mon, 12 oct
2h 3min
Direct
13:03
Baltimore, Wash Thurgood Marshall (BWI)
Mon, 12 oct
162 S$
American Airlines
AA 495
11:54
Chicago, O'Hare International Airport (ORD)
Mon, 12 oct
2h 7min
Direct
14:01
Washington, Ronald Reagan National Airport (DCA)
Mon, 12 oct
112 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 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 4064
12:00
Chicago, O'Hare International Airport (ORD)
Tue, 13 oct
2h 14min
Direct
14:14
Baltimore, Wash Thurgood Marshall (BWI)
Tue, 13 oct
107 S$
United Airlines
UA 2668
16:15
Chicago, O'Hare International Airport (ORD)
Tue, 13 oct
2h 8min
Direct
18:23
Washington, Ronald Reagan National Airport (DCA)
Tue, 13 oct
114 S$
Frontier Airlines
F9 4064
11:00
Chicago, O'Hare International Airport (ORD)
Thu, 15 oct
2h 3min
Direct
13:03
Baltimore, Wash Thurgood Marshall (BWI)
Thu, 15 oct
57 S$
Frontier Airlines
F9 4064
11:00
Chicago, O'Hare International Airport (ORD)
Fri, 16 oct
2h 3min
Direct
13:03
Baltimore, Wash Thurgood Marshall (BWI)
Fri, 16 oct
93 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$

Low price calendar

September 2026
Price chart (September 2026)
min: 104 S$ · max: 326 S$
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Sun
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326 S$
13
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14
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178 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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165 S$
20
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156 S$
21
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199 S$
22
Good deal
104 S$
23
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148 S$
24
Good deal
143 S$
25
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150 S$
28
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Good deal
125 S$
30
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Cheap flights Chicago to Washington

American Airlines
American Airlines
Mon, Sun
Price from
S$112
Southwest Airlines
Southwest Airlines
Mon, Tue, Wed, Thu, Fri, Sat
Price from
S$119
Frontier Airlines
Frontier Airlines
Mon, Tue, Wed, Thu, Fri, Sat, Sun
Price from
S$125
United Airlines
United Airlines
Tue, Wed, Thu, Sat
Price from
S$204

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

All →
ATL
Atlanta — Washington
United States → United States
WAS
from
S$27
FLL
Fort Lauderdale — Washington
United States → United States
WAS
from
S$27
ORL
Orlando — Washington
United States → United States
WAS
from
S$35
BOS
Boston — Washington
United States → United States
WAS
from
S$49
CLT
Charlotte — Washington
United States → United States
WAS
from
S$59
NYC
New York — Washington
United States → United States
WAS
from
S$76
HOU
Houston — Washington
United States → United States
WAS
from
S$77
DFW
Dallas — Washington
United States → United States
WAS
from
S$79

Cheap flights Chicago to Washington

Interesting facts about the route

Flight time

2h 14min

Distance

945 km

Average price

S$152

Most frequent flight

F9 4064

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 is S$152. The cheapest ticket costs S$103, operated by Frontier Airlines, flight 4064, departing Chicago on 12 September at 21:30, arriving Washington on 12 September at 23:46.
The average flight time is 8 hours 20 minutes. The fastest flight takes 2 hours 5 minutes, flight 4064 operated by Frontier Airlines, departing Chicago on 14 September at 11:20, arriving Washington on 14 September at 13:25.
Flights on the Chicago - Washington route are operated by the following airlines: American Airlines, Frontier Airlines, United Airlines, Southwest Airlines.
The distance from Chicago to Washington is 945 km.