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Cheap flights Denver to Chicago O'Hare International Airport

1 passenger, economy

Cheap flights Denver to Chicago O'Hare International Airport

Compare prices, duration and stops

United Airlines
UA 2258
01:10
Denver (DEN)
Sun, 13 sep
2h 35min
Direct
03:45
Chicago, О'Хара (ORD)
Sun, 13 sep
297 $
Frontier Airlines
F9 3174
02:55
Denver (DEN)
Mon, 14 sep
2h 28min
Direct
05:23
Chicago, О'Хара (ORD)
Mon, 14 sep
178 $
Frontier Airlines
F9 1484
13:45
Denver (DEN)
Mon, 14 sep
2h 36min
Direct
16:21
Chicago, О'Хара (ORD)
Mon, 14 sep
178 $
Frontier Airlines
F9 3206
12:09
Denver (DEN)
Tue, 15 sep
7h 8min
1 stop
19:17
Chicago, О'Хара (ORD)
Tue, 15 sep
149 $
Frontier Airlines
F9 3206
12:09
Denver (DEN)
Wed, 16 sep
7h 8min
1 stop
19:17
Chicago, О'Хара (ORD)
Wed, 16 sep
150 $
United Airlines
UA 377
02:29
Denver (DEN)
Thu, 17 sep
2h 30min
Direct
04:59
Chicago, О'Хара (ORD)
Thu, 17 sep
297 $
Frontier Airlines
F9 4464
22:11
Denver (DEN)
Fri, 18 sep
7h 34min
1 stop
05:45
Chicago, О'Хара (ORD)
Sat, 19 sep +1
149 $
Frontier Airlines
F9 3174
02:55
Denver (DEN)
Sat, 19 sep
2h 28min
Direct
05:23
Chicago, О'Хара (ORD)
Sat, 19 sep
63 $
Frontier Airlines
F9 3206
12:09
Denver (DEN)
Sat, 19 sep
7h 8min
1 stop
19:17
Chicago, О'Хара (ORD)
Sat, 19 sep
179 $
Frontier Airlines
F9 4464
22:11
Denver (DEN)
Sat, 19 sep
5h 53min
1 stop
04:04
Chicago, О'Хара (ORD)
Sun, 20 sep +1
159 $
Frontier Airlines
F9 3174
02:55
Denver (DEN)
Sun, 20 sep
2h 28min
Direct
05:23
Chicago, О'Хара (ORD)
Sun, 20 sep
165 $
Frontier Airlines
F9 3174
02:55
Denver (DEN)
Tue, 22 sep
2h 28min
Direct
05:23
Chicago, О'Хара (ORD)
Tue, 22 sep
165 $
Frontier Airlines
F9 3174
02:55
Denver (DEN)
Tue, 29 sep
2h 28min
Direct
05:23
Chicago, О'Хара (ORD)
Tue, 29 sep
152 $
Frontier Airlines
F9 3174 🔥 Hot deal
02:55
Denver (DEN)
Wed, 30 sep
2h 28min
Direct
05:23
Chicago, О'Хара (ORD)
Wed, 30 sep
55 $
Frontier Airlines
F9 3174
02:55
Denver (DEN)
Thu, 1 oct
2h 28min
Direct
05:23
Chicago, О'Хара (ORD)
Thu, 1 oct
56 $
Frontier Airlines
F9 3174
02:55
Denver (DEN)
Fri, 2 oct
2h 28min
Direct
05:23
Chicago, О'Хара (ORD)
Fri, 2 oct
75 $
Frontier Airlines
F9 3174
02:55
Denver (DEN)
Sun, 4 oct
2h 28min
Direct
05:23
Chicago, О'Хара (ORD)
Sun, 4 oct
72 $
Frontier Airlines
F9 3174
02:55
Denver (DEN)
Mon, 5 oct
2h 28min
Direct
05:23
Chicago, О'Хара (ORD)
Mon, 5 oct
127 $
Frontier Airlines
F9 3174
02:55
Denver (DEN)
Tue, 6 oct
2h 28min
Direct
05:23
Chicago, О'Хара (ORD)
Tue, 6 oct
95 $
Frontier Airlines
F9 3174
02:55
Denver (DEN)
Wed, 7 oct
2h 28min
Direct
05:23
Chicago, О'Хара (ORD)
Wed, 7 oct
95 $
Frontier Airlines
F9 3206
12:09
Denver (DEN)
Wed, 7 oct
7h 8min
1 stop
19:17
Chicago, О'Хара (ORD)
Wed, 7 oct
121 $
Frontier Airlines
F9 3174
02:55
Denver (DEN)
Fri, 9 oct
2h 29min
Direct
05:24
Chicago, О'Хара (ORD)
Fri, 9 oct
127 $
Frontier Airlines
F9 3174 Best price
02:55
Denver (DEN)
Sun, 11 oct
2h 29min
Direct
05:24
Chicago, О'Хара (ORD)
Sun, 11 oct
49 $
Frontier Airlines
F9 3174
02:55
Denver (DEN)
Wed, 14 oct
2h 29min
Direct
05:24
Chicago, О'Хара (ORD)
Wed, 14 oct
74 $
Frontier Airlines
F9 3174
02:55
Denver (DEN)
Thu, 15 oct
2h 29min
Direct
05:24
Chicago, О'Хара (ORD)
Thu, 15 oct
74 $
Frontier Airlines
F9 3174
02:55
Denver (DEN)
Fri, 16 oct
2h 29min
Direct
05:24
Chicago, О'Хара (ORD)
Fri, 16 oct
61 $
Frontier Airlines
F9 3174 🔥 Hot deal
03:55
Denver (DEN)
Sun, 15 nov
2h 26min
Direct
06:21
Chicago, О'Хара (ORD)
Sun, 15 nov
70 $
Frontier Airlines
F9 3174
00:52
Denver (DEN)
Thu, 3 dec
2h 29min
Direct
03:21
Chicago, О'Хара (ORD)
Thu, 3 dec
62 $
Frontier Airlines
F9 1484
22:48
Denver (DEN)
Sat, 5 dec
2h 34min
Direct
01:22
Chicago, О'Хара (ORD)
Sun, 6 dec +1
63 $
American Airlines
AA 2021
23:35
Denver (DEN)
Thu, 6 May
2h 59min
Direct
02:34
Chicago, О'Хара (ORD)
Fri, 7 May +1
137 $
American Airlines
AA 1647
15:05
Denver (DEN)
Tue, 20 July
2h 42min
Direct
17:47
Chicago, О'Хара (ORD)
Tue, 20 July
159 $
American Airlines
AA 1647
15:08
Denver (DEN)
Tue, 3 aug
2h 48min
Direct
17:56
Chicago, О'Хара (ORD)
Tue, 3 aug
137 $
American Airlines
AA 420
21:11
Denver (DEN)
Tue, 3 aug
6h
1 stop
03:11
Chicago, О'Хара (ORD)
Wed, 4 aug +1
194 $

Low price calendar

September 2026
Price chart (September 2026)
min: 76 $ · max: 297 $
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297 $
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178 $
15
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149 $
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150 $
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297 $
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149 $
19
Good deal
139 $
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165 $
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165 $
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152 $
30
Good deal
76 $

Cheap flights Denver to Chicago O'Hare International Airport

Frontier Airlines
Frontier Airlines
Mon, Tue, Wed, Thu, Fri, Sat, Sun
Price from
$56
American Airlines
American Airlines
Tue, Thu
Price from
$137
United Airlines
United Airlines
Thu, Sun
Price from
$297

Popular destinations from Denver

All →
DEN
Denver — Las Vegas
United States → United States
LAS
from
$22
DEN
Denver — Dallas
United States → United States
DFW
from
$22
DEN
Denver — Los Angeles
United States → United States
LAX
from
$24
DEN
Denver — Salt Lake City
United States → United States
SLC
from
$25
DEN
Denver — Minneapolis
United States → United States
MSP
from
$26
DEN
Denver — Houston
United States → United States
HOU
from
$28
DEN
Denver — Chicago
United States → United States
CHI
from
$33
DEN
Denver — Phoenix
United States → United States
PHX
from
$34

Popular destinations to Chicago O'Hare International Airport

All →
HOU
Houston — Chicago
United States → United States
ORD
from
$21
FLL
Fort Lauderdale — Chicago
United States → United States
ORD
from
$26
ATL
Atlanta — Chicago
United States → United States
ORD
from
$27
NYC
New York — Chicago
United States → United States
ORD
from
$30
LAS
Las Vegas — Chicago
United States → United States
ORD
from
$40
PHL
Philadelphia — Chicago
United States → United States
ORD
from
$46
LAX
Los Angeles — Chicago
United States → United States
ORD
from
$56
DFW
Dallas — Chicago
United States → United States
ORD
from
$57

Cheap flights Denver to Chicago O'Hare International Airport

Interesting facts about the route

Flight time

2h 29min

Distance

1 426 km

Average price

$132

Most frequent flight

F9 3174

Passenger reviews

No reviews for this route yet

Internet abroad

eSIM · United States

All plans

change

3 GB

data

30

days

$9

Buy

change

2 GB

data

15

days

$13

Buy

change

5 GB

data

30

days

$14

Buy

change

3 GB

data

30

days

$16

Buy

change

5 GB

data

30

days

$23

Buy

Frequently Asked Questions

The average ticket price Denver Chicago O'Hare International Airport is $132. The cheapest ticket costs $149, operated by Frontier Airlines, flight 3206, departing Denver on 15 September at 12:09, arriving Chicago O'Hare International Airport on 15 September at 19:17.
The average flight time is 2 hours 36 minutes. The fastest flight takes 2 hours 28 minutes, flight 3174 operated by Frontier Airlines, departing Denver on 14 September at 02:55, arriving Chicago O'Hare International Airport on 14 September at 05:23.
Flights on the Denver - Chicago O'Hare International Airport route are operated by the following airlines: American Airlines, Frontier Airlines, United Airlines.
The distance from Denver to Chicago O'Hare International Airport is 1426 km.