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Flights Denver – Chicago, Frontier Airlines

1 passenger, economy

Flight schedule Denver – Chicago, Frontier Airlines

Compare prices, duration and stops

Frontier Airlines
F9 3174
02:55
Denver (DEN)
Mon, 21 sep
2h 28min
Direct
05:23
Chicago, O'Hare International Airport (ORD)
Mon, 21 sep
£132
Frontier Airlines
F9 3174
02:55
Denver (DEN)
Tue, 22 sep
2h 28min
Direct
05:23
Chicago, O'Hare International Airport (ORD)
Tue, 22 sep
£123
Frontier Airlines
F9 3174
02:55
Denver (DEN)
Wed, 23 sep
2h 28min
Direct
05:23
Chicago, O'Hare International Airport (ORD)
Wed, 23 sep
£122
Frontier Airlines
F9 3174
02:55
Denver (DEN)
Fri, 25 sep
2h 28min
Direct
05:23
Chicago, O'Hare International Airport (ORD)
Fri, 25 sep
£113
Frontier Airlines
F9 3174
02:55
Denver (DEN)
Sat, 26 sep
2h 28min
Direct
05:23
Chicago, O'Hare International Airport (ORD)
Sat, 26 sep
£105
Frontier Airlines
F9 3174
02:55
Denver (DEN)
Tue, 29 sep
2h 28min
Direct
05:23
Chicago, O'Hare International Airport (ORD)
Tue, 29 sep
£114
Frontier Airlines
F9 3174
02:55
Denver (DEN)
Wed, 30 sep
2h 28min
Direct
05:23
Chicago, O'Hare International Airport (ORD)
Wed, 30 sep
£41
Frontier Airlines
F9 3174
02:55
Denver (DEN)
Thu, 1 oct
2h 28min
Direct
05:23
Chicago, O'Hare International Airport (ORD)
Thu, 1 oct
£42
Frontier Airlines
F9 3174
02:55
Denver (DEN)
Fri, 2 oct
2h 28min
Direct
05:23
Chicago, O'Hare International Airport (ORD)
Fri, 2 oct
£57
Frontier Airlines
F9 3174
02:55
Denver (DEN)
Sun, 4 oct
2h 28min
Direct
05:23
Chicago, O'Hare International Airport (ORD)
Sun, 4 oct
£54
Frontier Airlines
F9 3174
02:55
Denver (DEN)
Mon, 5 oct
2h 28min
Direct
05:23
Chicago, O'Hare International Airport (ORD)
Mon, 5 oct
£95
Frontier Airlines
F9 3174
02:55
Denver (DEN)
Tue, 6 oct
2h 28min
Direct
05:23
Chicago, O'Hare International Airport (ORD)
Tue, 6 oct
£72
Frontier Airlines
F9 3174
02:55
Denver (DEN)
Wed, 7 oct
2h 28min
Direct
05:23
Chicago, O'Hare International Airport (ORD)
Wed, 7 oct
£72
Frontier Airlines
F9 3206
12:09
Denver (DEN)
Wed, 7 oct
7h 8min
1 stop
19:17
Chicago, O'Hare International Airport (ORD)
Wed, 7 oct
£91
Frontier Airlines
F9 3174
02:55
Denver (DEN)
Fri, 9 oct
2h 29min
Direct
05:24
Chicago, O'Hare International Airport (ORD)
Fri, 9 oct
£95
Frontier Airlines
F9 3174 Best price
02:55
Denver (DEN)
Sun, 11 oct
2h 29min
Direct
05:24
Chicago, O'Hare International Airport (ORD)
Sun, 11 oct
£37
Frontier Airlines
F9 3174
02:55
Denver (DEN)
Tue, 13 oct
2h 29min
Direct
05:24
Chicago, O'Hare International Airport (ORD)
Tue, 13 oct
£44
Frontier Airlines
F9 3174
02:55
Denver (DEN)
Wed, 14 oct
2h 29min
Direct
05:24
Chicago, O'Hare International Airport (ORD)
Wed, 14 oct
£61
Frontier Airlines
F9 3174
02:55
Denver (DEN)
Thu, 15 oct
2h 29min
Direct
05:24
Chicago, O'Hare International Airport (ORD)
Thu, 15 oct
£61
Frontier Airlines
F9 3174
02:55
Denver (DEN)
Fri, 16 oct
2h 29min
Direct
05:24
Chicago, O'Hare International Airport (ORD)
Fri, 16 oct
£46
Frontier Airlines
F9 3174
03:55
Denver (DEN)
Sun, 15 nov
2h 26min
Direct
06:21
Chicago, O'Hare International Airport (ORD)
Sun, 15 nov
£52
Frontier Airlines
F9 3174
00:52
Denver (DEN)
Thu, 3 dec
2h 29min
Direct
03:21
Chicago, O'Hare International Airport (ORD)
Thu, 3 dec
£47
Frontier Airlines
F9 1484
22:48
Denver (DEN)
Sat, 5 dec
2h 34min
Direct
01:22
Chicago, O'Hare International Airport (ORD)
Sun, 6 dec +1
£47

Low price calendar

September 2026
Price chart (September 2026)
min: £57 · max: £135
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£135
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£113
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£105
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£114
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Good deal
£57

Popular Frontier Airlines flights Denver – Chicago

All →
Flight Departure days Price from
F93174 MonTueWedThuFriSatSun £37
F91484 Sat £47
F93206 Wed £91

Popular destinations from Denver

All →
DEN
Denver — Las Vegas
United States → United States
LAS
from
£16
DEN
Denver — Dallas
United States → United States
DFW
from
£17
DEN
Denver — Los Angeles
United States → United States
LAX
from
£18
DEN
Denver — Salt Lake City
United States → United States
SLC
from
£19
DEN
Denver — Minneapolis
United States → United States
MSP
from
£19
DEN
Denver — Houston
United States → United States
HOU
from
£21
DEN
Denver — Chicago
United States → United States
ORD
from
£25
DEN
Denver — Phoenix
United States → United States
PHX
from
£25

Popular destinations to Chicago

All →
HOU
Houston — Chicago
United States → United States
CHI
from
£16
NYC
New York — Chicago
United States → United States
CHI
from
£17
PHX
Phoenix — Chicago
United States → United States
CHI
from
£18
FLL
Fort Lauderdale — Chicago
United States → United States
CHI
from
£19
ATL
Atlanta — Chicago
United States → United States
CHI
from
£20
BNA
Nashville — Chicago
United States → United States
CHI
from
£21
LAX
Los Angeles — Chicago
United States → United States
CHI
from
£23
ORL
Orlando — Chicago
United States → United States
CHI
from
£23
MIA
Miami — Chicago
United States → United States
CHI
from
£24

Flight statistics Denver – Chicago, Frontier Airlines

We gathered interesting facts about the flight for you

Cheapest flight

F9 3174

£37

Fastest flight

F9 3174

2h 26min

Average time

2h 40min

Distance

1 448 km

Passenger reviews

No reviews for this route yet

Other airlines Denver – Chicago

United Airlines
United Airlines
Tue
Price from
£72
Southwest Airlines
Southwest Airlines
Mon, Tue, Thu, Sun
Price from
£77
American Airlines
American Airlines
Tue, Thu
Price from
£103

Internet abroad

eSIM · United States

All plans

change

3 GB

data

30

days

£7

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2 GB

data

15

days

£9

Buy

change

5 GB

data

30

days

£10

Buy

change

3 GB

data

30

days

£12

Buy

change

5 GB

data

30

days

£17

Buy

Frequently Asked Questions

The cheapest Frontier Airlines ticket Denver – Chicago costs £37, flight F93174, departing at 02:55.
The fastest Frontier Airlines flight Denver – Chicago takes 2h 26min, flight F93174, departing at 03:55.
The earliest Frontier Airlines flight Denver – Chicago(F93174)departs at 02:55.