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Cheap flights San Francisco to Denver

1 passenger, economy

Cheap flights San Francisco to Denver

Compare prices, duration and stops

Frontier Airlines
F9 2678
01:02
San Francisco (SFO)
Sat, 19 sep
20h 5min
1 stop
21:07
Denver (DEN)
Sat, 19 sep
64 €
Frontier Airlines
F9 1230
13:04
San Francisco (SFO)
Sat, 19 sep
2h 42min
Direct
15:46
Denver (DEN)
Sat, 19 sep
46 €
Frontier Airlines
F9 2930
06:58
San Francisco (SFO)
Sun, 20 sep
7h 17min
1 stop
14:15
Denver (DEN)
Sun, 20 sep
115 €
Frontier Airlines
F9 2638
20:10
San Francisco (SFO)
Sun, 20 sep
9h 38min
1 stop
05:48
Denver (DEN)
Mon, 21 sep +1
119 €
Frontier Airlines
F9 3382
23:31
San Francisco (SFO)
Sun, 20 sep
16h 28min
1 stop
15:59
Denver (DEN)
Mon, 21 sep +1
100 €
Frontier Airlines
F9 3440
23:34
San Francisco (SFO)
Mon, 21 sep
2h 46min
Direct
02:20
Denver (DEN)
Tue, 22 sep +1
56 €
Frontier Airlines
F9 2930
06:58
San Francisco (SFO)
Tue, 22 sep
7h 17min
1 stop
14:15
Denver (DEN)
Tue, 22 sep
116 €
Frontier Airlines
F9 1230
13:04
San Francisco (SFO)
Tue, 22 sep
2h 42min
Direct
15:46
Denver (DEN)
Tue, 22 sep
52 €
Frontier Airlines
F9 4158
18:17
San Francisco (SFO)
Tue, 22 sep
11h 27min
1 stop
05:44
Denver (DEN)
Wed, 23 sep +1
65 €
Frontier Airlines
F9 3308
16:00
San Francisco (SFO)
Wed, 23 sep
29h 5min
1 stop
21:05
Denver (DEN)
Thu, 24 sep +1
54 €
Frontier Airlines
F9 1230
13:04
San Francisco (SFO)
Thu, 24 sep
2h 42min
Direct
15:46
Denver (DEN)
Thu, 24 sep
57 €
Frontier Airlines
F9 2858
19:07
San Francisco (SFO)
Thu, 24 sep
4h 52min
1 stop
23:59
Denver (DEN)
Thu, 24 sep
120 €
Frontier Airlines
F9 3440
23:34
San Francisco (SFO)
Fri, 25 sep
2h 46min
Direct
02:20
Denver (DEN)
Sat, 26 sep +1
75 €
Frontier Airlines
F9 3436
18:42
San Francisco (SFO)
Sat, 26 sep
2h 48min
Direct
21:30
Denver (DEN)
Sat, 26 sep
58 €
Frontier Airlines
F9 3382
23:31
San Francisco (SFO)
Sun, 27 sep
16h 28min
1 stop
15:59
Denver (DEN)
Mon, 28 sep +1
111 €
Frontier Airlines
F9 2930
06:58
San Francisco (SFO)
Tue, 29 sep
7h 17min
1 stop
14:15
Denver (DEN)
Tue, 29 sep
138 €
Frontier Airlines
F9 1230 Best price
13:04
San Francisco (SFO)
Wed, 30 sep
2h 42min
Direct
15:46
Denver (DEN)
Wed, 30 sep
44 €
Frontier Airlines
F9 3436
18:42
San Francisco (SFO)
Wed, 30 sep
2h 48min
Direct
21:30
Denver (DEN)
Wed, 30 sep
58 €
Frontier Airlines
F9 3382
23:31
San Francisco (SFO)
Wed, 30 sep
16h 28min
1 stop
15:59
Denver (DEN)
Thu, 1 oct +1
105 €
Frontier Airlines
F9 4402
05:24
San Francisco (SFO)
Fri, 2 oct
20h 57min
2 stops
02:21
Denver (DEN)
Sat, 3 oct +1
102 €

Low price calendar

September 2026
Price chart (September 2026)
min: 46 € · max: 138 €
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19
Good deal
46 €
20
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115 €
21
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56 €
22
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65 €
23
Good deal
54 €
24
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120 €
25
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75 €
26
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58 €
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111 €
28
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29
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138 €
30
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105 €

Cheap flights San Francisco to Denver

Frontier Airlines
Frontier Airlines
Mon, Tue, Wed, Thu, Fri, Sat, Sun
Price from
€65

Popular destinations from San Francisco

All →
SFO
San Francisco — Los Angeles
United States → United States
LAX
from
€15
SFO
San Francisco — San Diego
United States → United States
SAN
from
€16
SFO
San Francisco — Ontario
United States → United States
ONT
from
€18
SFO
San Francisco — Las Vegas
United States → United States
LAS
from
€19
SFO
San Francisco — Los Angeles
United States → United States
SNA
from
€38
SFO
San Francisco — Seattle
United States → United States
SEA
from
€40
SFO
San Francisco — Phoenix
United States → United States
PHX
from
€40
SFO
San Francisco — Portland
United States → United States
PDX
from
€48

Popular destinations to Denver

All →
PHX
Phoenix — Denver
United States → United States
DEN
from
€19
CHI
Chicago — Denver
United States → United States
DEN
from
€21
SEA
Seattle — Denver
United States → United States
DEN
from
€21
SLC
Salt Lake City — Denver
United States → United States
DEN
from
€22
ATL
Atlanta — Denver
United States → United States
DEN
from
€22
DFW
Dallas — Denver
United States → United States
DEN
from
€22
AUS
Austin — Denver
United States → United States
DEN
from
€22
LAX
Los Angeles — Denver
United States → United States
DEN
from
€23
MSP
Minneapolis — Denver
United States → United States
DEN
from
€26

Cheap flights San Francisco to Denver

Interesting facts about the route

Flight time

7h 17min

Distance

1 554 km

Average price

€65

Most frequent flight

F9 1230

Passenger reviews

No reviews for this route yet

Internet abroad

eSIM · United States

All plans

change

3 GB

data

30

days

€8

Buy

change

2 GB

data

15

days

€11

Buy

change

5 GB

data

30

days

€12

Buy

change

3 GB

data

30

days

€14

Buy

change

5 GB

data

30

days

€20

Buy

Frequently Asked Questions

The average ticket price San Francisco Denver is €65. The cheapest ticket costs €46, operated by Frontier Airlines, flight 1230, departing San Francisco on 19 September at 13:04, arriving Denver on 19 September at 15:46.
The average flight time is 9 hours 38 minutes. The fastest flight takes 2 hours 42 minutes, flight 1230 operated by Frontier Airlines, departing San Francisco on 19 September at 13:04, arriving Denver on 19 September at 15:46.
Flights on the San Francisco - Denver route are operated by the following airlines: Frontier Airlines.
The distance from San Francisco to Denver is 1554 km.