Find Cheap Flights from Florida Keys to Colorado

Round-trip
Economy
Washington (WAS)
Colorado
Thu 8/15
Thu 8/22
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Florida Keys to Colorado Flight Information

Flights Arrive in Colorado
Flights Depart from Florida Keys
Flight Price $278
Airlines American Airlines, Delta, United Airlines

Book cheap flights from Florida Keys to Colorado (round-trip)

Airports
Origin
Key West
$278
only
$278
Destination
Gunnison
$794
only
$794
Denver
$278
only
$278
Montrose
$349
only
$349
Wed, Sep 4
EYW
Key West
DEN
Denver Intl
7h 49m
Wed, Sep 11
DEN
Denver Intl
EYW
Key West
7h 56m
Trip: 8 days
7.2GoodShow reviews
Overall 7.2 Good
Based on 40,210 reviews
Overall
7.4
Boarding
7.5
Comfort
7.2
Crew
7.9
Entertainment
6.8
Food
6.7
PHX
JAC
Excellent 8.3

Pros: Great stews

Cons: Food, 1st class had granola bars. Live tv was advertised, but not available

SJD
PHX
Mediocre 3.3

Pros: Flight going to Cabo was delayed and coming back to California was delayed. Ridiculous!!!!

Cons: Be on time

DFW
JAX
Good 6.8

Pros: The crew was exceptionally polite and helpful!

Cons: The entertainment system at my wife's seat was broken - very disappointing.

SAN
PHL
Good 6.0

Pros: I believe American forgot what customer service are. Their staff located at the airport is plain ignorant and could care less about helping you. They answered my questions, as if they were doing me a favor. Flight crew was professional, but cold. No one greeted us, as we boarded the plane.

Cons: American should remember that people who board their planes are actually their customers!

PVR
DFW
Good 6.0

Pros: No problem with boarding and flight crew. Seating was comfortable.

Cons: Checked in 1 hour 45 minutes early and our checked baggage did not leave with the plane. Lost baggage representative on the OKC airport was incompetent. Repeated contact information 3 times and still had to follow up delivery with corrected address and phone number.

Fri, Sep 20
EYW
Key West
DEN
Denver Intl
7h 27m
Mon, Sep 23
DEN
Denver Intl
EYW
Key West
7h 24m
Trip: 4 days
7.9GoodShow reviews
Overall 7.9 Good
Based on 25,739 reviews
Overall
8.1
Boarding
8.2
Comfort
7.8
Crew
8.5
Entertainment
7.8
Food
7.5
BOI
SLC
Excellent 9.3

Pros: Good crew, kind and hard working staff. It is so nice to have inflight messaging and that was a pleasant surprise that made the flight go quickly.

Cons: I found the delta app to be less user friendly than the United one. I wish the in flight entertainment were in the Delta app versus downloading yet another app.

SEA
DTW
Mediocre 3.0

Cons: Our flight was late, and we had a sick passenger and had to wait until they leave however many of us had connecting flights in which we missed. The flight attendant should have allowed the one's connecting a flight leave first.

YYZ
ATL
Mediocre 2.0

Pros: Nothing

Cons: Worse experience ever, flight delayed, lost connection, many hours in phone trying to fixed and anyway lost the flight, spent so many time at the airport with the front desk so disappointed

LGA
SAV
Excellent 10.0

Pros: very nice crew

SMF
DTW
Excellent 8.3

Pros: The seats were comfortable

Cons: Why does Delta sell earphones?

Sat, Aug 17
EYW
Key West
MTJ
Montrose County
17h 31m
Tue, Aug 20
MTJ
Montrose County
EYW
Key West
6h 27m
Trip: 4 days
7.2GoodShow reviews
Overall 7.2 Good
Based on 40,210 reviews
Overall
7.4
Boarding
7.5
Comfort
7.2
Crew
7.9
Entertainment
6.8
Food
6.7
LAX
RNO
Excellent 8.4

Pros: The seat is uncomfortable

Cons: Nothing

ORD
RSW
Excellent 8.0

Pros: Comfortable seats

Cons: Landing

DFW
JAX
Good 6.8

Pros: The crew was exceptionally polite and helpful!

Cons: The entertainment system at my wife's seat was broken - very disappointing.

PVR
LAX
Okay 4.0

Pros: The crew was friendly enough and the seat size / storage was typical for standard plane tickets.

Cons: The flight was extremely cold. Coming from Mexico to LA we didn't have jackets / blankets on us but it would have been very helpful for this flight. Deplaning at LAX was ridiculous. We stood on the tarmac outside the plane inside a glass tube for 20-25 minutes with no information waiting for a bus.

SJC
LAX
Mediocre 2.0

Cons: The crew, the whole experience,

Fri, Sep 20
EYW
Key West
DEN
Denver Intl
15h 46m
Sat, Sep 21
DEN
Denver Intl
EYW
Key West
14h 25m
Trip: 2 days
7.2GoodShow reviews
Overall 7.2 Good
Based on 40,210 reviews
Overall
7.4
Boarding
7.5
Comfort
7.2
Crew
7.9
Entertainment
6.8
Food
6.7
DCA
MCO
Excellent 8.8

Cons: Snack selection

MIA
CHS
Mediocre 2.0

Cons: This was a terrible flight. Had a connection that was delayed several times and eventually cancelled without explanation. I was traveling for my best friend's wedding and they did not work with me to try to get me on the next flight. I had to book another flight from another airline.

ORD
LHR
Excellent 8.0

Pros: Crew was very good.

Cons: Seat 2L Rocked back-and-forth every time person in seat 1L moved. This was a day flight from Chicago to London so I wasn’t sleeping. I could see if you were sleeping and had to deal with all the seat movement it would not be ideal.

PHL
DCA
Poor 0.0

Pros: Nothing. Didn’t make the flight.

PHX
CMH
Okay 5.6

Pros: The 2 flight attendants who continued to work this flight were amazing. The gate agent in Phoenix was also great.

Cons: 7 hour delay initially because of a mechanical problem, but massively exacerbated by an inability to find crew. Disappointing....

Wed, Aug 14
EYW
Key West
GUC
Gunnison
11h 52m
Fri, Aug 16
GUC
Gunnison
EYW
Key West
12h 10m
Trip: 3 days
7.1GoodShow reviews
Overall 7.1 Good
Based on 64,604 reviews
Overall
7.3
Boarding
7.4
Comfort
7.0
Crew
7.7
Entertainment
6.6
Food
6.5
SBA
DEN
Excellent 10.0

Pros: Crew was very courteous and professional.

IAD
LAX
Mediocre 2.3

Pros: Nothing

Cons: Blankets

LAX
HNL
Mediocre 3.3

Pros: The crew was very friendly, the seats were uncomfortable and the air cabin was very cold.

Cons: The flight was delayed, cancelled then on again. Communication regarding the flight changes were very confusing and had guest running though the airport not knowing what to do. My suitcase was busted and destroyed.There were not enough blankets for everyone in the cold plane. Horrible experience.

AMS
ORD
Good 6.0

Cons: flight was late close to 4 hrs

LAX
ORD
Okay 5.2

Cons: For being a red-eye flight, it was very annoying to have some of the crew members in the back carrying on and laughing very very loudly.

Fri, Aug 16
EYW
Key West
DEN
Denver Intl
6h 55m
Mon, Aug 19
DEN
Denver Intl
EYW
Key West
5h 59m
Trip: 4 days
7.9GoodShow reviews
Overall 7.9 Good
Based on 25,739 reviews
Overall
8.1
Boarding
8.2
Comfort
7.8
Crew
8.5
Entertainment
7.8
Food
7.5
SAN
MSP
Excellent 9.0

Cons: Bring ear buds if you want to watch/listen to a movie. Delta changes for ear buds Everything else was fine

SAN
LAX
Mediocre 2.0

Cons: Missed flight due to unnecessary delays

LAX
PHX
Good 6.5

Pros: Flight crew was ok and boarding was really quick

Cons: Terminal 2 security at LAX is awful and inefficient Also plane had a malfunctioning switch and it took them 1.5 hrs to fix while we are on the plane. This was 1.5 hrs delay on a 58 minutes flight. :(

SYD
LAX
Excellent 8.3

Pros: tCrew was good. On one side of airplane in main cabin, bathroom was twice size of normal airplane bathrooms. This was welcome.

Cons: Seats were reasonable.

DEN
LAX
Okay 4.6

Cons: Delayed 4 hours

Sat, Aug 24
EYW
Key West
MTJ
Montrose County
10h 14m
Tue, Aug 27
MTJ
Montrose County
EYW
Key West
6h 26m
Trip: 4 days
7.2GoodShow reviews
Overall 7.2 Good
Based on 40,210 reviews
Overall
7.4
Boarding
7.5
Comfort
7.2
Crew
7.9
Entertainment
6.8
Food
6.7
STL
LAX
Okay 5.3

Pros: Seat uncomfortable. I am an elite flier and was put in an n uncomfortable middle seat with no choice.

Cons: Seat should with choice.

DTW
DFW
Excellent 10.0

Cons: As always, the crew was friendly, professional and accommodating.

PHL
DCA
Poor 0.0

Pros: Nothing. Didn’t make the flight.

SJC
LAX
Mediocre 2.0

Cons: The crew, the whole experience,

MSY
DFW
Good 7.5

Pros: Nice aircraft once I got to Texas. From my hometown the plane was kind of old.

Cons: Well they lost my luggage after my original flight was delayed 2+ hours. Rebooked my flight but never communicated to me whether they would handle my bag transfer or if I needed to go get them myself From the baggage claim to put into the correct flight. So I had no clothes...

Fri, Jul 26
EYW
Key West
DEN
Denver Intl
8h 44m
Wed, Aug 7
DEN
Denver Intl
EYW
Key West
6h 55m
Trip: 13 days
7.9GoodShow reviews
Overall 7.9 Good
Based on 25,739 reviews
Overall
8.1
Boarding
8.2
Comfort
7.8
Crew
8.5
Entertainment
7.8
Food
7.5
SEA
ANC
Excellent 10.0

Pros: Use my built up miles for the SEA-ANC leg of our trip, as to physically price it out as one ticket usually increases the fare by 300-600 u$d depending upon time of year. As it was the tail end of an already long journey (OKA-ICN/ICN-SEA), booked the First Class Cabin. Every mile was worth it.

Cons: N/A

BOI
SLC
Excellent 9.3

Pros: Good crew, kind and hard working staff. It is so nice to have inflight messaging and that was a pleasant surprise that made the flight go quickly.

Cons: I found the delta app to be less user friendly than the United one. I wish the in flight entertainment were in the Delta app versus downloading yet another app.

MFR
SLC
Excellent 10.0

Cons: Delta is top notch!

MKE
ATL
Excellent 10.0

Pros: comfort plus really makes a difference

Cons: include at least 1 checked back with comfort plus or some kind of discount.

LGA
FLL
Good 6.3

Pros: The crew was great.

Cons: The flight and crew were great. But I was not able to choose my seat because I purchased an economy flight. I was very uncomfortable. But I was luck that that people that were sitting with me were great.

Thu, Jul 25
EYW
Key West
DEN
Denver Intl
8h 44m
Sat, Jul 27
DEN
Denver Intl
EYW
Key West
7h 23m
Trip: 3 days
7.9GoodShow reviews
Overall 7.9 Good
Based on 25,739 reviews
Overall
8.1
Boarding
8.2
Comfort
7.8
Crew
8.5
Entertainment
7.8
Food
7.5
SEA
ANC
Excellent 10.0

Pros: Use my built up miles for the SEA-ANC leg of our trip, as to physically price it out as one ticket usually increases the fare by 300-600 u$d depending upon time of year. As it was the tail end of an already long journey (OKA-ICN/ICN-SEA), booked the First Class Cabin. Every mile was worth it.

Cons: N/A

LAX
PHX
Good 6.5

Pros: Flight crew was ok and boarding was really quick

Cons: Terminal 2 security at LAX is awful and inefficient Also plane had a malfunctioning switch and it took them 1.5 hrs to fix while we are on the plane. This was 1.5 hrs delay on a 58 minutes flight. :(

LAX
BOS
Good 6.3

Pros: Older plane.

Cons: Our section, Main 1 (towards tail end of plane) had strong smell of unine which thankfully dissipated once plane was in flight. Also, bathrooms even on boarding were not clean with urine all over the toilet.

EWR
MSP
Okay 5.0

Cons: An officious crew who said they had a 'seat belt detector' to tell if people's seatbelts were fastened. A late flight... with lies about the reason for the delay.

MCO
LAX
Good 7.3

Pros: Yes

Cons: Snacks

Thu, Jul 25
EYW
Key West
DEN
Denver Intl
5h 52m
Sun, Jul 28
DEN
Denver Intl
EYW
Key West
11h 41m
Trip: 4 days
7.2GoodShow reviews
Overall 7.2 Good
Based on 40,210 reviews
Overall
7.4
Boarding
7.5
Comfort
7.2
Crew
7.9
Entertainment
6.8
Food
6.7
MCO
PHX
Mediocre 3.6

Pros: Crew was very nice and professional.

Cons: Plane was very hot and cramped.

CLT
ORD
Excellent 8.4

Pros: Excellent crew.

Cons: Seat 2L rocks back and forth every time person in seat 1L moves. This was a day flight ORD-LHR so I wasn’t sleeping but I could see how that would be annoying if I were.

PHL
DCA
Poor 0.0

Pros: Nothing. Didn’t make the flight.

DFW
YVR
Excellent 9.2

Cons: Full flight, but exceeded expectations

MIA
CHS
Mediocre 2.0

Cons: This was a terrible flight. Had a connection that was delayed several times and eventually cancelled without explanation. I was traveling for my best friend's wedding and they did not work with me to try to get me on the next flight. I had to book another flight from another airline.

Sat, Aug 17
EYW
Key West
GUC
Gunnison
28h 27m
Mon, Aug 19
GUC
Gunnison
EYW
Key West
33h 20m
Trip: 3 days
7.1GoodShow reviews
Overall 7.1 Good
Based on 64,604 reviews
Overall
7.3
Boarding
7.4
Comfort
7.0
Crew
7.7
Entertainment
6.6
Food
6.5
PDX
ORD
Good 6.0

Pros: The crew was very kind and welcoming.

Cons: The seats are much tighter than Southwest and Virgin. My husband and I are taller (6' and 5'9" respectively) and our knees kept bumping the seats in front of us.

IAH
SJU
Okay 5.2

Cons: Seats could have been better. Very uncomfortable seats

SLC
EWR
Mediocre 2.6

Pros: United- I cannot believe that the computer assigned seats in the last row since we have been United/Continental frequent fliers for over 30 years. We will always choose Delta over United based on our experience on Saturday/Sunday.

DFW
ORD
Okay 4.3

Cons: Flight was delayed 45 min

EWR
SFO
Okay 4.3

Cons: Horrible 4 hour delays and no ETA on take off time.

Thu, Aug 1
EYW
Key West
DEN
Denver Intl
5h 52m
Thu, Aug 8
DEN
Denver Intl
EYW
Key West
10h 37m
Trip: 8 days
7.2GoodShow reviews
Overall 7.2 Good
Based on 40,210 reviews
Overall
7.4
Boarding
7.5
Comfort
7.2
Crew
7.9
Entertainment
6.8
Food
6.7
LAS
CLT
Mediocre 2.0

Pros: That I arrived safely

Cons: Seats could be bigger after all you get charge for a trip, they could also have more flights and stop cramping up the place then there’s no overhead space. Perfect example of Corporate greed

DFW
FRA
Good 7.6

Cons: Cabin crew was good not great - expected more in flagship

DFW
DEN
Excellent 9.6

Cons: Sat waiting for gate for 30 min

MCO
PHX
Mediocre 3.6

Pros: Crew was very nice and professional.

Cons: Plane was very hot and cramped.

FAT
PHX
Good 7.6

Pros: Boarding was average. Cabin crew was very nice and attentive when needed. Flight was on-time. Luggage arrived quickly and unharmed.

Cons: When will airlines end cramming in as many sardines/passengers in the plane? The seating for me (6"1") was too close to the seat in front. Luckily, the passenger in front of me did not recline.

Thu, Aug 15
EYW
Key West
GUC
Gunnison
12h 52m
Fri, Aug 16
GUC
Gunnison
EYW
Key West
32h 20m
Trip: 2 days
7.1GoodShow reviews
Overall 7.1 Good
Based on 64,604 reviews
Overall
7.3
Boarding
7.4
Comfort
7.0
Crew
7.7
Entertainment
6.6
Food
6.5
DEN
MTJ
Okay 5.6

Pros: Crew was ok

Cons: Had to wait in plane for over 1/2 hour coming and going to Denver!!!

IAD
DEN
Mediocre 3.2

Pros: Not much, don't really like flying at night. The crew was nice enough.

Cons: Our flight to Denver was delayed by 3 hours, so I had to wait for 5 hours. Supposedly we were waiting for another plane because the original plane had a damaged wing. Who knows if these things are true. Maybe they just don't have enough pilots. I missed my connecting flight. Less time unboarding

ROC
SJC
Okay 4.0

Pros: The woman at the counter was helpful and cheerful.

Cons: The experience was poor due to a flight delay that would have resulted in a missed connection. This resulted in a very negative effect because I won't be able to make an important business meeting.

LHR
SFO
Excellent 8.6

Pros: Food has gotten much better than maybe 10 years ago? Decent quantity and taste. Food is heated.

Cons: Boarding took longer than usual but they did announce that the gate we were assigned was not setup for that plane.

ORD
LIT
Okay 5.6

Pros: The flight attendant was amazing and tried to compensate for the other problems of the flight.

Cons: The air conditioner was broken so the entire flight was extremely hot. The plane was so small that the engine vibrated the seats the whole time. It was miserable to be on the flight.

Sun, Aug 18
EYW
Key West
GUC
Gunnison
17h 47m
Tue, Aug 20
GUC
Gunnison
EYW
Key West
25h 05m
Trip: 3 days
7.1GoodShow reviews
Overall 7.1 Good
Based on 64,604 reviews
Overall
7.3
Boarding
7.4
Comfort
7.0
Crew
7.7
Entertainment
6.6
Food
6.5
IAH
ATL
Excellent 8.3

Cons: Access to WiFi

IND
ORD
Excellent 9.3

Pros: In flight entertainment is provided through a screen in front of your seat. There are many different channels to browse.

LHR
SFO
Excellent 8.6

Pros: Food has gotten much better than maybe 10 years ago? Decent quantity and taste. Food is heated.

Cons: Boarding took longer than usual but they did announce that the gate we were assigned was not setup for that plane.

DFW
ORD
Okay 4.3

Cons: Flight was delayed 45 min

SFO
KOA
Mediocre 2.0

Pros: Getting off the plane.

Cons: First, it was a big ordeal to get seats together, traveling with 3 children. Seats did not recline. No movie screen, entertainment. Weren’t allowed a carryon, only under seat. Will not fly united again.

Fri, Aug 16
EYW
Key West
GUC
Gunnison
11h 52m
Sat, Aug 17
GUC
Gunnison
EYW
Key West
32h 40m
Trip: 2 days
7.1GoodShow reviews
Overall 7.1 Good
Based on 64,604 reviews
Overall
7.3
Boarding
7.4
Comfort
7.0
Crew
7.7
Entertainment
6.6
Food
6.5
SLC
EWR
Mediocre 2.6

Pros: United- I cannot believe that the computer assigned seats in the last row since we have been United/Continental frequent fliers for over 30 years. We will always choose Delta over United based on our experience on Saturday/Sunday.

NRT
IAD
Okay 4.3

Pros: Boarding was fast and landed on time.

Cons: The temperature was too cold to get comfortable. I had on a jacket and a blanket, drank hot tea and still managed to get a cold after leaving the plane. Also the food wasn’t good.

EWR
SEA
Excellent 8.4

Pros: The checking kiosk with luggage check-in, weight station and automated ticket printing for boarding pass and luggage tag. Security checkpoint was smooth and moving fast. All above have vastly reduced stagnant check-in line at the check-in counters.

Cons: Need more properly trained ground crew at baggage drop point (which is also the previously check-in counter) to ease the line and expedite the check-in. Also need more notification billboard along the long line to better inform the passagers what to expect at the security checkpoint.

ORD
LIT
Okay 5.6

Pros: The flight attendant was amazing and tried to compensate for the other problems of the flight.

Cons: The air conditioner was broken so the entire flight was extremely hot. The plane was so small that the engine vibrated the seats the whole time. It was miserable to be on the flight.

IAD
SAN
Good 6.0

Cons: Food options had run out by the time the crew reached my seat.

Sun, Aug 18
EYW
Key West
GUC
Gunnison
17h 47m
Mon, Aug 19
GUC
Gunnison
EYW
Key West
20h 07m
Trip: 2 days
7.1GoodShow reviews
Overall 7.1 Good
Based on 64,604 reviews
Overall
7.3
Boarding
7.4
Comfort
7.0
Crew
7.7
Entertainment
6.6
Food
6.5
CLE
DEN
Okay 4.0

Pros: Nothing

Cons: Not sticking me next to a 400 pound man

ORD
LAS
Excellent 8.6

Pros: Crew very professional and provided excellent service.

Cons: Boarding process chaotic.

BTV
IAD
Okay 5.2

Pros: The crew was typical, the seat was on the aisle, which I prefer, but kind of in the way and I kept hitting my head.

Cons: The snacks are not good at all, next time I'll take my own. They should just quit serving them and charging us for them.

EWR
IAH
Excellent 10.0

Pros: Flight was on time and arrived 15 minutes early

Cons: Nothing

ORD
LEX
Okay 4.0

Cons: Not sitting for an hour on the runway with no A/C.

Sat, Aug 24
EYW
Key West
GUC
Gunnison
19h 58m
Sun, Aug 25
GUC
Gunnison
EYW
Key West
41h 32m
$1009
Trip: 2 days
7.1GoodShow reviews
Overall 7.1 Good
Based on 64,604 reviews
Overall
7.3
Boarding
7.4
Comfort
7.0
Crew
7.7
Entertainment
6.6
Food
6.5
LAX
DEN
Excellent 10.0

Pros: Love United’s service. Nothing to complain about.

ORD
LIT
Okay 5.6

Pros: The flight attendant was amazing and tried to compensate for the other problems of the flight.

Cons: The air conditioner was broken so the entire flight was extremely hot. The plane was so small that the engine vibrated the seats the whole time. It was miserable to be on the flight.

FRA
ORD
Excellent 9.3

Pros: The taste of the food was delicious.

Cons: I’d have liked larger portion sizes as I was still a little hungry after each meal and snack.

OPO
EWR
Mediocre 3.3

Cons: The flight was 7 hours delayed, United could have been more helpful with choosing a better option to get home

IAD
DEN
Mediocre 3.2

Pros: Not much, don't really like flying at night. The crew was nice enough.

Cons: Our flight to Denver was delayed by 3 hours, so I had to wait for 5 hours. Supposedly we were waiting for another plane because the original plane had a damaged wing. Who knows if these things are true. Maybe they just don't have enough pilots. I missed my connecting flight. Less time unboarding

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