$48 Find Cheap Flights from San Francisco to Colorado

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from San Francisco to Colorado departing on 3/16. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Colorado

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from San Francisco to Colorado.
These are the airlines KAYAK users have selected most often from within our search results in flight searches from San Francisco to Colorado.
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Flight Deals

Cheap Flights from San Francisco to Colorado

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Denver
Denver1 stop$86
Aspen
Aspen1 stop$355
Grand Junction
Grand Junction1 stop$211
Durango
Durango2 stops$277
Montrose
Montrose1 stop$219
Hayden
Haydennonstop$182
Gunnison
Gunnison1 stop$281
Telluride
Telluride1 stop$796
Alamosa
Alamosa2 stops$332
Vail
Vail1 stop$367
Denver
Denver1 stop$86
Aspen
Aspen1 stop$355
Grand Junction
Grand Junction1 stop$211
Durango
Durango2 stops$277
Montrose
Montrose1 stop$219
Hayden
Haydennonstop$182
Gunnison
Gunnison1 stop$281
Telluride
Telluride1 stop$796
Alamosa
Alamosa2 stops$332
Vail
Vail1 stop$367

Book Cheap San Francisco to Colorado Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from San Francisco to Colorado that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from San Francisco to Colorado

Mon, Mar 2 - Tue, Mar 3
Frontier Logo
8:18 pm - 7:54 am
SFO
-
DEN
10h 36m
1 stop
Frontier Logo
8:00 pm - 10:01 pm
DEN
-
SFO
3h 01mnonstop
$86Frontier
Wed, Mar 11 - Sun, Mar 22
Frontier Logo
9:04 pm - 12:37 am
SFO
-
DEN
2h 33mnonstop
Frontier Logo
10:29 pm - 12:28 am
DEN
-
SFO
2h 59mnonstop
$87Frontier
Sat, Feb 21 - Tue, Feb 24
Frontier Logo
6:15 am - 10:02 am
SFO
-
DEN
2h 47mnonstop
Frontier Logo
8:00 pm - 10:01 pm
DEN
-
SFO
3h 01mnonstop
$88Frontier
Sat, Mar 21 - Wed, Mar 25
United Airlines Logo
9:30 am - 1:02 pm
SFO
-
HDN
2h 32mnonstop
United Airlines Logo
2:48 pm - 4:35 pm
HDN
-
SFO
2h 47mnonstop
$182United Airlines
Sun, Mar 22 - Sat, Mar 28
United Airlines Logo
7:15 am - 3:56 pm
SFO
-
HDN
7h 41m
1 stop
United Airlines Logo
2:48 pm - 4:36 pm
HDN
-
SFO
2h 48mnonstop
$192United Airlines
Wed, Mar 18 - Tue, Mar 24
Delta Logo
5:40 am - 11:24 am
SFO
-
COS
4h 44m
1 stop
Delta Logo
8:15 am - 4:04 pm
COS
-
SFO
8h 49m
2 stops
$235Delta
Sat, Feb 21 - Tue, Feb 24
Delta Logo
5:55 am - 11:15 am
SFO
-
COS
4h 20m
1 stop
Delta Logo
12:00 pm - 4:09 pm
COS
-
SFO
5h 09m
1 stop
$237Delta
Wed, Feb 11 - Sat, Feb 14
American Airlines Logo
6:00 am - 2:05 pm
SFO
-
MTJ
7h 05m
1 stop
American Airlines Logo
10:35 am - 9:23 pm
MTJ
-
SFO
11h 48m
2 stops
$274American Airlines
Tue, Feb 24 - Tue, Mar 3
American Airlines Logo
6:20 am - 6:07 pm
SFO
-
DRO
10h 47m
2 stops
American Airlines Logo
8:23 am - 5:50 pm
DRO
-
SFO
10h 27m
2 stops
$277American Airlines
Mon, Feb 23 - Tue, Mar 3
Southwest Logo
3:25 pm - 9:30 pm
SFO
-
COS
5h 05m
1 stop
Southwest Logo
6:40 am - 2:20 pm
COS
-
SFO
8h 40m
2 stops
$280Southwest
Booking Insights

KAYAK's insights & trends for San Francisco to Colorado flights

Get data-powered insights and trends into flights from San Francisco to Colorado to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest San Francisco to Colorado flight route?

Data is based on round-trip flight searches on KAYAK over the past month.

The cheapest ticket to Colorado from San Francisco found in the last 72 hours was to Denver, at $88 round-trip. The most popular route is from San Francisco (SFO) to Denver (DEN), and the cheapest round-trip airline ticket found on this route in the last 72 hours was $88.

Can I save money by flying with a layover from San Francisco to Colorado?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 2 stops layover the cheapest option at $272 on average.

What is the cheapest month to fly from San Francisco to Colorado?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from San Francisco to Colorado, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from San Francisco to Colorado is February, when tickets cost $198 (return) on average. On the other hand, the most expensive months are December and June, when the average cost of round-trip tickets is $299 and $277 respectively.

What’s the cheapest day of the week to fly from San Francisco to Colorado?

The average price of all round-trip flights from San Francisco to Colorado clicked on KAYAK for each day over the last 12 months.

If you are looking for a flight deal from San Francisco to Colorado, look for departures on Fridays and avoid leaving on a Sunday, as it's usually the priciest day. When flying back from Colorado, Friday is the cheapest day to fly and Monday is the most expensive.

How far in advance should I book a flight from San Francisco to Colorado?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from San Francisco to Colorado, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from San Francisco to Colorado, you should book around 2 weeks before departure, which saves you about 23% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 6 weeks before departure.

Good to know

Low seasonNovember
Cheapest flight$48
Best time to beat the crowds but there is an average 7% increase in price.
Most popular time to fly and prices are also 5% lower on average.
Flight from San Francisco to Denver

FAQs - booking Colorado flights

  • How does KAYAK find such low prices on flights from San Francisco to Colorado?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from San Francisco to Colorado.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from San Francisco to Colorado?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from San Francisco to Colorado is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from San Francisco to Colorado?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from San Francisco to Colorado with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from San Francisco to Colorado?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from San Francisco to Colorado up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest time of day to fly to Colorado?

    The cheapest time of day to fly to Colorado is generally at night, when round-trip flights cost $265 on average. Morning departures are around 4% more expensive than evening flights, on average. The most expensive time of day to fly to Colorado is generally in the afternoon, which is peak travel time and where the average cost of a ticket is $388.

Top tips for finding cheap flights to Colorado

  • Looking for a cheap flight? 25% of our users found tickets from San Francisco to the following destinations at these prices or less: Denver $139 one-way - $216 round-trip

Reviews of the top 5 airlines serving from San Francisco to Colorado

 
See real verified KAYAK customer reviews for airlines flying from San Francisco to Colorado. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from San Francisco to Colorado? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
SouthwestOverall score based on 4267 reviews
8.6Crew
8.0Comfort
7.0Food
7.5Entertainment
8.1Boarding
Airline reviews

Great flight but super high price. Glad it was a business trip and not personal

10.0 ExcellentPieter, Jan 2026
LGB - DAL
Read more Southwest reviews

Great flight but super high price. Glad it was a business trip and not personal

3 hour delay. Had to change plans and was still delayed.

We got exit row seats both flights. Everything was running on time

The boarding and seat assignment system no longer works for me, but I know it is being replaced. Otherwise, I am good with the overall experience.

The lead steward kept singing about "San Francisco" and hotel California---more annoying than humorous....needs work. Flight was smooth and on time.

San Diego airport is brand new, spacious, airy and very smooth checkin at SW baggage drop.

Crew could have been friendlier, maybe I'm spoiled by SW crews. In flight wifi was good. Would be nice to have more food offerings on a 4 plus hour flight

Ever since Southwest starting charging for bags, passengers don't want to pay to check their bags, so the gate agents have to beg people to check their roller bags now because there's "not enough space". This was a terrible business move by Southwest.

Sacrament staff are always polite and helpful. Airport is easy to maneuver and boarding is straightforward.

As always, the entire Southwest experience was wonderful, from online booking to flight to baggage retrieval. Very grateful.

Delta One is extraordinary. I fly business when somebody hires me. I just wonder why there is such a chasm between business class and the insanely inhumane and nonsensical coach. The seats are not large enough to fit even my tiny wife. We fly 10% of what we did because we don’t want to pay 5-10 k but for $400 it’s unbearable. It seems like the accountants took over and made stupid decisions. Screw in 20 extra seats and make it so unbearable that people fly 90% less. Just put the damn price up and put some proper chairs in. But business, yay.

Delta’s staff is unmatched. From the gate agents, to the pilots, to the flight attendants… all top of the industry.

The flight was delayed for about 2 hrs. Other than it, it was good.

I am extremely disappointed that delta internal pilot manuals now refer to the Gulf of Mexico as the “gulf of America”. You can bow down to the Orange turd on your own. I will never fly delta again

No lunch on a x-country flight scheduled for 10:50 am departure, arrived 5+ hrs later. That requires a black box label before you pay for the tickets. Worst, when I checked in online, it's specifically said that lunch was served on his flight for economy Plus passengers.

Our flight from SFO to MSP was right on time on 11/15/2025. No delays. As we approached MSP at about 8 pm, we circled in the air until 8:40 pm so I don't call that efficient for MSP. I think the captain should announce the delay and why. (as if we all don't know that we are just circling around the area, slowing down, speeding up, slowing down.) Thank you. Marilyn Fischer

Staff were friendly and happy. Delta could make sure passengers that don't have the app know of changes. Without Kayak I would not have known about the change of gate or the delay. Kayak was faster to notify me.

The flight used a B767 with a very old interior from before 2014. The entertainment system did not work at all during the flight despite attempts to reset the system. It was like they flew this route just to be competitive.

Delayed flight (1hour) plus a long layover after an overnight flight with no backup plane available.

Flight delayed for two and half hours and then canceled altogether due to mechanical issues. No mechanic onsite to fix so had to send one from LAX.

The flight crew where really good. Better then the crew from BNE to SFO

Food should be changed in menu Many muslims travels in this airlime they need to add one Halal meal

left on time, reasonable boarding process arrived early luggage came out quickly

Some flight attendants were great others were cranky. Seats were very tight and sitting on an aisle was very hard as the carts and people walking constantly bumped shoulder and arm.

Pushed back only to get deplaned due to a tire damaged by ground crew. They did at least go pretty fast. The bathrooms should be banned under the Geneva convention. No room to even sit straight on the toilet. The under-seat entertainment units block what little leg room there is.

United airlines has the best customer experience from booking to arrival. I always fly United airlines. The mileage program is excellent

from SFO-> FRA flight, AVML meal was significantly less compared to regular meal, especially no Desert, no Bread, no sides.

This was an older airplane. The cabin was constantly warm to hot throughout the 10 hour flight and there were no vents to personalize air flow. Also since it was an older plane, the material and comfort of the chairs were very uncomfortable. I left my flight with major soreness on my tailbone.

Older aircraft, no meal, only food was for purchase. Not impressed United.

Not pleasant trip cross country when the entertainment and WiFi system not working. No entertainment for entirety of route. Staff was rather nonchalant in that they dismissed the problem due to age of plane. It would have been nice to know this up front so I could have come prepared to read or download movies before boarding Coincidentally or not, there was a similar issue with the entertainment system on my previous flight I took on my fist leg of the trip. There are no seat TVs, so you must rely on the app when it works. United can do better. Also, what use it it to pay for boarding group 2 when half of the passengers are in the same line as you?

Don't change gate multiple times make people run across the airport. Announce delays in a timely manner. Have maintenance crew ready. Don't delay and keep passengers on the plane for 3 hrs. on tarmac.

The entertainment options were at best, fair. It was exactly the same as my outbound flight. It would have been more entertaining if there were some series from Apple TV, HBO, Showtime or other carriers for me to catch up with.

My seat tv didn’t work the whole trip. And the seat space is too small despite being seated at the front.

The flight was on time and arrived early. The crew were friendly and helpful.

Overall experience was great. Flights were almost on time in departing and we arrived at our destination as scheduled. No issues with amenities or flight crew. Everything went well as as expected. Will fly again with American Airlines in the future!

Horrible. Both legs of my flight were delayed more than 6 hours. No compensation, no screens on the plane, and the plane was not clean.

The flight was smooth, the pilot kept us informed about delays and we arrived more of less on time

Flight was delayed leaving Dallas. Arrived about 2 hours later than scheduled.

The flight was flawless and we even arrived between 20 and 25 minutes early!

Always seated jammed in rear of aircraft Admirals Club food at DFW terminal D was absolute worst food experience and I pay $600/year to eat this dried out junk

It was costly and difficult to check in. $85 to take a small suitcase with me, carry on or checked and $75 on the return trip, Plus $25 if I didn't check my self in check in $25, because I couldn't do it on the kiosk. Small very uncomfortable seats, waited on the runway for near an hour each way. It was my worst flight to date.

Due to weather, my flight was delayed, further delayed, then canceled. I eventually got through to a support person who helped me find a different route out of MSP, but to get to DIA, they didn't want to, but eventually did help with the connection ticket purchase. But even this replacement flight was delayed time and time again, and I would have missed my connecting flights and I didn't want to get stuck in a layover city, so after 12 hours at the airport with two young boys who were very tired, we just cancelled our plans and spent the week at home, instead of Nana's.

I knew going into this that Frontier, being a low cost carrier, would be pretty bare bones and charge for most extras but this was made up for by the fact that the airplane was a reasonably new Airbus, every employee was great and best of all, Everett Washington is an amazing airport - thanks Frontier for flying there!!!

Seats were new and comfortable. Staff was fine. Missed my connection due to weather -which wasn’t their fault- but got no help at all. Gate staff sent me to customer service, which was and stayed unstaffed. Sign with QR code directed me to call or chat. Chat was useless. Call was returned after an hour. No itinerary offered by Frontier could get me home in less than 30 hours. Rebooked with another airline and got a partial refund that came to about 10 percent of what I paid to get home.

The experience was good. No frills but I got there safe and sound and on time.

As every law enforcement agency I could imagine surrounded the plane and we didn’t disembark for 2 hours and then had to stick around for another hour to go get our personal belongings after leaving them behind and being bused away from the plane, it was scary and inconvenient. We were given no information as to why this was happening. Lack of communication with passengers was disappointing.

Frontier Airlines was AWFUL. I was an hour early for my flight and the lady refused to check me in. I had to purchase a whole new ticket with a different airline.

Late, terrible communication, horrible planning of passenger seating until the literal last minute. One of the worst flying experiences of my life. Y'all suck

First of all, we never got on the connecting flight to Denver. They delayed our flight for two hours. If we would have gotten on that flight, we would have been stuck in Denver for 13 hours. So we re- routed our flight for a straight through flight to Oklahoma two days later. THEN, they delayed that flight for two hours. After that we were able to finally get on our flight and come home. Frontier Airlines - one of the worst airlines I have ever been on.

Terrible communication with weather delay, lost baggage, near impossible to reach customer service

Everything you need to know for your flight from San Francisco to Colorado

Information on your arrival and departure airports