What is the cheapest airline that flies from Colorado to San Francisco Bay Area?

Southwest, Delta, and Alaska Airlines are the most popular carriers operating from Colorado to San Francisco Bay Area

How many flights depart from Colorado to San Francisco Bay Area on average per week?

The number of flights available between Colorado and San Francisco Bay Area is 457 per week as of May 2026. The most frequent departure day is Sat, with 19% of weekly flights leaving on this day.

How many flights depart from Colorado to San Francisco Bay Area on average per day?

As of May 2026, there are 65 flights per day flying from Colorado to San Francisco Bay Area. The most common time of day flights depart is 7:00PM, with 42% of flights taking off at noon.

What airlines fly to San Francisco Bay Area?

United Airlines, Frontier and Southwest are the top three most popular airlines that fly to San Francisco Bay Area from Colorado according to our data. United Airlines is the first choice among our users, with 41% of people opting to fly with this airline when traveling to San Francisco Bay Area. Keep in mind that there are 6 different airlines that fly to San Francisco Bay Area on a routine basis, so you have a few additional options to choose from.

How long is the flight from Colorado to San Francisco Bay Area?

If you’re flying from a popular airport in Colorado, such as Aspen or Denver, and flying into San Francisco Bay Area, then you can expect flight times to average 2h 21m and 2h 27m, respectively.

When did momondo last update prices for flights from Colorado to San Francisco Bay Area?

Prices for flights from Colorado to San Francisco Bay Area are refreshed on a daily basis.

How many operators does momondo search for flights from Colorado to San Francisco Bay Area?

The number of operators available for flights from Colorado to San Francisco Bay Area is 6 as of May 2026.

How old do you have to be to fly from Colorado to San Francisco Bay Area?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Colorado to San Francisco Bay Area.

What documentation or ID do you need to fly to San Francisco Bay Area?

The required travel and health documents for your San Francisco Bay Area trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Francisco Bay Area. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$70 Cheap Flights from Colorado to San Francisco Bay Area in 2026

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Find the cheapest flights from Colorado to San Francisco Bay Area

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:25 am - 8:45 pm

DEN

SFO

14h 20m

1 stop

8:23 pm - 10:03 am

SFO

DEN

12h 40m

1 stop

$183Frontier

Wed, Jul 22 - Tue, Jul 28

10:39 pm - 8:45 pm

DEN

SFO

23h 06m

1 stop

11:15 am - 2:10 pm

SFO

DEN

25h 55m

1 stop

$185Frontier

Tue, Jul 28 - Wed, Aug 12

1:43 pm - 11:54 pm

DEN

STS

11h 11m

1 stop

6:13 am - 12:20 pm

STS

DEN

5h 07m

1 stop

$226Alaska Airlines

Tue, Aug 25 - Fri, Aug 28

6:55 pm - 10:23 pm

GJT

SFO

4h 28m

1 stop

3:54 pm - 11:43 pm

SFO

GJT

6h 49m

1 stop

$251American Airlines

Wed, Jun 24 - Wed, Jul 1

7:34 am - 3:44 pm

GJT

SFO

9h 10m

2 stops

1:20 pm - 6:17 pm

SFO

GJT

3h 57m

1 stop

$256Delta

Tue, Jul 14 - Sun, Jul 19

6:55 pm - 10:23 pm

GJT

SFO

4h 28m

1 stop

3:54 pm - 11:43 pm

SFO

GJT

6h 49m

1 stop

$260American Airlines

Wed, Jun 24 - Wed, Jul 1

8:50 pm - 10:30 pm

DEN

OAK

2h 40mnonstop

6:40 pm - 10:05 pm

OAK

DEN

2h 25mnonstop

$260Southwest

Wed, Jul 29 - Tue, Aug 11

7:34 am - 3:44 pm

GJT

SFO

9h 10m

2 stops

9:20 am - 6:17 pm

SFO

GJT

7h 57m

2 stops

$261Delta

Tue, Jul 14 - Sun, Jul 19

6:00 am - 9:25 am

DEN

OAK

4h 25m

1 stop

9:00 am - 12:20 pm

OAK

DEN

2h 20mnonstop

$270Southwest

Wed, Jul 29 - Tue, Aug 11

1:43 pm - 11:54 pm

DEN

STS

11h 11m

1 stop

6:13 am - 12:20 pm

STS

DEN

5h 07m

1 stop

$271Alaska Airlines

Thu, Sep 24 - Sun, Sep 27

Frontier flights from Colorado to San Francisco Bay Area

Our best Frontier deals on Colorado to San Francisco Bay Area flight tickets

Frontier

Jul 22

DEN7:25 amDenver Intl

14h 20m

1 stop

SFO8:45 pmSan Francisco

Jul 28

SFO8:23 pmSan Francisco

12h 40m

1 stop

DEN10:03 amDenver Intl

$183

Frontier

Jul 28

DEN10:39 pmDenver Intl

23h 06m

1 stop

SFO8:45 pmSan Francisco

Aug 12

SFO11:15 amSan Francisco

25h 55m

1 stop

DEN2:10 pmDenver Intl

$185

Frontier

Jul 14

DEN10:39 pmDenver Intl

23h 06m

1 stop

SFO8:45 pmSan Francisco

Jul 21

SFO8:23 pmSan Francisco

12h 40m

1 stop

DEN10:03 amDenver Intl

$187

United Airlines flights from Colorado to San Francisco Bay Area

Our best United Airlines deals on Colorado to San Francisco Bay Area flight tickets

United Airlines

Jul 2

DRO5:15 amDurango La Plata County

5h 03m

1 stop

SFO9:18 amSan Francisco

Jul 5

SFO5:00 amSan Francisco

6h 28m

1 stop

DRO12:28 pmDurango La Plata County

$308

United Airlines

Aug 26

GJT1:40 pmGrand Junction Regnl

4h 54m

1 stop

SFO5:34 pmSan Francisco

Aug 29

SFO2:20 pmSan Francisco

6h 39m

1 stop

GJT9:59 pmGrand Junction Regnl

$311

United Airlines

Jul 3

DRO6:05 pmDurango La Plata County

5h 51m

1 stop

SFO10:56 pmSan Francisco

Jul 5

SFO6:15 amSan Francisco

5h 13m

1 stop

DRO12:28 pmDurango La Plata County

$329

momondo Fare Finder

Use the filters below to find and compare flights from Colorado to San Francisco Bay Area that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Wed 7/22

7:25 am-8:45 pm

1 stop14h 20m

San Francisco

Tue 7/28

8:23 pm-10:03 am

1 stop12h 40m

$183

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Tue 7/28

10:39 pm-8:45 pm

1 stop23h 06m

San Francisco

Wed 8/12

11:15 am-2:10 pm

1 stop25h 55m

$185

DenverSanta Rosa

DEN - STS

DENSTS

Denver Intl

Tue 8/25

1:43 pm-11:54 pm

1 stop11h 11m

Santa Rosa Sonoma County

Fri 8/28

6:13 am-12:20 pm

1 stop5h 07m

$226

Grand JunctionSan Francisco

GJT - SFO

GJTSFO

Grand Junction Regnl

Wed 6/24

6:55 pm-10:23 pm

1 stop4h 28m

San Francisco

Wed 7/1

3:54 pm-11:43 pm

1 stop6h 49m

$251

Grand JunctionSan Francisco

GJT - SFO

GJTSFO

Grand Junction Regnl

Tue 7/14

7:34 am-3:44 pm

2 stops9h 10m

San Francisco

Sun 7/19

1:20 pm-6:17 pm

1 stop3h 57m

$256

Grand JunctionSan Francisco

GJT - SFO

GJTSFO

Grand Junction Regnl

Wed 6/24

6:55 pm-10:23 pm

1 stop4h 28m

San Francisco

Wed 7/1

3:54 pm-11:43 pm

1 stop6h 49m

$260

Quickest round-trip

DenverOakland

DEN - OAK

DENOAK

Denver Intl

Wed 7/29

8:50 pm-10:30 pm

Nonstop2h 40m

Oakland

Tue 8/11

6:40 pm-10:05 pm

Nonstop2h 25m

$260

Grand JunctionSan Francisco

GJT - SFO

GJTSFO

Grand Junction Regnl

Tue 7/14

7:34 am-3:44 pm

2 stops9h 10m

San Francisco

Sun 7/19

9:20 am-6:17 pm

2 stops7h 57m

$261

DenverOakland

DEN - OAK

DENOAK

Denver Intl

Wed 7/29

6:00 am-9:25 am

1 stop4h 25m

Oakland

Tue 8/11

9:00 am-12:20 pm

Nonstop2h 20m

$270

DenverSanta Rosa

DEN - STS

DENSTS

Denver Intl

Thu 9/24

1:43 pm-11:54 pm

1 stop11h 11m

Santa Rosa Sonoma County

Sun 9/27

6:13 am-12:20 pm

1 stop5h 07m

$271

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Colorado to San Francisco Bay Area

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to San Francisco Bay Area?

In general, October is the cheapest month to fly from Colorado to San Francisco Bay Area. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $299. If you aren’t able to travel to San Francisco Bay Area during the month of October, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $310.

What is the cheapest day to depart on your flight to San Francisco Bay Area?

On average, the least expensive day to fly to San Francisco Bay Area from Colorado is on a Friday. momondo users have found tickets for Friday departures for as low as $324. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Monday is the most expensive day to depart from Colorado because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $542.

What is the cheapest time of day to depart on your flight to San Francisco Bay Area?

Our most recent data shows that the best time of day to fly to San Francisco Bay Area is in the evening. Flights from Colorado to San Francisco Bay Area during this time can be as low as $359. In contrast, the most expensive time of day to depart to San Francisco Bay Area is in the morning when prices are around $415.

What is the cheapest Colorado to San Francisco Bay Area flight route?

Fly from Denver Intl to San Francisco for the best Colorado - San Francisco Bay Area flight prices

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

You are more likely to see cheaper flights to San Francisco Bay Area from Colorado when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco Bay Area for around $276 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco Bay Area from Colorado for as low as $220 on momondo.

What cabin class options are available on Colorado to San Francisco Bay Area flights?

There are 4 cabin classes available to choose from on Colorado to San Francisco Bay Area flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Colorado to San Francisco Bay Area flights?

No. A direct flight is the cheapest option for a flight between Colorado to San Francisco Bay Area.

Cheap Colorado to San Francisco Bay Area flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Colorado to San Francisco Bay Area

Fastest flight time	2h 30m
Direct flights	Every day
Airports in San Francisco Bay Area	6 airports

The fastest flight from Colorado to San Francisco Bay Area takes 2h 30m

Direct flights go from Colorado to San Francisco Bay Area every day.

There are 6 airports in San Francisco Bay Area. From Colorado there are direct flights to Oakland (OAK), San Jose (SJC), San Francisco (SFO).

Search flight deals

Frequently asked questions about flying from Colorado to San Francisco Bay Area

When did momondo last update prices for flights from Colorado to San Francisco Bay Area?
Prices for flights from Colorado to San Francisco Bay Area are refreshed on a daily basis.
How many operators does momondo search for flights from Colorado to San Francisco Bay Area?
The number of operators available for flights from Colorado to San Francisco Bay Area is 6 as of May 2026.
How old do you have to be to fly from Colorado to San Francisco Bay Area?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Colorado to San Francisco Bay Area.
What documentation or ID do you need to fly to San Francisco Bay Area?
The required travel and health documents for your San Francisco Bay Area trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Francisco Bay Area. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Colorado to San Francisco Bay Area?
Based on momondo bookings for flights between Colorado and San Francisco Bay Area, the leading plane model is Airbus A321neo, making up 18.37% of the total bookings. Other popular models include Boeing 737 MAX 8 with 17.00%, Airbus A320neo with 11.82%, and Boeing 737-800 Passenger/BBJ2 (winglets) with 10.09%.

Best airlines flying from Colorado to San Francisco Bay Area

Compare and see reviews for airlines that fly from Colorado to San Francisco Bay Area with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $74	Free Cancellation	Rating 5.6 2,929 reviews	Search Frontier flights
Alaska Airlines	PriceFrom $100	Free Cancellation	Rating 7.9 12,438 reviews	Search Alaska Airlines flights
Delta	PriceFrom $108	Free Cancellation	Rating 7.9 8,415 reviews	Search Delta flights
Southwest	PriceFrom $157	Free Cancellation	Rating 8.0 4,262 reviews	Search Southwest flights
United Airlines	PriceFrom $177	Free Cancellation	Rating 7.4 9,770 reviews	Search United Airlines flights
American Airlines	PriceFrom $211	Free Cancellation	Rating 7.1 11,646 reviews	Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Colorado to San Francisco Bay Area?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Colorado to San Francisco Bay Area for you.

Can I find flights from Colorado to San Francisco Bay Area with flexible booking policies on momondo?

Yes. All flights to San Francisco Bay Area from Colorado on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Colorado to San Francisco Bay Area?

momondo provides multiple filters to help you find the best flight to San Francisco Bay Area from Colorado. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Colorado to San Francisco Bay Area right now. Can momondo alert me if prices change?

Price alerts on flights to San Francisco Bay Area from Colorado are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.