Cheap flights from San Francisco to Denver from £39
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How much do flights to Denver cost?
Getting from Denver's airport to the city center
Fastest options: RTD A Line train and taxi/ride-hailing. Best value: RTD A Line and regional bus services.
Transport Option | Typical Time | Typical Cost | Frequency | Best For |
|---|---|---|---|---|
37 min | $10.50; one-way fare | every 15 min (traffic dependent) | downtown on a budget | |
50-70 min | $10.50; one-way fare | every 30–60 min (traffic dependent) | Boulder and suburban areas | |
30-50 min | $55 – $70; metered; varies by traffic and destination | on-demand 24/7 (traffic dependent) | door-to-door convenience | |
30-50 min | $40 – $70; surge pricing may apply | on-demand 24/7 (traffic dependent) | flexible pickup locations | |
30-50 min | $70 – $120; pre-booked; varies by provider | by reservation (traffic dependent) | groups and guaranteed pickup | |
30-50 min | $40 – $100; per day; varies by vehicle and provider | on-demand (traffic dependent) | exploring Colorado independently |
Notes:
- Prices in USD; table created in 2025 and subject to change.
- The RTD A Line operates from approximately 4:00 AM to 1:00 AM daily, with reduced frequency during late night hours.
- Ride-hailing pickup is located on Level 5, Island 5 of the Jeppesen Terminal.
- Taxi and ride-hailing costs can increase significantly during peak hours and adverse weather conditions.
- We recommend checking official transport websites for your travel planning.
Updated: December 2025
Key info about flying to Denver
Weekly direct flights
Discover the top airlines offering direct flights from San Francisco to Denver in the next month. You’ll find the number of daily direct flights per airline in the chart.
| Airline | Mon 31.08 | Tue 01.09 | Wed 02.09 | Thu 03.09 | Fri 04.09 | Sat 05.09 | Sun 06.09 |
|---|---|---|---|---|---|---|---|
| --- | --- | --- | --- | --- | --- | --- | |
| --- | --- | --- | --- | 1 | 2 | 2 | |
| Weekly flights: 5 total | Daily flights: 0.71 average | Most flights: Saturday 2 flights |
| Airline | Mon 07.09 | Tue 08.09 | Wed 09.09 | Thu 10.09 | Fri 11.09 | Sat 12.09 | Sun 13.09 |
|---|---|---|---|---|---|---|---|
| --- | --- | --- | 1 | --- | 1 | 1 | |
| 2 | 2 | 2 | 3 | 3 | 2 | 3 | |
| Weekly flights: 20 total | Daily flights: 2.86 average | Most flights: Thursday 3 flights |
| Airline | Mon 14.09 | Tue 15.09 | Wed 16.09 | Thu 17.09 | Fri 18.09 | Sat 19.09 | Sun 20.09 |
|---|---|---|---|---|---|---|---|
| --- | 1 | --- | 9 | 8 | 9 | 9 | |
| 3 | 2 | 2 | 3 | 3 | 2 | 3 | |
| Weekly flights: 54 total | Daily flights: 7.71 average | Most flights: Thursday 9 flights |
| Airline | Mon 21.09 | Tue 22.09 | Wed 23.09 | Thu 24.09 | Fri 25.09 | Sat 26.09 | Sun 27.09 |
|---|---|---|---|---|---|---|---|
| 10 | 9 | 9 | 10 | 8 | 10 | 10 | |
| 3 | 2 | 2 | 3 | 3 | 2 | 3 | |
| Weekly flights: 84 total | Daily flights: 12 average | Most flights: Monday 10 flights |
Check-in for a flight from San Francisco to Denver
| Name | Carrier code | IATA Code | Passport needed during booking |
|---|---|---|---|
| Frontier Airlines | FFT | F9 | No |
| United Airlines | UAL | UA | No |
| Alaska Airlines | ASA | AS | No |
| JetBlue Airways | JBU | B6 | No |
Online check-in is not available for these airlines.
Weather in Denver
Average Weather
| Month | Average monthly max temperature | Average monthly min temperature |
| January | 4°C | -6°C |
| February | 5°C | -6°C |
| March | 10°C | -1°C |
| April | 14°C | 1°C |
| May | 18°C | 6°C |
| June | 26°C | 13°C |
| July | 29°C | 16°C |
| August | 28°C | 15°C |
| September | 25°C | 12°C |
| October | 17°C | 4°C |
| November | 10°C | -1°C |
| December | 5°C | -5°C |
14 day forecast
Denver travel tips
Think twice before renting a car in Denver
It is pretty easy to get around Denver by public transport. Parking in the city is usually paid and quite expensive. If you plan not to travel out of the city a lot, there is no necessity in a car.
Head to Civic Center Park in Denver fasting
When you walk around Civic Center Park in Denver, you are likely to come across plenty of food trucks. BBQ, pizza, sushi and Indian food are available. And, of course, the best tables are on the grass.
Try to avoid two districts in Denver after dark
When walking in Denver in the evening, choose any area, except for Aurora and Colfax Avenue. These areas can be pretty wild sometimes depending on the time of day and how active thieves are. Some locals state being a witness of unpleasant stories in daylight on Colfax.
Frequently asked questions
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