$125+ Cheap flights from San Francisco to Denver (SFO - DEN)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/21. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — DEN
Aug 5 — Aug 121
Round-trip
1 adult, Economy
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Find cheap flights from San Francisco to Denver with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from San Francisco to Denver Intl are usually found in October or February, booked 71 days in advance, depart on a Wednesday or Saturday and return on a Friday
Cheap flight deals from San Francisco to Denver
Cheapest
Best
Last-minute
One-way
Cheapest flights from San Francisco to DenverExplore the most affordable flight options available from San Francisco to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 6, 2026.
Explore the most affordable flight options available from San Francisco to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2511:42 am
SFO
- DEN
1 stop5h 58m
Frontier
Tue 9/2912:02 pm
DEN
- SFO
1 stop10h 16m
Frontier
Deal found 7/1![Frontier logo]()
$229
This Kiwi.com deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/76:00 am
SFO
- DEN
Nonstop2h 41m
Frontier
Wed 8/121:18 pm
DEN
- SFO
1 stop6h 00m
Frontier
Deal found 7/3![Frontier logo]()
$231
This Cheapflightsfares deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/259:39 pm
SFO
- DEN
Nonstop2h 50m
Frontier
Mon 7/2710:00 am
DEN
- SFO
1 stop10h 52m
Frontier
Deal found 7/2![Frontier logo]()
$232
This Super.com deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/146:00 am
SFO
- DEN
Nonstop2h 41m
Frontier
Mon 8/173:22 pm
DEN
- SFO
Nonstop2h 47m
Frontier
Deal found 7/3![Frontier logo]()
$233
This Frontier deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/2311:20 am
SFO
- DEN
1 stop9h 21m
Frontier
Tue 7/289:49 am
DEN
- SFO
Nonstop2h 54m
Frontier
Deal found 7/1![Frontier logo]()
$234
This WAYA deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/133:43 pm
SFO
- DEN
1 stop7h 22m
Frontier
Mon 8/171:18 pm
DEN
- SFO
1 stop6h 00m
Frontier
Deal found 7/3![Frontier logo]()
$235
This Frontier deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/292:07 pm
SFO
- DEN
Nonstop2h 40m
Frontier
Fri 10/309:27 am
DEN
- SFO
Nonstop2h 49m
Frontier
Deal found 7/1![Frontier logo]()
$236
This Kiwi.com deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2210:23 pm
SFO
- DEN
1 stop10h 40m
Frontier
Tue 8/412:22 pm
DEN
- SFO
1 stop4h 49m
Frontier
Deal found 7/5![Frontier logo]()
$238
This Kiwi.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/3011:20 am
SFO
- DEN
1 stop5h 40m
Frontier
Mon 8/310:13 pm
DEN
- SFO
1 stop20h 56m
Frontier
Deal found 7/2![Frontier logo]()
$239
This Frontier deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/76:04 pm
SFO
- DEN
Nonstop2h 45m
Frontier
Tue 8/1110:00 am
DEN
- SFO
1 stop6h 20m
Frontier
Deal found 7/3![Frontier logo]()
$240
This Kiwi.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/76:00 am
SFO
- DEN
Nonstop2h 41m
Frontier
Mon 8/106:00 am
DEN
- SFO
1 stop13h 18m
Frontier
Deal found 7/2![Frontier logo]()
$241
Best flights from San Francisco to DenverDiscover carefully curated flight deals from San Francisco to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 6, 2026.
Discover carefully curated flight deals from San Francisco to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 6, 2026.
This Southwest deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/55:50 am
SFO
- DEN
2 stops7h 10m
Southwest
Wed 8/1212:35 pm
DEN
- SFO
2 stops7h 40m
Southwest
Deal found 7/1![Southwest logo]()
$301
This Alaska Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/153:52 pm
SFO
- DEN
2 stops6h 38m
Alaska Airlines
Mon 8/179:08 pm
DEN
- SFO
1 stop13h 12m
Alaska Airlines
Deal found 7/2![Alaska Airlines logo]()
$365
This Delta deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:00 am
SFO
- DEN
1 stop5h 05m
Delta
Tue 10/278:06 am
DEN
- SFO
2 stops9h 59m
Delta
Deal found 7/1![Delta logo]()
$426
This Southwest deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/136:45 am
SFO
- DEN
2 stops6h 45m
Southwest
Mon 8/1712:30 pm
DEN
- SFO
1 stop5h 00m
Southwest
Deal found 7/1![Southwest logo]()
$316
This Southwest deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1811:15 am
SFO
- DEN
1 stop4h 50m
Southwest
Tue 8/259:05 am
DEN
- SFO
2 stops6h 35m
Southwest
Deal found 7/4![Southwest logo]()
$338
This Southwest deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/107:00 am
SFO
- DEN
1 stop5h 55m
Southwest
Fri 8/143:10 pm
DEN
- SFO
2 stops6h 20m
Southwest
Deal found 7/5![Southwest logo]()
$363
This Southwest deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/236:00 am
SFO
- DEN
1 stop4h 35m
Southwest
Thu 12/313:45 pm
DEN
- SFO
2 stops6h 40m
Southwest
Deal found 7/5![Southwest logo]()
$368
This Southwest deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/282:15 pm
SFO
- DEN
2 stops7h 55m
Southwest
Sat 8/17:55 am
DEN
- SFO
2 stops7h 45m
Southwest
Deal found 7/4![Southwest logo]()
$377
This Southwest deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/255:10 am
SFO
- DEN
Nonstop2h 30m
Southwest
Mon 7/276:45 pm
DEN
- SFO
Nonstop2h 40m
Southwest
Deal found 7/5![Southwest logo]()
$377
This Southwest deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/252:00 pm
SFO
- DEN
1 stop5h 15m
Southwest
Mon 9/283:10 pm
DEN
- SFO
2 stops6h 20m
Southwest
Deal found 7/4![Southwest logo]()
$384
This Southwest deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/112:00 pm
SFO
- DEN
1 stop5h 15m
Southwest
Mon 9/143:10 pm
DEN
- SFO
2 stops6h 20m
Southwest
Deal found 7/5![Southwest logo]()
$384
Last-minute flights from San Francisco to DenverDiscover last-minute flight deals from San Francisco to Denver. Data last updated July 6, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Denver. Data last updated July 6, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2210:23 pm
SFO
- DEN
1 stop10h 40m
Frontier
Tue 8/412:22 pm
DEN
- SFO
1 stop4h 49m
Frontier
Deal found 7/5![Frontier logo]()
$238
This Frontier deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/2311:20 am
SFO
- DEN
1 stop9h 21m
Frontier
Tue 7/289:49 am
DEN
- SFO
Nonstop2h 54m
Frontier
Deal found 7/1![Frontier logo]()
$234
This Cheapflightsfares deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/259:39 pm
SFO
- DEN
Nonstop2h 50m
Frontier
Mon 7/2710:00 am
DEN
- SFO
1 stop10h 52m
Frontier
Deal found 7/2![Frontier logo]()
$232
This Kiwi.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/3011:20 am
SFO
- DEN
1 stop5h 40m
Frontier
Mon 8/310:13 pm
DEN
- SFO
1 stop20h 56m
Frontier
Deal found 7/2![Frontier logo]()
$239
This Kiwi.com deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/76:00 am
SFO
- DEN
Nonstop2h 41m
Frontier
Wed 8/121:18 pm
DEN
- SFO
1 stop6h 00m
Frontier
Deal found 7/3![Frontier logo]()
$231
This Frontier deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/76:04 pm
SFO
- DEN
Nonstop2h 45m
Frontier
Tue 8/1110:00 am
DEN
- SFO
1 stop6h 20m
Frontier
Deal found 7/6![Frontier logo]()
$240
This Kiwi.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/79:05 pm
SFO
- DEN
1 stop5h 45m
Frontier
Mon 8/101:18 pm
DEN
- SFO
1 stop6h 00m
Frontier
Deal found 7/2![Frontier logo]()
$241
This WAYA deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/133:43 pm
SFO
- DEN
1 stop7h 22m
Frontier
Mon 8/171:18 pm
DEN
- SFO
1 stop6h 00m
Frontier
Deal found 7/3![Frontier logo]()
$235
This Cheapflightsfares deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/137:04 pm
SFO
- DEN
Nonstop2h 40m
Frontier
Sun 8/1610:51 am
DEN
- SFO
1 stop8h 27m
Frontier
Deal found 7/1![Frontier logo]()
$242
This Super.com deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/146:00 am
SFO
- DEN
Nonstop2h 41m
Frontier
Mon 8/173:22 pm
DEN
- SFO
Nonstop2h 47m
Frontier
Deal found 7/3![Frontier logo]()
$233
This Frontier deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/217:30 pm
SFO
- DEN
Nonstop2h 40m
Frontier
Thu 8/2710:29 pm
DEN
- SFO
Nonstop2h 49m
Frontier
Deal found 7/2![Frontier logo]()
$236
One-way flights from San Francisco to DenverSearch for one-way flight options from San Francisco to Denver. Find affordable one-way fares based on user searches. Data last updated July 6, 2026.
Search for one-way flight options from San Francisco to Denver. Find affordable one-way fares based on user searches. Data last updated July 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/219:00 pm
SFO
- DEN
1 stop5h 48m
Frontier
Deal found 7/1![Frontier logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/165:11 pm
SFO
- DEN
1 stop13h 32m
Frontier
Deal found 7/1![Frontier logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2210:23 pm
SFO
- DEN
1 stop14h 18m
Frontier
Deal found 7/3![Frontier logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/25:11 pm
SFO
- DEN
1 stop13h 32m
Frontier
Deal found 7/3![Frontier logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/305:11 pm
SFO
- DEN
1 stop13h 32m
Frontier
Deal found 7/3![Frontier logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/284:51 pm
SFO
- DEN
1 stop13h 52m
Frontier
Deal found 7/1![Frontier logo]()
$130
This Alaska Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/129:27 am
SFO
- DEN
1 stop8h 59m
Alaska Airlines
Deal found 7/1![Alaska Airlines logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2010:23 pm
SFO
- DEN
2 stops44h 23m
Frontier
Deal found 7/1![Frontier logo]()
$134
This Jettzy deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/76:00 am
SFO
- DEN
Nonstop2h 41m
Frontier
Deal found 7/4![Frontier logo]()
$135
This Alaska Airlines deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/174:31 pm
SFO
- DEN
1 stop5h 59m
Alaska Airlines
Deal found 7/3![Alaska Airlines logo]()
$136
Find flight deals from San Francisco to Denver
Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Denver (DEN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $229 (Kiwi.com) |
One-way from | $125 (Kiwi.com) |
Popular in | June |
Cheapest in | October |
Average price | $310 |
Good round-trip deal | $314 or less |
Good one-way deal | $190 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from San Francisco to Denver that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 6, 2026.
Use the filters below to find and compare flights from San Francisco to Denver that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Wed 8/5
5:50 am-2:00 pm
2 stops7h 10m
Denver Intl
Wed 8/12
12:35 pm-7:15 pm
2 stops7h 40m
$301
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Thu 8/13
6:45 am-2:30 pm
2 stops6h 45m
Denver Intl
Mon 8/17
12:30 pm-4:30 pm
1 stop5h 00m
$316
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Tue 8/18
11:15 am-5:05 pm
1 stop4h 50m
Denver Intl
Tue 8/25
9:05 am-2:40 pm
2 stops6h 35m
$338
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Mon 8/10
7:00 am-1:55 pm
1 stop5h 55m
Denver Intl
Fri 8/14
3:10 pm-8:30 pm
2 stops6h 20m
$363
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Sat 8/15
3:52 pm-11:30 pm
2 stops6h 38m
Denver Intl
Mon 8/17
9:08 pm-9:20 am
1 stop13h 12m
$365
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Wed 12/23
6:00 am-11:35 am
1 stop4h 35m
Denver Intl
Thu 12/31
3:45 pm-9:25 pm
2 stops6h 40m
$368
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Tue 7/28
2:15 pm-11:10 pm
2 stops7h 55m
Denver Intl
Sat 8/1
7:55 am-2:40 pm
2 stops7h 45m
$377
Quickest round-trip
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Sat 7/25
5:10 am-8:40 am
Nonstop2h 30m
Denver Intl
Mon 7/27
6:45 pm-8:25 pm
Nonstop2h 40m
$377
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Fri 9/25
2:00 pm-8:15 pm
1 stop5h 15m
Denver Intl
Mon 9/28
3:10 pm-8:30 pm
2 stops6h 20m
$384
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Fri 9/11
2:00 pm-8:15 pm
1 stop5h 15m
Denver Intl
Mon 9/14
3:10 pm-8:30 pm
2 stops6h 20m
$384
Showing 1-10 of 22 resultsSorted by cheapest first
Compare providers for flights from San Francisco to Denver
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Francisco to Denver in July.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy- | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on San Francisco-Denver flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Francisco-Denver flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Francisco-Denver flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Francisco-Denver flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Francisco-Denver flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from San Francisco to Denver
Have a flexible travel schedule? Discover the best time to fly to Denver from San Francisco with our price prediction graph.
SFO-DEN
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from San Francisco to Denver
Prices
Airlines
Delays
How far ahead should I book a flight from San Francisco to Denver?
To ensure you get the cheapest price possible for a flight from San Francisco to Denver, you should look to book at least 70 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from San Francisco to Denver?
Currently, October is the cheapest month in which you can book a flight from San Francisco to Denver (average of $227). Flying from San Francisco to Denver in June is currently the most expensive (average of $389). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from SFO to DEN?
Find hourly flight availability from San Francisco to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 6, 2026.
One of the essential ways to save on airfare from San Francisco to Denver is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 26% on airfare.
What is the cheapest day to fly from San Francisco to Denver?
Use this chart to determine the cheapest time to fly round-trip from San Francisco to Denver. Price data was last updated on July 4, 2026.
Travelers seeking maximum savings on their San Francisco to Denver flight should consider departing on Friday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
How often are flights from San Francisco to Denver delayed?
About 18% of weekly flights between San Francisco and Denver have experienced delays in the past year, with the average delay time being 144 minutes.
What is the most punctual flight time for San Francisco to Denver flights?
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Saturday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on San Francisco to Denver flights?
Over the last year, United Airlines have had the lowest number of delays on this route, with just 13% of flights being delayed.
The best insider tips for San Francisco to Denver flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your San Francisco to Denver trip
Our travel experts
Reviews of airlines servicing Denver
Get insights into the airlines that provide service to Denver. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Denver. Reviews last updated July 6, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andUnited Airlines from San Francisco to Denver by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Overall
7.9
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Overall
7.9
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Overall
7.9
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Overall
7.9
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Overall
7.9
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Overall
7.9
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Related info for your journey
Find useful and relevant information for your journey from San Francisco to Denver. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Denver?
Book flights to Denver if you plan to visit one of these locationsThornton
Black Hawk
Westminster
Centennial
Lakewood
Broomfield
Golden
Greeley
Lone Tree
Wheat Ridge
Silverthorne
Central City
Fort Morgan
Cripple Creek
Winter Park
Manitou Springs
Frisco
Englewood
Glendale
Evergreen
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Complete your trip
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Other flights to Denver
Explore flights to Denver departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 6, 2026.
Search flights from San Francisco to Denver by cabin class
Find flights from San Francisco to Denver, based on your preferred cabin class, be it economy, premium economy, business, or first class.
San Francisco and Denver flights
Browse other San Francisco and Denver flight options. Last updated on July 6, 2026.
Other flights from San Francisco
Browse through other flights departing from San Francisco. Flights are based on user searches made on Cheapflights and were last updated on July 6, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 5 airlines flying from San Francisco to Denver
Discover the top 5 airlines that operate flights from San Francisco to Denver. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$83 | Average$232 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$157 | Average$333 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$185 | Average$383 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$223 | Average$326 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$226 | Average$342 | FlexibilityNo cancel fee | On-time62% |