$91+ 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 5/29. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — DEN
May 23 — May 301
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 September, booked 36 days in advance, depart on a Saturday or Friday 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 April 23, 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 April 23, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 5/256:00 am
SFO
- DEN
Nonstop2h 52m
Frontier
Tue 6/210:29 pm
DEN
- SFO
Nonstop2h 54m
Frontier
Deal found 4/20![Frontier logo]()
$151
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 5/286:00 am
SFO
- DEN
Nonstop2h 52m
Frontier
Sat 6/610:29 pm
DEN
- SFO
Nonstop2h 54m
Frontier
Deal found 4/20![Frontier logo]()
$152
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 5/105:25 pm
SFO
- DEN
1 stop23h 42m
Frontier
Tue 5/199:52 am
DEN
- SFO
Nonstop2h 55m
Frontier
Deal found 4/20![Frontier logo]()
$153
This Frontier deal was found by Cheapflights users on 4/18. 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.
Sun 5/35:45 pm
SFO
- DEN
1 stop9h 30m
Frontier
Sat 5/910:29 pm
DEN
- SFO
Nonstop2h 54m
Frontier
Deal found 4/18![Frontier logo]()
$154
This Kiwi.com deal was found by Cheapflights users on 4/20. 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.
Sat 5/308:56 am
SFO
- DEN
Nonstop2h 54m
Frontier
Mon 6/16:00 am
DEN
- SFO
1 stop12h 57m
Frontier
Deal found 4/20![Frontier logo]()
$155
This Kiwi.com deal was found by Cheapflights users on 4/20. 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.
Sat 5/306:00 am
SFO
- DEN
Nonstop2h 52m
Frontier
Mon 6/86:00 am
DEN
- SFO
1 stop12h 57m
Frontier
Deal found 4/20![Frontier logo]()
$156
This Kiwi.com deal was found by Cheapflights users on 4/19. 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 6/16:00 am
SFO
- DEN
Nonstop2h 52m
Frontier
Tue 6/96:00 am
DEN
- SFO
1 stop13h 22m
Frontier
Deal found 4/19![Frontier logo]()
$157
This Frontier deal was found by Cheapflights users on 4/19. 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 5/2812:52 pm
SFO
- DEN
Nonstop2h 51m
Frontier
Mon 6/16:05 am
DEN
- SFO
Nonstop2h 56m
Frontier
Deal found 4/19![Frontier logo]()
$158
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 5/58:43 pm
SFO
- DEN
1 stop5h 42m
Frontier
Tue 5/1210:39 pm
DEN
- SFO
1 stop22h 04m
Frontier
Deal found 4/21![Frontier logo]()
$159
This Frontier deal was found by Cheapflights users on 4/19. 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.
Tue 5/2610:01 pm
SFO
- DEN
1 stop11h 00m
Frontier
Sat 6/69:52 am
DEN
- SFO
1 stop14h 12m
Frontier
Deal found 4/19![Frontier logo]()
$160
This Frontier deal was found by Cheapflights users on 4/20. 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.
Wed 5/2011:26 am
SFO
- DEN
1 stop11h 43m
Frontier
Wed 5/272:00 pm
DEN
- SFO
1 stop8h 04m
Frontier
Deal found 4/20![Frontier logo]()
$161
This Kiwi.com deal was found by Cheapflights users on 4/22. 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 5/119:56 pm
SFO
- DEN
1 stop11h 05m
Frontier
Thu 5/1410:29 pm
DEN
- SFO
1 stop23h 42m
Frontier
Deal found 4/22![Frontier logo]()
$162
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 April 23, 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 April 23, 2026.
This United Airlines deal was found by Cheapflights users on 4/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/145:00 am
SFO
- DEN
Nonstop2h 40m
United Airlines
Sun 5/175:20 am
DEN
- SFO
Nonstop2h 50m
United Airlines
Deal found 4/22![United Airlines logo]()
$271
This Delta deal was found by Cheapflights users on 4/19. 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.
Mon 6/294:48 pm
SFO
- DEN
1 stop6h 11m
Delta
Wed 7/13:55 pm
DEN
- SFO
1 stop7h 44m
Delta
Deal found 4/19![Delta logo]()
$337
This Alaska Airlines deal was found by Cheapflights users on 4/22. 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 5/410:10 am
SFO
- DEN
1 stop7h 15m
Alaska Airlines
Tue 5/121:02 pm
DEN
- SFO
1 stop5h 19m
Alaska Airlines
Deal found 4/22![Alaska Airlines logo]()
$342
This Southwest deal was found by Cheapflights users on 4/19. 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 6/252:15 pm
SFO
- DEN
1 stop4h 25m
Southwest
Thu 7/26:15 am
DEN
- SFO
2 stops6h 05m
Southwest
Deal found 4/19![Southwest logo]()
$368
This Delta deal was found by Cheapflights users on 4/19. 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.
Sat 6/271:15 pm
SFO
- DEN
1 stop5h 49m
Delta
Wed 7/15:40 am
DEN
- SFO
1 stop7h 27m
Delta
Deal found 4/19![Delta logo]()
$337
This Southwest deal was found by Cheapflights users on 4/20. 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 6/279:15 am
SFO
- DEN
2 stops9h 50m
Southwest
Sat 7/47:55 am
DEN
- SFO
1 stop7h 05m
Southwest
Deal found 4/20![Southwest logo]()
$369
This Delta deal was found by Cheapflights users on 4/19. 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.
Sat 6/272:30 pm
SFO
- DEN
1 stop6h 39m
Delta
Thu 7/25:40 am
DEN
- SFO
1 stop4h 16m
Delta
Deal found 4/19![Delta logo]()
$337
This Southwest deal was found by Cheapflights users on 4/22. 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 5/68:20 am
SFO
- DEN
2 stops7h 45m
Southwest
Thu 5/74:25 pm
DEN
- SFO
1 stop6h 45m
Southwest
Deal found 4/22![Southwest logo]()
$392
This Delta deal was found by Cheapflights users on 4/18. 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.
Wed 7/85:16 pm
SFO
- DEN
1 stop4h 24m
Delta
Sun 7/125:40 am
DEN
- SFO
1 stop4h 11m
Delta
Deal found 4/18![Delta logo]()
$397
This Southwest deal was found by Cheapflights users on 4/22. 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 6/17:25 am
SFO
- DEN
2 stops6h 30m
Southwest
Fri 6/512:35 pm
DEN
- SFO
2 stops6h 20m
Southwest
Deal found 4/22![Southwest logo]()
$399
This Southwest deal was found by Cheapflights users on 4/19. 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 6/155:00 am
SFO
- DEN
2 stops6h 25m
Southwest
Mon 6/226:15 am
DEN
- SFO
2 stops6h 05m
Southwest
Deal found 4/19![Southwest logo]()
$407
This Southwest deal was found by Cheapflights users on 4/19. 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 6/296:05 am
SFO
- DEN
1 stop4h 25m
Southwest
Fri 7/36:15 am
DEN
- SFO
2 stops6h 05m
Southwest
Deal found 4/19![Southwest logo]()
$418
Last-minute flights from San Francisco to DenverDiscover last-minute flight deals from San Francisco to Denver. Data last updated April 23, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Denver. Data last updated April 23, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 4/18. 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.
Sun 5/35:45 pm
SFO
- DEN
1 stop9h 30m
Frontier
Sat 5/910:29 pm
DEN
- SFO
Nonstop2h 54m
Frontier
Deal found 4/18![Frontier logo]()
$154
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 5/58:43 pm
SFO
- DEN
1 stop5h 42m
Frontier
Tue 5/1210:39 pm
DEN
- SFO
1 stop22h 04m
Frontier
Deal found 4/21![Frontier logo]()
$159
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 5/105:25 pm
SFO
- DEN
1 stop23h 42m
Frontier
Tue 5/199:52 am
DEN
- SFO
Nonstop2h 55m
Frontier
Deal found 4/20![Frontier logo]()
$153
This Kiwi.com deal was found by Cheapflights users on 4/22. 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 5/119:56 pm
SFO
- DEN
1 stop11h 05m
Frontier
Thu 5/1410:29 pm
DEN
- SFO
1 stop23h 42m
Frontier
Deal found 4/22![Frontier logo]()
$162
This Frontier deal was found by Cheapflights users on 4/20. 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.
Wed 5/2011:26 am
SFO
- DEN
1 stop11h 43m
Frontier
Wed 5/272:00 pm
DEN
- SFO
1 stop8h 04m
Frontier
Deal found 4/20![Frontier logo]()
$161
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 5/256:00 am
SFO
- DEN
Nonstop2h 52m
Frontier
Wed 6/36:05 am
DEN
- SFO
Nonstop2h 56m
Frontier
Deal found 4/20![Frontier logo]()
$151
This Frontier deal was found by Cheapflights users on 4/19. 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.
Tue 5/2610:01 pm
SFO
- DEN
1 stop11h 00m
Frontier
Sat 6/69:52 am
DEN
- SFO
1 stop14h 12m
Frontier
Deal found 4/19![Frontier logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 5/286:00 am
SFO
- DEN
Nonstop2h 52m
Frontier
Sat 6/610:29 pm
DEN
- SFO
Nonstop2h 54m
Frontier
Deal found 4/20![Frontier logo]()
$152
This Super.com deal was found by Cheapflights users on 4/19. 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.
Thu 5/286:00 am
SFO
- DEN
Nonstop2h 52m
Frontier
Sat 5/306:05 am
DEN
- SFO
Nonstop2h 56m
Frontier
Deal found 4/19![Frontier logo]()
$157
This Frontier deal was found by Cheapflights users on 4/19. 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 5/2812:52 pm
SFO
- DEN
Nonstop2h 51m
Frontier
Wed 6/36:05 am
DEN
- SFO
Nonstop2h 56m
Frontier
Deal found 4/19![Frontier logo]()
$158
This Kiwi.com deal was found by Cheapflights users on 4/20. 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.
Sat 5/308:56 am
SFO
- DEN
Nonstop2h 54m
Frontier
Mon 6/16:00 am
DEN
- SFO
1 stop12h 57m
Frontier
Deal found 4/20![Frontier logo]()
$155
This Kiwi.com deal was found by Cheapflights users on 4/20. 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.
Sat 5/306:00 am
SFO
- DEN
Nonstop2h 52m
Frontier
Sat 6/66:00 am
DEN
- SFO
1 stop12h 57m
Frontier
Deal found 4/20![Frontier logo]()
$156
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 April 23, 2026.
Search for one-way flight options from San Francisco to Denver. Find affordable one-way fares based on user searches. Data last updated April 23, 2026.
This Trip.com deal was found by Cheapflights users on 4/21. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2910:15 pm
SFO
- DEN
1 stop9h 50m
Frontier
Deal found 4/21![Frontier logo]()
$91
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 6/215:16 pm
SFO
- DEN
1 stop6h 13m
Frontier
Deal found 4/20![Frontier logo]()
$92
This Super.com deal was found by Cheapflights users on 4/20. 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.
Mon 5/256:00 am
SFO
- DEN
Nonstop2h 52m
Frontier
Deal found 4/20![Frontier logo]()
$93
This Cheapflightsfares deal was found by Cheapflights users on 4/21. 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 6/136:00 am
SFO
- DEN
Nonstop2h 49m
Frontier
Deal found 4/21![Frontier logo]()
$94
This Super.com deal was found by Cheapflights users on 4/19. 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.
Sun 5/35:45 pm
SFO
- DEN
1 stop9h 30m
Frontier
Deal found 4/19![Frontier logo]()
$95
This Cheapflightsfares deal was found by Cheapflights users on 4/21. 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.
Fri 6/510:40 pm
SFO
- DEN
1 stop9h 58m
Frontier
Deal found 4/21![Frontier logo]()
$96
This Kissandfly.com deal was found by Cheapflights users on 4/20. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2012:33 pm
SFO
- DEN
Nonstop2h 42m
Frontier
Deal found 4/20![Frontier logo]()
$97
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 5/68:28 pm
SFO
- DEN
1 stop5h 57m
Frontier
Deal found 4/21![Frontier logo]()
$98
This Kiwi.com deal was found by Cheapflights users on 4/19. 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 7/145:11 pm
SFO
- DEN
1 stop6h 18m
Frontier
Deal found 4/19![Frontier logo]()
$99
This Cheapflightsfares deal was found by Cheapflights users on 4/21. 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.
Tue 7/710:06 pm
SFO
- DEN
1 stop11h 00m
Frontier
Deal found 4/21![Frontier logo]()
$100
This United Airlines deal was found by Cheapflights users on 4/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/125:00 am
SFO
- DEN
Nonstop2h 40m
United Airlines
Deal found 4/21![United Airlines logo]()
$101
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 April 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $151 (Kiwi.com) |
One-way from | $91 (Trip.com) |
Popular in | March |
Cheapest in | October |
Average price | $288 |
Good round-trip deal | $259 or less |
Good one-way deal | $150 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 April 23, 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
Quickest round-trip
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Thu 5/14
5:00 am-8:40 am
Nonstop2h 40m
Denver Intl
Sun 5/17
5:20 am-7:10 am
Nonstop2h 50m
$271
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Mon 6/29
4:48 pm-11:59 pm
1 stop6h 11m
Denver Intl
Wed 7/1
3:55 pm-10:39 pm
1 stop7h 44m
$337
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Sat 6/27
1:15 pm-8:04 pm
1 stop5h 49m
Denver Intl
Wed 7/1
5:40 am-12:07 pm
1 stop7h 27m
$337
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Sat 6/27
2:30 pm-10:09 pm
1 stop6h 39m
Denver Intl
Thu 7/2
5:40 am-8:56 am
1 stop4h 16m
$337
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Mon 5/4
10:10 am-6:25 pm
1 stop7h 15m
Denver Intl
Tue 5/12
1:02 pm-5:21 pm
1 stop5h 19m
$342
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Thu 6/25
2:15 pm-7:40 pm
1 stop4h 25m
Denver Intl
Thu 7/2
6:15 am-11:20 am
2 stops6h 05m
$368
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Sat 6/27
9:15 am-8:05 pm
2 stops9h 50m
Denver Intl
Sat 7/4
7:55 am-2:00 pm
1 stop7h 05m
$369
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Wed 5/6
8:20 am-5:05 pm
2 stops7h 45m
Denver Intl
Thu 5/7
4:25 pm-10:10 pm
1 stop6h 45m
$392
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Wed 7/8
5:16 pm-10:40 pm
1 stop4h 24m
Denver Intl
Sun 7/12
5:40 am-8:51 am
1 stop4h 11m
$397
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Mon 6/1
7:25 am-2:55 pm
2 stops6h 30m
Denver Intl
Fri 6/5
12:35 pm-5:55 pm
2 stops6h 20m
$399
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 April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- 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?
Use this chart to determine the optimal time to book a round-trip flight from San Francisco to Denver. Price data was last updated on April 17, 2026.
To ensure you get the cheapest price possible for a flight from San Francisco to Denver, you should look to book at least 36 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 $224). Flying from San Francisco to Denver in March is currently the most expensive (average of $312). 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 April 23, 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 32% 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 April 18, 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 17% of weekly flights between San Francisco and Denver have experienced delays in the past year, with the average delay time being 145 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 Sunday 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 April 23, 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.
Entertainment
7.5
Crew
8.6
Boarding
8.1
Overall
8.0
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Crew
8.6
Boarding
8.1
Overall
8.0
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Crew
8.6
Boarding
8.1
Overall
8.0
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Crew
8.6
Boarding
8.1
Overall
8.0
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Crew
8.6
Boarding
8.1
Overall
8.0
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Crew
8.6
Boarding
8.1
Overall
8.0
Comfort
8.0
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
Lakewood
Westminster
Broomfield
Golden
Centennial
Greeley
Lone Tree
Wheat Ridge
Silverthorne
Central City
Cripple Creek
Winter Park
Manitou Springs
Frisco
Englewood
Fort Morgan
Glendale
Evergreen
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for San Francisco to Denver
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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 April 23, 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 April 23, 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 April 23, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 7 airlines flying from San Francisco to Denver
Discover the top 7 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 April 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$79 | Average$208 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$87 | Average$96 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$157 | Average$297 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$176 | Average$508 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$178 | Average$349 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$216 | Average$296 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$226 | Average$337 | FlexibilityNo cancel fee | On-time62% |