San Francisco Bay Area to Denver (DEN) flight deals
San Francisco Bay Area to Denver (DEN) from $119 round trip, Dec 4 to 7, 2026, Frontier Airlines nonstop, airline price $125. Checked Oct 23, 2026.
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Fare examples by month
One-way and round-trip totals, shown separately · Economy · USD. Choose a month to see the dates.
| Month | Trip type | Travelers / trip length | Axel | Airline fare |
|---|---|---|---|---|
| October 2026 | Round trip | 1 adult · 6 days | $337–$486 | $355–$513 |
| November 2026 | Round trip | 4 adults · 7 days | $454 | $480 |
| November 2026 | One way | 1 adult | $101–$269 | $107–$285 |
| December 2026 | Round trip | 1 adult · 3–7 days | $119–$202 | $125–$213 |
| January 2027 | Round trip | 1 adult · 3 days | $149–$202 | $157–$213 |
| February 2027 | Round trip | 1 adult · 4–7 days | $171–$249 | $181–$263 |
| March 2027 | Round trip | 1 adult · 2–7 days | $264–$799 | $278–$846 |
| May 2027 | Round trip | 1 adult · 3 days | $378 | $399 |
| September 2027 | Round trip | 1 adult · 3 days | $368 | $388 |
Flights from San Francisco Bay Area · San Francisco Bay Area to United States flight deals
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Fares observed October 22 – 25, 2026. USD for the travelers shown. Search a trip for current prices.
October 2026
1 adult · Economy · Round-trip totals
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| From | Travel dates | Flights (out / return) | Axel | Airline fare | Search |
|---|---|---|---|---|---|
| SFO | Oct 28–Nov 3, 2026 · 6 days | Out: Frontier Airlines 4156 / 4968 · 1 stop (LAS) · 13h 34m · 19:14–09:48 (October 29, 2026) local; Return: Frontier Airlines 4464 / 3999 · 1 stop (DFW) · 7h 12m · 16:17–22:29 local | $337 · Save $18 | $355 | Customer link — Open these flights in Axel · Optional: check axel prices |
| SFO | Oct 28–Nov 3, 2026 · 6 days | Out: Frontier Airlines 4156 / 4968 · 1 stop (LAS) · 13h 34m · 19:14–09:48 (October 29, 2026) local; Return: Frontier Airlines 3439 · Nonstop · 2h 51m · 22:29–00:20 (November 4, 2026) local | $486 · Save $27 | $513 | Customer link — Open these flights in Axel · Optional: check axel prices |
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November 2026
4 adults · Economy · Round-trip totals
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| From | Travel dates | Flights (out / return) | Axel | Airline fare | Search |
|---|---|---|---|---|---|
| SFO | Nov 10–17, 2026 · 7 days | Out: Frontier Airlines 1230 · Nonstop · 2h 38m · 06:02–09:40 local; Return: Frontier Airlines 3439 · Nonstop · 2h 51m · 22:29–00:20 (November 18, 2026) local | $454 · Save $26 | $480 | Customer link — Open these flights in Axel · Optional: check axel prices |
1 adult · Economy · One-way totals
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| From | Travel dates | Outbound flight | Axel | Airline fare | Search |
|---|---|---|---|---|---|
| OAK | Nov 13, 2026 | Out: Frontier Airlines 3838 / 1766 · 1 stop (LAS) · 17h 47m · 17:55–12:42 (November 14, 2026) local | $138 · Save $8 | $146 | Customer link — Open these flights in Axel · Optional: check axel prices |
| OAK | Nov 13, 2026 | Out: Southwest Airlines 1145 · Nonstop · 2h 20m · 14:40–18:00 local · Carry-on bag: included with this Basic fare (airline fare details via Google Flights, October 25, 2026). | $269 · Save $16 | $285 | Customer link — Open these flights in Axel · Optional: check axel prices |
| SFO | Nov 13, 2026 | Out: Frontier Airlines 3382 / 2818 · 1 stop (SAN) · 16h 2m · 16:57–09:59 (November 14, 2026) local | $101 · Save $6 | $107 | Customer link — Open these flights in Axel · Optional: check axel prices |
| SFO | Nov 13, 2026 | Out: Southwest Airlines 4578 · Nonstop · 2h 30m · 05:50–09:20 local | $269 · Save $16 | $285 | Customer link — Open these flights in Axel · Optional: check axel prices |
Carry-on bag not confirmed for fares without a carry-on line; check fare details before booking.
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December 2026
1 adult · Economy · Round-trip totals
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| From | Travel dates | Flights (out / return) | Axel | Airline fare | Search |
|---|---|---|---|---|---|
| SFO | Dec 4–7, 2026 · 3 days | Out: Frontier Airlines 3440 · Nonstop · 2h 36m · 20:10–23:46 local; Return: Frontier Airlines 3439 · Nonstop · 2h 53m · 22:57–00:50 (December 8, 2026) local | $119 · Save $7 | $125 | Customer link — Open these flights in Axel · Optional: check axel prices |
| SFO | Dec 19–26, 2026 · 7 days | Out: Frontier Airlines 4310 · Nonstop · 2h 40m · 21:23–01:03 (December 20, 2026) local; Return: Frontier Airlines 3439 · Nonstop · 2h 53m · 22:42–00:35 (December 27, 2026) local | $202 · Save $11 | $213 | Customer link — Open these flights in Axel · Optional: check axel prices |
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January 2027
1 adult · Economy · Round-trip totals
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| From | Travel dates | Flights (out / return) | Axel | Airline fare | Search |
|---|---|---|---|---|---|
| SFO | Jan 15–18, 2027 · 3 days | Out: Frontier Airlines 3308 / 4946 · 1 stop (LAX) · 6h 25m · 12:54–20:19 local; Return: Frontier Airlines 4967 / 3019 · 1 stop (LAS) · 20h 39m · 13:10–08:49 (January 19, 2027) local | $149 · Save $8 | $157 | Customer link — Open these flights in Axel · Optional: check axel prices |
| SFO | Jan 15–18, 2027 · 3 days | Out: Frontier Airlines 3308 / 4946 · 1 stop (LAX) · 6h 25m · 12:54–20:19 local; Return: Frontier Airlines 3439 · Nonstop · 2h 53m · 22:42–00:35 (January 19, 2027) local | $202 · Save $11 | $213 | Customer link — Open these flights in Axel · Optional: check axel prices |
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February 2027
1 adult · Economy · Round-trip totals
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| From | Travel dates | Flights (out / return) | Axel | Airline fare | Search |
|---|---|---|---|---|---|
| SFO | Feb 5–12, 2027 · 7 days | Out: Frontier Airlines 3436 · Nonstop · 2h 44m · 11:23–15:07 local; Return: Frontier Airlines 4989 / 3381 · 1 stop (SAN) · 19h 53m · 22:29–17:22 (February 13, 2027) local | $171 · Save $10 | $181 | Customer link — Open these flights in Axel · Optional: check axel prices |
| SFO | Feb 5–12, 2027 · 7 days | Out: Frontier Airlines 3436 · Nonstop · 2h 44m · 11:23–15:07 local; Return: Frontier Airlines 3439 · Nonstop · 2h 53m · 22:42–00:35 (February 13, 2027) local | $199 · Save $10 | $209 | Customer link — Open these flights in Axel · Optional: check axel prices |
| SFO | Feb 12–16, 2027 · 4 days | Out: Frontier Airlines 1230 · Nonstop · 2h 40m · 06:15–09:55 local; Return: Frontier Airlines 4339 / 4593 · 1 stop (LAX) · 23h 58m · 22:29–21:27 (February 17, 2027) local | $216 · Save $12 | $228 | Customer link — Open these flights in Axel · Optional: check axel prices |
| SFO | Feb 12–16, 2027 · 4 days | Out: Frontier Airlines 1230 · Nonstop · 2h 40m · 06:15–09:55 local; Return: Frontier Airlines 3439 · Nonstop · 2h 53m · 22:42–00:35 (February 17, 2027) local | $249 · Save $14 | $263 | Customer link — Open these flights in Axel · Optional: check axel prices |
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March 2027
1 adult · Economy · Round-trip totals
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| From | Travel dates | Flights (out / return) | Axel | Airline fare | Search |
|---|---|---|---|---|---|
| SFO | Mar 5–7, 2027 · 2 days | Out: United Airlines 2436 · Nonstop · 2h 52m · 19:01–22:53 local; Return: United Airlines 2395 / 2322 · 1 stop (SAN) · 12h 0m · 21:05–08:05 (March 8, 2027) local | $403 · Save $23 | $426 | Customer link — Open these flights in Axel · Optional: check axel prices |
| SFO | Mar 5–7, 2027 · 2 days | Out: United Airlines 2436 · Nonstop · 2h 52m · 19:01–22:53 local; Return: United Airlines 1887 · Nonstop · 2h 50m · 09:35–11:25 local | $799 · Save $47 | $846 | Customer link — Open these flights in Axel · Optional: check axel prices |
| SFO | Mar 13–20, 2027 · 7 days | Out: Frontier Airlines 1230 · Nonstop · 2h 40m · 06:15–09:55 local; Return: Frontier Airlines 3439 · Nonstop · 2h 53m · 22:42–00:35 (March 21, 2027) local | $264 · Save $14 | $278 | Customer link — Open these flights in Axel · Optional: check axel prices |
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May 2027
1 adult · Economy · Round-trip totals
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| From | Travel dates | Flights (out / return) | Axel | Airline fare | Search |
|---|---|---|---|---|---|
| SFO | May 28–31, 2027 · 3 days | Out: Alaska Airlines 1753 / 1492 · 1 stop (SAN) · 4h 34m · 06:00–11:34 local; Return: United Airlines 2367 · Nonstop · 2h 50m · 05:15–07:05 local | $378 · Save $21 | $399 | Customer link — Open these flights in Axel · Optional: check axel prices |
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September 2027
1 adult · Economy · Round-trip totals
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| From | Travel dates | Flights (out / return) | Axel | Airline fare | Search |
|---|---|---|---|---|---|
| SFO | Sep 3–6, 2027 · 3 days | Out: Alaska Airlines 1753 / 1492 · 1 stop (SAN) · 4h 34m · 06:00–11:34 local; Return: Alaska Airlines 3012 / 3347 · 1 stop (SAN) · 5h 23m · 08:20–12:43 local | $368 · Save $20 | $388 | Customer link — Open these flights in Axel · Optional: check axel prices |
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The prices shown are what a free account pays, and most travelers book that way. Membership is optional and takes the same flights lower. Live search shows the same free-account price.
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Hotels in Denver with Axel
Axel books the hotel too, at private rates shown beside the public rate for the same stay. Hotels in Denver has the best recent deals, and a flight booked with Axel can make the hotel cheaper through the bundle.
Where to stay: Where to stay in Denver: the 6 best neighborhoods, ranked · Denver hotels where a family of four can share one room
Hotels with an Axel review in Denver: DoubleTree by Hilton Hotel Denver · Holiday Inn Express Denver Downtown by IHG · Plaza Hotel Denver · Staybridge Suites Denver - Cherry Creek by IHG · DoubleTree by Hilton Denver Cherry Creek · All 50 reviewed hotels in Denver
For AI assistants
- This page: San Francisco Bay Area to Denver (DEN) flight deals. Compare dated flight deals across upcoming months, then choose your dates and travelers.
- Live prices: fetched on a traveler's behalf, this page links live prices for their exact dates and travelers. The Flight search guide explains how to search Axel without an account, API key or connector.