cached prices · United States fares · USD

Flights from Denver (DEN) to San Francisco (SFO)

The cheapest one-way fare from Denver to San Francisco we have seen is $154 USD, departing Sep 25 (found Sep 19): Frontier F9 3439, Nonstop, 2h45m.

See more dates →

Prices are the cached fare only; baggage and fare rules are shown by the seller.

about this route

Denver to San Francisco in numbers

Every one of the 2 months we hold is priced at $98 USD.

Nonstop fares are held for 3 of the 3 departure dates seen; carriers seen: Frontier, United.

DEN serves Denver, United States; SFO serves San Francisco, United States.

San Francisco runs 1 hour behind Denver.

by month

Cheapest by month

  • Sep 2026

    $98 USD

    checked Sep 25

  • Oct 2026

    $98 USD

    checked Sep 25

by date

Cheapest one-way by date

5 rows held, cheapest first — the cheapest nonstop and the cheapest with stops seen for each departure date.

  • Sep 25 · 22:29 DEN

    F93439Nonstop · 2h45m

    found Sep 19 · baggage and fare rules are shown by the seller — this price is the cached fare only

    $154 USD

    Continue on the seller's site — $154

    a2bflight may earn a commission from the seller if you book after this click; the price you see is the seller's and does not change. How we rank, what we keep.

  • Sep 27 · 09:05 DEN

    F929071 stop · 5h38m

    found Sep 21 · baggage and fare rules are shown by the seller — this price is the cached fare only

    $200 USD

    Continue on the seller's site — $200

    a2bflight may earn a commission from the seller if you book after this click; the price you see is the seller's and does not change. How we rank, what we keep.

  • Sep 27 · 06:55 DEN

    F93435Nonstop · 2h49m

    found Sep 21 · baggage and fare rules are shown by the seller — this price is the cached fare only

    $220 USD

    Continue on the seller's site — $220

    a2bflight may earn a commission from the seller if you book after this click; the price you see is the seller's and does not change. How we rank, what we keep.

  • Sep 26 · 13:10 DEN

    F923411 stop · 22h12m

    found Sep 20 · baggage and fare rules are shown by the seller — this price is the cached fare only

    $334 USD

    Continue on the seller's site — $334

    a2bflight may earn a commission from the seller if you book after this click; the price you see is the seller's and does not change. How we rank, what we keep.

  • Sep 26 · 09:36 DEN

    UA1506Nonstop · 2h47m

    found Sep 20 · baggage and fare rules are shown by the seller — this price is the cached fare only

    $509 USD

    Continue on the seller's site — $509

    a2bflight may earn a commission from the seller if you book after this click; the price you see is the seller's and does not change. How we rank, what we keep.

round trips

Cheapest round trips

The cheapest out-and-back pairs the cache holds, any dates.

  • Oct 10 → Oct 17 · 22:29 DEN

    F93439Nonstop · 5h32m in all, both ways

    found Sep 24 · baggage and fare rules are shown by the seller — this price is the cached fare only

    $159 USD

    Continue on the seller's site — $159

    a2bflight may earn a commission from the seller if you book after this click; the price you see is the seller's and does not change. How we rank, what we keep.

  • Nov 10 → Nov 24 · 22:29 DEN

    F93439Nonstop · 5h31m in all, both ways

    found Sep 24 · baggage and fare rules are shown by the seller — this price is the cached fare only

    $198 USD

    Continue on the seller's site — $198

    a2bflight may earn a commission from the seller if you book after this click; the price you see is the seller's and does not change. How we rank, what we keep.

  • Sep 26 → Sep 27 · 05:00 DEN

    UA2367Nonstop · 5h27m in all, both ways

    found Sep 24 · baggage and fare rules are shown by the seller — this price is the cached fare only

    $328 USD

    Continue on the seller's site — $328

    a2bflight may earn a commission from the seller if you book after this click; the price you see is the seller's and does not change. How we rank, what we keep.

  • Sep 25 → Sep 27 · 21:05 DEN

    UA2123Nonstop · 5h32m in all, both ways

    found Sep 24 · baggage and fare rules are shown by the seller — this price is the cached fare only

    $328 USD

    Continue on the seller's site — $328

    a2bflight may earn a commission from the seller if you book after this click; the price you see is the seller's and does not change. How we rank, what we keep.

carriers

Carriers seen on this corridor

  • Frontier
  • United

Marketing carriers; the operating airline is shown by the seller.

questions

Questions

What is the cheapest fare from Denver to San Francisco?
The cheapest one-way fare from Denver to San Francisco we have seen is $154 USD, departing Sep 25 (found Sep 19): Frontier F9 3439, Nonstop, 2h45m.
Is there a nonstop flight from Denver to San Francisco?
Nonstop fares are held for 3 of the 3 departure dates seen; carriers seen: Frontier, United.
Which month is cheapest to fly from Denver to San Francisco?
Every one of the 2 months we hold is priced at $98 USD.
How old is this price?
It is the cheapest fare we saw for that date. We look again at least once a day for the routes people search, and stop showing a price two days after we last saw it, so a price here can be up to four days old — the date beside it says when that was. The seller's page shows the price right now.
How does a2bflight rank results?
By price and duration only; commission never enters the order. Cheapest means cheapest among what the store holds for this corridor. A click that books may earn a2bflight a commission from the seller; the price you see is the seller's own. See how we rank and what we keep.

more routes

Related routes

Return: Flights from San Francisco (SFO) to Denver (DEN) →Every route from Denver →Every route to San Francisco →

More from Denver

Other destinations with a cached fare from this origin, cheapest first.

More to San Francisco

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