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Cheap flights from Seattle to San Francisco

One-way from $53, found by travellers in the last 7 days. Aviasales checks the live price.

Departure
Return
Prices for nearby dates
Fri, Nov 13Any priceSat, Nov 14Any priceSun, Nov 15Any priceMon, Nov 16$53Tue, Nov 17Any priceWed, Nov 18Any priceThu, Nov 19Any priceFri, Nov 20Any price

Cheapest one-way tickets

Recent finds on different dates, for 1 adult. Baggage and fare rules are shown on Aviasales, where the price is checked live.

Cheapest
$53
Frontier Airlines, flight F9 4204Found 4 days ago, 1 adult
Check price on Aviasales
9:13pmSeattleMon, Nov 16
Travel time 4h 35m, 1 stopSEASFO
1:48amSan FranciscoTue, Nov 17
$77
Frontier Airlines, flight F9 3406Found 3 days ago, 1 adult
Check price on Aviasales
4:27pmSeattleWed, Nov 11
Travel time 5h 39m, 1 stopSEASFO
10:06pmSan FranciscoWed, Nov 11
$78
Frontier Airlines, flight F9 1178Found 4 days ago, 1 adult
Check price on Aviasales
8:09pmSeattleSat, Nov 7
Travel time 4h 17m, 1 stopSEASFO
12:26amSan FranciscoSun, Nov 8
$122
Frontier Airlines, flight F9 1178Found 2 days ago, 1 adult
Check price on Aviasales
8:09pmSeattleTue, Oct 27
Travel time 4h 19m, 1 stopSEASFO
12:28amSan FranciscoWed, Oct 28
Cheapest nonstop
$126
Alaska Airlines, flight AS 680Found 4 days ago, 1 adult
Check price on Aviasales
3:44pmSeattleTue, Oct 13
Travel time 2h 17m, nonstopSEASFO
6:01pmSan FranciscoTue, Oct 13

Round trips

The cheapest return tickets found recently, price for the whole trip.

Plan the rest of the trip

  • Mobile data in United StatesTravel eSIM from $4, installed before you fly.
    Compare plans
  • Getting from the airportTransfers and car hire in San Francisco, booked ahead at a fixed price.
    See options
  • Things to do in San FranciscoPopular tours from $39 per person.
    See ideas
  • Flight delayed?Delayed or cancelled? See which passenger rights cover this route.
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Price calendar

The lowest one-way fare found for each day over the next 60 days. A dash means no recent fare; you can still pick that day.

October 2026

MoTuWeThFrSaSu1234$3965$2106$2337$2278$3949$19310$15811$14412–13$12614$14115–16–17–18–19–20–21–22–23–24–25–26–27$12228–29–30–31–

November 2026

MoTuWeThFrSaSu1–2–3–4–5–6–7$788–9–10–11$7712–13–14–15–16$5317–18–19–20–21–22–23–24–25–26–27–28–29–30–

December 2026

MoTuWeThFrSaSu1–2–345678910111213141516171819202122232425262728293031
$122 or lessGreen: the cheapest fifth of fares on this route. Lowest in these 60 days: Nov 16, $53.

Lowest fares by month

In the fares found this week, November has the lowest: from $53 one-way, against $156 in February 2027. Pick a month to see its cheapest date.

$0$100$200Oct$53NovDecJanFebMarAprMayJunJulAugSep
Show as a table
MonthCheapest one-wayDateStops
October$122Tue, Oct 271 stop
November$53Mon, Nov 161 stop
December—
January 2027—
February 2027$156Fri, Feb 12Nonstop
March 2027—
April 2027—
May 2027—
June 2027—
July 2027—
August 2027—
September 2027—

Questions travellers ask

What is the cheapest month to fly from Seattle to San Francisco?

In the fares found this week, November has the lowest: from $53 one-way, against $156 in February 2027.

Are there direct flights from Seattle to San Francisco?

Yes. Recent fares include nonstop flights with Alaska Airlines, United Airlines and Southwest Airlines.

How long is the flight from Seattle to San Francisco?

A nonstop flight takes about 2h 10m. The distance is 679 mi.

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