Cheap flights from Seattle to San Francisco (SEA–SFO)
SEASeattle–Tacoma International Airport
United States
United States
SFOSan Francisco International Airport
United States
United States
Alaska Airlines, Delta Air Lines and United Airlines fly Seattle to San Francisco (SEA–SFO) nonstop and back, a great-circle distance of 1,090 km (679 mi).
- From
- SEA
- Seattle
- To
- SFO
- San Francisco
- Nonstop
- Yes · 3 airlines
- Airlines
- AS · DL · UA
- Cheapest fare found
- $77 one-way
- Distance
- 1,090 km (679 mi)
- Most flights
- Alaska Airlines
- Time in the air
- 1h 39m · 1h 35m back
- On time (Touchdown Index)
- 72.5%
- Flights a week
- AS ~58 · DL ~20 · UA ~33
- Aircraft seen
- Boeing 737 Max 9 · Boeing 737-900 · Boeing 737-800
Network data imported from airport and airline sources:· How we verify
Seattle to San Francisco fares by month
Cheapest one-way fare found: $77 for November 2026 on Frontier Airlines (1 stop). Nonstop from $79.
- Oct ’26$79
- Nov ’26$77nonstop $104
- May ’27$165
- Jun ’27$165
Cheapest one-way fares per month of departure in the Aviasales price cache, found . Fares change by the hour: the live fare is shown when you search.
When to fly SEA–SFO
For Seattle–Tacoma (SEA) to San Francisco (SFO), November 2026 had the lowest fare found ($77).
Seattle to San Francisco: frequently asked questions
Fares: Aviasales price cache, 8 October 2026; tracked flights between 6 September and 3 October 2026, from public ADS-B data.
How much is a flight from Seattle–Tacoma (SEA) to San Francisco (SFO)?
From $77 one-way, the cheapest fare found for November 2026 on Frontier Airlines with 1 stop; nonstop from $79 (found 8 October 2026).
How long is the SEA–SFO flight?
1h 39m wheels-up to wheels-down, the median of 445 tracked flights; SFO–SEA took 1h 35m.
Which airlines fly SEA–SFO direct?
Alaska Airlines, Delta Air Lines and United Airlines.
What is the cheapest month to fly SEA–SFO?
November 2026, at $77; the dearest month found was $165.
What is the time difference between Seattle and San Francisco?
None: Seattle and San Francisco keep the same time.
Is SEA–SFO usually on time?
72.5% of 854 SEA–SFO flights landed within 15 minutes of their usual time; 6.3% were over an hour late.
How many SEA–SFO flights a week?
Alaska Airlines 58, Delta Air Lines 20 and United Airlines 33 each way.
What aircraft fly SEA–SFO?
Boeing 737 Max 9, Boeing 737-900 and Boeing 737-800.
San Francisco to Seattle: the return flight (SFO–SEA)
All 3 airlines also fly SFO–SEA nonstop.
The return takes 1h 35m in the air (median of 432 tracked flights).
Airlines flying SEA–SFO nonstop
| Airline | Usually takes off (SEA time) | Type | Alliance | Notes |
|---|---|---|---|---|
 Alaska Airlines AS | 08:53–21:16 | full-service | oneworld | — |
 Delta Air Lines DL | 07:39–21:54 | full-service | SkyTeam | — |
| United Airlines UA | 07:43–19:56 | full-service | Star Alliance | — |
One-stop alternatives to flying SEA–SFO nonstop
One airline on both legs; check it's sold as one ticket.
- Via Portland (PDX) with Alaska Airlines: 1,090 km (680 mi) flown, almost no further than nonstop.
- Via Redmond (RDM) with Alaska Airlines: 1,110 km (690 mi) flown, 2% further than nonstop.
- Via Boise (BOI) with Alaska Airlines: 1,480 km (920 mi) flown, 36% further than nonstop.
- Via Spokane (GEG) with Alaska Airlines: 1,540 km (956 mi) flown, 41% further than nonstop.
SEA–SFO route map
More from Seattle and San Francisco
Other arrivals in United States
Also nonstop from SEA, nearest to SFO first (straight-line distance):
- Oakland (OAK) airport guide · 18 km (11 mi) from SFO
- San Jose (SJC) airport guide · 49 km (30 mi) from SFO
- Santa Rosa (STS) · 106 km (66 mi) from SFO
- Monterey (MRY) · 124 km (77 mi) from SFO
- Sacramento (SMF) airport guide · 138 km (86 mi) from SFO
Explore the airlines’ route maps
- Alaska Airlines route map and destinations
- Delta Air Lines route map and destinations
- United Airlines route map and destinations
Plan your arrival at San Francisco International Airport (SFO)
Departure
Seattle–Tacoma International Airport
Seattle–Tacoma (SEA), Seattle. In our data, 38 airlines fly nonstop from SEA to 136 destinations.
View SEA airport guide →Arrival
San Francisco International Airport
2 ways into San Francisco, fastest from 25 min:
- BART 30–35 min
- Taxi or rideshare 25–45 min
Onward from San Francisco
Places you can't fly to nonstop from SEA, but can from SFO — for a stopover or a second leg.
Related routes
Sources
- en.wikipedia.org — airlines and destinations, checked 2026-10-01
- en.wikipedia.org — airlines and destinations, checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
Flight tracking: adsb.lol community ADS-B data (CC0), 6 September – 3 October 2026. Times are median wheels-up to wheels-down; add taxiing for gate-to-gate.
Report a change — seen something different at the airport or on the airline's site? We re-check and log corrections publicly.