Cheap flights from San Francisco
We are watching 130 routes out of San Francisco. The cheapest fare we can vouch for today is €17, and for each one we say whether today is a good moment or you should wait.
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Where to fly from San Francisco
Thu
31 Dec
San Francisco → Los Angeles
Frontier Airlines Based on 1243 observations ✈ Direct
€17
Wed
2 Dec
San Francisco → San Diego
Frontier Airlines Based on 640 observations ✈ Direct
€17
Wed
9 Dec
San Francisco → Ontario
Frontier Airlines Based on 505 observations ✈ Direct
€17
Fri
27 Nov
San Francisco → Phoenix
Frontier Airlines Based on 174 observations ✈ Direct
€20
Sun
17 Jan
San Francisco → Las Vegas
Frontier Airlines Based on 904 observations ✈ Direct
€22
Sat
12 Dec
San Francisco → Houston
Frontier Airlines Based on 91 observations 1 stop
€49
Thu
19 Nov
San Francisco → Portland
Alaska Airlines Based on 95 observations ✈ Direct
€53
Wed
9 Dec
San Francisco → Santa Barbara
United Airlines Based on 66 observations ✈ Direct
€58
Tue
8 Dec
San Francisco → Seattle
Alaska Airlines Based on 152 observations ✈ Direct
€61
Tue
8 Dec
San Francisco → Everett
Alaska Airlines Based on 84 observations ✈ Direct
€61
Fri
15 Jan
San Francisco → Salt Lake City
Frontier Airlines Based on 92 observations 1 stop
€66
Tue
15 Dec
San Francisco → Austin
Frontier Airlines Based on 118 observations 1 stop
€68
Sat
12 Dec
San Francisco → Dallas-Fort Worth
Frontier Airlines Based on 96 observations 1 stop
€69
Mon
14 Dec
San Francisco → Vancouver
Frontier Airlines Based on 169 observations 1 stop
€70
Fri
11 Dec
San Francisco → Chicago
Frontier Airlines Based on 187 observations 1 stop
€76
Thu
21 Jan
San Francisco → Fort Lauderdale
Frontier Airlines Based on 144 observations 2 stops
€88
Wed
30 Dec
San Francisco → Atlanta
Frontier Airlines Based on 80 observations 1 stop
€89
Sat
12 Dec
San Francisco → San Antonio
Frontier Airlines Based on 20 observations 1 stop
€93
Tue
17 Nov
San Francisco → Denver
Frontier Airlines Based on 86 observations 1 stop
€96
Wed
2 Dec
San Francisco → San Jose
Alaska Airlines Based on 55 observations 1 stop
€99
Wed
2 Dec
San Francisco → Oakland
Alaska Airlines Based on 31 observations 1 stop
€99
Tue
8 Dec
San Francisco → New York
Frontier Airlines Based on 572 observations 3 stops
€102
Thu
3 Dec
San Francisco → Baltimore
Frontier Airlines Based on 112 observations 3 stops
€103
Tue
10 Nov
San Francisco → Honolulu
Alaska Airlines Based on 267 observations ✈ Direct
€104
Tue
8 Dec
San Francisco → Boston
Frontier Airlines Based on 131 observations 2 stops
€106
Sat
16 Jan
San Francisco → Miami
Frontier Airlines Based on 287 observations 2 stops
€109
Fri
18 Dec
San Francisco → Charlotte
Frontier Airlines Based on 89 observations 1 stop
€115
Sun
17 Jan
San Francisco → New Orleans
F9 Based on 74 observations 1 stop
€115
Mon
16 Nov
San Francisco → Long Beach
Alaska Airlines Based on 84 observations 1 stop
€117
Sun
6 Dec
San Francisco → Washington
Frontier Airlines Based on 166 observations 2 stops
€120
Fri
27 Nov
San Francisco → Tampa
Frontier Airlines Based on 41 observations 1 stop
€120
Fri
27 Nov
San Francisco → Memphis
Frontier Airlines Based on 29 observations 1 stop
€121
Sat
14 Nov
San Francisco → Fresno
Frontier Airlines Based on 34 observations 1 stop
€127
Thu
26 Nov
San Francisco → Cincinnati / Covington
Breeze Airways Based on 21 observations ✈ Direct
€127
Wed
3 Feb
San Francisco → Mexico City
AA Based on 123 observations 1 stop
€129
Wed
30 Dec
San Francisco → Morelia
Frontier Airlines Based on 26 observations 3 stops
€136
Mon
16 Nov
San Francisco → Columbus
Frontier Airlines Based on 10 observations 1 stop
€137
Tue
10 Nov
San Francisco → Calgary
Frontier Airlines Based on 21 observations 2 stops
€141
Sun
6 Dec
San Francisco → Lihue
Alaska Airlines Based on 49 observations ✈ Direct
€142
Sat
14 Nov
San Francisco → Minneapolis
Sun Country Airlines Based on 58 observations ✈ Direct
€147
Sun
8 Nov
San Francisco → Palm Springs
United Airlines Based on 27 observations ✈ Direct
€148
Fri
13 Nov
San Francisco → Medford
Frontier Airlines Based on 13 observations 1 stop
€151
Thu
31 Dec
San Francisco → Guadalajara
Volaris Based on 82 observations 1 stop
€153
Fri
29 Jan
San Francisco → Bozeman
Alaska Airlines Based on 37 observations 2 stops
€157
Tue
8 Dec
San Francisco → Monterrey
Frontier Airlines Based on 21 observations 1 stop
€158
Sun
6 Dec
San Francisco → Cancún
Frontier Airlines Based on 134 observations 2 stops
€159
Fri
27 Nov
San Francisco → Page
Frontier Airlines Based on 19 observations 1 stop
€161
Fri
8 Jan
San Francisco → Newburgh
Frontier Airlines Based on 88 observations 2 stops
€167
Fri
20 Nov
San Francisco → St Louis
Frontier Airlines Based on 25 observations 1 stop
€175
Tue
10 Nov
San Francisco → Madrid
TAP Portugal Based on 42 observations 1 stop
€179
Fri
13 Nov
San Francisco → Redmond
Frontier Airlines Based on 11 observations 1 stop
€180
Tue
10 Nov
San Francisco → Barcelona
TAP Portugal Based on 71 observations 1 stop
€183
Thu
26 Nov
San Francisco → Paris
TAP Portugal Based on 152 observations 1 stop
€184
Fri
11 Dec
San Francisco → Sint Maarten
Frontier Airlines Based on 16 observations 2 stops
€186
Sat
14 Nov
San Francisco → Philadelphia
Frontier Airlines Based on 95 observations 2 stops
€189
Wed
2 Dec
San Francisco → Guatemala City
Frontier Airlines Based on 32 observations 2 stops
€192
Tue
24 Nov
San Francisco → Richmond
Frontier Airlines Based on 23 observations 3 stops
€192
Sun
29 Nov
San Francisco → Nassau
Frontier Airlines Based on 37 observations 2 stops
€197
Fri
13 Nov
San Francisco → Spokane
American Airlines Based on 10 observations ✈ Direct
€197
Thu
12 Nov
San Francisco → Pittsburgh
American Airlines Based on 14 observations 1 stop
€199
Flights from San Francisco: quick answers
What is the cheapest flight from San Francisco right now?
Los Angeles at €17 one-way, the lowest fare today across the 130 routes we track from San Francisco. Next: San Diego €17, Ontario €17, Phoenix €20.
How far in advance should I book flights from San Francisco?
28–41 days before departure: that has been the cheapest booking window on 29 of the 108 routes from San Francisco where we measured it.
Which airlines have the cheapest flights from San Francisco?
Frontier Airlines has the lowest fare on 63 of the 130 routes we track from San Francisco, then Alaska Airlines (15), TAP Portugal (14), jetBlue (6), American Airlines (5).
How many routes from San Francisco does Piratefly track?
130 routes, with 10,564 fares we have recorded over time.
Booking tips from our fare data
- How far in advance should you book a flight?
- Book 1–1.5 months before departure. Tracking the same flights at every lead time (97,668 flights on 19,841 routes, 2026-06-14 to 2026-11-05), that window had the smallest average premium over each flight's lowest fare: +16.7%, against +49.3% in the last 3 days.
- What is the cheapest day of the week to fly?
- Wednesday. Comparing each fare with the median of its own route, Wednesday departures were +3.5% and Tuesday +4.3%, while Friday was the dearest at +10.5%. Weekend departures cost more than midweek ones.
- What is the cheapest month to fly?
- November 2026. Comparing each route's fares month by month (booked 8–60 days ahead), November 2026 departures were -1.1% against the route's own median, while January 2027 was the dearest at +22.7%. Covers September 2026, October 2026, November 2026, December 2026, January 2027; fares observed 2026-06-14 to 2026-11-05.
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