FFL Helper

FFL Helper / San Francisco / Seattle

SFO → SEA

San Francisco (SFO) to Seattle (SEA)

Compare one-way fares for flights from San Francisco to Seattle.

Lowest fare $69
Distance 679 mi
Flight time 21h 6m
Airports SFO–SEA
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By month: October 2026 from $122 · November 2026 from $69

Price calendar

October 2026

From $122 · up to $180

Mon
Tue
Wed
Thu
Fri
Sat
Sun
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24 $163 25 $172 26 $180 27 $151 28 $151 29 $151 30 $151 31 $122

November 2026

From $69 · up to $172

Mon
Tue
Wed
Thu
Fri
Sat
Sun
1
2
3
4
5
6
7
8 $172 9 $143 10 $143 11 $143 12 $143 13 $114 14 $108 15 $108 16 $108 17 $101 18 $69
19
20
21
22
23
24
25
26
27
28
29
30

Upcoming dates

Seattle SEA

$69

Nov 18, 9:27pm · 21h 6m · 1 stop

SFO → SEA · Frontier Airlines

Tickets

Seattle SEA

$101

Nov 17, 9:27pm · 21h 6m · 1 stop

SFO → SEA · Frontier Airlines

Tickets

Seattle SEA

$114

Nov 13, 6:02am · 9h 10m · 1 stop

SFO → SEA · Frontier Airlines

Tickets

Seattle SEA

$122

Oct 31, 6:02am · 9h 10m · 1 stop

SFO → SEA · Frontier Airlines

Tickets

About this route

This calendar shows dated one-way fares from San Francisco to Seattle. Use it to see which days are cheaper before you search tickets.

Flight time and airport codes on this page are for the sample itinerary we have on file. Always confirm the live routing when you book San Francisco to Seattle.