
| Most accurate provider | CheapOair 3 stars | 
|---|---|
| Most trusted provider | CheapOair 3 stars | 
| Round-trip from | $110 (Frontier) | 
| One-way from | $53 (Cheapflightsfares) | 
| Popular in | October | 
| Cheapest in | January | 
| Average price | $287 | 
| Good round-trip deal | $209 or less | 
| Good one-way deal | $143 or less | 
Fly from
Fly to
Route
Depart
Return
Price
San FranciscoPortland
SFO - PDX
SFOPDX
San Francisco
Thu 1/15
2:58 pm-4:50 pm
Nonstop1h 52m
Portland
Mon 1/19
7:20 am-9:11 am
Nonstop1h 51m
San FranciscoPortland
SFO - PDX
SFOPDX
San Francisco
Thu 12/4
6:00 am-11:50 am
1 stop5h 50m
Portland
Mon 12/8
12:45 pm-8:24 pm
1 stop7h 39m
San FranciscoPortland
SFO - PDX
SFOPDX
San Francisco
Tue 12/16
5:20 pm-11:35 pm
1 stop6h 15m
Portland
Tue 12/23
9:50 pm-11:49 pm
Nonstop1h 59m
San FranciscoSeattle
SFO - SEA
SFOSEA
San Francisco
Fri 1/2
5:45 am-8:06 am
Nonstop2h 21m
Seattle/Tacoma Intl
Fri 1/9
7:15 am-9:35 am
Nonstop2h 20m
San FranciscoPortland
SFO - PDX
SFOPDX
San Francisco
Fri 12/12
8:00 am-9:50 am
Nonstop1h 50m
Portland
Wed 12/24
5:50 pm-7:49 pm
Nonstop1h 59m
San FranciscoSeattle
SFO - SEA
SFOSEA
San Francisco
Fri 12/5
9:00 am-11:24 am
Nonstop2h 24m
Seattle/Tacoma Intl
Mon 12/8
5:59 pm-8:15 pm
Nonstop2h 16m
San FranciscoPortland
SFO - PDX
SFOPDX
San Francisco
Wed 12/31
4:57 pm-6:48 pm
Nonstop1h 51m
Portland
Sun 1/4
7:30 am-9:27 am
Nonstop1h 57m
San FranciscoEverett
SFO - PAE
SFOPAE
San Francisco
Sat 12/6
8:55 pm-11:07 pm
Nonstop2h 12m
Everett Paine Field
Tue 12/9
4:29 pm-4:39 pm
1 stop24h 10m
San FranciscoSeattle
SFO - SEA
SFOSEA
San Francisco
Tue 1/13
4:03 pm-10:46 pm
1 stop6h 43m
Seattle/Tacoma Intl
Sun 1/18
3:45 pm-5:59 pm
Nonstop2h 14m
San FranciscoSeattle
SFO - SEA
SFOSEA
San Francisco
Tue 12/2
10:06 am-3:23 pm
1 stop5h 17m
Seattle/Tacoma Intl
Wed 12/3
7:21 pm-9:34 pm
Nonstop2h 13m
Currently, May is the cheapest month in which you can book a flight from San Francisco to State of Washington (average of $76). Flying from San Francisco to State of Washington in December is currently the most expensive (average of $112). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
It’s optimal to fly from San Francisco to State of Washington at noon. By choosing this option you can save up to 14% on the cost of your flight, compared to a flight in the evening.
Travelers seeking maximum savings on their San Francisco to State of Washington flight should consider departing on Wednesday at noon when fares are most often at their lowest. Wednesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Food
Crew
Comfort
Overall
Boarding
Entertainment
Reviews
Hannah,Aug 2025
SFO - SAN
Food
Crew
Comfort
Overall
Boarding
Entertainment
Reviews
Hannah,Aug 2025
SFO - SAN
Food
Crew
Comfort
Overall
Boarding
Entertainment
Reviews
Hannah,Aug 2025
SFO - SAN
Food
Crew
Comfort
Overall
Boarding
Entertainment
Reviews
Hannah,Aug 2025
SFO - SAN
Food
Crew
Comfort
Overall
Boarding
Entertainment
Reviews
Hannah,Aug 2025
SFO - SAN
Food
Crew
Comfort
Overall
Boarding
Entertainment
Reviews
Hannah,Aug 2025
SFO - SAN
| Airline | Cheapest | Average | Flexibility | On-time | 
|---|---|---|---|---|
| Cheapest$81 | Average$201 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$100 | Average$218 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$105 | Average$297 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$105 | Average$235 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$130 | Average$309 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$137 | Average$373 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$220 | Average$374 | FlexibilityNo cancel fee | On-time71% |