
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $392 (United Airlines) |
One-way from | $153 (Kiwi.com) |
Popular in | June |
Cheapest in | October |
Average price | $576 |
Fly from
Fly to
Route
Depart
Return
Price
San JoséSeattle
SJO - SEA
SJOSEA
San José Juan Santamaria Intl
Thu 12/25
6:30 am-10:52 pm
1 stop18h 22m
Seattle/Tacoma Intl
Thu 1/1
12:35 pm-6:25 am
2 stops15h 50m
San JoséSeattle
SJO - SEA
SJOSEA
San José Juan Santamaria Intl
Tue 5/5
6:10 am-8:57 pm
2 stops15h 47m
Seattle/Tacoma Intl
Wed 5/13
2:37 pm-9:20 am
2 stops17h 43m
San JoséSeattle
SJO - SEA
SJOSEA
San José Juan Santamaria Intl
Thu 12/25
2:20 pm-10:52 pm
1 stop10h 32m
Seattle/Tacoma Intl
Sat 1/17
7:00 am-12:56 pm
1 stop27h 56m
San JoséSeattle
SJO - SEA
SJOSEA
San José Juan Santamaria Intl
Mon 1/19
6:30 am-9:55 am
2 stops29h 25m
Seattle/Tacoma Intl
Mon 2/2
7:30 pm-8:32 am
1 stop11h 02m
San JoséSeattle
SJO - SEA
SJOSEA
San José Juan Santamaria Intl
Tue 1/20
8:05 pm-8:52 pm
2 stops26h 47m
Seattle/Tacoma Intl
Fri 1/30
8:06 am-8:40 am
3 stops22h 34m
San JoséSeattle
SJO - SEA
SJOSEA
San José Juan Santamaria Intl
Thu 3/5
9:40 am-6:32 pm
1 stop10h 52m
Seattle/Tacoma Intl
Mon 3/9
12:36 pm-7:32 am
1 stop17h 56m
San JoséSeattle
SJO - SEA
SJOSEA
San José Juan Santamaria Intl
Wed 4/22
8:50 am-9:44 pm
1 stop13h 54m
Seattle/Tacoma Intl
Mon 4/27
7:55 pm-8:40 am
2 stops11h 45m
San JoséSeattle
SJO - SEA
SJOSEA
San José Juan Santamaria Intl
Thu 1/15
6:30 am-12:59 am
2 stops20h 29m
Seattle/Tacoma Intl
Thu 1/29
12:57 pm-12:56 pm
2 stops21h 59m
San JoséSeattle
SJO - SEA
SJOSEA
San José Juan Santamaria Intl
Fri 1/9
2:58 pm-9:04 am
2 stops44h 06m
San JoséSeattle
SJO - SEA
SJOSEA
San José Juan Santamaria Intl
Thu 2/5
6:38 am-3:34 pm
1 stop10h 56m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
The price you pay for your flight from San José to Seattle may vary depending on when you book. For the best chance of a lower fare, look to book 39 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Currently, October is the cheapest month in which you can book a flight from San José to Seattle (average of $361). Flying from San José to Seattle in June is currently the most expensive (average of $482). 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 typically best to fly out from San José to Seattle in the afternoon. Doing so could potentially save you 15% on the flight price compared to flying in the evening, which is usually more expensive.
Entertainment
Crew
Boarding
Overall
Food
Comfort
Reviews
Anonymous,Dec 2025
SJC - SEA
Entertainment
Crew
Boarding
Overall
Food
Comfort
Reviews
Anonymous,Dec 2025
SJC - SEA
Entertainment
Crew
Boarding
Overall
Food
Comfort
Reviews
Anonymous,Dec 2025
SJC - SEA
Entertainment
Crew
Boarding
Overall
Food
Comfort
Reviews
Anonymous,Dec 2025
SJC - SEA
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$407 | Average$600 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$426 | Average$527 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$431 | Average$616 | FlexibilityNo cancel fee | On-time75% |