Round-trip from | $346 (United Airlines) |
---|---|
One-way from | $154 (KAYAK) |
Popular in | December |
Cheapest in | September |
Average price | $527 |
Fly from
Fly to
Route
Depart
Return
Price
SeattleSan José
SEA - SJO
SEASJO
Seattle/Tacoma Intl
Tue 9/30
5:31 pm-7:15 am
1 stop12h 44m
San José Juan Santamaria Intl
Tue 10/7
7:55 am-9:53 pm
2 stops14h 58m
SeattleSan José
SEA - SJO
SEASJO
Seattle/Tacoma Intl
Sat 12/6
11:00 pm-1:06 pm
1 stop12h 06m
San José Juan Santamaria Intl
Thu 12/11
7:00 am-5:17 pm
1 stop12h 17m
SeattleSan José
SEA - SJO
SEASJO
Seattle/Tacoma Intl
Sat 11/8
11:10 pm-12:38 am
2 stops23h 28m
San José Juan Santamaria Intl
Fri 11/14
1:55 am-7:58 pm
1 stop20h 03m
SeattleSan José
SEA - SJO
SEASJO
Seattle/Tacoma Intl
Mon 10/20
11:10 pm-12:26 pm
1 stop12h 16m
San José Juan Santamaria Intl
Wed 10/29
11:35 am-12:59 am
2 stops14h 24m
SeattleSan José
SEA - SJO
SEASJO
Seattle/Tacoma Intl
Sun 2/22
7:00 am-11:00 pm
1 stop14h 00m
San José Juan Santamaria Intl
Tue 3/3
2:26 am-5:21 pm
2 stops16h 55m
SeattleSan José
SEA - SJO
SEASJO
Seattle/Tacoma Intl
Sun 2/8
3:35 pm-11:00 pm
1 stop29h 25m
San José Juan Santamaria Intl
Tue 2/17
2:26 am-5:21 pm
2 stops16h 55m
SeattleSan José
SEA - SJO
SEASJO
Seattle/Tacoma Intl
Wed 10/8
6:30 am-7:00 pm
1 stop11h 30m
San José Juan Santamaria Intl
Mon 10/27
1:11 am-2:48 pm
1 stop14h 37m
SeattleSan José
SEA - SJO
SEASJO
Seattle/Tacoma Intl
Tue 10/7
7:50 pm-7:00 pm
2 stops22h 10m
San José Juan Santamaria Intl
Mon 10/27
1:11 am-6:48 pm
2 stops18h 37m
SeattleSan José
SEA - SJO
SEASJO
Seattle/Tacoma Intl
Fri 2/20
7:00 am-11:00 pm
1 stop14h 00m
San José Juan Santamaria Intl
Mon 3/2
2:26 am-5:21 pm
2 stops16h 55m
SeattleSan José
SEA - SJO
SEASJO
Seattle/Tacoma Intl
Fri 2/20
5:30 am-11:00 pm
2 stops15h 30m
San José Juan Santamaria Intl
Tue 3/3
2:26 am-5:21 pm
2 stops16h 55m
The best time to book flights from Seattle to San José, San José Province is 55 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Currently, September is the cheapest month in which you can book a flight from Seattle to San José, San José Province (average of $398). Flying from Seattle to San José, San José Province in March is currently the most expensive (average of $555). 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 Seattle to San José, San José Province at noon. Doing so could potentially save you 6% on the flight price compared to flying in the morning, which is usually more expensive.
Mexico City (MEX) – chosen by Cheapflights users on 50% of 1-stop itineraries from Seattle to San José, San José Province on Cheapflights.
Flights via Los Angeles (LAX) have the shortest average one-way travel time for 1-stop routes: 10h 19m.
Flights via Los Angeles (LAX) have the shortest average one-way travel time for 1-stop routes: 10h 19m.
Flights via Los Angeles (LAX) offer the fastest connection on this route, with an average layover time of 1h 52m.
Boarding
Entertainment
Comfort
Food
Crew
Overall
Reviews
Jonathan,Jul 2025
SEA - BOS
Boarding
Entertainment
Comfort
Food
Crew
Overall
Reviews
Jonathan,Jul 2025
SEA - BOS
Boarding
Entertainment
Comfort
Food
Crew
Overall
Reviews
Jonathan,Jul 2025
SEA - BOS
Boarding
Entertainment
Comfort
Food
Crew
Overall
Reviews
Jonathan,Jul 2025
SEA - BOS
Boarding
Entertainment
Comfort
Food
Crew
Overall
Reviews
Jonathan,Jul 2025
SEA - BOS
Boarding
Entertainment
Comfort
Food
Crew
Overall
Reviews
Jonathan,Jul 2025
SEA - BOS
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$152 | Average$217 | FlexibilityNo cancel fee | On-time71% | |
Cheapest$308 | Average$387 | FlexibilityNo cancel fee | On-time65% | |
Cheapest$393 | Average$687 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$423 | Average$783 | FlexibilityNo cancel fee | On-time70% | |
Cheapest$426 | Average$615 | FlexibilityNo cancel fee | On-time75% | |
Cheapest$452 | Average$623 | FlexibilityNo cancel fee | On-time71% | |
Cheapest$491 | Average$691 | FlexibilityNo cancel fee | On-time69% | |
Cheapest$543 | Average$661 | FlexibilityNo cancel fee | On-time63% | |
Cheapest$709 | Average$987 | FlexibilityNo cancel fee | On-timeN/A |