To save on the cost of your flight from Seattle to Puerto Rico, book at least 51 days before your planned departure. Booking around this time can save you about 78% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $659 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $872.
Flights from Seattle to Puerto Rico lean towards being more expensive in July. Prices are generally better when you fly from Seattle to Puerto Rico in January, with the cheapest ticket starting at $180.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Puerto Rico as you normally would.
Fly from
Fly to
Budget
$281 - $538
Route
Depart
Return
Price
Seattle/Tacoma IntlSan Juan Luis Munoz Marin Intl
SEA - SJU
SEASJU
Seattle/Tacoma Intl
Sat 8/31
1 stop15h 10m
San Juan Luis Munoz Marin Intl
Wed 9/11
2 stops14h 56m
Seattle/Tacoma IntlSan Juan Luis Munoz Marin Intl
SEA - SJU
SEASJU
Seattle/Tacoma Intl
Fri 9/6
1 stop11h 00m
San Juan Luis Munoz Marin Intl
Wed 9/11
1 stop11h 45m
Seattle/Tacoma IntlSan Juan Luis Munoz Marin Intl
SEA - SJU
SEASJU
Seattle/Tacoma Intl
Fri 6/7
2 stops20h 47m
San Juan Luis Munoz Marin Intl
Mon 6/10
2 stops19h 12m
Seattle/Tacoma IntlSan Juan Luis Munoz Marin Intl
SEA - SJU
SEASJU
Seattle/Tacoma Intl
Sun 6/2
3 stops34h 44m
San Juan Luis Munoz Marin Intl
Tue 6/4
2 stops20h 50m
Seattle/Tacoma IntlSan Juan Luis Munoz Marin Intl
SEA - SJU
SEASJU
Seattle/Tacoma Intl
Sun 6/2
3 stops34h 44m
San Juan Luis Munoz Marin Intl
Tue 6/4
3 stops33h 57m
Seattle/Tacoma IntlSan Juan Luis Munoz Marin Intl
SEA - SJU
SEASJU
Seattle/Tacoma Intl
Fri 9/20
2 stops18h 33m
San Juan Luis Munoz Marin Intl
Wed 9/25
1 stop13h 37m
Seattle/Tacoma IntlSan Juan Luis Munoz Marin Intl
SEA - SJU
SEASJU
Seattle/Tacoma Intl
Sat 8/31
1 stop13h 04m
San Juan Luis Munoz Marin Intl
Wed 9/4
1 stop12h 04m
Seattle/Tacoma IntlSan Juan Luis Munoz Marin Intl
SEA - SJU
SEASJU
Seattle/Tacoma Intl
Wed 6/12
1 stop13h 04m
San Juan Luis Munoz Marin Intl
Sun 6/16
1 stop14h 38m
Seattle/Tacoma IntlSan Juan Luis Munoz Marin Intl
SEA - SJU
SEASJU
Seattle/Tacoma Intl
Fri 7/12
1 stop12h 19m
San Juan Luis Munoz Marin Intl
Sat 8/3
1 stop33h 33m
No data available for this route at this time. Please check back soon.
Overall
Crew
Boarding
Entertainment
Comfort
Food
Reviews
I paid for an aisle seat and found I was bumped to the middle seat. No entertainment at all, bathroom was so tiny, a woman had a hard time in there. Seems it was considered for men only. This was my first time on Alaska airlines. I don’t think I want to fly on Alaska Airlines again.
Overall
Crew
Boarding
Entertainment
Comfort
Food
Reviews
I paid for an aisle seat and found I was bumped to the middle seat. No entertainment at all, bathroom was so tiny, a woman had a hard time in there. Seems it was considered for men only. This was my first time on Alaska airlines. I don’t think I want to fly on Alaska Airlines again.
Overall
Crew
Boarding
Entertainment
Comfort
Food
Reviews
I paid for an aisle seat and found I was bumped to the middle seat. No entertainment at all, bathroom was so tiny, a woman had a hard time in there. Seems it was considered for men only. This was my first time on Alaska airlines. I don’t think I want to fly on Alaska Airlines again.
Overall
Crew
Boarding
Entertainment
Comfort
Food
Reviews
I paid for an aisle seat and found I was bumped to the middle seat. No entertainment at all, bathroom was so tiny, a woman had a hard time in there. Seems it was considered for men only. This was my first time on Alaska airlines. I don’t think I want to fly on Alaska Airlines again.
Overall
Crew
Boarding
Entertainment
Comfort
Food
Reviews
I paid for an aisle seat and found I was bumped to the middle seat. No entertainment at all, bathroom was so tiny, a woman had a hard time in there. Seems it was considered for men only. This was my first time on Alaska airlines. I don’t think I want to fly on Alaska Airlines again.
Overall
Crew
Boarding
Entertainment
Comfort
Food
Reviews
I paid for an aisle seat and found I was bumped to the middle seat. No entertainment at all, bathroom was so tiny, a woman had a hard time in there. Seems it was considered for men only. This was my first time on Alaska airlines. I don’t think I want to fly on Alaska Airlines again.
Cheapflights makes it easy to find Seattle to Puerto Rico flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.
By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Puerto Rico from Seattle.
Users can book flights with no change fees policies with our dedicated filters. Book flights from Seattle to Puerto Rico flexibly with Cheapflights today.
Not ready to book yet? You can track prices for flights from Seattle to Puerto Rico on Cheapflights with our Price Alert feature and get notified when better prices are available.