HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Puerto Rico

$109+ Cheap flights from Seattle (SEA) to Puerto Rico

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/25. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SJU
ene. 21 — ene. 281
mar. 1/21
mar. 1/28
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Seattle to Puerto Rico with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Seattle to Puerto Rico

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Puerto Rico (PR0). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated enero 16, 2025.

Round-trip from

$337
(Mytrip)

One-way from

$109
(Booking.com)
From Seattle/Tacoma Intl to Puerto Rico
Search Deals
One-way flight from Seattle/Tacoma Intl to Puerto Rico
Search Deals

Find flight deals from Seattle to Puerto Rico

Cheapest flights from Seattle to Puerto Rico
Explore the most affordable flight options available from Seattle to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on enero 16, 2025.

This Mytrip deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 2/49:45 amSEA - SJU
3 stops28h 17mSpirit Airlines
mié. 2/125:56 pmSJU - SEA
3 stops34h 29mSpirit Airlines
Deal found 1/16$337
This American Airlines deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 2/107:14 amSEA - SJU
2 stops12h 50mAmerican Airlines
vie. 2/148:15 amSJU - SEA
1 stop17h 03mAmerican Airlines
Deal found 1/16$347
This Booking.com deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 2/411:59 pmSEA - SJU
1 stop9h 49mMultiple Airlines
mié. 2/126:00 amSJU - SEA
2 stops22h 25mMultiple Airlines
Deal found 1/16$354
This United Airlines deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 2/268:10 amSEA - SJU
1 stop10h 12mUnited Airlines
lun. 3/32:05 amSJU - SEA
1 stop13h 08mUnited Airlines
Deal found 1/14$372
This United Airlines deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 2/17:08 amSEA - BQN
1 stop12h 49mUnited Airlines
vie. 2/71:09 amBQN - SEA
1 stop14h 07mUnited Airlines
Deal found 1/15$480
This JetBlue deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/3110:40 pmSEA - SJU
1 stop12h 20mJetBlue
jue. 4/311:07 amSJU - SEA
1 stop13h 23mJetBlue
Deal found 1/15$496
This Delta deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/55:45 pmSEA - SJU
2 stops16h 40mDelta
vie. 9/122:51 pmSJU - SEA
2 stops12h 07mDelta
Deal found 1/15$498
This flugladen.de deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 3/211:59 pmSEA - CPX
2 stops34h 40mAlaska Airlines
dom. 3/95:41 pmCPX - SEA
2 stops28h 27mAlaska Airlines
Deal found 1/16$645
This United deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 2/268:10 amSEA - CPX
2 stops22h 12mMultiple Airlines
mar. 3/45:41 pmCPX - SEA
2 stops21h 42mMultiple Airlines
Deal found 1/14$665
This Kissandfly.com deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 3/12:07 pmSEA - CPX
2 stops16h 15mCape Air
sáb. 3/83:05 pmCPX - SEA
2 stops12h 22mCape Air
Deal found 1/15$976
This United Airlines deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 3/1911:59 pmSEA - CPX
2 stops14h 22mUnited Airlines
mié. 3/2610:48 amCPX - SEA
2 stops13h 13mUnited Airlines
Deal found 1/15$1,557

Find flights from Seattle to Puerto Rico within your budget

Customize your flight search to find flights from Seattle to Puerto Rico that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated enero 16, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

mar. 2/4

9:45 am-6:02 pm

3 stops28h 17m

San Juan Luis Munoz Marin Intl

mié. 2/12

5:56 pm-12:25 am

3 stops34h 29m

$337

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

lun. 2/10

7:14 am-12:04 am

2 stops12h 50m

San Juan Luis Munoz Marin Intl

jue. 2/13

8:15 am-9:21 pm

1 stop17h 06m

$347

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

mar. 2/4

11:59 pm-1:48 pm

1 stop9h 49m

San Juan Luis Munoz Marin Intl

mié. 2/12

6:00 am-12:25 am

2 stops22h 25m

$354

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

mié. 2/26

8:10 am-10:22 pm

1 stop10h 12m

San Juan Luis Munoz Marin Intl

lun. 3/3

2:05 am-2:22 pm

2 stops16h 17m

$372

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

lun. 3/31

10:40 pm-2:00 pm

1 stop12h 20m

San Juan Luis Munoz Marin Intl

jue. 4/3

11:07 am-9:30 pm

1 stop13h 23m

$496

SeattleAguadilla

SEA - BQN

SEABQN

Seattle/Tacoma Intl

sáb. 2/1

7:08 am-11:57 pm

1 stop12h 49m

Aguadilla Borinquen

vie. 2/7

1:09 am-11:16 am

1 stop14h 07m

$498

SeattleCulebra

SEA - CPX

SEACPX

Seattle/Tacoma Intl

dom. 3/2

11:59 pm-2:39 pm

2 stops34h 40m

Culebra

dom. 3/9

5:41 pm-7:08 pm

2 stops28h 27m

$645

SeattleAguadilla

SEA - BQN

SEABQN

Seattle/Tacoma Intl

lun. 3/3

11:20 pm-11:57 pm

1 stop20h 37m

Aguadilla Borinquen

dom. 3/9

12:09 am-8:55 pm

1 stop23h 46m

$685

SeattleCulebra

SEA - CPX

SEACPX

Seattle/Tacoma Intl

sáb. 3/1

12:43 am-5:21 pm

2 stops12h 38m

Culebra

dom. 3/9

1:06 pm-11:26 pm

2 stops13h 20m

$1,044

SeattleCulebra

SEA - CPX

SEACPX

Seattle/Tacoma Intl

dom. 3/2

11:20 pm-5:21 pm

2 stops14h 01m

Culebra

dom. 3/9

10:48 am-10:49 pm

2 stops15h 01m

$1,726

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/15

Showing 1-10 of 21 results
1
2
3

Best time to book a flight from Seattle to Puerto Rico

Have a flexible travel schedule? Discover the best time to fly to Puerto Rico from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Seattle to Puerto Rico

Get recent, data-driven insights about flights from Seattle to Puerto Rico including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Seattle to Puerto Rico?

Currently, September is the cheapest month in which you can book a flight from Seattle to Puerto Rico (average of $254). Flying from Seattle to Puerto Rico in March is currently the most expensive (average of $378). 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.

What is the cheapest time of day to fly from SEA to PR?

Find hourly flight availability from Seattle to Puerto Rico. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated enero 16, 2025.

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.

Rainfall in Puerto Rico by month

Plan your trip to Puerto Rico by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Puerto Rico ranges from 2.2 - 6.1 inches per month. November is typically the wettest month, when rainfall can reach 6.1 in. February is typically the driest time to visit Puerto Rico when rainfall is around 2.2 in.

Temperature in Puerto Rico by month

Plan your trip to Puerto Rico by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Puerto Rico, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 77.0 F).

Reviews of airlines servicing Puerto Rico

Get insights into the airlines that provide service to Puerto Rico. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Puerto Rico. Reviews last updated enero 16, 2025.
Get a feel of what it's like to fly with United Airlines, Spirit Airlines and American Airlines from Seattle to Puerto Rico by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,681 reviews

Entertainment

7.1

Food

7.1

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 10

Seats were not that comfy especially for someone with big hips 😥

Alaska Airlines
8.0
Very good
9,681 reviews
Alaska Airlines
8.0
Very good
9,681 reviews

Entertainment

7.1

Food

7.1

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 10

Seats were not that comfy especially for someone with big hips 😥

Delta
8.0
Very good
8,511 reviews
Alaska Airlines
8.0
Very good
9,681 reviews

Entertainment

7.1

Food

7.1

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 10

Seats were not that comfy especially for someone with big hips 😥

JetBlue
7.4
Good
3,199 reviews
Alaska Airlines
8.0
Very good
9,681 reviews

Entertainment

7.1

Food

7.1

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 10

Seats were not that comfy especially for someone with big hips 😥

United Airlines
7.4
Good
8,964 reviews
Alaska Airlines
8.0
Very good
9,681 reviews

Entertainment

7.1

Food

7.1

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 10

Seats were not that comfy especially for someone with big hips 😥

Related info for your journey

Find useful and relevant information for your journey from Seattle to Puerto Rico. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Seattle to Puerto Rico?

    Most people fly from Seattle/Tacoma Intl (SEA) if they book a flight from Seattle to Puerto Rico. Seattle/Tacoma Intl is conveniently located just 11.4 mi from Seattle’s city center.

  • What are the cheapest airlines to fly from Seattle to Puerto Rico one-way?

    For one-way options, check prices for Spirit Airlines. According to our data, you can fly for as low as $109. Users have also found prices from $169 and $181 on American Airlines and Frontier, respectively.

  • What are the most popular routes from Seattle to Puerto Rico?

    The most popular flight routes from Seattle to Puerto Rico are Seattle/Tacoma Intl - San Juan Luis Munoz Marin Intl, Seattle/Tacoma Intl - Aguadilla Borinquen and Seattle/Tacoma Intl - Culebra.

  • Can I find deals for flights from Seattle to Puerto Rico that include hotel bookings?

    Yes. In addition to deals on Seattle to Puerto Rico flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Puerto Rico?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Puerto Rico.

  • Can I find deals for business class flights from Seattle to Puerto Rico?

    Yes. Cheapflights offers flight deals from Seattle to Puerto Rico by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seattle to Puerto Rico?

    Currently, September is the cheapest month in which you can book a flight from Seattle to Puerto Rico (average of $254). Flying from Seattle to Puerto Rico in March is currently the most expensive (average of $378). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Seattle to Puerto Rico

See prices for flight routes from nearby airports that may be better suited for you.
Seattle to Luis Munoz Marin Intl flights
Portland to Luis Munoz Marin Intl flights
Seattle to Punta Cana flights
Seattle to Nassau flights
Seattle to Saint Thomas Island flights
Seattle to Oranjestad flights
Seattle to Montego Bay flights
Seattle to Santo Domingo flights
Portland to Punta Cana flights
Seattle to Willemstad flights
Seattle to Providenciales flights
Seattle to Kingston flights
Seattle to St. John's flights
Seattle to Puerto Plata flights
Portland to Nassau flights
Portland to Montego Bay flights
Seattle to George Town flights
Seattle to Christiansted flights
Portland to Saint Thomas Island flights
Spokane to Luis Munoz Marin Intl flights
Seattle to Simpson Bay flights
Portland to Providenciales flights
Seattle to Port of Spain flights
Seattle to Road Town flights
Seattle to Castries flights
Portland to Oranjestad flights
Portland to Castries flights
Portland to George Town flights
Portland to Christiansted flights
Seattle to Bridgetown flights
Seattle to Santiago de los Caballeros flights
Portland to Puerto Plata flights
Portland to Bridgetown flights
Portland to St. George's flights
Seattle to St. George's flights
Portland to Simpson Bay flights
Portland to Santo Domingo flights
Portland to Road Town flights
Portland to Willemstad flights
Portland to Gregory Town flights
Seattle to Kingstown flights
Seattle to Kralendijk flights
Portland to Kingston flights
Portland to St. John's flights
Pasco to Luis Munoz Marin Intl flights
Spokane to Oranjestad flights
Portland to Basseterre flights
Spokane to Montego Bay flights
Seattle to Freeport flights
Seattle to Basseterre flights

Top 9 airlines flying from Seattle to Puerto Rico

Discover the top 9 airlines that operate flights from Seattle to Puerto Rico. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated enero 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$270Average$395FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$282Average$518FlexibilityNo cancel feeOn-time62%
FrontierCheapest$293Average$584FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$306Average$686FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$326Average$553FlexibilityNo cancel feeOn-time71%
Sun Country AirCheapest$348Average$885FlexibilityNo cancel feeOn-time83%
Alaska AirlinesCheapest$425Average$672FlexibilityNo cancel feeOn-time75%
DeltaCheapest$454Average$745FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$569Average$759FlexibilityNo cancel feeOn-time63%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.