Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Seattle to Puerto Rico from $227

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Puerto Rico departing on 8/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Seattle to Puerto Rico

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
11:16 pm - 2:38 pm
SEA
-
SJU
12h 22m
2 stops
American Airlines Logo
1:38 pm - 11:59 pm
SJU
-
SEA
13h 21m
2 stops
$454American Airlines
mar., ago. 18 - mar., ago. 25
American Airlines Logo
8:21 pm - 4:03 pm
SEA
-
SJU
16h 42m
1 stop
American Airlines Logo
7:00 am - 10:56 pm
SJU
-
SEA
18h 56m
1 stop
$459American Airlines
mié., sep. 2 - mar., sep. 8
American Airlines Logo
11:56 pm - 3:40 pm
SEA
-
SJU
12h 44m
2 stops
American Airlines Logo
6:27 am - 7:48 pm
SJU
-
SEA
16h 21m
2 stops
$479American Airlines
mar., sep. 8 - mar., sep. 22
United Airlines Logo
5:00 am - 8:38 pm
SEA
-
SJU
12h 38m
1 stop
United Airlines Logo
7:00 am - 2:52 pm
SJU
-
SEA
10h 52m
1 stop
$481United Airlines
mar., ago. 4 - mar., sep. 8
United Airlines Logo
7:00 am - 8:38 pm
SEA
-
SJU
10h 38m
1 stop
United Airlines Logo
7:00 am - 8:43 pm
SJU
-
SEA
16h 43m
2 stops
$482United Airlines
mié., ago. 12 - mar., ago. 18
United Airlines Logo
7:00 am - 8:38 pm
SEA
-
SJU
10h 38m
1 stop
United Airlines Logo
7:00 am - 2:52 pm
SJU
-
SEA
10h 52m
1 stop
$483United Airlines
mié., ago. 12 - mar., ago. 18
United Airlines Logo
11:13 pm - 2:44 pm
SEA
-
SJU
12h 31m
1 stop
United Airlines Logo
1:25 pm - 10:59 pm
SJU
-
SEA
12h 34m
1 stop
$484United Airlines
jue., oct. 22 - dom., oct. 25
American Airlines Logo
5:10 am - 11:59 pm
SEA
-
SJU
15h 49m
1 stop
American Airlines Logo
6:00 am - 4:41 pm
SJU
-
SEA
13h 41m
2 stops
$494American Airlines
lun., ago. 10 - lun., ago. 24
American Airlines Logo
8:20 am - 10:57 pm
SEA
-
SJU
11h 37m
1 stop
American Airlines Logo
5:45 am - 10:26 pm
SJU
-
SEA
19h 41m
1 stop
$499American Airlines
mar., jul. 7 - mar., jul. 28
JetBlue Logo
10:19 pm - 6:37 pm
SEA
-
BQN
17h 18m
1 stop
JetBlue Logo
2:38 pm - 10:33 am
BQN
-
SEA
22h 55m
2 stops
$1,000JetBlue
lun., jul. 6 - sáb., jul. 11

American Airlines flights from Seattle to Puerto Rico

Our best American Airlines deals on Seattle to Puerto Rico flight tickets
American Airlines
Sep 2
SEA3:47 pmSeattle/Tacoma Intl
20h 07m
1 stop
SJU2:54 pmSan Juan Luis Munoz Marin Intl
Sep 6
SJU12:55 amSan Juan Luis Munoz Marin Intl
11h 34m
1 stop
SEA9:29 amSeattle/Tacoma Intl
$459
American Airlines
Sep 8
SEA11:56 pmSeattle/Tacoma Intl
12h 44m
2 stops
SJU3:40 pmSan Juan Luis Munoz Marin Intl
Sep 22
SJU6:27 amSan Juan Luis Munoz Marin Intl
16h 21m
2 stops
SEA7:48 pmSeattle/Tacoma Intl
$479
American Airlines
Jul 7
SEA8:20 amSeattle/Tacoma Intl
11h 37m
1 stop
SJU10:57 pmSan Juan Luis Munoz Marin Intl
Jul 28
SJU5:45 amSan Juan Luis Munoz Marin Intl
19h 41m
1 stop
SEA10:26 pmSeattle/Tacoma Intl
$499

Delta flights from Seattle to Puerto Rico

Our best Delta deals on Seattle to Puerto Rico flight tickets
Delta
Sep 6
SEA9:10 amSeattle/Tacoma Intl
10h 19m
1 stop
SJU10:29 pmSan Juan Luis Munoz Marin Intl
Sep 17
SJU12:58 pmSan Juan Luis Munoz Marin Intl
14h 01m
2 stops
SEA11:59 pmSeattle/Tacoma Intl
$550
Delta
Nov 27
SEA6:00 amSeattle/Tacoma Intl
13h 13m
1 stop
SJU11:13 pmSan Juan Luis Munoz Marin Intl
Dec 5
SJU7:15 amSan Juan Luis Munoz Marin Intl
16h 08m
1 stop
SEA7:23 pmSeattle/Tacoma Intl
$560
Delta
Oct 14
SEA9:55 pmSeattle/Tacoma Intl
11h 01m
1 stop
SJU11:56 amSan Juan Luis Munoz Marin Intl
Oct 23
SJU1:06 pmSan Juan Luis Munoz Marin Intl
12h 06m
1 stop
SEA10:12 pmSeattle/Tacoma Intl
$565

momondo Fare Finder

 
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, momondo users made 832,500 searches. Data last updated junio 4, 2026.
Use the filters below to find and compare flights from Seattle to Puerto Rico that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

mar. 8/18

11:16 pm-2:38 pm

2 stops12h 22m

San Juan Luis Munoz Marin Intl

mar. 8/25

1:38 pm-11:59 pm

2 stops13h 21m

$454

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

mié. 9/2

8:21 pm-4:03 pm

1 stop16h 42m

San Juan Luis Munoz Marin Intl

mar. 9/8

7:00 am-10:56 pm

1 stop18h 56m

$459

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

mar. 9/8

11:56 pm-3:40 pm

2 stops12h 44m

San Juan Luis Munoz Marin Intl

mar. 9/22

6:27 am-7:48 pm

2 stops16h 21m

$479

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

mar. 8/4

5:00 am-8:38 pm

1 stop12h 38m

San Juan Luis Munoz Marin Intl

mar. 9/8

7:00 am-2:52 pm

1 stop10h 52m

$481

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

mié. 8/12

7:00 am-8:38 pm

1 stop10h 38m

San Juan Luis Munoz Marin Intl

mar. 8/18

7:00 am-8:43 pm

2 stops16h 43m

$482
Quickest round-trip

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

mié. 8/12

7:00 am-8:38 pm

1 stop10h 38m

San Juan Luis Munoz Marin Intl

mar. 8/18

7:00 am-2:52 pm

1 stop10h 52m

$483

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

jue. 10/22

11:13 pm-2:44 pm

1 stop12h 31m

San Juan Luis Munoz Marin Intl

dom. 10/25

1:25 pm-10:59 pm

1 stop12h 34m

$484

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

lun. 8/10

5:10 am-11:59 pm

1 stop15h 49m

San Juan Luis Munoz Marin Intl

lun. 8/24

6:00 am-4:41 pm

2 stops13h 41m

$494

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

mar. 7/7

8:20 am-10:57 pm

1 stop11h 37m

San Juan Luis Munoz Marin Intl

mar. 7/28

5:45 am-10:26 pm

1 stop19h 41m

$499

SeattleAguadilla

SEA - BQN

SEABQN

Seattle/Tacoma Intl

lun. 7/6

10:19 pm-6:37 pm

1 stop17h 18m

Aguadilla Borinquen

sáb. 7/11

2:38 pm-10:33 am

2 stops22h 55m

$1,000

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Puerto Rico from

How to get the cheapest flight ticket from Seattle to Puerto Rico

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Puerto Rico?

If you don’t want to visit Puerto Rico in May, then you should wait until February to fly from Seattle, when ticket prices are also cheap, with an average price of $182.

How far in advance should I book a flight from Seattle to Puerto Rico?

You are more likely to see cheaper flights to Puerto Rico from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Puerto Rico for around $590 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Puerto Rico from Seattle for as low as $502 on momondo.

Can stopping save me money on Seattle to Puerto Rico flights?

You could potentially save up to 7% on your flight if you consider stops on a Seattle to Puerto Rico flight.

Cheap Seattle to Puerto Rico flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Puerto Rico

Fastest flight time

10h 22m

Direct flights

None
The fastest flight from Seattle to Puerto Rico takes 10h 22m
There are no direct flights from Seattle to Puerto Rico. There are no popular flight routes from Seattle to Puerto Rico.
Search flight deals

Frequently asked questions about flying from Seattle to Puerto Rico

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Puerto Rico?

    Prices for flights from Seattle/Tacoma Intl Airport to Puerto Rico were last updated today.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Puerto Rico?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Puerto Rico?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Puerto Rico.

  • What documentation or ID do you need to fly to Puerto Rico?

    The travel and health documents you'll need for your trip to Puerto Rico may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Puerto Rico. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Seattle to Puerto Rico

Compare and see reviews for airlines that fly from Seattle to Puerto Rico with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $175Free CancellationRating
5.6
2,917 reviews
Search Frontier flights
JetBluePriceFrom $282Free CancellationRating
7.1
2,984 reviews
Search JetBlue flights
DeltaPriceFrom $342Free CancellationRating
7.9
8,395 reviews
Search Delta flights
United AirlinesPriceFrom $363Free CancellationRating
7.4
9,772 reviews
Search United Airlines flights
American AirlinesPriceFrom $365Free CancellationRating
7.1
11,639 reviews
Search American Airlines flights
Sun Country AirPriceFrom $454Free CancellationRating
6.8
333 reviews
Search Sun Country Air flights
SouthwestPriceFrom $494Free CancellationRating
8.0
4,256 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $587Free CancellationRating
7.9
12,464 reviews
Search Alaska Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Puerto Rico?

Finding the right flight to Puerto Rico from Seattle is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Puerto Rico quick and easy, saving you time and money.

Can I find flights from Seattle to Puerto Rico with flexible booking policies on momondo?

All flight searches from Seattle to Puerto Rico on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Seattle to Puerto Rico?

momondo helps you find the best flight between Seattle and Puerto Rico by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Seattle to Puerto Rico right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Puerto Rico from Seattle. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Puerto Rico trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
sáb. 7/4
sáb. 7/11
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Puerto Rico

Popular cities in Puerto Rico

Popular flights according to clicks in the last 7 days on momondo
Flights to San Juanfrom $158
Flights to Aguadillafrom $202
Flights to Poncefrom $197
Flights to Culebrafrom $531
Flights to Mayagüezfrom $444