Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Seattle to San Juan from $140

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 San Juan departing on 5/13. 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
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.

Find the cheapest flights from Seattle to San Juan

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Seattle to San Juan.
Spirit Airlines Logo
3:20 pm - 11:31 amSEA-SJU
17h 11m2 stops
Spirit Airlines Logo
12:36 pm - 12:10 amSJU-SEA
14h 34m2 stops
$352Spirit Airlines
Find Deal
Mon, Jun 2 - Sat, Jun 7
American Airlines Logo
11:55 pm - 2:47 pmSEA-SJU
11h 52m2 stops
American Airlines Logo
11:55 am - 11:50 pmSJU-SEA
14h 55m2 stops
$357American Airlines
Find Deal
Tue, Sep 23 - Tue, Sep 30
United Airlines Logo
11:54 pm - 2:44 pmSEA-SJU
11h 50m1 stop
United Airlines Logo
1:05 am - 10:45 amSJU-SEA
12h 40m1 stop
$376United Airlines
Find Deal
Wed, Sep 17 - Tue, Sep 23
United Airlines Logo
11:54 pm - 2:44 pmSEA-SJU
11h 50m1 stop
United Airlines Logo
7:00 am - 8:54 pmSJU-SEA
16h 54m2 stops
$388United Airlines
Find Deal
Mon, Sep 8 - Mon, Sep 22
Southwest Logo
6:45 am - 11:30 pmSEA-SJU
13h 45m2 stops
Southwest Logo
11:10 am - 7:55 pmSJU-SEA
11h 45m2 stops
$427Southwest
Find Deal
Mon, Sep 8 - Mon, Sep 22
Delta Logo
7:33 pm - 1:29 pmSEA-SJU
14h 56m2 stops
Delta Logo
7:30 am - 6:26 pmSJU-SEA
13h 56m2 stops
$435Delta
Find Deal
Fri, Aug 22 - Sat, Aug 30
Southwest Logo
9:10 pm - 1:50 pmSEA-SJU
13h 40m2 stops
Southwest Logo
5:00 am - 3:05 pmSJU-SEA
13h 05m2 stops
$437Southwest
Find Deal
Thu, Sep 11 - Tue, Sep 16
JetBlue Logo
10:40 pm - 12:40 pmSEA-SJU
11h 00m1 stop
JetBlue Logo
11:00 am - 7:58 pmSJU-SEA
11h 58m1 stop
$506JetBlue
Find Deal
Fri, Jun 6 - Fri, Jun 13
JetBlue Logo
10:40 pm - 12:44 pmSEA-SJU
11h 04m1 stop
JetBlue Logo
11:55 am - 8:54 pmSJU-SEA
11h 59m1 stop
$544JetBlue
Find Deal
Fri, May 23 - Thu, May 29
Delta Logo
12:40 am - 4:18 pmSEA-SJU
12h 38m2 stops
Delta Logo
2:28 pm - 12:11 amSJU-SEA
12h 43m1 stop
$546Delta
Find Deal
Mon, Sep 22 - Tue, Sep 30

American Airlines flights from Seattle to San Juan

Our best American Airlines deals on Seattle to San Juan flight tickets
American Airlines
Sep 23
SEA11:55 pmSeattle/Tacoma Intl
11h 52m
2 stops
SJU2:47 pmSan Juan Luis Munoz Marin Intl
Sep 30
SJU11:55 amSan Juan Luis Munoz Marin Intl
14h 55m
2 stops
SEA11:50 pmSeattle/Tacoma Intl
American Airlines
Oct 6
SEA11:07 pmSeattle/Tacoma Intl
14h 13m
1 stop
SJU4:20 pmSan Juan Luis Munoz Marin Intl
Oct 12
SJU6:30 amSan Juan Luis Munoz Marin Intl
19h 44m
1 stop
SEA11:14 pmSeattle/Tacoma Intl
American Airlines
Sep 9
SEA11:55 pmSeattle/Tacoma Intl
11h 52m
2 stops
SJU2:47 pmSan Juan Luis Munoz Marin Intl
Sep 16
SJU8:30 amSan Juan Luis Munoz Marin Intl
19h 03m
1 stop
SEA12:33 amSeattle/Tacoma Intl

Southwest flights from Seattle to San Juan

Our best Southwest deals on Seattle to San Juan flight tickets
Southwest
Sep 8
SEA6:45 amSeattle/Tacoma Intl
13h 45m
2 stops
SJU11:30 pmSan Juan Luis Munoz Marin Intl
Sep 22
SJU11:10 amSan Juan Luis Munoz Marin Intl
11h 45m
2 stops
SEA7:55 pmSeattle/Tacoma Intl
Southwest
Sep 11
SEA9:10 pmSeattle/Tacoma Intl
13h 40m
2 stops
SJU1:50 pmSan Juan Luis Munoz Marin Intl
Sep 16
SJU5:00 amSan Juan Luis Munoz Marin Intl
13h 05m
2 stops
SEA3:05 pmSeattle/Tacoma Intl
Southwest
Aug 30
SEA5:55 pmSeattle/Tacoma Intl
13h 15m
2 stops
SJU10:10 amSan Juan Luis Munoz Marin Intl
Sep 6
SJU11:25 amSan Juan Luis Munoz Marin Intl
13h 05m
2 stops
SEA9:30 pmSeattle/Tacoma Intl

See travel insights to San Juan from

How to get the cheapest flight ticket from Seattle to San Juan

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 typical price of a round-trip flight between Seattle and San Juan?

What is the cheapest month to fly to San Juan?

If you’re not able to fly to San Juan in September, then October is your next best option. Flight prices from Seattle to San Juan during October average around $452.

What is the cheapest day to depart on your flight to San Juan?

The cheapest day to depart from Seattle to San Juan is on a Tuesday when prices can be found for as low as $504. The most expensive day to fly to San Juan is Friday, with ticket prices averaging around $693.

What is the cheapest time of day to depart on your flight to San Juan?

The cheapest time of day to fly to San Juan is at noon when flights can be purchased for as low as $465. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $584 on average. Flights to San Juan from Seattle in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

How far in advance should I book a flight to San Juan?

You are more likely to see cheaper flights to San Juan from Seattle when booking 16 weeks ahead of your departure date. In general, you can expect to find flights to San Juan for around $559 when searching 16 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Juan from Seattle for as low as $448 on momondo.

Cheap Seattle to San Juan flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to San Juan

Best Price Found

$140

Fastest flight time

9h 30m

Direct flights

None

Airports in San Juan

1 airport
The best one-way flight to San Juan from Seattle in the past 72 hours is $140. The best round-trip flight deal from Seattle to San Juan found on momondo in the last 72 hours is $352.
The fastest flight from Seattle to San Juan takes 9h 30m
There are no direct flights from Seattle to San Juan. Popular non-direct route for this connection is Seattle/Tacoma Intl Airport - San Juan Luis Munoz Marin Intl Airport.
There is 1 airport near San Juan: San Juan Luis Munoz Marin Intl (SJU)

  • How far is Seattle/Tacoma Intl to San Juan by plane?

    Seattle/Tacoma Intl and San Juan are 3720.7 mi apart from one another. By plane, this route typically takes 10h 11m.

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

    Prices for flights from Seattle/Tacoma Intl Airport to San Juan were last updated today.

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

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

    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 San Juan.

  • What documentation or ID do you need to fly to San Juan?

    The travel and health documents you'll need for your trip to San Juan 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 San Juan. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.


Best airlines flying from Seattle to San Juan

Compare and see reviews for airlines that fly from Seattle to San Juan with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $233Free CancellationRating
6.3
7,940 reviews
Search Spirit Airlines flights
FrontierPriceFrom $250Free CancellationRating
5.9
3,283 reviews
Search Frontier flights
JetBluePriceFrom $286Free CancellationRating
7.3
2,924 reviews
Search JetBlue flights
American AirlinesPriceFrom $327Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $338Free CancellationRating
7.4
8,685 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $425Free CancellationRating
8.0
9,918 reviews
Search Alaska Airlines flights
Sun Country AirPriceFrom $447Free CancellationRating
6.9
349 reviews
Search Sun Country Air flights
DeltaPriceFrom $452Free CancellationRating
8.0
7,920 reviews
Search Delta flights
SouthwestPriceFrom $569Free CancellationRating
8.0
4,287 reviews
Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to San Juan?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Seattle to San Juan. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Seattle to San Juan with flexible booking policies on momondo?

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

How can momondo help me find flights from Seattle to San Juan?

momondo helps you find the best flight between Seattle and San Juan 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 San Juan right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to San Juan 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 San Juan 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
Mon 4/28
Mon 5/5

Find better results for your trip to Puerto Rico

Fly into one of these airports located in San Juan

Airports listed have a maximum distance of 7.1 mi from San Juan