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Cheap flights from Seattle to San Juan from $142

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.
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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.
8:56 pm - 7:40 pmSEA-SJU
19h 44m2 stops
8:45 pm - 2:25 pmSJU-SEA
20h 40m2 stops
$277Spirit Airlines
Find Deal
Mon, Apr 28 - Tue, May 6
7:35 pm - 11:39 pmSEA-SJU
25h 04m2 stops
1:33 am - 12:10 amSJU-SEA
25h 37m2 stops
$286Spirit Airlines
Find Deal
Sun, May 4 - Mon, May 12
2:30 pm - 7:40 pmSEA-SJU
26h 10m3 stops
8:45 pm - 2:25 pmSJU-SEA
20h 40m2 stops
$300Spirit Airlines
Find Deal
Mon, Apr 28 - Tue, May 6
7:34 pm - 2:44 pmSEA-SJU
16h 10m2 stops
3:56 pm - 12:08 amSJU-SEA
11h 12m1 stop
$353United Airlines
Find Deal
Tue, Sep 23 - Tue, Sep 30
7:05 am - 8:38 pmSEA-SJU
10h 33m1 stop
1:05 am - 11:26 amSJU-SEA
13h 21m2 stops
$357United Airlines
Find Deal
Tue, Sep 23 - Mon, Sep 29
5:05 am - 8:10 pmSEA-SJU
12h 05m2 stops
11:55 am - 10:56 pmSJU-SEA
14h 01m2 stops
$392American Airlines
Find Deal
Tue, Sep 9 - Tue, Sep 16
1:29 am - 11:00 pmSEA-SJU
18h 31m1 stop
3:50 pm - 10:51 pmSJU-SEA
10h 01m1 stop
$401American Airlines
Find Deal
Thu, Aug 21 - Sat, Aug 30
10:55 pm - 1:10 pmSEA-SJU
11h 15m1 stop
12:50 pm - 10:22 pmSJU-SEA
12h 32m1 stop
$499Delta
Find Deal
Wed, Apr 23 - Tue, May 6
11:10 pm - 11:40 amSEA-SJU
9h 30m1 stop
12:50 pm - 10:00 pmSJU-SEA
12h 10m1 stop
$505Delta
Find Deal
Mon, May 26 - Thu, Jun 5
11:35 am - 1:29 amSEA-SJU
10h 54m1 stop
11:58 am - 8:54 pmSJU-SEA
11h 56m1 stop
$546JetBlue
Find Deal
Fri, May 2 - Sun, May 11

Spirit Airlines flights from Seattle to San Juan

Our best Spirit Airlines deals on Seattle to San Juan flight tickets
Spirit Airlines
Apr 28
SEA8:56 pmSeattle/Tacoma Intl
19h 44m
2 stops
SJU7:40 pmSan Juan Luis Munoz Marin Intl
May 6
SJU8:45 pmSan Juan Luis Munoz Marin Intl
20h 40m
2 stops
SEA2:25 pmSeattle/Tacoma Intl
Spirit Airlines
May 4
SEA7:35 pmSeattle/Tacoma Intl
25h 04m
2 stops
SJU11:39 pmSan Juan Luis Munoz Marin Intl
May 12
SJU1:33 amSan Juan Luis Munoz Marin Intl
25h 37m
2 stops
SEA12:10 amSeattle/Tacoma Intl
Spirit Airlines
Apr 28
SEA2:30 pmSeattle/Tacoma Intl
26h 10m
3 stops
SJU7:40 pmSan Juan Luis Munoz Marin Intl
May 6
SJU8:45 pmSan Juan Luis Munoz Marin Intl
20h 40m
2 stops
SEA2:25 pmSeattle/Tacoma Intl

United Airlines flights from Seattle to San Juan

Our best United Airlines deals on Seattle to San Juan flight tickets
United Airlines
Sep 23
SEA7:34 pmSeattle/Tacoma Intl
16h 10m
2 stops
SJU2:44 pmSan Juan Luis Munoz Marin Intl
Sep 30
SJU3:56 pmSan Juan Luis Munoz Marin Intl
11h 12m
1 stop
SEA12:08 amSeattle/Tacoma Intl
United Airlines
Sep 23
SEA7:05 amSeattle/Tacoma Intl
10h 33m
1 stop
SJU8:38 pmSan Juan Luis Munoz Marin Intl
Sep 29
SJU1:05 amSan Juan Luis Munoz Marin Intl
13h 21m
2 stops
SEA11:26 amSeattle/Tacoma Intl
United Airlines
Sep 23
SEA11:54 pmSeattle/Tacoma Intl
11h 50m
1 stop
SJU2:44 pmSan Juan Luis Munoz Marin Intl
Sep 29
SJU1:05 amSan Juan Luis Munoz Marin Intl
13h 09m
1 stop
SEA11:14 amSeattle/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 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 $451.

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 $566 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 $458 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

$142

Fastest flight time

9h 10m

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 $142. The best round-trip flight deal from Seattle to San Juan found on momondo in the last 72 hours is $277.
The fastest flight from Seattle to San Juan takes 9h 10m
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 9h 10m.

  • 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
FrontierPriceFrom $199Free CancellationRating
6.0
3,276 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $233Free CancellationRating
6.3
7,881 reviews
Search Spirit Airlines flights
JetBluePriceFrom $286Free CancellationRating
7.3
2,924 reviews
Search JetBlue flights
American AirlinesPriceFrom $326Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $328Free CancellationRating
7.4
8,614 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $425Free CancellationRating
8.0
9,811 reviews
Search Alaska Airlines flights
Sun Country AirPriceFrom $447Free CancellationRating
6.9
349 reviews
Search Sun Country Air flights
DeltaPriceFrom $453Free CancellationRating
8.0
7,899 reviews
Search Delta flights
SouthwestPriceFrom $569Free CancellationRating
8.0
4,275 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.


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Sat 4/5
Sat 4/12

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