Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from San Juan Luis Munoz Marin Intl Airport to Seattle from $138

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from San Juan Luis Munoz Marin Intl Airport to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
JetBlue Logo
10:30 am - 8:48 pmSJU  San Juan Luis Munoz Marin Intl-SEA Seattle/Tacoma Intl
13h 18m1 stop New York John F Kennedy Intl
JetBlue Logo
11:55 pm - 3:14 pmSEA  Seattle/Tacoma Intl-SJU San Juan Luis Munoz Marin Intl
12h 19m1 stop Boston Logan Intl
$296JetBlue
Tue, Oct 20 - Fri, Oct 23
American Airlines Logo
6:30 am - 4:48 pmSJU  San Juan Luis Munoz Marin Intl-SEA Seattle/Tacoma Intl
13h 18m2 stops Miami Dallas/Fort Worth
American Airlines Logo
8:39 pm - 9:46 amSEA  Seattle/Tacoma Intl-SJU San Juan Luis Munoz Marin Intl
10h 07m1 stop Miami
$320American Airlines
Tue, Oct 13 - Tue, Oct 20
American Airlines Logo
3:51 pm - 11:10 pmSJU  San Juan Luis Munoz Marin Intl-SEA Seattle/Tacoma Intl
10h 19m1 stop Charlotte Douglas
American Airlines Logo
10:48 pm - 1:37 pmSEA  Seattle/Tacoma Intl-SJU San Juan Luis Munoz Marin Intl
11h 49m1 stop Philadelphia
$320American Airlines
Wed, Oct 7 - Tue, Oct 13
Southwest Logo
6:10 am - 8:05 pmSJU  San Juan Luis Munoz Marin Intl-SEA Seattle/Tacoma Intl
17h 55m2 stops Baltimore/Washington Phoenix Sky Harbor Intl
Southwest Logo
6:20 pm - 11:40 amSEA  Seattle/Tacoma Intl-SJU San Juan Luis Munoz Marin Intl
13h 20m2 stops Las Vegas Harry Reid Intl Orlando
$489Southwest
Fri, Feb 26 - Fri, Mar 5
Frontier Logo
6:33 am - 9:42 amSJU  San Juan Luis Munoz Marin Intl-SEA Seattle/Tacoma Intl
30h 09m2 stops Atlanta Hartsfield-Jackson Las Vegas Harry Reid Intl
Frontier Logo
4:27 pm - 3:19 pmSEA  Seattle/Tacoma Intl-SJU San Juan Luis Munoz Marin Intl
43h 52m2 stops Denver Intl Atlanta Hartsfield-Jackson
$500Frontier
Wed, Sep 23 - Sat, Oct 3
Southwest Logo
6:30 am - 6:10 pmSJU  San Juan Luis Munoz Marin Intl-SEA Seattle/Tacoma Intl
14h 40m2 stops Orlando Austin Bergstrom
Southwest Logo
9:00 am - 12:25 amSEA  Seattle/Tacoma Intl-SJU San Juan Luis Munoz Marin Intl
12h 25m2 stops Austin Bergstrom Orlando
$514Southwest
Thu, Oct 15 - Mon, Oct 19
Frontier Logo
6:33 am - 9:42 amSJU  San Juan Luis Munoz Marin Intl-SEA Seattle/Tacoma Intl
30h 09m2 stops Atlanta Hartsfield-Jackson Las Vegas Harry Reid Intl
Frontier Logo
4:27 pm - 3:19 pmSEA  Seattle/Tacoma Intl-SJU San Juan Luis Munoz Marin Intl
43h 52m2 stops Denver Intl Atlanta Hartsfield-Jackson
$522Frontier
Wed, Sep 23 - Sat, Oct 3
Delta Logo
7:45 am - 3:21 pmSJU  San Juan Luis Munoz Marin Intl-SEA Seattle/Tacoma Intl
11h 36m1 stop New York John F Kennedy Intl
Delta Logo
11:15 pm - 2:04 pmSEA  Seattle/Tacoma Intl-SJU San Juan Luis Munoz Marin Intl
10h 49m1 stop Detroit Metropolitan Wayne County
$534Delta
Sat, Nov 7 - Tue, Nov 17
Delta Logo
7:45 am - 8:50 pmSJU  San Juan Luis Munoz Marin Intl-SEA Seattle/Tacoma Intl
17h 05m2 stops New York John F Kennedy Intl Minneapolis St Paul
Delta Logo
7:55 pm - 12:55 pmSEA  Seattle/Tacoma Intl-SJU San Juan Luis Munoz Marin Intl
13h 00m2 stops Salt Lake City New York John F Kennedy Intl
$534Delta
Tue, Nov 3 - Sun, Nov 15
JetBlue Logo
6:00 am - 8:44 pmSJU  San Juan Luis Munoz Marin Intl-SEA Seattle/Tacoma Intl
17h 44m1 stop New York John F Kennedy Intl
JetBlue Logo
9:40 pm - 4:12 pmSEA  Seattle/Tacoma Intl-SJU San Juan Luis Munoz Marin Intl
15h 32m1 stop New York John F Kennedy Intl
$633JetBlue
Fri, Oct 2 - Sat, Oct 3

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

Southwest flights from San Juan Luis Munoz Marin Intl Airport to Seattle

Our best Southwest deals on San Juan Luis Munoz Marin Intl Airport to Seattle flight tickets
Southwest
Feb 26
SJU6:10 amSan Juan Luis Munoz Marin Intl
17h 55m
2 stops
SEA8:05 pmSeattle/Tacoma Intl
Mar 5
SEA6:20 pmSeattle/Tacoma Intl
13h 20m
2 stops
SJU11:40 amSan Juan Luis Munoz Marin Intl
$489
Southwest
Oct 6
SJU6:35 amSan Juan Luis Munoz Marin Intl
15h 30m
2 stops
SEA7:05 pmSeattle/Tacoma Intl
Oct 13
SEA8:55 amSeattle/Tacoma Intl
11h 55m
2 stops
SJU11:50 pmSan Juan Luis Munoz Marin Intl
$514
Southwest
Dec 2
SJU12:30 pmSan Juan Luis Munoz Marin Intl
14h 00m
2 stops
SEA10:30 pmSeattle/Tacoma Intl
Dec 6
SEA6:35 pmSeattle/Tacoma Intl
13h 05m
2 stops
SJU11:40 amSan Juan Luis Munoz Marin Intl
$520

Frontier flights from San Juan Luis Munoz Marin Intl Airport to Seattle

Our best Frontier deals on San Juan Luis Munoz Marin Intl Airport to Seattle flight tickets
Frontier
Sep 23
SJU6:33 amSan Juan Luis Munoz Marin Intl
30h 09m
2 stops
SEA9:42 amSeattle/Tacoma Intl
Oct 3
SEA4:27 pmSeattle/Tacoma Intl
43h 52m
2 stops
SJU3:19 pmSan Juan Luis Munoz Marin Intl
$500
Frontier
Sep 23
SJU6:33 amSan Juan Luis Munoz Marin Intl
30h 09m
2 stops
SEA9:42 amSeattle/Tacoma Intl
Oct 3
SEA4:27 pmSeattle/Tacoma Intl
43h 52m
2 stops
SJU3:19 pmSan Juan Luis Munoz Marin Intl
$522
Frontier
Sep 23
SJU6:33 amSan Juan Luis Munoz Marin Intl
39h 03m
2 stops
SEA6:36 pmSeattle/Tacoma Intl
Oct 3
SEA8:15 pmSeattle/Tacoma Intl
16h 51m
2 stops
SJU4:06 pmSan Juan Luis Munoz Marin Intl
$540

momondo Fare Finder

 
Use the filters below to find and compare flights from San Juan Luis Munoz Marin Intl Airport to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San JuanSeattle

SJU San Juan Luis Munoz Marin Intl - SEA Seattle/Tacoma Intl

SJUSEA

San Juan Luis Munoz Marin Intl

Tue 10/20

10:30 am-8:48 pm

1 stop13h 18m

Seattle/Tacoma Intl

Fri 10/23

11:55 pm-3:14 pm

1 stop12h 19m

$296

San JuanSeattle

SJU San Juan Luis Munoz Marin Intl - SEA Seattle/Tacoma Intl

SJUSEA

San Juan Luis Munoz Marin Intl

Tue 10/13

6:30 am-4:48 pm

2 stops13h 18m

Seattle/Tacoma Intl

Tue 10/20

8:39 pm-9:46 am

1 stop10h 07m

$320
Quickest round-trip

San JuanSeattle

SJU San Juan Luis Munoz Marin Intl - SEA Seattle/Tacoma Intl

SJUSEA

San Juan Luis Munoz Marin Intl

Wed 10/7

3:51 pm-11:10 pm

1 stop10h 19m

Seattle/Tacoma Intl

Tue 10/13

10:48 pm-1:37 pm

1 stop11h 49m

$320

San JuanSeattle

SJU San Juan Luis Munoz Marin Intl - SEA Seattle/Tacoma Intl

SJUSEA

San Juan Luis Munoz Marin Intl

Fri 2/26

6:10 am-8:05 pm

2 stops17h 55m

Seattle/Tacoma Intl

Fri 3/5

6:20 pm-11:40 am

2 stops13h 20m

$489

San JuanSeattle

SJU San Juan Luis Munoz Marin Intl - SEA Seattle/Tacoma Intl

SJUSEA

San Juan Luis Munoz Marin Intl

Wed 9/23

6:33 am-9:42 am

2 stops30h 09m

Seattle/Tacoma Intl

Sat 10/3

4:27 pm-3:19 pm

2 stops43h 52m

$500

San JuanSeattle

SJU San Juan Luis Munoz Marin Intl - SEA Seattle/Tacoma Intl

SJUSEA

San Juan Luis Munoz Marin Intl

Thu 10/15

6:30 am-6:10 pm

2 stops14h 40m

Seattle/Tacoma Intl

Mon 10/19

9:00 am-12:25 am

2 stops12h 25m

$514

San JuanSeattle

SJU San Juan Luis Munoz Marin Intl - SEA Seattle/Tacoma Intl

SJUSEA

San Juan Luis Munoz Marin Intl

Wed 9/23

6:33 am-9:42 am

2 stops30h 09m

Seattle/Tacoma Intl

Sat 10/3

4:27 pm-3:19 pm

2 stops43h 52m

$522

San JuanSeattle

SJU San Juan Luis Munoz Marin Intl - SEA Seattle/Tacoma Intl

SJUSEA

San Juan Luis Munoz Marin Intl

Sat 11/7

7:45 am-3:21 pm

1 stop11h 36m

Seattle/Tacoma Intl

Tue 11/17

11:15 pm-2:04 pm

1 stop10h 49m

$534

San JuanSeattle

SJU San Juan Luis Munoz Marin Intl - SEA Seattle/Tacoma Intl

SJUSEA

San Juan Luis Munoz Marin Intl

Tue 11/3

7:45 am-8:50 pm

2 stops17h 05m

Seattle/Tacoma Intl

Sun 11/15

7:55 pm-12:55 pm

2 stops13h 00m

$534

San JuanSeattle

SJU San Juan Luis Munoz Marin Intl - SEA Seattle/Tacoma Intl

SJUSEA

San Juan Luis Munoz Marin Intl

Fri 10/2

6:00 am-8:44 pm

1 stop17h 44m

Seattle/Tacoma Intl

Sat 10/3

9:40 pm-4:12 pm

1 stop15h 32m

$633

Flights are sorted by cheapest round-trip flights first.

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

See travel insights to Seattle from

How to get the cheapest flight ticket from San Juan Luis Munoz Marin Intl Airport to Seattle

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 San Juan Luis Munoz Marin Intl Airport and Seattle?

Prices are currently low for flights on this route.

Typical prices usually range from $454 to $554.
The lowest price recently found on this route was $296.

What is the cheapest month to fly to Seattle?

In general, February is the cheapest month to fly from San Juan Luis Munoz Marin Intl Airport to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $384. If you don’t want to visit Seattle in February, then you should wait until January to fly from San Juan Luis Munoz Marin Intl Airport, when ticket prices are also cheap, with an average price of $429.

How far in advance should I book a flight from San Juan Luis Munoz Marin Intl Airport to Seattle?

You are more likely to see cheaper flights to Seattle from San Juan Luis Munoz Marin Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $535 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from San Juan Luis Munoz Marin Intl Airport for as low as $527 on momondo.

Can stopping save me money on San Juan Luis Munoz Marin Intl Airport to Seattle flights?

You could potentially save up to 14% on your flight if you consider stops on a San Juan Luis Munoz Marin Intl Airport to Seattle flight.

How have San Juan Luis Munoz Marin Intl Airport to Seattle flight prices changed over time?

As of September 2026, prices for San Juan Luis Munoz Marin Intl Airport to Seattle flights are approximately 25% more expensive when compared to flights at the same time last year.

When to book flights from San Juan Luis Munoz Marin Intl Airport to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from San Juan Luis Munoz Marin Intl Airport to Seattle according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San Juan Luis Munoz Marin Intl Airport to Seattle (SJU to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Juan Luis Munoz Marin Intl Airport to Seattle

Best Price Found

$138

Fastest flight time

10h 55m

Direct flights

None
The best one-way flight to Seattle from San Juan Luis Munoz Marin Intl Airport in the past 72 hours is $138. The best round-trip flight deal from San Juan Luis Munoz Marin Intl Airport to Seattle found on momondo in the last 72 hours is $296.
The fastest flight from San Juan Luis Munoz Marin Intl Airport to Seattle takes 10h 55m
There are no direct flights from San Juan Luis Munoz Marin Intl Airport to Seattle. There are no popular flight routes from San Juan Luis Munoz Marin Intl Airport to Seattle.
Search flight deals

Frequently asked questions about flying from San Juan Luis Munoz Marin Intl Airport to Seattle

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

    Seattle/Tacoma Intl is 3726.9 mi away from San Juan Luis Munoz Marin Intl. 10h 55m is a normal flight duration for this route.

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

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

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Juan Luis Munoz Marin Intl Airport to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The required travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from San Juan Luis Munoz Marin Intl Airport to Seattle?

Best airlines flying from San Juan Luis Munoz Marin Intl Airport to Seattle

Compare and see reviews for airlines that fly from San Juan Luis Munoz Marin Intl Airport to Seattle with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $182Free CancellationRating
7.8
8,553 reviews
Search Delta flights
JetBluePriceFrom $266Free CancellationRating
7.1
3,041 reviews
Search JetBlue flights
American AirlinesPriceFrom $364Free CancellationRating
7.1
12,047 reviews
Search American Airlines flights
United AirlinesPriceFrom $419Free CancellationRating
7.4
10,194 reviews
Search United Airlines flights
SouthwestPriceFrom $463Free CancellationRating
8.0
4,195 reviews
Search Southwest flights

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Leavenworth
SeaTac
Ocean Shores
Renton
Kent
Olympia
Redmond
Lakewood
Federal Way
Fife
Puyallup
Tukwila
Lynnwood
Cle Elum
Marysville
Kirkland
Lacey
Centralia
Shoreline

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from San Juan to Seattle for you.

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

Flights from San Juan to Seattle with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Seattle from San Juan.

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

If you are simply researching potential flights to Seattle, momondo offers a useful price alert feature which will track prices for flights to Seattle from San Juan and alert you when they change.

An easier way to manage your Seattle 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
Fri 10/9
Fri 10/16
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States