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Cheap flights from San Juan Luis Munoz Marin Intl Airport to Seattle from $157

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Juan Luis Munoz Marin Intl Airport to Seattle departing on 3/2. 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 San Juan Luis Munoz Marin Intl Airport to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
2:30 pm - 10:28 pm
SJU
-
SEA
10h 58m
1 stop
Delta Logo
9:35 pm - 11:46 am
SEA
-
SJU
11h 11m
1 stop
$394Delta
Fri, May 8 - Sat, May 16
Frontier Logo
3:18 pm - 5:42 pm
SJU
-
SEA
29h 24m
2 stops
Frontier Logo
6:57 pm - 2:08 pm
SEA
-
SJU
16h 11m
2 stops
$395Frontier
Fri, Apr 24 - Sat, May 2
American Airlines Logo
12:59 am - 9:27 am
SJU
-
SEA
11h 28m
1 stop
American Airlines Logo
8:00 am - 11:54 pm
SEA
-
SJU
12h 54m
1 stop
$402American Airlines
Wed, May 27 - Fri, Jun 5
American Airlines Logo
3:10 pm - 12:30 am
SJU
-
SEA
12h 20m
1 stop
American Airlines Logo
11:28 pm - 2:52 pm
SEA
-
SJU
12h 24m
2 stops
$403American Airlines
Thu, Apr 23 - Tue, Apr 28
American Airlines Logo
7:25 am - 9:04 pm
SJU
-
SEA
16h 39m
1 stop
American Airlines Logo
5:00 pm - 2:42 pm
SEA
-
SJU
18h 42m
1 stop
$404American Airlines
Wed, Apr 22 - Fri, May 1
Multiple Airlines Logo
6:39 pm - 5:09 pm
SJU
-
SEA
25h 30m
3 stops
Multiple Airlines Logo
8:05 am - 1:19 am
SEA
-
SJU
14h 14m
1 stop
$438Multiple Airlines
Wed, Mar 18 - Tue, Mar 31
Multiple Airlines Logo
11:44 am - 10:04 pm
SJU
-
SEA
14h 20m
1 stop
Multiple Airlines Logo
6:24 pm - 1:19 am
SEA
-
SJU
27h 55m
3 stops
$440Multiple Airlines
Fri, Mar 6 - Tue, Mar 10
United Airlines Logo
3:56 pm - 12:19 am
SJU
-
SEA
11h 23m
1 stop
United Airlines Logo
11:00 pm - 1:45 pm
SEA
-
SJU
11h 45m
1 stop
$445United Airlines
Mon, Apr 27 - Fri, May 1
Southwest Logo
5:05 am - 6:30 pm
SJU
-
SEA
16h 25m
2 stops
Southwest Logo
6:00 am - 10:40 pm
SEA
-
SJU
13h 40m
2 stops
$447Southwest
Wed, May 13 - Wed, May 27
Multiple Airlines Logo
6:39 pm - 5:09 pm
SJU
-
SEA
25h 30m
3 stops
Multiple Airlines Logo
8:05 am - 1:19 am
SEA
-
SJU
14h 14m
1 stop
$450Multiple Airlines
Wed, Mar 18 - Tue, Mar 31

American Airlines flights from San Juan Luis Munoz Marin Intl Airport to Seattle

Our best American Airlines deals on San Juan Luis Munoz Marin Intl Airport to Seattle flight tickets
American Airlines
Mar 6
SJU12:46 pmSan Juan Luis Munoz Marin Intl
14h 54m
1 stop
SEA11:40 pmSeattle/Tacoma Intl
Mar 29
SEA5:30 amSeattle/Tacoma Intl
14h 01m
1 stop
SJU10:31 pmSan Juan Luis Munoz Marin Intl
$402
American Airlines
Apr 23
SJU3:10 pmSan Juan Luis Munoz Marin Intl
12h 20m
1 stop
SEA12:30 amSeattle/Tacoma Intl
Apr 28
SEA11:28 pmSeattle/Tacoma Intl
12h 24m
2 stops
SJU2:52 pmSan Juan Luis Munoz Marin Intl
$403
American Airlines
Apr 22
SJU7:25 amSan Juan Luis Munoz Marin Intl
16h 39m
1 stop
SEA9:04 pmSeattle/Tacoma Intl
May 1
SEA5:00 pmSeattle/Tacoma Intl
18h 42m
1 stop
SJU2:42 pmSan Juan Luis Munoz Marin Intl
$404

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
May 13
SJU5:05 amSan Juan Luis Munoz Marin Intl
16h 25m
2 stops
SEA6:30 pmSeattle/Tacoma Intl
May 27
SEA6:00 amSeattle/Tacoma Intl
13h 40m
2 stops
SJU10:40 pmSan Juan Luis Munoz Marin Intl
$447
Southwest
Apr 23
SJU10:00 amSan Juan Luis Munoz Marin Intl
16h 30m
2 stops
SEA11:30 pmSeattle/Tacoma Intl
Apr 28
SEA6:00 amSeattle/Tacoma Intl
12h 05m
2 stops
SJU9:05 pmSan Juan Luis Munoz Marin Intl
$457
Southwest
May 12
SJU5:05 amSan Juan Luis Munoz Marin Intl
16h 25m
2 stops
SEA6:30 pmSeattle/Tacoma Intl
May 23
SEA11:55 pmSeattle/Tacoma Intl
13h 40m
2 stops
SJU4:35 pmSan Juan Luis Munoz Marin Intl
$460

momondo Fare Finder

 
Customize your flight search to find flights from San Juan Luis Munoz Marin Intl Airport to Seattle 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 February 12, 2026.
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

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

Fri 5/8

2:30 pm-10:28 pm

1 stop10h 58m

Seattle/Tacoma Intl

Sat 5/16

9:35 pm-11:46 am

1 stop11h 11m

$394

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

Fri 4/24

3:18 pm-5:42 pm

2 stops29h 24m

Seattle/Tacoma Intl

Sat 5/2

6:57 pm-2:08 pm

2 stops16h 11m

$395

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

Wed 5/27

12:59 am-9:27 am

1 stop11h 28m

Seattle/Tacoma Intl

Fri 6/5

8:00 am-11:54 pm

1 stop12h 54m

$402

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

Thu 4/23

3:10 pm-12:30 am

1 stop12h 20m

Seattle/Tacoma Intl

Tue 4/28

11:28 pm-2:52 pm

2 stops12h 24m

$403

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

Wed 4/22

7:25 am-9:04 pm

1 stop16h 39m

Seattle/Tacoma Intl

Fri 5/1

5:00 pm-2:42 pm

1 stop18h 42m

$404

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

Wed 3/18

6:39 pm-5:09 pm

3 stops25h 30m

Seattle/Tacoma Intl

Tue 3/31

8:05 am-1:19 am

1 stop14h 14m

$438

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

Fri 3/6

11:44 am-10:04 pm

1 stop14h 20m

Seattle/Tacoma Intl

Tue 3/10

6:24 pm-1:19 am

3 stops27h 55m

$440

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

Mon 4/27

3:56 pm-12:19 am

1 stop11h 23m

Seattle/Tacoma Intl

Fri 5/1

11:00 pm-1:45 pm

1 stop11h 45m

$445

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

Wed 5/13

5:05 am-6:30 pm

2 stops16h 25m

Seattle/Tacoma Intl

Wed 5/27

6:00 am-10:40 pm

2 stops13h 40m

$447

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

Wed 3/18

6:39 pm-5:09 pm

3 stops25h 30m

Seattle/Tacoma Intl

Tue 3/31

8:05 am-1:19 am

1 stop14h 14m

$450

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 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 October to fly from San Juan Luis Munoz Marin Intl Airport, when ticket prices are also cheap, with an average price of $436.

How far in advance should I book a flight 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 $527 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 $453 on momondo.

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

You could potentially save up to 5% 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 February 2026, prices for San Juan Luis Munoz Marin Intl Airport to Seattle flights are approximately 17% 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

Fastest flight time

10h 15m

Direct flights

None
The fastest flight from San Juan Luis Munoz Marin Intl Airport to Seattle takes 10h 15m
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

  • 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 15m 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 plane model from San Juan Luis Munoz Marin Intl Airport to Seattle?

  • 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
Spirit AirlinesPriceFrom $201Free CancellationRating
6.3
8,451 reviews
Search Spirit Airlines flights
JetBluePriceFrom $213Free CancellationRating
7.2
2,897 reviews
Search JetBlue flights
DeltaPriceFrom $256Free CancellationRating
7.9
8,191 reviews
Search Delta flights
American AirlinesPriceFrom $364Free CancellationRating
7.2
11,276 reviews
Search American Airlines flights
United AirlinesPriceFrom $367Free CancellationRating
7.4
9,286 reviews
Search United Airlines 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
Olympia
Lynnwood
Kent
Marysville
Redmond
Puyallup
Cle Elum
Lakewood
Tukwila
Federal Way
Kirkland
Westport
Centralia
Fife
Tumwater

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.

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