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Cheap flights from San Juan Luis Munoz Marin Intl Airport to Seattle from $170

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.
American Airlines Logo
3:17 pm - 11:59 pmSJU  San Juan Luis Munoz Marin Intl-SEA Seattle/Tacoma Intl
12h 42m1 stop Miami
American Airlines Logo
9:15 am - 11:59 pmSEA  Seattle/Tacoma Intl-SJU San Juan Luis Munoz Marin Intl
10h 44m1 stop Philadelphia
$340American Airlines
Mon, Nov 2 - Thu, Nov 12
JetBlue Logo
10:30 am - 9:21 pmSJU  San Juan Luis Munoz Marin Intl-SEA Seattle/Tacoma Intl
13h 51m1 stop New York John F Kennedy Intl
JetBlue Logo
10:15 pm - 1:51 pmSEA  Seattle/Tacoma Intl-SJU San Juan Luis Munoz Marin Intl
12h 36m1 stop New York John F Kennedy Intl
$342JetBlue
Sat, Oct 17 - Sat, Oct 24
American Airlines Logo
12:59 pm - 12:36 amSJU  San Juan Luis Munoz Marin Intl-SEA Seattle/Tacoma Intl
14h 37m2 stops Charlotte Douglas Chicago O'Hare Intl
American Airlines Logo
5:00 am - 10:09 pmSEA  Seattle/Tacoma Intl-SJU San Juan Luis Munoz Marin Intl
14h 09m2 stops Dallas/Fort Worth Miami
$447American Airlines
Tue, Oct 13 - Tue, Oct 20
Frontier Logo
6:21 pm - 3:12 pmSJU  San Juan Luis Munoz Marin Intl-SEA Seattle/Tacoma Intl
23h 51m2 stops Tampa Denver Intl
Frontier Logo
12:14 pm - 2:42 pmSEA  Seattle/Tacoma Intl-SJU San Juan Luis Munoz Marin Intl
23h 28m2 stops Las Vegas Harry Reid Intl Orlando
$466Frontier
Tue, Oct 20 - Tue, Oct 27
JetBlue Logo
10:30 am - 9:20 pmSJU  San Juan Luis Munoz Marin Intl-SEA Seattle/Tacoma Intl
13h 50m1 stop New York John F Kennedy Intl
JetBlue Logo
10:15 pm - 1:58 pmSEA  Seattle/Tacoma Intl-SJU San Juan Luis Munoz Marin Intl
12h 43m1 stop New York John F Kennedy Intl
$474JetBlue
Fri, Oct 16 - Tue, Oct 20
Frontier Logo
3:59 pm - 3:12 pmSJU  San Juan Luis Munoz Marin Intl-SEA Seattle/Tacoma Intl
27h 13m2 stops Atlanta Hartsfield-Jackson Denver Intl
Frontier Logo
4:27 pm - 6:21 pmSEA  Seattle/Tacoma Intl-SJU San Juan Luis Munoz Marin Intl
21h 54m2 stops Denver Intl Orlando
$487Frontier
Tue, Nov 3 - Sat, Nov 7
Southwest Logo
10:00 am - 10:40 pmSJU  San Juan Luis Munoz Marin Intl-SEA Seattle/Tacoma Intl
15h 40m2 stops Orlando Denver Intl
Southwest Logo
5:40 am - 9:55 pmSEA  Seattle/Tacoma Intl-SJU San Juan Luis Munoz Marin Intl
12h 15m2 stops Phoenix Sky Harbor Intl Orlando
$540Southwest
Wed, Oct 21 - Wed, Nov 4
Southwest Logo
12:40 pm - 10:40 pmSJU  San Juan Luis Munoz Marin Intl-SEA Seattle/Tacoma Intl
13h 00m2 stops Orlando Denver Intl
Southwest Logo
8:55 am - 11:50 pmSEA  Seattle/Tacoma Intl-SJU San Juan Luis Munoz Marin Intl
11h 55m2 stops Austin Bergstrom Orlando
$540Southwest
Tue, Oct 13 - Tue, Oct 20
Delta Logo
4:10 pm - 11:57 pmSJU  San Juan Luis Munoz Marin Intl-SEA Seattle/Tacoma Intl
11h 47m1 stop Atlanta Hartsfield-Jackson
Delta Logo
5:45 pm - 4:50 pmSEA  Seattle/Tacoma Intl-SJU San Juan Luis Munoz Marin Intl
19h 05m2 stops Salt Lake City New York John F Kennedy Intl
$554Delta
Mon, Nov 23 - Sat, Jan 23
Delta Logo
3:15 pm - 9:58 pmSJU  San Juan Luis Munoz Marin Intl-SEA Seattle/Tacoma Intl
10h 43m1 stop Detroit Metropolitan Wayne County
Delta Logo
5:45 pm - 1:05 pmSEA  Seattle/Tacoma Intl-SJU San Juan Luis Munoz Marin Intl
15h 20m2 stops Salt Lake City New York John F Kennedy Intl
$554Delta
Tue, Nov 24 - Mon, Jan 25

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

Our best JetBlue deals on San Juan Luis Munoz Marin Intl Airport to Seattle flight tickets
JetBlue
Oct 17
SJU10:30 amSan Juan Luis Munoz Marin Intl
13h 51m
1 stop
SEA9:21 pmSeattle/Tacoma Intl
Oct 24
SEA10:15 pmSeattle/Tacoma Intl
12h 36m
1 stop
SJU1:51 pmSan Juan Luis Munoz Marin Intl
$342
JetBlue
Oct 14
SJU10:30 amSan Juan Luis Munoz Marin Intl
13h 50m
1 stop
SEA9:20 pmSeattle/Tacoma Intl
Oct 19
SEA10:15 pmSeattle/Tacoma Intl
10h 14m
1 stop
SJU11:29 amSan Juan Luis Munoz Marin Intl
$474
JetBlue
Oct 16
SJU10:30 amSan Juan Luis Munoz Marin Intl
13h 50m
1 stop
SEA9:20 pmSeattle/Tacoma Intl
Oct 20
SEA10:15 pmSeattle/Tacoma Intl
12h 43m
1 stop
SJU1:58 pmSan Juan Luis Munoz Marin Intl
$477

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
Oct 20
SJU6:21 pmSan Juan Luis Munoz Marin Intl
23h 51m
2 stops
SEA3:12 pmSeattle/Tacoma Intl
Oct 27
SEA12:14 pmSeattle/Tacoma Intl
23h 28m
2 stops
SJU2:42 pmSan Juan Luis Munoz Marin Intl
$466
Frontier
Nov 3
SJU3:59 pmSan Juan Luis Munoz Marin Intl
27h 13m
2 stops
SEA3:12 pmSeattle/Tacoma Intl
Nov 7
SEA4:27 pmSeattle/Tacoma Intl
21h 54m
2 stops
SJU6:21 pmSan Juan Luis Munoz Marin Intl
$487
Frontier
Oct 20
SJU6:21 pmSan Juan Luis Munoz Marin Intl
23h 51m
2 stops
SEA3:12 pmSeattle/Tacoma Intl
Oct 29
SEA9:13 pmSeattle/Tacoma Intl
24h 46m
2 stops
SJU12:59 amSan Juan Luis Munoz Marin Intl
$516

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
Quickest round-trip

San JuanSeattle

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

SJUSEA

San Juan Luis Munoz Marin Intl

Mon 11/2

3:17 pm-11:59 pm

1 stop12h 42m

Seattle/Tacoma Intl

Thu 11/12

9:15 am-11:59 pm

1 stop10h 44m

$340

San JuanSeattle

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

SJUSEA

San Juan Luis Munoz Marin Intl

Sat 10/17

10:30 am-9:21 pm

1 stop13h 51m

Seattle/Tacoma Intl

Sat 10/24

10:15 pm-1:51 pm

1 stop12h 36m

$342

San JuanSeattle

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

SJUSEA

San Juan Luis Munoz Marin Intl

Tue 10/13

12:59 pm-12:36 am

2 stops14h 37m

Seattle/Tacoma Intl

Tue 10/20

5:00 am-10:09 pm

2 stops14h 09m

$447

San JuanSeattle

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

SJUSEA

San Juan Luis Munoz Marin Intl

Tue 10/20

6:21 pm-3:12 pm

2 stops23h 51m

Seattle/Tacoma Intl

Tue 10/27

12:14 pm-2:42 pm

2 stops23h 28m

$466

San JuanSeattle

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

SJUSEA

San Juan Luis Munoz Marin Intl

Fri 10/16

10:30 am-9:20 pm

1 stop13h 50m

Seattle/Tacoma Intl

Tue 10/20

10:15 pm-1:58 pm

1 stop12h 43m

$474

San JuanSeattle

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

SJUSEA

San Juan Luis Munoz Marin Intl

Tue 11/3

3:59 pm-3:12 pm

2 stops27h 13m

Seattle/Tacoma Intl

Sat 11/7

4:27 pm-6:21 pm

2 stops21h 54m

$487

San JuanSeattle

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

SJUSEA

San Juan Luis Munoz Marin Intl

Wed 10/21

10:00 am-10:40 pm

2 stops15h 40m

Seattle/Tacoma Intl

Wed 11/4

5:40 am-9:55 pm

2 stops12h 15m

$540

San JuanSeattle

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

SJUSEA

San Juan Luis Munoz Marin Intl

Tue 10/13

12:40 pm-10:40 pm

2 stops13h 00m

Seattle/Tacoma Intl

Tue 10/20

8:55 am-11:50 pm

2 stops11h 55m

$540

San JuanSeattle

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

SJUSEA

San Juan Luis Munoz Marin Intl

Mon 11/23

4:10 pm-11:57 pm

1 stop11h 47m

Seattle/Tacoma Intl

Sat 1/23

5:45 pm-4:50 pm

2 stops19h 05m

$554

San JuanSeattle

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

SJUSEA

San Juan Luis Munoz Marin Intl

Tue 11/24

3:15 pm-9:58 pm

1 stop10h 43m

Seattle/Tacoma Intl

Mon 1/25

5:45 pm-1:05 pm

2 stops15h 20m

$554

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 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 $436 to $540.
The lowest price recently found on this route was $342.

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 $508 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 6% 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

$170

Fastest flight time

12h 07m

Direct flights

None
The best one-way flight to Seattle from San Juan Luis Munoz Marin Intl Airport in the past 72 hours is $170. 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 $340.
The fastest flight from San Juan Luis Munoz Marin Intl Airport to Seattle takes 12h 07m
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. 12h 07m 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
8,594 reviews
Search Delta flights
JetBluePriceFrom $266Free CancellationRating
7.1
3,037 reviews
Search JetBlue flights
American AirlinesPriceFrom $371Free CancellationRating
7.0
12,076 reviews
Search American Airlines flights
United AirlinesPriceFrom $434Free CancellationRating
7.4
10,230 reviews
Search United Airlines flights
SouthwestPriceFrom $463Free CancellationRating
8.0
4,196 reviews
Search Southwest flights

Traveling to a place near Seattle?

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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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