What airlines fly to Seattle?

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Seattle from San Juan according to our data. American Airlines is the first choice among our users, with 53% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 5 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from San Juan to Seattle/Tacoma Intl?

American Airlines and Delta are the most popular carriers operating from San Juan to Seattle/Tacoma Intl

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

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

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

As of July 2026, there are 5 operators available to choose from for flights from San Juan to Seattle/Tacoma Intl Airport.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San Juan to Seattle/Tacoma Intl Airport.

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

The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$205 Cheap Flights from San Juan to Seattle in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from San Juan to Seattle

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:00 am - 3:00 pm

SJU

SEA

13h 00m

2 stops

11:00 pm - 1:45 pm

SEA

SJU

11h 45m

2 stops

$436Southwest

Fri, Sep 18 - Sun, Sep 27

10:30 am - 8:30 pm

SJU

SEA

13h 00m

2 stops

6:25 pm - 9:25 am

SEA

SJU

12h 00m

2 stops

$436Southwest

Tue, Sep 22 - Fri, Sep 25

7:03 am - 10:56 pm

SJU

SEA

18h 53m

1 stop

5:10 am - 11:59 pm

SEA

SJU

15h 49m

1 stop

$436American Airlines

Tue, Aug 25 - Mon, Aug 31

6:00 am - 4:32 pm

SJU

SEA

13h 32m

2 stops

11:56 pm - 4:11 pm

SEA

SJU

13h 15m

2 stops

$436American Airlines

Mon, Aug 24 - Mon, Aug 31

2:00 pm - 1:15 am

SJU

SEA

14h 15m

2 stops

10:48 pm - 11:57 am

SEA

SJU

10h 09m

1 stop

$480United Airlines

Fri, Oct 2 - Sat, Oct 10

1:00 am - 10:54 am

SJU

SEA

12h 54m

1 stop

11:13 pm - 2:44 pm

SEA

SJU

12h 31m

1 stop

$480United Airlines

Thu, Oct 1 - Sat, Oct 10

1:16 pm - 11:20 pm

SJU

SEA

13h 04m

1 stop

5:50 pm - 12:03 pm

SEA

SJU

15h 13m

2 stops

$494Delta

Fri, Sep 18 - Fri, Sep 25

2:15 pm - 11:04 pm

SJU

SEA

12h 49m

1 stop

11:59 pm - 12:45 pm

SEA

SJU

8h 46m

1 stop

$494Delta

Mon, Nov 2 - Mon, Nov 9

10:30 am - 8:44 pm

SJU

SEA

13h 14m

1 stop

9:40 pm - 1:39 pm

SEA

SJU

12h 59m

1 stop

$496JetBlue

Thu, Sep 10 - Fri, Sep 11

10:30 am - 8:44 pm

SJU

SEA

13h 14m

1 stop

10:15 pm - 1:49 pm

SEA

SJU

12h 34m

1 stop

$505JetBlue

Sat, Oct 3 - Mon, Oct 12

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

American Airlines flights from San Juan to Seattle

Our best American Airlines deals on San Juan to Seattle flight tickets

American Airlines

Sep 2

SJU1:38 pmSan Juan Luis Munoz Marin Intl

13h 42m

1 stop

SEA12:20 amSeattle/Tacoma Intl

Sep 14

SEA10:45 pmSeattle/Tacoma Intl

11h 47m

1 stop

SJU1:32 pmSan Juan Luis Munoz Marin Intl

$436

American Airlines

Sep 2

SJU6:00 amSan Juan Luis Munoz Marin Intl

21h 20m

1 stop

SEA12:20 amSeattle/Tacoma Intl

Sep 23

SEA6:15 pmSeattle/Tacoma Intl

12h 09m

2 stops

SJU9:24 amSan Juan Luis Munoz Marin Intl

$441

American Airlines

Aug 19

SJU6:00 amSan Juan Luis Munoz Marin Intl

13h 41m

2 stops

SEA4:41 pmSeattle/Tacoma Intl

Sep 10

SEA8:50 pmSeattle/Tacoma Intl

9h 34m

1 stop

SJU9:24 amSan Juan Luis Munoz Marin Intl

$444

Southwest flights from San Juan to Seattle

Our best Southwest deals on San Juan to Seattle flight tickets

Southwest

Sep 1

SJU1:20 pmSan Juan Luis Munoz Marin Intl

12h 45m

2 stops

SEA11:05 pmSeattle/Tacoma Intl

Sep 6

SEA7:00 pmSeattle/Tacoma Intl

11h 10m

2 stops

SJU9:10 amSan Juan Luis Munoz Marin Intl

$475

Southwest

Aug 27

SJU10:00 amSan Juan Luis Munoz Marin Intl

13h 45m

2 stops

SEA8:45 pmSeattle/Tacoma Intl

Sep 9

SEA5:20 amSeattle/Tacoma Intl

12h 45m

2 stops

SJU9:05 pmSan Juan Luis Munoz Marin Intl

$481

Southwest

Sep 19

SJU6:25 amSan Juan Luis Munoz Marin Intl

13h 35m

2 stops

SEA5:00 pmSeattle/Tacoma Intl

Sep 28

SEA6:25 pmSeattle/Tacoma Intl

13h 35m

2 stops

SJU11:00 amSan Juan Luis Munoz Marin Intl

$483

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

Fri 9/18

5:00 am-3:00 pm

2 stops13h 00m

Seattle/Tacoma Intl

Sun 9/27

11:00 pm-1:45 pm

2 stops11h 45m

$436

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

Tue 9/22

10:30 am-8:30 pm

2 stops13h 00m

Seattle/Tacoma Intl

Fri 9/25

6:25 pm-9:25 am

2 stops12h 00m

$436

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

Tue 8/25

7:03 am-10:56 pm

1 stop18h 53m

Seattle/Tacoma Intl

Mon 8/31

5:10 am-11:59 pm

1 stop15h 49m

$436

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

Mon 8/24

6:00 am-4:32 pm

2 stops13h 32m

Seattle/Tacoma Intl

Mon 8/31

11:56 pm-4:11 pm

2 stops13h 15m

$436

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

Fri 10/2

2:00 pm-1:15 am

2 stops14h 15m

Seattle/Tacoma Intl

Sat 10/10

10:48 pm-11:57 am

1 stop10h 09m

$480

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

Thu 10/1

1:00 am-10:54 am

1 stop12h 54m

Seattle/Tacoma Intl

Sat 10/10

11:13 pm-2:44 pm

1 stop12h 31m

$480

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

Fri 9/18

1:16 pm-11:20 pm

1 stop13h 04m

Seattle/Tacoma Intl

Fri 9/25

5:50 pm-12:03 pm

2 stops15h 13m

$494

Quickest round-trip

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

Mon 11/2

2:15 pm-11:04 pm

1 stop12h 49m

Seattle/Tacoma Intl

Mon 11/9

11:59 pm-12:45 pm

1 stop8h 46m

$494

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

Thu 9/10

10:30 am-8:44 pm

1 stop13h 14m

Seattle/Tacoma Intl

Fri 9/11

9:40 pm-1:39 pm

1 stop12h 59m

$496

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

Sat 10/3

10:30 am-8:44 pm

1 stop13h 14m

Seattle/Tacoma Intl

Mon 10/12

10:15 pm-1:49 pm

1 stop12h 34m

$505

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from San Juan 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

Prices

Airlines

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

Prices are currently low for flights on this route.

Typical prices usually range from $503 to $711.
The lowest price recently found on this route was $436.

What is the cheapest month to fly to Seattle?

In general, February is the cheapest month to fly from San Juan 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, when ticket prices are also cheap, with an average price of $463.

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

You are more likely to see cheaper flights to Seattle from San Juan when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $534 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 for as low as $512 on momondo.

Cheap San Juan to Seattle flight deals and tips

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

Fastest flight time	10h 52m
Direct flights	None

The fastest flight from San Juan to Seattle takes 10h 52m

There are no direct flights from San Juan to Seattle. There are no popular flight routes from San Juan to Seattle.

Search flight deals

Frequently asked questions about flying from San Juan to Seattle

How far is San Juan to Seattle/Tacoma Intl by plane?
San Juan and Seattle/Tacoma Intl are 3720.7 mi apart from one another. 10h 52m is a normal flight duration for this route.
When did momondo last update prices for flights from San Juan to Seattle/Tacoma Intl Airport?
Prices for flights from San Juan to Seattle/Tacoma Intl Airport were last updated today.
How many operators does momondo search for flights from San Juan to Seattle/Tacoma Intl Airport?
As of July 2026, there are 5 operators available to choose from for flights from San Juan to Seattle/Tacoma Intl Airport.
How old do you have to be to fly from San Juan to Seattle/Tacoma Intl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San Juan to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from San Juan to Seattle

Compare and see reviews for airlines that fly from San Juan to Seattle with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $182	Free Cancellation	Rating 7.8 8,495 reviews	Search Delta flights
JetBlue	PriceFrom $266	Free Cancellation	Rating 7.1 3,028 reviews	Search JetBlue flights
American Airlines	PriceFrom $371	Free Cancellation	Rating 7.1 11,852 reviews	Search American Airlines flights
United Airlines	PriceFrom $397	Free Cancellation	Rating 7.4 10,053 reviews	Search United Airlines flights
Southwest	PriceFrom $463	Free Cancellation	Rating 8.0 4,226 reviews	Search Southwest flights

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Olympia

Kent

Lynnwood

Redmond

Lakewood

Puyallup

Tukwila

Federal Way

Fife

Cle Elum

Marysville

Kirkland

Centralia

Shoreline

Lacey

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?

Yes. momondo allows you to filter the results for San Juan to Seattle flights to just show those with flexible booking policies.

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?

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