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

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

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.

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 June 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.

$227 Cheap Flights from San Juan to Seattle in 2026

Q: 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 $610 to $518. The lowest price recently found on this route was $556.

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.

10:16 am - 9:52 pm

SJU

SEA

14h 36m

2 stops

11:57 pm - 3:40 pm

SEA

SJU

12h 43m

2 stops

$556American Airlines

Thu, Sep 24 - Sat, Oct 3

12:58 pm - 11:59 pm

SJU

SEA

14h 01m

2 stops

11:59 pm - 4:31 pm

SEA

SJU

13h 32m

2 stops

$560Delta

Thu, Sep 24 - Fri, Oct 2

2:25 pm - 10:56 pm

SJU

SEA

11h 31m

1 stop

12:40 am - 2:54 pm

SEA

SJU

11h 14m

1 stop

$564American Airlines

Wed, Jul 29 - Sun, Aug 9

6:30 am - 5:25 pm

SJU

SEA

13h 55m

1 stop

7:25 pm - 12:20 pm

SEA

SJU

13h 55m

2 stops

$565Southwest

Thu, Jul 30 - Mon, Aug 10

10:16 am - 8:29 pm

SJU

SEA

13h 13m

2 stops

11:57 pm - 3:07 pm

SEA

SJU

12h 10m

2 stops

$566American Airlines

Thu, Sep 24 - Sat, Oct 3

6:30 am - 5:25 pm

SJU

SEA

13h 55m

1 stop

7:25 pm - 12:20 pm

SEA

SJU

13h 55m

2 stops

$570Southwest

Thu, Jul 30 - Mon, Aug 10

4:38 pm - 12:07 am

SJU

SEA

10h 29m

1 stop

5:10 am - 11:59 pm

SEA

SJU

15h 49m

1 stop

$574American Airlines

Thu, Jul 30 - Fri, Aug 7

4:38 pm - 12:07 am

SJU

SEA

10h 29m

1 stop

5:10 am - 10:59 pm

SEA

SJU

14h 49m

1 stop

$579American Airlines

Mon, Jul 13 - Wed, Jul 15

7:00 am - 10:56 pm

SJU

SEA

18h 56m

1 stop

11:56 pm - 9:55 pm

SEA

SJU

18h 59m

2 stops

$584American Airlines

Wed, Jul 29 - Mon, Aug 10

6:00 am - 4:40 pm

SJU

SEA

13h 40m

1 stop

6:45 am - 10:25 pm

SEA

SJU

12h 40m

2 stops

$585Southwest

Sat, Jul 4 - Sat, Jul 11

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Southwest flights from San Juan to Seattle

Our best Southwest deals on San Juan to Seattle flight tickets

Southwest

Jul 30

SJU6:30 amSan Juan Luis Munoz Marin Intl

13h 55m

1 stop

SEA5:25 pmSeattle/Tacoma Intl

Aug 10

SEA6:15 pmSeattle/Tacoma Intl

13h 45m

2 stops

SJU11:00 amSan Juan Luis Munoz Marin Intl

$560

Southwest

Jul 30

SJU6:30 amSan Juan Luis Munoz Marin Intl

13h 55m

1 stop

SEA5:25 pmSeattle/Tacoma Intl

Aug 10

SEA7:25 pmSeattle/Tacoma Intl

13h 55m

2 stops

SJU12:20 pmSan Juan Luis Munoz Marin Intl

$565

Southwest

Jul 30

SJU6:30 amSan Juan Luis Munoz Marin Intl

13h 55m

1 stop

SEA5:25 pmSeattle/Tacoma Intl

Aug 10

SEA7:25 pmSeattle/Tacoma Intl

13h 55m

2 stops

SJU12:20 pmSan Juan Luis Munoz Marin Intl

$570

American Airlines flights from San Juan to Seattle

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

American Airlines

Jul 29

SJU2:25 pmSan Juan Luis Munoz Marin Intl

11h 31m

1 stop

SEA10:56 pmSeattle/Tacoma Intl

Aug 9

SEA12:40 amSeattle/Tacoma Intl

11h 14m

1 stop

SJU2:54 pmSan Juan Luis Munoz Marin Intl

$564

American Airlines

Jul 30

SJU5:45 amSan Juan Luis Munoz Marin Intl

19h 41m

1 stop

SEA10:26 pmSeattle/Tacoma Intl

Aug 10

SEA11:56 pmSeattle/Tacoma Intl

20h 19m

1 stop

SJU11:15 pmSan Juan Luis Munoz Marin Intl

$574

American Airlines

Jul 13

SJU4:38 pmSan Juan Luis Munoz Marin Intl

10h 29m

1 stop

SEA12:07 amSeattle/Tacoma Intl

Jul 15

SEA5:10 amSeattle/Tacoma Intl

14h 49m

1 stop

SJU10:59 pmSan Juan Luis Munoz Marin Intl

$579

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

Thu 9/24

10:16 am-9:52 pm

2 stops14h 36m

Seattle/Tacoma Intl

Sat 10/3

11:57 pm-3:40 pm

2 stops12h 43m

$556

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

Thu 9/24

12:58 pm-11:59 pm

2 stops14h 01m

Seattle/Tacoma Intl

Fri 10/2

11:59 pm-4:31 pm

2 stops13h 32m

$560

Quickest round-trip

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

Wed 7/29

2:25 pm-10:56 pm

1 stop11h 31m

Seattle/Tacoma Intl

Sun 8/9

12:40 am-2:54 pm

1 stop11h 14m

$564

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

Thu 7/30

6:30 am-5:25 pm

1 stop13h 55m

Seattle/Tacoma Intl

Mon 8/10

7:25 pm-12:20 pm

2 stops13h 55m

$565

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

Thu 9/24

10:16 am-8:29 pm

2 stops13h 13m

Seattle/Tacoma Intl

Sat 10/3

11:57 pm-3:07 pm

2 stops12h 10m

$566

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

Thu 7/30

6:30 am-5:25 pm

1 stop13h 55m

Seattle/Tacoma Intl

Mon 8/10

7:25 pm-12:20 pm

2 stops13h 55m

$570

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

Thu 7/30

4:38 pm-12:07 am

1 stop10h 29m

Seattle/Tacoma Intl

Fri 8/7

5:10 am-11:59 pm

1 stop15h 49m

$574

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

Mon 7/13

4:38 pm-12:07 am

1 stop10h 29m

Seattle/Tacoma Intl

Wed 7/15

5:10 am-10:59 pm

1 stop14h 49m

$579

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

Wed 7/29

7:00 am-10:56 pm

1 stop18h 56m

Seattle/Tacoma Intl

Mon 8/10

11:56 pm-9:55 pm

2 stops18h 59m

$584

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

Sat 7/4

6:00 am-4:40 pm

1 stop13h 40m

Seattle/Tacoma Intl

Sat 7/11

6:45 am-10:25 pm

2 stops12h 40m

$585

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?

What is the cheapest month to fly to Seattle?

In general, May 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 $182. If you don’t want to visit Seattle in May, then you should wait until March to fly from San Juan, when ticket prices are also cheap, with an average price of $183.

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 $526 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 $495 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 20m
Direct flights	None

The fastest flight from San Juan to Seattle takes 10h 20m

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 20m 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 June 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 7.9 8,395 reviews	Search Delta flights
JetBlue	PriceFrom $266	Free Cancellation	Rating 7.1 2,978 reviews	Search JetBlue flights
United Airlines	PriceFrom $377	Free Cancellation	Rating 7.4 9,785 reviews	Search United Airlines flights
American Airlines	PriceFrom $377	Free Cancellation	Rating 7.1 11,642 reviews	Search American Airlines flights
Southwest	PriceFrom $454	Free Cancellation	Rating 7.9 4,246 reviews	Search Southwest flights

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Redmond

Kent

Lakewood

Tukwila

Puyallup

Marysville

Cle Elum

Federal Way

Fife

Centralia

Shoreline

Westport

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?

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.