What airlines fly to Seattle?

American Airlines, United Airlines and JetBlue 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 50% 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?

Delta, American Airlines, and Southwest 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 April 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.

$169 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 $600 to $462. The lowest price recently found on this route was $486.

1 adult

0 bags

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.

6:00 am - 6:35 pm

SJU

SEA

39h 35m

3 stops

3:30 pm - 11:22 pm

SEA

SJU

28h 52m

2 stops

$486Multiple Airlines

Wed, May 27 - Fri, Jun 5

11:59 pm - 9:35 am

SJU

SEA

12h 36m

1 stop

6:00 am - 11:59 pm

SEA

SJU

14h 59m

1 stop

$493American Airlines

Mon, May 11 - Sun, May 24

7:00 am - 7:33 pm

SJU

SEA

15h 33m

1 stop

6:00 pm - 1:16 pm

SEA

SJU

16h 16m

2 stops

$494Delta

Thu, Sep 24 - Fri, Oct 2

11:43 am - 11:44 pm

SJU

SEA

15h 01m

1 stop

5:00 pm - 2:42 pm

SEA

SJU

18h 42m

1 stop

$495American Airlines

Thu, May 14 - Mon, May 18

11:59 pm - 9:35 am

SJU

SEA

12h 36m

1 stop

6:00 am - 11:59 pm

SEA

SJU

14h 59m

1 stop

$496American Airlines

Mon, May 11 - Sun, May 24

6:09 pm - 12:43 pm

SJU

SEA

45h 34m

2 stops

7:41 pm - 12:44 am

SEA

SJU

26h 03m

3 stops

$497Multiple Airlines

Mon, Jun 1 - Mon, Jun 29

6:41 pm - 10:06 am

SJU

SEA

66h 25m

3 stops

3:30 pm - 7:08 pm

SEA

SJU

24h 38m

2 stops

$500Multiple Airlines

Thu, May 28 - Fri, Jun 5

2:25 pm - 10:51 pm

SJU

SEA

11h 26m

1 stop

3:42 pm - 3:02 pm

SEA

SJU

20h 20m

1 stop

$502American Airlines

Sat, Sep 19 - Sat, Sep 26

1:38 pm - 12:20 am

SJU

SEA

13h 42m

1 stop

5:31 pm - 3:02 pm

SEA

SJU

18h 31m

1 stop

$507American Airlines

Thu, Sep 3 - Fri, Sep 11

3:03 am - 10:40 am

SJU

SEA

34h 37m

2 stops

7:41 pm - 2:09 am

SEA

SJU

27h 28m

3 stops

$509Multiple Airlines

Mon, Jun 1 - Tue, Jun 30

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American Airlines flights from San Juan to Seattle

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

American Airlines

May 11

SJU11:59 pmSan Juan Luis Munoz Marin Intl

12h 36m

1 stop

SEA9:35 amSeattle/Tacoma Intl

May 24

SEA6:00 amSeattle/Tacoma Intl

14h 59m

1 stop

SJU11:59 pmSan Juan Luis Munoz Marin Intl

$493

American Airlines

May 14

SJU11:43 amSan Juan Luis Munoz Marin Intl

15h 01m

1 stop

SEA11:44 pmSeattle/Tacoma Intl

May 18

SEA5:00 pmSeattle/Tacoma Intl

18h 42m

1 stop

SJU2:42 pmSan Juan Luis Munoz Marin Intl

$495

American Airlines

May 11

SJU11:59 pmSan Juan Luis Munoz Marin Intl

12h 36m

1 stop

SEA9:35 amSeattle/Tacoma Intl

May 24

SEA6:00 amSeattle/Tacoma Intl

14h 59m

1 stop

SJU11:59 pmSan Juan Luis Munoz Marin Intl

$496

Delta flights from San Juan to Seattle

Our best Delta deals on San Juan to Seattle flight tickets

Delta

Sep 24

SJU7:00 amSan Juan Luis Munoz Marin Intl

15h 33m

1 stop

SEA7:33 pmSeattle/Tacoma Intl

Oct 2

SEA6:00 pmSeattle/Tacoma Intl

16h 16m

2 stops

SJU1:16 pmSan Juan Luis Munoz Marin Intl

$494

Delta

May 8

SJU7:05 amSan Juan Luis Munoz Marin Intl

16h 05m

1 stop

SEA8:10 pmSeattle/Tacoma Intl

May 18

SEA5:30 amSeattle/Tacoma Intl

15h 05m

2 stops

SJU11:35 pmSan Juan Luis Munoz Marin Intl

$543

Delta

May 27

SJU2:35 pmSan Juan Luis Munoz Marin Intl

11h 13m

1 stop

SEA10:48 pmSeattle/Tacoma Intl

Jun 6

SEA10:35 pmSeattle/Tacoma Intl

10h 25m

1 stop

SJU12:00 pmSan Juan Luis Munoz Marin Intl

$562

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

Wed 5/27

6:00 am-6:35 pm

3 stops39h 35m

Seattle/Tacoma Intl

Fri 6/5

3:30 pm-11:22 pm

2 stops28h 52m

$486

Quickest round-trip

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

Mon 5/11

11:59 pm-9:35 am

1 stop12h 36m

Seattle/Tacoma Intl

Sun 5/24

6:00 am-11:59 pm

1 stop14h 59m

$493

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

Thu 9/24

7:00 am-7:33 pm

1 stop15h 33m

Seattle/Tacoma Intl

Fri 10/2

6:00 pm-1:16 pm

2 stops16h 16m

$494

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

Thu 5/14

11:43 am-11:44 pm

1 stop15h 01m

Seattle/Tacoma Intl

Mon 5/18

5:00 pm-2:42 pm

1 stop18h 42m

$495

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

Mon 5/11

11:59 pm-9:35 am

1 stop12h 36m

Seattle/Tacoma Intl

Sun 5/24

6:00 am-11:59 pm

1 stop14h 59m

$496

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

Mon 6/1

6:09 pm-12:43 pm

2 stops45h 34m

Seattle/Tacoma Intl

Mon 6/29

7:41 pm-12:44 am

3 stops26h 03m

$497

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

Thu 5/28

6:41 pm-10:06 am

3 stops66h 25m

Seattle/Tacoma Intl

Fri 6/5

3:30 pm-7:08 pm

2 stops24h 38m

$500

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

Sat 9/19

2:25 pm-10:51 pm

1 stop11h 26m

Seattle/Tacoma Intl

Sat 9/26

3:42 pm-3:02 pm

1 stop20h 20m

$502

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

Thu 9/3

1:38 pm-12:20 am

1 stop13h 42m

Seattle/Tacoma Intl

Fri 9/11

5:31 pm-3:02 pm

1 stop18h 31m

$507

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

Mon 6/1

3:03 am-10:40 am

2 stops34h 37m

Seattle/Tacoma Intl

Tue 6/30

7:41 pm-2:09 am

3 stops27h 28m

$509

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, 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 October to fly from San Juan, when ticket prices are also cheap, with an average price of $409.

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 $529 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 $453 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	11h 30m
Direct flights	None

The fastest flight from San Juan to Seattle takes 11h 30m

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. 11h 30m 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 April 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 8,451 reviews	Search Delta flights
JetBlue	PriceFrom $266	Free Cancellation	Rating 7.2 2,953 reviews	Search JetBlue flights
American Airlines	PriceFrom $367	Free Cancellation	Rating 7.1 11,667 reviews	Search American Airlines flights
United Airlines	PriceFrom $377	Free Cancellation	Rating 7.4 9,643 reviews	Search United Airlines flights
Southwest	PriceFrom $463	Free Cancellation	Rating 8.0 4,334 reviews	Search Southwest flights

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Redmond

Kent

Marysville

Tukwila

Puyallup

Lakewood

Cle Elum

Federal Way

Centralia

Fife

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.