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 41% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 4 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?

United 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 March 2026, there are 4 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.

$147 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 $453 to $560. The lowest price recently found on this route was $376.

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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.

7:20 am - 7:00 pm

SJU

SEA

14h 40m

2 stops

8:00 am - 9:24 pm

SEA

SJU

10h 24m

1 stop

$376United Airlines

Thu, Apr 16 - Mon, Apr 27

11:30 am - 9:47 pm

SJU

SEA

13h 17m

1 stop

4:20 pm - 2:08 pm

SEA

SJU

42h 48m

2 stops

$381Multiple Airlines

Wed, Apr 22 - Fri, May 1

6:00 am - 9:23 pm

SJU

SEA

18h 23m

1 stop

10:47 pm - 2:29 pm

SEA

SJU

12h 42m

1 stop

$396American Airlines

Fri, Apr 24 - Tue, Apr 28

1:59 am - 9:47 pm

SJU

SEA

22h 48m

2 stops

10:06 pm - 2:08 pm

SEA

SJU

37h 02m

2 stops

$399Multiple Airlines

Tue, Apr 21 - Fri, May 1

6:00 am - 9:23 pm

SJU

SEA

18h 23m

1 stop

6:19 pm - 9:13 am

SEA

SJU

11h 54m

2 stops

$402American Airlines

Fri, Apr 24 - Sat, May 2

11:30 am - 9:47 pm

SJU

SEA

13h 17m

1 stop

4:20 pm - 2:08 pm

SEA

SJU

42h 48m

2 stops

$404Multiple Airlines

Wed, Apr 22 - Fri, May 1

11:30 am - 5:42 pm

SJU

SEA

33h 12m

3 stops

10:22 am - 12:23 pm

SEA

SJU

23h 01m

2 stops

$407Multiple Airlines

Fri, Apr 24 - Sat, May 2

11:30 am - 9:47 pm

SJU

SEA

13h 17m

1 stop

4:20 pm - 12:29 am

SEA

SJU

29h 09m

3 stops

$411Multiple Airlines

Wed, Apr 22 - Fri, May 1

11:43 am - 10:38 pm

SJU

SEA

13h 55m

2 stops

10:47 pm - 1:49 pm

SEA

SJU

12h 02m

1 stop

$414American Airlines

Tue, May 5 - Mon, May 18

1:00 am - 11:02 am

SJU

SEA

13h 02m

1 stop

7:00 am - 8:34 pm

SEA

SJU

10h 34m

1 stop

$415United Airlines

Mon, Apr 27 - Tue, May 5

United Airlines flights from San Juan to Seattle

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

United Airlines

Apr 16

SJU7:20 amSan Juan Luis Munoz Marin Intl

14h 40m

2 stops

SEA7:00 pmSeattle/Tacoma Intl

Apr 27

SEA8:00 amSeattle/Tacoma Intl

10h 24m

1 stop

SJU9:24 pmSan Juan Luis Munoz Marin Intl

$376

United Airlines

Apr 27

SJU1:00 amSan Juan Luis Munoz Marin Intl

13h 02m

1 stop

SEA11:02 amSeattle/Tacoma Intl

May 5

SEA7:00 amSeattle/Tacoma Intl

10h 34m

1 stop

SJU8:34 pmSan Juan Luis Munoz Marin Intl

$415

United Airlines

Apr 16

SJU7:20 amSan Juan Luis Munoz Marin Intl

14h 40m

2 stops

SEA7:00 pmSeattle/Tacoma Intl

Apr 27

SEA5:45 pmSeattle/Tacoma Intl

15h 49m

2 stops

SJU12:34 pmSan Juan Luis Munoz Marin Intl

$466

American Airlines flights from San Juan to Seattle

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

American Airlines

Apr 24

SJU6:00 amSan Juan Luis Munoz Marin Intl

18h 23m

1 stop

SEA9:23 pmSeattle/Tacoma Intl

Apr 28

SEA10:47 pmSeattle/Tacoma Intl

12h 42m

1 stop

SJU2:29 pmSan Juan Luis Munoz Marin Intl

$396

American Airlines

Apr 24

SJU6:00 amSan Juan Luis Munoz Marin Intl

18h 23m

1 stop

SEA9:23 pmSeattle/Tacoma Intl

May 2

SEA6:19 pmSeattle/Tacoma Intl

11h 54m

2 stops

SJU9:13 amSan Juan Luis Munoz Marin Intl

$402

American Airlines

May 5

SJU11:43 amSan Juan Luis Munoz Marin Intl

13h 55m

2 stops

SEA10:38 pmSeattle/Tacoma Intl

May 18

SEA10:47 pmSeattle/Tacoma Intl

12h 02m

1 stop

SJU1:49 pmSan Juan Luis Munoz Marin Intl

$414

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

Thu 4/16

7:20 am-7:00 pm

2 stops14h 40m

Seattle/Tacoma Intl

Mon 4/27

8:00 am-9:24 pm

1 stop10h 24m

$376

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

Wed 4/22

11:30 am-9:47 pm

1 stop13h 17m

Seattle/Tacoma Intl

Fri 5/1

4:20 pm-2:08 pm

2 stops42h 48m

$381

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

Fri 4/24

6:00 am-9:23 pm

1 stop18h 23m

Seattle/Tacoma Intl

Tue 4/28

10:47 pm-2:29 pm

1 stop12h 42m

$396

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

Tue 4/21

1:59 am-9:47 pm

2 stops22h 48m

Seattle/Tacoma Intl

Fri 5/1

10:06 pm-2:08 pm

2 stops37h 02m

$399

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

Fri 4/24

6:00 am-9:23 pm

1 stop18h 23m

Seattle/Tacoma Intl

Sat 5/2

6:19 pm-9:13 am

2 stops11h 54m

$402

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

Wed 4/22

11:30 am-9:47 pm

1 stop13h 17m

Seattle/Tacoma Intl

Fri 5/1

4:20 pm-2:08 pm

2 stops42h 48m

$404

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

Fri 4/24

11:30 am-5:42 pm

3 stops33h 12m

Seattle/Tacoma Intl

Sat 5/2

10:22 am-12:23 pm

2 stops23h 01m

$407

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

Wed 4/22

11:30 am-9:47 pm

1 stop13h 17m

Seattle/Tacoma Intl

Fri 5/1

4:20 pm-12:29 am

3 stops29h 09m

$411

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

Tue 5/5

11:43 am-10:38 pm

2 stops13h 55m

Seattle/Tacoma Intl

Mon 5/18

10:47 pm-1:49 pm

1 stop12h 02m

$414

Quickest round-trip

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

Mon 4/27

1:00 am-11:02 am

1 stop13h 02m

Seattle/Tacoma Intl

Tue 5/5

7:00 am-8:34 pm

1 stop10h 34m

$415

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 $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 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 $457 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 30m
Direct flights	None

The fastest flight from San Juan to Seattle takes 10h 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

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 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 March 2026, there are 4 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
JetBlue	PriceFrom $213	Free Cancellation	Rating 7.2 2,898 reviews	Search JetBlue flights
Delta	PriceFrom $256	Free Cancellation	Rating 7.9 8,269 reviews	Search Delta flights
American Airlines	PriceFrom $364	Free Cancellation	Rating 7.1 11,397 reviews	Search American Airlines flights
United Airlines	PriceFrom $367	Free Cancellation	Rating 7.4 9,405 reviews	Search United Airlines flights

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Kent

Marysville

Redmond

Cle Elum

Puyallup

Lakewood

Tukwila

Federal Way

Fife

Westport

Kirkland

Centralia

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.