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 42% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 6 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?

JetBlue, Frontier, 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 August 2025, there are 6 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.

$182 Cheap Flights from San Juan to Seattle in 2025

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 $417 to $570. The lowest price recently found on this route was $362.

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Find the cheapest flights from San Juan to Seattle

Round-trip

One-way

Last minute

Cheap round-trip flights

12:50 pm - 10:10 pmSJU-SEA

12h 20m1 stop

11:40 pm - 4:42 pmSEA-SJU

14h 02m1 stop

$362JetBlue

Find Deal

mié., oct. 8 - lun., oct. 20

3:00 pm - 9:49 amSJU-SEA

21h 49m1 stop

12:34 am - 2:08 pmSEA-SJU

10h 34m1 stop

$377American Airlines

Find Deal

mié., oct. 8 - dom., oct. 19

7:15 am - 4:32 pmSJU-SEA

13h 17m2 stops

6:00 am - 11:17 pmSEA-SJU

13h 17m1 stop

$417Delta

Find Deal

lun., nov. 3 - lun., nov. 17

2:25 pm - 11:10 pmSJU-SEA

12h 45m1 stop

5:05 am - 10:22 pmSEA-SJU

13h 17m2 stops

$464United Airlines

Find Deal

mié., nov. 26 - jue., dic. 4

9:26 pm - 9:51 pmSJU-SEA

27h 25m1 stop

2:35 pm - 9:56 amSEA-SJU

16h 21m1 stop

$466

Find Deal

mar., sep. 9 - mié., sep. 17

1:05 am - 10:47 amSJU-SEA

12h 42m1 stop

10:54 pm - 1:45 pmSEA-SJU

11h 51m1 stop

$467United Airlines

Find Deal

mar., oct. 7 - lun., oct. 20

11:10 am - 9:45 pmSJU-SEA

13h 35m2 stops

5:00 am - 7:25 pmSEA-SJU

11h 25m2 stops

$487Southwest

Find Deal

jue., sep. 25 - vie., oct. 3

11:10 am - 9:45 pmSJU-SEA

13h 35m2 stops

4:10 pm - 9:05 amSEA-SJU

13h 55m2 stops

$491Southwest

Find Deal

vie., sep. 26 - dom., oct. 5

7:00 am - 9:58 pmSJU-SEA

17h 58m2 stops

6:00 am - 10:00 pmSEA-SJU

13h 00m2 stops

$496Delta

Find Deal

sáb., sep. 20 - sáb., sep. 27

7:40 pm - 12:57 pmSJU-SEA

20h 17m2 stops

9:15 am - 7:14 pmSEA-SJU

30h 59m3 stops

$550

Find Deal

vie., sep. 26 - dom., oct. 5

American Airlines flights from San Juan to Seattle

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

American Airlines

Oct 8

SJU3:00 pmSan Juan Luis Munoz Marin Intl

21h 49m

1 stop

SEA9:49 amSeattle/Tacoma Intl

Oct 19

SEA12:34 amSeattle/Tacoma Intl

10h 34m

1 stop

SJU2:08 pmSan Juan Luis Munoz Marin Intl

$377

Find similar

American Airlines

Nov 3

SJU2:41 pmSan Juan Luis Munoz Marin Intl

12h 59m

1 stop

SEA11:40 pmSeattle/Tacoma Intl

Nov 16

SEA12:59 amSeattle/Tacoma Intl

10h 03m

1 stop

SJU3:02 pmSan Juan Luis Munoz Marin Intl

$385

Find similar

American Airlines

Oct 4

SJU12:01 pmSan Juan Luis Munoz Marin Intl

12h 22m

2 stops

SEA9:23 pmSeattle/Tacoma Intl

Oct 14

SEA2:52 pmSeattle/Tacoma Intl

20h 16m

1 stop

SJU2:08 pmSan Juan Luis Munoz Marin Intl

$386

Find similar

JetBlue flights from San Juan to Seattle

Our best JetBlue deals on San Juan to Seattle flight tickets

JetBlue

Oct 8

SJU12:50 pmSan Juan Luis Munoz Marin Intl

12h 20m

1 stop

SEA10:10 pmSeattle/Tacoma Intl

Oct 20

SEA11:40 pmSeattle/Tacoma Intl

14h 02m

1 stop

SJU4:42 pmSan Juan Luis Munoz Marin Intl

$362

Find similar

JetBlue

Sep 3

SJU2:05 pmSan Juan Luis Munoz Marin Intl

11h 15m

1 stop

SEA10:20 pmSeattle/Tacoma Intl

Sep 7

SEA11:59 pmSeattle/Tacoma Intl

13h 54m

1 stop

SJU4:53 pmSan Juan Luis Munoz Marin Intl

$394

Find similar

JetBlue

Sep 12

SJU1:25 pmSan Juan Luis Munoz Marin Intl

11h 55m

1 stop

SEA10:20 pmSeattle/Tacoma Intl

Sep 14

SEA11:59 pmSeattle/Tacoma Intl

11h 57m

1 stop

SJU2:56 pmSan Juan Luis Munoz Marin Intl

$413

Find similar

Fly from

Fly to

Route

Depart

Return

Price

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

mié. 10/8

12:50 pm-10:10 pm

1 stop12h 20m

Seattle/Tacoma Intl

lun. 10/20

11:40 pm-4:42 pm

1 stop14h 02m

$362

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

mié. 10/8

3:00 pm-9:49 am

1 stop21h 49m

Seattle/Tacoma Intl

dom. 10/19

12:34 am-2:08 pm

1 stop10h 34m

$377

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

lun. 11/3

7:15 am-4:32 pm

2 stops13h 17m

Seattle/Tacoma Intl

lun. 11/17

6:00 am-11:17 pm

1 stop13h 17m

$417

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

mié. 11/26

2:25 pm-11:10 pm

1 stop12h 45m

Seattle/Tacoma Intl

jue. 12/4

5:05 am-10:22 pm

2 stops13h 17m

$464

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

mar. 9/9

9:26 pm-9:51 pm

1 stop27h 25m

Seattle/Tacoma Intl

mié. 9/17

2:35 pm-9:56 am

1 stop16h 21m

$466

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

mar. 10/7

1:05 am-10:47 am

1 stop12h 42m

Seattle/Tacoma Intl

lun. 10/20

10:54 pm-1:45 pm

1 stop11h 51m

$467

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

jue. 9/25

11:10 am-9:45 pm

2 stops13h 35m

Seattle/Tacoma Intl

vie. 10/3

5:00 am-7:25 pm

2 stops11h 25m

$487

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

vie. 9/26

11:10 am-9:45 pm

2 stops13h 35m

Seattle/Tacoma Intl

dom. 10/5

4:10 pm-9:05 am

2 stops13h 55m

$491

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

sáb. 9/20

7:00 am-9:58 pm

2 stops17h 58m

Seattle/Tacoma Intl

sáb. 9/27

6:00 am-10:00 pm

2 stops13h 00m

$496

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

vie. 9/26

7:40 pm-12:57 pm

2 stops20h 17m

Seattle/Tacoma Intl

dom. 10/5

9:15 am-7:14 pm

3 stops30h 59m

$550

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, October 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 $403. If you don’t want to visit Seattle in October, then you should wait until February to fly from San Juan, when ticket prices are also cheap, with an average price of $437.

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from San Juan is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $462. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Monday is the most expensive day to depart from San Juan because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $788.

What is the cheapest time of day to depart on your flight to Seattle?

Flying to Seattle from San Juan in the evening is the least expensive time of day to depart. momondo users have found prices as low as $453 when looking at flights departing in the evening. Flights to Seattle are more costly in the morning, with an average ticket price of $589. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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 $462 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

Direct flights	None

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. 11h 15m 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 August 2025, there are 6 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 $179	Free Cancellation	Rating 7.2 2,916 reviews	Search JetBlue flights
Spirit Airlines	PriceFrom $235	Free Cancellation	Rating 6.3 8,039 reviews	Search Spirit Airlines flights
United Airlines	PriceFrom $326	Free Cancellation	Rating 7.4 8,928 reviews	Search United Airlines flights
American Airlines	PriceFrom $336	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Delta	PriceFrom $445	Free Cancellation	Rating 7.9 7,982 reviews	Search Delta flights
Southwest	PriceFrom $555	Free Cancellation	Rating 8.0 4,246 reviews	Search Southwest flights

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SeaTac

Ocean Shores

Olympia

Renton

Kent

Lynnwood

Federal Way

Marysville

Puyallup

Tukwila

Kirkland

Lakewood

Centralia

Cle Elum

Shoreline

Fife

Redmond

Westport

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.