Cheap flights from Seattle (SEA) to San Juan from $142

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/13. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SEA — SJU
Mar 23 — Mar 301

The best prices from Seattle/Tacoma Intl to San Juan are usually found in January or October, booked 86 days in advance, depart on a Monday or Wednesday and return on a Wednesday

Cheap flight deals from Seattle to San Juan

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to San Juan (PR1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 19, 2024.

Popular in

June

Cheapest in

January

Round-trip from

$255

One-way from

$200
High demand for flights, 33% potential price rise
Best time to find cheap flights, 34% potential price drop
From Seattle/Tacoma Intl to San Juan
One-way flight from Seattle/Tacoma Intl to San Juan

What is the cheapest day to fly round-trip from Seattle to San Juan?

Users have found that leaving on a Sunday can be a cost-effective option. It’s possible to save up to 29% on your flight compared to booking on days when demand is much higher.

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

To save up to 98% on this flight, we recommend booking at least 16 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Seattle to San Juan from $620 1-2 weeks out and tickets from $869 for flights departing within the next 72 hours.

What is the cheapest month to fly from Seattle to San Juan?

January can be a great time to fly to San Juan from Seattle with a flight ticket averaging about $597. Cheapflights users have found deals in the month of January for as cheap as $180. The most expensive prices can be found in the month of June.

When is the cheapest time to fly from Seattle to San Juan (SEA - SJU)?

It’s typically best to fly out from Seattle to San Juan in the afternoon. Doing so could potentially save you 28% on the flight price compared to flying in the evening, which is usually more expensive.

Cheap American Airlines flights from Seattle to San Juan

Explore cheap flight options specifically provided by American Airlines for the route between Seattle and San Juan. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Take a look at some of the lowest-priced American Airlines flights heading from Seattle to San Juan. Make sure to check back often as deals are often changing.
Tue 4/3010:58 pmSEA - SJU
1 stop12h 37mAmerican Airlines
Tue 5/72:30 pmSJU - SEA
1 stop12h 10mAmerican Airlines
Deal found 3/18$392
Sat 5/46:00 amSEA - SJU
1 stop11h 36mAmerican Airlines
Wed 5/88:00 amSJU - SEA
1 stop17h 41mAmerican Airlines
Deal found 3/18$401
Sat 4/2011:30 pmSEA - SJU
2 stops14h 05mAmerican Airlines
Wed 4/2411:50 amSJU - SEA
1 stop14h 41mAmerican Airlines
Deal found 3/18$403
Sun 4/286:00 amSEA - SJU
1 stop11h 36mAmerican Airlines
Fri 5/38:00 amSJU - SEA
1 stop17h 10mAmerican Airlines
Deal found 3/18$441
Tue 9/311:59 pmSEA - SJU
1 stop18h 43mAmerican Airlines
Thu 9/122:09 pmSJU - SEA
2 stops12h 50mAmerican Airlines
Deal found 3/18$443
Tue 4/3011:30 pmSEA - SJU
2 stops14h 05mAmerican Airlines
Tue 5/72:30 pmSJU - SEA
1 stop12h 10mAmerican Airlines
Deal found 3/18$444
Sat 9/75:43 amSEA - SJU
1 stop15h 39mAmerican Airlines
Sun 9/157:32 amSJU - SEA
1 stop16h 41mAmerican Airlines
Deal found 3/18$448
Sat 8/316:00 amSEA - SJU
1 stop12h 42mAmerican Airlines
Sat 9/78:44 amSJU - SEA
2 stops14h 01mAmerican Airlines
Deal found 3/18$485
Fri 5/310:58 pmSEA - SJU
1 stop12h 37mAmerican Airlines
Thu 5/912:45 amSJU - SEA
1 stop21h 36mAmerican Airlines
Deal found 3/18$536

Cheap United Airlines flights from Seattle to San Juan

Explore cheap flight options specifically provided by United Airlines for the route between Seattle and San Juan. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Take a gander at the lowest prices we've found on United Airlines flights from Seattle to San Juan. Make sure to examine the flight information before completing your reservation.
Mon 4/294:47 pmSEA - SJU
2 stops16h 42mUnited Airlines
Wed 5/11:05 amSJU - SEA
1 stop12h 27mUnited Airlines
Deal found 3/18$402
Tue 4/94:19 pmSEA - SJU
2 stops17h 10mUnited Airlines
Wed 4/171:40 pmSJU - SEA
1 stop12h 20mUnited Airlines
Deal found 3/18$442
Mon 4/1511:49 pmSEA - SJU
1 stop11h 53mUnited Airlines
Tue 4/161:05 amSJU - SEA
1 stop13h 01mUnited Airlines
Deal found 3/17$447
Wed 4/177:15 amSEA - SJU
1 stop10h 23mUnited Airlines
Tue 4/231:05 amSJU - SEA
1 stop13h 01mUnited Airlines
Deal found 3/18$452
Tue 4/1611:59 pmSEA - SJU
1 stop12h 43mUnited Airlines
Thu 4/251:40 pmSJU - SEA
1 stop12h 20mUnited Airlines
Deal found 3/18$453
Wed 4/105:00 amSEA - SJU
1 stop9h 30mUnited Airlines
Wed 4/171:40 pmSJU - SEA
1 stop12h 20mUnited Airlines
Deal found 3/18$464
Wed 4/107:15 amSEA - SJU
1 stop10h 23mUnited Airlines
Fri 4/191:40 pmSJU - SEA
1 stop12h 20mUnited Airlines
Deal found 3/18$493
Sun 4/285:00 amSEA - SJU
1 stop9h 30mUnited Airlines
Thu 5/21:05 amSJU - SEA
1 stop12h 27mUnited Airlines
Deal found 3/18$512
Sat 4/207:15 amSEA - SJU
1 stop10h 23mUnited Airlines
Tue 4/231:05 amSJU - SEA
2 stops20h 40mUnited Airlines
Deal found 3/18$513

Cheap Seattle to San Juan flights in March & April 2024

Find cheap flight options from Seattle to San Juan specifically for the months of March and April 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,145,932 searches. Prices were last updated on March 19, 2024.
Scroll through some of the best deals on flights from Seattle to San Juan in 2024. Check back soon for alternative fares.
Sat 4/272:55 pmSEA - SJU
2 stops20h 43mMultiple Airlines
Fri 5/38:29 pmSJU - SEA
2 stops20h 26mMultiple Airlines
Deal found 3/18$357
Tue 4/169:38 amSEA - SJU
3 stops30h 24mSpirit Airlines
Tue 4/2312:40 pmSJU - SEA
2 stops23h 05mSpirit Airlines
Deal found 3/17$365
Tue 4/169:38 amSEA - SJU
3 stops30h 24mSpirit Airlines
Tue 4/2312:40 pmSJU - SEA
2 stops23h 05mSpirit Airlines
Deal found 3/18$367
Tue 4/169:38 amSEA - SJU
3 stops30h 24mSpirit Airlines
Tue 4/2312:40 pmSJU - SEA
2 stops23h 05mSpirit Airlines
Deal found 3/17$368
Tue 4/169:38 amSEA - SJU
3 stops30h 24mSpirit Airlines
Tue 4/2312:35 pmSJU - SEA
3 stops23h 10mSpirit Airlines
Deal found 3/17$371
Wed 4/179:38 amSEA - SJU
2 stops13h 10mSpirit Airlines
Wed 4/2412:40 pmSJU - SEA
2 stops23h 05mSpirit Airlines
Deal found 3/18$373
Tue 4/169:38 amSEA - SJU
3 stops30h 24mSpirit Airlines
Tue 4/2312:35 pmSJU - SEA
3 stops23h 10mSpirit Airlines
Deal found 3/17$375
Wed 4/179:38 amSEA - SJU
2 stops13h 10mMultiple Airlines
Tue 4/231:49 amSJU - SEA
2 stops18h 06mMultiple Airlines
Deal found 3/18$376
Wed 4/179:38 amSEA - SJU
2 stops13h 10mSpirit Airlines
Wed 4/245:00 amSJU - SEA
3 stops42h 29mSpirit Airlines
Deal found 3/18$378

Seattle to San Juan 2024 flight deals

Discover exclusive flight deals for travel between Seattle and San Juan in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Scroll through some of the best deals on flights from Seattle to San Juan in 2024. Check back soon for alternative fares.
Wed 10/27:40 amSEA - SJU
1 stop13h 42mAmerican Airlines
Wed 10/166:00 amSJU - SEA
1 stop18h 33mAmerican Airlines
Deal found 3/17$312
Wed 9/411:59 pmSEA - SJU
1 stop18h 43mAmerican Airlines
Wed 9/182:09 pmSJU - SEA
2 stops12h 50mAmerican Airlines
Deal found 3/17$351
Sat 8/245:43 amSEA - SJU
1 stop15h 39mAmerican Airlines
Sat 8/312:09 pmSJU - SEA
2 stops12h 50mAmerican Airlines
Deal found 3/17$352
Sat 4/272:55 pmSEA - SJU
2 stops20h 43mMultiple Airlines
Fri 5/38:29 pmSJU - SEA
2 stops20h 26mMultiple Airlines
Deal found 3/18$357
Tue 4/169:38 amSEA - SJU
3 stops30h 24mSpirit Airlines
Tue 4/2312:40 pmSJU - SEA
2 stops23h 05mSpirit Airlines
Deal found 3/17$365
Tue 4/169:38 amSEA - SJU
3 stops30h 24mSpirit Airlines
Tue 4/2312:40 pmSJU - SEA
2 stops23h 05mSpirit Airlines
Deal found 3/18$367
Tue 4/169:38 amSEA - SJU
3 stops30h 24mSpirit Airlines
Tue 4/2312:40 pmSJU - SEA
2 stops23h 05mSpirit Airlines
Deal found 3/17$368
Tue 4/169:38 amSEA - SJU
3 stops30h 24mSpirit Airlines
Tue 4/2312:35 pmSJU - SEA
3 stops23h 10mSpirit Airlines
Deal found 3/17$371
Wed 4/179:38 amSEA - SJU
2 stops13h 10mSpirit Airlines
Wed 4/2412:40 pmSJU - SEA
2 stops23h 05mSpirit Airlines
Deal found 3/18$373

Seattle to San Juan flights leaving soon

Find last-minute flight options from Seattle to San Juan for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Consider one of these great deals we found on last-minute flights from Seattle to San Juan. Users should be sure to double check the price, date, and time of their last-minute flight.
Wed 3/276:31 pmSEA - SJU
1 stop17h 37mMultiple Airlines
Tue 4/22:57 amSJU - SEA
2 stops18h 39mMultiple Airlines
Deal found 3/17$415
Wed 3/276:31 pmSEA - SJU
2 stops28h 00mMultiple Airlines
Tue 4/22:30 amSJU - SEA
3 stops33h 21mMultiple Airlines
Deal found 3/17$460
Wed 3/276:31 pmSEA - SJU
1 stop17h 37mMultiple Airlines
Tue 4/22:30 amSJU - SEA
3 stops33h 21mMultiple Airlines
Deal found 3/17$475
Wed 3/276:31 pmSEA - SJU
1 stop17h 37mMultiple Airlines
Wed 4/310:01 pmSJU - SEA
2 stops27h 40mMultiple Airlines
Deal found 3/17$476
Wed 3/276:31 pmSEA - SJU
2 stops28h 00mMultiple Airlines
Wed 4/38:36 pmSJU - SEA
2 stops26h 46mMultiple Airlines
Deal found 3/17$487
Wed 3/276:31 pmSEA - SJU
3 stops28h 00mMultiple Airlines
Tue 4/22:30 amSJU - SEA
3 stops33h 21mMultiple Airlines
Deal found 3/17$503
Wed 3/276:31 pmSEA - SJU
2 stops28h 00mMultiple Airlines
Wed 4/36:05 amSJU - SEA
3 stops29h 46mMultiple Airlines
Deal found 3/17$504
Wed 3/276:31 pmSEA - SJU
3 stops28h 00mMultiple Airlines
Wed 4/36:05 amSJU - SEA
3 stops29h 46mMultiple Airlines
Deal found 3/17$546
Thu 3/287:11 pmSEA - SJU
2 stops21h 03mMultiple Airlines
Sun 3/311:45 amSJU - SEA
3 stops34h 06mMultiple Airlines
Deal found 3/18$564

One-way flights to San Juan from Seattle

Search for one-way flight options from Seattle to San Juan. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Users traveling one-way from Seattle to San Juan can select one of these great deals. For those needing a return trip from Seattle, there is a search form available above.
Sat 4/132:40 pmSEA - SJU
2 stops38h 54mFrontier
Deal found 3/17$142
Fri 4/126:00 amSEA - SJU
1 stop11h 36mAmerican Airlines
Deal found 3/17$155
Fri 4/126:03 pmSEA - SJU
2 stops30h 20mFrontier
Deal found 3/17$159
Wed 4/175:58 pmSEA - SJU
3 stops59h 36mMultiple Airlines
Deal found 3/18$165
Fri 4/126:03 pmSEA - SJU
3 stops21h 59mMultiple Airlines
Deal found 3/17$168
Wed 4/179:55 amSEA - SJU
2 stops36h 44mMultiple Airlines
Deal found 3/18$183
Sun 3/2411:59 pmSEA - SJU
2 stops31h 40mMultiple Airlines
Deal found 3/18$195
Sat 4/1310:54 pmSEA - SJU
1 stop12h 06mAmerican Airlines
Deal found 3/17$196
Sat 4/139:38 amSEA - SJU
3 stops23h 07mSpirit Airlines
Deal found 3/17$197

Find flights from Seattle to San Juan within your budget

Customize your flight search to find flights from Seattle to San Juan that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$349 - $516

Route

Depart

Return

Price

Seattle/Tacoma IntlSan Juan Luis Munoz Marin Intl

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Tue 4/9

2 stops13h 09m

San Juan Luis Munoz Marin Intl

Wed 4/17

2 stops23h 05m

$349

Seattle/Tacoma IntlSan Juan Luis Munoz Marin Intl

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Tue 4/9

3 stops29h 26m

San Juan Luis Munoz Marin Intl

Wed 4/17

2 stops23h 05m

$351

Seattle/Tacoma IntlSan Juan Luis Munoz Marin Intl

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Sun 4/28

2 stops37h 08m

San Juan Luis Munoz Marin Intl

Fri 5/3

2 stops20h 26m

$352

Seattle/Tacoma IntlSan Juan Luis Munoz Marin Intl

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Sat 4/27

2 stops20h 43m

San Juan Luis Munoz Marin Intl

Fri 5/3

2 stops20h 26m

$357

Seattle/Tacoma IntlSan Juan Luis Munoz Marin Intl

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Tue 4/30

1 stop12h 37m

San Juan Luis Munoz Marin Intl

Tue 5/7

1 stop12h 10m

$392

Seattle/Tacoma IntlSan Juan Luis Munoz Marin Intl

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Mon 4/29

2 stops16h 42m

San Juan Luis Munoz Marin Intl

Wed 5/1

1 stop12h 27m

$402

Seattle/Tacoma IntlSan Juan Luis Munoz Marin Intl

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Fri 4/26

1 stop10h 19m

San Juan Luis Munoz Marin Intl

Fri 5/3

1 stop15h 09m

$416

Seattle/Tacoma IntlSan Juan Luis Munoz Marin Intl

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Tue 4/23

1 stop12h 59m

San Juan Luis Munoz Marin Intl

Sun 4/28

1 stop15h 20m

$454

Seattle/Tacoma IntlSan Juan Luis Munoz Marin Intl

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Fri 8/23

1 stop12h 20m

San Juan Luis Munoz Marin Intl

Sat 8/31

1 stop18h 33m

$516

Flights are sorted by cheapest first

Deals found on 3/18

When is the best time to book a flight from Seattle to San Juan?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to San Juan. Price data was last updated on January 28, 2024.
The best time to book flights from Seattle to San Juan is 86 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Search Deals

When is the cheapest time to fly from Seattle to San Juan?

Use this chart to determine the cheapest time to fly round-trip from Seattle to San Juan. Price data was last updated on March 10, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Seattle to San Juan flight should consider departing on Monday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to San Juan by month

Plan your trip from Seattle to San Juan by taking into account the cheapest months to travel. The average price of a one-way flight from Seattle to San Juan is currently $173 while a round-trip flight costs $399. Price data was last updated on March 10, 2024.

Currently, September is the cheapest month in which you can book a flight from Seattle to San Juan (average of $255). Flying from Seattle to San Juan in March is currently the most expensive (average of $342). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

January

$278

February

$286

March

$342

April

$313

May

$285

June

$327

July

$338

August

$280

September

$255

October

$264

November

$298

December

$300

Temperature and rainfall in San Juan by month

Plan your trip to San Juan by taking into account the average temperature and rainfall totals by month.

SJU

Temperature

77 - 82.4 °F

Reviews of airlines servicing San Juan

Get insights into the airlines that provide service to San Juan. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Juan. Reviews last updated March 19, 2024.
To help decide which airline to fly from Seattle to San Juan, see what other customers have to say about American Airlines, United Airlines and JetBlue. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very good
11,551 reviews

Food

7.5

Comfort

7.9

Entertainment

8.1

Crew

8.6

Overall

8.1

Boarding

8.2

Reviews

1 / 10

It was a good experience other than a short delay.

8.1
Very good
11,551 reviews
8.1
Very good
11,551 reviews

Food

7.5

Comfort

7.9

Entertainment

8.1

Crew

8.6

Overall

8.1

Boarding

8.2

Reviews

1 / 10

It was a good experience other than a short delay.

7.7
Good
4,934 reviews
8.1
Very good
11,551 reviews

Food

7.5

Comfort

7.9

Entertainment

8.1

Crew

8.6

Overall

8.1

Boarding

8.2

Reviews

1 / 10

It was a good experience other than a short delay.

7.4
Good
11,618 reviews
8.1
Very good
11,551 reviews

Food

7.5

Comfort

7.9

Entertainment

8.1

Crew

8.6

Overall

8.1

Boarding

8.2

Reviews

1 / 10

It was a good experience other than a short delay.

7.3
Good
15,312 reviews
8.1
Very good
11,551 reviews

Food

7.5

Comfort

7.9

Entertainment

8.1

Crew

8.6

Overall

8.1

Boarding

8.2

Reviews

1 / 10

It was a good experience other than a short delay.

7.3
Good
704 reviews
8.1
Very good
11,551 reviews

Food

7.5

Comfort

7.9

Entertainment

8.1

Crew

8.6

Overall

8.1

Boarding

8.2

Reviews

1 / 10

It was a good experience other than a short delay.

Related info for your journey

Find useful and relevant information for your journey from Seattle to San Juan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from Seattle to San Juan?

    Located just 11.4 mi from the city center, Seattle/Tacoma Intl is the airport most travelers will use when flying to San Juan from Seattle. Booking flights from Seattle/Tacoma Intl (SEA) to San Juan should be relatively easy as there are 0 daily outbound flights to San Juan from 8 different airlines.

  • Can I find flights from Seattle to San Juan for under $400 on Cheapflights?

    Yes, there are multiple flights from Seattle to San Juan for under $400. The cheapest flight booked recently is on Spirit Airlines for just $349, but on average you can expect to pay $377.

  • Are there last-minute flights available from Seattle to San Juan for under $500?

    There are currently 20+ open flights from Seattle to San Juan within the next 7 days for less than $500.

  • What are the cheapest airlines flying from Seattle to San Juan round-trip?

    Our cheapest airline available from Seattle to San Juan is Spirit Airlines. Our recent data shows that you can find tickets from as low as $349 on this airline. Additional options worth looking into are American Airlines and United Airlines, starting at $392 and $402 round-trip. Spirit Airlines is currently priced 41% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Seattle to San Juan one-way?

    $142 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on American Airlines and Spirit Airlines, with prices starting from $155 and $197, respectively.

  • What are the most popular airlines that fly from Seattle to San Juan?

  • What does SEA to SJU mean?

    SEA and SJU are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. SEA to SJU refers to a flight route from Seattle/Tacoma Intl Airport to San Juan Luis Munoz Marin Intl Airport. While you’re still figuring out your travel plans, it’s not a bad idea to learn the names and codes of other airports around these areas: Ponce Mercedita Airport (PSE), San Juan Isla Grande Airport (SIG), Culebra Airport (CPX), Vieques Airport (VQS), Ceiba J. Aponte de la Torre Airport (NRR).

  • Where are the most common layover locations when flying from Seattle to San Juan?

  • What are some popular things to do or see while on a layover in Charlotte?

    Most Charlotte visitors opt to spend their time experiencing Carowind, NASCAR Hall of Fame, and North Carolina Blumenthal Performing Arts Center. Travelers on a layover in Charlotte can visit Carowind, NASCAR Hall of Fame, and North Carolina Blumenthal Performing Arts Center, by traveling 8.2 mi, 5.7 mi, and 5.8 mi, respectively after landing at Charlotte Douglas. Travelers can book a car rental at Charlotte Douglas for about $56 per day to make their sightseeing more efficient.

  • What are some popular points of interest to see during a layover in Miami?

    Bayfront Park, Bayside Marketplace, and Marlins Park are currently the most popular points of interest in Miami at the moment. Those on a layover in Miami interested in visiting Bayfront Park, Bayside Marketplace, or Marlins Park can do so by traveling 6.4 mi, 6.4 mi, and 4.3 mi, respectively from Miami. Those looking to explore during their layover in Miami can rent a car from Miami for about $39 per day.

  • Where are the least popular layover locations for Seattle to San Juan flights?

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Seattle to San Juan
See prices for flight routes from nearby airports that may be better suited for you.

Top 8 airlines flying from Seattle to San Juan

Discover the top 8 airlines that operate flights from Seattle to San Juan. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$236Average$623FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
JetBlueCheapest$240Average$655FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
Spirit AirlinesCheapest$242Average$503FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
Sun Country AirCheapest$273Average$798FlexibilityNo cancel feeOn-time83%
Search Sun Country Air flights
American AirlinesCheapest$308Average$519FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest$373Average$834FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Alaska AirlinesCheapest$518Average$569FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
Linear Air TaxiCheapest$40,904Average$181,768FlexibilityNo cancel feeOn-timeN/A
Search Linear Air Taxi flights

Search flights from Seattle to San Juan by cabin class

Find flights from Seattle to San Juan, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Seattle to San Juan?

Cheapflights helps you search for flights from Seattle to San Juan via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Seattle to San Juan?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to San Juan from Seattle.

Can Cheapflights find flights from Seattle to San Juan with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Seattle to San Juan flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Seattle to San Juan become cheaper?

Not ready to book yet? You can track prices for flights from Seattle to San Juan on Cheapflights with our Price Alert feature and get notified when better prices are available.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.