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Cheap flights from San Juan to Seattle (SEA)

SJU — SEA
Oct 22 — Oct 291
Thu 10/22
Thu 10/29
1 adult, Economy
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Find flight deals from San Juan to Seattle

Popular in

July

Cheapest in

February

Average price

$476
Highest demand for flights based on searches. 10% potential increase in price ($64 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in September 2026
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Best time to book a flight from San Juan to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from San Juan with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from San Juan to Seattle

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

The best time to book flights from San Juan to Seattle is 31 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.

What is the cheapest month to book a flight from San Juan to Seattle?

Currently, February is the cheapest month in which you can book a flight from San Juan to Seattle (average of $384). Flying from San Juan to Seattle in July is currently the most expensive (average of $608). 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.

Reviews of airlines servicing Seattle

Read reviews from past customers who have flown Southwest,Delta, andUnited Airlines from San Juan to Seattle. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,194 reviews

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

8.0

Food

7.0

Boarding

8.1

Reviews

1 / 20
4.0
Okay

Steven,Sep 2026

OGG - HNL

It was a red eye overnight which I prefer. But this time the seat was SOOOO uncomfortable that sleeping was difficult and painful
Southwest
8.0
Very good
4,194 reviews
Southwest
8.0
Very good
4,194 reviews

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

8.0

Food

7.0

Boarding

8.1

Reviews

1 / 20
4.0
Okay

Steven,Sep 2026

OGG - HNL

It was a red eye overnight which I prefer. But this time the seat was SOOOO uncomfortable that sleeping was difficult and painful
Delta
7.8
Good
8,597 reviews
Southwest
8.0
Very good
4,194 reviews

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

8.0

Food

7.0

Boarding

8.1

Reviews

1 / 20
4.0
Okay

Steven,Sep 2026

OGG - HNL

It was a red eye overnight which I prefer. But this time the seat was SOOOO uncomfortable that sleeping was difficult and painful
United Airlines
7.4
Good
10,222 reviews
Southwest
8.0
Very good
4,194 reviews

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

8.0

Food

7.0

Boarding

8.1

Reviews

1 / 20
4.0
Okay

Steven,Sep 2026

OGG - HNL

It was a red eye overnight which I prefer. But this time the seat was SOOOO uncomfortable that sleeping was difficult and painful
JetBlue
7.1
Good
3,036 reviews
Southwest
8.0
Very good
4,194 reviews

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

8.0

Food

7.0

Boarding

8.1

Reviews

1 / 20
4.0
Okay

Steven,Sep 2026

OGG - HNL

It was a red eye overnight which I prefer. But this time the seat was SOOOO uncomfortable that sleeping was difficult and painful
American Airlines
7.0
Good
12,076 reviews
Southwest
8.0
Very good
4,194 reviews

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

8.0

Food

7.0

Boarding

8.1

Reviews

1 / 20
4.0
Okay

Steven,Sep 2026

OGG - HNL

It was a red eye overnight which I prefer. But this time the seat was SOOOO uncomfortable that sleeping was difficult and painful

Related info for your journey

  • What airport do you fly into for flights to Seattle from San Juan?

    Seattle/Tacoma Intl (SEA) is the airport you will fly into if you book a flight from San Juan to Seattle. You should not have trouble finding flights to Seattle/Tacoma Intl from San Juan; the airport handles an average of 0 inbound flights from San Juan per day. You should also have plenty of airline options to choose from since 5 airlines have flights to the Seattle airport from San Juan. It is only a 11.4 mi journey from Seattle/Tacoma Intl (SEA) to Seattle’s city center.

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

    Our cheapest airline available from San Juan to Seattle is Delta. Our recent data shows that you can find tickets from as low as $182 on this airline. Additional options worth looking into are JetBlue and American Airlines, starting at $266 and $371 round-trip. Delta is currently priced 66% below the average price you’ll pay for this route.

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

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $182. United Airlines flights start at $192 while deals on Delta start at $218 one-way.

  • Can I find deals for flights from San Juan to Seattle that include hotel bookings?

    Yes. In addition to deals on San Juan to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Juan to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Juan to Seattle.

  • Can I find deals for business class flights from San Juan to Seattle?

    Yes. Cheapflights offers flight deals from San Juan to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Juan to Seattle?

    Currently, February is the cheapest month in which you can book a flight from San Juan to Seattle (average of $384). Flying from San Juan to Seattle in July is currently the most expensive (average of $608). 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.

See more FAQs

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Renton
Tacoma
Lacey
Leavenworth
Olympia
Tukwila
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Puyallup
Lynnwood
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Kent
Tumwater
Ellensburg
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Marysville
Ocean Shores
Lakewood
Fife
Poulsbo

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Alternative routes for San Juan to Seattle

Aguadilla to Seattle flights

Top 5 airlines flying from San Juan to Seattle

AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$182Average$594FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$266Average$526FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$371Average$587FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$434Average$556FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$463Average$661FlexibilityNo cancel feeOn-time63%

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