Cheap flights from Seattle to San Juan from $151

Cheap flights from Seattle to San Juan from $151

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3 stops
Tue, Mar 3
Seattle SEASan Juan SJU

$151
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2 stops
Tue, Mar 3
Seattle SEASan Juan SJU

$194
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2 stops
Sat, Mar 7
Seattle SEASan Juan SJU

$212
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1 stop
Tue, Mar 3
Seattle SEASan Juan SJU

$253
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1 stop
Tue, Mar 3
Seattle SEASan Juan SJU

$253
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1 stop
Wed, Mar 4
Seattle SEASan Juan SJU

$253
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2 stops
Sat, Mar 7 – Thu, Mar 12
Seattle SEASan Juan SJU

$371
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2 stops
Sun, Mar 1 – Thu, Mar 5
Seattle SEASan Juan SJU

$373
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2 stops
Sat, Mar 7 – Thu, Mar 12
Seattle SEASan Juan SJU

$418
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1 stop
Sun, Mar 1 – Wed, Mar 4
Seattle SEASan Juan SJU

$568
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1 stop
Sun, Mar 1 – Wed, Mar 4
Seattle SEASan Juan SJU

$568
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1 stop
Sun, Mar 1 – Wed, Mar 4
Seattle SEASan Juan SJU

$573
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How much do flights to San Juan cost?

Key info about flying to San Juan

Depart from
Seattle–Tacoma International
Arrive to
Luis Muñoz Marín International
Average flights per week
184
Flight distance

Check-in for a flight from Seattle to San Juan

NameCarrier codeIATA CodePassport needed during booking
United AirlinesUALUANo
Frontier AirlinesFFTF9No
JetBlue AirwaysJBUB6No
Spirit AirlinesNKSNKNo
Alaska AirlinesASAASNo

Weather in San Juan

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January27°C22°C
February27°C22°C
March27°C22°C
April28°C23°C
May29°C24°C
June30°C25°C
July30°C25°C
August30°C25°C
September30°C25°C
October29°C25°C
November28°C24°C
December27°C23°C
Hottest Month
30°C
August
Coldest month
22°C
February
Sunny days
252
days per year

14 day forecast

Saturday
14 Feb
25°C23°C
21 Feb
73%
28°C23°C
Sunday
15 Feb
26°C23°C
22 Feb
83%
28°C23°C
Monday
16 Feb
30°C24°C
23 Feb
77%
27°C23°C
Tuesday
17 Feb
83%
28°C22°C
24 Feb
88%
28°C23°C
Wednesday
18 Feb
88%
27°C22°C
25 Feb
87%
28°C23°C
Thursday
19 Feb
27°C23°C
26 Feb
84%
27°C23°C
Friday
20 Feb
71%
27°C22°C
27 Feb
80%
28°C23°C
Travelers usually depart from Seattle–Tacoma International, Boeing Field, or Kenmore Air Harbor Seaplane Base when they travel from Seattle to San Juan. The most popular airlines for this route are United Airlines, Frontier Airlines, JetBlue Airways, Spirit Airlines, and Alaska Airlines. Seattle and San Juan have 184 direct flights per week.

Frequently asked questions

What are the most popular routes to and from Seattle?
What are the most popular routes to and from San Juan?
Which airports are there in Seattle?
What airports are near Seattle?
What airports are near San Juan?
Which airlines fly between Seattle and San Juan?
When’s the best time to travel between Seattle and San Juan?
What flights operate between Seattle and San Juan?
How many airports are there near Seattle?
How many airports are there near San Juan?
What time do nonstop (direct) flights between Seattle and San Juan depart?
What time do nonstop (direct) flights between Seattle and San Juan arrive?
What time do flights between Seattle and San Juan depart?
What time do flights between Seattle and San Juan arrive?

Explore alternative trips

Flights from Seattle

Flights to San Juan

Popular routes

The nearest countries with flights to San Juan

Here is a list of countries people are flying from

Other destination countries from Seattle

Here is a list of countries people are flying to

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