Cheap flights from Seattle to San Juan from CA$221

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2 stops
Fri, Dec 5
Seattle SEASan Juan SJU

CA$221
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2 stops
Thu, Dec 4
Seattle SEASan Juan SJU

CA$247
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2 stops
Thu, Dec 4
Seattle SEASan Juan SJU

CA$254
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2 stops
Thu, Dec 4
Seattle SEASan Juan SJU

CA$285
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2 stops
Fri, Dec 5
Seattle SEASan Juan SJU

CA$291
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1 stop
Fri, Dec 5
Seattle SEASan Juan SJU

CA$303
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2 stops
Fri, Dec 5 – Thu, Dec 11
Seattle SEASan Juan SJU

CA$481
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2 stops
Fri, Dec 5 – Mon, Dec 8
Seattle SEASan Juan SJU

CA$554
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1 stop
Fri, Dec 5 – Thu, Dec 11
Seattle SEASan Juan SJU

CA$562
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2 stops
Thu, Dec 4 – Mon, Dec 8
Seattle SEASan Juan SJU

CA$606
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1 stop
Fri, Dec 5 – Mon, Dec 8
Seattle SEASan Juan SJU

CA$637
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1 stop
Fri, Dec 5 – Wed, Dec 10
Seattle SEASan Juan SJU

CA$853
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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
152
Flight distance

Check-in for a flight from Seattle to San Juan

NameCarrier codeIATA CodePassport needed during booking
Frontier AirlinesFFTF9No
United AirlinesUALUANo
Spirit AirlinesNKSNKNo
JetBlue AirwaysJBUB6No
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
8 Nov
31°C26°C
15 Nov
84%
29°C24°C
Sunday
9 Nov
84%
31°C27°C
16 Nov
72%
30°C24°C
Monday
10 Nov
29°C26°C
17 Nov
30°C24°C
Tuesday
11 Nov
89%
29°C25°C
18 Nov
74%
29°C25°C
Wednesday
12 Nov
88%
29°C25°C
19 Nov
28°C24°C
Thursday
13 Nov
88%
29°C25°C
20 Nov
89%
27°C24°C
Friday
14 Nov
30°C25°C
21 Nov
89%
26°C24°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 Frontier Airlines, United Airlines, Spirit Airlines, JetBlue Airways, and Alaska Airlines. Seattle and San Juan have 152 direct flights per week.

Frequently asked questions

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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?
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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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