Cheap flights from Seattle to San Juan from $247

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1 stop
Sun, Jun 22
Seattle SEASan Juan SJU

$247
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1 stop
Thu, Jun 19
Seattle SEASan Juan SJU

$348
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1 stop
Thu, Jun 19
Seattle SEASan Juan SJU

$348
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1 stop
Thu, Jun 19
Seattle SEASan Juan SJU

$348
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1 stop
Thu, Jun 19
Seattle SEASan Juan SJU

$348
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1 stop
Mon, Jun 23
Seattle SEASan Juan SJU

$357
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Prices updated:

1 stop
Mon, Jun 23 – Thu, Jun 26
Seattle SEASan Juan SJU

$574
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1 stop
Mon, Jun 23 – Fri, Jun 27
Seattle SEASan Juan SJU

$619
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1 stop
Sat, Jun 21 – Fri, Jun 27
Seattle SEASan Juan SJU

$666
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1 stop
Mon, Jun 23 – Fri, Jun 27
Seattle SEASan Juan SJU

$684
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1 stop
Wed, Jun 25 – Sat, Jun 28
Seattle SEASan Juan SJU

$729
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1 stop
Wed, Jun 25 – Sat, Jun 28
Seattle SEASan Juan SJU

$729
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Prices updated:

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
147
Flight distance

Check-in for a flight from Seattle to San Juan

NameCarrier codeIATA CodePassport needed during booking
United AirlinesUALUANo
Alaska AirlinesASAASNo
American AirlinesAALAANo
Hawaiian AirlinesHALHANo
Silver AirwaysSIL3MNo

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
251
days per year

14 day forecast

Saturday
24 May
28°C26°C
31 May
86%
29°C25°C
Sunday
25 May
29°C25°C
1 Jun
87%
30°C26°C
Monday
26 May
29°C26°C
2 Jun
88%
30°C26°C
Tuesday
27 May
87%
29°C25°C
3 Jun
88%
29°C25°C
Wednesday
28 May
87%
28°C25°C
4 Jun
88%
29°C25°C
Thursday
29 May
86%
28°C25°C
5 Jun
76%
29°C25°C
Friday
30 May
88%
29°C25°C
6 Jun
86%
30°C25°C
Travelers usually depart from Seattle–Tacoma International, Kenmore Air Harbor Seaplane Base, or Boeing Field when they travel from Seattle to San Juan. Book your trip to arrive at Luis Muñoz Marín International, or Fernando Luis Ribas Dominicci. The most popular airlines for this route are United Airlines, Alaska Airlines, American Airlines, Hawaiian Airlines, and Silver Airways. Seattle and San Juan have 147 direct flights per week.

Frequently asked questions

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What time do flights between Seattle and San Juan arrive?

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