Cheap flights from Seattle to San Juan from CA$331

Cheap flights from Seattle to San Juan from CA$331

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1 stop
Mon, May 11
Seattle SEASan Juan SJU

CA$331
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1 stop
Sun, May 10
Seattle SEASan Juan SJU

CA$331
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1 stop
Tue, May 12
Seattle SEASan Juan SJU

CA$331
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1 stop
Sat, May 9
Seattle SEASan Juan SJU

CA$331
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1 stop
Mon, May 11
Seattle SEASan Juan SJU

CA$331
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1 stop
Sat, May 9
Seattle SEASan Juan SJU

CA$331
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1 stop
Sun, May 10 – Wed, May 13
Seattle SEASan Juan SJU

CA$793
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1 stop
Sat, May 9 – Wed, May 13
Seattle SEASan Juan SJU

CA$793
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1 stop
Sat, May 9 – Wed, May 13
Seattle SEASan Juan SJU

CA$793
Search
1 stop
Sun, May 10 – Wed, May 13
Seattle SEASan Juan SJU

CA$793
Search
1 stop
Sun, May 10 – Wed, May 13
Seattle SEASan Juan SJU

CA$793
Search
1 stop
Sat, May 9 – Wed, May 13
Seattle SEASan Juan SJU

CA$793
Search

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
400
Flight distance

Check-in for a flight from Seattle to San Juan

NameCarrier codeIATA CodePassport needed during booking
Frontier AirlinesFFTF9No
JetBlue AirwaysJBUB6No
WestJetWJAWSNo
Harbour Air (Priv)HESYBNo
United AirlinesUALUANo

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
25 Apr
88%
30°C23°C
2 May
30°C23°C
Sunday
26 Apr
88%
29°C23°C
3 May
84%
30°C24°C
Monday
27 Apr
82%
30°C23°C
4 May
31°C24°C
Tuesday
28 Apr
88%
28°C24°C
5 May
31°C24°C
Wednesday
29 Apr
86%
28°C23°C
6 May
31°C23°C
Thursday
30 Apr
78%
29°C23°C
7 May
88%
30°C24°C
Friday
1 May
78%
29°C24°C
8 May
86%
29°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 Frontier Airlines, JetBlue Airways, WestJet, Harbour Air (Priv), and United Airlines. Seattle and San Juan have 400 direct flights per week.

Frequently asked questions

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Popular routes

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