Cheap flights from Athens to San Juan from CA $1,138

View CA $1,138 flight on Tue, Oct. 7, 2025Opens in a new window

Popular airlines from Athens to San Juan

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Cheap flights from Athens (ATH) to San Juan (SJU)

Prices were available within the past 7 days and start at CA $1,138 for one-way flights and CA $1,158 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air France
Fri, Oct. 10 - Sat, Oct. 11
ATH
Athens
SJU
San Juan
CA $1,158 Roundtrip, found 6 days ago
CA $1,158
Roundtrip
found 6 days ago
Select Air France flight, departing Fri, Oct. 10 from Athens to San Juan, returning Sat, Oct. 11, priced at CA $1,158 found 6 days ago
American Airlines
Thu, Oct. 9 - Tue, Oct. 21
ATH
Athens
SJU
San Juan
CA $1,281 Roundtrip, found 6 days ago
CA $1,281
Roundtrip
found 6 days ago
Select American Airlines flight, departing Thu, Oct. 9 from Athens to San Juan, returning Tue, Oct. 21, priced at CA $1,281 found 6 days ago
Delta
Thu, Oct. 30 - Sat, Nov. 15
ATH
Athens
SJU
San Juan
CA $1,292 Roundtrip, found 6 days ago
CA $1,292
Roundtrip
found 6 days ago
Select Delta flight, departing Thu, Oct. 30 from Athens to San Juan, returning Sat, Nov. 15, priced at CA $1,292 found 6 days ago
United
Sun, Sep. 28 - Wed, Oct. 8
ATH
Athens
SJU
San Juan
CA $1,293 Roundtrip, found 6 days ago
CA $1,293
Roundtrip
found 6 days ago
Select United flight, departing Sun, Sep. 28 from Athens to San Juan, returning Wed, Oct. 8, priced at CA $1,293 found 6 days ago
Delta
Thu, Oct. 30 - Tue, Nov. 11
ATH
Athens
SJU
San Juan
CA $1,298 Roundtrip, found 6 days ago
CA $1,298
Roundtrip
found 6 days ago
Select Delta flight, departing Thu, Oct. 30 from Athens to San Juan, returning Tue, Nov. 11, priced at CA $1,298 found 6 days ago
American Airlines
Thu, Oct. 9 - Thu, Oct. 23
ATH
Athens
SJU
San Juan
CA $1,298 Roundtrip, found 6 days ago
CA $1,298
Roundtrip
found 6 days ago
Select American Airlines flight, departing Thu, Oct. 9 from Athens to San Juan, returning Thu, Oct. 23, priced at CA $1,298 found 6 days ago
Delta
Mon, Oct. 20 - Sat, Nov. 8
ATH
Athens
SJU
San Juan
CA $1,301 Roundtrip, found 6 days ago
CA $1,301
Roundtrip
found 6 days ago
Select Delta flight, departing Mon, Oct. 20 from Athens to San Juan, returning Sat, Nov. 8, priced at CA $1,301 found 6 days ago
American Airlines
Thu, Sep. 11 - Mon, Sep. 29
ATH
Athens
SJU
San Juan
CA $1,304 Roundtrip, found 6 days ago
CA $1,304
Roundtrip
found 6 days ago
Select American Airlines flight, departing Thu, Sep. 11 from Athens to San Juan, returning Mon, Sep. 29, priced at CA $1,304 found 6 days ago
United
Fri, Oct. 10 - Sun, Oct. 26
ATH
Athens
SJU
San Juan
CA $1,305 Roundtrip, found 6 days ago
CA $1,305
Roundtrip
found 6 days ago
Select United flight, departing Fri, Oct. 10 from Athens to San Juan, returning Sun, Oct. 26, priced at CA $1,305 found 6 days ago
Lufthansa
Mon, Oct. 13 - Tue, Oct. 28
ATH
Athens
SJU
San Juan
CA $1,333 Roundtrip, found 6 days ago
CA $1,333
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Mon, Oct. 13 from Athens to San Juan, returning Tue, Oct. 28, priced at CA $1,333 found 6 days ago
Virgin Atlantic
Fri, Oct. 31 - Wed, Nov. 12
ATH
Athens
SJU
San Juan
CA $1,336 Roundtrip, found 6 days ago
CA $1,336
Roundtrip
found 6 days ago
Select Virgin Atlantic flight, departing Fri, Oct. 31 from Athens to San Juan, returning Wed, Nov. 12, priced at CA $1,336 found 6 days ago

Find the cheapest month to fly from Athens (ATH) to San Juan (SJU)

June is typically the cheapest month to fly

From CA $787 - CA $1,793 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.