Cheapest return flights from Seattle to San Juan in July from 343€
AirHint found the following cheapest return flights from Seattle (SEA) to San Juan (SJU)
in July 2025 (see full year ).
Return flights
22 Jul
- 09 Aug
Spirit Airlines
343 €
22 Jul
- 01 Aug
Spirit Airlines
351 €
22 Jul
- 28 Jul
Spirit Airlines
367 €
12 Jul
- 01 Aug
Spirit Airlines
376 €
24 Jul
- 09 Aug
Spirit Airlines
384 €
28 Jul
- 09 Aug
Spirit Airlines
385 €
24 Jul
- 01 Aug
Spirit Airlines
391 €
28 Jul
- 01 Aug
Spirit Airlines
392 €
12 Jul
- 28 Jul
Spirit Airlines
393 €
22 Jul
- 04 Aug
Spirit Airlines
398 €
22 Jul
- 11 Aug
Spirit Airlines
401 €
24 Jul
- 28 Jul
Spirit Airlines
408 €
12 Jul
- 18 Jul
Spirit Airlines
412 €
12 Jul
- 21 Jul
Spirit Airlines
418 €
17 Jul
- 24 Jul
United
418 €
12 Jul
- 22 Jul
Spirit Airlines
419 €
12 Jul
- 19 Jul
Spirit Airlines
425 €
24 Jul
- 04 Aug
Spirit Airlines
438 €
22 Jul
- 30 Jul
Spirit Airlines
450 €
12 Jul
- 30 Jul
Spirit Airlines
476 €
Also check the deals for one-way flights from Seattle to San Juan in July .
The deals are updated regularly. The prices may go up as tickets are purchased by other travellers.
Only the cheapest flights are offered.
Select a price to book and secure these cheap prices.
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