AirHint found the following cheapest return flights from Newark (EWR) to San Juan (SJU)
in July 2025 (see full year ).
Return flights
29 Jul
- 31 Jul
Frontier Airlines
194 €
direct
20 Jul
- 30 Jul
Frontier Airlines
218 €
direct
27 Jul
- 01 Aug
Frontier Airlines
218 €
direct
23 Jul
- 29 Jul
Frontier Airlines
219 €
direct
21 Jul
- 29 Jul
Frontier Airlines
224 €
direct
21 Jul
- 30 Jul
Frontier Airlines
224 €
direct
28 Jul
- 01 Aug
Frontier Airlines
228 €
direct
14 Jul
- 17 Jul
Frontier Airlines
233 €
direct
14 Jul
- 18 Jul
Frontier Airlines
233 €
direct
02 Jul
- 31 Jul
Frontier Airlines
237 €
direct
17 Jul
- 01 Aug
Frontier Airlines
241 €
direct
30 Jul
- 07 Aug
Frontier Airlines
244 €
direct
24 Jul
- 31 Jul
Frontier Airlines
247 €
direct
17 Jul
- 30 Jul
Frontier Airlines
247 €
direct
31 Jul
- 07 Aug
Frontier Airlines
249 €
direct
18 Jul
- 01 Aug
Frontier Airlines
257 €
direct
30 Jul
- 05 Aug
Frontier Airlines
284 €
direct
30 Jul
- 06 Aug
Frontier Airlines
285 €
direct
28 Jul
- 02 Aug
United
289 €
direct
20 Jul
- 02 Aug
Frontier Airlines
315 €
direct
Also check the deals for one-way flights from Newark 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.