Cheapest return flights from Boston to San Juan in April from 121€
AirHint found the following cheapest return flights from Boston (BOS) to San Juan (SJU)
in April 2026 (see full year ).
Return flights
04 Apr
- 11 Apr
Frontier Airlines
121 €
direct
04 Apr
- 09 Apr
Frontier Airlines
127 €
direct
08 Apr
- 11 Apr
Frontier Airlines
142 €
15 Apr
- 22 Apr
Spirit Airlines
143 €
direct
15 Apr
- 02 May
Spirit Airlines
162 €
15 Apr
- 18 Apr
Spirit Airlines
169 €
direct
15 Apr
- 23 Apr
Spirit Airlines
169 €
direct
08 Apr
- 22 Apr
Spirit Airlines
170 €
direct
01 Apr
- 08 Apr
Delta
172 €
direct
01 Apr
- 09 Apr
Delta
172 €
direct
02 Apr
- 04 Apr
Frontier Airlines
182 €
direct
20 Apr
- 05 May
Spirit Airlines
186 €
25 Apr
- 13 May
Spirit Airlines
186 €
25 Apr
- 02 May
Spirit Airlines
215 €
15 Apr
- 04 May
Spirit Airlines
222 €
30 Apr
- 19 May
Spirit Airlines
239 €
30 Apr
- 13 May
Spirit Airlines
239 €
30 Apr
- 02 May
Spirit Airlines
268 €
25 Apr
- 10 May
Spirit Airlines
275 €
25 Apr
- 04 May
Spirit Airlines
275 €
Also check the deals for one-way flights from Boston to San Juan in April .
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