Cheapest return flights from Denver to San Juan in August from 221€
AirHint found the following cheapest return flights from Denver (DEN) to San Juan (SJU)
in August 2025 (see full year ).
Return flights
14 Aug
- 28 Aug
Frontier Airlines
221 €
01 Aug
- 03 Aug
Frontier Airlines
228 €
01 Aug
- 04 Aug
Frontier Airlines
228 €
10 Aug
- 13 Aug
Frontier Airlines
228 €
11 Aug
- 15 Aug
Frontier Airlines
228 €
25 Aug
- 28 Aug
Frontier Airlines
228 €
10 Aug
- 15 Aug
Frontier Airlines
228 €
02 Aug
- 04 Aug
Frontier Airlines
228 €
07 Aug
- 14 Aug
Frontier Airlines
228 €
16 Aug
- 18 Aug
Frontier Airlines
240 €
27 Aug
- 01 Sep
Frontier Airlines
382 €
22 Aug
- 05 Sep
United
438 €
27 Aug
- 10 Sep
United
499 €
24 Aug
- 07 Sep
United
514 €
29 Aug
- 12 Sep
United
516 €
23 Aug
- 06 Sep
United
524 €
direct
25 Aug
- 08 Sep
United
548 €
19 Aug
- 02 Sep
United
586 €
21 Aug
- 04 Sep
United
663 €
20 Aug
- 03 Sep
United
675 €
Also check the deals for one-way flights from Denver to San Juan in August .
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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