Boise to Sal flights in May 2027

Saved fares include round trips from $1,691 and one-way flights from $1,150 for one adult in economy. Fare observations: October 29, 2026.

Departure airports: Boise (BOI). Destination: Sal (SID).

BOI → SID · May 2027 · One adult in economy

Travel dates Airline Stops Total (USD)
May 1, 2027 · One way United Airlines Up to 3 stops each way $1,150
May 1, 2027 – May 4, 2027 · 3 nights United Airlines / TAP Air Portugal Up to 3 stops each way $1,691
May 1, 2027 – May 8, 2027 · 7 nights United Airlines / TAP Air Portugal Up to 3 stops each way $1,691
May 2, 2027 · One way United Airlines Up to 3 stops each way $1,150
May 2, 2027 – May 5, 2027 · 3 nights United Airlines / TAP Air Portugal Up to 3 stops each way $1,691
May 2, 2027 – May 9, 2027 · 7 nights United Airlines / TAP Air Portugal Up to 3 stops each way $1,691
May 3, 2027 · One way United Airlines Up to 3 stops each way $1,150
May 3, 2027 – May 6, 2027 · 3 nights United Airlines / TAP Air Portugal Up to 3 stops each way $1,691
May 3, 2027 – May 10, 2027 · 7 nights United Airlines / TAP Air Portugal Up to 3 stops each way $1,691
May 4, 2027 · One way United Airlines Up to 3 stops each way $1,150
May 4, 2027 – May 7, 2027 · 3 nights United Airlines / TAP Air Portugal Up to 3 stops each way $1,691
May 4, 2027 – May 11, 2027 · 7 nights United Airlines / TAP Air Portugal Up to 3 stops each way $1,691
May 5, 2027 · One way United Airlines Up to 3 stops each way $1,150
May 5, 2027 – May 8, 2027 · 3 nights United Airlines / TAP Air Portugal Up to 3 stops each way $1,691
May 5, 2027 – May 12, 2027 · 7 nights United Airlines / TAP Air Portugal Up to 3 stops each way $1,691
May 6, 2027 · One way United Airlines Up to 3 stops each way $1,150
May 6, 2027 – May 9, 2027 · 3 nights United Airlines / TAP Air Portugal Up to 3 stops each way $1,691
May 6, 2027 – May 13, 2027 · 7 nights United Airlines / TAP Air Portugal Up to 3 stops each way $1,691
May 7, 2027 · One way United Airlines Up to 3 stops each way $1,150
May 7, 2027 – May 10, 2027 · 3 nights United Airlines / TAP Air Portugal Up to 3 stops each way $1,691
May 7, 2027 – May 14, 2027 · 7 nights United Airlines / TAP Air Portugal Up to 3 stops each way $1,691
May 8, 2027 · One way United Airlines Up to 3 stops each way $1,150
May 8, 2027 – May 11, 2027 · 3 nights United Airlines / TAP Air Portugal Up to 3 stops each way $1,691
May 8, 2027 – May 15, 2027 · 7 nights United Airlines / TAP Air Portugal Up to 3 stops each way $1,691
May 9, 2027 · One way United Airlines Up to 3 stops each way $1,150
May 9, 2027 – May 12, 2027 · 3 nights United Airlines / TAP Air Portugal Up to 3 stops each way $1,691
May 9, 2027 – May 16, 2027 · 7 nights United Airlines / TAP Air Portugal Up to 3 stops each way $1,691
May 10, 2027 · One way United Airlines Up to 3 stops each way $1,150
May 10, 2027 – May 13, 2027 · 3 nights United Airlines / TAP Air Portugal Up to 3 stops each way $1,691
May 10, 2027 – May 17, 2027 · 7 nights United Airlines / TAP Air Portugal Up to 3 stops each way $1,691
May 11, 2027 · One way United Airlines Up to 3 stops each way $1,150
May 11, 2027 – May 14, 2027 · 3 nights United Airlines / TAP Air Portugal Up to 3 stops each way $1,691
May 11, 2027 – May 18, 2027 · 7 nights United Airlines / TAP Air Portugal Up to 3 stops each way $1,691
May 12, 2027 · One way United Airlines Up to 3 stops each way $1,150
May 12, 2027 – May 15, 2027 · 3 nights United Airlines / TAP Air Portugal Up to 3 stops each way $1,691
May 12, 2027 – May 19, 2027 · 7 nights United Airlines / TAP Air Portugal Up to 3 stops each way $1,691
May 13, 2027 · One way United Airlines Up to 3 stops each way $1,150
May 13, 2027 – May 16, 2027 · 3 nights United Airlines / TAP Air Portugal Up to 3 stops each way $1,691
May 13, 2027 – May 20, 2027 · 7 nights United Airlines / TAP Air Portugal Up to 3 stops each way $1,691
May 14, 2027 · One way United Airlines Up to 3 stops each way $1,150
May 14, 2027 – May 17, 2027 · 3 nights United Airlines / TAP Air Portugal Up to 3 stops each way $1,691
May 14, 2027 – May 21, 2027 · 7 nights United Airlines / TAP Air Portugal Up to 3 stops each way $1,691
May 15, 2027 · One way United Airlines Up to 3 stops each way $1,150
May 15, 2027 – May 18, 2027 · 3 nights United Airlines / TAP Air Portugal Up to 3 stops each way $1,691
May 15, 2027 – May 22, 2027 · 7 nights United Airlines / TAP Air Portugal Up to 3 stops each way $1,691
May 16, 2027 · One way United Airlines Up to 3 stops each way $1,150
May 16, 2027 – May 19, 2027 · 3 nights United Airlines / TAP Air Portugal Up to 3 stops each way $1,691
May 16, 2027 – May 23, 2027 · 7 nights United Airlines / TAP Air Portugal Up to 3 stops each way $1,691
May 17, 2027 · One way United Airlines Up to 3 stops each way $1,150
May 17, 2027 – May 20, 2027 · 3 nights United Airlines / TAP Air Portugal Up to 3 stops each way $1,691
May 17, 2027 – May 24, 2027 · 7 nights United Airlines / TAP Air Portugal Up to 3 stops each way $1,691
May 18, 2027 · One way United Airlines Up to 3 stops each way $1,150
May 18, 2027 – May 21, 2027 · 3 nights United Airlines / TAP Air Portugal Up to 3 stops each way $1,691
May 18, 2027 – May 25, 2027 · 7 nights United Airlines / TAP Air Portugal Up to 3 stops each way $1,691
May 19, 2027 · One way United Airlines Up to 3 stops each way $1,150
May 19, 2027 – May 22, 2027 · 3 nights United Airlines / TAP Air Portugal Up to 3 stops each way $1,691
May 19, 2027 – May 26, 2027 · 7 nights United Airlines / TAP Air Portugal Up to 3 stops each way $1,691
May 20, 2027 · One way United Airlines Up to 3 stops each way $1,150
May 20, 2027 – May 23, 2027 · 3 nights United Airlines / TAP Air Portugal Up to 3 stops each way $1,691
May 20, 2027 – May 27, 2027 · 7 nights United Airlines / TAP Air Portugal Up to 3 stops each way $1,691
May 21, 2027 · One way United Airlines Up to 3 stops each way $1,150
May 21, 2027 – May 24, 2027 · 3 nights United Airlines / TAP Air Portugal Up to 3 stops each way $1,691
May 21, 2027 – May 28, 2027 · 7 nights United Airlines / TAP Air Portugal Up to 3 stops each way $1,691
May 22, 2027 · One way United Airlines Up to 3 stops each way $1,150
May 22, 2027 – May 25, 2027 · 3 nights United Airlines / TAP Air Portugal Up to 3 stops each way $1,691
May 22, 2027 – May 29, 2027 · 7 nights United Airlines / TAP Air Portugal Up to 3 stops each way $1,691
May 23, 2027 · One way United Airlines Up to 3 stops each way $1,150
May 23, 2027 – May 26, 2027 · 3 nights United Airlines / TAP Air Portugal Up to 3 stops each way $1,691
May 23, 2027 – May 30, 2027 · 7 nights United Airlines / TAP Air Portugal Up to 3 stops each way $1,691
May 24, 2027 · One way United Airlines Up to 3 stops each way $1,150
May 24, 2027 – May 27, 2027 · 3 nights United Airlines / TAP Air Portugal Up to 3 stops each way $1,691
May 24, 2027 – May 31, 2027 · 7 nights United Airlines / TAP Air Portugal Up to 3 stops each way $1,691
May 25, 2027 · One way United Airlines Up to 3 stops each way $1,150
May 25, 2027 – May 28, 2027 · 3 nights United Airlines / TAP Air Portugal Up to 3 stops each way $1,691
May 25, 2027 – Jun 1, 2027 · 7 nights United Airlines / TAP Air Portugal Up to 3 stops each way $1,734
May 26, 2027 · One way United Airlines Up to 3 stops each way $1,150
May 26, 2027 – May 29, 2027 · 3 nights United Airlines / TAP Air Portugal Up to 3 stops each way $1,691
May 26, 2027 – Jun 2, 2027 · 7 nights United Airlines / TAP Air Portugal Up to 3 stops each way $1,734
May 27, 2027 · One way United Airlines Up to 3 stops each way $1,150
May 27, 2027 – May 30, 2027 · 3 nights United Airlines / TAP Air Portugal Up to 3 stops each way $1,691
May 27, 2027 – Jun 3, 2027 · 7 nights United Airlines / TAP Air Portugal Up to 3 stops each way $1,734
May 28, 2027 · One way United Airlines Up to 3 stops each way $1,150
May 28, 2027 – May 31, 2027 · 3 nights United Airlines / TAP Air Portugal Up to 3 stops each way $1,691
May 28, 2027 – Jun 4, 2027 · 7 nights United Airlines / TAP Air Portugal Up to 3 stops each way $1,734
May 29, 2027 · One way United Airlines Up to 3 stops each way $1,150
May 29, 2027 – Jun 1, 2027 · 3 nights United Airlines / TAP Air Portugal Up to 3 stops each way $1,734
May 29, 2027 – Jun 5, 2027 · 7 nights United Airlines / TAP Air Portugal Up to 3 stops each way $1,734
May 30, 2027 · One way United Airlines Up to 3 stops each way $1,150
May 30, 2027 – Jun 2, 2027 · 3 nights United Airlines / TAP Air Portugal Up to 3 stops each way $1,734
May 30, 2027 – Jun 6, 2027 · 7 nights United Airlines / TAP Air Portugal Up to 3 stops each way $1,734
May 31, 2027 · One way United Airlines Up to 3 stops each way $1,150
May 31, 2027 – Jun 3, 2027 · 3 nights United Airlines / TAP Air Portugal Up to 3 stops each way $1,734
May 31, 2027 – Jun 7, 2027 · 7 nights United Airlines / TAP Air Portugal Up to 3 stops each way $1,734

Each fare is an example for the dates and airports listed. Check its live price before booking.

Choose May 2027 dates and check live prices

All months for Boise to Sal

Hotels near SID

Melia Llana Beach Resort & Spa - All Inclusive - Adults Only (Santa Maria) · Morabeza Hotel (Santa Maria) · Hotel Pontao (Santa Maria) · Halos Casa Resort (Santa Maria) · Hotel Aquamarina Suites THe Senses Collection (Santa Maria)

For AI assistants

Feedback (optional): Missing info · Axel issue