Phoenix to Islip flights in December 2026

Saved fares include round trips from $370 and one-way flights from $190 for one adult in economy. Fare observations: October 29, 2026.

Departure airports: Phoenix (PHX). Destination: Islip (ISP).

PHX → ISP · December 2026 · One adult in economy

Travel dates Airline Stops Total (USD)
Dec 1, 2026 · One way JetBlue Airways Up to 1 stop each way $190
Dec 1, 2026 · One way Southwest Airlines Up to 1 stop each way $200
Dec 1, 2026 – Dec 4, 2026 · 3 nights JetBlue Airways / Southwest Airlines Up to 1 stop each way $370
Dec 1, 2026 – Dec 4, 2026 · 3 nights Southwest Airlines Up to 1 stop each way $380
Dec 1, 2026 – Dec 8, 2026 · 7 nights JetBlue Airways / Southwest Airlines Up to 1 stop each way $370
Dec 1, 2026 – Dec 8, 2026 · 7 nights Southwest Airlines Up to 1 stop each way $380
Dec 2, 2026 · One way JetBlue Airways Up to 1 stop each way $190
Dec 2, 2026 · One way Southwest Airlines Up to 1 stop each way $200
Dec 2, 2026 – Dec 5, 2026 · 3 nights JetBlue Airways / Southwest Airlines Up to 1 stop each way $370
Dec 2, 2026 – Dec 5, 2026 · 3 nights Southwest Airlines Up to 1 stop each way $380
Dec 2, 2026 – Dec 9, 2026 · 7 nights JetBlue Airways / Southwest Airlines Up to 1 stop each way $370
Dec 2, 2026 – Dec 9, 2026 · 7 nights Southwest Airlines Up to 1 stop each way $380
Dec 3, 2026 · One way JetBlue Airways Up to 1 stop each way $190
Dec 3, 2026 · One way Southwest Airlines Up to 1 stop each way $200
Dec 3, 2026 – Dec 6, 2026 · 3 nights JetBlue Airways / Southwest Airlines Up to 1 stop each way $370
Dec 3, 2026 – Dec 6, 2026 · 3 nights Southwest Airlines Up to 1 stop each way $380
Dec 3, 2026 – Dec 10, 2026 · 7 nights JetBlue Airways / Southwest Airlines Up to 1 stop each way $370
Dec 3, 2026 – Dec 10, 2026 · 7 nights Southwest Airlines Up to 1 stop each way $380
Dec 4, 2026 · One way JetBlue Airways Up to 1 stop each way $190
Dec 4, 2026 · One way Southwest Airlines Up to 1 stop each way $200
Dec 4, 2026 – Dec 7, 2026 · 3 nights JetBlue Airways / Southwest Airlines Up to 1 stop each way $370
Dec 4, 2026 – Dec 7, 2026 · 3 nights Southwest Airlines Up to 1 stop each way $380
Dec 4, 2026 – Dec 11, 2026 · 7 nights JetBlue Airways / Southwest Airlines Up to 1 stop each way $370
Dec 4, 2026 – Dec 11, 2026 · 7 nights Southwest Airlines Up to 1 stop each way $380
Dec 5, 2026 · One way JetBlue Airways Up to 1 stop each way $190
Dec 5, 2026 · One way Southwest Airlines Up to 1 stop each way $200
Dec 5, 2026 – Dec 8, 2026 · 3 nights JetBlue Airways / Southwest Airlines Up to 1 stop each way $370
Dec 5, 2026 – Dec 8, 2026 · 3 nights Southwest Airlines Up to 1 stop each way $380
Dec 5, 2026 – Dec 12, 2026 · 7 nights JetBlue Airways / Southwest Airlines Up to 1 stop each way $370
Dec 5, 2026 – Dec 12, 2026 · 7 nights Southwest Airlines Up to 1 stop each way $380
Dec 6, 2026 · One way JetBlue Airways Up to 1 stop each way $190
Dec 6, 2026 · One way Southwest Airlines Up to 1 stop each way $200
Dec 6, 2026 – Dec 9, 2026 · 3 nights JetBlue Airways / Southwest Airlines Up to 1 stop each way $370
Dec 6, 2026 – Dec 9, 2026 · 3 nights Southwest Airlines Up to 1 stop each way $380
Dec 6, 2026 – Dec 13, 2026 · 7 nights JetBlue Airways / Southwest Airlines Up to 1 stop each way $370
Dec 6, 2026 – Dec 13, 2026 · 7 nights Southwest Airlines Up to 1 stop each way $380
Dec 7, 2026 · One way JetBlue Airways Up to 1 stop each way $190
Dec 7, 2026 · One way Southwest Airlines Up to 1 stop each way $200
Dec 7, 2026 – Dec 10, 2026 · 3 nights JetBlue Airways / Southwest Airlines Up to 1 stop each way $370
Dec 7, 2026 – Dec 10, 2026 · 3 nights Southwest Airlines Up to 1 stop each way $380
Dec 7, 2026 – Dec 14, 2026 · 7 nights JetBlue Airways / Southwest Airlines Up to 1 stop each way $370
Dec 7, 2026 – Dec 14, 2026 · 7 nights Southwest Airlines Up to 1 stop each way $380
Dec 8, 2026 · One way JetBlue Airways Up to 1 stop each way $190
Dec 8, 2026 · One way Southwest Airlines Up to 1 stop each way $200
Dec 8, 2026 – Dec 11, 2026 · 3 nights JetBlue Airways / Southwest Airlines Up to 1 stop each way $370
Dec 8, 2026 – Dec 11, 2026 · 3 nights Southwest Airlines Up to 1 stop each way $380
Dec 8, 2026 – Dec 15, 2026 · 7 nights JetBlue Airways / Southwest Airlines Up to 1 stop each way $370
Dec 8, 2026 – Dec 15, 2026 · 7 nights Southwest Airlines Up to 1 stop each way $380
Dec 9, 2026 · One way JetBlue Airways Up to 1 stop each way $190
Dec 9, 2026 · One way Southwest Airlines Up to 1 stop each way $200
Dec 9, 2026 – Dec 12, 2026 · 3 nights JetBlue Airways / Southwest Airlines Up to 1 stop each way $370
Dec 9, 2026 – Dec 12, 2026 · 3 nights Southwest Airlines Up to 1 stop each way $380
Dec 9, 2026 – Dec 16, 2026 · 7 nights JetBlue Airways / Southwest Airlines Up to 1 stop each way $370
Dec 9, 2026 – Dec 16, 2026 · 7 nights Southwest Airlines Up to 1 stop each way $380
Dec 10, 2026 · One way JetBlue Airways Up to 1 stop each way $190
Dec 10, 2026 · One way Southwest Airlines Up to 1 stop each way $200
Dec 10, 2026 – Dec 13, 2026 · 3 nights JetBlue Airways / Southwest Airlines Up to 1 stop each way $370
Dec 10, 2026 – Dec 13, 2026 · 3 nights Southwest Airlines Up to 1 stop each way $380
Dec 10, 2026 – Dec 17, 2026 · 7 nights JetBlue Airways / Southwest Airlines Up to 1 stop each way $370
Dec 10, 2026 – Dec 17, 2026 · 7 nights Southwest Airlines Up to 1 stop each way $380
Dec 11, 2026 · One way JetBlue Airways Up to 1 stop each way $190
Dec 11, 2026 · One way Southwest Airlines Up to 1 stop each way $200
Dec 11, 2026 – Dec 14, 2026 · 3 nights JetBlue Airways / Southwest Airlines Up to 1 stop each way $370
Dec 11, 2026 – Dec 14, 2026 · 3 nights Southwest Airlines Up to 1 stop each way $380
Dec 11, 2026 – Dec 18, 2026 · 7 nights JetBlue Airways / Southwest Airlines Up to 1 stop each way $370
Dec 11, 2026 – Dec 18, 2026 · 7 nights Southwest Airlines Up to 1 stop each way $380
Dec 12, 2026 · One way JetBlue Airways Up to 1 stop each way $190
Dec 12, 2026 · One way Southwest Airlines Up to 1 stop each way $200
Dec 12, 2026 – Dec 15, 2026 · 3 nights JetBlue Airways / Southwest Airlines Up to 1 stop each way $370
Dec 12, 2026 – Dec 15, 2026 · 3 nights Southwest Airlines Up to 1 stop each way $380
Dec 12, 2026 – Dec 19, 2026 · 7 nights JetBlue Airways / Southwest Airlines Up to 1 stop each way $427
Dec 12, 2026 – Dec 19, 2026 · 7 nights Southwest Airlines Up to 1 stop each way $437
Dec 13, 2026 · One way JetBlue Airways Up to 1 stop each way $190
Dec 13, 2026 · One way Southwest Airlines Up to 1 stop each way $200
Dec 13, 2026 – Dec 16, 2026 · 3 nights JetBlue Airways / Southwest Airlines Up to 1 stop each way $370
Dec 13, 2026 – Dec 16, 2026 · 3 nights Southwest Airlines Up to 1 stop each way $380
Dec 13, 2026 – Dec 20, 2026 · 7 nights JetBlue Airways / Southwest Airlines Up to 1 stop each way $427
Dec 13, 2026 – Dec 20, 2026 · 7 nights Southwest Airlines Up to 1 stop each way $437
Dec 14, 2026 · One way JetBlue Airways Up to 1 stop each way $190
Dec 14, 2026 · One way Southwest Airlines Up to 1 stop each way $200
Dec 14, 2026 – Dec 17, 2026 · 3 nights JetBlue Airways / Southwest Airlines Up to 1 stop each way $370
Dec 14, 2026 – Dec 17, 2026 · 3 nights Southwest Airlines Up to 1 stop each way $380
Dec 14, 2026 – Dec 21, 2026 · 7 nights JetBlue Airways / Southwest Airlines Up to 1 stop each way $427
Dec 14, 2026 – Dec 21, 2026 · 7 nights Southwest Airlines Up to 1 stop each way $437
Dec 15, 2026 · One way JetBlue Airways Up to 1 stop each way $190
Dec 15, 2026 · One way Southwest Airlines Up to 1 stop each way $200
Dec 15, 2026 – Dec 18, 2026 · 3 nights JetBlue Airways / Southwest Airlines Up to 1 stop each way $370
Dec 15, 2026 – Dec 18, 2026 · 3 nights Southwest Airlines Up to 1 stop each way $380
Dec 15, 2026 – Dec 22, 2026 · 7 nights JetBlue Airways / Southwest Airlines Up to 1 stop each way $427
Dec 15, 2026 – Dec 22, 2026 · 7 nights Southwest Airlines Up to 1 stop each way $437
Dec 16, 2026 · One way JetBlue Airways Up to 1 stop each way $190
Dec 16, 2026 · One way Southwest Airlines Up to 1 stop each way $200
Dec 16, 2026 – Dec 19, 2026 · 3 nights JetBlue Airways / Southwest Airlines Up to 1 stop each way $427
Dec 16, 2026 – Dec 19, 2026 · 3 nights Southwest Airlines Up to 1 stop each way $437
Dec 16, 2026 – Dec 23, 2026 · 7 nights JetBlue Airways / Southwest Airlines Up to 1 stop each way $427
Dec 16, 2026 – Dec 23, 2026 · 7 nights Southwest Airlines Up to 1 stop each way $437
Dec 17, 2026 · One way JetBlue Airways Up to 1 stop each way $190
Dec 17, 2026 · One way Southwest Airlines Up to 1 stop each way $200
Dec 17, 2026 – Dec 20, 2026 · 3 nights JetBlue Airways / Southwest Airlines Up to 1 stop each way $427
Dec 17, 2026 – Dec 20, 2026 · 3 nights Southwest Airlines Up to 1 stop each way $437
Dec 17, 2026 – Dec 24, 2026 · 7 nights JetBlue Airways / Southwest Airlines Up to 1 stop each way $427
Dec 17, 2026 – Dec 24, 2026 · 7 nights Southwest Airlines Up to 1 stop each way $437
Dec 18, 2026 · One way JetBlue Airways Up to 1 stop each way $190
Dec 18, 2026 · One way Southwest Airlines Up to 1 stop each way $200
Dec 18, 2026 – Dec 21, 2026 · 3 nights JetBlue Airways / Southwest Airlines Up to 1 stop each way $427
Dec 18, 2026 – Dec 21, 2026 · 3 nights Southwest Airlines Up to 1 stop each way $437
Dec 18, 2026 – Dec 25, 2026 · 7 nights JetBlue Airways / Southwest Airlines Up to 1 stop each way $427
Dec 18, 2026 – Dec 25, 2026 · 7 nights Southwest Airlines Up to 1 stop each way $437
Dec 19, 2026 · One way JetBlue Airways Up to 1 stop each way $247
Dec 19, 2026 · One way Southwest Airlines Up to 1 stop each way $260
Dec 19, 2026 – Dec 22, 2026 · 3 nights JetBlue Airways / Southwest Airlines Up to 1 stop each way $481
Dec 19, 2026 – Dec 22, 2026 · 3 nights Southwest Airlines Up to 1 stop each way $494
Dec 19, 2026 – Dec 26, 2026 · 7 nights JetBlue Airways / Southwest Airlines Up to 1 stop each way $481
Dec 19, 2026 – Dec 26, 2026 · 7 nights Southwest Airlines Up to 1 stop each way $494
Dec 20, 2026 · One way JetBlue Airways Up to 1 stop each way $247
Dec 20, 2026 · One way Southwest Airlines Up to 1 stop each way $260
Dec 20, 2026 – Dec 23, 2026 · 3 nights JetBlue Airways / Southwest Airlines Up to 1 stop each way $481
Dec 20, 2026 – Dec 23, 2026 · 3 nights Southwest Airlines Up to 1 stop each way $494
Dec 20, 2026 – Dec 27, 2026 · 7 nights JetBlue Airways / Southwest Airlines Up to 1 stop each way $472
Dec 20, 2026 – Dec 27, 2026 · 7 nights Southwest Airlines Up to 1 stop each way $485
Dec 21, 2026 · One way JetBlue Airways Up to 1 stop each way $247
Dec 21, 2026 · One way Southwest Airlines Up to 1 stop each way $260
Dec 21, 2026 – Dec 24, 2026 · 3 nights JetBlue Airways / Southwest Airlines Up to 1 stop each way $481
Dec 21, 2026 – Dec 24, 2026 · 3 nights Southwest Airlines Up to 1 stop each way $494
Dec 21, 2026 – Dec 28, 2026 · 7 nights JetBlue Airways / Southwest Airlines Up to 1 stop each way $472
Dec 21, 2026 – Dec 28, 2026 · 7 nights Southwest Airlines Up to 1 stop each way $485
Dec 22, 2026 · One way JetBlue Airways Up to 1 stop each way $247
Dec 22, 2026 · One way Southwest Airlines Up to 1 stop each way $260
Dec 22, 2026 – Dec 25, 2026 · 3 nights JetBlue Airways / Southwest Airlines Up to 1 stop each way $481
Dec 22, 2026 – Dec 25, 2026 · 3 nights Southwest Airlines Up to 1 stop each way $494
Dec 22, 2026 – Dec 27, 2026 · 5 nights JetBlue Airways / Southwest Airlines Up to 1 stop each way $472
Dec 22, 2026 – Dec 27, 2026 · 5 nights Southwest Airlines Up to 1 stop each way $485
Dec 22, 2026 – Dec 29, 2026 · 7 nights JetBlue Airways / Southwest Airlines Up to 1 stop each way $472
Dec 22, 2026 – Dec 29, 2026 · 7 nights Southwest Airlines Up to 1 stop each way $485
Dec 23, 2026 · One way JetBlue Airways Up to 1 stop each way $247
Dec 23, 2026 · One way Southwest Airlines Up to 1 stop each way $260
Dec 23, 2026 – Dec 26, 2026 · 3 nights JetBlue Airways / Southwest Airlines Up to 1 stop each way $481
Dec 23, 2026 – Dec 26, 2026 · 3 nights Southwest Airlines Up to 1 stop each way $494
Dec 23, 2026 – Dec 30, 2026 · 7 nights JetBlue Airways / Southwest Airlines Up to 1 stop each way $472
Dec 23, 2026 – Dec 30, 2026 · 7 nights Southwest Airlines Up to 1 stop each way $485
Dec 24, 2026 · One way JetBlue Airways Up to 1 stop each way $247
Dec 24, 2026 · One way Southwest Airlines Up to 1 stop each way $260
Dec 24, 2026 – Dec 27, 2026 · 3 nights JetBlue Airways / Southwest Airlines Up to 1 stop each way $472
Dec 24, 2026 – Dec 27, 2026 · 3 nights Southwest Airlines Up to 1 stop each way $485
Dec 24, 2026 – Dec 31, 2026 · 7 nights JetBlue Airways / Southwest Airlines Up to 1 stop each way $472
Dec 24, 2026 – Dec 31, 2026 · 7 nights Southwest Airlines Up to 1 stop each way $485
Dec 25, 2026 · One way JetBlue Airways Up to 1 stop each way $247
Dec 25, 2026 · One way Southwest Airlines Up to 1 stop each way $260
Dec 25, 2026 – Dec 28, 2026 · 3 nights JetBlue Airways / Southwest Airlines Up to 1 stop each way $472
Dec 25, 2026 – Dec 28, 2026 · 3 nights Southwest Airlines Up to 1 stop each way $485
Dec 25, 2026 – Jan 1, 2027 · 7 nights JetBlue Airways / Southwest Airlines Up to 1 stop each way $472
Dec 25, 2026 – Jan 1, 2027 · 7 nights Southwest Airlines Up to 1 stop each way $485
Dec 26, 2026 · One way JetBlue Airways Up to 1 stop each way $247
Dec 26, 2026 · One way Southwest Airlines Up to 1 stop each way $260
Dec 26, 2026 – Dec 29, 2026 · 3 nights JetBlue Airways / Southwest Airlines Up to 1 stop each way $472
Dec 26, 2026 – Dec 29, 2026 · 3 nights Southwest Airlines Up to 1 stop each way $485
Dec 26, 2026 – Jan 2, 2027 · 7 nights JetBlue Airways / Southwest Airlines Up to 1 stop each way $472
Dec 26, 2026 – Jan 2, 2027 · 7 nights Southwest Airlines Up to 1 stop each way $485
Dec 27, 2026 · One way JetBlue Airways Up to 1 stop each way $238
Dec 27, 2026 · One way Southwest Airlines Up to 1 stop each way $250
Dec 27, 2026 – Dec 30, 2026 · 3 nights JetBlue Airways / Southwest Airlines Up to 1 stop each way $463
Dec 27, 2026 – Dec 30, 2026 · 3 nights Southwest Airlines Up to 1 stop each way $475
Dec 27, 2026 – Jan 3, 2027 · 7 nights JetBlue Airways / Southwest Airlines Up to 1 stop each way $463
Dec 27, 2026 – Jan 3, 2027 · 7 nights Southwest Airlines Up to 1 stop each way $475
Dec 28, 2026 · One way JetBlue Airways Up to 1 stop each way $238
Dec 28, 2026 · One way Southwest Airlines Up to 1 stop each way $250
Dec 28, 2026 – Dec 31, 2026 · 3 nights JetBlue Airways / Southwest Airlines Up to 1 stop each way $463
Dec 28, 2026 – Dec 31, 2026 · 3 nights Southwest Airlines Up to 1 stop each way $475
Dec 28, 2026 – Jan 4, 2027 · 7 nights JetBlue Airways / Southwest Airlines Up to 1 stop each way $415
Dec 28, 2026 – Jan 4, 2027 · 7 nights Southwest Airlines Up to 1 stop each way $428
Dec 29, 2026 · One way JetBlue Airways Up to 1 stop each way $238
Dec 29, 2026 · One way Southwest Airlines Up to 1 stop each way $250
Dec 29, 2026 – Jan 1, 2027 · 3 nights JetBlue Airways / Southwest Airlines Up to 1 stop each way $463
Dec 29, 2026 – Jan 1, 2027 · 3 nights Southwest Airlines Up to 1 stop each way $475
Dec 29, 2026 – Jan 5, 2027 · 7 nights JetBlue Airways / Southwest Airlines Up to 1 stop each way $415
Dec 29, 2026 – Jan 5, 2027 · 7 nights Southwest Airlines Up to 1 stop each way $428
Dec 30, 2026 · One way JetBlue Airways Up to 1 stop each way $238
Dec 30, 2026 · One way Southwest Airlines Up to 1 stop each way $250
Dec 30, 2026 – Jan 2, 2027 · 3 nights JetBlue Airways / Southwest Airlines Up to 1 stop each way $463
Dec 30, 2026 – Jan 2, 2027 · 3 nights Southwest Airlines Up to 1 stop each way $475
Dec 30, 2026 – Jan 6, 2027 · 7 nights JetBlue Airways / Southwest Airlines Up to 1 stop each way $415
Dec 30, 2026 – Jan 6, 2027 · 7 nights Southwest Airlines Up to 1 stop each way $428
Dec 31, 2026 · One way JetBlue Airways Up to 1 stop each way $238
Dec 31, 2026 · One way Southwest Airlines Up to 1 stop each way $250
Dec 31, 2026 – Jan 3, 2027 · 3 nights JetBlue Airways / Southwest Airlines Up to 1 stop each way $463
Dec 31, 2026 – Jan 3, 2027 · 3 nights Southwest Airlines Up to 1 stop each way $475
Dec 31, 2026 – Jan 7, 2027 · 7 nights JetBlue Airways / Southwest Airlines Up to 1 stop each way $415
Dec 31, 2026 – Jan 7, 2027 · 7 nights Southwest Airlines Up to 1 stop each way $428

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