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Ontario California aerial with San Gabriel Mountains
ONT
Ontario
Boston skyline and harbor
BOS
Boston

Ontario → Boston

Southwest Airlines · Round Trip · Nonstop

Save $14 (5% off)
Compared to the typical price of $309
$295$309

per person · round trip

Book This Deal

Flight Details

Cabin
Economy
Departs
May 1, 2026
Returns
May 4, 2026

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