← Back to Deals
Ontario California aerial with San Gabriel Mountains
ONT
Ontario
Boston skyline and harbor
BOS
Boston

Ontario → Boston

Southwest Airlines · Round Trip · Nonstop

Save $55 (18% off)
Compared to the typical price of $309
$254$309

per person · round trip

Book This Deal

Flight Details

Cabin
Economy
Departs
Jul 21, 2026
Returns
Jul 28, 2026

Planning your trip to Boston?

Complete your trip with these deals.

Hotels in Boston

Find the best hotel deals for your stay.

Explore →

Rental Cars in Boston

Get around with affordable rental car deals.

Explore →

Adventures in Boston

Explore tours, activities, and experiences.

Explore →