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

Boston → Ontario

Southwest Airlines · Round Trip · Nonstop

Save $65 (18% off)
Compared to the typical price of $356
$291$356

per person · round trip

Book This Deal

Flight Details

Cabin
Economy
Departs
May 6, 2026
Returns
May 10, 2026

Planning your trip to Ontario?

Complete your trip with these deals.

Hotels in Ontario

Find the best hotel deals for your stay.

Explore →

Rental Cars in Ontario

Get around with affordable rental car deals.

Explore →

Adventures in Ontario

Explore tours, activities, and experiences.

Explore →