Boston to Ontario

BOSONT

Fly from Boston to Ontario starting at USD 153 with Southwest Airlines.Best fare available on Oct 25, 2026.Limited seats. Better plans. Book before it's gone.

Boston to Ontario cheapest flights this week

4 Oct
United Airlines
06:00BOS
15:18ONT
1 StopUSD 310VIEW DEAL
8 Oct
Southwest Airlines
05:00BOS
12:55ONT
1 StopUSD 294VIEW DEAL
10 Oct
American Airlines
14:29BOS
00:11ONT
1 StopUSD 282VIEW DEAL
11 Oct
Southwest Airlines
05:35BOS
16:40ONT
2 StopUSD 304VIEW DEAL
25 Oct
Southwest Airlines
05:00BOS
13:15ONT
1 StopUSD 153VIEW DEAL
29 Dec
Southwest Airlines
15:00BOS
02:55ONT
2 StopUSD 213VIEW DEAL

Boston to Ontario monthly flight fare trend

Oct
from USD 153
Nov
No flights
Dec
from USD 213
Jan
No flights
Feb
No flights
Mar
No flights

Airport Details

Origin

Boston

Logan International Airport (BOS)

Boston, BOS
Zone

New York

Elev

20 ft

Destination

Ontario

Ontario International Airport (ONT)

Ontario, ONT
Zone

Los Angeles

Elev

944 ft

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