SEA → ONT
SEA → ONT baggage rules
Seattle Tacoma International Airport (Seattle) to Ontario International Airport (Ontario). Served by 2 carriers in our graph.
On this route, the basic-economy floor is personal item only (no cabin bag included) on a mainline carrier (set by Alaska Airlines) . No ultra-budget / budget carrier flies SEA → ONT.
Pick the cheapest tier you'd fly
Bag floor narrowed to the carriers actually serving this route.
Carriers serving SEA → ONT
- American Airlines
AA· Mainline - Alaska Airlines
AS· Mainline