Flights from Seattle Tacoma to Ontario

Tips and tricks to help you find cheap flights from Seattle Tacoma to Ontario

Favorite airline: Frontier Airlines
97 % of flights booked on the route from Seattle-Tacoma to Ontario are booked with Frontier Airlines, Alaska Airlines and Delta.
Frontier Airlines
61 %
Alaska Airlines
25 %
11 %
Tip: book directly before departure
A good time to book a cheap flight on this route is directly on the day of departure.
0 days before departure
Cheapest weekday: Tuesday
Flight tickets are cheapest on Tuesday. Flights on these weekdays cost up to 30 % less.
Stopover flights are the cheapest connection
Flights with a stopover are on average $80.00 cheaper than direct flights.
non stop flight
1 stop
02h 34min
19h 50min
Favourite connection: via Las Vegas
Flights with a stopover in Las Vegas are the most popular connection for this route.
1 stopover Las Vegas - McCarran International Airport, NV
23h 47min, from $138
35 %
1 stopover Denver International Airport, CO
19h 50min, from $111
31 %
Direct flights
02h 34min, from $191
29 %

Flight information: Seattle-Tacoma - Ontario

Roundtrip from $110.98
Flight duration min. 02:30 / max. 03:20
Return flight duration min. 02:45/ max. 08:05
Distance 1542 km
Flights per week 23
Departure airport Seattle-Tacoma International Airport, WA (SEA)
Arrival airport Ontario-CA (ONT)
Destination country United States
Alternative flights to Ontario
Flight destinations with a similar price
Flight destinations with a similar price