Outbound | Return | Airlines | Shop | Baggage | Price | ||
---|---|---|---|---|---|---|---|
Seattle-Tacoma Ontario | Outbound 04/12/25 2 Stopovers (DEN, DFW) F93406, F92632, F91405 15h 07min | Return 04/27/25 1 Stopover (DEN) F91500, F93405 23h 45min | | ![]() | ? | $197 | |
Best option Seattle-Tacoma Ontario | Outbound 04/12/25 direct AS1003 02h 36min | Return 04/27/25 direct AS1091 02h 46min | | ![]() | ? | $266 | |
Seattle-Tacoma Ontario | Outbound 04/12/25 1 Stopover (DEN) F93406, F91499 07h 37min | Return 04/27/25 direct HA6288 02h 46min | | ![]() | $262 | ||
Seattle-Tacoma Ontario | Outbound 04/12/25 direct AS1003 02h 36min | Return 04/27/25 direct AS1091 02h 46min | | ![]() | ? | $271 | |
Seattle-Tacoma Ontario | Outbound 04/12/25 direct DL4027 02h 43min | Return 04/27/25 direct DL4042 02h 55min | | ![]() | ? | $276 | |
Seattle-Tacoma Ontario | Outbound 04/12/25 1 Stopover (DEN) F93406, F91261 17h 00min | Return 04/27/25 1 Stopover (DEN) F91500, F93405 23h 45min | | ![]() | $288 | ||
Seattle-Tacoma Ontario | Outbound 04/12/25 1 Stopover (SFO) UA1620, UA0794 04h 48min | Return 04/27/25 1 Stopover (SFO) UA0277, UA1777 09h 58min | | ![]() | ? | $370 |
Airline
- Frontier Airlines
- Alaska Airlines
- United Airlines
- Delta Air Lines
Tips and tricks to help you find cheap flights from Seattle Tacoma to Ontario
Favorite airline: Frontier Airlines
The majority of passengers on the route Seattle-Tacoma – Ontario prefer to fly with Frontier Airlines.

Frontier Airlines
58 %

Alaska Airlines
26 %

Delta
12 %
Cheapest weekday: Tuesday
The cheapest flights on this route are operated on Tuesday.
Stopover flights are the cheapest connection
Direct flights on this route are $80.00 more expensive on average than flights with a stopover.
non stop flight
1 stop
02h 34min
19h 50min
191 $
111 $
Favourite connection: via Las Vegas
Flights with a stopover in Las Vegas are the most popular connection for this route.
Route
bookings
1 stopover Las Vegas - McCarran International Airport, NV
23h 41min, from 162 $
47 %
1 stopover Denver International Airport, CO
19h 50min, from 111 $
45 %
1 stopover Salt Lake City International Airport, UT
06h 52min, from 355 $
6 %
Important flight information
Flight information: Seattle-Tacoma - Ontario
Roundtrip from | 196,40 $ |
---|---|
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 | Airport Seattle-Tacoma International Airport, WA (SEA) |
Arrival airport | Airport Ontario-CA (ONT) |
Destination country | Flights to United States |
Alternative routes to United States
- Flight Seattle-Tacoma - San Francisco from 117 $
- Flight Seattle-Tacoma - Honolulu from 565 $
- Flight Seattle-Tacoma - Las Vegas from 217 $
- Flight Seattle-Tacoma - Los Angeles from 154 $
- Flight Seattle-Tacoma - New York from 259 $
- Flight Seattle-Tacoma - Anchorage from 257 $
- Flight Seattle-Tacoma - Kahului from 586 $
- Flight Seattle-Tacoma - Kona from 619 $
- Flight Seattle-Tacoma - Orlando from 178 $
- Flight Seattle-Tacoma - Miami from 208 $
Alternative flights to Ontario
- Flight San Francisco - Ontario from 174 $
- Flight Sacramento - Ontario from 262 $
- Flight Dallas - Ontario from 97 $
- Flight Baltimore - Ontario from 293 $
- Flight San Jose - Ontario from 94 $
Flight destinations with a similar price
- Flight Ontario - Cancun from 378 $
- Flight Ontario - Munich from 836 $
- Flight Ontario - Frankfurt from 679 $
- Flight Ontario - Guadalajara from 375 $
Flight destinations with a similar price
- Flight Seattle-Tacoma - Orlando from 178 $
- Flight Seattle-Tacoma - Miami from 208 $
- Flight Seattle-Tacoma - Charlotte from 178 $
- Flight Seattle-Tacoma - Bozeman from 178 $
- Flight Seattle-Tacoma - New Orleans from 216 $
- Flight Seattle-Tacoma - Portland-Oregon from 178 $
- Flight Seattle-Tacoma - Billings from 207 $
- Flight Seattle-Tacoma - San Jose from 206 $
- Flight Seattle-Tacoma - Vancouver from 192 $