Flights from Seattle Tacoma Intl. Airport to Ontario International Airport
Cheap Flights from Seattle Tacoma Intl. Airport to Ontario International Airport
Search for flights from Seattle to Los Angeles. Find affordable one-way or round-trip flights.
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Round-trip
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One way
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Cheapest nonstop
SEA 12:462h 39mNonstopONT 15:25Seattle - Ontario | Mon, Apr 14 | Frontier Airlines
SIN 16:013hNonstopSEA 19:01Ontario - Seattle | Tue, Apr 15 | Frontier AirlinesUS$70 US$11338% OFF38% OFFUS$113 US$70 -
SEA 18:502h 35mNonstopONT 21:25Seattle - Ontario | Mon, May 12 | Frontier Airlines
SIN 17:353h 7mNonstopSEA 20:42Ontario - Seattle | Wed, May 14 | Frontier AirlinesUS$70 US$11338% OFF38% OFFUS$113 US$70
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SEA 12:522h 37mNonstopONT 15:29Seattle - Ontario | Mon, Mar 31 | Frontier Airlines
SIN 10:122h 54mNonstopSEA 13:06Ontario - Seattle | Thu, Apr 3 | Frontier AirlinesUS$76 US$11333% OFF33% OFFUS$113 US$76
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SEA 18:502h 35mNonstopONT 21:25Seattle - Ontario | Thu, May 1 | Frontier Airlines
SIN 17:353h 7mNonstopSEA 20:42Ontario - Seattle | Sat, May 3 | Frontier AirlinesUS$7632% OFFUS$113 US$76
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SEA 12:522h 37mNonstopONT 15:29Seattle - Ontario | Fri, Mar 28 | Frontier Airlines
SIN 16:013hNonstopSEA 19:01Ontario - Seattle | Tue, Apr 1 | Frontier AirlinesUS$7930% OFFUS$113 US$79
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SEA 18:522h 39mNonstopONT 21:31Seattle - Ontario | Mon, Apr 28 | Frontier Airlines
SIN 16:293h 3mNonstopSEA 19:32Ontario - Seattle | Mon, May 5 | Frontier AirlinesUS$8028% OFFUS$113 US$80
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SEA 18:502h 35mNonstopONT 21:25Seattle - Ontario | Thu, May 8 | Frontier Airlines
SIN 16:293h 3mNonstopSEA 19:32Ontario - Seattle | Mon, May 12 | Frontier AirlinesUS$8227% OFFUS$113 US$82
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SEA 18:502h 35mNonstopONT 21:25Seattle - Ontario | Mon, May 5 | Frontier Airlines
SIN 17:353h 7mNonstopSEA 20:42Ontario - Seattle | Wed, May 7 | Frontier AirlinesUS$8227% OFFUS$113 US$82
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SEA 12:462h 39mNonstopONT 15:25Seattle - Ontario | Mon, Apr 21 | Frontier Airlines
SIN 16:292h 54mNonstopSEA 19:23Ontario - Seattle | Mon, Apr 28 | Frontier AirlinesUS$8227% OFFUS$113 US$82
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SEA 05:306h 46m1 stopsONT 12:16Seattle - Ontario | Sat, Apr 19 | Delta Air Lines
SIN 17:353hNonstopSEA 20:35Ontario - Seattle | Sat, Apr 26 | Frontier AirlinesUS$8128% OFFUS$113 US$81 -
SEA 13:0017h 25m1 stopsLAX Invalid DateSeattle - Los Angeles | Sun, Mar 30 | Normal Airline
LAX 15:006hNonstopSEA 16:00Los Angeles - Seattle | Tue, Apr 1 | Normal AirlineFind More FlightsFind More Flights
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Cheapest nonstop
SEA 12:462h 39mNonstopONT 15:25Seattle - Ontario | Mon, Apr 14 | Frontier AirlinesUS$38 US$5632% OFF32% OFFUS$56 US$38
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SEA 12:522h 37mNonstopONT 15:29Seattle - Ontario | Mon, Mar 31 | Frontier AirlinesUS$39 US$5630% OFF30% OFFUS$56 US$39
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SEA 18:502h 35mNonstopONT 21:25Seattle - Ontario | Thu, May 1 | Frontier AirlinesUS$39 US$5630% OFF30% OFFUS$56 US$39
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SEA 19:402h 42mNonstopONT 22:22Seattle - Ontario | Wed, Apr 2 | Delta Air LinesUS$3928% OFFUS$56 US$39
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SEA 12:462h 39mNonstopONT 15:25Seattle - Ontario | Thu, Apr 10 | Frontier AirlinesUS$4028% OFFUS$56 US$40
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SEA 18:522h 39mNonstopONT 21:31Seattle - Ontario | Mon, Apr 28 | Frontier AirlinesUS$4028% OFFUS$56 US$40
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SEA 18:502h 35mNonstopONT 21:25Seattle - Ontario | Mon, May 5 | Frontier AirlinesUS$4028% OFFUS$56 US$40
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SEA 12:462h 39mNonstopONT 15:25Seattle - Ontario | Thu, Apr 17 | Frontier AirlinesUS$4028% OFFUS$56 US$40
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SEA 12:462h 39mNonstopONT 15:25Seattle - Ontario | Mon, Apr 21 | Frontier AirlinesUS$4028% OFFUS$56 US$40
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SEA 18:502h 35mNonstopONT 21:25Seattle - Ontario | Mon, May 19 | Frontier AirlinesUS$4127% OFFUS$56 US$41
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SEA 13:0017h 25m1 stopsLAX Invalid DateSeattle - Los Angeles | Sun, Mar 30 | Normal AirlineFind More FlightsFind More Flights
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
Selected Airlines from Seattle Tacoma Intl. Airport to Ontario International Airport
View airlines operating flights from Seattle to Los Angeles. Compare prices and find the airline that meets your travel needs to enjoy a comfortable journey.
Flight Schedule from Seattle Tacoma Intl. Airport to Ontario International Airport
Check on the flight schedule from Seattle to Los Angeles to find the flight that matches your travel plan.
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HA6667
Seattle Tacoma Intl. Airport
1:18 PM
SEA
3:50 PM
ONT
S - - W T F SSearch -
AS1003
Seattle Tacoma Intl. Airport
8:15 PM
SEA
10:46 PM
ONT
S - - W T F SSearch -
HA6814
Seattle Tacoma Intl. Airport
8:27 AM
SEA
11:05 AM
ONT
S M T W T F SSearch -
F93163
Seattle Tacoma Intl. Airport
1:50 PM
SEA
4:30 PM
ONT
S - - W T - SSearch -
DL4027
Seattle Tacoma Intl. Airport
7:55 PM
SEA
10:46 PM
ONT
S M T W T F SSearch -
DL4031
Seattle Tacoma Intl. Airport
2:14 PM
SEA
5:05 PM
ONT
S M T W T F SSearch -
DL4070
Seattle Tacoma Intl. Airport
7:59 AM
SEA
10:53 AM
ONT
S M T W T F SSearch -
F94830
Seattle Tacoma Intl. Airport
3:05 PM
SEA
5:44 PM
LAS
S M - W - F SSearch -
F92231
Harry Reid Intl. Airport
7:45 PM
LAS
8:51 PM
ONT
S M T - T F - -
DL1128
Seattle Tacoma Intl. Airport
5:30 AM
SEA
8:34 AM
SLC
S M T W T F SSearch -
DL1345
Salt Lake City International Airport
11:40 AM
SLC
12:29 PM
ONT
S M T W T F S -
F94830
Seattle Tacoma Intl. Airport
3:05 PM
SEA
5:44 PM
LAS
S M - W - F SSearch -
F91357
Harry Reid Intl. Airport
3:20 PM
LAS
4:31 PM
ONT
S - T W T F S
Seattle Tacoma Intl. Airport to Ontario International Airport Flights Info
| Flight distance | 1,540.96 km |
|---|---|
| Cheapest one-way ticket price | $38 |
| Cheapest return ticket price | $69 |
FAQs for Seattle Tacoma Intl. Airport to Ontario International Airport Flights
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How long is a flight from Seattle Tacoma Intl. Airport to Ontario International Airport?
It takes around 2 hours 55 minutes to fly from Seattle Tacoma Intl. Airport (SEA) to Ontario International Airport (ONT). -
How many daily flights are there from Seattle Tacoma Intl. Airport (SEA) to Ontario International Airport (ONT)?
There are around 11 daily flights from Seattle Tacoma Intl. Airport (SEA) to Ontario International Airport (ONT). -
When are flight tickets from Seattle Tacoma Intl. Airport (SEA) to Ontario International Airport (ONT) the cheapest?
Tickets cost around $99 in May, making it the cheapest month to book. Seattle Tacoma Intl. Airport (SEA) to Ontario International Airport (ONT) is a popular route, so don't forget to book your tickets in advance. -
When are flight tickets from Seattle Tacoma Intl. Airport (SEA) to Ontario International Airport (ONT) most expensive?
The route from Seattle Tacoma Intl. Airport (SEA) to Ontario International Airport (ONT) is quite popular. Without considering departure times or holidays, tickets cost around $249 in March, the most expensive month to book this route. -
What time does the earliest flight from Seattle Tacoma Intl. Airport to Ontario International Airport depart?
The earliest flight departs from Seattle Tacoma Intl. Airport (SEA) at 05:05 and arrives in Ontario International Airport (ONT) at 12:24. -
What time does the latest flight from Seattle Tacoma Intl. Airport to Ontario International Airport depart?
The latest flight departs from Seattle Tacoma Intl. Airport (SEA) at 21:30 and arrives in Ontario International Airport (ONT) at 00:13. -
What is the transportation method from the main airport to downtown in Los Angeles?
- The distance from Los Angeles Intl. Airport to downtown is about 19 km. It takes about 30 minutes by taxi.
- The distance from Ontario International Airport to downtown is about 59 km. It takes about 1 hour 10 minutes by taxi.
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Which airline operates the most direct flights from Seattle Tacoma Intl. Airport (SEA) to Ontario International Airport (ONT)?
Alaska Airlines is a very popular airline operating an average of 5154 flights per month.
Popular Destinations
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Recommended Routes Going to Ontario International Airport
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