Flights from Seattle-Tacoma International Airport to Ontario International Airport
Cheap Flights from Seattle-Tacoma International Airport to Ontario International Airport
Search for flights from Seattle to Los Angeles and check out affordable one-way and round-trip options.
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Round-trip
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One way
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Cheapest nonstop
SEA 12:46 PM2h 39mNonstopONT 3:25 PMSeattle - Ontario | Mon, Apr 14 | Frontier Airlines
SIN 4:01 PM3hNonstopSEA 7:01 PMOntario - Seattle | Tue, Apr 15 | Frontier AirlinesPHP 3,942 PHP 7,04844% OFF44% OFFPHP 7,048 PHP 3,942 -
SEA 6:50 PM2h 35mNonstopONT 9:25 PMSeattle - Ontario | Mon, May 12 | Frontier Airlines
SIN 5:35 PM3h 7mNonstopSEA 8:42 PMOntario - Seattle | Wed, May 14 | Frontier AirlinesPHP 3,989 PHP 7,04843% OFF43% OFFPHP 7,048 PHP 3,989
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SEA 6:50 PM2h 35mNonstopONT 9:25 PMSeattle - Ontario | Thu, May 1 | Frontier Airlines
SIN 5:35 PM3h 7mNonstopSEA 8:42 PMOntario - Seattle | Sat, May 3 | Frontier AirlinesPHP 4,325 PHP 7,04839% OFF39% OFFPHP 7,048 PHP 4,325
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SEA 6:52 PM2h 39mNonstopONT 9:31 PMSeattle - Ontario | Mon, Apr 28 | Frontier Airlines
SIN 4:29 PM3h 3mNonstopSEA 7:32 PMOntario - Seattle | Mon, May 5 | Frontier AirlinesPHP 4,51236% OFFPHP 7,048 PHP 4,512
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SEA 6:50 PM2h 35mNonstopONT 9:25 PMSeattle - Ontario | Thu, May 8 | Frontier Airlines
SIN 4:29 PM3h 3mNonstopSEA 7:32 PMOntario - Seattle | Mon, May 12 | Frontier AirlinesPHP 4,63734% OFFPHP 7,048 PHP 4,637
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SEA 12:46 PM2h 39mNonstopONT 3:25 PMSeattle - Ontario | Mon, Apr 21 | Frontier Airlines
SIN 4:29 PM2h 54mNonstopSEA 7:23 PMOntario - Seattle | Mon, Apr 28 | Frontier AirlinesPHP 4,66034% OFFPHP 7,048 PHP 4,660
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SEA 1:50 PM2h 36mNonstopONT 4:26 PMSeattle - Ontario | Sat, May 24 | Frontier Airlines
SIN 8:39 AM3h 7mNonstopSEA 11:46 AMOntario - Seattle | Sat, May 31 | Frontier AirlinesPHP 4,98828% OFFPHP 7,048 PHP 4,988
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SEA 6:50 PM2h 35mNonstopONT 9:25 PMSeattle - Ontario | Mon, May 5 | Frontier Airlines
SIN 4:29 PM3h 3mNonstopSEA 7:32 PMOntario - Seattle | Mon, May 12 | Frontier AirlinesPHP 5,00428% OFFPHP 7,048 PHP 5,004
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SEA 5:30 AM6h 46m1 stopsONT 12:16 PMSeattle - Ontario | Sat, Apr 19 | Delta Air Lines
SIN 5:35 PM3hNonstopSEA 8:35 PMOntario - Seattle | Sat, Apr 26 | Frontier AirlinesPHP 4,56735% OFFPHP 7,048 PHP 4,567 -
SEA 6:00 AM17h 59m1 stopsONT 11:59 PMSeattle - Ontario | Tue, Apr 29 | Frontier Airlines
SIN 5:35 PM3h 7mNonstopSEA 8:42 PMOntario - Seattle | Tue, May 6 | Frontier AirlinesPHP 4,68434% OFFPHP 7,048 PHP 4,684
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SEA 1:00 PM17h 25m1 stopsLAX Invalid DateSeattle - Los Angeles | Wed, Apr 16 | Normal Airline
LAX 3:00 PM6hNonstopSEA 4:00 PMLos Angeles - Seattle | Fri, Apr 18 | Normal AirlineFind More FlightsFind More Flights
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Cheapest nonstop
SEA 12:46 PM2h 39mNonstopONT 3:25 PMSeattle - Ontario | Mon, Apr 14 | Frontier AirlinesPHP 2,162 PHP 3,59540% OFF40% OFFPHP 3,595 PHP 2,162
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SEA 6:50 PM2h 35mNonstopONT 9:25 PMSeattle - Ontario | Thu, May 1 | Frontier AirlinesPHP 2,225 PHP 3,59538% OFF38% OFFPHP 3,595 PHP 2,225
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SEA 6:52 PM2h 39mNonstopONT 9:31 PMSeattle - Ontario | Mon, Apr 28 | Frontier AirlinesPHP 2,240 PHP 3,59538% OFF38% OFFPHP 3,595 PHP 2,240
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SEA 6:50 PM2h 35mNonstopONT 9:25 PMSeattle - Ontario | Mon, May 5 | Frontier AirlinesPHP 2,24038% OFFPHP 3,595 PHP 2,240
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SEA 12:46 PM2h 39mNonstopONT 3:25 PMSeattle - Ontario | Thu, Apr 17 | Frontier AirlinesPHP 2,27237% OFFPHP 3,595 PHP 2,272
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SEA 12:46 PM2h 39mNonstopONT 3:25 PMSeattle - Ontario | Mon, Apr 21 | Frontier AirlinesPHP 2,27937% OFFPHP 3,595 PHP 2,279
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SEA 6:50 PM2h 35mNonstopONT 9:25 PMSeattle - Ontario | Mon, May 19 | Frontier AirlinesPHP 2,31136% OFFPHP 3,595 PHP 2,311
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SEA 6:50 PM2h 35mNonstopONT 9:25 PMSeattle - Ontario | Sun, May 4 | Frontier AirlinesPHP 2,49831% OFFPHP 3,595 PHP 2,498
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SEA 1:50 PM2h 36mNonstopONT 4:26 PMSeattle - Ontario | Wed, May 28 | Frontier AirlinesPHP 2,50630% OFFPHP 3,595 PHP 2,506
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SEA 1:50 PM2h 36mNonstopONT 4:26 PMSeattle - Ontario | Sat, May 24 | Frontier AirlinesPHP 2,55328% OFFPHP 3,595 PHP 2,553
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SEA 1:00 PM17h 25m1 stopsLAX Invalid DateSeattle - Los Angeles | Wed, Apr 16 | 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 International Airport to Ontario International Airport
See which airlines fly from Seattle to Los Angeles. Find the airline that best meets your travel needs by comparing prices and treat yourself to an enjoyable journey.
Flight Schedule from Seattle-Tacoma International Airport to Ontario International Airport
Check the schedule for flights from Seattle to Los Angeles and find the flight that best matches your travel plans.
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AS1086
Seattle-Tacoma International Airport
3:20 PM
SEA
5:57 PM
ONT
S M T W T F SSearch -
F93163
Seattle-Tacoma International Airport
1:50 PM
SEA
4:44 PM
ONT
S M - W T F SSearch -
AS1003
Seattle-Tacoma International Airport
9:22 PM
SEA
11:59 PM
ONT
S - - W T F SSearch -
HA6814
Seattle-Tacoma International Airport
8:27 AM
SEA
11:05 AM
ONT
S M T W T F -Search -
AS1254
Seattle-Tacoma International Airport
8:05 AM
SEA
10:39 AM
ONT
S M T W T F SSearch -
DL4027
Seattle-Tacoma International Airport
7:55 PM
SEA
10:41 PM
ONT
S M T W T F SSearch -
DL4070
Seattle-Tacoma International Airport
7:59 AM
SEA
10:48 AM
ONT
S M T W T F SSearch -
DL4031
Seattle-Tacoma International Airport
2:35 PM
SEA
5:22 PM
ONT
S M T W T F SSearch
Seattle-Tacoma International Airport to Ontario International Airport Flights Info
| Flight distance | 1,540.96 km |
|---|---|
| Cheapest one-way ticket price | PHP 2,162 |
| Cheapest return ticket price | PHP 3,942 |
FAQs for Seattle-Tacoma International Airport to Ontario International Airport Flights
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How long is a flight from Seattle-Tacoma International Airport to Ontario International Airport?
It takes around 2 hours 51 minutes to fly from Seattle-Tacoma International Airport (SEA) to Ontario International Airport (ONT). -
How many daily flights are there from Seattle-Tacoma International Airport (SEA) to Ontario International Airport (ONT)?
There are around 11 daily flights from Seattle-Tacoma International Airport (SEA) to Ontario International Airport (ONT). -
When are flight tickets from Seattle-Tacoma International Airport (SEA) to Ontario International Airport (ONT) the cheapest?
Tickets cost around PHP 4,925 in May, making it the cheapest month to book. Seattle-Tacoma International 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 International Airport (SEA) to Ontario International Airport (ONT) most expensive?
The route from Seattle-Tacoma International Airport (SEA) to Ontario International Airport (ONT) is quite popular. Without considering departure times or holidays, tickets cost around PHP 9,305 in April, the most expensive month to book this route. -
What is the transportation method from the main airport to downtown in Los Angeles?
- The distance from Los Angeles International 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 International Airport (SEA) to Ontario International Airport (ONT)?
Alaska Airlines is a very popular airline operating an average of 4830 flights per month.
Popular Destinations
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Recommended Routes Going to Ontario International Airport
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