Cheap flights from SEA to ONT (Seattle - Tacoma Intl. to Los Angeles - Ontario Intl.)

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Cheap Flights from SEA to ONT starting at $61 One Way, $99 Round Trip

Prices starting at $99 for return flights and $61 for one-way flights to Los Angeles - Ontario Intl. were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Feb 4 - Mon, Feb 9
SEA
Seattle
ONT
Ontario
$99 Roundtrip, found 1 day ago
$99
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Wed, Feb 4 from Seattle to Ontario, returning Mon, Feb 9, priced at $99 found 1 day ago
Mon, Feb 2 - Tue, Feb 10
SEA
Seattle
ONT
Ontario
$99 Roundtrip, found 3 days ago
$99
Roundtrip
found 3 days ago
Select Delta flight, departing Mon, Feb 2 from Seattle to Ontario, returning Tue, Feb 10, priced at $99 found 3 days ago
Wed, Jan 28 - Mon, Feb 2
SEA
Seattle
ONT
Ontario
$100 Roundtrip, found 2 days ago
$100
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Wed, Jan 28 from Seattle to Ontario, returning Mon, Feb 2, priced at $100 found 2 days ago
Wed, Jan 28 - Mon, Feb 2
SEA
Seattle
ONT
Ontario
$101 Roundtrip, found 2 days ago
$101
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Wed, Jan 28 from Seattle to Ontario, returning Mon, Feb 2, priced at $101 found 2 days ago
Fri, Feb 6 - Mon, Feb 9
SEA
Seattle
ONT
Ontario
$102 Roundtrip, found 1 day ago
$102
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Fri, Feb 6 from Seattle to Ontario, returning Mon, Feb 9, priced at $102 found 1 day ago

Hotel Ideas near Los Angeles - Ontario Intl.

Airport Hotels near Los Angeles - Ontario Intl.

Extended Studio Hotel Ontario

Extended Studio Hotel Ontario

2.5 out of 5
1818 E Holt Blvd Ontario CA
The price is $109 total per night from Jan 18 to Jan 19
$109 total
per night
Jan 18 - Jan 19
Book a stay at this business-friendly hotel in Ontario. Enjoy free WiFi, free parking, and a 24-hour front desk. Our guests praise the helpful staff in our reviews. ...
9/10 Wonderful! (1,028 reviews)
The laundry room was clean and also included in your stay. Very nice!

Reviewed on Jan 5, 2026

Extended Studio Hotel Ontario
Azure Hotel & Suites, Trademark Collection by Wyndham

Azure Hotel & Suites, Trademark Collection by Wyndham

3 out of 5
1945 E. Holt Blvd Ontario CA
The price is $108 total per night from Jan 13 to Jan 14
$108 total
per night
Jan 13 - Jan 14
Book a stay at this business-friendly hotel in Ontario. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful staff ...
8.4/10 Very Good! (2,177 reviews)
I liked staying here it was my 2nd time. Room is very clean and tidy and the staff was friendly. Bed was comfortable

Reviewed on Jan 6, 2026

Azure Hotel & Suites, Trademark Collection by Wyndham
Holiday Inn Ontario Airport by IHG

Holiday Inn Ontario Airport by IHG

3 out of 5
2155 E. Convention Center Way Ontario CA
The price is $116 total per night from Feb 8 to Feb 9
$116 total
per night
Feb 8 - Feb 9
Book a stay at this business-friendly hotel in Ontario. Enjoy free WiFi, free parking, and breakfast (surcharge). Our guests praise the helpful staff and the ...
8.6/10 Excellent! (1,289 reviews)
Everything was great

Reviewed on Jan 5, 2026

Holiday Inn Ontario Airport by IHG
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

Hotels In Ontario

Hyatt Regency Los Angeles International Airport

Hyatt Regency Los Angeles International Airport

4 out of 5
6225 W Century Blvd Los Angeles CA
The price is $196 total per night from Jan 25 to Jan 26
$196 total
per night
Jan 25 - Jan 26
Book a stay at this business-friendly hotel in Los Angeles. Enjoy free WiFi, breakfast (surcharge), and a free airport shuttle. Our guests praise the breakfast ...
8.8/10 Excellent! (4,486 reviews)
!

Reviewed on Jan 5, 2026

Hyatt Regency Los Angeles International Airport
E-Central Downtown Los Angeles Hotel

E-Central Downtown Los Angeles Hotel

4 out of 5
1020 S Figueroa Street Los Angeles CA
The price is $212 total per night from Jan 12 to Jan 13
$212 total
per night
Jan 12 - Jan 13
Book a stay at this boutique hotel in Los Angeles. Enjoy free WiFi, breakfast (surcharge), and valet parking (surcharge). Our guests praise the helpful staff ...
8.8/10 Excellent! (2,661 reviews)
Super nice place. Would stay again. Nice bar with great food.

Reviewed on Jan 5, 2026

E-Central Downtown Los Angeles Hotel
DoubleTree by Hilton LAX - El Segundo

DoubleTree by Hilton LAX - El Segundo

4 out of 5
1985 E Grand Ave El Segundo CA
The price is $129 total per night from Jan 25 to Jan 26
$129 total
per night
Jan 25 - Jan 26
Book a stay at this business-friendly hotel in El Segundo. Enjoy free WiFi, breakfast (surcharge), and a free airport shuttle. Our guests praise the helpful ...
7.8/10 Good! (3,497 reviews)
Yes, but soap and conditioner containers were empty

Reviewed on Jan 6, 2026

DoubleTree by Hilton LAX - El Segundo
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

Ontario Hotels With Airport Transportation

Sheraton Gateway Los Angeles Hotel

Sheraton Gateway Los Angeles Hotel

4 out of 5
6101 W Century Blvd Los Angeles CA
The price is $153 total per night from Jan 18 to Jan 19
$153 total
per night
Jan 18 - Jan 19
Book a stay at this business-friendly hotel in Los Angeles. Enjoy breakfast (surcharge), a free airport shuttle, and a health club. Our guests praise the pool ...
8.4/10 Very Good! (7,883 reviews)
Noise levels weren’t bad at all

Reviewed on Jan 6, 2026

Sheraton Gateway Los Angeles Hotel
Hilton Los Angeles Airport

Hilton Los Angeles Airport

4 out of 5
5711 W Century Blvd Los Angeles CA
The price is $157 total per night from Jan 14 to Jan 15
$157 total
per night
Jan 14 - Jan 15
Book a stay at this business-friendly hotel in Los Angeles. Enjoy 5 restaurants, breakfast (surcharge), and a free airport shuttle. Our guests praise the helpful ...
8/10 Very Good! (5,042 reviews)
This hotel never disappoints!

Reviewed on Jan 10, 2026

Hilton Los Angeles Airport
Sonesta Los Angeles Airport LAX

Sonesta Los Angeles Airport LAX

4 out of 5
5985 W Century Blvd Los Angeles CA
The price is $167 total per night from Jan 14 to Jan 15
$167 total
per night
Jan 14 - Jan 15
Book a stay at this business-friendly hotel in Los Angeles. Enjoy free WiFi, 4 restaurants, and breakfast (surcharge). Our guests praise the helpful staff and ...
8/10 Very Good! (4,566 reviews)
Might be getting there at 2 AM and there was a long line waiting to get rooms. They were very hospitable and understanding given that I had just driven 17 hours and they got me into my room very quickly. And they even were fine enough to give me a late checkout.

Reviewed on Jan 5, 2026

Sonesta Los Angeles Airport LAX
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

Low Priced Ontario Hotels

Motel 6 Los Angeles, CA - Los Angeles - LAX

Motel 6 Los Angeles, CA - Los Angeles - LAX

2 out of 5
5101 W Century Blvd Inglewood CA
The price is $78 total per night from Jan 28 to Jan 29
$78 total
per night
Jan 28 - Jan 29
Stay at this motel in Inglewood. Enjoy free WiFi, parking (surcharge), and a 24-hour front desk. Our guests praise the helpful staff and the clean rooms in our ...
7.4/10 Good! (8,455 reviews)
Clean rooms and friendly staff

Reviewed on Jan 6, 2026

Motel 6 Los Angeles, CA - Los Angeles - LAX
Los Angeles Adventurer All Suite Hotel at LAX

Los Angeles Adventurer All Suite Hotel at LAX

2.5 out of 5
4200 W Century Blvd. Inglewood CA
The price is $116 total per night from Jan 12 to Jan 13
$116 total
per night
Jan 12 - Jan 13
Stay at this hotel in Inglewood. Enjoy free WiFi, free parking, and room service. Popular attractions SoFi Stadium and Kia Forum are located nearby.
4.4/10 (999 reviews)
Great place .. great deal

Reviewed on Oct 12, 2025

Los Angeles Adventurer All Suite Hotel at LAX
Good Nite Inn - Calabasas

Good Nite Inn - Calabasas

2 out of 5
26557 Agoura Rd Agoura Hills CA
The price is $100 total per night from Jan 11 to Jan 12
$100 total
per night
Jan 11 - Jan 12
Stay at this motel in Agoura Hills. Enjoy free WiFi, a 24-hour front desk, and daily housekeeping. Our guests praise the pool and the helpful staff in our reviews. ...
8.2/10 Very Good! (1,950 reviews)
Always Welcoming

Reviewed on Jan 8, 2026

Good Nite Inn - Calabasas
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

Family Friendly Hotels in Ontario

The Garland

The Garland

4.5 out of 5
4222 Vineland Ave North Hollywood CA
The price is $343 total per night from Jan 11 to Jan 12
$343 total
per night
Jan 11 - Jan 12
Book a stay at this luxury hotel in North Hollywood. Enjoy free WiFi, breakfast (surcharge), and a free area shuttle. Our guests praise the pool and the restaurant ...
9.4/10 Exceptional! (2,549 reviews)
Really nice place. Great Vibe. Service was great. Have no complaints about this place.

Reviewed on Jan 4, 2026

The Garland
Residence Inn by Marriott Los Angeles LAX/Century Boulevard

Residence Inn by Marriott Los Angeles LAX/Century Boulevard

4 out of 5
5933 W Century Blvd Los Angeles CA
The price is $179 total per night from Jan 18 to Jan 19
$179 total
per night
Jan 18 - Jan 19
Book a stay at this business-friendly hotel in Los Angeles. Enjoy free breakfast, free WiFi, and 2 restaurants. Our guests praise the breakfast and the helpful ...
8.6/10 Excellent! (1,535 reviews)
Clean, staff was super helpful and understanding

Reviewed on Jan 4, 2026

Residence Inn by Marriott Los Angeles LAX/Century Boulevard
Azure Hotel & Suites, Trademark Collection by Wyndham

Azure Hotel & Suites, Trademark Collection by Wyndham

3 out of 5
1945 E. Holt Blvd Ontario CA
The price is $108 total per night from Jan 13 to Jan 14
$108 total
per night
Jan 13 - Jan 14
Book a stay at this business-friendly hotel in Ontario. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful staff ...
8.4/10 Very Good! (2,177 reviews)
I liked staying here it was my 2nd time. Room is very clean and tidy and the staff was friendly. Bed was comfortable

Reviewed on Jan 6, 2026

Azure Hotel & Suites, Trademark Collection by Wyndham
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

SEA to ONT Route Info

Origin Airport
Destination Airport
Number Of Airlines Serving
Distance
Shortest Flight Departure Time
Shortest Flight Departure Date
SEA Address & GPS
Address:
Seattle WA, 98158
United States
IATA Code:
SEA
Longitude:
-122.301732
Latitude:
47.443839
Time Zone:
America/Los_Angeles
ONT Address & GPS
Address:
2900 E. Airport Drive
Ontario CA, 91761
United States
IATA Code:
ONT
Longitude:
-117.601193
Latitude:
34.056001
Time Zone:
America/Los_Angeles

Frequently asked questions

Are there non-stop flights from Sea-Tac Airport to Ontario Airport?
If you're itching to travel from Sea-Tac Airport to ONT with no stopovers, you're in luck — there are 3 airlines which offer direct services on this route. Here are some of the most well-respected ones:

  • Alaska Airlines
  • Delta Air Lines
  • Frontier Airlines

What is the shortest flight from Sea-Tac Airport to Ontario Airport?
If the weather is good and all goes as planned, you could be disembarking at Ontario Airport from Sea-Tac Airport in just 2 hours and 31 minutes. With such a brief flight time, contemplate bringing just carry-on luggage.
How many hours flight from Seattle - Tacoma Intl. Airport (SEA) to Los Angeles - Ontario Intl. Airport (ONT)?
It takes 2 hours and 40 minutes on average to get from SEA to ONT. Whip out your travel book and start circling the spots you'd like to visit. It won't be long before you'll be seeing them in person.
What airlines have the most flights from Sea-Tac Airport to Ontario Airport?
First-rate service, reliability and superb in-flight entertainment are just a few things that make an airline shine. If you need to get from Sea-Tac Airport to ONT, why not fly with the best? Frontier Airlines (F9) operates 15 flights on this route every month. Delta Air Lines (DL) also operates services from Seattle to Ontario. It's another great option and has 73 flights every month.

Map To Nearby Hotels

Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.

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