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 $51 One Way, $101 Round Trip

Prices starting at $101 for return flights and $51 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.

Sat, Jan 17 - Sun, Jan 18
SEA
Seattle
ONT
Ontario
$101 Roundtrip, found 3 hours ago
$101
Roundtrip
found 3 hours ago
Select Delta flight, departing Sat, Jan 17 from Seattle to Ontario, returning Sun, Jan 18, priced at $101 found 3 hours ago
Mon, Jan 5 - Thu, Jan 8
SEA
Seattle
ONT
Ontario
$105 Roundtrip, found 6 days ago
$105
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Mon, Jan 5 from Seattle to Ontario, returning Thu, Jan 8, priced at $105 found 6 days ago
Thu, Jan 8 - Sun, Jan 11
SEA
Seattle
ONT
Ontario
$106 Roundtrip, found 1 day ago
$106
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Thu, Jan 8 from Seattle to Ontario, returning Sun, Jan 11, priced at $106 found 1 day ago
Sat, Jan 17 - Sun, Jan 18
SEA
Seattle
ONT
Ontario
$111 Roundtrip, found 3 hours ago
$111
Roundtrip
found 3 hours ago
Select Delta flight, departing Sat, Jan 17 from Seattle to Ontario, returning Sun, Jan 18, priced at $111 found 3 hours ago
Fri, Jan 23 - Fri, Jan 30
SEA
Seattle
ONT
Ontario
$119 Roundtrip, found 17 hours ago
$119
Roundtrip
found 17 hours ago
Select Alaska Airlines flight, departing Fri, Jan 23 from Seattle to Ontario, returning Fri, Jan 30, priced at $119 found 17 hours 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 $82 total per night from Dec 23 to Dec 24
$82 total
per night
Dec 23 - Dec 24
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! (971 reviews)
Always a great stay here

Reviewed on Dec 18, 2025

Extended Studio Hotel Ontario
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 $113 total per night from Dec 21 to Dec 22
$113 total
per night
Dec 21 - Dec 22
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 ...
8.4/10 Very Good! (1,274 reviews)
Large clean room with good amenities.

Reviewed on Dec 15, 2025

Holiday Inn Ontario Airport by IHG
Motel 6 Ontario, CA - Convention Center - Airport

Motel 6 Ontario, CA - Convention Center - Airport

2 out of 5
231 N Vineyard Ave Ontario CA
The price is $80 total per night from Jan 6 to Jan 7
$80 total
per night
Jan 6 - Jan 7
Stay at this motel in Ontario. Enjoy free WiFi, free parking, and a 24-hour front desk. Our guests praise the helpful staff and the clean rooms in our reviews. ...
7.2/10 Good! (1,421 reviews)
Like I wasn't even rhere

Reviewed on Dec 13, 2025

Motel 6 Ontario, CA - Convention Center - Airport
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 3 to Jan 4
$196 total
per night
Jan 3 - Jan 4
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! (4,476 reviews)
Airport shuttle was super convenient. I would definitely come back the next time I need to stay near LAX.

Reviewed on Dec 13, 2025

Hyatt Regency Los Angeles International Airport
Hilton Los Angeles Airport

Hilton Los Angeles Airport

4 out of 5
5711 W Century Blvd Los Angeles CA
The price is $152 total per night from Dec 22 to Dec 23
$152 total
per night
Dec 22 - Dec 23
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! (5,020 reviews)
Good shuttle and room condition

Reviewed on Dec 16, 2025

Hilton Los Angeles Airport
The Westin Bonaventure Hotel and Suites, Los Angeles

The Westin Bonaventure Hotel and Suites, Los Angeles

4 out of 5
404 S Figueroa St Los Angeles CA
The price is $202 total per night from Dec 23 to Dec 24
$202 total
per night
Dec 23 - Dec 24
Book a stay at this spa hotel in Los Angeles. Enjoy a full-service spa, 3 restaurants, and 3 bars/lounges. Our guests praise the helpful staff and the clean ...
8.6/10 Excellent! (2,938 reviews)
great staff, solid fitness center and bar area..lunch in bistro was great...urban noise was the only negative

Reviewed on Dec 13, 2025

The Westin Bonaventure Hotel and Suites, Los Angeles
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
$125 nightly
The price is $145 total per night from Dec 20 to Dec 21
$145 total
Dec 20 - Dec 21
Total with taxes and fees
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 ...
8.2/10 Very Good! (7,815 reviews)
Super clean like always 👌

Reviewed on Dec 18, 2025

Sheraton Gateway Los Angeles Hotel
Hilton Los Angeles Airport

Hilton Los Angeles Airport

4 out of 5
5711 W Century Blvd Los Angeles CA
$131 nightly
The price is $152 total per night from Dec 22 to Dec 23
$152 total
Dec 22 - Dec 23
Total with taxes and fees
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! (5,020 reviews)
Good shuttle and room condition

Reviewed on Dec 16, 2025

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
$132 nightly
The price is $153 total per night from Dec 31 to Jan 1
$153 total
Dec 31 - Jan 1, 2026
Total with taxes and fees
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! (4,528 reviews)
Friendly staff, nice food, and reasonable pricing model.

Reviewed on Dec 17, 2025

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 11 to Jan 12
$78 total
per night
Jan 11 - Jan 12
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! (8,318 reviews)
Staff was friendly

Reviewed on Dec 17, 2025

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 Dec 22 to Dec 23
$116 total
per night
Dec 22 - Dec 23
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 (1,000 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 Dec 20 to Dec 21
$100 total
per night
Dec 20 - Dec 21
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! (1,891 reviews)
The linens and towels were basic but clean. For the price you cannot beat it for this area! I felt safe and staff was friendly. The walls could have been cleaner, especially in the bathroom. But again, a great value for a place to sleep after being out all day.

Reviewed on Dec 15, 2025

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 $320 total per night from Dec 20 to Dec 21
$320 total
per night
Dec 20 - Dec 21
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! (2,511 reviews)
Staff were incredibly nice, pool was wonderful, room was super comfortable! We will be back!

Reviewed on Dec 15, 2025

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 $187 total per night from Jan 5 to Jan 6
$187 total
per night
Jan 5 - Jan 6
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! (1,523 reviews)
staff was great

Reviewed on Dec 18, 2025

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 $87 total per night from Dec 23 to Dec 24
$87 total
per night
Dec 23 - Dec 24
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! (2,125 reviews)
Very beautiful clean room along with the hotel lobby , a warm welcome feeling , will definitely come back again....

Reviewed on Dec 14, 2025

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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