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 $71 One Way, $123 Round Trip

Prices starting at $123 for return flights and $71 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, Apr 18 - Tue, Apr 21
SEA
Seattle
ONT
Ontario
$123 Roundtrip, found 1 day ago
$123
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Apr 18 from Seattle to Ontario, returning Tue, Apr 21, priced at $123 found 1 day ago
Sat, May 9 - Sun, May 10
SEA
Seattle
ONT
Ontario
$126 Roundtrip, found 12 hours ago
$126
Roundtrip
found 12 hours ago
Select Delta flight, departing Sat, May 9 from Seattle to Ontario, returning Sun, May 10, priced at $126 found 12 hours ago
Tue, Apr 21 - Tue, Apr 28
SEA
Seattle
ONT
Ontario
$129 Roundtrip, found 1 hour ago
$129
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Tue, Apr 21 from Seattle to Ontario, returning Tue, Apr 28, priced at $129 found 1 hour ago
Sat, Apr 18 - Tue, Apr 21
SEA
Seattle
ONT
Ontario
$132 Roundtrip, found 1 day ago
$132
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Apr 18 from Seattle to Ontario, returning Tue, Apr 21, priced at $132 found 1 day ago
Sat, May 9 - Sun, May 10
SEA
Seattle
ONT
Ontario
$136 Roundtrip, found 12 hours ago
$136
Roundtrip
found 12 hours ago
Select Delta flight, departing Sat, May 9 from Seattle to Ontario, returning Sun, May 10, priced at $136 found 12 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 $89 total per night from Mar 29 to Mar 30
$89 total
per night
Mar 29 - Mar 30
Stay at this hotel in Ontario. Enjoy free WiFi, free parking, and a 24-hour front desk. Our guests praise the helpful staff in our reviews. Popular attractions ...
9.4/10 Exceptional! (1,040 reviews)
The hotel’s location was very convenient as it was super close to the airport. The room was clean, confortable, and well-furnished. The staff was awesome

Reviewed on Mar 12, 2026

Extended Studio Hotel Ontario
Residence Inn by Marriott Ontario Airport

Residence Inn by Marriott Ontario Airport

3 out of 5
2025 Convention Center Way Ontario CA
The price is $106 total per night from Mar 17 to Mar 18
$106 total
per night
Mar 17 - Mar 18
Stay at this hotel in Ontario. Enjoy free breakfast, free WiFi, and a fitness center. Our guests praise the helpful staff and the clean rooms in our reviews. ...
7.4/10 Good! (1,000 reviews)
did not like the property when we got there so we went ahead and canceled the people at the front desk were very nice and said everything will be canceled. No problem.

Reviewed on Mar 11, 2026

Residence Inn by Marriott Ontario Airport
La Quinta Inn & Suites by Wyndham Ontario Airport

La Quinta Inn & Suites by Wyndham Ontario Airport

3 out of 5
3555 Inland Empire Blvd Ontario CA
The price is $107 total per night from Apr 5 to Apr 6
$107 total
per night
Apr 5 - Apr 6
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 ...
8.2/10 Very Good! (2,197 reviews)
Was easy checking room very clean breakfast was very good

Reviewed on Mar 12, 2026

La Quinta Inn & Suites by Wyndham Ontario 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 $177 total per night from Mar 29 to Mar 30
$177 total
per night
Mar 29 - Mar 30
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! (4,535 reviews)
My flight was cancelled and I couldn’t cancel my reservation. Airline fault nothing I had control over.

Reviewed on Mar 12, 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 Mar 22 to Mar 23
$212 total
per night
Mar 22 - Mar 23
Book a stay at this boutique hotel in Los Angeles. Enjoy free WiFi, breakfast (surcharge), and a fitness center. Our guests praise the helpful staff and the ...
E-Central Downtown 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 $154 total per night from Mar 30 to Mar 31
$154 total
per night
Mar 30 - Mar 31
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 ...
8.2/10 Very Good! (5,230 reviews)
Nice

Reviewed on Mar 13, 2026

Hilton Los Angeles 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.

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 $157 total per night from Apr 2 to Apr 3
$157 total
per night
Apr 2 - Apr 3
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! (7,913 reviews)
Amazing people and service very clean

Reviewed on Mar 12, 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 $154 total per night from Mar 30 to Mar 31
$154 total
per night
Mar 30 - Mar 31
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 ...
8.2/10 Very Good! (5,230 reviews)
Nice

Reviewed on Mar 13, 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 $177 total per night from Mar 16 to Mar 17
$177 total
per night
Mar 16 - Mar 17
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 ...
8.2/10 Very Good! (4,265 reviews)
They made the guests wait 45+ minutes at 11 pm check-in. Shuttle wasn’t as frequent as mentioned

Reviewed on Mar 12, 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 $97 total per night from Mar 24 to Mar 25
$97 total
per night
Mar 24 - Mar 25
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 ...
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 $93 total per night from Mar 24 to Mar 25
$93 total
per night
Mar 24 - Mar 25
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 (1,004 reviews)
It’s definitely not how the pictures say

Reviewed on Mar 5, 2026

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 $101 total per night from Mar 15 to Mar 16
$101 total
per night
Mar 15 - Mar 16
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. ...
8.4/10 Very Good! (2,154 reviews)
For being where it was located it was very low grade. Shower wasn’t great which is one thing I enjoy the most during my day. All they had was coffee in the morning.

Reviewed on Mar 13, 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 $321 total per night from Mar 25 to Mar 26
$321 total
per night
Mar 25 - Mar 26
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! (2,622 reviews)
My experience was terrible. The room looked nothing like the picture. Way smaller than expected. All my groceries went bad in the fridge. Just overall a terrible experience

Reviewed on Mar 13, 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 $197 total per night from Apr 5 to Apr 6
$197 total
per night
Apr 5 - Apr 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! (1,567 reviews)
We loved the shuttle and location as well as having Starbucyand Jersey Mikes on site!

Reviewed on Mar 11, 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 $111 total per night from Mar 29 to Mar 30
$111 total
per night
Mar 29 - Mar 30
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! (2,249 reviews)
The pictures featured were completely different than the condition the property is actually in. The bathroom in my room had mold on the walls and no trash can; only one trash can was provided with no replacement bag. I did like the variety of breakfast. Overall the room was spacious and served its ...

Reviewed on Mar 13, 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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