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

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Cheap Flights from SEA to ONT starting at $104 One Way, $208 Round Trip

Prices starting at $208 for return flights and $104 for one-way flights to Ontario Intl. Airport were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Jun 26 - Tue, Jun 30
SEA
Seattle
ONT
Ontario
$208 Roundtrip, found 8 hours ago
$208
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Fri, Jun 26 from Seattle to Ontario, returning Tue, Jun 30, priced at $208 found 8 hours ago
Thu, Jul 23 - Wed, Aug 12
SEA
Seattle
ONT
Ontario
$213 Roundtrip, found 4 hours ago
$213
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Thu, Jul 23 from Seattle to Ontario, returning Wed, Aug 12, priced at $213 found 4 hours ago
Fri, Jun 26 - Tue, Jun 30
SEA
Seattle
ONT
Ontario
$217 Roundtrip, found 8 hours ago
$217
Roundtrip
found 8 hours ago
Select Delta flight, departing Fri, Jun 26 from Seattle to Ontario, returning Tue, Jun 30, priced at $217 found 8 hours ago
Fri, Jul 31 - Wed, Aug 19
SEA
Seattle
ONT
Ontario
$217 Roundtrip, found 3 hours ago
$217
Roundtrip
found 3 hours ago
Select Alaska Airlines flight, departing Fri, Jul 31 from Seattle to Ontario, returning Wed, Aug 19, priced at $217 found 3 hours ago
Sat, Aug 15 - Thu, Aug 20
SEA
Seattle
ONT
Ontario
$218 Roundtrip, found 1 day ago
$218
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sat, Aug 15 from Seattle to Ontario, returning Thu, Aug 20, priced at $218 found 1 day ago

Hotel Ideas near Ontario Intl. Airport

Airport Hotels near Ontario Intl. 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
$98 nightly
The price is $113 total per night from Jun 4 to Jun 5
$113 total
Jun 4 - Jun 5
Total with taxes and fees
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! (2,313 reviews)
"Great customer service from Quentin. Helped me out multiple times and went out of his way to help me find what I needed. Thanks Quentin!"

Reviewed on May 28, 2026

La Quinta Inn & Suites by Wyndham Ontario Airport
DoubleTree by Hilton Ontario Airport

DoubleTree by Hilton Ontario Airport

4 out of 5
222 N Vineyard Ave Ontario CA
$122 nightly
The price is $140 total per night from Jun 7 to Jun 8
$140 total
Jun 7 - Jun 8
Total with taxes and fees
Book a stay at this business-friendly hotel in Ontario. Enjoy free WiFi, 2 restaurants, and a nightclub. Our guests praise the helpful staff and the clean rooms ...
8.4/10 Very Good! (1,018 reviews)
"Everything"

Reviewed on May 27, 2026

DoubleTree by Hilton Ontario Airport
Holiday Inn Ontario Airport by IHG

Holiday Inn Ontario Airport by IHG

3 out of 5
2155 E. Convention Center Way Ontario CA
$109 nightly
The price is $125 total per night from May 31 to Jun 1
$125 total
May 31 - Jun 1
Total with taxes and fees
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 ...
8.8/10 Excellent! (1,330 reviews)
"Great all though the elevator was not working 100%"

Reviewed on May 25, 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 Intl. Airport

Hyatt Regency Los Angeles International Airport

Hyatt Regency Los Angeles International Airport

4 out of 5
6225 W Century Blvd Los Angeles CA
$179 nightly
The price is $208 total per night from Jun 2 to Jun 3
$208 total
Jun 2 - Jun 3
Total with taxes and fees
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! (4,748 reviews)
"The plece is amazing"

Reviewed on May 27, 2026

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
$152 nightly
The price is $177 total per night from Jun 4 to Jun 5
$177 total
Jun 4 - Jun 5
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 ...
8.2/10 Very Good! (5,589 reviews)
"I arrived very late and the hotel shuttle came pretty promptly. It does maybe need a little cleaning, the seats were a little gross. Check in was fast and easy. The cafe had the largest muffins I have ever seen (delicious, too). Bed was comfortable. Room was spotless and seemed recently updated."

Reviewed on May 27, 2026

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
$191 nightly
The price is $222 total per night from Jun 7 to Jun 8
$222 total
Jun 7 - Jun 8
Total with taxes and fees
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 ...
8.8/10 Excellent! (3,095 reviews)
"Great job for the Bonaventure staff! Well done!"

Reviewed on May 26, 2026

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 Intl. Airport 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
$144 nightly
The price is $167 total per night from May 31 to Jun 1
$167 total
May 31 - Jun 1
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 ...
8.4/10 Very Good! (8,053 reviews)
"Wish there was an indoor pool due to it being chilli out. Although it’s “heated” it was still pretty cold."

Reviewed on May 28, 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
$152 nightly
The price is $177 total per night from Jun 4 to Jun 5
$177 total
Jun 4 - Jun 5
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 ...
8.2/10 Very Good! (5,589 reviews)
"I arrived very late and the hotel shuttle came pretty promptly. It does maybe need a little cleaning, the seats were a little gross. Check in was fast and easy. The cafe had the largest muffins I have ever seen (delicious, too). Bed was comfortable. Room was spotless and seemed recently updated."

Reviewed on May 27, 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
$147 nightly
The price is $170 total per night from Jun 9 to Jun 10
$170 total
Jun 9 - Jun 10
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 ...
8.2/10 Very Good! (4,381 reviews)
"The staff was very helpful and professional. I enjoyed my stay . Everyone was pleasant and had a positive attitude loved it ."

Reviewed on May 28, 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 Intl. Airport 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
$82 nightly
The price is $95 total per night from May 31 to Jun 1
$95 total
May 31 - Jun 1
Total with taxes and fees
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! (8,715 reviews)
"This property is very clean, well maintained and the rooms are very nice and comfortable. We all enjoyed our stay and the staff was very welcoming as well as helpful."

Reviewed on May 28, 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
$97 nightly
The price is $112 total per night from May 31 to Jun 1
$112 total
May 31 - Jun 1
Total with taxes and fees
Stay at this hotel in Inglewood. Enjoy free WiFi, free parking, and room service. Popular attractions SoFi Stadium and Kia Forum are located nearby.
4.6/10 (1,000 reviews)
"Na"

Reviewed on May 24, 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
$94 nightly
The price is $105 total per night from Jun 7 to Jun 8
$105 total
Jun 7 - Jun 8
Total with taxes and fees
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! (2,356 reviews)
"No house keeping just towels They don't clean room stayed 4 nights just got towels. Rooms stink"

Reviewed on May 27, 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 Intl. Airport

The Garland

The Garland

4.5 out of 5
4222 Vineland Ave North Hollywood CA
$301 nightly
The price is $347 total per night from May 31 to Jun 1
$347 total
May 31 - Jun 1
Total with taxes and fees
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! (2,700 reviews)
"we like the hotel and the staff, what was really annoying was in addition to the fee for the hotel, there was a $50 day on-site parking fee, and even though we’re allowed in and out parking, it was considerably more than all day parking if you were just visiting for the day."

Reviewed on May 26, 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
$165 nightly
The price is $192 total per night from May 31 to Jun 1
$192 total
May 31 - Jun 1
Total with taxes and fees
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! (1,563 reviews)
"The room was spacious and clean. The shower configuration was great. The work space was excellent. The mattress was cheap and uncomfortable, so I did not have a restful night. There also was a high level of noise from some mechanical system in the hotel. It wasn’t jarring, but very noticeable. The ..."

Reviewed on May 28, 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
$103 nightly
The price is $117 total per night from Jun 7 to Jun 8
$117 total
Jun 7 - Jun 8
Total with taxes and fees
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! (2,280 reviews)
"Love the location"

Reviewed on May 27, 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

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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