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 $57 One Way, $111 Round Trip

Prices starting at $111 for return flights and $57 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.

Sat, Jun 6 - Tue, Jun 9
SEA
Seattle
ONT
Ontario
$111 Roundtrip, found 8 hours ago
$111
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Sat, Jun 6 from Seattle to Ontario, returning Tue, Jun 9, priced at $111 found 8 hours ago
Fri, Jun 5 - Tue, Jun 9
SEA
Seattle
ONT
Ontario
$137 Roundtrip, found 4 hours ago
$137
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Fri, Jun 5 from Seattle to Ontario, returning Tue, Jun 9, priced at $137 found 4 hours ago
Fri, Jun 5 - Sun, Jun 7
SEA
Seattle
ONT
Ontario
$147 Roundtrip, found 3 days ago
$147
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Fri, Jun 5 from Seattle to Ontario, returning Sun, Jun 7, priced at $147 found 3 days ago
Sat, Jun 6 - Tue, Jun 9
SEA
Seattle
ONT
Ontario
$153 Roundtrip, found 8 hours ago
$153
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Sat, Jun 6 from Seattle to Ontario, returning Tue, Jun 9, priced at $153 found 8 hours ago
Sat, Jun 6 - Tue, Jun 9
SEA
Seattle
ONT
Ontario
$233 Roundtrip, found 8 hours ago
$233
Roundtrip
found 8 hours ago
Select Alaska Airlines flight, departing Sat, Jun 6 from Seattle to Ontario, returning Tue, Jun 9, priced at $233 found 8 hours 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 May 27 to May 28
$113 total
May 27 - May 28
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! (2,284 reviews)
Our first room had roaches in it so they switched us to another

Reviewed on May 16, 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
$126 nightly
The price is $145 total per night from Jun 7 to Jun 8
$145 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! (1,005 reviews)
The steakhouse was welcoming, and the food was excellent. When I went to extend my stay, I was told they were sold out and that there was nothing I could do. I am a Gold member, and I felt utterly dismissed by the lady at the front desk. Worst experience I've had with Hilton staff.

Reviewed on May 16, 2026

DoubleTree by Hilton Ontario Airport
Residence Inn by Marriott Ontario Airport

Residence Inn by Marriott Ontario Airport

3 out of 5
2025 Convention Center Way Ontario CA
$90 nightly
The price is $103 total per night from May 20 to May 21
$103 total
May 20 - May 21
Total with taxes and fees
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! (1,002 reviews)
Definitely needs Upgrades the Lamps are old and the Toilet Seat lookef old and outdated.

Reviewed on May 17, 2026

Residence Inn by Marriott 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 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
$169 nightly
The price is $196 total per night from May 26 to May 27
$196 total
May 26 - May 27
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! (4,710 reviews)
Did not use.

Reviewed on May 16, 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
$130 nightly
The price is $151 total per night from May 25 to May 26
$151 total
May 25 - May 26
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! (5,502 reviews)
The staff was extremely helpful while traveling with our young kids. (Ages 3 & 2.) Doors were held, quick check in, assistance with luggage and car seats (3 bags, 2 car seats), and friendly interactions with our kids. The entire facility was clean, professional staff, and overall a great experience. ...

Reviewed on May 17, 2026

Hilton Los Angeles Airport
Loews Hollywood Hotel

Loews Hollywood Hotel

4 out of 5
1755 North Highland Avenue Los Angeles CA
$267 nightly
The price is $311 total per night from May 24 to May 25
$311 total
May 24 - May 25
Total with taxes and fees
Book a stay at this business-friendly hotel in Los Angeles. Enjoy free WiFi, 2 restaurants, and breakfast (surcharge). Our guests praise the breakfast and the ...
9.2/10 Wonderful! (5,237 reviews)
Loved staying here. It is a beautiful hotel wirh amazing, friendly and helpful staff and so close to so many attractions, shops and restaurants.

Reviewed on May 17, 2026

Loews Hollywood Hotel
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
$135 nightly
The price is $157 total per night from May 27 to May 28
$157 total
May 27 - May 28
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! (8,050 reviews)
Clean friendly staff i will return

Reviewed on May 17, 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
$130 nightly
The price is $151 total per night from May 25 to May 26
$151 total
May 25 - May 26
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! (5,502 reviews)
The staff was extremely helpful while traveling with our young kids. (Ages 3 & 2.) Doors were held, quick check in, assistance with luggage and car seats (3 bags, 2 car seats), and friendly interactions with our kids. The entire facility was clean, professional staff, and overall a great experience. ...

Reviewed on May 17, 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
$152 nightly
The price is $177 total per night from May 21 to May 22
$177 total
May 21 - May 22
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! (4,358 reviews)
Check in “complicated “

Reviewed on May 16, 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
$86 nightly
The price is $100 total per night from May 25 to May 26
$100 total
May 25 - May 26
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 ...
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 18 to May 19
$112 total
May 18 - May 19
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 (999 reviews)
Pool was green. Shower was hot and cold. Cockroaches everywhere. No amenities

Reviewed on Apr 16, 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 May 18 to May 19
$105 total
May 18 - May 19
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! (2,329 reviews)
I like it was clean

Reviewed on May 17, 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
$223 nightly
The price is $256 total per night from May 25 to May 26
$256 total
May 25 - May 26
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! (2,691 reviews)
I was very disappointed. The facility looks like you walked back into the 70s. Bathroom was too small, grout in shower was dirty, and the shampoo, conditioner & body was was 3 different scents. The noise from the freeway was annoying and made it difficult to sleep. Pillows were uncomfortable. FYI, ...

Reviewed on May 16, 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
$157 nightly
The price is $182 total per night from May 19 to May 20
$182 total
May 19 - May 20
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! (1,564 reviews)
Customer Service was excellent at this location. Very impressed with our room as well!

Reviewed on May 16, 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 3 to Jun 4
$117 total
Jun 3 - Jun 4
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! (2,272 reviews)
Nice place at reasonable rates. The pool could be warmer though.

Reviewed on May 15, 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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