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 $78 One Way, $142 Round Trip

Prices starting at $142 for return flights and $78 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.

Thu, Nov 19 - Wed, Nov 25
SEA
Seattle
ONT
Ontario
$142 Roundtrip, found 6 hours ago
$142
Roundtrip
found 6 hours ago
Select Frontier Airlines flight, departing Thu, Nov 19 from Seattle to Ontario, returning Wed, Nov 25, priced at $142 found 6 hours ago
Thu, Nov 19 - Tue, Nov 24
SEA
Seattle
ONT
Ontario
$147 Roundtrip, found 5 days ago
$147
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Thu, Nov 19 from Seattle to Ontario, returning Tue, Nov 24, priced at $147 found 5 days ago
Thu, Nov 19 - Wed, Nov 25
SEA
Seattle
ONT
Ontario
$149 Roundtrip, found 6 hours ago
$149
Roundtrip
found 6 hours ago
Select Frontier Airlines flight, departing Thu, Nov 19 from Seattle to Ontario, returning Wed, Nov 25, priced at $149 found 6 hours ago
Sun, Nov 15 - Thu, Nov 19
SEA
Seattle
ONT
Ontario
$150 Roundtrip, found 6 hours ago
$150
Roundtrip
found 6 hours ago
Select Frontier Airlines flight, departing Sun, Nov 15 from Seattle to Ontario, returning Thu, Nov 19, priced at $150 found 6 hours ago
Sat, Nov 21 - Tue, Dec 1
SEA
Seattle
ONT
Ontario
$247 Roundtrip, found 21 hours ago
$247
Roundtrip
found 21 hours ago
Select Delta flight, departing Sat, Nov 21 from Seattle to Ontario, returning Tue, Dec 1, priced at $247 found 21 hours ago

Hotel Ideas near Ontario Intl. Airport

Airport Hotels near Ontario Intl. Airport

Motel 6 Ontario, CA - Convention Center - Airport

Motel 6 Ontario, CA - Convention Center - Airport

2 out of 5
231 N Vineyard Ave Ontario CA
$71 nightly
The price is $82 total per night from Oct 27 to Oct 28
$82 total
Oct 27 - Oct 28
Total with taxes and fees
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. ...
Motel 6 Ontario, CA - Convention Center - 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
$99 nightly
The price is $114 total per night from Nov 5 to Nov 6
$114 total
Nov 5 - Nov 6
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 ...
8.2/10 Very Good! (2,543 reviews)
"Very nice and clean"

Reviewed on Oct 22, 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 Oct 25 to Oct 26
$145 total
Oct 25 - Oct 26
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 ...
DoubleTree by Hilton 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

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
$174 nightly
The price is $202 total per night from Nov 22 to Nov 23
$202 total
Nov 22 - Nov 23
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 ...
The Westin Bonaventure Hotel and Suites, Los Angeles
Loews Hollywood Hotel

Loews Hollywood Hotel

4 out of 5
1755 North Highland Avenue Los Angeles CA
$242 nightly
The price is $281 total per night from Nov 8 to Nov 9
$281 total
Nov 8 - Nov 9
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 ...
Loews Hollywood Hotel
Holiday Inn Los Angeles - LAX Airport by IHG

Holiday Inn Los Angeles - LAX Airport by IHG

3 out of 5
9901 S La Cienega Blvd Los Angeles CA
$132 nightly
The price is $153 total per night from Nov 19 to Nov 20
$153 total
Nov 19 - Nov 20
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 ...
Holiday Inn Los Angeles - LAX 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.

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
$129 nightly
The price is $150 total per night from Nov 22 to Nov 23
$150 total
Nov 22 - Nov 23
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 pool and ...
8.6/10 Excellent! (8,015 reviews)
"Clean room"

Reviewed on Oct 21, 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
$139 nightly
The price is $162 total per night from Oct 28 to Oct 29
$162 total
Oct 28 - Oct 29
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 ...
8.4/10 Very Good! (6,505 reviews)
"Nice"

Reviewed on Oct 22, 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
$134 nightly
The price is $156 total per night from Nov 20 to Nov 21
$156 total
Nov 20 - Nov 21
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 ...
8.4/10 Very Good! (4,803 reviews)
"Coffee machine broke, in our room on game day and it took. 3 phone calls 2 hrs 2 different guys to look and fix a coffee machine, told us to come get some coffee vouchers, went down to get them... 16 floors down then when I get down there they tell me they're sending them up. Not good communication, ..."

Reviewed on Oct 21, 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
$69 nightly
The price is $79 total per night from Nov 17 to Nov 18
$79 total
Nov 17 - Nov 18
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
$87 nightly
The price is $101 total per night from Oct 26 to Oct 27
$101 total
Oct 26 - Oct 27
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.
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
$88 nightly
The price is $99 total per night from Nov 3 to Nov 4
$99 total
Nov 3 - Nov 4
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. ...
8.6/10 Excellent! (2,710 reviews)
"F"

Reviewed on Oct 22, 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
$324 nightly
The price is $370 total per night from Nov 1 to Nov 2
$370 total
Nov 1 - Nov 2
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 ...
9.6/10 Exceptional! (2,967 reviews)
"Loved it."

Reviewed on Oct 22, 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
$159 nightly
The price is $185 total per night from Nov 2 to Nov 3
$185 total
Nov 2 - Nov 3
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! (1,542 reviews)
"Can’t fault this hotel. We stay on every trip out to LA. Super helpful and friendly staff always"

Reviewed on Oct 21, 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
$92 nightly
The price is $106 total per night from Nov 8 to Nov 9
$106 total
Nov 8 - Nov 9
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 ...
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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