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 $76 One Way, $126 Round Trip

Prices starting at $126 for return flights and $76 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, Oct 30 - Mon, Nov 2
SEA
Seattle
ONT
Ontario
$126 Roundtrip, found 5 days ago
$126
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Fri, Oct 30 from Seattle to Ontario, returning Mon, Nov 2, priced at $126 found 5 days ago
Fri, Oct 16 - Thu, Oct 22
SEA
Seattle
ONT
Ontario
$134 Roundtrip, found 4 days ago
$134
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Fri, Oct 16 from Seattle to Ontario, returning Thu, Oct 22, priced at $134 found 4 days ago
Sun, Oct 18 - Thu, Oct 22
SEA
Seattle
ONT
Ontario
$135 Roundtrip, found 5 days ago
$135
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Sun, Oct 18 from Seattle to Ontario, returning Thu, Oct 22, priced at $135 found 5 days ago
Wed, Dec 2 - Wed, Dec 9
SEA
Seattle
ONT
Ontario
$140 Roundtrip, found 5 days ago
$140
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Wed, Dec 2 from Seattle to Ontario, returning Wed, Dec 9, priced at $140 found 5 days ago
Wed, Nov 11 - Wed, Nov 18
SEA
Seattle
ONT
Ontario
$267 Roundtrip, found 5 hours ago
$267
Roundtrip
found 5 hours ago
Select Delta flight, departing Wed, Nov 11 from Seattle to Ontario, returning Wed, Nov 18, priced at $267 found 5 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
$69 nightly
The price is $80 total per night from Oct 6 to Oct 7
$80 total
Oct 6 - Oct 7
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
$98 nightly
The price is $113 total per night from Oct 6 to Oct 7
$113 total
Oct 6 - Oct 7
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! (2,501 reviews)
"It was ok little musty but otherwise get what you pay for, great!"

Reviewed on Sep 19, 2026

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

Ontario Airport Inn

2.5 out of 5
1801 E G St Ontario CA
$87 nightly
The price is $100 total per night from Sep 22 to Sep 23
$100 total
Sep 22 - Sep 23
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 ...
9/10 Wonderful! (2,370 reviews)
"It was great."

Reviewed on Sep 19, 2026

Ontario Airport Inn
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
$191 nightly
The price is $222 total per night from Sep 27 to Sep 28
$222 total
Sep 27 - Sep 28
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
Hilton Los Angeles Airport

Hilton Los Angeles Airport

4 out of 5
5711 W Century Blvd Los Angeles CA
$122 nightly
The price is $142 total per night from Sep 27 to Sep 28
$142 total
Sep 27 - Sep 28
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 ...
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 Sep 27 to Sep 28
$311 total
Sep 27 - Sep 28
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! (5,525 reviews)
"Love the location"

Reviewed on Sep 19, 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 Sep 28 to Sep 29
$157 total
Sep 28 - Sep 29
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 ...
Sheraton Gateway Los Angeles Hotel
Hilton Los Angeles Airport

Hilton Los Angeles Airport

4 out of 5
5711 W Century Blvd Los Angeles CA
$122 nightly
The price is $142 total per night from Sep 27 to Sep 28
$142 total
Sep 27 - Sep 28
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 ...
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
$150 nightly
The price is $174 total per night from Sep 22 to Sep 23
$174 total
Sep 22 - Sep 23
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! (4,635 reviews)
"Beds were very comfortable. Restaurants were nice. But the vent in bathroom had dust bunnies hanging out of it."

Reviewed on Sep 19, 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
$73 nightly
The price is $85 total per night from Sep 22 to Sep 23
$85 total
Sep 22 - Sep 23
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! (8,998 reviews)
"Not bad overall"

Reviewed on Sep 19, 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
$87 nightly
The price is $101 total per night from Sep 23 to Sep 24
$101 total
Sep 23 - Sep 24
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
$101 nightly
The price is $113 total per night from Sep 27 to Sep 28
$113 total
Sep 27 - Sep 28
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. ...
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
$267 nightly
The price is $304 total per night from Sep 20 to Sep 21
$304 total
Sep 20 - Sep 21
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 ...
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
$168 nightly
The price is $195 total per night from Oct 5 to Oct 6
$195 total
Oct 5 - Oct 6
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 ...
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
$101 nightly
The price is $116 total per night from Oct 18 to Oct 19
$116 total
Oct 18 - Oct 19
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

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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