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, $156 Round Trip

Prices starting at $156 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.

Wed, Dec 2 - Sat, Dec 5
SEA
Seattle
ONT
Ontario
$156 Roundtrip, found 3 hours ago
$156
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Wed, Dec 2 from Seattle to Ontario, returning Sat, Dec 5, priced at $156 found 3 hours ago
Wed, Dec 9 - Sat, Dec 12
SEA
Seattle
ONT
Ontario
$167 Roundtrip, found 23 hours ago
$167
Roundtrip
found 23 hours ago
Select Frontier Airlines flight, departing Wed, Dec 9 from Seattle to Ontario, returning Sat, Dec 12, priced at $167 found 23 hours ago
Mon, Nov 23 - Wed, Dec 2
SEA
Seattle
ONT
Ontario
$169 Roundtrip, found 1 day ago
$169
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Mon, Nov 23 from Seattle to Ontario, returning Wed, Dec 2, priced at $169 found 1 day ago
Mon, Nov 2 - Mon, Nov 9
SEA
Seattle
ONT
Ontario
$171 Roundtrip, found 1 day ago
$171
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Mon, Nov 2 from Seattle to Ontario, returning Mon, Nov 9, priced at $171 found 1 day ago
Tue, Nov 3 - Sat, Nov 7
SEA
Seattle
ONT
Ontario
$245 Roundtrip, found 4 days ago
$245
Roundtrip
found 4 days ago
Select Bargain Flight flight, departing Tue, Nov 3 from Seattle to Ontario, returning Sat, Nov 7, priced at $245 found 4 days ago

Hotel Ideas near Ontario Intl. Airport

Family Friendly Hotels in Ontario Intl. Airport

The Garland

The Garland

4.5 out of 5
4222 Vineland Ave North Hollywood CA
$293 nightly
The price is $334 total per night from Oct 4 to Oct 5
$334 total
Oct 4 - Oct 5
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 13 to Oct 14
$195 total
Oct 13 - Oct 14
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
$100 nightly
The price is $115 total per night from Oct 18 to Oct 19
$115 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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