Find Cheap Flights from Seattle (SEA) to Ontario (QLA) from CHF 229

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Selected flight deals from Seattle to Ontario

The lowest prices found within the past 7 days from Seattle to Ontario were CHF 104 for one-way flights and CHF 229 for return flights, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, 10 Jun - Sat, 13 Jun
SEA
Seattle - Tacoma Intl.
ONT
Los Angeles - Ontario Intl.
CHF 229 Return, found 20 hours ago
CHF 229
Return
found 20 hours ago
Select Delta flight, departing Wed, 10 Jun from Seattle - Tacoma Intl. to Los Angeles - Ontario Intl., returning Sat, 13 Jun, priced at CHF 229 found 20 hours ago
Wed, 10 Jun - Sat, 13 Jun
SEA
Seattle - Tacoma Intl.
ONT
Los Angeles - Ontario Intl.
CHF 252 Return, found 20 hours ago
CHF 252
Return
found 20 hours ago
Select Delta flight, departing Wed, 10 Jun from Seattle - Tacoma Intl. to Los Angeles - Ontario Intl., returning Sat, 13 Jun, priced at CHF 252 found 20 hours ago
Wed, 10 Jun - Sat, 13 Jun
SEA
Seattle - Tacoma Intl.
SNA
John Wayne
CHF 270 Return, found 20 hours ago
CHF 270
Return
found 20 hours ago
Select Delta flight, departing Wed, 10 Jun from Seattle - Tacoma Intl. to John Wayne, returning Sat, 13 Jun, priced at CHF 270 found 20 hours ago
Wed, 10 Jun - Sat, 13 Jun
SEA
Seattle - Tacoma Intl.
ONT
Los Angeles - Ontario Intl.
CHF 278 Return, found 20 hours ago
CHF 278
Return
found 20 hours ago
Select Delta flight, departing Wed, 10 Jun from Seattle - Tacoma Intl. to Los Angeles - Ontario Intl., returning Sat, 13 Jun, priced at CHF 278 found 20 hours ago
Wed, 10 Jun - Sat, 13 Jun
SEA
Seattle - Tacoma Intl.
ONT
Los Angeles - Ontario Intl.
CHF 286 Return, found 20 hours ago
CHF 286
Return
found 20 hours ago
Select Delta flight, departing Wed, 10 Jun from Seattle - Tacoma Intl. to Los Angeles - Ontario Intl., returning Sat, 13 Jun, priced at CHF 286 found 20 hours ago
Cheap Flights from Seattle to Ontario & Flight Information
Origin airport IATA code
SEA
Destination airport IATA code
ONT
Number of flight options
2
Return price
CHF 228
Average flight time
2 hours 46 mins

Ontario Flight Information

Traveling From
Seattle
Origin Airport IATA Code
SEA
Traveling To
Ontario
Destination Airport IATA Code
QLA
Number of Airlines Serving
Available Airlines
Delta
Distance
Direct Flight Time
Flight Price
CHF 229

Need a car after flight from Seattle to Ontario

Economy

Chevrolet Spark or similar
  • 4 people
Chevrolet Spark
Economy Chevrolet Spark

Compact

Ford Focus or similar
  • 4 people
Ford Focus
Compact Ford Focus

Midsize

Toyota Corolla or similar
  • 5 people
Toyota Corolla
Midsize Toyota Corolla

SUV

Jeep Compass or similar
  • 5 people
Jeep Compass
SUV Jeep Compass

Place to stay after flight from Seattle to Ontario

Extended Studio Hotel Ontario

Extended Studio Hotel Ontario

2.5 out of 5
1818 E Holt Blvd Ontario CA
Dieses Hotel für Geschäftsreisende bietet dir einen angenehmen Aufenthalt in Ontario. Freu dich auf WLAN-Internetzugang (kostenlos), Parken ohne Service (kostenlos) ...
9/10 Wonderful! (875 reviews)
Clean room.

Reviewed on 18 Nov 2025

Opens in a new windowExtended Studio Hotel Ontario
DoubleTree by Hilton Ontario Airport

DoubleTree by Hilton Ontario Airport

4 out of 5
222 N Vineyard Ave Ontario CA
Dieses Hotel für Geschäftsreisende bietet dir einen angenehmen Aufenthalt in Ontario. Freu dich auf WLAN-Internetzugang (kostenlos), 2 Restaurants und Nachtclub. ...
8/10 Very Good! (1,000 reviews)
Guest services are quick and helpful, the room was clean, the pool and hot tub are well kept

Reviewed on 11 Nov 2025

Opens in a new windowDoubleTree by Hilton Ontario Airport
Hotel Seville

Hotel Seville

2 out of 5
2441 S Euclid Ave Ontario CA
Dieses Hotel bietet dir einen angenehmen Aufenthalt in Ontario. Freu dich auf WLAN-Internetzugang (kostenlos), Parken ohne Service (kostenlos) und eine rund ...
8.8/10 Excellent! (1,205 reviews)
Very clean and comfy! Stars updated clean towels daily- thank you!!

Reviewed on 15 Nov 2025

Opens in a new windowHotel Seville
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Motel 6 Ontario, CA - Convention Center - Airport

Motel 6 Ontario, CA - Convention Center - Airport

2 out of 5
231 N Vineyard Ave Ontario CA
Dieses Motel bietet dir einen angenehmen Aufenthalt in Ontario. Freu dich auf WLAN-Internetzugang (kostenlos), Parken ohne Service (kostenlos) und eine rund ...
7.2/10 Good! (1,370 reviews)
All the above and very quiet

Reviewed on 15 Nov 2025

Opens in a new windowMotel 6 Ontario, CA - Convention Center - Airport
Ontario Airport Inn

Ontario Airport Inn

2.5 out of 5
1801 E G St Ontario CA
Dieses Hotel für Geschäftsreisende bietet dir einen angenehmen Aufenthalt in Ontario. Freu dich auf inbegriffenes Frühstück, WLAN-Internetzugang (kostenlos) ...
8.8/10 Excellent! (1,723 reviews)
Love it

Reviewed on 17 Nov 2025

Opens in a new windowOntario Airport Inn
Holiday Inn Ontario Airport by IHG

Holiday Inn Ontario Airport by IHG

3 out of 5
2155 E. Convention Center Way Ontario CA
Dieses Hotel für Geschäftsreisende bietet dir einen angenehmen Aufenthalt in Ontario. Freu dich auf WLAN-Internetzugang (kostenlos), Parken ohne Service (kostenlos) ...
8.4/10 Very Good! (1,246 reviews)
Amazing

Reviewed on 17 Nov 2025

Opens in a new windowHoliday Inn Ontario Airport by IHG
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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.

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^Savings based on all holiday package bookings with Flight + Hotel made on ebookers.ie from January 1, 2019 to December 31, 2019 as compared to the price of the same components booked separately. Savings will vary based on origin/destination, length of trip, stay dates and selected travel supplier(s). Savings not available on all packages.