Cheap Aer Lingus flights from Dublin to Ontario (DUB to ONT)

Find The Best Day To Fly from Dublin to Ontario

Amazing Aer Lingus DUB to ONT Flight Deals

The cheapest flights to Los Angeles - Ontario Intl. found within the past 7 days were $1,130 round trip and one way. Prices and availability subject to change. Additional terms may apply.

Discover our best Aer Lingus flight from Dublin DUB to Ontario ONT 

To find the best deals on flights to Dublin from Ontario with Aer Lingus, just enter your travel dates, filter by Aer Lingus, and hit search. You’ll find flights to choose from and can sort by price, flight duration, and arrival or departure time.  

 

Return flights from Dublin DUB to Ontario ONT with Aer Lingus 

If you’re planning a round trip, booking return flights with Aer Lingus is usually the most cost-effective option. With airfares ranging from $1,130 to $1,130, it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way Aer Lingus flights from Dublin DUB to Ontario ONT 

A one-way ticket gives you much greater flexibility—allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. Right now, a one-way Aer Lingus flight from Dublin to Ontario costs from . Prices and availability subject to change. Additional terms may apply. 

 

The easy way to find cheap flights to Ontario ONT from  Dublin DUB with Aer Lingus 

To find a cheap Aer Lingus flight from Dublin DUB to Ontario ONT, sort your search results by price or filter by budget. Thanks to Travelocity’s Price Match Promise, if you find a better airfare deal anywhere else within 24 hours, we’ll credit or refund the difference. 

 

How to find our best airfare deals on Aer Lingus flights from Dublin DUB to Ontario ONT 

If you’re looking for cheap flights, it helps to be flexible when it comes to your travel dates. You’ll usually find lower cost tickets when you travel during quieter months such as July, or if you book a flight with a stopover. 

 

Find nonstop flights from Dublin DUB to Ontario ONT with Aer Lingus 

If you’re keen to be on Ontario soil fast, don’t waste time with a stopover—filter your search results to show direct Aer Lingus flights only. The journey takes around hour(s) min(s) – so you’ll be there before you know it. 

 

Flexible airline tickets for Aer Lingus flights from Dublin DUB to Ontario ONT 

Make sure you’re not out of pocket if plans change by choosing a flexible ticket with penalty-free amendment and cancellation options. Use our ‘no change fee’ filter to see which flights have this option.  

 

There are a lot of reasons to book your flights to Ontario ONT from  Dublin DUB with Aer Lingus on Travelocity 

At Travelocity our vast and up-to-the-minute inventory puts all of our best flight deals in one place. So, whether you’re traveling on business or jetting off with friends and family, you can trust Travelocity to get you there.

Aer Lingus Airports
Hop on a(n) Aer Lingus flight today by flying to many destinations out of these domestic and international airports:
Airport code
Country
Airport name
Number of flights
ORDUSAO'Hare Intl.43
DUBIRLDublin16
LHRGBRHeathrow7
BOSUSALogan Intl.7
JFKUSAJohn F. Kennedy Intl.5
IAHUSAGeorge Bush Intercontinental4
MSNUSADane County Regional4
LAXUSALos Angeles Intl.3
STLUSALambert-St. Louis Intl.3
BNAUSANashville Intl.3

Travelers ❤️ these 🏨 after their flight to Ontario

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
This hotel features an outdoor pool and a gym. Traveling on business? Take advantage of the 24-hour business center, free WiFi in public areas, and free airport ...
8.4/10 Very Good! (2,204 reviews)
The stay was only for one night. The breakfast tasted terrible.

Reviewed on Mar 5, 2026

La Quinta Inn & Suites by Wyndham Ontario Airport
Extended Studio Hotel Ontario

Extended Studio Hotel Ontario

2.5 out of 5
1818 E Holt Blvd Ontario CA
Free self parking is available and the hotel's multilingual staff can provide around-the-clock assistance. WiFi in public areas is free. A business center, a ...
9.4/10 Exceptional! (1,025 reviews)
Safe surrounding area, very clean, staff very nice, room was spectacularly clean, comfy bed/pillows, lots of space, whole kitchen with dishwasher/stovetop/glass & dishware/full size fridge & automatic ice maker. Exceeded my expectations! Also appreciate the elevator as I have mobility issues

Reviewed on Mar 4, 2026

Extended Studio Hotel Ontario
Azure Hotel & Suites, Trademark Collection by Wyndham

Azure Hotel & Suites, Trademark Collection by Wyndham

3 out of 5
1945 E. Holt Blvd Ontario CA
This hotel features a restaurant, a gym, and a bar/lounge. Traveling on business? Take advantage of the 24-hour business center and free WiFi in public areas. ...
8.6/10 Excellent! (2,241 reviews)
receptionest destiny extremely rude was on her phone. not rude to just me but another customer. gave me a room where ac didnt work was move to another room a smoking room where even the smoke detectors had bags covering them. wont stay here again after 7vyears this was our go to spot

Reviewed on Mar 3, 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.
*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.