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Cheap flights from Ontario to Shannon from €372

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Shannon departing on 8/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Find the cheapest flights from Ontario to Shannon

Cheap return flights

Enter your travel dates to find the best prices.
British Airways Logo
10:47 - 11:30ONT-SNN
16h 43m2 stops
British Airways Logo
07:50 - 22:28SNN-ONT
22h 38m2 stops
€597British Airways
Find Deal
Tue, 9 Dec - Mon, 15 Dec
American Airlines Logo
10:57 - 15:45ONT-SNN
21h 48m2 stops
American Airlines Logo
07:40 - 23:43SNN-ONT
24h 03m2 stops
€672American Airlines
Find Deal
Fri, 27 Mar - Tue, 31 Mar
British Airways Logo
10:47 - 11:30ONT-SNN
16h 43m2 stops
British Airways Logo
07:50 - 20:03SNN-ONT
20h 13m2 stops
€981British Airways
Find Deal
Fri, 28 Nov - Wed, 3 Dec

British Airways flights from Ontario to Shannon, Clare

Our best British Airways deals on Ontario to Shannon, Clare flight tickets
British Airways
9 Dec
ONT10:47Ontario
16h 43m
2 stops
SNN11:30Shannon
15 Dec
SNN07:50Shannon
22h 38m
2 stops
ONT22:28Ontario
€597
Find similar
British Airways
10 Nov
ONT16:47Ontario
15h 58m
2 stops
SNN16:45Shannon
25 Nov
SNN07:50Shannon
22h 33m
2 stops
ONT22:23Ontario
€649
Find similar
British Airways
28 Nov
ONT10:47Ontario
16h 43m
2 stops
SNN11:30Shannon
3 Dec
SNN07:50Shannon
20h 13m
2 stops
ONT20:03Ontario
€981
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Ontario to Shannon, Clare that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 13,528 searches. Data last updated 6 November 2025.
Use the filters below to find and compare flights from Ontario to Shannon, Clare that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Tue 9/12

10:47-11:30

2 stops16h 43m

Shannon

Mon 15/12

07:50-22:28

2 stops22h 38m

€597

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Fri 27/3

10:57-15:45

2 stops21h 48m

Shannon

Tue 31/3

07:40-23:43

2 stops24h 03m

€672

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Fri 28/11

10:47-11:30

2 stops16h 43m

Shannon

Wed 3/12

07:50-20:03

2 stops20h 13m

€981

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Wed 8/4

06:00-10:15

2 stops20h 15m

€372

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Tue 9/12

10:47-11:30

2 stops16h 43m

€430

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Thu 5/2

15:09-16:45

2 stops17h 36m

€443

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

See travel insights to Shannon from

How to get the cheapest flight ticket from Ontario to Shannon, Clare

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Ontario to Shannon?

United Airlines, British Airways, and American Airlines are the most popular carriers operating from Ontario to Shannon

When to book flights from Ontario to Shannon, Clare

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Shannon, Clare according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Ontario to Shannon, Clare (ONT to SNN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Shannon, Clare

Direct flights

None
There are no direct flights from Ontario to Shannon, Clare. There are no popular flight routes from Ontario to Shannon, Clare.
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  • How far is Ontario to Shannon by plane?

    Ontario and Shannon are 8167.8 km apart from one another. By plane, this route typically takes 16h 43m.

  • When did momondo last update prices for flights from Ontario Airport to Shannon Airport?

    Prices for flights from Ontario Airport to Shannon Airport were last updated today.

  • How old do you have to be to fly from Ontario Airport to Shannon Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ontario Airport to Shannon Airport.

  • What documentation or ID do you need to fly to Shannon Airport?

    The travel and health documents required for your trip to Shannon Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Shannon Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Travelling to a place near Shannon?

Book flights to Shannon if you plan to visit one of these locations
Limerick
Ennis
Nenagh
Tipperary
Adare
Killaloe
Lahinch
Bunratty

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Shannon?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ontario to Shannon. momondo saves you time and could save you money on your trip.

Can I find flights from Ontario to Shannon with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Shannon from Ontario with this policy.

How can momondo help me find flights from Ontario to Shannon?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ontario to Shannon.

I’m not ready to book a flight from Ontario to Shannon right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Ontario to Shannon flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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