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Cheap flights from Ontario to Shannon from €367

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 29/8. 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.
United Airlines Logo
09:39 - 10:15
ONT
-
SNN
16h 36m
2 stops
United Airlines Logo
12:30 - 21:58
SNN
-
ONT
17h 28m
2 stops
€704United Airlines
Wed, 14 Oct - Wed, 21 Oct
United Airlines Logo
07:00 - 10:15
ONT
-
SNN
43h 15m
2 stops
United Airlines Logo
12:30 - 22:26
SNN
-
ONT
17h 56m
2 stops
€713United Airlines
Sat, 17 Oct - Wed, 21 Oct
United Airlines Logo
07:00 - 07:30
ONT
-
SNN
16h 30m
1 stop
United Airlines Logo
09:30 - 22:35
SNN
-
ONT
21h 05m
1 stop
€716United Airlines
Wed, 12 Aug - Tue, 25 Aug
United Airlines Logo
07:00 - 07:30
ONT
-
SNN
16h 30m
1 stop
United Airlines Logo
09:30 - 22:35
SNN
-
ONT
21h 05m
1 stop
€722United Airlines
Sun, 16 Aug - Tue, 1 Sep
United Airlines Logo
07:00 - 07:30
ONT
-
SNN
16h 30m
1 stop
United Airlines Logo
09:30 - 20:53
SNN
-
ONT
19h 23m
2 stops
€726United Airlines
Sun, 16 Aug - Thu, 3 Sep
United Airlines Logo
07:00 - 07:30
ONT
-
SNN
16h 30m
1 stop
United Airlines Logo
09:30 - 22:35
SNN
-
ONT
21h 05m
1 stop
€759United Airlines
Wed, 12 Aug - Sat, 29 Aug
United Airlines Logo
07:00 - 07:30
ONT
-
SNN
16h 30m
1 stop
United Airlines Logo
09:30 - 22:35
SNN
-
ONT
21h 05m
1 stop
€765United Airlines
Sun, 16 Aug - Sat, 29 Aug
United Airlines Logo
07:00 - 07:30
ONT
-
SNN
16h 30m
1 stop
United Airlines Logo
09:30 - 22:35
SNN
-
ONT
21h 05m
1 stop
€773United Airlines
Thu, 20 Aug - Tue, 1 Sep
United Airlines Logo
07:00 - 07:30
ONT
-
SNN
16h 30m
1 stop
United Airlines Logo
09:30 - 22:35
SNN
-
ONT
21h 05m
1 stop
€816United Airlines
Sat, 15 Aug - Mon, 31 Aug
United Airlines Logo
06:10 - 07:30
ONT
-
SNN
17h 20m
1 stop
United Airlines Logo
09:30 - 22:51
SNN
-
ONT
21h 21m
1 stop
€856United Airlines
Thu, 9 Jul - Thu, 16 Jul

British Airways flights from Ontario to Shannon, Clare

Our best British Airways deals on Ontario to Shannon, Clare flight tickets
British Airways
12 Aug
ONT14:27Ontario
17h 43m
2 stops
SNN16:10Shannon
27 Aug
SNN07:30Shannon
19h 45m
2 stops
ONT19:15Ontario
€931
British Airways
18 Jul
ONT14:15Ontario
17h 50m
2 stops
SNN16:05Shannon
26 Jul
SNN07:30Shannon
18h 48m
2 stops
ONT18:18Ontario
€1,949
British Airways
3 Jul
ONT14:15Ontario
17h 35m
2 stops
SNN15:50Shannon
10 Jul
SNN07:30Shannon
18h 48m
2 stops
ONT18:18Ontario
€2,015

United Airlines flights from Ontario to Shannon, Clare

Our best United Airlines deals on Ontario to Shannon, Clare flight tickets
United Airlines
14 Oct
ONT09:39Ontario
16h 36m
2 stops
SNN10:15Shannon
21 Oct
SNN12:30Shannon
17h 28m
2 stops
ONT21:58Ontario
€704
United Airlines
17 Oct
ONT07:00Ontario
43h 15m
2 stops
SNN10:15Shannon
21 Oct
SNN12:30Shannon
17h 56m
2 stops
ONT22:26Ontario
€713
United Airlines
12 Aug
ONT07:00Ontario
16h 30m
1 stop
SNN07:30Shannon
25 Aug
SNN09:30Shannon
21h 05m
1 stop
ONT22:35Ontario
€716

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 30 May 2026.
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

Cheapest return flight
Fastest return journey

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Wed 14/10

09:39-10:15

2 stops16h 36m

Shannon

Wed 21/10

12:30-21:58

2 stops17h 28m

€704

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Sat 17/10

07:00-10:15

2 stops43h 15m

Shannon

Wed 21/10

12:30-22:26

2 stops17h 56m

€713

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Wed 12/8

07:00-07:30

1 stop16h 30m

Shannon

Tue 25/8

09:30-22:35

1 stop21h 05m

€716

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Sun 16/8

07:00-07:30

1 stop16h 30m

Shannon

Tue 1/9

09:30-22:35

1 stop21h 05m

€722

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Sun 16/8

07:00-07:30

1 stop16h 30m

Shannon

Thu 3/9

09:30-20:53

2 stops19h 23m

€726

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Wed 12/8

07:00-07:30

1 stop16h 30m

Shannon

Sat 29/8

09:30-22:35

1 stop21h 05m

€759

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Sun 16/8

07:00-07:30

1 stop16h 30m

Shannon

Sat 29/8

09:30-22:35

1 stop21h 05m

€765

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Thu 20/8

07:00-07:30

1 stop16h 30m

Shannon

Tue 1/9

09:30-22:35

1 stop21h 05m

€773

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Sat 15/8

07:00-07:30

1 stop16h 30m

Shannon

Mon 31/8

09:30-22:35

1 stop21h 05m

€816

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Thu 9/7

06:10-07:30

1 stop17h 20m

Shannon

Thu 16/7

09:30-22:51

1 stop21h 21m

€856

Flights are sorted by cheapest return flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
1
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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 is the most popular carrier 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

Fastest flight time

16h 30m

Direct flights

None
The fastest flight from Ontario to Shannon, Clare takes 16h 30m
There are no direct flights from Ontario to Shannon, Clare. There are no popular flight routes from Ontario to Shannon, Clare.
Search flight deals

Frequently asked questions about flying from Ontario to Shannon, Clare

  • 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 30m.

  • 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
Tipperary
Killaloe
Nenagh
Lahinch
Adare
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.

An easier way to manage your Shannon, Clare trip

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