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Cheap flights from Ontario to Shannon from €407

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 17/8. 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
1 adult, Economy, 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
06:10 - 07:30
ONT
-
SNN
17h 20m
1 stop
United Airlines Logo
09:30 - 22:51
SNN
-
ONT
21h 21m
1 stop
€774United Airlines
Fri, 31 Jul - Fri, 7 Aug
United Airlines Logo
06:10 - 07:30
ONT
-
SNN
17h 20m
1 stop
United Airlines Logo
09:30 - 22:35
SNN
-
ONT
21h 05m
1 stop
€782United Airlines
Thu, 6 Aug - Thu, 13 Aug
United Airlines Logo
06:10 - 07:30
ONT
-
SNN
17h 20m
1 stop
United Airlines Logo
09:30 - 18:11
SNN
-
ONT
16h 41m
2 stops
€786United Airlines
Thu, 6 Aug - Thu, 13 Aug
United Airlines Logo
06:10 - 10:15
ONT
-
SNN
20h 05m
2 stops
United Airlines Logo
09:30 - 22:35
SNN
-
ONT
21h 05m
1 stop
€832United Airlines
Fri, 7 Aug - Fri, 14 Aug
United Airlines Logo
06:00 - 07:30
ONT
-
SNN
17h 30m
2 stops
United Airlines Logo
09:30 - 12:12
SNN
-
ONT
34h 42m
2 stops
€848United Airlines
Fri, 7 Aug - Fri, 14 Aug
United Airlines Logo
06:10 - 07:30
ONT
-
SNN
17h 20m
1 stop
United Airlines Logo
12:30 - 22:35
SNN
-
ONT
42h 05m
2 stops
€852United Airlines
Sat, 8 Aug - Sat, 15 Aug
British Airways Logo
14:27 - 16:10
ONT
-
SNN
17h 43m
2 stops
British Airways Logo
07:50 - 22:00
SNN
-
ONT
22h 10m
2 stops
€881British Airways
Tue, 25 Aug - Tue, 15 Dec
United Airlines Logo
05:45 - 07:30
ONT
-
SNN
17h 45m
2 stops
United Airlines Logo
09:30 - 20:42
SNN
-
ONT
19h 12m
2 stops
€897United Airlines
Fri, 31 Jul - Fri, 7 Aug
United Airlines Logo
06:00 - 07:30
ONT
-
SNN
17h 30m
2 stops
United Airlines Logo
12:30 - 22:51
SNN
-
ONT
18h 21m
2 stops
€1,014United Airlines
Tue, 14 Jul - Fri, 31 Jul
United Airlines Logo
06:10 - 07:30
ONT
-
SNN
17h 20m
1 stop
United Airlines Logo
09:30 - 22:35
SNN
-
ONT
21h 05m
1 stop
€1,019United Airlines
Sat, 8 Aug - Sat, 15 Aug

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United Airlines flights from Ontario to Shannon, Clare

Our best United Airlines deals on Ontario to Shannon, Clare flight tickets
United Airlines
31 Jul
ONT06:10Ontario
17h 20m
1 stop
SNN07:30Shannon
7 Aug
SNN09:30Shannon
21h 21m
1 stop
ONT22:51Ontario
€774
United Airlines
6 Aug
ONT06:10Ontario
17h 20m
1 stop
SNN07:30Shannon
13 Aug
SNN09:30Shannon
21h 05m
1 stop
ONT22:35Ontario
€782
United Airlines
6 Aug
ONT06:10Ontario
17h 20m
1 stop
SNN07:30Shannon
13 Aug
SNN09:30Shannon
16h 41m
2 stops
ONT18:11Ontario
€786

British Airways flights from Ontario to Shannon, Clare

Our best British Airways deals on Ontario to Shannon, Clare flight tickets
British Airways
25 Aug
ONT14:27Ontario
17h 43m
2 stops
SNN16:10Shannon
15 Dec
SNN07:50Shannon
22h 10m
2 stops
ONT22:00Ontario
€881
British Airways
1 Aug
ONT07:00Ontario
20h 20m
2 stops
SNN11:20Shannon
8 Aug
SNN07:30Shannon
18h 45m
2 stops
ONT18:15Ontario
€1,047
British Airways
2 Aug
ONT14:15Ontario
17h 55m
2 stops
SNN16:10Shannon
9 Aug
SNN07:30Shannon
19h 45m
2 stops
ONT19:15Ontario
€1,383

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 27 June 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

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Fri 31/7

06:10-07:30

1 stop17h 20m

Shannon

Fri 7/8

09:30-22:51

1 stop21h 21m

€774

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Thu 6/8

06:10-07:30

1 stop17h 20m

Shannon

Thu 13/8

09:30-22:35

1 stop21h 05m

€782
Fastest return journey

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Thu 6/8

06:10-07:30

1 stop17h 20m

Shannon

Thu 13/8

09:30-18:11

2 stops16h 41m

€786

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Fri 7/8

06:10-10:15

2 stops20h 05m

Shannon

Fri 14/8

09:30-22:35

1 stop21h 05m

€832

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Fri 7/8

06:00-07:30

2 stops17h 30m

Shannon

Fri 14/8

09:30-12:12

2 stops34h 42m

€848

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Sat 8/8

06:10-07:30

1 stop17h 20m

Shannon

Sat 15/8

12:30-22:35

2 stops42h 05m

€852

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Tue 25/8

14:27-16:10

2 stops17h 43m

Shannon

Tue 15/12

07:50-22:00

2 stops22h 10m

€881

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Fri 31/7

05:45-07:30

2 stops17h 45m

Shannon

Fri 7/8

09:30-20:42

2 stops19h 12m

€896

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Tue 14/7

06:00-07:30

2 stops17h 30m

Shannon

Fri 31/7

12:30-22:51

2 stops18h 21m

€1,014

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Sat 8/8

06:10-07:30

1 stop17h 20m

Shannon

Sat 15/8

09:30-22:35

1 stop21h 05m

€1,019

Flights are sorted by cheapest return flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
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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
Nenagh
Killaloe
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.

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