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Cheap flights from Ontario to Shannon from €454

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 7/11. 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
15:19 - 19:25ONT-SNN
20h 06m2 stops
British Airways Logo
20:05 - 18:17SNN-ONT
30h 12m2 stops
€626British Airways
Find Deal
Tue, 2 Dec - Tue, 9 Dec
United Airlines Logo
07:00 - 10:15ONT-SNN
19h 15m2 stops
United Airlines Logo
12:30 - 21:21SNN-ONT
16h 51m2 stops
€657United Airlines
Find Deal
Thu, 16 Apr - Wed, 22 Apr
American Airlines Logo
15:08 - 15:45ONT-SNN
16h 37m2 stops
American Airlines Logo
07:50 - 09:57SNN-ONT
34h 07m2 stops
€660American Airlines
Find Deal
Fri, 7 Nov - Wed, 12 Nov
American Airlines Logo
15:09 - 15:45ONT-SNN
17h 36m2 stops
American Airlines Logo
07:40 - 23:43SNN-ONT
24h 03m2 stops
€663American Airlines
Find Deal
Fri, 27 Mar - Tue, 31 Mar
American Airlines Logo
12:46 - 15:45ONT-SNN
18h 59m2 stops
American Airlines Logo
07:50 - 22:29SNN-ONT
22h 39m2 stops
€673American Airlines
Find Deal
Fri, 7 Nov - Mon, 10 Nov
British Airways Logo
06:10 - 15:45ONT-SNN
25h 35m2 stops
British Airways Logo
20:05 - 21:59SNN-ONT
33h 54m2 stops
€675British Airways
Find Deal
Fri, 7 Nov - Wed, 12 Nov
British Airways Logo
10:47 - 16:45ONT-SNN
21h 58m2 stops
British Airways Logo
17:30 - 21:59SNN-ONT
36h 29m2 stops
€906British Airways
Find Deal
Sun, 9 Nov - Wed, 12 Nov
American Airlines Logo
12:46 - 11:30ONT-SNN
38h 44m2 stops
American Airlines Logo
07:50 - 22:29SNN-ONT
22h 39m2 stops
€912American Airlines
Find Deal
Sat, 8 Nov - Tue, 11 Nov
British Airways Logo
15:08 - 16:45ONT-SNN
17h 37m2 stops
British Airways Logo
20:05 - 18:21SNN-ONT
30h 16m2 stops
€939British Airways
Find Deal
Sat, 8 Nov - Tue, 11 Nov
British Airways Logo
16:47 - 19:25ONT-SNN
18h 38m2 stops
British Airways Logo
07:50 - 21:59SNN-ONT
22h 09m2 stops
€971British Airways
Find Deal
Sat, 8 Nov - Mon, 10 Nov

British Airways flights from Ontario to Shannon, Clare

Our best British Airways deals on Ontario to Shannon, Clare flight tickets
British Airways
2 Dec
ONT15:19Ontario
20h 06m
2 stops
SNN19:25Shannon
9 Dec
SNN20:05Shannon
30h 12m
2 stops
ONT18:17Ontario
€626
Find similar
British Airways
7 Nov
ONT06:10Ontario
25h 35m
2 stops
SNN15:45Shannon
12 Nov
SNN20:05Shannon
33h 54m
2 stops
ONT21:59Ontario
€675
Find similar
British Airways
9 Nov
ONT10:47Ontario
21h 58m
2 stops
SNN16:45Shannon
12 Nov
SNN17:30Shannon
36h 29m
2 stops
ONT21:59Ontario
€906
Find similar

American Airlines flights from Ontario to Shannon, Clare

Our best American Airlines deals on Ontario to Shannon, Clare flight tickets
American Airlines
7 Nov
ONT15:08Ontario
16h 37m
2 stops
SNN15:45Shannon
12 Nov
SNN07:50Shannon
34h 07m
2 stops
ONT09:57Ontario
€660
Find similar
American Airlines
27 Mar
ONT15:09Ontario
17h 36m
2 stops
SNN15:45Shannon
31 Mar
SNN07:40Shannon
24h 03m
2 stops
ONT23:43Ontario
€663
Find similar
American Airlines
7 Nov
ONT12:46Ontario
18h 59m
2 stops
SNN15:45Shannon
10 Nov
SNN07:50Shannon
22h 39m
2 stops
ONT22:29Ontario
€673
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 19 October 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 2/12

15:19-19:25

2 stops20h 06m

Shannon

Tue 9/12

20:05-18:17

2 stops30h 12m

€626

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Thu 16/4

07:00-10:15

2 stops19h 15m

Shannon

Wed 22/4

12:30-21:21

2 stops16h 51m

€657

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Fri 7/11

15:08-15:45

2 stops16h 37m

Shannon

Wed 12/11

07:50-09:57

2 stops34h 07m

€660

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Fri 27/3

15:09-15:45

2 stops17h 36m

Shannon

Tue 31/3

07:40-23:43

2 stops24h 03m

€663

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Fri 7/11

12:46-15:45

2 stops18h 59m

Shannon

Mon 10/11

07:50-22:29

2 stops22h 39m

€673

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Fri 7/11

06:10-15:45

2 stops25h 35m

Shannon

Wed 12/11

20:05-21:59

2 stops33h 54m

€675

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Sun 9/11

10:47-16:45

2 stops21h 58m

Shannon

Wed 12/11

17:30-21:59

2 stops36h 29m

€906

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Sat 8/11

12:46-11:30

2 stops38h 44m

Shannon

Tue 11/11

07:50-22:29

2 stops22h 39m

€912

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Sat 8/11

15:08-16:45

2 stops17h 37m

Shannon

Tue 11/11

20:05-18:21

2 stops30h 16m

€939

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Sat 8/11

16:47-19:25

2 stops18h 38m

Shannon

Mon 10/11

07:50-21:59

2 stops22h 09m

€971

Flights are sorted by cheapest return flights first.

Showing 1-10 of 11 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?

American 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

Direct flights

None
There are no direct flights from Ontario to Shannon, Clare. There are no popular flight routes from Ontario to Shannon, Clare.
Search flight deals

  • 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 15h 58m.

  • 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
Bunratty
Lahinch

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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