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Cheap flights from Ontario to Shannon from €288

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
07:00 - 07:30
ONT
-
SNN
16h 30m
1 stop
United Airlines Logo
09:30 - 22:59
SNN
-
ONT
21h 29m
1 stop
€646United Airlines
Sun, 30 Aug - Fri, 11 Sep
United Airlines Logo
06:08 - 07:30
ONT
-
SNN
17h 22m
2 stops
United Airlines Logo
09:30 - 18:11
SNN
-
ONT
16h 41m
2 stops
€650United Airlines
Sun, 30 Aug - Thu, 10 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
€662United Airlines
Mon, 24 Aug - Mon, 31 Aug
Lufthansa Logo
07:00 - 07:30
ONT
-
SNN
16h 30m
1 stop
Lufthansa Logo
12:00 - 20:01
SNN
-
ONT
40h 01m
2 stops
€671Lufthansa
Thu, 13 Aug - Sat, 29 Aug
United Airlines Logo
06:10 - 07:30
ONT
-
SNN
17h 20m
1 stop
United Airlines Logo
09:30 - 20:42
SNN
-
ONT
19h 12m
2 stops
€676United Airlines
Sat, 25 Jul - Sat, 1 Aug
United Airlines Logo
06:08 - 07:30
ONT
-
SNN
17h 22m
2 stops
United Airlines Logo
09:30 - 20:01
SNN
-
ONT
18h 31m
2 stops
€678United Airlines
Thu, 13 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
€697United Airlines
Thu, 13 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
€701United Airlines
Mon, 17 Aug - Sat, 22 Aug
United Airlines Logo
06:00 - 10:15
ONT
-
SNN
20h 15m
2 stops
United Airlines Logo
09:30 - 22:35
SNN
-
ONT
21h 05m
1 stop
€704United Airlines
Mon, 17 Aug - Sat, 22 Aug
United Airlines Logo
19:13 - 10:15
ONT
-
SNN
55h 02m
3 stops
United Airlines Logo
09:30 - 20:01
SNN
-
ONT
18h 31m
2 stops
€710United Airlines
Thu, 13 Aug - Sat, 29 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
30 Aug
ONT07:00Ontario
16h 30m
1 stop
SNN07:30Shannon
11 Sept
SNN09:30Shannon
21h 29m
1 stop
ONT22:59Ontario
€646
United Airlines
30 Aug
ONT06:08Ontario
17h 22m
2 stops
SNN07:30Shannon
10 Sept
SNN09:30Shannon
16h 41m
2 stops
ONT18:11Ontario
€650
United Airlines
24 Aug
ONT07:00Ontario
16h 30m
1 stop
SNN07:30Shannon
31 Aug
SNN09:30Shannon
21h 05m
1 stop
ONT22:35Ontario
€662

Lufthansa flights from Ontario to Shannon, Clare

Our best Lufthansa deals on Ontario to Shannon, Clare flight tickets
Lufthansa
13 Aug
ONT07:00Ontario
16h 30m
1 stop
SNN07:30Shannon
29 Aug
SNN12:00Shannon
40h 01m
2 stops
ONT20:01Ontario
€671
Lufthansa
25 Jul
ONT06:10Ontario
17h 20m
1 stop
SNN07:30Shannon
1 Aug
SNN09:30Shannon
21h 21m
1 stop
ONT22:51Ontario
€717
Lufthansa
31 Jul
ONT06:10Ontario
17h 20m
1 stop
SNN07:30Shannon
9 Aug
SNN09:30Shannon
21h 21m
1 stop
ONT22:51Ontario
€980

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 10 July 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

Sun 30/8

07:00-07:30

1 stop16h 30m

Shannon

Fri 11/9

09:30-22:59

1 stop21h 29m

€646
Fastest return journey

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Sun 30/8

06:08-07:30

2 stops17h 22m

Shannon

Thu 10/9

09:30-18:11

2 stops16h 41m

€650

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Mon 24/8

07:00-07:30

1 stop16h 30m

Shannon

Mon 31/8

09:30-22:35

1 stop21h 05m

€662

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Thu 13/8

07:00-07:30

1 stop16h 30m

Shannon

Sat 29/8

12:00-20:01

2 stops40h 01m

€671

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Sat 25/7

06:10-07:30

1 stop17h 20m

Shannon

Sat 1/8

09:30-20:42

2 stops19h 12m

€676

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Thu 13/8

06:08-07:30

2 stops17h 22m

Shannon

Sat 29/8

09:30-20:01

2 stops18h 31m

€678

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Thu 13/8

07:00-07:30

1 stop16h 30m

Shannon

Sat 29/8

09:30-22:35

1 stop21h 05m

€697

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Mon 17/8

07:00-07:30

1 stop16h 30m

Shannon

Sat 22/8

09:30-22:35

1 stop21h 05m

€701

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Mon 17/8

06:00-10:15

2 stops20h 15m

Shannon

Sat 22/8

09:30-22:35

1 stop21h 05m

€704

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Thu 13/8

19:13-10:15

3 stops55h 02m

Shannon

Sat 29/8

09:30-20:01

2 stops18h 31m

€710

Flights are sorted by cheapest return flights first.

Showing 1-10 of 19 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

15h 22m

Direct flights

None
The fastest flight from Ontario to Shannon, Clare takes 15h 22m
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 15h 22m.

  • 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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