Which airports can I use when flying from Ontario to Shannon?

Flights from Ontario to Shannon usually depart from Ontario (ONT) and arrive at Shannon (SNN).

Which airports do connecting flights from Ontario to Shannon pass through?

Most connecting flights from Ontario to Shannon pass through Chicago O'Hare Intl (ORD), which handles 100% of one-stop traffic on this route. Other stopover airports each see under 5%.

How long is a flight from Ontario to Shannon?

A direct flight from Ontario to Shannon takes 0h 00m, covering 13,137 km.

Do I need a passport to fly from Ontario to Shannon?

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Have flight prices from Ontario to Shannon changed much recently?

Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about €671 to €1,711. That means the highest observed fare was about 3x higher than the lowest one.

What is the time difference between Ontario and Shannon?

Shannon is 8 hours ahead of Ontario (Irish Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

Which car hire options are available at Shannon Airport (SNN)?

Shannon Airport (SNN) hosts 5 major car hire companies, with daily rates starting from around €3 for economy cars. Top options include: • Budget • Sixt • Europcar • Thrifty • Easirent

What is the cheapest airline to fly from Ontario to Shannon?

United Airlines (€671) and American Airlines (€946) are the cheapest airlines to fly return from Ontario to Shannon according to KAYAK data over the last 5 days.

What is the cheapest stopover airport when flying from Ontario to Shannon?

Flights via Chicago O'Hare Intl (ORD) offer the most affordable fares, with an average return price of €546. Based on KAYAK data over the past 3 months.

When flying from Ontario to Shannon, which airport offers the shortest stopover?

Chicago O'Hare Intl (ORD) had the shortest average connection time for Ontario to Shannon stopovers at 751 minutes over the past 3 months.

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Cheapest return flight

€671

Typical prices: €578-€578

United Airlines

Wed 3/10Wed 10/10

ONT - SNN • 2 stops

Direct flights

Not available

There are currently no direct flights between Ontario and Shannon. You'll need to take a connecting flight to reach the destination.

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Flight Deals

Cheap Flights from Ontario to Shannon (ONT-SNN)

Discover the best prices for you by selecting your travel dates on KAYAK.

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One-way

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Recent return flight deals from Ontario to Shannon

Sat, 3 Oct - Sat, 10 Oct

06:00 - 10:15ONT Ontario-SNN Shannon

20h 15m2 stops Houston George Bush Intcntl Newark

12:30 - 21:59SNN Shannon-ONT Ontario

41h 29m2 stops Newark Houston George Bush Intcntl

€671United Airlines

Wed, 14 Oct - Wed, 21 Oct

05:00 - 10:15ONT Ontario-SNN Shannon

21h 15m2 stops Denver Intl Newark

12:30 - 21:59SNN Shannon-ONT Ontario

17h 29m2 stops Newark Houston George Bush Intcntl

€802United Airlines

Fri, 2 Oct - Tue, 6 Oct

14:22 - 15:50ONT Ontario-SNN Shannon

17h 28m2 stops Dallas/Fort Worth London Heathrow

07:30 - 23:52SNN Shannon-ONT Ontario

24h 22m2 stops London Heathrow Dallas/Fort Worth

€946American Airlines

Sat, 3 Oct - Sat, 10 Oct

22:39 - 06:00ONT Ontario-SNN Shannon

23h 21m1 stop New York John F Kennedy Intl

16:50 - 21:11SNN Shannon-ONT Ontario

36h 21m2 stops London Heathrow Dallas/Fort Worth

€1,048Multiple Airlines

Sat, 3 Oct - Sat, 10 Oct

22:39 - 06:00ONT Ontario-SNN Shannon

23h 21m1 stop New York John F Kennedy Intl

14:30 - 22:14SNN Shannon-ONT Ontario

15h 44m1 stop New York John F Kennedy Intl

€1,108Multiple Airlines

Fri, 25 Dec - Mon, 4 Jan

14:22 - 15:45ONT Ontario-SNN Shannon

17h 23m2 stops Dallas/Fort Worth London Heathrow

07:50 - 21:57SNN Shannon-ONT Ontario

22h 07m2 stops London Heathrow Phoenix Sky Harbor Intl

€1,224British Airways

Fri, 16 Oct - Sun, 18 Oct

06:00 - 10:15ONT Ontario-SNN Shannon

20h 15m2 stops Houston George Bush Intcntl Newark

12:30 - 21:59SNN Shannon-ONT Ontario

17h 29m2 stops Newark Houston George Bush Intcntl

€1,239United Airlines

Tue, 22 Dec - Thu, 31 Dec

13:25 - 16:45ONT Ontario-SNN Shannon

19h 20m2 stops Phoenix Sky Harbor Intl London Heathrow

07:50 - 21:57SNN Shannon-ONT Ontario

22h 07m2 stops London Heathrow Phoenix Sky Harbor Intl

€1,285British Airways

Fri, 25 Dec - Sun, 3 Jan

14:22 - 15:45ONT Ontario-SNN Shannon

17h 23m2 stops Dallas/Fort Worth London Heathrow

07:50 - 21:57SNN Shannon-ONT Ontario

22h 07m2 stops London Heathrow Phoenix Sky Harbor Intl

€1,711British Airways

Booking Insights

Price, demand, and travel trends for Ontario to Shannon flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights from Ontario to Shannon with more confidence.

Prices

Airlines

Stopovers

How much is a return flight from Ontario to Shannon?

Return flights from Ontario to Shannon start at €671. Prices are above average for this route right now, with typical return fares ranging from €578 to €578. The lowest price found in the past 5 days was €671 on United Airlines.

Find deals

Cheapest flight	€548

Flights from Ontario to Shannon

When to book flights from Ontario to Shannon

Are your dates flexible? Find out the best times to travel from Ontario to Shannon based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated return price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

Which airports can I use when flying from Ontario to Shannon?
Flights from Ontario to Shannon usually depart from Ontario (ONT) and arrive at Shannon (SNN).
Which airports do connecting flights from Ontario to Shannon pass through?
Most connecting flights from Ontario to Shannon pass through Chicago O'Hare Intl (ORD), which handles 100% of one-stop traffic on this route. Other stopover airports each see under 5%.
How long is a flight from Ontario to Shannon?
A direct flight from Ontario to Shannon takes 0h 00m, covering 13,137 km.
Do I need a passport to fly from Ontario to Shannon?
Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.
Have flight prices from Ontario to Shannon changed much recently?
Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about €671 to €1,711. That means the highest observed fare was about 3x higher than the lowest one.
What is the time difference between Ontario and Shannon?
Shannon is 8 hours ahead of Ontario (Irish Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.
Which car hire options are available at Shannon Airport (SNN)?
Shannon Airport (SNN) hosts 5 major car hire companies, with daily rates starting from around €3 for economy cars. Top options include:
• Budget
• Sixt
• Europcar
• Thrifty
• Easirent

If you're arriving late at night and need somewhere to stay, check out these hotels close to Shannon Airport.
- Park Inn by Radisson Shannon Airport
- Treacys Oakwood Hotel
- Carrygerry Country House

More options for your flight from Ontario to Shannon

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ONT - SNN

€548 Find Cheap Flights from Ontario to Shannon – Compare and Save

Everything you should know

Cheap Flights from Ontario to Shannon (ONT-SNN)

Recent return flight deals from Ontario to Shannon

Recent one-way flight deals from Ontario to Shannon

Recent last minute flight deals from Ontario to Shannon

Price, demand, and travel trends for Ontario to Shannon flights

How much is a return flight from Ontario to Shannon?

What is the cheapest airline to fly from Ontario to Shannon?

What is the cheapest stopover airport when flying from Ontario to Shannon?

When flying from Ontario to Shannon, which airport offers the shortest stopover?

Key details for Ontario to Shannon flights

Cheapest flight

When to book flights from Ontario to Shannon

Your Ontario to Shannon flight questions, answered

Your guide to booking Ontario to Shannon flights

More options for your flight from Ontario to Shannon

Complete your trip to Shannon with a hotel stay or car hire

Information on your arrival and departure airports

Cabin class types available on flights from Ontario to Shannon

Flights from domestic origins to Shannon

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