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.

How long is a flight from Ontario to Shannon?

A nonstop flight from Ontario to Shannon takes 00m, covering 5,072 miles.

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, round-trip prices on this route showed a wide range, from about $742 to $2,202. 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.

What car rental options are available at Shannon Airport (SNN)?

Shannon Airport (SNN) hosts 5 major car rental companies, with daily rates starting from around $4 for economy cars. Top options include: • Budget • Sixt • Europcar • Thrifty • Easirent

How much is a round-trip flight from Ontario to Shannon?

Round-trip flights from Ontario to Shannon typically range from $666 to $666. The lowest price found in the past 5 days was $742, on United Airlines.

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

United Airlines ($742) and British Airways ($999) are the cheapest airlines to fly round-trip from Ontario to Shannon according to KAYAK data over the last 5 days.

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

Flights via Chicago O'Hare Intl (ORD) offer the most affordable fares, with an average round-trip price of $630. Based on KAYAK data over the past 3 months.

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

Chicago O'Hare Intl (ORD) had the shortest average connection time for Ontario to Shannon layovers at 12h 31m over the past 3 months.

$347 CHEAP FLIGHTS from Ontario to Shannon (ONT - SNN)

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Cheapest round-trip

$742

Typical prices: $666-$666

United Airlines

Sat 10/13Sat 10/20

ONT - SNN • 2 stops

Nonstop 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.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Ontario to Shannon

Tue, Oct 13 - Tue, Oct 20

6:00 am - 10:15 amONT Ontario-SNN Shannon

20h 15m2 stops Houston George Bush Intcntl Newark

12:30 pm - 8:58 pmSNN Shannon-ONT Ontario

16h 28m2 stops Newark Denver Intl

$742United Airlines

Sun, Nov 8 - Sun, Nov 15

9:25 am - 11:30 amONT Ontario-SNN Shannon

18h 05m2 stops San Francisco London Heathrow

5:30 pm - 5:56 pmSNN Shannon-ONT Ontario

32h 26m2 stops London Heathrow San Francisco

$965Multiple Airlines

Mon, Nov 9 - Mon, Nov 16

2:22 pm - 4:45 pmONT Ontario-SNN Shannon

18h 23m2 stops Dallas/Fort Worth London Heathrow

8:05 pm - 6:42 pmSNN Shannon-ONT Ontario

30h 37m2 stops London Heathrow Dallas/Fort Worth

$999British Airways

Mon, Nov 9 - Sun, Nov 22

12:01 pm - 4:45 pmONT Ontario-SNN Shannon

20h 44m2 stops San Francisco London Heathrow

8:15 pm - 12:29 amSNN Shannon-ONT Ontario

36h 14m3 stops Manchester Amsterdam Schiphol San Francisco

$1,216Multiple Airlines

Sun, Nov 8 - Sun, Nov 15

6:25 am - 7:45 pmONT Ontario-SNN Shannon

29h 20m3 stops Denver Intl Reykjavik Keflavik Intl London Gatwick

11:15 am - 7:28 pmSNN Shannon-ONT Ontario

40h 13m3 stops Alicante Dublin San Francisco

$1,258Multiple Airlines

Sun, Nov 1 - Thu, Dec 10

2:22 pm - 4:45 pmONT Ontario-SNN Shannon

18h 23m2 stops Dallas/Fort Worth London Heathrow

7:50 am - 9:32 pmSNN Shannon-ONT Ontario

21h 42m2 stops London Heathrow Dallas/Fort Worth

$1,316British Airways

Wed, Oct 7 - Sun, Oct 11

8:03 am - 10:15 amONT Ontario-SNN Shannon

18h 12m2 stops San Francisco Newark

12:30 pm - 12:46 pmSNN Shannon-ONT Ontario

32h 16m2 stops Newark Denver Intl

$1,414United Airlines

Mon, Nov 9 - Mon, Nov 16

12:01 pm - 7:25 pmONT Ontario-SNN Shannon

23h 24m2 stops San Francisco London Heathrow

7:50 am - 9:40 amSNN Shannon-ONT Ontario

33h 50m3 stops London Heathrow San Francisco Las Vegas Harry Reid Intl

$1,468Multiple Airlines

Mon, Nov 9 - Mon, Nov 16

8:35 pm - 11:30 amONT Ontario-SNN Shannon

30h 55m3 stops Las Vegas Harry Reid Intl Chicago O'Hare Intl London Heathrow

7:50 am - 10:35 amSNN Shannon-ONT Ontario

34h 45m3 stops London Heathrow Chicago O'Hare Intl Denver Intl

$1,541Multiple Airlines

Thu, Oct 22 - Sat, Oct 31

12:01 pm - 8:35 pmONT Ontario-SNN Shannon

24h 34m3 stops San Francisco Vancouver Intl London Heathrow

7:50 am - 11:51 pmSNN Shannon-ONT Ontario

23h 01m3 stops London Heathrow Reykjavik Keflavik Intl Denver Intl

$1,705Multiple Airlines

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 with more confidence.

Prices

Airlines

Layovers

How much is a round-trip flight from Ontario to Shannon? This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Ontario to Shannon departing in october.

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Cheapest flight	$347

One-way flight 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 round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips 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.

How long is a flight from Ontario to Shannon?
A nonstop flight from Ontario to Shannon takes 00m, covering 5,072 miles.
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, round-trip prices on this route showed a wide range, from about $742 to $2,202. That means the highest observed fare was about 3x higher than the lowest one.
What car rental options are available at Shannon Airport (SNN)?
Shannon Airport (SNN) hosts 5 major car rental companies, with daily rates starting from around $4 for economy cars. Top options include:

• Budget
• Sixt
• Europcar
• Thrifty
• Easirent
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.
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.

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

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ONT - SNN

$347 Find Cheap Flights from Ontario to Shannon - Compare and Save

Everything you should know

Cheap Flights from Ontario to Shannon (ONT-SNN)

Recent round-trip 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 round-trip flight from Ontario to Shannon?

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

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

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

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 rental

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