Ontario to Shannon (ONT–SNN) — Airlines, Schedules & Connections
No flights match your filters.
No scheduled airline flights on this route — it's flown by charter / private operators (). No nonstop flights on this route. connecting options below.
Last scheduled nonstop: May 2026.
Most recently operated nonstop flights — the month shown is when each was last scheduled. Most destinations remain reachable with a connection.
No discontinued nonstop flights on record for this route.
ONT–SNN had nonstop service, last on the schedule in May 2026. There's no nonstop on it right now, so today you'd fly it with one stop. The connecting options below are sorted by layover. Nonstop, it's about 5,076 miles in 8h 58m.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| CMB CMB | 0 | – | – | – | – |
Connection Landscape
On-Time Performance
Other ways to reach Shannon from Ontario
| Metric | ONT→SNN | LAX→SNN |
|---|---|---|
| Distance from ONT | – | 47 mi |
| Nonstop airlines | – | 5 |
| Weekly flights | – | 1 |
| Flight time | 8h 58m | 9h 26m |
| Departure OTP | 100% | – |
Travel Essentials
ONT: PDT · SNN: IST
When it's 6:00 PM in Ontario, it's 2:00 AM (next day) in Shannon.
US passport holders enter Ireland visa-free for up to 90 days. No advance application is needed. Ireland is an EU member but not in the Schengen area, so time spent in Ireland does not count against any Schengen 90-day limit. Passport must be valid for the duration of the stay (Ireland has no minimum validity requirement beyond the trip dates). At Dublin Airport (DUB), Shannon (SNN), or Cork (ORK), immigration stamps your passport and may ask about your accommodation and return plans.
Ireland is part of the Common Travel Area (CTA) with the United Kingdom, Jersey, Guernsey, and the Isle of Man. There are no routine immigration checks on travel between Ireland and the UK, but you still need valid identification. Northern Ireland (part of the UK) is freely accessible from the Republic with no border controls. The Wild Atlantic Way (2,500km coastal driving route) and the Ring of Kerry are among Europe's best road trips.
Direct flights from New York JFK to Dublin run about 6 hours 30 minutes on Aer Lingus, Delta, and United. Boston (BOS) to Dublin runs about 5 hours 30 minutes. Direct service also operates from Chicago, Newark, Philadelphia, Los Angeles, San Francisco, and Washington Dulles. Ireland uses the euro, trading at roughly $1.08 per EUR 1. The Leap Card works on Dublin Bus, Luas tram, and DART commuter rail at EUR 1.70 to EUR 3.30 per trip. The Airlink Express bus 747 runs from Dublin Airport to the city center in 30 minutes for EUR 8 ($8.65). Pub culture is part of daily life: a pint costs EUR 5.50 to EUR 7.50 ($5.95 to $8.10) depending on location.
ONT–SNN Quick Facts
Frequently Asked Questions
Flights from ONT to SNN
Ontario International Airport (ONT) and Shannon Airport (SNN) had nonstop service, last on the schedule in May 2026. The nonstop is dormant right now, so the way to fly it today is one connection, and the options above are sorted by layover.
ONT to SNN Flight Duration and Schedule
Nonstop flight time from ONT to SNN is about 8 hours 58 minutes gate to gate. The route covers a distance of 5,076 miles (8,168 km).
Connecting Options and Alternatives
1-stop connecting options are also available, commonly via Chicago O'Hare and John F. Kennedy. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Los Angeles (LAX).