Houston to Shannon (IAH–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: Jul 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.
While no nonstop service exists between IAH and SNN, 1-stop connecting options are available.
Connection Landscape
On-Time Performance
Other ways to reach Shannon from Houston
| Metric | IAH→SNN | HOU→SNN |
|---|---|---|
| Distance from IAH | – | 24 mi |
| Nonstop airlines | – | 1 |
| Weekly flights | – | 1 |
| Flight time | 7h 18m | 7h 13m |
| Departure OTP | 78% | – |
Travel Essentials
IAH: CDT · SNN: IST
When it's 6:00 PM in Houston, it's 12:00 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.
IAH has no direct rail link to downtown Houston. The IAH Express bus runs from Houston Amtrak/Greyhound station via Park & Ride to Terminal C (60–90 min, $1.25 with METRO Q card). This is the only transit option; Houston's rail network does not reach the airport.Taxis from downtown Houston cost $50–70 and take 40–60 minutes. Ride-hails (Uber, Lyft) are typically $35–55. IAH sits 23 miles north of downtown on the North Freeway (I-45); traffic is heavy during morning and evening rush. Remote economy parking lots serve all terminals via shuttle.
IAH–SNN Quick Facts
Frequently Asked Questions
Flights from IAH to SNN
George Bush Intercontinental Airport (IAH) and Shannon Airport (SNN) are connected through multiple connecting hub airports.
IAH to SNN Flight Duration and Schedule
Nonstop flight time from IAH to SNN is about 7 hours 18 minutes gate to gate. The route covers a distance of 4,457 miles (7,173 km).
Connecting Options and Alternatives
1-stop connecting options are also available, commonly via Boston Logan, Chicago O'Hare and Newark Liberty. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Houston (HOU).